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-rw-r--r--xorg-server/dix/devices.c134
-rw-r--r--xorg-server/dix/dispatch.c10
-rw-r--r--xorg-server/dix/eventconvert.c39
-rw-r--r--xorg-server/dix/events.c11677
-rw-r--r--xorg-server/dix/getevents.c2677
-rw-r--r--xorg-server/dix/inpututils.c1116
-rw-r--r--xorg-server/dix/main.c3
-rw-r--r--xorg-server/dix/ptrveloc.c42
-rw-r--r--xorg-server/dix/region.c234
9 files changed, 7909 insertions, 8023 deletions
diff --git a/xorg-server/dix/devices.c b/xorg-server/dix/devices.c
index 1c2cc9807..03a4bee97 100644
--- a/xorg-server/dix/devices.c
+++ b/xorg-server/dix/devices.c
@@ -450,7 +450,7 @@ DisableDevice(DeviceIntPtr dev, BOOL sendevent)
{
for (other = inputInfo.devices; other; other = other->next)
{
- if (other->u.master == dev)
+ if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev)
{
AttachDevice(NULL, other, NULL);
flags[other->id] |= XISlaveDetached;
@@ -461,8 +461,8 @@ DisableDevice(DeviceIntPtr dev, BOOL sendevent)
{
for (other = inputInfo.devices; other; other = other->next)
{
- if (IsMaster(other) && other->u.lastSlave == dev)
- other->u.lastSlave = NULL;
+ if (IsMaster(other) && other->lastSlave == dev)
+ other->lastSlave = NULL;
}
}
@@ -991,8 +991,8 @@ CloseDownDevices(void)
*/
for (dev = inputInfo.devices; dev; dev = dev->next)
{
- if (!IsMaster(dev) && dev->u.master)
- dev->u.master = NULL;
+ if (!IsMaster(dev) && !IsFloating(dev))
+ dev->master = NULL;
/* Initialise the sprite and paired members of all devices
to avoid crashes in CloseDevice later */
dev->spriteInfo->sprite=NULL;
@@ -1289,10 +1289,11 @@ InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels,
/* global list of acceleration schemes */
ValuatorAccelerationRec pointerAccelerationScheme[] = {
- {PtrAccelNoOp, NULL, NULL, NULL},
- {PtrAccelPredictable, acceleratePointerPredictable, NULL, AccelerationDefaultCleanup},
- {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL},
- {-1, NULL, NULL, NULL} /* terminator */
+ {PtrAccelNoOp, NULL, NULL, NULL, NULL},
+ {PtrAccelPredictable, acceleratePointerPredictable, NULL,
+ InitPredictableAccelerationScheme, AccelerationDefaultCleanup},
+ {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL},
+ {-1, NULL, NULL, NULL, NULL} /* terminator */
};
/**
@@ -1304,59 +1305,37 @@ InitPointerAccelerationScheme(DeviceIntPtr dev,
int scheme)
{
int x, i = -1;
- void* data = NULL;
ValuatorClassPtr val;
val = dev->valuator;
- if(!val)
- return FALSE;
+ if (!val)
+ return FALSE;
- if(IsMaster(dev) && scheme != PtrAccelNoOp)
+ if (IsMaster(dev) && scheme != PtrAccelNoOp)
return FALSE;
- for(x = 0; pointerAccelerationScheme[x].number >= 0; x++) {
+ for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) {
if(pointerAccelerationScheme[x].number == scheme){
i = x;
break;
}
}
- if(-1 == i)
+ if (-1 == i)
return FALSE;
if (val->accelScheme.AccelCleanupProc)
val->accelScheme.AccelCleanupProc(dev);
- /* init scheme-specific data */
- switch(scheme){
- case PtrAccelPredictable:
- {
- DeviceVelocityPtr s;
- s = malloc(sizeof(DeviceVelocityRec));
- if(!s)
- return FALSE;
- InitVelocityData(s);
- data = s;
- break;
+ if (pointerAccelerationScheme[i].AccelInitProc) {
+ if (!pointerAccelerationScheme[i].AccelInitProc(dev,
+ &pointerAccelerationScheme[i])) {
+ return FALSE;
}
- default:
- break;
+ } else {
+ val->accelScheme = pointerAccelerationScheme[i];
}
-
- val->accelScheme = pointerAccelerationScheme[i];
- val->accelScheme.accelData = data;
-
- /* post-init scheme */
- switch(scheme){
- case PtrAccelPredictable:
- InitializePredictableAccelerationProperties(dev);
- break;
-
- default:
- break;
- }
-
return TRUE;
}
@@ -1674,7 +1653,7 @@ ProcChangeKeyboardMapping(ClientPtr client)
stuff->keyCodes, NULL, client);
for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
- if (IsMaster(tmp) || tmp->u.master != pDev)
+ if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev)
continue;
if (!tmp->key)
continue;
@@ -2337,7 +2316,7 @@ RecalculateMasterButtons(DeviceIntPtr slave)
for (dev = inputInfo.devices; dev; dev = dev->next)
{
if (IsMaster(dev) ||
- dev->u.master != master ||
+ GetMaster(dev, MASTER_ATTACHED) != master ||
!dev->button)
continue;
@@ -2386,6 +2365,46 @@ RecalculateMasterButtons(DeviceIntPtr slave)
}
/**
+ * Generate release events for all keys/button currently down on this
+ * device.
+ */
+static void
+ReleaseButtonsAndKeys(DeviceIntPtr dev)
+{
+ EventListPtr eventlist = InitEventList(GetMaximumEventsNum());
+ ButtonClassPtr b = dev->button;
+ KeyClassPtr k = dev->key;
+ int i, j, nevents;
+
+ if (!eventlist) /* no release events for you */
+ return;
+
+ /* Release all buttons */
+ for (i = 0; b && i < b->numButtons; i++)
+ {
+ if (BitIsOn(b->down, i))
+ {
+ nevents = GetPointerEvents(eventlist, dev, ButtonRelease, i, 0, NULL);
+ for (j = 0; j < nevents; j++)
+ mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);
+ }
+ }
+
+ /* Release all keys */
+ for (i = 0; k && i < MAP_LENGTH; i++)
+ {
+ if (BitIsOn(k->down, i))
+ {
+ nevents = GetKeyboardEvents(eventlist, dev, KeyRelease, i);
+ for (j = 0; j < nevents; j++)
+ mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);
+ }
+ }
+
+ FreeEventList(eventlist, GetMaximumEventsNum());
+}
+
+/**
* Attach device 'dev' to device 'master'.
* Client is set to the client that issued the request, or NULL if it comes
* from some internal automatic pairing.
@@ -2407,19 +2426,21 @@ AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
return BadDevice;
/* set from floating to floating? */
- if (!dev->u.master && !master && dev->enabled)
+ if (IsFloating(dev) && !master && dev->enabled)
return Success;
/* free the existing sprite. */
- if (!dev->u.master && dev->spriteInfo->paired == dev)
+ if (IsFloating(dev) && dev->spriteInfo->paired == dev)
{
screen = miPointerGetScreen(dev);
screen->DeviceCursorCleanup(dev, screen);
free(dev->spriteInfo->sprite);
}
- oldmaster = dev->u.master;
- dev->u.master = master;
+ ReleaseButtonsAndKeys(dev);
+
+ oldmaster = GetMaster(dev, MASTER_ATTACHED);
+ dev->master = master;
/* If device is set to floating, we need to create a sprite for it,
* otherwise things go bad. However, we don't want to render the cursor,
@@ -2469,8 +2490,8 @@ AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
DeviceIntPtr
GetPairedDevice(DeviceIntPtr dev)
{
- if (!IsMaster(dev) && dev->u.master)
- dev = dev->u.master;
+ if (!IsMaster(dev) && !IsFloating(dev))
+ dev = GetMaster(dev, MASTER_ATTACHED);
return dev->spriteInfo->paired;
}
@@ -2483,7 +2504,10 @@ GetPairedDevice(DeviceIntPtr dev)
* returned master is either the device itself or the paired master device.
* If dev is a floating slave device, NULL is returned.
*
- * @type ::MASTER_KEYBOARD or ::MASTER_POINTER
+ * @type ::MASTER_KEYBOARD or ::MASTER_POINTER or ::MASTER_ATTACHED
+ * @return The requested master device. In the case of MASTER_ATTACHED, this
+ * is the directly attached master to this device, regardless of the type.
+ * Otherwise, it is either the master keyboard or pointer for this device.
*/
DeviceIntPtr
GetMaster(DeviceIntPtr dev, int which)
@@ -2493,9 +2517,9 @@ GetMaster(DeviceIntPtr dev, int which)
if (IsMaster(dev))
master = dev;
else
- master = dev->u.master;
+ master = dev->master;
- if (master)
+ if (master && which != MASTER_ATTACHED)
{
if (which == MASTER_KEYBOARD)
{
@@ -2548,7 +2572,7 @@ AllocDevicePair (ClientPtr client, char* name,
pointer->coreEvents = TRUE;
pointer->spriteInfo->spriteOwner = TRUE;
- pointer->u.lastSlave = NULL;
+ pointer->lastSlave = NULL;
pointer->last.slave = NULL;
pointer->type = (master) ? MASTER_POINTER : SLAVE;
@@ -2574,7 +2598,7 @@ AllocDevicePair (ClientPtr client, char* name,
keyboard->coreEvents = TRUE;
keyboard->spriteInfo->spriteOwner = FALSE;
- keyboard->u.lastSlave = NULL;
+ keyboard->lastSlave = NULL;
keyboard->last.slave = NULL;
keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE;
diff --git a/xorg-server/dix/dispatch.c b/xorg-server/dix/dispatch.c
index 87b27dfa6..5e1c858b6 100644
--- a/xorg-server/dix/dispatch.c
+++ b/xorg-server/dix/dispatch.c
@@ -134,6 +134,7 @@ int ProcInitialConnection();
#include "inputstr.h"
#include "xkbsrv.h"
#include "site.h"
+#include "client.h"
#ifdef XSERVER_DTRACE
#include "registry.h"
@@ -3500,6 +3501,9 @@ CloseDownClient(ClientPtr client)
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
FreeClientResources(client);
+ /* Disable client ID tracking. This must be done after
+ * ClientStateCallback. */
+ ReleaseClientIds(client);
#ifdef XSERVER_DTRACE
XSERVER_CLIENT_DISCONNECT(client->index);
#endif
@@ -3537,6 +3541,7 @@ void InitClient(ClientPtr client, int i, pointer ospriv)
client->smart_start_tick = SmartScheduleTime;
client->smart_stop_tick = SmartScheduleTime;
client->smart_check_tick = SmartScheduleTime;
+ client->clientIds = NULL;
}
/************************
@@ -3576,6 +3581,11 @@ ClientPtr NextAvailableClient(pointer ospriv)
currentMaxClients++;
while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID])
nextFreeClientID++;
+
+ /* Enable client ID tracking. This must be done before
+ * ClientStateCallback. */
+ ReserveClientIds(client);
+
if (ClientStateCallback)
{
NewClientInfoRec clientinfo;
diff --git a/xorg-server/dix/eventconvert.c b/xorg-server/dix/eventconvert.c
index 1009550c3..93715f35d 100644
--- a/xorg-server/dix/eventconvert.c
+++ b/xorg-server/dix/eventconvert.c
@@ -97,8 +97,12 @@ EventIsKeyRepeat(xEvent *event)
* @return Success or the matching error code.
*/
int
-EventToCore(InternalEvent *event, xEvent *core)
+EventToCore(InternalEvent *event, xEvent **core_out, int *count_out)
{
+ xEvent *core = NULL;
+ int count = 0;
+ int ret = BadImplementation;
+
switch(event->any.type)
{
case ET_Motion:
@@ -108,7 +112,10 @@ EventToCore(InternalEvent *event, xEvent *core)
* present */
if (!BitIsOn(e->valuators.mask, 0) &&
!BitIsOn(e->valuators.mask, 1))
- return BadMatch;
+ {
+ ret = BadMatch;
+ goto out;
+ }
}
/* fallthrough */
case ET_ButtonPress:
@@ -119,9 +126,15 @@ EventToCore(InternalEvent *event, xEvent *core)
DeviceEvent *e = &event->device_event;
if (e->detail.key > 0xFF)
- return BadMatch;
-
- memset(core, 0, sizeof(xEvent));
+ {
+ ret = BadMatch;
+ goto out;
+ }
+
+ core = calloc(1, sizeof(*core));
+ if (!core)
+ return BadAlloc;
+ count = 1;
core->u.u.type = e->type - ET_KeyPress + KeyPress;
core->u.u.detail = e->detail.key & 0xFF;
core->u.keyButtonPointer.time = e->time;
@@ -129,7 +142,10 @@ EventToCore(InternalEvent *event, xEvent *core)
core->u.keyButtonPointer.rootY = e->root_y;
core->u.keyButtonPointer.state = e->corestate;
core->u.keyButtonPointer.root = e->root;
- EventSetKeyRepeatFlag(core, (e->type == ET_KeyPress && e->key_repeat));
+ EventSetKeyRepeatFlag(core,
+ (e->type == ET_KeyPress &&
+ e->key_repeat));
+ ret = Success;
}
break;
case ET_ProximityIn:
@@ -139,13 +155,18 @@ EventToCore(InternalEvent *event, xEvent *core)
case ET_RawButtonPress:
case ET_RawButtonRelease:
case ET_RawMotion:
- return BadMatch;
+ ret = BadMatch;
+ goto out;
default:
/* XXX: */
ErrorF("[dix] EventToCore: Not implemented yet \n");
- return BadImplementation;
+ ret = BadImplementation;
}
- return Success;
+
+out:
+ *core_out = core;
+ *count_out = count;
+ return ret;
}
/**
diff --git a/xorg-server/dix/events.c b/xorg-server/dix/events.c
index 47f35ac93..0eda63a51 100644
--- a/xorg-server/dix/events.c
+++ b/xorg-server/dix/events.c
@@ -1,5819 +1,5858 @@
-/************************************************************
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-********************************************************/
-
-/* The panoramix components contained the following notice */
-/*****************************************************************
-
-Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-
-******************************************************************/
-
-/*
- * Copyright (c) 2003-2005, Oracle and/or its affiliates. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/** @file events.c
- * This file handles event delivery and a big part of the server-side protocol
- * handling (the parts for input devices).
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "misc.h"
-#include "resource.h"
-#include <X11/Xproto.h>
-#include "windowstr.h"
-#include "inputstr.h"
-#include "scrnintstr.h"
-#include "cursorstr.h"
-
-#include "dixstruct.h"
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-#include "globals.h"
-
-#include <X11/extensions/XKBproto.h>
-#include "xkbsrv.h"
-#include "xace.h"
-
-#ifdef XSERVER_DTRACE
-#include <sys/types.h>
-typedef const char *string;
-#include "Xserver-dtrace.h"
-#endif
-
-#include <X11/extensions/XIproto.h>
-#include <X11/extensions/XI2proto.h>
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XI2.h>
-#include "exglobals.h"
-#include "exevents.h"
-#include "exglobals.h"
-#include "extnsionst.h"
-
-#include "dixevents.h"
-#include "dixgrabs.h"
-#include "dispatch.h"
-
-#include <X11/extensions/ge.h>
-#include "geext.h"
-#include "geint.h"
-
-#include "eventstr.h"
-#include "enterleave.h"
-#include "eventconvert.h"
-
-/* Extension events type numbering starts at EXTENSION_EVENT_BASE. */
-#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */
-#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask )
-#define AllButtonsMask ( \
- Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
-#define MotionMask ( \
- PointerMotionMask | Button1MotionMask | \
- Button2MotionMask | Button3MotionMask | Button4MotionMask | \
- Button5MotionMask | ButtonMotionMask )
-#define PropagateMask ( \
- KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
- MotionMask )
-#define PointerGrabMask ( \
- ButtonPressMask | ButtonReleaseMask | \
- EnterWindowMask | LeaveWindowMask | \
- PointerMotionHintMask | KeymapStateMask | \
- MotionMask )
-#define AllModifiersMask ( \
- ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
- Mod3Mask | Mod4Mask | Mod5Mask )
-#define LastEventMask OwnerGrabButtonMask
-#define AllEventMasks (LastEventMask|(LastEventMask-1))
-
-
-#define CORE_EVENT(event) \
- (!((event)->u.u.type & EXTENSION_EVENT_BASE) && \
- (event)->u.u.type != GenericEvent)
-#define XI2_EVENT(event) \
- (((event)->u.u.type == GenericEvent) && \
- ((xGenericEvent*)(event))->extension == IReqCode)
-
-/**
- * Used to indicate a implicit passive grab created by a ButtonPress event.
- * See DeliverEventsToWindow().
- */
-#define ImplicitGrabMask (1 << 7)
-
-#define WID(w) ((w) ? ((w)->drawable.id) : 0)
-
-#define XE_KBPTR (xE->u.keyButtonPointer)
-
-
-CallbackListPtr EventCallback;
-CallbackListPtr DeviceEventCallback;
-
-#define DNPMCOUNT 8
-
-Mask DontPropagateMasks[DNPMCOUNT];
-static int DontPropagateRefCnts[DNPMCOUNT];
-
-static void CheckVirtualMotion( DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin);
-static void CheckPhysLimits(DeviceIntPtr pDev,
- CursorPtr cursor,
- Bool generateEvents,
- Bool confineToScreen,
- ScreenPtr pScreen);
-
-/** Key repeat hack. Do not use but in TryClientEvents */
-extern BOOL EventIsKeyRepeat(xEvent *event);
-
-/**
- * Main input device struct.
- * inputInfo.pointer
- * is the core pointer. Referred to as "virtual core pointer", "VCP",
- * "core pointer" or inputInfo.pointer. The VCP is the first master
- * pointer device and cannot be deleted.
- *
- * inputInfo.keyboard
- * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard").
- * See inputInfo.pointer.
- *
- * inputInfo.devices
- * linked list containing all devices including VCP and VCK.
- *
- * inputInfo.off_devices
- * Devices that have not been initialized and are thus turned off.
- *
- * inputInfo.numDevices
- * Total number of devices.
- *
- * inputInfo.all_devices
- * Virtual device used for XIAllDevices passive grabs. This device is
- * not part of the inputInfo.devices list and mostly unset except for
- * the deviceid. It exists because passivegrabs need a valid device
- * reference.
- *
- * inputInfo.all_master_devices
- * Virtual device used for XIAllMasterDevices passive grabs. This device
- * is not part of the inputInfo.devices list and mostly unset except for
- * the deviceid. It exists because passivegrabs need a valid device
- * reference.
- */
-InputInfo inputInfo;
-
-EventSyncInfoRec syncEvents;
-
-/**
- * The root window the given device is currently on.
- */
-#define RootWindow(sprite) sprite->spriteTrace[0]
-
-static xEvent* swapEvent = NULL;
-static int swapEventLen = 0;
-
-void
-NotImplemented(xEvent *from, xEvent *to)
-{
- FatalError("Not implemented");
-}
-
-/**
- * Convert the given event type from an XI event to a core event.
- * @param[in] The XI 1.x event type.
- * @return The matching core event type or 0 if there is none.
- */
-int
-XItoCoreType(int xitype)
-{
- int coretype = 0;
- if (xitype == DeviceMotionNotify)
- coretype = MotionNotify;
- else if (xitype == DeviceButtonPress)
- coretype = ButtonPress;
- else if (xitype == DeviceButtonRelease)
- coretype = ButtonRelease;
- else if (xitype == DeviceKeyPress)
- coretype = KeyPress;
- else if (xitype == DeviceKeyRelease)
- coretype = KeyRelease;
-
- return coretype;
-}
-
-/**
- * @return true if the device owns a cursor, false if device shares a cursor
- * sprite with another device.
- */
-Bool
-DevHasCursor(DeviceIntPtr pDev)
-{
- return pDev->spriteInfo->spriteOwner;
-}
-
-/*
- * @return true if a device is a pointer, check is the same as used by XI to
- * fill the 'use' field.
- */
-Bool
-IsPointerDevice(DeviceIntPtr dev)
-{
- return (dev->type == MASTER_POINTER) ||
- (dev->valuator && dev->button) ||
- (dev->valuator && !dev->key);
-}
-
-/*
- * @return true if a device is a keyboard, check is the same as used by XI to
- * fill the 'use' field.
- *
- * Some pointer devices have keys as well (e.g. multimedia keys). Try to not
- * count them as keyboard devices.
- */
-Bool
-IsKeyboardDevice(DeviceIntPtr dev)
-{
- return (dev->type == MASTER_KEYBOARD) ||
- ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev));
-}
-
-Bool
-IsMaster(DeviceIntPtr dev)
-{
- return dev->type == MASTER_POINTER || dev->type == MASTER_KEYBOARD;
-}
-
-/**
- * Max event opcode.
- */
-extern int lastEvent;
-
-extern int DeviceMotionNotify;
-
-#define CantBeFiltered NoEventMask
-/**
- * Event masks for each event type.
- *
- * One set of filters for each device, but only the first layer
- * is initialized. The rest is memcpy'd in InitEvents.
- *
- * Filters are used whether a given event may be delivered to a client,
- * usually in the form of if (window-event-mask & filter); then deliver event.
- *
- * One notable filter is for PointerMotion/DevicePointerMotion events. Each
- * time a button is pressed, the filter is modified to also contain the
- * matching ButtonXMotion mask.
- */
-static Mask filters[MAXDEVICES][128] = {
-{
- NoSuchEvent, /* 0 */
- NoSuchEvent, /* 1 */
- KeyPressMask, /* KeyPress */
- KeyReleaseMask, /* KeyRelease */
- ButtonPressMask, /* ButtonPress */
- ButtonReleaseMask, /* ButtonRelease */
- PointerMotionMask, /* MotionNotify (initial state) */
- EnterWindowMask, /* EnterNotify */
- LeaveWindowMask, /* LeaveNotify */
- FocusChangeMask, /* FocusIn */
- FocusChangeMask, /* FocusOut */
- KeymapStateMask, /* KeymapNotify */
- ExposureMask, /* Expose */
- CantBeFiltered, /* GraphicsExpose */
- CantBeFiltered, /* NoExpose */
- VisibilityChangeMask, /* VisibilityNotify */
- SubstructureNotifyMask, /* CreateNotify */
- StructureAndSubMask, /* DestroyNotify */
- StructureAndSubMask, /* UnmapNotify */
- StructureAndSubMask, /* MapNotify */
- SubstructureRedirectMask, /* MapRequest */
- StructureAndSubMask, /* ReparentNotify */
- StructureAndSubMask, /* ConfigureNotify */
- SubstructureRedirectMask, /* ConfigureRequest */
- StructureAndSubMask, /* GravityNotify */
- ResizeRedirectMask, /* ResizeRequest */
- StructureAndSubMask, /* CirculateNotify */
- SubstructureRedirectMask, /* CirculateRequest */
- PropertyChangeMask, /* PropertyNotify */
- CantBeFiltered, /* SelectionClear */
- CantBeFiltered, /* SelectionRequest */
- CantBeFiltered, /* SelectionNotify */
- ColormapChangeMask, /* ColormapNotify */
- CantBeFiltered, /* ClientMessage */
- CantBeFiltered /* MappingNotify */
-}};
-
-/**
- * For the given event, return the matching event filter. This filter may then
- * be AND'ed with the selected event mask.
- *
- * For XI2 events, the returned filter is simply the byte containing the event
- * mask we're interested in. E.g. for a mask of (1 << 13), this would be
- * byte[1].
- *
- * @param[in] dev The device the event belongs to, may be NULL.
- * @param[in] event The event to get the filter for. Only the type of the
- * event matters, or the extension + evtype for GenericEvents.
- * @return The filter mask for the given event.
- *
- * @see GetEventMask
- */
-Mask
-GetEventFilter(DeviceIntPtr dev, xEvent *event)
-{
- if (event->u.u.type != GenericEvent)
- return filters[dev ? dev->id : 0][event->u.u.type];
- else if (XI2_EVENT(event))
- return (1 << (((xXIDeviceEvent*)event)->evtype % 8));
- ErrorF("[dix] Unknown device type %d. No filter\n", event->u.u.type);
- return 0;
-}
-
-/**
- * Return the windows complete XI2 mask for the given XI2 event type.
- */
-Mask
-GetWindowXI2Mask(DeviceIntPtr dev, WindowPtr win, xEvent* ev)
-{
- OtherInputMasks *inputMasks = wOtherInputMasks(win);
- int filter;
- int evtype;
-
- if (!inputMasks || !XI2_EVENT(ev))
- return 0;
-
- evtype = ((xGenericEvent*)ev)->evtype;
- filter = GetEventFilter(dev, ev);
-
- return ((inputMasks->xi2mask[dev->id][evtype/8] & filter) ||
- inputMasks->xi2mask[XIAllDevices][evtype/8] ||
- (inputMasks->xi2mask[XIAllMasterDevices][evtype/8] && IsMaster(dev)));
-}
-
-Mask
-GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients* other)
-{
- /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */
- if (XI2_EVENT(event))
- {
- int byte = ((xGenericEvent*)event)->evtype / 8;
- return (other->xi2mask[dev->id][byte] |
- other->xi2mask[XIAllDevices][byte] |
- (IsMaster(dev)? other->xi2mask[XIAllMasterDevices][byte] : 0));
- } else if (CORE_EVENT(event))
- return other->mask[XIAllDevices];
- else
- return other->mask[dev->id];
-}
-
-
-static CARD8 criticalEvents[32] =
-{
- 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */
-};
-
-static void
-SyntheticMotion(DeviceIntPtr dev, int x, int y) {
- int screenno = 0;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- screenno = dev->spriteInfo->sprite->screen->myNum;
-#endif
- PostSyntheticMotion(dev, x, y, screenno,
- (syncEvents.playingEvents) ? syncEvents.time.milliseconds : currentTime.milliseconds);
-
-}
-
-#ifdef PANORAMIX
-static void PostNewCursor(DeviceIntPtr pDev);
-
-static Bool
-pointOnScreen(ScreenPtr pScreen, int x, int y)
-{
- return x >= pScreen->x && x < pScreen->x + pScreen->width &&
- y >= pScreen->y && y < pScreen->y + pScreen->height;
-}
-
-static Bool
-XineramaSetCursorPosition(
- DeviceIntPtr pDev,
- int x,
- int y,
- Bool generateEvent
-){
- ScreenPtr pScreen;
- int i;
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- /* x,y are in Screen 0 coordinates. We need to decide what Screen
- to send the message too and what the coordinates relative to
- that screen are. */
-
- pScreen = pSprite->screen;
- x += screenInfo.screens[0]->x;
- y += screenInfo.screens[0]->y;
-
- if(!pointOnScreen(pScreen, x, y))
- {
- FOR_NSCREENS(i)
- {
- if(i == pScreen->myNum)
- continue;
- if(pointOnScreen(screenInfo.screens[i], x, y))
- {
- pScreen = screenInfo.screens[i];
- break;
- }
- }
- }
-
- pSprite->screen = pScreen;
- pSprite->hotPhys.x = x - screenInfo.screens[0]->x;
- pSprite->hotPhys.y = y - screenInfo.screens[0]->y;
- x -= pScreen->x;
- y -= pScreen->y;
-
- return (*pScreen->SetCursorPosition)(pDev, pScreen, x, y, generateEvent);
-}
-
-
-static void
-XineramaConstrainCursor(DeviceIntPtr pDev)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
- ScreenPtr pScreen;
- BoxRec newBox;
-
- pScreen = pSprite->screen;
- newBox = pSprite->physLimits;
-
- /* Translate the constraining box to the screen
- the sprite is actually on */
- newBox.x1 += screenInfo.screens[0]->x - pScreen->x;
- newBox.x2 += screenInfo.screens[0]->x - pScreen->x;
- newBox.y1 += screenInfo.screens[0]->y - pScreen->y;
- newBox.y2 += screenInfo.screens[0]->y - pScreen->y;
-
- (* pScreen->ConstrainCursor)(pDev, pScreen, &newBox);
-}
-
-
-static Bool
-XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- if(pWin == screenInfo.screens[0]->root) {
- int i;
- for (i = 0; i < PanoramiXNumScreens; i++)
- pSprite->windows[i] = screenInfo.screens[i]->root;
- } else {
- PanoramiXRes *win;
- int rc, i;
-
- rc = dixLookupResourceByType((pointer *)&win, pWin->drawable.id,
- XRT_WINDOW, serverClient, DixReadAccess);
- if (rc != Success)
- return FALSE;
-
- for(i = 0; i < PanoramiXNumScreens; i++) {
- rc = dixLookupWindow(pSprite->windows + i, win->info[i].id,
- serverClient, DixReadAccess);
- if (rc != Success) /* window is being unmapped */
- return FALSE;
- }
- }
- return TRUE;
-}
-
-static void
-XineramaConfineCursorToWindow(DeviceIntPtr pDev,
- WindowPtr pWin,
- Bool generateEvents)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- int x, y, off_x, off_y, i;
-
- if(!XineramaSetWindowPntrs(pDev, pWin))
- return;
-
- i = PanoramiXNumScreens - 1;
-
- RegionCopy(&pSprite->Reg1,
- &pSprite->windows[i]->borderSize);
- off_x = screenInfo.screens[i]->x;
- off_y = screenInfo.screens[i]->y;
-
- while(i--) {
- x = off_x - screenInfo.screens[i]->x;
- y = off_y - screenInfo.screens[i]->y;
-
- if(x || y)
- RegionTranslate(&pSprite->Reg1, x, y);
-
- RegionUnion(&pSprite->Reg1, &pSprite->Reg1,
- &pSprite->windows[i]->borderSize);
-
- off_x = screenInfo.screens[i]->x;
- off_y = screenInfo.screens[i]->y;
- }
-
- pSprite->hotLimits = *RegionExtents(&pSprite->Reg1);
-
- if(RegionNumRects(&pSprite->Reg1) > 1)
- pSprite->hotShape = &pSprite->Reg1;
- else
- pSprite->hotShape = NullRegion;
-
- pSprite->confined = FALSE;
- pSprite->confineWin = (pWin == screenInfo.screens[0]->root) ? NullWindow : pWin;
-
- CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE, NULL);
-}
-
-#endif /* PANORAMIX */
-
-/**
- * Modifies the filter for the given protocol event type to the given masks.
- *
- * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent().
- * The latter initialises masks for the matching XI events, it's a once-off
- * setting.
- * UDS however changes the mask for MotionNotify and DeviceMotionNotify each
- * time a button is pressed to include the matching ButtonXMotion mask in the
- * filter.
- *
- * @param[in] deviceid The device to modify the filter for.
- * @param[in] mask The new filter mask.
- * @param[in] event Protocol event type.
- */
-void
-SetMaskForEvent(int deviceid, Mask mask, int event)
-{
- if (deviceid < 0 || deviceid >= MAXDEVICES)
- FatalError("SetMaskForEvent: bogus device id");
- filters[deviceid][event] = mask;
-}
-
-void
-SetCriticalEvent(int event)
-{
- if (event >= 128)
- FatalError("SetCriticalEvent: bogus event number");
- criticalEvents[event >> 3] |= 1 << (event & 7);
-}
-
-void
-ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py)
-{
- BoxRec box;
- int x = *px, y = *py;
- int incx = 1, incy = 1;
- SpritePtr pSprite;
-
- pSprite = pDev->spriteInfo->sprite;
- if (RegionContainsPoint(shape, x, y, &box))
- return;
- box = *RegionExtents(shape);
- /* this is rather crude */
- do {
- x += incx;
- if (x >= box.x2)
- {
- incx = -1;
- x = *px - 1;
- }
- else if (x < box.x1)
- {
- incx = 1;
- x = *px;
- y += incy;
- if (y >= box.y2)
- {
- incy = -1;
- y = *py - 1;
- }
- else if (y < box.y1)
- return; /* should never get here! */
- }
- } while (!RegionContainsPoint(shape, x, y, &box));
- *px = x;
- *py = y;
-}
-
-static void
-CheckPhysLimits(
- DeviceIntPtr pDev,
- CursorPtr cursor,
- Bool generateEvents,
- Bool confineToScreen, /* unused if PanoramiX on */
- ScreenPtr pScreen) /* unused if PanoramiX on */
-{
- HotSpot new;
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- if (!cursor)
- return;
- new = pSprite->hotPhys;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- /* I don't care what the DDX has to say about it */
- pSprite->physLimits = pSprite->hotLimits;
- else
-#endif
- {
- if (pScreen)
- new.pScreen = pScreen;
- else
- pScreen = new.pScreen;
- (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits,
- &pSprite->physLimits);
- pSprite->confined = confineToScreen;
- (* pScreen->ConstrainCursor)(pDev, pScreen, &pSprite->physLimits);
- }
-
- /* constrain the pointer to those limits */
- if (new.x < pSprite->physLimits.x1)
- new.x = pSprite->physLimits.x1;
- else
- if (new.x >= pSprite->physLimits.x2)
- new.x = pSprite->physLimits.x2 - 1;
- if (new.y < pSprite->physLimits.y1)
- new.y = pSprite->physLimits.y1;
- else
- if (new.y >= pSprite->physLimits.y2)
- new.y = pSprite->physLimits.y2 - 1;
- if (pSprite->hotShape)
- ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y);
- if ((
-#ifdef PANORAMIX
- noPanoramiXExtension &&
-#endif
- (pScreen != pSprite->hotPhys.pScreen)) ||
- (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))
- {
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- if (pScreen && ((new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)))
- XineramaSetCursorPosition (pDev, new.x, new.y, generateEvents);
- }
- else
-#endif
- {
- if (pScreen != pSprite->hotPhys.pScreen)
- pSprite->hotPhys = new;
- (*pScreen->SetCursorPosition)
- (pDev, pScreen, new.x, new.y, generateEvents);
- }
- if (!generateEvents)
- SyntheticMotion(pDev, new.x, new.y);
- }
-
-#ifdef PANORAMIX
- /* Tell DDX what the limits are */
- if (!noPanoramiXExtension)
- XineramaConstrainCursor(pDev);
-#endif
-}
-
-static void
-CheckVirtualMotion(
- DeviceIntPtr pDev,
- QdEventPtr qe,
- WindowPtr pWin)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
- RegionPtr reg = NULL;
- DeviceEvent *ev = NULL;
-
- if (qe)
- {
- ev = &qe->event->device_event;
- switch(ev->type)
- {
- case ET_Motion:
- case ET_ButtonPress:
- case ET_ButtonRelease:
- case ET_KeyPress:
- case ET_KeyRelease:
- case ET_ProximityIn:
- case ET_ProximityOut:
- pSprite->hot.pScreen = qe->pScreen;
- pSprite->hot.x = ev->root_x;
- pSprite->hot.y = ev->root_y;
- pWin = pDev->deviceGrab.grab ? pDev->deviceGrab.grab->confineTo : NullWindow;
- break;
- default:
- break;
- }
- }
- if (pWin)
- {
- BoxRec lims;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- int x, y, off_x, off_y, i;
-
- if(!XineramaSetWindowPntrs(pDev, pWin))
- return;
-
- i = PanoramiXNumScreens - 1;
-
- RegionCopy(&pSprite->Reg2,
- &pSprite->windows[i]->borderSize);
- off_x = screenInfo.screens[i]->x;
- off_y = screenInfo.screens[i]->y;
-
- while(i--) {
- x = off_x - screenInfo.screens[i]->x;
- y = off_y - screenInfo.screens[i]->y;
-
- if(x || y)
- RegionTranslate(&pSprite->Reg2, x, y);
-
- RegionUnion(&pSprite->Reg2, &pSprite->Reg2,
- &pSprite->windows[i]->borderSize);
-
- off_x = screenInfo.screens[i]->x;
- off_y = screenInfo.screens[i]->y;
- }
- } else
-#endif
- {
- if (pSprite->hot.pScreen != pWin->drawable.pScreen)
- {
- pSprite->hot.pScreen = pWin->drawable.pScreen;
- pSprite->hot.x = pSprite->hot.y = 0;
- }
- }
-
- lims = *RegionExtents(&pWin->borderSize);
- if (pSprite->hot.x < lims.x1)
- pSprite->hot.x = lims.x1;
- else if (pSprite->hot.x >= lims.x2)
- pSprite->hot.x = lims.x2 - 1;
- if (pSprite->hot.y < lims.y1)
- pSprite->hot.y = lims.y1;
- else if (pSprite->hot.y >= lims.y2)
- pSprite->hot.y = lims.y2 - 1;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- if (RegionNumRects(&pSprite->Reg2) > 1)
- reg = &pSprite->Reg2;
-
- } else
-#endif
- {
- if (wBoundingShape(pWin))
- reg = &pWin->borderSize;
- }
-
- if (reg)
- ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y);
-
- if (qe && ev)
- {
- qe->pScreen = pSprite->hot.pScreen;
- ev->root_x = pSprite->hot.x;
- ev->root_y = pSprite->hot.y;
- }
- }
-#ifdef PANORAMIX
- if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */
-#endif
- RootWindow(pDev->spriteInfo->sprite) = pSprite->hot.pScreen->root;
-}
-
-static void
-ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, Bool confineToScreen)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- if (syncEvents.playingEvents)
- {
- CheckVirtualMotion(pDev, (QdEventPtr)NULL, pWin);
- SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y);
- }
- else
- {
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- XineramaConfineCursorToWindow(pDev, pWin, generateEvents);
- return;
- }
-#endif
- pSprite->hotLimits = *RegionExtents(&pWin->borderSize);
- pSprite->hotShape = wBoundingShape(pWin) ? &pWin->borderSize
- : NullRegion;
- CheckPhysLimits(pDev, pSprite->current, generateEvents,
- confineToScreen, pWin->drawable.pScreen);
- }
-}
-
-Bool
-PointerConfinedToScreen(DeviceIntPtr pDev)
-{
- return pDev->spriteInfo->sprite->confined;
-}
-
-/**
- * Update the sprite cursor to the given cursor.
- *
- * ChangeToCursor() will display the new cursor and free the old cursor (if
- * applicable). If the provided cursor is already the updated cursor, nothing
- * happens.
- */
-static void
-ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
- ScreenPtr pScreen;
-
- if (cursor != pSprite->current)
- {
- if ((pSprite->current->bits->xhot != cursor->bits->xhot) ||
- (pSprite->current->bits->yhot != cursor->bits->yhot))
- CheckPhysLimits(pDev, cursor, FALSE, pSprite->confined,
- (ScreenPtr)NULL);
-#ifdef PANORAMIX
- /* XXX: is this really necessary?? (whot) */
- if (!noPanoramiXExtension)
- pScreen = pSprite->screen;
- else
-#endif
- pScreen = pSprite->hotPhys.pScreen;
-
- (*pScreen->DisplayCursor)(pDev, pScreen, cursor);
- FreeCursor(pSprite->current, (Cursor)0);
- pSprite->current = cursor;
- pSprite->current->refcnt++;
- }
-}
-
-/**
- * @returns true if b is a descendent of a
- */
-Bool
-IsParent(WindowPtr a, WindowPtr b)
-{
- for (b = b->parent; b; b = b->parent)
- if (b == a) return TRUE;
- return FALSE;
-}
-
-/**
- * Update the cursor displayed on the screen.
- *
- * Called whenever a cursor may have changed shape or position.
- */
-static void
-PostNewCursor(DeviceIntPtr pDev)
-{
- WindowPtr win;
- GrabPtr grab = pDev->deviceGrab.grab;
- SpritePtr pSprite = pDev->spriteInfo->sprite;
- CursorPtr pCursor;
-
- if (syncEvents.playingEvents)
- return;
- if (grab)
- {
- if (grab->cursor)
- {
- ChangeToCursor(pDev, grab->cursor);
- return;
- }
- if (IsParent(grab->window, pSprite->win))
- win = pSprite->win;
- else
- win = grab->window;
- }
- else
- win = pSprite->win;
- for (; win; win = win->parent)
- {
- if (win->optional)
- {
- pCursor = WindowGetDeviceCursor(win, pDev);
- if (!pCursor && win->optional->cursor != NullCursor)
- pCursor = win->optional->cursor;
- if (pCursor)
- {
- ChangeToCursor(pDev, pCursor);
- return;
- }
- }
- }
-}
-
-
-/**
- * @param dev device which you want to know its current root window
- * @return root window where dev's sprite is located
- */
-WindowPtr
-GetCurrentRootWindow(DeviceIntPtr dev)
-{
- return RootWindow(dev->spriteInfo->sprite);
-}
-
-/**
- * @return window underneath the cursor sprite.
- */
-WindowPtr
-GetSpriteWindow(DeviceIntPtr pDev)
-{
- return pDev->spriteInfo->sprite->win;
-}
-
-/**
- * @return current sprite cursor.
- */
-CursorPtr
-GetSpriteCursor(DeviceIntPtr pDev)
-{
- return pDev->spriteInfo->sprite->current;
-}
-
-/**
- * Set x/y current sprite position in screen coordinates.
- */
-void
-GetSpritePosition(DeviceIntPtr pDev, int *px, int *py)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
- *px = pSprite->hotPhys.x;
- *py = pSprite->hotPhys.y;
-}
-
-#ifdef PANORAMIX
-int
-XineramaGetCursorScreen(DeviceIntPtr pDev)
-{
- if(!noPanoramiXExtension) {
- return pDev->spriteInfo->sprite->screen->myNum;
- } else {
- return 0;
- }
-}
-#endif /* PANORAMIX */
-
-#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */
-
-static void
-MonthChangedOrBadTime(InternalEvent *ev)
-{
- /* If the ddx/OS is careless about not processing timestamped events from
- * different sources in sorted order, then it's possible for time to go
- * backwards when it should not. Here we ensure a decent time.
- */
- if ((currentTime.milliseconds - ev->any.time) > TIMESLOP)
- currentTime.months++;
- else
- ev->any.time = currentTime.milliseconds;
-}
-
-static void
-NoticeTime(InternalEvent *ev)
-{
- if (ev->any.time < currentTime.milliseconds)
- MonthChangedOrBadTime(ev);
- currentTime.milliseconds = ev->any.time;
- lastDeviceEventTime = currentTime;
-}
-
-void
-NoticeEventTime(InternalEvent *ev)
-{
- if (!syncEvents.playingEvents)
- NoticeTime(ev);
-}
-
-/**************************************************************************
- * The following procedures deal with synchronous events *
- **************************************************************************/
-
-/**
- * EnqueueEvent is a device's processInputProc if a device is frozen.
- * Instead of delivering the events to the client, the event is tacked onto a
- * linked list for later delivery.
- */
-void
-EnqueueEvent(InternalEvent *ev, DeviceIntPtr device)
-{
- QdEventPtr tail = *syncEvents.pendtail;
- QdEventPtr qe;
- SpritePtr pSprite = device->spriteInfo->sprite;
- int eventlen;
- DeviceEvent *event = &ev->device_event;
-
- NoticeTime((InternalEvent*)event);
-
- /* Fix for key repeating bug. */
- if (device->key != NULL && device->key->xkbInfo != NULL &&
- event->type == ET_KeyRelease)
- AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key);
-
- if (DeviceEventCallback)
- {
- DeviceEventInfoRec eventinfo;
-
- /* The RECORD spec says that the root window field of motion events
- * must be valid. At this point, it hasn't been filled in yet, so
- * we do it here. The long expression below is necessary to get
- * the current root window; the apparently reasonable alternative
- * GetCurrentRootWindow()->drawable.id doesn't give you the right
- * answer on the first motion event after a screen change because
- * the data that GetCurrentRootWindow relies on hasn't been
- * updated yet.
- */
- if (ev->any.type == ET_Motion)
- ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id;
-
- eventinfo.event = ev;
- eventinfo.device = device;
- CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
- }
-
- if (event->type == ET_Motion)
- {
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- event->root_x += pSprite->screen->x - screenInfo.screens[0]->x;
- event->root_y += pSprite->screen->y - screenInfo.screens[0]->y;
- }
-#endif
- pSprite->hotPhys.x = event->root_x;
- pSprite->hotPhys.y = event->root_y;
- /* do motion compression, but not if from different devices */
- if (tail &&
- (tail->event->any.type == ET_Motion) &&
- (tail->device == device) &&
- (tail->pScreen == pSprite->hotPhys.pScreen))
- {
- DeviceEvent *tailev = &tail->event->device_event;
- tailev->root_x = pSprite->hotPhys.x;
- tailev->root_y = pSprite->hotPhys.y;
- tailev->time = event->time;
- tail->months = currentTime.months;
- return;
- }
- }
-
- eventlen = event->length;
-
- qe = malloc(sizeof(QdEventRec) + eventlen);
- if (!qe)
- return;
- qe->next = (QdEventPtr)NULL;
- qe->device = device;
- qe->pScreen = pSprite->hotPhys.pScreen;
- qe->months = currentTime.months;
- qe->event = (InternalEvent *)(qe + 1);
- memcpy(qe->event, event, eventlen);
- if (tail)
- syncEvents.pendtail = &tail->next;
- *syncEvents.pendtail = qe;
-}
-
-/**
- * Run through the list of events queued up in syncEvents.
- * For each event do:
- * If the device for this event is not frozen anymore, take it and process it
- * as usually.
- * After that, check if there's any devices in the list that are not frozen.
- * If there is none, we're done. If there is at least one device that is not
- * frozen, then re-run from the beginning of the event queue.
- */
-static void
-PlayReleasedEvents(void)
-{
- QdEventPtr *prev, qe;
- DeviceIntPtr dev;
- DeviceIntPtr pDev;
-
- prev = &syncEvents.pending;
- while ( (qe = *prev) )
- {
- if (!qe->device->deviceGrab.sync.frozen)
- {
- *prev = qe->next;
- pDev = qe->device;
- if (*syncEvents.pendtail == *prev)
- syncEvents.pendtail = prev;
- if (qe->event->any.type == ET_Motion)
- CheckVirtualMotion(pDev, qe, NullWindow);
- syncEvents.time.months = qe->months;
- syncEvents.time.milliseconds = qe->event->any.time;
-#ifdef PANORAMIX
- /* Translate back to the sprite screen since processInputProc
- will translate from sprite screen to screen 0 upon reentry
- to the DIX layer */
- if(!noPanoramiXExtension) {
- DeviceEvent *ev = &qe->event->device_event;
- switch(ev->type)
- {
- case ET_Motion:
- case ET_ButtonPress:
- case ET_ButtonRelease:
- case ET_KeyPress:
- case ET_KeyRelease:
- case ET_ProximityIn:
- case ET_ProximityOut:
- ev->root_x += screenInfo.screens[0]->x -
- pDev->spriteInfo->sprite->screen->x;
- ev->root_y += screenInfo.screens[0]->y -
- pDev->spriteInfo->sprite->screen->y;
- break;
- default:
- break;
- }
-
- }
-#endif
- (*qe->device->public.processInputProc)(qe->event, qe->device);
- free(qe);
- for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; dev = dev->next)
- ;
- if (!dev)
- break;
- /* Playing the event may have unfrozen another device. */
- /* So to play it safe, restart at the head of the queue */
- prev = &syncEvents.pending;
- }
- else
- prev = &qe->next;
- }
-}
-
-/**
- * Freeze or thaw the given devices. The device's processing proc is
- * switched to either the real processing proc (in case of thawing) or an
- * enqueuing processing proc (usually EnqueueEvent()).
- *
- * @param dev The device to freeze/thaw
- * @param frozen True to freeze or false to thaw.
- */
-static void
-FreezeThaw(DeviceIntPtr dev, Bool frozen)
-{
- dev->deviceGrab.sync.frozen = frozen;
- if (frozen)
- dev->public.processInputProc = dev->public.enqueueInputProc;
- else
- dev->public.processInputProc = dev->public.realInputProc;
-}
-
-/**
- * Unfreeze devices and replay all events to the respective clients.
- *
- * ComputeFreezes takes the first event in the device's frozen event queue. It
- * runs up the sprite tree (spriteTrace) and searches for the window to replay
- * the events from. If it is found, it checks for passive grabs one down from
- * the window or delivers the events.
- */
-static void
-ComputeFreezes(void)
-{
- DeviceIntPtr replayDev = syncEvents.replayDev;
- WindowPtr w;
- GrabPtr grab;
- DeviceIntPtr dev;
-
- for (dev = inputInfo.devices; dev; dev = dev->next)
- FreezeThaw(dev, dev->deviceGrab.sync.other ||
- (dev->deviceGrab.sync.state >= FROZEN));
- if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
- return;
- syncEvents.playingEvents = TRUE;
- if (replayDev)
- {
- DeviceEvent* event = replayDev->deviceGrab.sync.event;
-
- syncEvents.replayDev = (DeviceIntPtr)NULL;
-
- w = XYToWindow(replayDev->spriteInfo->sprite,
- event->root_x, event->root_y);
- if (!CheckDeviceGrabs(replayDev, event, syncEvents.replayWin))
- {
- if (replayDev->focus && !IsPointerEvent((InternalEvent*)event))
- DeliverFocusedEvent(replayDev, (InternalEvent*)event, w);
- else
- DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab,
- NullWindow, replayDev);
- }
- }
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (!dev->deviceGrab.sync.frozen)
- {
- PlayReleasedEvents();
- break;
- }
- }
- syncEvents.playingEvents = FALSE;
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (DevHasCursor(dev))
- {
- /* the following may have been skipped during replay,
- so do it now */
- if ((grab = dev->deviceGrab.grab) && grab->confineTo)
- {
- if (grab->confineTo->drawable.pScreen !=
- dev->spriteInfo->sprite->hotPhys.pScreen)
- dev->spriteInfo->sprite->hotPhys.x =
- dev->spriteInfo->sprite->hotPhys.y = 0;
- ConfineCursorToWindow(dev, grab->confineTo, TRUE, TRUE);
- }
- else
- ConfineCursorToWindow(dev,
- dev->spriteInfo->sprite->hotPhys.pScreen->root,
- TRUE, FALSE);
- PostNewCursor(dev);
- }
- }
-}
-
-#ifdef RANDR
-void
-ScreenRestructured (ScreenPtr pScreen)
-{
- GrabPtr grab;
- DeviceIntPtr pDev;
-
- for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (!DevHasCursor(pDev))
- continue;
-
- /* GrabDevice doesn't have a confineTo field, so we don't need to
- * worry about it. */
- if ((grab = pDev->deviceGrab.grab) && grab->confineTo)
- {
- if (grab->confineTo->drawable.pScreen
- != pDev->spriteInfo->sprite->hotPhys.pScreen)
- pDev->spriteInfo->sprite->hotPhys.x = pDev->spriteInfo->sprite->hotPhys.y = 0;
- ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
- }
- else
- ConfineCursorToWindow(pDev,
- pDev->spriteInfo->sprite->hotPhys.pScreen->root,
- TRUE, FALSE);
- }
-}
-#endif
-
-static void
-CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
-{
- GrabPtr grab = thisDev->deviceGrab.grab;
- DeviceIntPtr dev;
-
- if (thisMode == GrabModeSync)
- thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT;
- else
- { /* free both if same client owns both */
- thisDev->deviceGrab.sync.state = THAWED;
- if (thisDev->deviceGrab.sync.other &&
- (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource) ==
- CLIENT_BITS(grab->resource)))
- thisDev->deviceGrab.sync.other = NullGrab;
- }
-
- if (IsMaster(thisDev))
- {
- dev = GetPairedDevice(thisDev);
- if (otherMode == GrabModeSync)
- dev->deviceGrab.sync.other = grab;
- else
- { /* free both if same client owns both */
- if (dev->deviceGrab.sync.other &&
- (CLIENT_BITS(dev->deviceGrab.sync.other->resource) ==
- CLIENT_BITS(grab->resource)))
- dev->deviceGrab.sync.other = NullGrab;
- }
- }
- ComputeFreezes();
-}
-
-/**
- * Save the device's master device id. This needs to be done
- * if a client directly grabs a slave device that is attached to a master. For
- * the duration of the grab, the device is detached, ungrabbing re-attaches it
- * though.
- *
- * We store the ID of the master device only in case the master disappears
- * while the device has a grab.
- */
-static void
-DetachFromMaster(DeviceIntPtr dev)
-{
- if (!dev->u.master)
- return;
-
- dev->saved_master_id = dev->u.master->id;
-
- AttachDevice(NULL, dev, NULL);
-}
-
-static void
-ReattachToOldMaster(DeviceIntPtr dev)
-{
- DeviceIntPtr master = NULL;
-
- if (IsMaster(dev))
- return;
-
- dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess);
-
- if (master)
- {
- AttachDevice(serverClient, dev, master);
- dev->saved_master_id = 0;
- }
-}
-
-/**
- * Activate a pointer grab on the given device. A pointer grab will cause all
- * core pointer events of this device to be delivered to the grabbing client only.
- * No other device will send core events to the grab client while the grab is
- * on, but core events will be sent to other clients.
- * Can cause the cursor to change if a grab cursor is set.
- *
- * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab
- * is an implicit grab caused by a ButtonPress event.
- *
- * @param mouse The device to grab.
- * @param grab The grab structure, needs to be setup.
- * @param autoGrab True if the grab was caused by a button down event and not
- * explicitely by a client.
- */
-void
-ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab,
- TimeStamp time, Bool autoGrab)
-{
- GrabInfoPtr grabinfo = &mouse->deviceGrab;
- WindowPtr oldWin = (grabinfo->grab) ?
- grabinfo->grab->window
- : mouse->spriteInfo->sprite->win;
- Bool isPassive = autoGrab & ~ImplicitGrabMask;
-
- /* slave devices need to float for the duration of the grab. */
- if (grab->grabtype == GRABTYPE_XI2 &&
- !(autoGrab & ImplicitGrabMask) && !IsMaster(mouse))
- DetachFromMaster(mouse);
-
- if (grab->confineTo)
- {
- if (grab->confineTo->drawable.pScreen
- != mouse->spriteInfo->sprite->hotPhys.pScreen)
- mouse->spriteInfo->sprite->hotPhys.x =
- mouse->spriteInfo->sprite->hotPhys.y = 0;
- ConfineCursorToWindow(mouse, grab->confineTo, FALSE, TRUE);
- }
- DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab);
- mouse->valuator->motionHintWindow = NullWindow;
- if (syncEvents.playingEvents)
- grabinfo->grabTime = syncEvents.time;
- else
- grabinfo->grabTime = time;
- if (grab->cursor)
- grab->cursor->refcnt++;
- grabinfo->activeGrab = *grab;
- grabinfo->grab = &grabinfo->activeGrab;
- grabinfo->fromPassiveGrab = isPassive;
- grabinfo->implicitGrab = autoGrab & ImplicitGrabMask;
- PostNewCursor(mouse);
- CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
-}
-
-/**
- * Delete grab on given device, update the sprite.
- *
- * Extension devices are set up for ActivateKeyboardGrab().
- */
-void
-DeactivatePointerGrab(DeviceIntPtr mouse)
-{
- GrabPtr grab = mouse->deviceGrab.grab;
- DeviceIntPtr dev;
- Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab &&
- mouse->deviceGrab.implicitGrab);
-
- mouse->valuator->motionHintWindow = NullWindow;
- mouse->deviceGrab.grab = NullGrab;
- mouse->deviceGrab.sync.state = NOT_GRABBED;
- mouse->deviceGrab.fromPassiveGrab = FALSE;
-
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev->deviceGrab.sync.other == grab)
- dev->deviceGrab.sync.other = NullGrab;
- }
- DoEnterLeaveEvents(mouse, mouse->id, grab->window,
- mouse->spriteInfo->sprite->win, NotifyUngrab);
- if (grab->confineTo)
- ConfineCursorToWindow(mouse, GetCurrentRootWindow(mouse), FALSE, FALSE);
- PostNewCursor(mouse);
- if (grab->cursor)
- FreeCursor(grab->cursor, (Cursor)0);
-
- if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
- ReattachToOldMaster(mouse);
-
- ComputeFreezes();
-}
-
-/**
- * Activate a keyboard grab on the given device.
- *
- * Extension devices have ActivateKeyboardGrab() set as their grabbing proc.
- */
-void
-ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, Bool passive)
-{
- GrabInfoPtr grabinfo = &keybd->deviceGrab;
- WindowPtr oldWin;
-
- /* slave devices need to float for the duration of the grab. */
- if (grab->grabtype == GRABTYPE_XI2 &&
- !(passive & ImplicitGrabMask) &&
- !IsMaster(keybd))
- DetachFromMaster(keybd);
-
- if (grabinfo->grab)
- oldWin = grabinfo->grab->window;
- else if (keybd->focus)
- oldWin = keybd->focus->win;
- else
- oldWin = keybd->spriteInfo->sprite->win;
- if (oldWin == FollowKeyboardWin)
- oldWin = keybd->focus->win;
- if (keybd->valuator)
- keybd->valuator->motionHintWindow = NullWindow;
- DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab);
- if (syncEvents.playingEvents)
- grabinfo->grabTime = syncEvents.time;
- else
- grabinfo->grabTime = time;
- grabinfo->activeGrab = *grab;
- grabinfo->grab = &grabinfo->activeGrab;
- grabinfo->fromPassiveGrab = passive;
- grabinfo->implicitGrab = passive & ImplicitGrabMask;
- CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
-}
-
-/**
- * Delete keyboard grab for the given device.
- */
-void
-DeactivateKeyboardGrab(DeviceIntPtr keybd)
-{
- GrabPtr grab = keybd->deviceGrab.grab;
- DeviceIntPtr dev;
- WindowPtr focusWin = keybd->focus ? keybd->focus->win
- : keybd->spriteInfo->sprite->win;
- Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab &&
- keybd->deviceGrab.implicitGrab);
-
- if (focusWin == FollowKeyboardWin)
- focusWin = inputInfo.keyboard->focus->win;
- if (keybd->valuator)
- keybd->valuator->motionHintWindow = NullWindow;
- keybd->deviceGrab.grab = NullGrab;
- keybd->deviceGrab.sync.state = NOT_GRABBED;
- keybd->deviceGrab.fromPassiveGrab = FALSE;
-
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev->deviceGrab.sync.other == grab)
- dev->deviceGrab.sync.other = NullGrab;
- }
- DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
-
- if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
- ReattachToOldMaster(keybd);
-
- ComputeFreezes();
-}
-
-void
-AllowSome(ClientPtr client,
- TimeStamp time,
- DeviceIntPtr thisDev,
- int newState)
-{
- Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
- TimeStamp grabTime;
- DeviceIntPtr dev;
- GrabInfoPtr devgrabinfo,
- grabinfo = &thisDev->deviceGrab;
-
- thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client);
- thisSynced = FALSE;
- otherGrabbed = FALSE;
- othersFrozen = FALSE;
- grabTime = grabinfo->grabTime;
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- devgrabinfo = &dev->deviceGrab;
-
- if (dev == thisDev)
- continue;
- if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client))
- {
- if (!(thisGrabbed || otherGrabbed) ||
- (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER))
- grabTime = devgrabinfo->grabTime;
- otherGrabbed = TRUE;
- if (grabinfo->sync.other == devgrabinfo->grab)
- thisSynced = TRUE;
- if (devgrabinfo->sync.state >= FROZEN)
- othersFrozen = TRUE;
- }
- }
- if (!((thisGrabbed && grabinfo->sync.state >= FROZEN) || thisSynced))
- return;
- if ((CompareTimeStamps(time, currentTime) == LATER) ||
- (CompareTimeStamps(time, grabTime) == EARLIER))
- return;
- switch (newState)
- {
- case THAWED: /* Async */
- if (thisGrabbed)
- grabinfo->sync.state = THAWED;
- if (thisSynced)
- grabinfo->sync.other = NullGrab;
- ComputeFreezes();
- break;
- case FREEZE_NEXT_EVENT: /* Sync */
- if (thisGrabbed)
- {
- grabinfo->sync.state = FREEZE_NEXT_EVENT;
- if (thisSynced)
- grabinfo->sync.other = NullGrab;
- ComputeFreezes();
- }
- break;
- case THAWED_BOTH: /* AsyncBoth */
- if (othersFrozen)
- {
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- devgrabinfo = &dev->deviceGrab;
- if (devgrabinfo->grab
- && SameClient(devgrabinfo->grab, client))
- devgrabinfo->sync.state = THAWED;
- if (devgrabinfo->sync.other &&
- SameClient(devgrabinfo->sync.other, client))
- devgrabinfo->sync.other = NullGrab;
- }
- ComputeFreezes();
- }
- break;
- case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */
- if (othersFrozen)
- {
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- devgrabinfo = &dev->deviceGrab;
- if (devgrabinfo->grab
- && SameClient(devgrabinfo->grab, client))
- devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT;
- if (devgrabinfo->sync.other
- && SameClient(devgrabinfo->sync.other, client))
- devgrabinfo->sync.other = NullGrab;
- }
- ComputeFreezes();
- }
- break;
- case NOT_GRABBED: /* Replay */
- if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT)
- {
- if (thisSynced)
- grabinfo->sync.other = NullGrab;
- syncEvents.replayDev = thisDev;
- syncEvents.replayWin = grabinfo->grab->window;
- (*grabinfo->DeactivateGrab)(thisDev);
- syncEvents.replayDev = (DeviceIntPtr)NULL;
- }
- break;
- case THAW_OTHERS: /* AsyncOthers */
- if (othersFrozen)
- {
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev == thisDev)
- continue;
- devgrabinfo = &dev->deviceGrab;
- if (devgrabinfo->grab
- && SameClient(devgrabinfo->grab, client))
- devgrabinfo->sync.state = THAWED;
- if (devgrabinfo->sync.other
- && SameClient(devgrabinfo->sync.other, client))
- devgrabinfo->sync.other = NullGrab;
- }
- ComputeFreezes();
- }
- break;
- }
-}
-
-/**
- * Server-side protocol handling for AllowEvents request.
- *
- * Release some events from a frozen device.
- */
-int
-ProcAllowEvents(ClientPtr client)
-{
- TimeStamp time;
- DeviceIntPtr mouse = NULL;
- DeviceIntPtr keybd = NULL;
- REQUEST(xAllowEventsReq);
-
- REQUEST_SIZE_MATCH(xAllowEventsReq);
- time = ClientTimeToServerTime(stuff->time);
-
- mouse = PickPointer(client);
- keybd = PickKeyboard(client);
-
- switch (stuff->mode)
- {
- case ReplayPointer:
- AllowSome(client, time, mouse, NOT_GRABBED);
- break;
- case SyncPointer:
- AllowSome(client, time, mouse, FREEZE_NEXT_EVENT);
- break;
- case AsyncPointer:
- AllowSome(client, time, mouse, THAWED);
- break;
- case ReplayKeyboard:
- AllowSome(client, time, keybd, NOT_GRABBED);
- break;
- case SyncKeyboard:
- AllowSome(client, time, keybd, FREEZE_NEXT_EVENT);
- break;
- case AsyncKeyboard:
- AllowSome(client, time, keybd, THAWED);
- break;
- case SyncBoth:
- AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT);
- break;
- case AsyncBoth:
- AllowSome(client, time, keybd, THAWED_BOTH);
- break;
- default:
- client->errorValue = stuff->mode;
- return BadValue;
- }
- return Success;
-}
-
-/**
- * Deactivate grabs from any device that has been grabbed by the client.
- */
-void
-ReleaseActiveGrabs(ClientPtr client)
-{
- DeviceIntPtr dev;
- Bool done;
-
- /* XXX CloseDownClient should remove passive grabs before
- * releasing active grabs.
- */
- do {
- done = TRUE;
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
- {
- (*dev->deviceGrab.DeactivateGrab)(dev);
- done = FALSE;
- }
- }
- } while (!done);
-}
-
-/**************************************************************************
- * The following procedures deal with delivering events *
- **************************************************************************/
-
-/**
- * Deliver the given events to the given client.
- *
- * More than one event may be delivered at a time. This is the case with
- * DeviceMotionNotifies which may be followed by DeviceValuator events.
- *
- * TryClientEvents() is the last station before actually writing the events to
- * the socket. Anything that is not filtered here, will get delivered to the
- * client.
- * An event is only delivered if
- * - mask and filter match up.
- * - no other client has a grab on the device that caused the event.
- *
- *
- * @param client The target client to deliver to.
- * @param dev The device the event came from. May be NULL.
- * @param pEvents The events to be delivered.
- * @param count Number of elements in pEvents.
- * @param mask Event mask as set by the window.
- * @param filter Mask based on event type.
- * @param grab Possible grab on the device that caused the event.
- *
- * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the
- * client.
- */
-int
-TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
- int count, Mask mask, Mask filter, GrabPtr grab)
-{
- int type;
-
-#ifdef DEBUG_EVENTS
- ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s",
- pEvents->u.u.type, pEvents->u.u.detail, mask,
- client ? client->index : -1,
- (client && client->clientGone) ? " (gone)" : "");
-#endif
-
- if (!client || client == serverClient || client->clientGone) {
-#ifdef DEBUG_EVENTS
- ErrorF(" not delivered to fake/dead client\n");
-#endif
- return 0;
- }
-
- if (filter != CantBeFiltered && !(mask & filter))
- {
- #ifdef DEBUG_EVENTS
- ErrorF(" filtered\n");
- #endif
- return 0;
- }
-
- if (grab && !SameClient(grab, client))
- {
-#ifdef DEBUG_EVENTS
- ErrorF(" not delivered due to grab\n");
-#endif
- return -1; /* don't send, but notify caller */
- }
-
- type = pEvents->u.u.type;
- if (type == MotionNotify)
- {
- if (mask & PointerMotionHintMask)
- {
- if (WID(dev->valuator->motionHintWindow) ==
- pEvents->u.keyButtonPointer.event)
- {
-#ifdef DEBUG_EVENTS
- ErrorF("[dix] \n");
- ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n");
-#endif
- return 1; /* don't send, but pretend we did */
- }
- pEvents->u.u.detail = NotifyHint;
- }
- else
- {
- pEvents->u.u.detail = NotifyNormal;
- }
- }
- else if (type == DeviceMotionNotify)
- {
- if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer*)pEvents,
- mask) != 0)
- return 1;
- } else if (type == KeyPress)
- {
- if (EventIsKeyRepeat(pEvents))
- {
- if (!_XkbWantsDetectableAutoRepeat(client))
- {
- xEvent release = *pEvents;
- release.u.u.type = KeyRelease;
- WriteEventsToClient(client, 1, &release);
-#ifdef DEBUG_EVENTS
- ErrorF(" (plus fake core release for repeat)");
-#endif
- } else
- {
-#ifdef DEBUG_EVENTS
- ErrorF(" (detectable autorepeat for core)");
-#endif
- }
- }
-
- } else if (type == DeviceKeyPress)
- {
- if (EventIsKeyRepeat(pEvents))
- {
- if (!_XkbWantsDetectableAutoRepeat(client))
- {
- deviceKeyButtonPointer release = *(deviceKeyButtonPointer *)pEvents;
- release.type = DeviceKeyRelease;
-#ifdef DEBUG_EVENTS
- ErrorF(" (plus fake xi1 release for repeat)");
-#endif
- WriteEventsToClient(client, 1, (xEvent *) &release);
- }
- else {
-#ifdef DEBUG_EVENTS
- ErrorF(" (detectable autorepeat for core)");
-#endif
- }
- }
- }
-
- if (BitIsOn(criticalEvents, type))
- {
- if (client->smart_priority < SMART_MAX_PRIORITY)
- client->smart_priority++;
- SetCriticalOutputPending();
- }
-
- WriteEventsToClient(client, count, pEvents);
-#ifdef DEBUG_EVENTS
- ErrorF("[dix] delivered\n");
-#endif
- return 1;
-}
-
-/**
- * Deliver events to a window. At this point, we do not yet know if the event
- * actually needs to be delivered. May activate a grab if the event is a
- * button press.
- *
- * Core events are always delivered to the window owner. If the filter is
- * something other than CantBeFiltered, the event is also delivered to other
- * clients with the matching mask on the window.
- *
- * More than one event may be delivered at a time. This is the case with
- * DeviceMotionNotifies which may be followed by DeviceValuator events.
- *
- * @param pWin The window that would get the event.
- * @param pEvents The events to be delivered.
- * @param count Number of elements in pEvents.
- * @param filter Mask based on event type.
- * @param grab Possible grab on the device that caused the event.
- *
- * @return Number of events delivered to various clients.
- */
-int
-DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent
- *pEvents, int count, Mask filter, GrabPtr grab)
-{
- int deliveries = 0, nondeliveries = 0;
- int attempt;
- InputClients *other;
- ClientPtr client = NullClient;
- Mask deliveryMask = 0; /* If a grab occurs due to a button press, then
- this mask is the mask of the grab. */
- int type = pEvents->u.u.type;
-
-
- /* Deliver to window owner */
- if ((filter == CantBeFiltered) || CORE_EVENT(pEvents))
- {
- /* if nobody ever wants to see this event, skip some work */
- if (filter != CantBeFiltered &&
- !((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
- return 0;
-
- if (IsInterferingGrab(wClient(pWin), pDev, pEvents))
- return 0;
-
- if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
- /* do nothing */;
- else if ( (attempt = TryClientEvents(wClient(pWin), pDev, pEvents,
- count, pWin->eventMask,
- filter, grab)) )
- {
- if (attempt > 0)
- {
- deliveries++;
- client = wClient(pWin);
- deliveryMask = pWin->eventMask;
- } else
- nondeliveries--;
- }
- }
-
- /* CantBeFiltered means only window owner gets the event */
- if (filter != CantBeFiltered)
- {
- if (CORE_EVENT(pEvents))
- other = (InputClients *)wOtherClients(pWin);
- else if (XI2_EVENT(pEvents))
- {
- OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
- /* Has any client selected for the event? */
- if (!GetWindowXI2Mask(pDev, pWin, pEvents))
- return 0;
- other = inputMasks->inputClients;
- } else {
- OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
- /* Has any client selected for the event? */
- if (!inputMasks ||
- !(inputMasks->inputEvents[pDev->id] & filter))
- return 0;
-
- other = inputMasks->inputClients;
- }
-
- for (; other; other = other->next)
- {
- Mask mask;
- if (IsInterferingGrab(rClient(other), pDev, pEvents))
- continue;
-
- mask = GetEventMask(pDev, pEvents, other);
-
- if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin,
- pEvents, count))
- /* do nothing */;
- else if ( (attempt = TryClientEvents(rClient(other), pDev,
- pEvents, count,
- mask, filter, grab)) )
- {
- if (attempt > 0)
- {
- deliveries++;
- client = rClient(other);
- deliveryMask = mask;
- } else
- nondeliveries--;
- }
- }
- }
- /*
- * Note that since core events are delivered first, an implicit grab may
- * be activated on a core grab, stopping the XI events.
- */
- if ((type == DeviceButtonPress || type == ButtonPress ||
- ((XI2_EVENT(pEvents) && ((xGenericEvent*)pEvents)->evtype == XI_ButtonPress)))
- && deliveries
- && (!grab))
- {
- GrabRec tempGrab;
- OtherInputMasks *inputMasks;
-
- memset(&tempGrab, 0, sizeof(GrabRec));
- tempGrab.next = NULL;
- tempGrab.device = pDev;
- tempGrab.resource = client->clientAsMask;
- tempGrab.window = pWin;
- tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE;
- tempGrab.eventMask = deliveryMask;
- tempGrab.keyboardMode = GrabModeAsync;
- tempGrab.pointerMode = GrabModeAsync;
- tempGrab.confineTo = NullWindow;
- tempGrab.cursor = NullCursor;
- tempGrab.type = type;
- if (type == ButtonPress)
- tempGrab.grabtype = GRABTYPE_CORE;
- else if (type == DeviceButtonPress)
- tempGrab.grabtype = GRABTYPE_XI;
- else
- {
- tempGrab.type = ((xGenericEvent*)pEvents)->evtype;
- tempGrab.grabtype = GRABTYPE_XI2;
- }
-
- /* get the XI and XI2 device mask */
- inputMasks = wOtherInputMasks(pWin);
- tempGrab.deviceMask = (inputMasks) ? inputMasks->inputEvents[pDev->id]: 0;
-
- if (inputMasks)
- memcpy(tempGrab.xi2mask, inputMasks->xi2mask,
- sizeof(tempGrab.xi2mask));
-
- (*pDev->deviceGrab.ActivateGrab)(pDev, &tempGrab,
- currentTime, TRUE | ImplicitGrabMask);
- }
- else if ((type == MotionNotify) && deliveries)
- pDev->valuator->motionHintWindow = pWin;
- else
- {
- if ((type == DeviceMotionNotify || type == DeviceButtonPress) &&
- deliveries)
- CheckDeviceGrabAndHintWindow (pWin, type,
- (deviceKeyButtonPointer*) pEvents,
- grab, client, deliveryMask);
- }
- if (deliveries)
- return deliveries;
- return nondeliveries;
-}
-
-/* If the event goes to dontClient, don't send it and return 0. if
- send works, return 1 or if send didn't work, return 2.
- Only works for core events.
-*/
-
-#ifdef PANORAMIX
-static int
-XineramaTryClientEventsResult(
- ClientPtr client,
- GrabPtr grab,
- Mask mask,
- Mask filter
-){
- if ((client) && (client != serverClient) && (!client->clientGone) &&
- ((filter == CantBeFiltered) || (mask & filter)))
- {
- if (grab && !SameClient(grab, client)) return -1;
- else return 1;
- }
- return 0;
-}
-#endif
-
-/**
- * Try to deliver events to the interested parties.
- *
- * @param pWin The window that would get the event.
- * @param pEvents The events to be delivered.
- * @param count Number of elements in pEvents.
- * @param filter Mask based on event type.
- * @param dontClient Don't deliver to the dontClient.
- */
-int
-MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents,
- int count, Mask filter, ClientPtr dontClient)
-{
- OtherClients *other;
-
-
- if (pWin->eventMask & filter)
- {
- if (wClient(pWin) == dontClient)
- return 0;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
- return XineramaTryClientEventsResult(
- wClient(pWin), NullGrab, pWin->eventMask, filter);
-#endif
- if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
- return 1; /* don't send, but pretend we did */
- return TryClientEvents(wClient(pWin), NULL, pEvents, count,
- pWin->eventMask, filter, NullGrab);
- }
- for (other = wOtherClients(pWin); other; other = other->next)
- {
- if (other->mask & filter)
- {
- if (SameClient(other, dontClient))
- return 0;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
- return XineramaTryClientEventsResult(
- rClient(other), NullGrab, other->mask, filter);
-#endif
- if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents,
- count))
- return 1; /* don't send, but pretend we did */
- return TryClientEvents(rClient(other), NULL, pEvents, count,
- other->mask, filter, NullGrab);
- }
- }
- return 2;
-}
-
-static Window FindChildForEvent(SpritePtr pSprite, WindowPtr event)
-{
- WindowPtr w = pSprite->spriteTrace[pSprite->spriteTraceGood-1];
- Window child = None;
-
- /* If the search ends up past the root should the child field be
- set to none or should the value in the argument be passed
- through. It probably doesn't matter since everyone calls
- this function with child == None anyway. */
- while (w)
- {
- /* If the source window is same as event window, child should be
- none. Don't bother going all all the way back to the root. */
-
- if (w == event)
- {
- child = None;
- break;
- }
-
- if (w->parent == event)
- {
- child = w->drawable.id;
- break;
- }
- w = w->parent;
- }
- return child;
-}
-
-/**
- * Adjust event fields to comply with the window properties.
- *
- * @param xE Event to be modified in place
- * @param pWin The window to get the information from.
- * @param child Child window setting for event (if applicable)
- * @param calcChild If True, calculate the child window.
- */
-void
-FixUpEventFromWindow(
- SpritePtr pSprite,
- xEvent *xE,
- WindowPtr pWin,
- Window child,
- Bool calcChild)
-{
- if (calcChild)
- child = FindChildForEvent(pSprite, pWin);
-
- if (XI2_EVENT(xE))
- {
- xXIDeviceEvent* event = (xXIDeviceEvent*)xE;
-
- if (event->evtype == XI_RawKeyPress ||
- event->evtype == XI_RawKeyRelease ||
- event->evtype == XI_RawButtonPress ||
- event->evtype == XI_RawButtonRelease ||
- event->evtype == XI_RawMotion ||
- event->evtype == XI_DeviceChanged ||
- event->evtype == XI_HierarchyChanged ||
- event->evtype == XI_PropertyEvent)
- return;
-
- event->root = RootWindow(pSprite)->drawable.id;
- event->event = pWin->drawable.id;
- if (pSprite->hot.pScreen == pWin->drawable.pScreen)
- {
- event->event_x = event->root_x - FP1616(pWin->drawable.x, 0);
- event->event_y = event->root_y - FP1616(pWin->drawable.y, 0);
- event->child = child;
- } else
- {
- event->event_x = 0;
- event->event_y = 0;
- event->child = None;
- }
-
- if (event->evtype == XI_Enter || event->evtype == XI_Leave ||
- event->evtype == XI_FocusIn || event->evtype == XI_FocusOut)
- ((xXIEnterEvent*)event)->same_screen =
- (pSprite->hot.pScreen == pWin->drawable.pScreen);
-
- } else
- {
- XE_KBPTR.root = RootWindow(pSprite)->drawable.id;
- XE_KBPTR.event = pWin->drawable.id;
- if (pSprite->hot.pScreen == pWin->drawable.pScreen)
- {
- XE_KBPTR.sameScreen = xTrue;
- XE_KBPTR.child = child;
- XE_KBPTR.eventX =
- XE_KBPTR.rootX - pWin->drawable.x;
- XE_KBPTR.eventY =
- XE_KBPTR.rootY - pWin->drawable.y;
- }
- else
- {
- XE_KBPTR.sameScreen = xFalse;
- XE_KBPTR.child = None;
- XE_KBPTR.eventX = 0;
- XE_KBPTR.eventY = 0;
- }
- }
-}
-
-/**
- * Check if a given event is deliverable at all on a given window.
- *
- * This function only checks if any client wants it, not for a specific
- * client.
- *
- * @param[in] dev The device this event is being sent for.
- * @param[in] event The event that is to be sent.
- * @param[in] win The current event window.
- *
- * @return Bitmask of ::XI2_MASK, ::XI_MASK, ::CORE_MASK, and
- * ::DONT_PROPAGATE_MASK.
- */
-int
-EventIsDeliverable(DeviceIntPtr dev, InternalEvent* event, WindowPtr win)
-{
- int rc = 0;
- int filter = 0;
- int type;
- OtherInputMasks *inputMasks = wOtherInputMasks(win);
- xEvent ev;
-
- /* XXX: this makes me gag */
- type = GetXI2Type(event);
- ev.u.u.type = GenericEvent; /* GetEventFilter only cares about type and evtype*/
- ((xGenericEvent*)&ev)->extension = IReqCode;
- ((xGenericEvent*)&ev)->evtype = type;
- filter = GetEventFilter(dev, &ev);
- if (type && inputMasks &&
- ((inputMasks->xi2mask[XIAllDevices][type/8] & filter) ||
- ((inputMasks->xi2mask[XIAllMasterDevices][type/8] & filter) && IsMaster(dev)) ||
- (inputMasks->xi2mask[dev->id][type/8] & filter)))
- rc |= XI2_MASK;
-
- type = GetXIType(event);
- ev.u.u.type = type;
- filter = GetEventFilter(dev, &ev);
-
- /* Check for XI mask */
- if (type && inputMasks &&
- (inputMasks->deliverableEvents[dev->id] & filter) &&
- (inputMasks->inputEvents[dev->id] & filter))
- rc |= XI_MASK;
-
- /* Check for XI DontPropagate mask */
- if (type && inputMasks &&
- (inputMasks->dontPropagateMask[dev->id] & filter))
- rc |= DONT_PROPAGATE_MASK;
-
- /* Check for core mask */
- type = GetCoreType(event);
- if (type && (win->deliverableEvents & filter) &&
- ((wOtherEventMasks(win) | win->eventMask) & filter))
- rc |= CORE_MASK;
-
- /* Check for core DontPropagate mask */
- if (type && (filter & wDontPropagateMask(win)))
- rc |= DONT_PROPAGATE_MASK;
-
- return rc;
-}
-
-/**
- * Deliver events caused by input devices.
- *
- * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is
- * called directly from the processInputProc.
- * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call
- * DeliverDeviceEvents.
- * For focused events, DeliverFocusedEvent is called first, and _may_ call
- * DeliverDeviceEvents.
- *
- * @param pWin Window to deliver event to.
- * @param event The events to deliver, not yet in wire format.
- * @param grab Possible grab on a device.
- * @param stopAt Don't recurse up to the root window.
- * @param dev The device that is responsible for the event.
- *
- * @see DeliverGrabbedEvent
- * @see DeliverFocusedEvent
- */
-int
-DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab,
- WindowPtr stopAt, DeviceIntPtr dev)
-{
- SpritePtr pSprite = dev->spriteInfo->sprite;
- Window child = None;
- Mask filter;
- int deliveries = 0;
- xEvent core;
- xEvent *xE = NULL;
- int rc, mask, count = 0;
-
- CHECKEVENT(event);
-
- while (pWin)
- {
- if ((mask = EventIsDeliverable(dev, event, pWin)))
- {
- /* XI2 events first */
- if (mask & XI2_MASK)
- {
- xEvent *xi2 = NULL;
- rc = EventToXI2(event, &xi2);
- if (rc == Success)
- {
- /* XXX: XACE */
- filter = GetEventFilter(dev, xi2);
- FixUpEventFromWindow(pSprite, xi2, pWin, child, FALSE);
- deliveries = DeliverEventsToWindow(dev, pWin, xi2, 1,
- filter, grab);
- free(xi2);
- if (deliveries > 0)
- goto unwind;
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI2 conversion failed in DDE (%d).\n",
- dev->name, rc);
- }
-
- /* XI events */
- if (mask & XI_MASK)
- {
- rc = EventToXI(event, &xE, &count);
- if (rc == Success) {
- if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count) == Success) {
- filter = GetEventFilter(dev, xE);
- FixUpEventFromWindow(pSprite, xE, pWin, child, FALSE);
- deliveries = DeliverEventsToWindow(dev, pWin, xE, count,
- filter, grab);
- if (deliveries > 0)
- goto unwind;
- }
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI conversion failed in DDE (%d, %d). Skipping delivery.\n",
- dev->name, event->any.type, rc);
- }
-
- /* Core event */
- if ((mask & CORE_MASK) && IsMaster(dev) && dev->coreEvents)
- {
- rc = EventToCore(event, &core);
- if (rc == Success) {
- if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, &core, 1) == Success) {
- filter = GetEventFilter(dev, &core);
- FixUpEventFromWindow(pSprite, &core, pWin, child, FALSE);
- deliveries = DeliverEventsToWindow(dev, pWin, &core, 1,
- filter, grab);
- if (deliveries > 0)
- goto unwind;
- }
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: Core conversion failed in DDE (%d, %d).\n",
- dev->name, event->any.type, rc);
- }
-
- if ((deliveries < 0) || (pWin == stopAt) ||
- (mask & DONT_PROPAGATE_MASK))
- {
- deliveries = 0;
- goto unwind;
- }
- }
-
- child = pWin->drawable.id;
- pWin = pWin->parent;
- }
-
-unwind:
- free(xE);
- return deliveries;
-}
-
-#undef XI_MASK
-#undef CORE_MASK
-#undef DONT_PROPAGATE_MASK
-
-/**
- * Deliver event to a window and it's immediate parent. Used for most window
- * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that
- * propagate up the tree or extension events
- *
- * In case of a ReparentNotify event, the event will be delivered to the
- * otherParent as well.
- *
- * @param pWin Window to deliver events to.
- * @param xE Events to deliver.
- * @param count number of events in xE.
- * @param otherParent Used for ReparentNotify events.
- */
-int
-DeliverEvents(WindowPtr pWin, xEvent *xE, int count,
- WindowPtr otherParent)
-{
- Mask filter;
- int deliveries;
- DeviceIntRec dummy;
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
- return count;
-#endif
-
- if (!count)
- return 0;
-
- dummy.id = XIAllDevices;
- filter = GetEventFilter(&dummy, xE);
- if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify))
- xE->u.destroyNotify.event = pWin->drawable.id;
- if (filter != StructureAndSubMask)
- return DeliverEventsToWindow(&dummy, pWin, xE, count, filter, NullGrab);
- deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count,
- StructureNotifyMask, NullGrab);
- if (pWin->parent)
- {
- xE->u.destroyNotify.event = pWin->parent->drawable.id;
- deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count,
- SubstructureNotifyMask, NullGrab);
- if (xE->u.u.type == ReparentNotify)
- {
- xE->u.destroyNotify.event = otherParent->drawable.id;
- deliveries += DeliverEventsToWindow(&dummy,
- otherParent, xE, count, SubstructureNotifyMask,
- NullGrab);
- }
- }
- return deliveries;
-}
-
-
-static Bool
-PointInBorderSize(WindowPtr pWin, int x, int y)
-{
- BoxRec box;
-
- if(RegionContainsPoint(&pWin->borderSize, x, y, &box))
- return TRUE;
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension &&
- XineramaSetWindowPntrs(inputInfo.pointer, pWin)) {
- SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite;
- int i;
-
- for(i = 1; i < PanoramiXNumScreens; i++) {
- if(RegionContainsPoint(&pSprite->windows[i]->borderSize,
- x + screenInfo.screens[0]->x - screenInfo.screens[i]->x,
- y + screenInfo.screens[0]->y - screenInfo.screens[i]->y,
- &box))
- return TRUE;
- }
- }
-#endif
- return FALSE;
-}
-
-/**
- * Traversed from the root window to the window at the position x/y. While
- * traversing, it sets up the traversal history in the spriteTrace array.
- * After completing, the spriteTrace history is set in the following way:
- * spriteTrace[0] ... root window
- * spriteTrace[1] ... top level window that encloses x/y
- * ...
- * spriteTrace[spriteTraceGood - 1] ... window at x/y
- *
- * @returns the window at the given coordinates.
- */
-WindowPtr
-XYToWindow(SpritePtr pSprite, int x, int y)
-{
- WindowPtr pWin;
- BoxRec box;
-
- pSprite->spriteTraceGood = 1; /* root window still there */
- pWin = RootWindow(pSprite)->firstChild;
- while (pWin)
- {
- if ((pWin->mapped) &&
- (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
- (x < pWin->drawable.x + (int)pWin->drawable.width +
- wBorderWidth(pWin)) &&
- (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
- (y < pWin->drawable.y + (int)pWin->drawable.height +
- wBorderWidth (pWin))
- /* When a window is shaped, a further check
- * is made to see if the point is inside
- * borderSize
- */
- && (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y))
- && (!wInputShape(pWin) ||
- RegionContainsPoint(wInputShape(pWin),
- x - pWin->drawable.x,
- y - pWin->drawable.y, &box))
-#ifdef ROOTLESS
- /* In rootless mode windows may be offscreen, even when
- * they're in X's stack. (E.g. if the native window system
- * implements some form of virtual desktop system).
- */
- && !pWin->rootlessUnhittable
-#endif
- )
- {
- if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize)
- {
- pSprite->spriteTraceSize += 10;
- pSprite->spriteTrace = realloc(pSprite->spriteTrace,
- pSprite->spriteTraceSize*sizeof(WindowPtr));
- }
- pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin;
- pWin = pWin->firstChild;
- }
- else
- pWin = pWin->nextSib;
- }
- return pSprite->spriteTrace[pSprite->spriteTraceGood-1];
-}
-
-/**
- * Ungrab a currently FocusIn grabbed device and grab the device on the
- * given window. If the win given is the NoneWin, the device is ungrabbed if
- * applicable and FALSE is returned.
- *
- * @returns TRUE if the device has been grabbed, or FALSE otherwise.
- */
-BOOL
-ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
-{
- BOOL rc = FALSE;
- DeviceEvent event;
-
- if (dev->deviceGrab.grab)
- {
- if (!dev->deviceGrab.fromPassiveGrab ||
- dev->deviceGrab.grab->type != XI_Enter ||
- dev->deviceGrab.grab->window == win ||
- IsParent(dev->deviceGrab.grab->window, win))
- return FALSE;
- DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
- (*dev->deviceGrab.DeactivateGrab)(dev);
- }
-
- if (win == NoneWin || win == PointerRootWin)
- return FALSE;
-
- memset(&event, 0, sizeof(DeviceEvent));
- event.header = ET_Internal;
- event.type = ET_FocusIn;
- event.length = sizeof(DeviceEvent);
- event.time = GetTimeInMillis();
- event.deviceid = dev->id;
- event.sourceid = dev->id;
- event.detail.button = 0;
- rc = (CheckPassiveGrabsOnWindow(win, dev, &event, FALSE, TRUE) != NULL);
- if (rc)
- DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
- return rc;
-}
-
-/**
- * Ungrab a currently Enter grabbed device and grab the device for the given
- * window.
- *
- * @returns TRUE if the device has been grabbed, or FALSE otherwise.
- */
-static BOOL
-ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
-{
- BOOL rc = FALSE;
- DeviceEvent event;
-
- if (dev->deviceGrab.grab)
- {
- if (!dev->deviceGrab.fromPassiveGrab ||
- dev->deviceGrab.grab->type != XI_Enter ||
- dev->deviceGrab.grab->window == win ||
- IsParent(dev->deviceGrab.grab->window, win))
- return FALSE;
- DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
- (*dev->deviceGrab.DeactivateGrab)(dev);
- }
-
- memset(&event, 0, sizeof(DeviceEvent));
- event.header = ET_Internal;
- event.type = ET_Enter;
- event.length = sizeof(DeviceEvent);
- event.time = GetTimeInMillis();
- event.deviceid = dev->id;
- event.sourceid = dev->id;
- event.detail.button = 0;
- rc = (CheckPassiveGrabsOnWindow(win, dev, &event, FALSE, TRUE) != NULL);
- if (rc)
- DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab);
- return rc;
-}
-
-/**
- * Update the sprite coordinates based on the event. Update the cursor
- * position, then update the event with the new coordinates that may have been
- * changed. If the window underneath the sprite has changed, change to new
- * cursor and send enter/leave events.
- *
- * CheckMotion() will not do anything and return FALSE if the event is not a
- * pointer event.
- *
- * @return TRUE if the sprite has moved or FALSE otherwise.
- */
-Bool
-CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev)
-{
- WindowPtr prevSpriteWin, newSpriteWin;
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- CHECKEVENT(ev);
-
- if (!pSprite)
- return FALSE;
-
- prevSpriteWin = pSprite->win;
-
- if (ev && !syncEvents.playingEvents)
- {
- /* GetPointerEvents() guarantees that pointer events have the correct
- rootX/Y set already. */
- switch (ev->type)
- {
- case ET_ButtonPress:
- case ET_ButtonRelease:
- case ET_Motion:
- break;
- default:
- /* all other events return FALSE */
- return FALSE;
- }
-
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- /* Motion events entering DIX get translated to Screen 0
- coordinates. Replayed events have already been
- translated since they've entered DIX before */
- ev->root_x += pSprite->screen->x - screenInfo.screens[0]->x;
- ev->root_y += pSprite->screen->y - screenInfo.screens[0]->y;
- } else
-#endif
- {
- if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen)
- {
- pSprite->hot.pScreen = pSprite->hotPhys.pScreen;
- RootWindow(pDev->spriteInfo->sprite) =
- pSprite->hot.pScreen->root;
- }
- }
-
- pSprite->hot.x = ev->root_x;
- pSprite->hot.y = ev->root_y;
- if (pSprite->hot.x < pSprite->physLimits.x1)
- pSprite->hot.x = pSprite->physLimits.x1;
- else if (pSprite->hot.x >= pSprite->physLimits.x2)
- pSprite->hot.x = pSprite->physLimits.x2 - 1;
- if (pSprite->hot.y < pSprite->physLimits.y1)
- pSprite->hot.y = pSprite->physLimits.y1;
- else if (pSprite->hot.y >= pSprite->physLimits.y2)
- pSprite->hot.y = pSprite->physLimits.y2 - 1;
- if (pSprite->hotShape)
- ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, &pSprite->hot.y);
- pSprite->hotPhys = pSprite->hot;
-
- if ((pSprite->hotPhys.x != ev->root_x) ||
- (pSprite->hotPhys.y != ev->root_y))
- {
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- XineramaSetCursorPosition(
- pDev, pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
- } else
-#endif
- {
- (*pSprite->hotPhys.pScreen->SetCursorPosition)(
- pDev, pSprite->hotPhys.pScreen,
- pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
- }
- }
-
- ev->root_x = pSprite->hot.x;
- ev->root_y = pSprite->hot.y;
- }
-
- newSpriteWin = XYToWindow(pSprite, pSprite->hot.x, pSprite->hot.y);
-
- if (newSpriteWin != prevSpriteWin)
- {
- int sourceid;
- if (!ev) {
- UpdateCurrentTimeIf();
- sourceid = pDev->id; /* when from WindowsRestructured */
- } else
- sourceid = ev->sourceid;
-
- if (prevSpriteWin != NullWindow) {
- if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin))
- DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin,
- newSpriteWin, NotifyNormal);
- }
- /* set pSprite->win after ActivateEnterGrab, otherwise
- sprite window == grab_window and no enter/leave events are
- sent. */
- pSprite->win = newSpriteWin;
- PostNewCursor(pDev);
- return FALSE;
- }
- return TRUE;
-}
-
-/**
- * Windows have restructured, we need to update the sprite position and the
- * sprite's cursor.
- */
-void
-WindowsRestructured(void)
-{
- DeviceIntPtr pDev = inputInfo.devices;
- while(pDev)
- {
- if (IsMaster(pDev) || !pDev->u.master)
- CheckMotion(NULL, pDev);
- pDev = pDev->next;
- }
-}
-
-#ifdef PANORAMIX
-/* This was added to support reconfiguration under Xdmx. The problem is
- * that if the 0th screen (i.e., screenInfo.screens[0]) is moved to an origin
- * other than 0,0, the information in the private sprite structure must
- * be updated accordingly, or XYToWindow (and other routines) will not
- * compute correctly. */
-void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff)
-{
- GrabPtr grab;
- DeviceIntPtr pDev;
- SpritePtr pSprite;
-
- if (noPanoramiXExtension) return;
-
- pDev = inputInfo.devices;
- while(pDev)
- {
- if (DevHasCursor(pDev))
- {
- pSprite = pDev->spriteInfo->sprite;
- pSprite->hot.x -= xoff;
- pSprite->hot.y -= yoff;
-
- pSprite->hotPhys.x -= xoff;
- pSprite->hotPhys.y -= yoff;
-
- pSprite->hotLimits.x1 -= xoff;
- pSprite->hotLimits.y1 -= yoff;
- pSprite->hotLimits.x2 -= xoff;
- pSprite->hotLimits.y2 -= yoff;
-
- if (RegionNotEmpty(&pSprite->Reg1))
- RegionTranslate(&pSprite->Reg1, xoff, yoff);
- if (RegionNotEmpty(&pSprite->Reg2))
- RegionTranslate(&pSprite->Reg2, xoff, yoff);
-
- /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */
- if ((grab = pDev->deviceGrab.grab) && grab->confineTo) {
- if (grab->confineTo->drawable.pScreen
- != pSprite->hotPhys.pScreen)
- pSprite->hotPhys.x = pSprite->hotPhys.y = 0;
- ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
- } else
- ConfineCursorToWindow(
- pDev,
- pSprite->hotPhys.pScreen->root,
- TRUE, FALSE);
-
- }
- pDev = pDev->next;
- }
-}
-#endif
-
-/**
- * Initialize a sprite for the given device and set it to some sane values. If
- * the device already has a sprite alloc'd, don't realloc but just reset to
- * default values.
- * If a window is supplied, the sprite will be initialized with the window's
- * cursor and positioned in the center of the window's screen. The root window
- * is a good choice to pass in here.
- *
- * It's a good idea to call it only for pointer devices, unless you have a
- * really talented keyboard.
- *
- * @param pDev The device to initialize.
- * @param pWin The window where to generate the sprite in.
- *
- */
-void
-InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin)
-{
- SpritePtr pSprite;
- ScreenPtr pScreen;
- CursorPtr pCursor;
-
- if (!pDev->spriteInfo->sprite)
- {
- DeviceIntPtr it;
-
- pDev->spriteInfo->sprite = (SpritePtr)calloc(1, sizeof(SpriteRec));
- if (!pDev->spriteInfo->sprite)
- FatalError("InitializeSprite: failed to allocate sprite struct");
-
- /* We may have paired another device with this device before our
- * device had a actual sprite. We need to check for this and reset the
- * sprite field for all paired devices.
- *
- * The VCK is always paired with the VCP before the VCP has a sprite.
- */
- for (it = inputInfo.devices; it; it = it->next)
- {
- if (it->spriteInfo->paired == pDev)
- it->spriteInfo->sprite = pDev->spriteInfo->sprite;
- }
- if (inputInfo.keyboard->spriteInfo->paired == pDev)
- inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite;
- }
-
- pSprite = pDev->spriteInfo->sprite;
- pDev->spriteInfo->spriteOwner = TRUE;
-
- pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr)NULL;
- pSprite->hot.pScreen = pScreen;
- pSprite->hotPhys.pScreen = pScreen;
- if (pScreen)
- {
- pSprite->hotPhys.x = pScreen->width / 2;
- pSprite->hotPhys.y = pScreen->height / 2;
- pSprite->hotLimits.x2 = pScreen->width;
- pSprite->hotLimits.y2 = pScreen->height;
- }
-
- pSprite->hot = pSprite->hotPhys;
- pSprite->win = pWin;
-
- if (pWin)
- {
- pCursor = wCursor(pWin);
- pSprite->spriteTrace = (WindowPtr *)calloc(1, 32*sizeof(WindowPtr));
- if (!pSprite->spriteTrace)
- FatalError("Failed to allocate spriteTrace");
- pSprite->spriteTraceSize = 32;
-
- RootWindow(pDev->spriteInfo->sprite) = pWin;
- pSprite->spriteTraceGood = 1;
-
- pSprite->pEnqueueScreen = pScreen;
- pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
-
- } else {
- pCursor = NullCursor;
- pSprite->spriteTrace = NULL;
- pSprite->spriteTraceSize = 0;
- pSprite->spriteTraceGood = 0;
- pSprite->pEnqueueScreen = screenInfo.screens[0];
- pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
- }
- if (pCursor)
- pCursor->refcnt++;
- if (pSprite->current)
- FreeCursor(pSprite->current, None);
- pSprite->current = pCursor;
-
- if (pScreen)
- {
- (*pScreen->RealizeCursor) ( pDev, pScreen, pSprite->current);
- (*pScreen->CursorLimits) ( pDev, pScreen, pSprite->current,
- &pSprite->hotLimits, &pSprite->physLimits);
- pSprite->confined = FALSE;
-
- (*pScreen->ConstrainCursor) (pDev, pScreen,
- &pSprite->physLimits);
- (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x,
- pSprite->hot.y,
- FALSE);
- (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
- }
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- pSprite->hotLimits.x1 = -screenInfo.screens[0]->x;
- pSprite->hotLimits.y1 = -screenInfo.screens[0]->y;
- pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x;
- pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y;
- pSprite->physLimits = pSprite->hotLimits;
- pSprite->confineWin = NullWindow;
- pSprite->hotShape = NullRegion;
- pSprite->screen = pScreen;
- /* gotta UNINIT these someplace */
- RegionNull(&pSprite->Reg1);
- RegionNull(&pSprite->Reg2);
- }
-#endif
-}
-
-/**
- * Update the mouse sprite info when the server switches from a pScreen to another.
- * Otherwise, the pScreen of the mouse sprite is never updated when we switch
- * from a pScreen to another. Never updating the pScreen of the mouse sprite
- * implies that windows that are in pScreen whose pScreen->myNum >0 will never
- * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen
- * always points to the first pScreen it has been set by
- * DefineInitialRootWindow().
- *
- * Calling this function is useful for use cases where the server
- * has more than one pScreen.
- * This function is similar to DefineInitialRootWindow() but it does not
- * reset the mouse pointer position.
- * @param win must be the new pScreen we are switching to.
- */
-void
-UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- SpritePtr pSprite = NULL;
- WindowPtr win = NULL;
- CursorPtr pCursor;
- if (!pScreen)
- return ;
-
- if (!pDev->spriteInfo->sprite)
- return;
-
- pSprite = pDev->spriteInfo->sprite;
-
- win = pScreen->root;
-
- pSprite->hotPhys.pScreen = pScreen;
- pSprite->hot = pSprite->hotPhys;
- pSprite->hotLimits.x2 = pScreen->width;
- pSprite->hotLimits.y2 = pScreen->height;
- pSprite->win = win;
- pCursor = wCursor(win);
- if (pCursor)
- pCursor->refcnt++;
- if (pSprite->current)
- FreeCursor(pSprite->current, 0);
- pSprite->current = pCursor;
- pSprite->spriteTraceGood = 1;
- pSprite->spriteTrace[0] = win;
- (*pScreen->CursorLimits) (pDev,
- pScreen,
- pSprite->current,
- &pSprite->hotLimits,
- &pSprite->physLimits);
- pSprite->confined = FALSE;
- (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits);
- (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- pSprite->hotLimits.x1 = -screenInfo.screens[0]->x;
- pSprite->hotLimits.y1 = -screenInfo.screens[0]->y;
- pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x;
- pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y;
- pSprite->physLimits = pSprite->hotLimits;
- pSprite->screen = pScreen;
- }
-#endif
-}
-
-/*
- * This does not take any shortcuts, and even ignores its argument, since
- * it does not happen very often, and one has to walk up the tree since
- * this might be a newly instantiated cursor for an intermediate window
- * between the one the pointer is in and the one that the last cursor was
- * instantiated from.
- */
-void
-WindowHasNewCursor(WindowPtr pWin)
-{
- DeviceIntPtr pDev;
-
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- if (DevHasCursor(pDev))
- PostNewCursor(pDev);
-}
-
-void
-NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y)
-{
- SpritePtr pSprite = pDev->spriteInfo->sprite;
-
- pSprite->hotPhys.x = x;
- pSprite->hotPhys.y = y;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- pSprite->hotPhys.x += newScreen->x - screenInfo.screens[0]->x;
- pSprite->hotPhys.y += newScreen->y - screenInfo.screens[0]->y;
- if (newScreen != pSprite->screen) {
- pSprite->screen = newScreen;
- /* Make sure we tell the DDX to update its copy of the screen */
- if(pSprite->confineWin)
- XineramaConfineCursorToWindow(pDev,
- pSprite->confineWin, TRUE);
- else
- XineramaConfineCursorToWindow(pDev, screenInfo.screens[0]->root, TRUE);
- /* if the pointer wasn't confined, the DDX won't get
- told of the pointer warp so we reposition it here */
- if(!syncEvents.playingEvents)
- (*pSprite->screen->SetCursorPosition)(
- pDev,
- pSprite->screen,
- pSprite->hotPhys.x + screenInfo.screens[0]->x -
- pSprite->screen->x,
- pSprite->hotPhys.y + screenInfo.screens[0]->y -
- pSprite->screen->y, FALSE);
- }
- } else
-#endif
- if (newScreen != pSprite->hotPhys.pScreen)
- ConfineCursorToWindow(pDev, newScreen->root, TRUE, FALSE);
-}
-
-#ifdef PANORAMIX
-
-static Bool
-XineramaPointInWindowIsVisible(
- WindowPtr pWin,
- int x,
- int y
-)
-{
- BoxRec box;
- int i, xoff, yoff;
-
- if (!pWin->realized) return FALSE;
-
- if (RegionContainsPoint(&pWin->borderClip, x, y, &box))
- return TRUE;
-
- if(!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) return FALSE;
-
- xoff = x + screenInfo.screens[0]->x;
- yoff = y + screenInfo.screens[0]->y;
-
- for(i = 1; i < PanoramiXNumScreens; i++) {
- pWin = inputInfo.pointer->spriteInfo->sprite->windows[i];
- x = xoff - screenInfo.screens[i]->x;
- y = yoff - screenInfo.screens[i]->y;
-
- if(RegionContainsPoint(&pWin->borderClip, x, y, &box)
- && (!wInputShape(pWin) ||
- RegionContainsPoint(wInputShape(pWin),
- x - pWin->drawable.x,
- y - pWin->drawable.y, &box)))
- return TRUE;
-
- }
-
- return FALSE;
-}
-
-static int
-XineramaWarpPointer(ClientPtr client)
-{
- WindowPtr dest = NULL;
- int x, y, rc;
- SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
-
- REQUEST(xWarpPointerReq);
-
-
- if (stuff->dstWid != None) {
- rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess);
- if (rc != Success)
- return rc;
- }
- x = pSprite->hotPhys.x;
- y = pSprite->hotPhys.y;
-
- if (stuff->srcWid != None)
- {
- int winX, winY;
- XID winID = stuff->srcWid;
- WindowPtr source;
-
- rc = dixLookupWindow(&source, winID, client, DixReadAccess);
- if (rc != Success)
- return rc;
-
- winX = source->drawable.x;
- winY = source->drawable.y;
- if(source == screenInfo.screens[0]->root) {
- winX -= screenInfo.screens[0]->x;
- winY -= screenInfo.screens[0]->y;
- }
- if (x < winX + stuff->srcX ||
- y < winY + stuff->srcY ||
- (stuff->srcWidth != 0 &&
- winX + stuff->srcX + (int)stuff->srcWidth < x) ||
- (stuff->srcHeight != 0 &&
- winY + stuff->srcY + (int)stuff->srcHeight < y) ||
- !XineramaPointInWindowIsVisible(source, x, y))
- return Success;
- }
- if (dest) {
- x = dest->drawable.x;
- y = dest->drawable.y;
- if(dest == screenInfo.screens[0]->root) {
- x -= screenInfo.screens[0]->x;
- y -= screenInfo.screens[0]->y;
- }
- }
-
- x += stuff->dstX;
- y += stuff->dstY;
-
- if (x < pSprite->physLimits.x1)
- x = pSprite->physLimits.x1;
- else if (x >= pSprite->physLimits.x2)
- x = pSprite->physLimits.x2 - 1;
- if (y < pSprite->physLimits.y1)
- y = pSprite->physLimits.y1;
- else if (y >= pSprite->physLimits.y2)
- y = pSprite->physLimits.y2 - 1;
- if (pSprite->hotShape)
- ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y);
-
- XineramaSetCursorPosition(PickPointer(client), x, y, TRUE);
-
- return Success;
-}
-
-#endif
-
-
-/**
- * Server-side protocol handling for WarpPointer request.
- * Warps the cursor position to the coordinates given in the request.
- */
-int
-ProcWarpPointer(ClientPtr client)
-{
- WindowPtr dest = NULL;
- int x, y, rc;
- ScreenPtr newScreen;
- DeviceIntPtr dev, tmp;
- SpritePtr pSprite;
-
- REQUEST(xWarpPointerReq);
- REQUEST_SIZE_MATCH(xWarpPointerReq);
-
- dev = PickPointer(client);
-
- for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
- if ((tmp == dev) || (!IsMaster(tmp) && tmp->u.master == dev)) {
- rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixWriteAccess);
- if (rc != Success)
- return rc;
- }
- }
-
- if (dev->u.lastSlave)
- dev = dev->u.lastSlave;
- pSprite = dev->spriteInfo->sprite;
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension)
- return XineramaWarpPointer(client);
-#endif
-
- if (stuff->dstWid != None) {
- rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- }
- x = pSprite->hotPhys.x;
- y = pSprite->hotPhys.y;
-
- if (stuff->srcWid != None)
- {
- int winX, winY;
- XID winID = stuff->srcWid;
- WindowPtr source;
-
- rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- winX = source->drawable.x;
- winY = source->drawable.y;
- if (source->drawable.pScreen != pSprite->hotPhys.pScreen ||
- x < winX + stuff->srcX ||
- y < winY + stuff->srcY ||
- (stuff->srcWidth != 0 &&
- winX + stuff->srcX + (int)stuff->srcWidth < x) ||
- (stuff->srcHeight != 0 &&
- winY + stuff->srcY + (int)stuff->srcHeight < y) ||
- !PointInWindowIsVisible(source, x, y))
- return Success;
- }
- if (dest)
- {
- x = dest->drawable.x;
- y = dest->drawable.y;
- newScreen = dest->drawable.pScreen;
- } else
- newScreen = pSprite->hotPhys.pScreen;
-
- x += stuff->dstX;
- y += stuff->dstY;
-
- if (x < 0)
- x = 0;
- else if (x >= newScreen->width)
- x = newScreen->width - 1;
- if (y < 0)
- y = 0;
- else if (y >= newScreen->height)
- y = newScreen->height - 1;
-
- if (newScreen == pSprite->hotPhys.pScreen)
- {
- if (x < pSprite->physLimits.x1)
- x = pSprite->physLimits.x1;
- else if (x >= pSprite->physLimits.x2)
- x = pSprite->physLimits.x2 - 1;
- if (y < pSprite->physLimits.y1)
- y = pSprite->physLimits.y1;
- else if (y >= pSprite->physLimits.y2)
- y = pSprite->physLimits.y2 - 1;
- if (pSprite->hotShape)
- ConfineToShape(dev, pSprite->hotShape, &x, &y);
- (*newScreen->SetCursorPosition)(dev, newScreen, x, y, TRUE);
- }
- else if (!PointerConfinedToScreen(dev))
- {
- NewCurrentScreen(dev, newScreen, x, y);
- }
- return Success;
-}
-
-static Bool
-BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin)
-{
- if(RegionNotEmpty(&pWin->borderSize))
- return TRUE;
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) {
- int i;
-
- for(i = 1; i < PanoramiXNumScreens; i++) {
- if(RegionNotEmpty(&pDev->spriteInfo->sprite->windows[i]->borderSize))
- return TRUE;
- }
- }
-#endif
- return FALSE;
-}
-
-/**
- * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a
- * passive grab set on the window to be activated.
- * If activate is true and a passive grab is found, it will be activated,
- * and the event will be delivered to the client.
- *
- * @param pWin The window that may be subject to a passive grab.
- * @param device Device that caused the event.
- * @param event The current device event.
- * @param checkCore Check for core grabs too.
- * @param activate If a grab is found, activate it and deliver the event.
- */
-
-GrabPtr
-CheckPassiveGrabsOnWindow(
- WindowPtr pWin,
- DeviceIntPtr device,
- DeviceEvent *event,
- BOOL checkCore,
- BOOL activate)
-{
- SpritePtr pSprite = device->spriteInfo->sprite;
- GrabPtr grab = wPassiveGrabs(pWin);
- GrabRec tempGrab;
- GrabInfoPtr grabinfo;
-#define CORE_MATCH 0x1
-#define XI_MATCH 0x2
-#define XI2_MATCH 0x4
- int match = 0;
-
- if (!grab)
- return NULL;
- /* Fill out the grab details, but leave the type for later before
- * comparing */
- tempGrab.window = pWin;
- tempGrab.device = device;
- tempGrab.detail.exact = event->detail.key;
- tempGrab.detail.pMask = NULL;
- tempGrab.modifiersDetail.pMask = NULL;
- tempGrab.next = NULL;
- for (; grab; grab = grab->next)
- {
- DeviceIntPtr gdev;
- XkbSrvInfoPtr xkbi = NULL;
-
- gdev= grab->modifierDevice;
- if (grab->grabtype == GRABTYPE_CORE)
- {
- if (IsPointerDevice(device))
- gdev = GetPairedDevice(device);
- else
- gdev = device;
- } else if (grab->grabtype == GRABTYPE_XI2)
- {
- /* if the device is an attached slave device, gdev must be the
- * attached master keyboard. Since the slave may have been
- * reattached after the grab, the modifier device may not be the
- * same. */
- if (!IsMaster(grab->device) && device->u.master)
- gdev = GetMaster(device, MASTER_KEYBOARD);
- }
-
-
- if (gdev && gdev->key)
- xkbi= gdev->key->xkbInfo;
- tempGrab.modifierDevice = grab->modifierDevice;
- tempGrab.modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0;
-
- /* Check for XI2 and XI grabs first */
- tempGrab.type = GetXI2Type((InternalEvent*)event);
- tempGrab.grabtype = GRABTYPE_XI2;
- if (GrabMatchesSecond(&tempGrab, grab, FALSE))
- match = XI2_MATCH;
-
- tempGrab.detail.exact = event->detail.key;
- if (!match)
- {
- tempGrab.grabtype = GRABTYPE_XI;
- if ((tempGrab.type = GetXIType((InternalEvent*)event)) &&
- (GrabMatchesSecond(&tempGrab, grab, FALSE)))
- match = XI_MATCH;
- }
-
- /* Check for a core grab (ignore the device when comparing) */
- if (!match && checkCore)
- {
- tempGrab.grabtype = GRABTYPE_CORE;
- if ((tempGrab.type = GetCoreType((InternalEvent*)event)) &&
- (GrabMatchesSecond(&tempGrab, grab, TRUE)))
- match = CORE_MATCH;
- }
-
- if (match && (!grab->confineTo ||
- (grab->confineTo->realized &&
- BorderSizeNotEmpty(device, grab->confineTo))))
- {
- int rc, count = 0;
- xEvent *xE = NULL;
- xEvent core;
-
- event->corestate &= 0x1f00;
- event->corestate |= tempGrab.modifiersDetail.exact & (~0x1f00);
- grabinfo = &device->deviceGrab;
- /* In some cases a passive core grab may exist, but the client
- * already has a core grab on some other device. In this case we
- * must not get the grab, otherwise we may never ungrab the
- * device.
- */
-
- if (grab->grabtype == GRABTYPE_CORE)
- {
- DeviceIntPtr other;
- BOOL interfering = FALSE;
-
- /* A passive grab may have been created for a different device
- than it is assigned to at this point in time.
- Update the grab's device and modifier device to reflect the
- current state.
- Since XGrabDeviceButton requires to specify the
- modifierDevice explicitly, we don't override this choice.
- */
- if (tempGrab.type < GenericEvent)
- {
- grab->device = device;
- grab->modifierDevice = GetPairedDevice(device);
- }
-
- for (other = inputInfo.devices; other; other = other->next)
- {
- GrabPtr othergrab = other->deviceGrab.grab;
- if (othergrab && othergrab->grabtype == GRABTYPE_CORE &&
- SameClient(grab, rClient(othergrab)) &&
- ((IsPointerDevice(grab->device) &&
- IsPointerDevice(othergrab->device)) ||
- (IsKeyboardDevice(grab->device) &&
- IsKeyboardDevice(othergrab->device))))
- {
- interfering = TRUE;
- break;
- }
- }
- if (interfering)
- continue;
- }
-
- if (!activate)
- return grab;
-
- if (match & CORE_MATCH)
- {
- rc = EventToCore((InternalEvent*)event, &core);
- if (rc != Success)
- {
- if (rc != BadMatch)
- ErrorF("[dix] %s: core conversion failed in CPGFW "
- "(%d, %d).\n", device->name, event->type, rc);
- continue;
- }
- xE = &core;
- count = 1;
- } else if (match & XI2_MATCH)
- {
- rc = EventToXI2((InternalEvent*)event, &xE);
- if (rc != Success)
- {
- if (rc != BadMatch)
- ErrorF("[dix] %s: XI2 conversion failed in CPGFW "
- "(%d, %d).\n", device->name, event->type, rc);
- continue;
- }
- count = 1;
- } else
- {
- rc = EventToXI((InternalEvent*)event, &xE, &count);
- if (rc != Success)
- {
- if (rc != BadMatch)
- ErrorF("[dix] %s: XI conversion failed in CPGFW "
- "(%d, %d).\n", device->name, event->type, rc);
- continue;
- }
- }
-
- (*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE);
-
- if (xE)
- {
- FixUpEventFromWindow(pSprite, xE, grab->window, None, TRUE);
-
- TryClientEvents(rClient(grab), device, xE, count,
- GetEventFilter(device, xE),
- GetEventFilter(device, xE), grab);
- }
-
- if (grabinfo->sync.state == FROZEN_NO_EVENT)
- {
- if (!grabinfo->sync.event)
- grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
- *grabinfo->sync.event = *event;
- grabinfo->sync.state = FROZEN_WITH_EVENT;
- }
-
- if (match & (XI_MATCH | XI2_MATCH))
- free(xE); /* on core match xE == &core */
- return grab;
- }
- }
- return NULL;
-#undef CORE_MATCH
-#undef XI_MATCH
-#undef XI2_MATCH
-}
-
-/**
- * CheckDeviceGrabs handles both keyboard and pointer events that may cause
- * a passive grab to be activated.
- *
- * If the event is a keyboard event, the ancestors of the focus window are
- * traced down and tried to see if they have any passive grabs to be
- * activated. If the focus window itself is reached and it's descendants
- * contain the pointer, the ancestors of the window that the pointer is in
- * are then traced down starting at the focus window, otherwise no grabs are
- * activated.
- * If the event is a pointer event, the ancestors of the window that the
- * pointer is in are traced down starting at the root until CheckPassiveGrabs
- * causes a passive grab to activate or all the windows are
- * tried. PRH
- *
- * If a grab is activated, the event has been sent to the client already!
- *
- * The event we pass in must always be an XI event. From this, we then emulate
- * the core event and then check for grabs.
- *
- * @param device The device that caused the event.
- * @param xE The event to handle (Device{Button|Key}Press).
- * @param count Number of events in list.
- * @return TRUE if a grab has been activated or false otherwise.
-*/
-
-Bool
-CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, WindowPtr ancestor)
-{
- int i;
- WindowPtr pWin = NULL;
- FocusClassPtr focus = IsPointerEvent((InternalEvent*)event) ? NULL : device->focus;
- BOOL sendCore = (IsMaster(device) && device->coreEvents);
-
- if (event->type != ET_ButtonPress &&
- event->type != ET_KeyPress)
- return FALSE;
-
- if (event->type == ET_ButtonPress
- && (device->button->buttonsDown != 1))
- return FALSE;
-
- if (device->deviceGrab.grab)
- return FALSE;
-
- i = 0;
- if (ancestor)
- {
- while (i < device->spriteInfo->sprite->spriteTraceGood)
- if (device->spriteInfo->sprite->spriteTrace[i++] == ancestor)
- break;
- if (i == device->spriteInfo->sprite->spriteTraceGood)
- return FALSE;
- }
-
- if (focus)
- {
- for (; i < focus->traceGood; i++)
- {
- pWin = focus->trace[i];
- if (CheckPassiveGrabsOnWindow(pWin, device, event, sendCore, TRUE))
- return TRUE;
- }
-
- if ((focus->win == NoneWin) ||
- (i >= device->spriteInfo->sprite->spriteTraceGood) ||
- (pWin && pWin != device->spriteInfo->sprite->spriteTrace[i-1]))
- return FALSE;
- }
-
- for (; i < device->spriteInfo->sprite->spriteTraceGood; i++)
- {
- pWin = device->spriteInfo->sprite->spriteTrace[i];
- if (CheckPassiveGrabsOnWindow(pWin, device, event, sendCore, TRUE))
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- * Called for keyboard events to deliver event to whatever client owns the
- * focus.
- *
- * The event is delivered to the keyboard's focus window, the root window or
- * to the window owning the input focus.
- *
- * @param keybd The keyboard originating the event.
- * @param event The event, not yet in wire format.
- * @param window Window underneath the sprite.
- */
-void
-DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window)
-{
- DeviceIntPtr ptr;
- WindowPtr focus = keybd->focus->win;
- BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents);
- xEvent core;
- xEvent *xE = NULL, *xi2 = NULL;
- int count, rc;
- int deliveries = 0;
-
- if (focus == FollowKeyboardWin)
- focus = inputInfo.keyboard->focus->win;
- if (!focus)
- return;
- if (focus == PointerRootWin)
- {
- DeliverDeviceEvents(window, event, NullGrab, NullWindow, keybd);
- return;
- }
- if ((focus == window) || IsParent(focus, window))
- {
- if (DeliverDeviceEvents(window, event, NullGrab, focus, keybd))
- return;
- }
-
- /* just deliver it to the focus window */
- ptr = GetPairedDevice(keybd);
-
-
- rc = EventToXI2(event, &xi2);
- if (rc == Success)
- {
- /* XXX: XACE */
- int filter = GetEventFilter(keybd, xi2);
- FixUpEventFromWindow(ptr->spriteInfo->sprite, xi2, focus, None, FALSE);
- deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1,
- filter, NullGrab);
- if (deliveries > 0)
- goto unwind;
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n",
- keybd->name, event->any.type, rc);
-
- rc = EventToXI(event, &xE, &count);
- if (rc == Success &&
- XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, count) == Success)
- {
- FixUpEventFromWindow(ptr->spriteInfo->sprite, xE, focus, None, FALSE);
- deliveries = DeliverEventsToWindow(keybd, focus, xE, count,
- GetEventFilter(keybd, xE),
- NullGrab);
-
- if (deliveries > 0)
- goto unwind;
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n",
- keybd->name, event->any.type, rc);
-
- if (sendCore)
- {
- rc = EventToCore(event, &core);
- if (rc == Success) {
- if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, &core, 1) == Success) {
- FixUpEventFromWindow(keybd->spriteInfo->sprite, &core, focus,
- None, FALSE);
- deliveries = DeliverEventsToWindow(keybd, focus, &core, 1,
- GetEventFilter(keybd, &core),
- NullGrab);
- }
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n",
- keybd->name, event->any.type, rc);
- }
-
-unwind:
- free(xE);
- free(xi2);
- return;
-}
-
-/**
- * Deliver an event from a device that is currently grabbed. Uses
- * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the
- * grab. If not, TryClientEvents() is used.
- *
- * @param deactivateGrab True if the device's grab should be deactivated.
- */
-void
-DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev,
- Bool deactivateGrab)
-{
- GrabPtr grab;
- GrabInfoPtr grabinfo;
- int deliveries = 0;
- DeviceIntPtr dev;
- SpritePtr pSprite = thisDev->spriteInfo->sprite;
- BOOL sendCore = FALSE;
- int rc, count = 0;
- xEvent *xi = NULL;
- xEvent *xi2 = NULL;
-
- grabinfo = &thisDev->deviceGrab;
- grab = grabinfo->grab;
-
- if (grab->ownerEvents)
- {
- WindowPtr focus;
-
- /* Hack: Some pointer device have a focus class. So we need to check
- * for the type of event, to see if we really want to deliver it to
- * the focus window. For pointer events, the answer is no.
- */
- if (IsPointerEvent(event))
- focus = PointerRootWin;
- else if (thisDev->focus)
- {
- focus = thisDev->focus->win;
- if (focus == FollowKeyboardWin)
- focus = inputInfo.keyboard->focus->win;
- }
- else
- focus = PointerRootWin;
- if (focus == PointerRootWin)
- deliveries = DeliverDeviceEvents(pSprite->win, event, grab,
- NullWindow, thisDev);
- else if (focus && (focus == pSprite->win ||
- IsParent(focus, pSprite->win)))
- deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus,
- thisDev);
- else if (focus)
- deliveries = DeliverDeviceEvents(focus, event, grab, focus,
- thisDev);
- }
- if (!deliveries)
- {
- Mask mask;
-
- /* XXX: In theory, we could pass the internal events through to
- * everything and only convert just before hitting the wire. We can't
- * do that yet, so DGE is the last stop for internal events. From here
- * onwards, we deal with core/XI events.
- */
-
- mask = grab->eventMask;
-
- sendCore = (IsMaster(thisDev) && thisDev->coreEvents);
- /* try core event */
- if (sendCore && grab->grabtype == GRABTYPE_CORE)
- {
- xEvent core;
-
- rc = EventToCore(event, &core);
- if (rc == Success)
- {
- FixUpEventFromWindow(pSprite, &core, grab->window, None, TRUE);
- if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
- grab->window, &core, 1) ||
- XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
- grab->window, &core, 1))
- deliveries = 1; /* don't send, but pretend we did */
- else if (!IsInterferingGrab(rClient(grab), thisDev, &core))
- {
- deliveries = TryClientEvents(rClient(grab), thisDev,
- &core, 1, mask,
- GetEventFilter(thisDev, &core),
- grab);
- }
- } else if (rc != BadMatch)
- ErrorF("[dix] DeliverGrabbedEvent. Core conversion failed.\n");
- }
-
- if (!deliveries)
- {
- rc = EventToXI2(event, &xi2);
- if (rc == Success)
- {
- int evtype = ((xGenericEvent*)xi2)->evtype;
- mask = grab->xi2mask[XIAllDevices][evtype/8] |
- grab->xi2mask[XIAllMasterDevices][evtype/8] |
- grab->xi2mask[thisDev->id][evtype/8];
- /* try XI2 event */
- FixUpEventFromWindow(pSprite, xi2, grab->window, None, TRUE);
- /* XXX: XACE */
- deliveries = TryClientEvents(rClient(grab), thisDev, xi2, 1, mask,
- GetEventFilter(thisDev, xi2), grab);
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI2 conversion failed in DGE (%d, %d). Skipping delivery.\n",
- thisDev->name, event->any.type, rc);
- }
-
- if (!deliveries)
- {
- rc = EventToXI(event, &xi, &count);
- if (rc == Success)
- {
- /* try XI event */
- if (grabinfo->fromPassiveGrab &&
- grabinfo->implicitGrab)
- mask = grab->deviceMask;
- else
- mask = grab->eventMask;
-
- FixUpEventFromWindow(pSprite, xi, grab->window, None, TRUE);
-
- if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
- grab->window, xi, count) ||
- XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
- grab->window, xi, count))
- deliveries = 1; /* don't send, but pretend we did */
- else
- {
- deliveries =
- TryClientEvents(rClient(grab), thisDev,
- xi, count,
- mask,
- GetEventFilter(thisDev, xi),
- grab);
- }
- } else if (rc != BadMatch)
- ErrorF("[dix] %s: XI conversion failed in DGE (%d, %d). Skipping delivery.\n",
- thisDev->name, event->any.type, rc);
- }
-
- if (deliveries && (event->any.type == ET_Motion))
- thisDev->valuator->motionHintWindow = grab->window;
- }
- if (deliveries && !deactivateGrab && event->any.type != ET_Motion)
- {
- switch (grabinfo->sync.state)
- {
- case FREEZE_BOTH_NEXT_EVENT:
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev == thisDev)
- continue;
- FreezeThaw(dev, TRUE);
- if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT) &&
- (CLIENT_BITS(grab->resource) ==
- CLIENT_BITS(dev->deviceGrab.grab->resource)))
- dev->deviceGrab.sync.state = FROZEN_NO_EVENT;
- else if (GetPairedDevice(thisDev) == dev)
- dev->deviceGrab.sync.other = grab;
- }
- /* fall through */
- case FREEZE_NEXT_EVENT:
- grabinfo->sync.state = FROZEN_WITH_EVENT;
- FreezeThaw(thisDev, TRUE);
- if (!grabinfo->sync.event)
- grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
- *grabinfo->sync.event = event->device_event;
- break;
- }
- }
-
- free(xi);
- free(xi2);
-}
-
-/* This function is used to set the key pressed or key released state -
- this is only used when the pressing of keys does not cause
- the device's processInputProc to be called, as in for example Mouse Keys.
-*/
-void
-FixKeyState (DeviceEvent *event, DeviceIntPtr keybd)
-{
- int key = event->detail.key;
-
- if (event->type == ET_KeyPress) {
- DebugF("FixKeyState: Key %d %s\n",key,
- ((event->type == ET_KeyPress) ? "down" : "up"));
- }
-
- if (event->type == ET_KeyPress)
- set_key_down(keybd, key, KEY_PROCESSED);
- else if (event->type == ET_KeyRelease)
- set_key_up(keybd, key, KEY_PROCESSED);
- else
- FatalError("Impossible keyboard event");
-}
-
-#define AtMostOneClient \
- (SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask)
-#define ManagerMask \
- (SubstructureRedirectMask | ResizeRedirectMask)
-
-/**
- * Recalculate which events may be deliverable for the given window.
- * Recalculated mask is used for quicker determination which events may be
- * delivered to a window.
- *
- * The otherEventMasks on a WindowOptional is the combination of all event
- * masks set by all clients on the window.
- * deliverableEventMask is the combination of the eventMask and the
- * otherEventMask plus the events that may be propagated to the parent.
- *
- * Traverses to siblings and parents of the window.
- */
-void
-RecalculateDeliverableEvents(WindowPtr pWin)
-{
- OtherClients *others;
- WindowPtr pChild;
-
- pChild = pWin;
- while (1)
- {
- if (pChild->optional)
- {
- pChild->optional->otherEventMasks = 0;
- for (others = wOtherClients(pChild); others; others = others->next)
- {
- pChild->optional->otherEventMasks |= others->mask;
- }
- }
- pChild->deliverableEvents = pChild->eventMask|
- wOtherEventMasks(pChild);
- if (pChild->parent)
- pChild->deliverableEvents |=
- (pChild->parent->deliverableEvents &
- ~wDontPropagateMask(pChild) & PropagateMask);
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- break;
- pChild = pChild->nextSib;
- }
-}
-
-/**
- *
- * \param value must conform to DeleteType
- */
-int
-OtherClientGone(pointer value, XID id)
-{
- OtherClientsPtr other, prev;
- WindowPtr pWin = (WindowPtr)value;
-
- prev = 0;
- for (other = wOtherClients(pWin); other; other = other->next)
- {
- if (other->resource == id)
- {
- if (prev)
- prev->next = other->next;
- else
- {
- if (!(pWin->optional->otherClients = other->next))
- CheckWindowOptionalNeed (pWin);
- }
- free(other);
- RecalculateDeliverableEvents(pWin);
- return Success;
- }
- prev = other;
- }
- FatalError("client not on event list");
- /*NOTREACHED*/
- return -1; /* make compiler happy */
-}
-
-int
-EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask)
-{
- Mask check;
- OtherClients * others;
- DeviceIntPtr dev;
- int rc;
-
- if (mask & ~AllEventMasks)
- {
- client->errorValue = mask;
- return BadValue;
- }
- check = (mask & ManagerMask);
- if (check) {
- rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
- RT_WINDOW, pWin, RT_NONE, NULL, DixManageAccess);
- if (rc != Success)
- return rc;
- }
- check = (mask & AtMostOneClient);
- if (check & (pWin->eventMask|wOtherEventMasks(pWin)))
- { /* It is illegal for two different
- clients to select on any of the
- events for AtMostOneClient. However,
- it is OK, for some client to
- continue selecting on one of those
- events. */
- if ((wClient(pWin) != client) && (check & pWin->eventMask))
- return BadAccess;
- for (others = wOtherClients (pWin); others; others = others->next)
- {
- if (!SameClient(others, client) && (check & others->mask))
- return BadAccess;
- }
- }
- if (wClient (pWin) == client)
- {
- check = pWin->eventMask;
- pWin->eventMask = mask;
- }
- else
- {
- for (others = wOtherClients (pWin); others; others = others->next)
- {
- if (SameClient(others, client))
- {
- check = others->mask;
- if (mask == 0)
- {
- FreeResource(others->resource, RT_NONE);
- return Success;
- }
- else
- others->mask = mask;
- goto maskSet;
- }
- }
- check = 0;
- if (!pWin->optional && !MakeWindowOptional (pWin))
- return BadAlloc;
- others = malloc(sizeof(OtherClients));
- if (!others)
- return BadAlloc;
- others->mask = mask;
- others->resource = FakeClientID(client->index);
- others->next = pWin->optional->otherClients;
- pWin->optional->otherClients = others;
- if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin))
- return BadAlloc;
- }
-maskSet:
- if ((mask & PointerMotionHintMask) && !(check & PointerMotionHintMask))
- {
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (dev->valuator && dev->valuator->motionHintWindow == pWin)
- dev->valuator->motionHintWindow = NullWindow;
- }
- }
- RecalculateDeliverableEvents(pWin);
- return Success;
-}
-
-int
-EventSuppressForWindow(WindowPtr pWin, ClientPtr client,
- Mask mask, Bool *checkOptional)
-{
- int i, free;
-
- if (mask & ~PropagateMask)
- {
- client->errorValue = mask;
- return BadValue;
- }
- if (pWin->dontPropagate)
- DontPropagateRefCnts[pWin->dontPropagate]--;
- if (!mask)
- i = 0;
- else
- {
- for (i = DNPMCOUNT, free = 0; --i > 0; )
- {
- if (!DontPropagateRefCnts[i])
- free = i;
- else if (mask == DontPropagateMasks[i])
- break;
- }
- if (!i && free)
- {
- i = free;
- DontPropagateMasks[i] = mask;
- }
- }
- if (i || !mask)
- {
- pWin->dontPropagate = i;
- if (i)
- DontPropagateRefCnts[i]++;
- if (pWin->optional)
- {
- pWin->optional->dontPropagateMask = mask;
- *checkOptional = TRUE;
- }
- }
- else
- {
- if (!pWin->optional && !MakeWindowOptional (pWin))
- {
- if (pWin->dontPropagate)
- DontPropagateRefCnts[pWin->dontPropagate]++;
- return BadAlloc;
- }
- pWin->dontPropagate = 0;
- pWin->optional->dontPropagateMask = mask;
- }
- RecalculateDeliverableEvents(pWin);
- return Success;
-}
-
-/**
- * Assembles an EnterNotify or LeaveNotify and sends it event to the client.
- * Uses the paired keyboard to get some additional information.
- */
-void
-CoreEnterLeaveEvent(
- DeviceIntPtr mouse,
- int type,
- int mode,
- int detail,
- WindowPtr pWin,
- Window child)
-{
- xEvent event;
- WindowPtr focus;
- DeviceIntPtr keybd;
- GrabPtr grab = mouse->deviceGrab.grab;
- Mask mask;
-
- keybd = GetPairedDevice(mouse);
-
- if ((pWin == mouse->valuator->motionHintWindow) &&
- (detail != NotifyInferior))
- mouse->valuator->motionHintWindow = NullWindow;
- if (grab)
- {
- mask = (pWin == grab->window) ? grab->eventMask : 0;
- if (grab->ownerEvents)
- mask |= EventMaskForClient(pWin, rClient(grab));
- }
- else
- {
- mask = pWin->eventMask | wOtherEventMasks(pWin);
- }
-
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = type;
- event.u.u.detail = detail;
- event.u.enterLeave.time = currentTime.milliseconds;
- event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x;
- event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y;
- /* Counts on the same initial structure of crossing & button events! */
- FixUpEventFromWindow(mouse->spriteInfo->sprite, &event, pWin, None, FALSE);
- /* Enter/Leave events always set child */
- event.u.enterLeave.child = child;
- event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ?
- ELFlagSameScreen : 0;
- event.u.enterLeave.state = mouse->button ? (mouse->button->state & 0x1f00) : 0;
- if (keybd)
- event.u.enterLeave.state |=
- XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
- event.u.enterLeave.mode = mode;
- focus = (keybd) ? keybd->focus->win : None;
- if ((focus != NoneWin) &&
- ((pWin == focus) || (focus == PointerRootWin) ||
- IsParent(focus, pWin)))
- event.u.enterLeave.flags |= ELFlagFocus;
-
- if ((mask & GetEventFilter(mouse, &event)))
- {
- if (grab)
- TryClientEvents(rClient(grab), mouse, &event, 1, mask,
- GetEventFilter(mouse, &event), grab);
- else
- DeliverEventsToWindow(mouse, pWin, &event, 1,
- GetEventFilter(mouse, &event),
- NullGrab);
- }
-
- if ((type == EnterNotify) && (mask & KeymapStateMask))
- {
- xKeymapEvent ke;
- ClientPtr client = grab ? rClient(grab) : wClient(pWin);
- if (XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess))
- memset((char *)&ke.map[0], 0, 31);
- else
- memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31);
-
- ke.type = KeymapNotify;
- if (grab)
- TryClientEvents(rClient(grab), keybd, (xEvent *)&ke, 1,
- mask, KeymapStateMask, grab);
- else
- DeliverEventsToWindow(mouse, pWin, (xEvent *)&ke, 1,
- KeymapStateMask, NullGrab);
- }
-}
-
-void
-DeviceEnterLeaveEvent(
- DeviceIntPtr mouse,
- int sourceid,
- int type,
- int mode,
- int detail,
- WindowPtr pWin,
- Window child)
-{
- GrabPtr grab = mouse->deviceGrab.grab;
- xXIEnterEvent *event;
- int filter;
- int btlen, len, i;
- DeviceIntPtr kbd;
-
- if ((mode == XINotifyPassiveGrab && type == XI_Leave) ||
- (mode == XINotifyPassiveUngrab && type == XI_Enter))
- return;
-
- btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;
- btlen = bytes_to_int32(btlen);
- len = sizeof(xXIEnterEvent) + btlen * 4;
-
- event = calloc(1, len);
- event->type = GenericEvent;
- event->extension = IReqCode;
- event->evtype = type;
- event->length = (len - sizeof(xEvent))/4;
- event->buttons_len = btlen;
- event->detail = detail;
- event->time = currentTime.milliseconds;
- event->deviceid = mouse->id;
- event->sourceid = sourceid;
- event->mode = mode;
- event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0);
- event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0);
-
- for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
- if (BitIsOn(mouse->button->down, i))
- SetBit(&event[1], i);
-
- kbd = (IsMaster(mouse) || mouse->u.master) ? GetPairedDevice(mouse) : NULL;
- if (kbd && kbd->key)
- {
- event->mods.base_mods = kbd->key->xkbInfo->state.base_mods;
- event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods;
- event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods;
-
- event->group.base_group = kbd->key->xkbInfo->state.base_group;
- event->group.latched_group = kbd->key->xkbInfo->state.latched_group;
- event->group.locked_group = kbd->key->xkbInfo->state.locked_group;
- }
-
- FixUpEventFromWindow(mouse->spriteInfo->sprite, (xEvent*)event, pWin,
- None, FALSE);
-
- filter = GetEventFilter(mouse, (xEvent*)event);
-
- if (grab)
- {
- Mask mask;
- mask = grab->xi2mask[XIAllDevices][type/8] |
- grab->xi2mask[XIAllMasterDevices][type/8] |
- grab->xi2mask[mouse->id][type/8];
- TryClientEvents(rClient(grab), mouse, (xEvent*)event, 1, mask,
- filter, grab);
- } else {
- if (!GetWindowXI2Mask(mouse, pWin, (xEvent*)event))
- goto out;
- DeliverEventsToWindow(mouse, pWin, (xEvent*)event, 1, filter,
- NullGrab);
- }
-
-out:
- free(event);
-}
-
-void
-CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin)
-{
- xEvent event;
-
- memset(&event, 0, sizeof(xEvent));
- event.u.focus.mode = mode;
- event.u.u.type = type;
- event.u.u.detail = detail;
- event.u.focus.window = pWin->drawable.id;
-
- DeliverEventsToWindow(dev, pWin, &event, 1,
- GetEventFilter(dev, &event), NullGrab);
- if ((type == FocusIn) &&
- ((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask))
- {
- xKeymapEvent ke;
- ClientPtr client = wClient(pWin);
- if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess))
- memset((char *)&ke.map[0], 0, 31);
- else
- memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
-
- ke.type = KeymapNotify;
- DeliverEventsToWindow(dev, pWin, (xEvent *)&ke, 1,
- KeymapStateMask, NullGrab);
- }
-}
-
-/**
- * Set the input focus to the given window. Subsequent keyboard events will be
- * delivered to the given window.
- *
- * Usually called from ProcSetInputFocus as result of a client request. If so,
- * the device is the inputInfo.keyboard.
- * If called from ProcXSetInputFocus as result of a client xinput request, the
- * device is set to the device specified by the client.
- *
- * @param client Client that requested input focus change.
- * @param dev Focus device.
- * @param focusID The window to obtain the focus. Can be PointerRoot or None.
- * @param revertTo Specifies where the focus reverts to when window becomes
- * unviewable.
- * @param ctime Specifies the time.
- * @param followOK True if pointer is allowed to follow the keyboard.
- */
-int
-SetInputFocus(
- ClientPtr client,
- DeviceIntPtr dev,
- Window focusID,
- CARD8 revertTo,
- Time ctime,
- Bool followOK)
-{
- FocusClassPtr focus;
- WindowPtr focusWin;
- int mode, rc;
- TimeStamp time;
- DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */
-
-
- UpdateCurrentTime();
- if ((revertTo != RevertToParent) &&
- (revertTo != RevertToPointerRoot) &&
- (revertTo != RevertToNone) &&
- ((revertTo != RevertToFollowKeyboard) || !followOK))
- {
- client->errorValue = revertTo;
- return BadValue;
- }
- time = ClientTimeToServerTime(ctime);
-
- if (IsKeyboardDevice(dev))
- keybd = dev;
- else
- keybd = GetPairedDevice(dev);
-
- if ((focusID == None) || (focusID == PointerRoot))
- focusWin = (WindowPtr)(long)focusID;
- else if ((focusID == FollowKeyboard) && followOK)
- {
- focusWin = keybd->focus->win;
- }
- else {
- rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- /* It is a match error to try to set the input focus to an
- unviewable window. */
- if(!focusWin->realized)
- return BadMatch;
- }
- rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixSetFocusAccess);
- if (rc != Success)
- return Success;
-
- focus = dev->focus;
- if ((CompareTimeStamps(time, currentTime) == LATER) ||
- (CompareTimeStamps(time, focus->time) == EARLIER))
- return Success;
- mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed : NotifyNormal;
- if (focus->win == FollowKeyboardWin)
- {
- if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin))
- DoFocusEvents(dev, keybd->focus->win, focusWin, mode);
- } else
- {
- if (!ActivateFocusInGrab(dev, focus->win, focusWin))
- DoFocusEvents(dev, focus->win, focusWin, mode);
- }
- focus->time = time;
- focus->revert = revertTo;
- if (focusID == FollowKeyboard)
- focus->win = FollowKeyboardWin;
- else
- focus->win = focusWin;
- if ((focusWin == NoneWin) || (focusWin == PointerRootWin))
- focus->traceGood = 0;
- else
- {
- int depth = 0;
- WindowPtr pWin;
-
- for (pWin = focusWin; pWin; pWin = pWin->parent) depth++;
- if (depth > focus->traceSize)
- {
- focus->traceSize = depth+1;
- focus->trace = realloc(focus->trace,
- focus->traceSize * sizeof(WindowPtr));
- }
- focus->traceGood = depth;
- for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--)
- focus->trace[depth] = pWin;
- }
- return Success;
-}
-
-/**
- * Server-side protocol handling for SetInputFocus request.
- *
- * Sets the input focus for the virtual core keyboard.
- */
-int
-ProcSetInputFocus(ClientPtr client)
-{
- DeviceIntPtr kbd = PickKeyboard(client);
- REQUEST(xSetInputFocusReq);
-
- REQUEST_SIZE_MATCH(xSetInputFocusReq);
-
- return SetInputFocus(client, kbd, stuff->focus,
- stuff->revertTo, stuff->time, FALSE);
-}
-
-/**
- * Server-side protocol handling for GetInputFocus request.
- *
- * Sends the current input focus for the client's keyboard back to the
- * client.
- */
-int
-ProcGetInputFocus(ClientPtr client)
-{
- DeviceIntPtr kbd = PickKeyboard(client);
- xGetInputFocusReply rep;
- FocusClassPtr focus = kbd->focus;
- int rc;
- /* REQUEST(xReq); */
- REQUEST_SIZE_MATCH(xReq);
-
- rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetFocusAccess);
- if (rc != Success)
- return rc;
-
- memset(&rep, 0, sizeof(xGetInputFocusReply));
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- if (focus->win == NoneWin)
- rep.focus = None;
- else if (focus->win == PointerRootWin)
- rep.focus = PointerRoot;
- else rep.focus = focus->win->drawable.id;
- rep.revertTo = focus->revert;
- WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep);
- return Success;
-}
-
-/**
- * Server-side protocol handling for GrabPointer request.
- *
- * Sets an active grab on the client's ClientPointer and returns success
- * status to client.
- */
-int
-ProcGrabPointer(ClientPtr client)
-{
- xGrabPointerReply rep;
- DeviceIntPtr device = PickPointer(client);
- GrabPtr grab;
- GrabMask mask;
- WindowPtr confineTo;
- CursorPtr oldCursor;
- REQUEST(xGrabPointerReq);
- TimeStamp time;
- int rc;
-
- REQUEST_SIZE_MATCH(xGrabPointerReq);
- UpdateCurrentTime();
-
- if (stuff->eventMask & ~PointerGrabMask)
- {
- client->errorValue = stuff->eventMask;
- return BadValue;
- }
-
- if (stuff->confineTo == None)
- confineTo = NullWindow;
- else
- {
- rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- memset(&rep, 0, sizeof(xGrabPointerReply));
- oldCursor = NullCursor;
- grab = device->deviceGrab.grab;
-
- if (grab)
- {
- if (grab->confineTo && !confineTo)
- ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE,
- FALSE);
- oldCursor = grab->cursor;
- }
-
- mask.core = stuff->eventMask;
-
- rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode,
- stuff->grabWindow, stuff->ownerEvents, stuff->time,
- &mask, GRABTYPE_CORE, stuff->cursor,
- stuff->confineTo, &rep.status);
- if (rc != Success)
- return rc;
-
- if (oldCursor && rep.status == GrabSuccess)
- FreeCursor (oldCursor, (Cursor)0);
-
- time = ClientTimeToServerTime(stuff->time);
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep);
- return Success;
-}
-
-/**
- * Server-side protocol handling for ChangeActivePointerGrab request.
- *
- * Changes properties of the grab hold by the client. If the client does not
- * hold an active grab on the device, nothing happens.
- */
-int
-ProcChangeActivePointerGrab(ClientPtr client)
-{
- DeviceIntPtr device;
- GrabPtr grab;
- CursorPtr newCursor, oldCursor;
- REQUEST(xChangeActivePointerGrabReq);
- TimeStamp time;
-
- REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq);
- if (stuff->eventMask & ~PointerGrabMask)
- {
- client->errorValue = stuff->eventMask;
- return BadValue;
- }
- if (stuff->cursor == None)
- newCursor = NullCursor;
- else
- {
- int rc = dixLookupResourceByType((pointer *)&newCursor, stuff->cursor,
- RT_CURSOR, client, DixUseAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->cursor;
- return rc;
- }
- }
-
- device = PickPointer(client);
- grab = device->deviceGrab.grab;
-
- if (!grab)
- return Success;
- if (!SameClient(grab, client))
- return Success;
- time = ClientTimeToServerTime(stuff->time);
- if ((CompareTimeStamps(time, currentTime) == LATER) ||
- (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
- return Success;
- oldCursor = grab->cursor;
- grab->cursor = newCursor;
- if (newCursor)
- newCursor->refcnt++;
- PostNewCursor(device);
- if (oldCursor)
- FreeCursor(oldCursor, (Cursor)0);
- grab->eventMask = stuff->eventMask;
- return Success;
-}
-
-/**
- * Server-side protocol handling for UngrabPointer request.
- *
- * Deletes a pointer grab on a device the client has grabbed.
- */
-int
-ProcUngrabPointer(ClientPtr client)
-{
- DeviceIntPtr device = PickPointer(client);
- GrabPtr grab;
- TimeStamp time;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- UpdateCurrentTime();
- grab = device->deviceGrab.grab;
-
- time = ClientTimeToServerTime(stuff->id);
- if ((CompareTimeStamps(time, currentTime) != LATER) &&
- (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
- (grab) && SameClient(grab, client))
- (*device->deviceGrab.DeactivateGrab)(device);
- return Success;
-}
-
-/**
- * Sets a grab on the given device.
- *
- * Called from ProcGrabKeyboard to work on the client's keyboard.
- * Called from ProcXGrabDevice to work on the device specified by the client.
- *
- * The parameters this_mode and other_mode represent the keyboard_mode and
- * pointer_mode parameters of XGrabKeyboard().
- * See man page for details on all the parameters
- *
- * @param client Client that owns the grab.
- * @param dev The device to grab.
- * @param this_mode GrabModeSync or GrabModeAsync
- * @param other_mode GrabModeSync or GrabModeAsync
- * @param status Return code to be returned to the caller.
- *
- * @returns Success or BadValue.
- */
-int
-GrabDevice(ClientPtr client, DeviceIntPtr dev,
- unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow,
- unsigned ownerEvents, Time ctime, GrabMask *mask,
- int grabtype, Cursor curs, Window confineToWin, CARD8 *status)
-{
- WindowPtr pWin, confineTo;
- GrabPtr grab;
- TimeStamp time;
- Mask access_mode = DixGrabAccess;
- int rc;
- GrabInfoPtr grabInfo = &dev->deviceGrab;
- CursorPtr cursor;
-
- UpdateCurrentTime();
- if ((keyboard_mode != GrabModeSync) && (keyboard_mode != GrabModeAsync))
- {
- client->errorValue = keyboard_mode;
- return BadValue;
- }
- if ((pointer_mode != GrabModeSync) && (pointer_mode != GrabModeAsync))
- {
- client->errorValue = pointer_mode;
- return BadValue;
- }
- if ((ownerEvents != xFalse) && (ownerEvents != xTrue))
- {
- client->errorValue = ownerEvents;
- return BadValue;
- }
-
- rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (confineToWin == None)
- confineTo = NullWindow;
- else
- {
- rc = dixLookupWindow(&confineTo, confineToWin, client,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- if (curs == None)
- cursor = NullCursor;
- else
- {
- rc = dixLookupResourceByType((pointer *)&cursor, curs, RT_CURSOR,
- client, DixUseAccess);
- if (rc != Success)
- {
- client->errorValue = curs;
- return rc;
- }
- access_mode |= DixForceAccess;
- }
-
- if (keyboard_mode == GrabModeSync || pointer_mode == GrabModeSync)
- access_mode |= DixFreezeAccess;
- rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
- if (rc != Success)
- return rc;
-
- time = ClientTimeToServerTime(ctime);
- grab = grabInfo->grab;
- if (grab && grab->grabtype != grabtype)
- *status = AlreadyGrabbed;
- if (grab && !SameClient(grab, client))
- *status = AlreadyGrabbed;
- else if ((!pWin->realized) ||
- (confineTo &&
- !(confineTo->realized
- && BorderSizeNotEmpty(dev, confineTo))))
- *status = GrabNotViewable;
- else if ((CompareTimeStamps(time, currentTime) == LATER) ||
- (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER))
- *status = GrabInvalidTime;
- else if (grabInfo->sync.frozen &&
- grabInfo->sync.other && !SameClient(grabInfo->sync.other, client))
- *status = GrabFrozen;
- else
- {
- GrabRec tempGrab;
-
- /* Otherwise segfaults happen on grabbed MPX devices */
- memset(&tempGrab, 0, sizeof(GrabRec));
-
- tempGrab.next = NULL;
- tempGrab.window = pWin;
- tempGrab.resource = client->clientAsMask;
- tempGrab.ownerEvents = ownerEvents;
- tempGrab.keyboardMode = keyboard_mode;
- tempGrab.pointerMode = pointer_mode;
- if (grabtype == GRABTYPE_CORE)
- tempGrab.eventMask = mask->core;
- else if (grabtype == GRABTYPE_XI)
- tempGrab.eventMask = mask->xi;
- else
- memcpy(tempGrab.xi2mask, mask->xi2mask, sizeof(tempGrab.xi2mask));
- tempGrab.device = dev;
- tempGrab.cursor = cursor;
- tempGrab.confineTo = confineTo;
- tempGrab.grabtype = grabtype;
- (*grabInfo->ActivateGrab)(dev, &tempGrab, time, FALSE);
- *status = GrabSuccess;
- }
- return Success;
-}
-
-/**
- * Server-side protocol handling for GrabKeyboard request.
- *
- * Grabs the client's keyboard and returns success status to client.
- */
-int
-ProcGrabKeyboard(ClientPtr client)
-{
- xGrabKeyboardReply rep;
- REQUEST(xGrabKeyboardReq);
- int result;
- DeviceIntPtr keyboard = PickKeyboard(client);
- GrabMask mask;
-
- REQUEST_SIZE_MATCH(xGrabKeyboardReq);
-
- memset(&rep, 0, sizeof(xGrabKeyboardReply));
- mask.core = KeyPressMask | KeyReleaseMask;
-
- result = GrabDevice(client, keyboard, stuff->pointerMode,
- stuff->keyboardMode, stuff->grabWindow, stuff->ownerEvents,
- stuff->time, &mask, GRABTYPE_CORE, None, None,
- &rep.status);
-
- if (result != Success)
- return result;
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep);
- return Success;
-}
-
-/**
- * Server-side protocol handling for UngrabKeyboard request.
- *
- * Deletes a possible grab on the client's keyboard.
- */
-int
-ProcUngrabKeyboard(ClientPtr client)
-{
- DeviceIntPtr device = PickKeyboard(client);
- GrabPtr grab;
- TimeStamp time;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- UpdateCurrentTime();
-
- grab = device->deviceGrab.grab;
-
- time = ClientTimeToServerTime(stuff->id);
- if ((CompareTimeStamps(time, currentTime) != LATER) &&
- (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
- (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_CORE)
- (*device->deviceGrab.DeactivateGrab)(device);
- return Success;
-}
-
-/**
- * Server-side protocol handling for QueryPointer request.
- *
- * Returns the current state and position of the client's ClientPointer to the
- * client.
- */
-int
-ProcQueryPointer(ClientPtr client)
-{
- xQueryPointerReply rep;
- WindowPtr pWin, t;
- DeviceIntPtr mouse = PickPointer(client);
- DeviceIntPtr keyboard;
- SpritePtr pSprite;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);
- if (rc != Success && rc != BadAccess)
- return rc;
-
- keyboard = GetPairedDevice(mouse);
-
- pSprite = mouse->spriteInfo->sprite;
- if (mouse->valuator->motionHintWindow)
- MaybeStopHint(mouse, client);
- memset(&rep, 0, sizeof(xQueryPointerReply));
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.mask = mouse->button ? (mouse->button->state) : 0;
- rep.mask |= XkbStateFieldFromRec(&keyboard->key->xkbInfo->state);
- rep.length = 0;
- rep.root = (GetCurrentRootWindow(mouse))->drawable.id;
- rep.rootX = pSprite->hot.x;
- rep.rootY = pSprite->hot.y;
- rep.child = None;
- if (pSprite->hot.pScreen == pWin->drawable.pScreen)
- {
- rep.sameScreen = xTrue;
- rep.winX = pSprite->hot.x - pWin->drawable.x;
- rep.winY = pSprite->hot.y - pWin->drawable.y;
- for (t = pSprite->win; t; t = t->parent)
- if (t->parent == pWin)
- {
- rep.child = t->drawable.id;
- break;
- }
- }
- else
- {
- rep.sameScreen = xFalse;
- rep.winX = 0;
- rep.winY = 0;
- }
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- rep.rootX += screenInfo.screens[0]->x;
- rep.rootY += screenInfo.screens[0]->y;
- if(stuff->id == rep.root) {
- rep.winX += screenInfo.screens[0]->x;
- rep.winY += screenInfo.screens[0]->y;
- }
- }
-#endif
-
- if (rc == BadAccess) {
- rep.mask = 0;
- rep.child = None;
- rep.rootX = 0;
- rep.rootY = 0;
- rep.winX = 0;
- rep.winY = 0;
- }
-
- WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep);
-
- return Success;
-}
-
-/**
- * Initializes the device list and the DIX sprite to sane values. Allocates
- * trace memory used for quick window traversal.
- */
-void
-InitEvents(void)
-{
- int i;
-
- inputInfo.numDevices = 0;
- inputInfo.devices = (DeviceIntPtr)NULL;
- inputInfo.off_devices = (DeviceIntPtr)NULL;
- inputInfo.keyboard = (DeviceIntPtr)NULL;
- inputInfo.pointer = (DeviceIntPtr)NULL;
- /* The mask for pointer motion events may have changed in the last server
- * generation. See comment above definition of filters. */
- filters[0][PointerMotionMask] = MotionNotify;
- for (i = 1; i < MAXDEVICES; i++)
- {
- memcpy(&filters[i], filters[0], sizeof(filters[0]));
- }
-
- syncEvents.replayDev = (DeviceIntPtr)NULL;
- syncEvents.replayWin = NullWindow;
- while (syncEvents.pending)
- {
- QdEventPtr next = syncEvents.pending->next;
- free(syncEvents.pending);
- syncEvents.pending = next;
- }
- syncEvents.pendtail = &syncEvents.pending;
- syncEvents.playingEvents = FALSE;
- syncEvents.time.months = 0;
- syncEvents.time.milliseconds = 0; /* hardly matters */
- currentTime.months = 0;
- currentTime.milliseconds = GetTimeInMillis();
- lastDeviceEventTime = currentTime;
- for (i = 0; i < DNPMCOUNT; i++)
- {
- DontPropagateMasks[i] = 0;
- DontPropagateRefCnts[i] = 0;
- }
-
- InputEventListLen = GetMaximumEventsNum();
- InputEventList = InitEventList(InputEventListLen);
- if (!InputEventList)
- FatalError("[dix] Failed to allocate input event list.\n");
-}
-
-void
-CloseDownEvents(void)
-{
- FreeEventList(InputEventList, InputEventListLen);
- InputEventListLen = 0;
- InputEventList = NULL;
-}
-
-/**
- * Server-side protocol handling for SendEvent request.
- *
- * Locates the window to send the event to and forwards the event.
- */
-int
-ProcSendEvent(ClientPtr client)
-{
- WindowPtr pWin;
- WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
- DeviceIntPtr dev = PickPointer(client);
- DeviceIntPtr keybd = GetPairedDevice(dev);
- SpritePtr pSprite = dev->spriteInfo->sprite;
- REQUEST(xSendEventReq);
-
- REQUEST_SIZE_MATCH(xSendEventReq);
-
- /* The client's event type must be a core event type or one defined by an
- extension. */
-
- if ( ! ((stuff->event.u.u.type > X_Reply &&
- stuff->event.u.u.type < LASTEvent) ||
- (stuff->event.u.u.type >= EXTENSION_EVENT_BASE &&
- stuff->event.u.u.type < (unsigned)lastEvent)))
- {
- client->errorValue = stuff->event.u.u.type;
- return BadValue;
- }
- if (stuff->event.u.u.type == ClientMessage &&
- stuff->event.u.u.detail != 8 &&
- stuff->event.u.u.detail != 16 &&
- stuff->event.u.u.detail != 32)
- {
- client->errorValue = stuff->event.u.u.detail;
- return BadValue;
- }
- if (stuff->eventMask & ~AllEventMasks)
- {
- client->errorValue = stuff->eventMask;
- return BadValue;
- }
-
- if (stuff->destination == PointerWindow)
- pWin = pSprite->win;
- else if (stuff->destination == InputFocus)
- {
- WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin;
-
- if (inputFocus == NoneWin)
- return Success;
-
- /* If the input focus is PointerRootWin, send the event to where
- the pointer is if possible, then perhaps propogate up to root. */
- if (inputFocus == PointerRootWin)
- inputFocus = GetCurrentRootWindow(dev);
-
- if (IsParent(inputFocus, pSprite->win))
- {
- effectiveFocus = inputFocus;
- pWin = pSprite->win;
- }
- else
- effectiveFocus = pWin = inputFocus;
- }
- else
- dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess);
-
- if (!pWin)
- return BadWindow;
- if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue))
- {
- client->errorValue = stuff->propagate;
- return BadValue;
- }
- stuff->event.u.u.type |= 0x80;
- if (stuff->propagate)
- {
- for (;pWin; pWin = pWin->parent)
- {
- if (XaceHook(XACE_SEND_ACCESS, client, NULL, pWin,
- &stuff->event, 1))
- return Success;
- if (DeliverEventsToWindow(dev, pWin,
- &stuff->event, 1, stuff->eventMask, NullGrab))
- return Success;
- if (pWin == effectiveFocus)
- return Success;
- stuff->eventMask &= ~wDontPropagateMask(pWin);
- if (!stuff->eventMask)
- break;
- }
- }
- else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, &stuff->event, 1))
- DeliverEventsToWindow(dev, pWin, &stuff->event,
- 1, stuff->eventMask, NullGrab);
- return Success;
-}
-
-/**
- * Server-side protocol handling for UngrabKey request.
- *
- * Deletes a passive grab for the given key. Works on the
- * client's keyboard.
- */
-int
-ProcUngrabKey(ClientPtr client)
-{
- REQUEST(xUngrabKeyReq);
- WindowPtr pWin;
- GrabRec tempGrab;
- DeviceIntPtr keybd = PickKeyboard(client);
- int rc;
-
- REQUEST_SIZE_MATCH(xUngrabKeyReq);
- rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
- (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
- && (stuff->key != AnyKey))
- {
- client->errorValue = stuff->key;
- return BadValue;
- }
- if ((stuff->modifiers != AnyModifier) &&
- (stuff->modifiers & ~AllModifiersMask))
- {
- client->errorValue = stuff->modifiers;
- return BadValue;
- }
- tempGrab.resource = client->clientAsMask;
- tempGrab.device = keybd;
- tempGrab.window = pWin;
- tempGrab.modifiersDetail.exact = stuff->modifiers;
- tempGrab.modifiersDetail.pMask = NULL;
- tempGrab.modifierDevice = GetPairedDevice(keybd);
- tempGrab.type = KeyPress;
- tempGrab.grabtype = GRABTYPE_CORE;
- tempGrab.detail.exact = stuff->key;
- tempGrab.detail.pMask = NULL;
- tempGrab.next = NULL;
-
- if (!DeletePassiveGrabFromList(&tempGrab))
- return BadAlloc;
- return Success;
-}
-
-/**
- * Server-side protocol handling for GrabKey request.
- *
- * Creates a grab for the client's keyboard and adds it to the list of passive
- * grabs.
- */
-int
-ProcGrabKey(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xGrabKeyReq);
- GrabPtr grab;
- DeviceIntPtr keybd = PickKeyboard(client);
- int rc;
- GrabParameters param;
- GrabMask mask;
-
- REQUEST_SIZE_MATCH(xGrabKeyReq);
-
- memset(&param, 0, sizeof(param));
- param.grabtype = GRABTYPE_CORE;
- param.ownerEvents = stuff->ownerEvents;
- param.this_device_mode = stuff->keyboardMode;
- param.other_devices_mode = stuff->pointerMode;
- param.modifiers = stuff->modifiers;
-
- rc = CheckGrabValues(client, &param);
- if (rc != Success)
- return rc;
-
- if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
- (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
- && (stuff->key != AnyKey))
- {
- client->errorValue = stuff->key;
- return BadValue;
- }
- rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
-
-
- mask.core = (KeyPressMask | KeyReleaseMask);
-
- grab = CreateGrab(client->index, keybd, keybd, pWin, GRABTYPE_CORE, &mask,
- &param, KeyPress, stuff->key, NullWindow, NullCursor);
- if (!grab)
- return BadAlloc;
- return AddPassiveGrabToList(client, grab);
-}
-
-
-/**
- * Server-side protocol handling for GrabButton request.
- *
- * Creates a grab for the client's ClientPointer and adds it as a passive grab
- * to the list.
- */
-int
-ProcGrabButton(ClientPtr client)
-{
- WindowPtr pWin, confineTo;
- REQUEST(xGrabButtonReq);
- CursorPtr cursor;
- GrabPtr grab;
- DeviceIntPtr ptr, modifierDevice;
- Mask access_mode = DixGrabAccess;
- GrabMask mask;
- GrabParameters param;
- int rc;
-
- REQUEST_SIZE_MATCH(xGrabButtonReq);
- if ((stuff->pointerMode != GrabModeSync) &&
- (stuff->pointerMode != GrabModeAsync))
- {
- client->errorValue = stuff->pointerMode;
- return BadValue;
- }
- if ((stuff->keyboardMode != GrabModeSync) &&
- (stuff->keyboardMode != GrabModeAsync))
- {
- client->errorValue = stuff->keyboardMode;
- return BadValue;
- }
- if ((stuff->modifiers != AnyModifier) &&
- (stuff->modifiers & ~AllModifiersMask))
- {
- client->errorValue = stuff->modifiers;
- return BadValue;
- }
- if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
- {
- client->errorValue = stuff->ownerEvents;
- return BadValue;
- }
- if (stuff->eventMask & ~PointerGrabMask)
- {
- client->errorValue = stuff->eventMask;
- return BadValue;
- }
- rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- if (stuff->confineTo == None)
- confineTo = NullWindow;
- else {
- rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
- }
- if (stuff->cursor == None)
- cursor = NullCursor;
- else
- {
- rc = dixLookupResourceByType((pointer *)&cursor, stuff->cursor, RT_CURSOR,
- client, DixUseAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->cursor;
- return rc;
- }
- access_mode |= DixForceAccess;
- }
-
- ptr = PickPointer(client);
- modifierDevice = GetPairedDevice(ptr);
- if (stuff->pointerMode == GrabModeSync ||
- stuff->keyboardMode == GrabModeSync)
- access_mode |= DixFreezeAccess;
- rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, access_mode);
- if (rc != Success)
- return rc;
-
- memset(&param, 0, sizeof(param));
- param.grabtype = GRABTYPE_CORE;
- param.ownerEvents = stuff->ownerEvents;
- param.this_device_mode = stuff->keyboardMode;
- param.other_devices_mode = stuff->pointerMode;
- param.modifiers = stuff->modifiers;
-
- mask.core = stuff->eventMask;
-
- grab = CreateGrab(client->index, ptr, modifierDevice, pWin,
- GRABTYPE_CORE, &mask, &param, ButtonPress,
- stuff->button, confineTo, cursor);
- if (!grab)
- return BadAlloc;
- return AddPassiveGrabToList(client, grab);
-}
-
-/**
- * Server-side protocol handling for UngrabButton request.
- *
- * Deletes a passive grab on the client's ClientPointer from the list.
- */
-int
-ProcUngrabButton(ClientPtr client)
-{
- REQUEST(xUngrabButtonReq);
- WindowPtr pWin;
- GrabRec tempGrab;
- int rc;
- DeviceIntPtr ptr;
-
- REQUEST_SIZE_MATCH(xUngrabButtonReq);
- if ((stuff->modifiers != AnyModifier) &&
- (stuff->modifiers & ~AllModifiersMask))
- {
- client->errorValue = stuff->modifiers;
- return BadValue;
- }
- rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess);
- if (rc != Success)
- return rc;
-
- ptr = PickPointer(client);
-
- tempGrab.resource = client->clientAsMask;
- tempGrab.device = ptr;
- tempGrab.window = pWin;
- tempGrab.modifiersDetail.exact = stuff->modifiers;
- tempGrab.modifiersDetail.pMask = NULL;
- tempGrab.modifierDevice = GetPairedDevice(ptr);
- tempGrab.type = ButtonPress;
- tempGrab.detail.exact = stuff->button;
- tempGrab.grabtype = GRABTYPE_CORE;
- tempGrab.detail.pMask = NULL;
- tempGrab.next = NULL;
-
- if (!DeletePassiveGrabFromList(&tempGrab))
- return BadAlloc;
- return Success;
-}
-
-/**
- * Deactivate any grab that may be on the window, remove the focus.
- * Delete any XInput extension events from the window too. Does not change the
- * window mask. Use just before the window is deleted.
- *
- * If freeResources is set, passive grabs on the window are deleted.
- *
- * @param pWin The window to delete events from.
- * @param freeResources True if resources associated with the window should be
- * deleted.
- */
-void
-DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources)
-{
- WindowPtr parent;
- DeviceIntPtr mouse = inputInfo.pointer;
- DeviceIntPtr keybd = inputInfo.keyboard;
- FocusClassPtr focus;
- OtherClientsPtr oc;
- GrabPtr passive;
- GrabPtr grab;
-
-
- /* Deactivate any grabs performed on this window, before making any
- input focus changes. */
- grab = mouse->deviceGrab.grab;
- if (grab &&
- ((grab->window == pWin) || (grab->confineTo == pWin)))
- (*mouse->deviceGrab.DeactivateGrab)(mouse);
-
-
- /* Deactivating a keyboard grab should cause focus events. */
- grab = keybd->deviceGrab.grab;
- if (grab && (grab->window == pWin))
- (*keybd->deviceGrab.DeactivateGrab)(keybd);
-
- /* And now the real devices */
- for (mouse = inputInfo.devices; mouse; mouse = mouse->next)
- {
- grab = mouse->deviceGrab.grab;
- if (grab && ((grab->window == pWin) || (grab->confineTo == pWin)))
- (*mouse->deviceGrab.DeactivateGrab)(mouse);
- }
-
-
- for (keybd = inputInfo.devices; keybd; keybd = keybd->next)
- {
- if (IsKeyboardDevice(keybd))
- {
- focus = keybd->focus;
-
- /* If the focus window is a root window (ie. has no parent) then don't
- delete the focus from it. */
-
- if ((pWin == focus->win) && (pWin->parent != NullWindow))
- {
- int focusEventMode = NotifyNormal;
-
- /* If a grab is in progress, then alter the mode of focus events. */
-
- if (keybd->deviceGrab.grab)
- focusEventMode = NotifyWhileGrabbed;
-
- switch (focus->revert)
- {
- case RevertToNone:
- DoFocusEvents(keybd, pWin, NoneWin, focusEventMode);
- focus->win = NoneWin;
- focus->traceGood = 0;
- break;
- case RevertToParent:
- parent = pWin;
- do
- {
- parent = parent->parent;
- focus->traceGood--;
- } while (!parent->realized
- /* This would be a good protocol change -- windows being reparented
- during SaveSet processing would cause the focus to revert to the
- nearest enclosing window which will survive the death of the exiting
- client, instead of ending up reverting to a dying window and thence
- to None
- */
-#ifdef NOTDEF
- || wClient(parent)->clientGone
-#endif
- );
- if (!ActivateFocusInGrab(keybd, pWin, parent))
- DoFocusEvents(keybd, pWin, parent, focusEventMode);
- focus->win = parent;
- focus->revert = RevertToNone;
- break;
- case RevertToPointerRoot:
- if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin))
- DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode);
- focus->win = PointerRootWin;
- focus->traceGood = 0;
- break;
- }
- }
- }
-
- if (IsPointerDevice(keybd))
- {
- if (keybd->valuator->motionHintWindow == pWin)
- keybd->valuator->motionHintWindow = NullWindow;
- }
- }
-
- if (freeResources)
- {
- if (pWin->dontPropagate)
- DontPropagateRefCnts[pWin->dontPropagate]--;
- while ( (oc = wOtherClients(pWin)) )
- FreeResource(oc->resource, RT_NONE);
- while ( (passive = wPassiveGrabs(pWin)) )
- FreeResource(passive->resource, RT_NONE);
- }
-
- DeleteWindowFromAnyExtEvents(pWin, freeResources);
-}
-
-/**
- * Call this whenever some window at or below pWin has changed geometry. If
- * there is a grab on the window, the cursor will be re-confined into the
- * window.
- */
-void
-CheckCursorConfinement(WindowPtr pWin)
-{
- GrabPtr grab;
- WindowPtr confineTo;
- DeviceIntPtr pDev;
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return;
-#endif
-
- for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- grab = pDev->deviceGrab.grab;
- if (grab && (confineTo = grab->confineTo))
- {
- if (!BorderSizeNotEmpty(pDev, confineTo))
- (*pDev->deviceGrab.DeactivateGrab)(pDev);
- else if ((pWin == confineTo) || IsParent(pWin, confineTo))
- ConfineCursorToWindow(pDev, confineTo, TRUE, TRUE);
- }
- }
- }
-}
-
-Mask
-EventMaskForClient(WindowPtr pWin, ClientPtr client)
-{
- OtherClientsPtr other;
-
- if (wClient (pWin) == client)
- return pWin->eventMask;
- for (other = wOtherClients(pWin); other; other = other->next)
- {
- if (SameClient(other, client))
- return other->mask;
- }
- return 0;
-}
-
-/**
- * Server-side protocol handling for RecolorCursor request.
- */
-int
-ProcRecolorCursor(ClientPtr client)
-{
- CursorPtr pCursor;
- int rc, nscr;
- ScreenPtr pscr;
- Bool displayed;
- SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
- REQUEST(xRecolorCursorReq);
-
- REQUEST_SIZE_MATCH(xRecolorCursorReq);
- rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR,
- client, DixWriteAccess);
- if (rc != Success)
- {
- client->errorValue = stuff->cursor;
- return rc;
- }
-
- pCursor->foreRed = stuff->foreRed;
- pCursor->foreGreen = stuff->foreGreen;
- pCursor->foreBlue = stuff->foreBlue;
-
- pCursor->backRed = stuff->backRed;
- pCursor->backGreen = stuff->backGreen;
- pCursor->backBlue = stuff->backBlue;
-
- for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
- {
- pscr = screenInfo.screens[nscr];
-#ifdef PANORAMIX
- if(!noPanoramiXExtension)
- displayed = (pscr == pSprite->screen);
- else
-#endif
- displayed = (pscr == pSprite->hotPhys.pScreen);
- ( *pscr->RecolorCursor)(PickPointer(client), pscr, pCursor,
- (pCursor == pSprite->current) && displayed);
- }
- return Success;
-}
-
-/**
- * Write the given events to a client, swapping the byte order if necessary.
- * To swap the byte ordering, a callback is called that has to be set up for
- * the given event type.
- *
- * In the case of DeviceMotionNotify trailed by DeviceValuators, the events
- * can be more than one. Usually it's just one event.
- *
- * Do not modify the event structure passed in. See comment below.
- *
- * @param pClient Client to send events to.
- * @param count Number of events.
- * @param events The event list.
- */
-void
-WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
-{
-#ifdef PANORAMIX
- xEvent eventCopy;
-#endif
- xEvent *eventTo, *eventFrom;
- int i,
- eventlength = sizeof(xEvent);
-
- if (!pClient || pClient == serverClient || pClient->clientGone)
- return;
-
- for (i = 0; i < count; i++)
- if ((events[i].u.u.type & 0x7f) != KeymapNotify)
- events[i].u.u.sequenceNumber = pClient->sequence;
-
- /* Let XKB rewrite the state, as it depends on client preferences. */
- XkbFilterEvents(pClient, count, events);
-
-#ifdef PANORAMIX
- if(!noPanoramiXExtension &&
- (screenInfo.screens[0]->x || screenInfo.screens[0]->y))
- {
- switch(events->u.u.type) {
- case MotionNotify:
- case ButtonPress:
- case ButtonRelease:
- case KeyPress:
- case KeyRelease:
- case EnterNotify:
- case LeaveNotify:
- /*
- When multiple clients want the same event DeliverEventsToWindow
- passes the same event structure multiple times so we can't
- modify the one passed to us
- */
- count = 1; /* should always be 1 */
- memcpy(&eventCopy, events, sizeof(xEvent));
- eventCopy.u.keyButtonPointer.rootX += screenInfo.screens[0]->x;
- eventCopy.u.keyButtonPointer.rootY += screenInfo.screens[0]->y;
- if(eventCopy.u.keyButtonPointer.event ==
- eventCopy.u.keyButtonPointer.root)
- {
- eventCopy.u.keyButtonPointer.eventX += screenInfo.screens[0]->x;
- eventCopy.u.keyButtonPointer.eventY += screenInfo.screens[0]->y;
- }
- events = &eventCopy;
- break;
- default: break;
- }
- }
-#endif
-
- if (EventCallback)
- {
- EventInfoRec eventinfo;
- eventinfo.client = pClient;
- eventinfo.events = events;
- eventinfo.count = count;
- CallCallbacks(&EventCallback, (pointer)&eventinfo);
- }
-#ifdef XSERVER_DTRACE
- if (XSERVER_SEND_EVENT_ENABLED()) {
- for (i = 0; i < count; i++)
- {
- XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i]);
- }
- }
-#endif
- /* Just a safety check to make sure we only have one GenericEvent, it just
- * makes things easier for me right now. (whot) */
- for (i = 1; i < count; i++)
- {
- if (events[i].u.u.type == GenericEvent)
- {
- ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n");
- return;
- }
- }
-
- if (events->u.u.type == GenericEvent)
- {
- eventlength += ((xGenericEvent*)events)->length * 4;
- }
-
- if(pClient->swapped)
- {
- if (eventlength > swapEventLen)
- {
- swapEventLen = eventlength;
- swapEvent = realloc(swapEvent, swapEventLen);
- if (!swapEvent)
- {
- FatalError("WriteEventsToClient: Out of memory.\n");
- return;
- }
- }
-
- for(i = 0; i < count; i++)
- {
- eventFrom = &events[i];
- eventTo = swapEvent;
-
- /* Remember to strip off the leading bit of type in case
- this event was sent with "SendEvent." */
- (*EventSwapVector[eventFrom->u.u.type & 0177])
- (eventFrom, eventTo);
-
- WriteToClient(pClient, eventlength, (char *)eventTo);
- }
- }
- else
- {
- /* only one GenericEvent, remember? that means either count is 1 and
- * eventlength is arbitrary or eventlength is 32 and count doesn't
- * matter. And we're all set. Woohoo. */
- WriteToClient(pClient, count * eventlength, (char *) events);
- }
-}
-
-/*
- * Set the client pointer for the given client.
- *
- * A client can have exactly one ClientPointer. Each time a
- * request/reply/event is processed and the choice of devices is ambiguous
- * (e.g. QueryPointer request), the server will pick the ClientPointer (see
- * PickPointer()).
- * If a keyboard is needed, the first keyboard paired with the CP is used.
- */
-int
-SetClientPointer(ClientPtr client, DeviceIntPtr device)
-{
- int rc = XaceHook(XACE_DEVICE_ACCESS, client, device, DixUseAccess);
- if (rc != Success)
- return rc;
-
- if (!IsMaster(device))
- {
- ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n");
- return BadDevice;
- } else if (!device->spriteInfo->spriteOwner)
- {
- ErrorF("[dix] Device %d does not have a sprite. "
- "Cannot be ClientPointer\n", device->id);
- return BadDevice;
- }
- client->clientPtr = device;
- return Success;
-}
-
-/* PickPointer will pick an appropriate pointer for the given client.
- *
- * An "appropriate device" is (in order of priority):
- * 1) A device the given client has a core grab on.
- * 2) A device set as ClientPointer for the given client.
- * 3) The first master device.
- */
-DeviceIntPtr
-PickPointer(ClientPtr client)
-{
- DeviceIntPtr it = inputInfo.devices;
-
- /* First, check if the client currently has a grab on a device. Even
- * keyboards count. */
- for(it = inputInfo.devices; it; it = it->next)
- {
- GrabPtr grab = it->deviceGrab.grab;
- if (grab && grab->grabtype == GRABTYPE_CORE && SameClient(grab, client))
- {
- it = GetMaster(it, MASTER_POINTER);
- return it; /* Always return a core grabbed device */
- }
- }
-
- if (!client->clientPtr)
- {
- DeviceIntPtr it = inputInfo.devices;
- while (it)
- {
- if (IsMaster(it) && it->spriteInfo->spriteOwner)
- {
- client->clientPtr = it;
- break;
- }
- it = it->next;
- }
- }
- return client->clientPtr;
-}
-
-/* PickKeyboard will pick an appropriate keyboard for the given client by
- * searching the list of devices for the keyboard device that is paired with
- * the client's pointer.
- */
-DeviceIntPtr
-PickKeyboard(ClientPtr client)
-{
- DeviceIntPtr ptr = PickPointer(client);
- DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD);
-
- if (!kbd)
- {
- ErrorF("[dix] ClientPointer not paired with a keyboard. This "
- "is a bug.\n");
- }
-
- return kbd;
-}
-
-/* A client that has one or more core grabs does not get core events from
- * devices it does not have a grab on. Legacy applications behave bad
- * otherwise because they are not used to it and the events interfere.
- * Only applies for core events.
- *
- * Return true if a core event from the device would interfere and should not
- * be delivered.
- */
-Bool
-IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent* event)
-{
- DeviceIntPtr it = inputInfo.devices;
-
- switch(event->u.u.type)
- {
- case KeyPress:
- case KeyRelease:
- case ButtonPress:
- case ButtonRelease:
- case MotionNotify:
- case EnterNotify:
- case LeaveNotify:
- break;
- default:
- return FALSE;
- }
-
- if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
- return FALSE;
-
- while(it)
- {
- if (it != dev)
- {
- if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)
- && !it->deviceGrab.fromPassiveGrab)
- {
- if ((IsPointerDevice(it) && IsPointerDevice(dev)) ||
- (IsKeyboardDevice(it) && IsKeyboardDevice(dev)))
- return TRUE;
- }
- }
- it = it->next;
- }
-
- return FALSE;
-}
-
+/************************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+/*
+ * Copyright (c) 2003-2005, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/** @file events.c
+ * This file handles event delivery and a big part of the server-side protocol
+ * handling (the parts for input devices).
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include "resource.h"
+#include <X11/Xproto.h>
+#include "windowstr.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+
+#include "dixstruct.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "globals.h"
+
+#include <X11/extensions/XKBproto.h>
+#include "xkbsrv.h"
+#include "xace.h"
+
+#ifdef XSERVER_DTRACE
+#include <sys/types.h>
+typedef const char *string;
+#include "Xserver-dtrace.h"
+#endif
+
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XI2.h>
+#include "exglobals.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "extnsionst.h"
+
+#include "dixevents.h"
+#include "dixgrabs.h"
+#include "dispatch.h"
+
+#include <X11/extensions/ge.h>
+#include "geext.h"
+#include "geint.h"
+
+#include "eventstr.h"
+#include "enterleave.h"
+#include "eventconvert.h"
+
+/* Extension events type numbering starts at EXTENSION_EVENT_BASE. */
+#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */
+#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask )
+#define AllButtonsMask ( \
+ Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+#define MotionMask ( \
+ PointerMotionMask | Button1MotionMask | \
+ Button2MotionMask | Button3MotionMask | Button4MotionMask | \
+ Button5MotionMask | ButtonMotionMask )
+#define PropagateMask ( \
+ KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
+ MotionMask )
+#define PointerGrabMask ( \
+ ButtonPressMask | ButtonReleaseMask | \
+ EnterWindowMask | LeaveWindowMask | \
+ PointerMotionHintMask | KeymapStateMask | \
+ MotionMask )
+#define AllModifiersMask ( \
+ ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+ Mod3Mask | Mod4Mask | Mod5Mask )
+#define LastEventMask OwnerGrabButtonMask
+#define AllEventMasks (LastEventMask|(LastEventMask-1))
+
+
+#define CORE_EVENT(event) \
+ (!((event)->u.u.type & EXTENSION_EVENT_BASE) && \
+ (event)->u.u.type != GenericEvent)
+#define XI2_EVENT(event) \
+ (((event)->u.u.type == GenericEvent) && \
+ ((xGenericEvent*)(event))->extension == IReqCode)
+
+/**
+ * Used to indicate a implicit passive grab created by a ButtonPress event.
+ * See DeliverEventsToWindow().
+ */
+#define ImplicitGrabMask (1 << 7)
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+
+#define XE_KBPTR (xE->u.keyButtonPointer)
+
+
+CallbackListPtr EventCallback;
+CallbackListPtr DeviceEventCallback;
+
+#define DNPMCOUNT 8
+
+Mask DontPropagateMasks[DNPMCOUNT];
+static int DontPropagateRefCnts[DNPMCOUNT];
+
+static void CheckVirtualMotion( DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin);
+static void CheckPhysLimits(DeviceIntPtr pDev,
+ CursorPtr cursor,
+ Bool generateEvents,
+ Bool confineToScreen,
+ ScreenPtr pScreen);
+
+/** Key repeat hack. Do not use but in TryClientEvents */
+extern BOOL EventIsKeyRepeat(xEvent *event);
+
+/**
+ * Main input device struct.
+ * inputInfo.pointer
+ * is the core pointer. Referred to as "virtual core pointer", "VCP",
+ * "core pointer" or inputInfo.pointer. The VCP is the first master
+ * pointer device and cannot be deleted.
+ *
+ * inputInfo.keyboard
+ * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard").
+ * See inputInfo.pointer.
+ *
+ * inputInfo.devices
+ * linked list containing all devices including VCP and VCK.
+ *
+ * inputInfo.off_devices
+ * Devices that have not been initialized and are thus turned off.
+ *
+ * inputInfo.numDevices
+ * Total number of devices.
+ *
+ * inputInfo.all_devices
+ * Virtual device used for XIAllDevices passive grabs. This device is
+ * not part of the inputInfo.devices list and mostly unset except for
+ * the deviceid. It exists because passivegrabs need a valid device
+ * reference.
+ *
+ * inputInfo.all_master_devices
+ * Virtual device used for XIAllMasterDevices passive grabs. This device
+ * is not part of the inputInfo.devices list and mostly unset except for
+ * the deviceid. It exists because passivegrabs need a valid device
+ * reference.
+ */
+InputInfo inputInfo;
+
+EventSyncInfoRec syncEvents;
+
+/**
+ * The root window the given device is currently on.
+ */
+#define RootWindow(sprite) sprite->spriteTrace[0]
+
+static xEvent* swapEvent = NULL;
+static int swapEventLen = 0;
+
+void
+NotImplemented(xEvent *from, xEvent *to)
+{
+ FatalError("Not implemented");
+}
+
+/**
+ * Convert the given event type from an XI event to a core event.
+ * @param[in] The XI 1.x event type.
+ * @return The matching core event type or 0 if there is none.
+ */
+int
+XItoCoreType(int xitype)
+{
+ int coretype = 0;
+ if (xitype == DeviceMotionNotify)
+ coretype = MotionNotify;
+ else if (xitype == DeviceButtonPress)
+ coretype = ButtonPress;
+ else if (xitype == DeviceButtonRelease)
+ coretype = ButtonRelease;
+ else if (xitype == DeviceKeyPress)
+ coretype = KeyPress;
+ else if (xitype == DeviceKeyRelease)
+ coretype = KeyRelease;
+
+ return coretype;
+}
+
+/**
+ * @return true if the device owns a cursor, false if device shares a cursor
+ * sprite with another device.
+ */
+Bool
+DevHasCursor(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->spriteOwner;
+}
+
+/*
+ * @return true if a device is a pointer, check is the same as used by XI to
+ * fill the 'use' field.
+ */
+Bool
+IsPointerDevice(DeviceIntPtr dev)
+{
+ return (dev->type == MASTER_POINTER) ||
+ (dev->valuator && dev->button) ||
+ (dev->valuator && !dev->key);
+}
+
+/*
+ * @return true if a device is a keyboard, check is the same as used by XI to
+ * fill the 'use' field.
+ *
+ * Some pointer devices have keys as well (e.g. multimedia keys). Try to not
+ * count them as keyboard devices.
+ */
+Bool
+IsKeyboardDevice(DeviceIntPtr dev)
+{
+ return (dev->type == MASTER_KEYBOARD) ||
+ ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev));
+}
+
+Bool
+IsMaster(DeviceIntPtr dev)
+{
+ return dev->type == MASTER_POINTER || dev->type == MASTER_KEYBOARD;
+}
+
+Bool
+IsFloating(DeviceIntPtr dev)
+{
+ return GetMaster(dev, MASTER_KEYBOARD) == NULL;
+}
+
+
+/**
+ * Max event opcode.
+ */
+extern int lastEvent;
+
+extern int DeviceMotionNotify;
+
+#define CantBeFiltered NoEventMask
+/**
+ * Event masks for each event type.
+ *
+ * One set of filters for each device, but only the first layer
+ * is initialized. The rest is memcpy'd in InitEvents.
+ *
+ * Filters are used whether a given event may be delivered to a client,
+ * usually in the form of if (window-event-mask & filter); then deliver event.
+ *
+ * One notable filter is for PointerMotion/DevicePointerMotion events. Each
+ * time a button is pressed, the filter is modified to also contain the
+ * matching ButtonXMotion mask.
+ */
+static Mask filters[MAXDEVICES][128] = {
+{
+ NoSuchEvent, /* 0 */
+ NoSuchEvent, /* 1 */
+ KeyPressMask, /* KeyPress */
+ KeyReleaseMask, /* KeyRelease */
+ ButtonPressMask, /* ButtonPress */
+ ButtonReleaseMask, /* ButtonRelease */
+ PointerMotionMask, /* MotionNotify (initial state) */
+ EnterWindowMask, /* EnterNotify */
+ LeaveWindowMask, /* LeaveNotify */
+ FocusChangeMask, /* FocusIn */
+ FocusChangeMask, /* FocusOut */
+ KeymapStateMask, /* KeymapNotify */
+ ExposureMask, /* Expose */
+ CantBeFiltered, /* GraphicsExpose */
+ CantBeFiltered, /* NoExpose */
+ VisibilityChangeMask, /* VisibilityNotify */
+ SubstructureNotifyMask, /* CreateNotify */
+ StructureAndSubMask, /* DestroyNotify */
+ StructureAndSubMask, /* UnmapNotify */
+ StructureAndSubMask, /* MapNotify */
+ SubstructureRedirectMask, /* MapRequest */
+ StructureAndSubMask, /* ReparentNotify */
+ StructureAndSubMask, /* ConfigureNotify */
+ SubstructureRedirectMask, /* ConfigureRequest */
+ StructureAndSubMask, /* GravityNotify */
+ ResizeRedirectMask, /* ResizeRequest */
+ StructureAndSubMask, /* CirculateNotify */
+ SubstructureRedirectMask, /* CirculateRequest */
+ PropertyChangeMask, /* PropertyNotify */
+ CantBeFiltered, /* SelectionClear */
+ CantBeFiltered, /* SelectionRequest */
+ CantBeFiltered, /* SelectionNotify */
+ ColormapChangeMask, /* ColormapNotify */
+ CantBeFiltered, /* ClientMessage */
+ CantBeFiltered /* MappingNotify */
+}};
+
+/**
+ * For the given event, return the matching event filter. This filter may then
+ * be AND'ed with the selected event mask.
+ *
+ * For XI2 events, the returned filter is simply the byte containing the event
+ * mask we're interested in. E.g. for a mask of (1 << 13), this would be
+ * byte[1].
+ *
+ * @param[in] dev The device the event belongs to, may be NULL.
+ * @param[in] event The event to get the filter for. Only the type of the
+ * event matters, or the extension + evtype for GenericEvents.
+ * @return The filter mask for the given event.
+ *
+ * @see GetEventMask
+ */
+Mask
+GetEventFilter(DeviceIntPtr dev, xEvent *event)
+{
+ if (event->u.u.type != GenericEvent)
+ return filters[dev ? dev->id : 0][event->u.u.type];
+ else if (XI2_EVENT(event))
+ return (1 << (((xXIDeviceEvent*)event)->evtype % 8));
+ ErrorF("[dix] Unknown device type %d. No filter\n", event->u.u.type);
+ return 0;
+}
+
+/**
+ * Return the windows complete XI2 mask for the given XI2 event type.
+ */
+Mask
+GetWindowXI2Mask(DeviceIntPtr dev, WindowPtr win, xEvent* ev)
+{
+ OtherInputMasks *inputMasks = wOtherInputMasks(win);
+ int filter;
+ int evtype;
+
+ if (!inputMasks || !XI2_EVENT(ev))
+ return 0;
+
+ evtype = ((xGenericEvent*)ev)->evtype;
+ filter = GetEventFilter(dev, ev);
+
+ return ((inputMasks->xi2mask[dev->id][evtype/8] & filter) ||
+ inputMasks->xi2mask[XIAllDevices][evtype/8] ||
+ (inputMasks->xi2mask[XIAllMasterDevices][evtype/8] && IsMaster(dev)));
+}
+
+Mask
+GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients* other)
+{
+ /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */
+ if (XI2_EVENT(event))
+ {
+ int byte = ((xGenericEvent*)event)->evtype / 8;
+ return (other->xi2mask[dev->id][byte] |
+ other->xi2mask[XIAllDevices][byte] |
+ (IsMaster(dev)? other->xi2mask[XIAllMasterDevices][byte] : 0));
+ } else if (CORE_EVENT(event))
+ return other->mask[XIAllDevices];
+ else
+ return other->mask[dev->id];
+}
+
+
+static CARD8 criticalEvents[32] =
+{
+ 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */
+};
+
+static void
+SyntheticMotion(DeviceIntPtr dev, int x, int y) {
+ int screenno = 0;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ screenno = dev->spriteInfo->sprite->screen->myNum;
+#endif
+ PostSyntheticMotion(dev, x, y, screenno,
+ (syncEvents.playingEvents) ? syncEvents.time.milliseconds : currentTime.milliseconds);
+
+}
+
+#ifdef PANORAMIX
+static void PostNewCursor(DeviceIntPtr pDev);
+
+static Bool
+pointOnScreen(ScreenPtr pScreen, int x, int y)
+{
+ return x >= pScreen->x && x < pScreen->x + pScreen->width &&
+ y >= pScreen->y && y < pScreen->y + pScreen->height;
+}
+
+static Bool
+XineramaSetCursorPosition(
+ DeviceIntPtr pDev,
+ int x,
+ int y,
+ Bool generateEvent
+){
+ ScreenPtr pScreen;
+ int i;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ /* x,y are in Screen 0 coordinates. We need to decide what Screen
+ to send the message too and what the coordinates relative to
+ that screen are. */
+
+ pScreen = pSprite->screen;
+ x += screenInfo.screens[0]->x;
+ y += screenInfo.screens[0]->y;
+
+ if(!pointOnScreen(pScreen, x, y))
+ {
+ FOR_NSCREENS(i)
+ {
+ if(i == pScreen->myNum)
+ continue;
+ if(pointOnScreen(screenInfo.screens[i], x, y))
+ {
+ pScreen = screenInfo.screens[i];
+ break;
+ }
+ }
+ }
+
+ pSprite->screen = pScreen;
+ pSprite->hotPhys.x = x - screenInfo.screens[0]->x;
+ pSprite->hotPhys.y = y - screenInfo.screens[0]->y;
+ x -= pScreen->x;
+ y -= pScreen->y;
+
+ return (*pScreen->SetCursorPosition)(pDev, pScreen, x, y, generateEvent);
+}
+
+
+static void
+XineramaConstrainCursor(DeviceIntPtr pDev)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ ScreenPtr pScreen;
+ BoxRec newBox;
+
+ pScreen = pSprite->screen;
+ newBox = pSprite->physLimits;
+
+ /* Translate the constraining box to the screen
+ the sprite is actually on */
+ newBox.x1 += screenInfo.screens[0]->x - pScreen->x;
+ newBox.x2 += screenInfo.screens[0]->x - pScreen->x;
+ newBox.y1 += screenInfo.screens[0]->y - pScreen->y;
+ newBox.y2 += screenInfo.screens[0]->y - pScreen->y;
+
+ (* pScreen->ConstrainCursor)(pDev, pScreen, &newBox);
+}
+
+
+static Bool
+XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if(pWin == screenInfo.screens[0]->root) {
+ int i;
+ for (i = 0; i < PanoramiXNumScreens; i++)
+ pSprite->windows[i] = screenInfo.screens[i]->root;
+ } else {
+ PanoramiXRes *win;
+ int rc, i;
+
+ rc = dixLookupResourceByType((pointer *)&win, pWin->drawable.id,
+ XRT_WINDOW, serverClient, DixReadAccess);
+ if (rc != Success)
+ return FALSE;
+
+ for(i = 0; i < PanoramiXNumScreens; i++) {
+ rc = dixLookupWindow(pSprite->windows + i, win->info[i].id,
+ serverClient, DixReadAccess);
+ if (rc != Success) /* window is being unmapped */
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+static void
+XineramaConfineCursorToWindow(DeviceIntPtr pDev,
+ WindowPtr pWin,
+ Bool generateEvents)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ int x, y, off_x, off_y, i;
+
+ if(!XineramaSetWindowPntrs(pDev, pWin))
+ return;
+
+ i = PanoramiXNumScreens - 1;
+
+ RegionCopy(&pSprite->Reg1,
+ &pSprite->windows[i]->borderSize);
+ off_x = screenInfo.screens[i]->x;
+ off_y = screenInfo.screens[i]->y;
+
+ while(i--) {
+ x = off_x - screenInfo.screens[i]->x;
+ y = off_y - screenInfo.screens[i]->y;
+
+ if(x || y)
+ RegionTranslate(&pSprite->Reg1, x, y);
+
+ RegionUnion(&pSprite->Reg1, &pSprite->Reg1,
+ &pSprite->windows[i]->borderSize);
+
+ off_x = screenInfo.screens[i]->x;
+ off_y = screenInfo.screens[i]->y;
+ }
+
+ pSprite->hotLimits = *RegionExtents(&pSprite->Reg1);
+
+ if(RegionNumRects(&pSprite->Reg1) > 1)
+ pSprite->hotShape = &pSprite->Reg1;
+ else
+ pSprite->hotShape = NullRegion;
+
+ pSprite->confined = FALSE;
+ pSprite->confineWin = (pWin == screenInfo.screens[0]->root) ? NullWindow : pWin;
+
+ CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE, NULL);
+}
+
+#endif /* PANORAMIX */
+
+/**
+ * Modifies the filter for the given protocol event type to the given masks.
+ *
+ * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent().
+ * The latter initialises masks for the matching XI events, it's a once-off
+ * setting.
+ * UDS however changes the mask for MotionNotify and DeviceMotionNotify each
+ * time a button is pressed to include the matching ButtonXMotion mask in the
+ * filter.
+ *
+ * @param[in] deviceid The device to modify the filter for.
+ * @param[in] mask The new filter mask.
+ * @param[in] event Protocol event type.
+ */
+void
+SetMaskForEvent(int deviceid, Mask mask, int event)
+{
+ if (deviceid < 0 || deviceid >= MAXDEVICES)
+ FatalError("SetMaskForEvent: bogus device id");
+ filters[deviceid][event] = mask;
+}
+
+void
+SetCriticalEvent(int event)
+{
+ if (event >= 128)
+ FatalError("SetCriticalEvent: bogus event number");
+ criticalEvents[event >> 3] |= 1 << (event & 7);
+}
+
+void
+ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py)
+{
+ BoxRec box;
+ int x = *px, y = *py;
+ int incx = 1, incy = 1;
+ SpritePtr pSprite;
+
+ pSprite = pDev->spriteInfo->sprite;
+ if (RegionContainsPoint(shape, x, y, &box))
+ return;
+ box = *RegionExtents(shape);
+ /* this is rather crude */
+ do {
+ x += incx;
+ if (x >= box.x2)
+ {
+ incx = -1;
+ x = *px - 1;
+ }
+ else if (x < box.x1)
+ {
+ incx = 1;
+ x = *px;
+ y += incy;
+ if (y >= box.y2)
+ {
+ incy = -1;
+ y = *py - 1;
+ }
+ else if (y < box.y1)
+ return; /* should never get here! */
+ }
+ } while (!RegionContainsPoint(shape, x, y, &box));
+ *px = x;
+ *py = y;
+}
+
+static void
+CheckPhysLimits(
+ DeviceIntPtr pDev,
+ CursorPtr cursor,
+ Bool generateEvents,
+ Bool confineToScreen, /* unused if PanoramiX on */
+ ScreenPtr pScreen) /* unused if PanoramiX on */
+{
+ HotSpot new;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if (!cursor)
+ return;
+ new = pSprite->hotPhys;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ /* I don't care what the DDX has to say about it */
+ pSprite->physLimits = pSprite->hotLimits;
+ else
+#endif
+ {
+ if (pScreen)
+ new.pScreen = pScreen;
+ else
+ pScreen = new.pScreen;
+ (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits,
+ &pSprite->physLimits);
+ pSprite->confined = confineToScreen;
+ (* pScreen->ConstrainCursor)(pDev, pScreen, &pSprite->physLimits);
+ }
+
+ /* constrain the pointer to those limits */
+ if (new.x < pSprite->physLimits.x1)
+ new.x = pSprite->physLimits.x1;
+ else
+ if (new.x >= pSprite->physLimits.x2)
+ new.x = pSprite->physLimits.x2 - 1;
+ if (new.y < pSprite->physLimits.y1)
+ new.y = pSprite->physLimits.y1;
+ else
+ if (new.y >= pSprite->physLimits.y2)
+ new.y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y);
+ if ((
+#ifdef PANORAMIX
+ noPanoramiXExtension &&
+#endif
+ (pScreen != pSprite->hotPhys.pScreen)) ||
+ (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))
+ {
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ if (pScreen && ((new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)))
+ XineramaSetCursorPosition (pDev, new.x, new.y, generateEvents);
+ }
+ else
+#endif
+ {
+ if (pScreen != pSprite->hotPhys.pScreen)
+ pSprite->hotPhys = new;
+ (*pScreen->SetCursorPosition)
+ (pDev, pScreen, new.x, new.y, generateEvents);
+ }
+ if (!generateEvents)
+ SyntheticMotion(pDev, new.x, new.y);
+ }
+
+#ifdef PANORAMIX
+ /* Tell DDX what the limits are */
+ if (!noPanoramiXExtension)
+ XineramaConstrainCursor(pDev);
+#endif
+}
+
+static void
+CheckVirtualMotion(
+ DeviceIntPtr pDev,
+ QdEventPtr qe,
+ WindowPtr pWin)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ RegionPtr reg = NULL;
+ DeviceEvent *ev = NULL;
+
+ if (qe)
+ {
+ ev = &qe->event->device_event;
+ switch(ev->type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ pSprite->hot.pScreen = qe->pScreen;
+ pSprite->hot.x = ev->root_x;
+ pSprite->hot.y = ev->root_y;
+ pWin = pDev->deviceGrab.grab ? pDev->deviceGrab.grab->confineTo : NullWindow;
+ break;
+ default:
+ break;
+ }
+ }
+ if (pWin)
+ {
+ BoxRec lims;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ int x, y, off_x, off_y, i;
+
+ if(!XineramaSetWindowPntrs(pDev, pWin))
+ return;
+
+ i = PanoramiXNumScreens - 1;
+
+ RegionCopy(&pSprite->Reg2,
+ &pSprite->windows[i]->borderSize);
+ off_x = screenInfo.screens[i]->x;
+ off_y = screenInfo.screens[i]->y;
+
+ while(i--) {
+ x = off_x - screenInfo.screens[i]->x;
+ y = off_y - screenInfo.screens[i]->y;
+
+ if(x || y)
+ RegionTranslate(&pSprite->Reg2, x, y);
+
+ RegionUnion(&pSprite->Reg2, &pSprite->Reg2,
+ &pSprite->windows[i]->borderSize);
+
+ off_x = screenInfo.screens[i]->x;
+ off_y = screenInfo.screens[i]->y;
+ }
+ } else
+#endif
+ {
+ if (pSprite->hot.pScreen != pWin->drawable.pScreen)
+ {
+ pSprite->hot.pScreen = pWin->drawable.pScreen;
+ pSprite->hot.x = pSprite->hot.y = 0;
+ }
+ }
+
+ lims = *RegionExtents(&pWin->borderSize);
+ if (pSprite->hot.x < lims.x1)
+ pSprite->hot.x = lims.x1;
+ else if (pSprite->hot.x >= lims.x2)
+ pSprite->hot.x = lims.x2 - 1;
+ if (pSprite->hot.y < lims.y1)
+ pSprite->hot.y = lims.y1;
+ else if (pSprite->hot.y >= lims.y2)
+ pSprite->hot.y = lims.y2 - 1;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ if (RegionNumRects(&pSprite->Reg2) > 1)
+ reg = &pSprite->Reg2;
+
+ } else
+#endif
+ {
+ if (wBoundingShape(pWin))
+ reg = &pWin->borderSize;
+ }
+
+ if (reg)
+ ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y);
+
+ if (qe && ev)
+ {
+ qe->pScreen = pSprite->hot.pScreen;
+ ev->root_x = pSprite->hot.x;
+ ev->root_y = pSprite->hot.y;
+ }
+ }
+#ifdef PANORAMIX
+ if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */
+#endif
+ RootWindow(pDev->spriteInfo->sprite) = pSprite->hot.pScreen->root;
+}
+
+static void
+ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, Bool confineToScreen)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if (syncEvents.playingEvents)
+ {
+ CheckVirtualMotion(pDev, (QdEventPtr)NULL, pWin);
+ SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y);
+ }
+ else
+ {
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ XineramaConfineCursorToWindow(pDev, pWin, generateEvents);
+ return;
+ }
+#endif
+ pSprite->hotLimits = *RegionExtents(&pWin->borderSize);
+ pSprite->hotShape = wBoundingShape(pWin) ? &pWin->borderSize
+ : NullRegion;
+ CheckPhysLimits(pDev, pSprite->current, generateEvents,
+ confineToScreen, pWin->drawable.pScreen);
+ }
+}
+
+Bool
+PointerConfinedToScreen(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->confined;
+}
+
+/**
+ * Update the sprite cursor to the given cursor.
+ *
+ * ChangeToCursor() will display the new cursor and free the old cursor (if
+ * applicable). If the provided cursor is already the updated cursor, nothing
+ * happens.
+ */
+static void
+ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ ScreenPtr pScreen;
+
+ if (cursor != pSprite->current)
+ {
+ if ((pSprite->current->bits->xhot != cursor->bits->xhot) ||
+ (pSprite->current->bits->yhot != cursor->bits->yhot))
+ CheckPhysLimits(pDev, cursor, FALSE, pSprite->confined,
+ (ScreenPtr)NULL);
+#ifdef PANORAMIX
+ /* XXX: is this really necessary?? (whot) */
+ if (!noPanoramiXExtension)
+ pScreen = pSprite->screen;
+ else
+#endif
+ pScreen = pSprite->hotPhys.pScreen;
+
+ (*pScreen->DisplayCursor)(pDev, pScreen, cursor);
+ FreeCursor(pSprite->current, (Cursor)0);
+ pSprite->current = cursor;
+ pSprite->current->refcnt++;
+ }
+}
+
+/**
+ * @returns true if b is a descendent of a
+ */
+Bool
+IsParent(WindowPtr a, WindowPtr b)
+{
+ for (b = b->parent; b; b = b->parent)
+ if (b == a) return TRUE;
+ return FALSE;
+}
+
+/**
+ * Update the cursor displayed on the screen.
+ *
+ * Called whenever a cursor may have changed shape or position.
+ */
+static void
+PostNewCursor(DeviceIntPtr pDev)
+{
+ WindowPtr win;
+ GrabPtr grab = pDev->deviceGrab.grab;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ CursorPtr pCursor;
+
+ if (syncEvents.playingEvents)
+ return;
+ if (grab)
+ {
+ if (grab->cursor)
+ {
+ ChangeToCursor(pDev, grab->cursor);
+ return;
+ }
+ if (IsParent(grab->window, pSprite->win))
+ win = pSprite->win;
+ else
+ win = grab->window;
+ }
+ else
+ win = pSprite->win;
+ for (; win; win = win->parent)
+ {
+ if (win->optional)
+ {
+ pCursor = WindowGetDeviceCursor(win, pDev);
+ if (!pCursor && win->optional->cursor != NullCursor)
+ pCursor = win->optional->cursor;
+ if (pCursor)
+ {
+ ChangeToCursor(pDev, pCursor);
+ return;
+ }
+ }
+ }
+}
+
+
+/**
+ * @param dev device which you want to know its current root window
+ * @return root window where dev's sprite is located
+ */
+WindowPtr
+GetCurrentRootWindow(DeviceIntPtr dev)
+{
+ return RootWindow(dev->spriteInfo->sprite);
+}
+
+/**
+ * @return window underneath the cursor sprite.
+ */
+WindowPtr
+GetSpriteWindow(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->win;
+}
+
+/**
+ * @return current sprite cursor.
+ */
+CursorPtr
+GetSpriteCursor(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->current;
+}
+
+/**
+ * Set x/y current sprite position in screen coordinates.
+ */
+void
+GetSpritePosition(DeviceIntPtr pDev, int *px, int *py)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ *px = pSprite->hotPhys.x;
+ *py = pSprite->hotPhys.y;
+}
+
+#ifdef PANORAMIX
+int
+XineramaGetCursorScreen(DeviceIntPtr pDev)
+{
+ if(!noPanoramiXExtension) {
+ return pDev->spriteInfo->sprite->screen->myNum;
+ } else {
+ return 0;
+ }
+}
+#endif /* PANORAMIX */
+
+#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */
+
+static void
+MonthChangedOrBadTime(InternalEvent *ev)
+{
+ /* If the ddx/OS is careless about not processing timestamped events from
+ * different sources in sorted order, then it's possible for time to go
+ * backwards when it should not. Here we ensure a decent time.
+ */
+ if ((currentTime.milliseconds - ev->any.time) > TIMESLOP)
+ currentTime.months++;
+ else
+ ev->any.time = currentTime.milliseconds;
+}
+
+static void
+NoticeTime(InternalEvent *ev)
+{
+ if (ev->any.time < currentTime.milliseconds)
+ MonthChangedOrBadTime(ev);
+ currentTime.milliseconds = ev->any.time;
+ lastDeviceEventTime = currentTime;
+}
+
+void
+NoticeEventTime(InternalEvent *ev)
+{
+ if (!syncEvents.playingEvents)
+ NoticeTime(ev);
+}
+
+/**************************************************************************
+ * The following procedures deal with synchronous events *
+ **************************************************************************/
+
+/**
+ * EnqueueEvent is a device's processInputProc if a device is frozen.
+ * Instead of delivering the events to the client, the event is tacked onto a
+ * linked list for later delivery.
+ */
+void
+EnqueueEvent(InternalEvent *ev, DeviceIntPtr device)
+{
+ QdEventPtr tail = *syncEvents.pendtail;
+ QdEventPtr qe;
+ SpritePtr pSprite = device->spriteInfo->sprite;
+ int eventlen;
+ DeviceEvent *event = &ev->device_event;
+
+ NoticeTime((InternalEvent*)event);
+
+ /* Fix for key repeating bug. */
+ if (device->key != NULL && device->key->xkbInfo != NULL &&
+ event->type == ET_KeyRelease)
+ AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key);
+
+ if (DeviceEventCallback)
+ {
+ DeviceEventInfoRec eventinfo;
+
+ /* The RECORD spec says that the root window field of motion events
+ * must be valid. At this point, it hasn't been filled in yet, so
+ * we do it here. The long expression below is necessary to get
+ * the current root window; the apparently reasonable alternative
+ * GetCurrentRootWindow()->drawable.id doesn't give you the right
+ * answer on the first motion event after a screen change because
+ * the data that GetCurrentRootWindow relies on hasn't been
+ * updated yet.
+ */
+ if (ev->any.type == ET_Motion)
+ ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id;
+
+ eventinfo.event = ev;
+ eventinfo.device = device;
+ CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+ }
+
+ if (event->type == ET_Motion)
+ {
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ event->root_x += pSprite->screen->x - screenInfo.screens[0]->x;
+ event->root_y += pSprite->screen->y - screenInfo.screens[0]->y;
+ }
+#endif
+ pSprite->hotPhys.x = event->root_x;
+ pSprite->hotPhys.y = event->root_y;
+ /* do motion compression, but not if from different devices */
+ if (tail &&
+ (tail->event->any.type == ET_Motion) &&
+ (tail->device == device) &&
+ (tail->pScreen == pSprite->hotPhys.pScreen))
+ {
+ DeviceEvent *tailev = &tail->event->device_event;
+ tailev->root_x = pSprite->hotPhys.x;
+ tailev->root_y = pSprite->hotPhys.y;
+ tailev->time = event->time;
+ tail->months = currentTime.months;
+ return;
+ }
+ }
+
+ eventlen = event->length;
+
+ qe = malloc(sizeof(QdEventRec) + eventlen);
+ if (!qe)
+ return;
+ qe->next = (QdEventPtr)NULL;
+ qe->device = device;
+ qe->pScreen = pSprite->hotPhys.pScreen;
+ qe->months = currentTime.months;
+ qe->event = (InternalEvent *)(qe + 1);
+ memcpy(qe->event, event, eventlen);
+ if (tail)
+ syncEvents.pendtail = &tail->next;
+ *syncEvents.pendtail = qe;
+}
+
+/**
+ * Run through the list of events queued up in syncEvents.
+ * For each event do:
+ * If the device for this event is not frozen anymore, take it and process it
+ * as usually.
+ * After that, check if there's any devices in the list that are not frozen.
+ * If there is none, we're done. If there is at least one device that is not
+ * frozen, then re-run from the beginning of the event queue.
+ */
+static void
+PlayReleasedEvents(void)
+{
+ QdEventPtr *prev, qe;
+ DeviceIntPtr dev;
+ DeviceIntPtr pDev;
+
+ prev = &syncEvents.pending;
+ while ( (qe = *prev) )
+ {
+ if (!qe->device->deviceGrab.sync.frozen)
+ {
+ *prev = qe->next;
+ pDev = qe->device;
+ if (*syncEvents.pendtail == *prev)
+ syncEvents.pendtail = prev;
+ if (qe->event->any.type == ET_Motion)
+ CheckVirtualMotion(pDev, qe, NullWindow);
+ syncEvents.time.months = qe->months;
+ syncEvents.time.milliseconds = qe->event->any.time;
+#ifdef PANORAMIX
+ /* Translate back to the sprite screen since processInputProc
+ will translate from sprite screen to screen 0 upon reentry
+ to the DIX layer */
+ if(!noPanoramiXExtension) {
+ DeviceEvent *ev = &qe->event->device_event;
+ switch(ev->type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ ev->root_x += screenInfo.screens[0]->x -
+ pDev->spriteInfo->sprite->screen->x;
+ ev->root_y += screenInfo.screens[0]->y -
+ pDev->spriteInfo->sprite->screen->y;
+ break;
+ default:
+ break;
+ }
+
+ }
+#endif
+ (*qe->device->public.processInputProc)(qe->event, qe->device);
+ free(qe);
+ for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; dev = dev->next)
+ ;
+ if (!dev)
+ break;
+ /* Playing the event may have unfrozen another device. */
+ /* So to play it safe, restart at the head of the queue */
+ prev = &syncEvents.pending;
+ }
+ else
+ prev = &qe->next;
+ }
+}
+
+/**
+ * Freeze or thaw the given devices. The device's processing proc is
+ * switched to either the real processing proc (in case of thawing) or an
+ * enqueuing processing proc (usually EnqueueEvent()).
+ *
+ * @param dev The device to freeze/thaw
+ * @param frozen True to freeze or false to thaw.
+ */
+static void
+FreezeThaw(DeviceIntPtr dev, Bool frozen)
+{
+ dev->deviceGrab.sync.frozen = frozen;
+ if (frozen)
+ dev->public.processInputProc = dev->public.enqueueInputProc;
+ else
+ dev->public.processInputProc = dev->public.realInputProc;
+}
+
+/**
+ * Unfreeze devices and replay all events to the respective clients.
+ *
+ * ComputeFreezes takes the first event in the device's frozen event queue. It
+ * runs up the sprite tree (spriteTrace) and searches for the window to replay
+ * the events from. If it is found, it checks for passive grabs one down from
+ * the window or delivers the events.
+ */
+static void
+ComputeFreezes(void)
+{
+ DeviceIntPtr replayDev = syncEvents.replayDev;
+ WindowPtr w;
+ GrabPtr grab;
+ DeviceIntPtr dev;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ FreezeThaw(dev, dev->deviceGrab.sync.other ||
+ (dev->deviceGrab.sync.state >= FROZEN));
+ if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
+ return;
+ syncEvents.playingEvents = TRUE;
+ if (replayDev)
+ {
+ DeviceEvent* event = replayDev->deviceGrab.sync.event;
+
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+
+ w = XYToWindow(replayDev->spriteInfo->sprite,
+ event->root_x, event->root_y);
+ if (!CheckDeviceGrabs(replayDev, event, syncEvents.replayWin))
+ {
+ if (replayDev->focus && !IsPointerEvent((InternalEvent*)event))
+ DeliverFocusedEvent(replayDev, (InternalEvent*)event, w);
+ else
+ DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab,
+ NullWindow, replayDev);
+ }
+ }
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (!dev->deviceGrab.sync.frozen)
+ {
+ PlayReleasedEvents();
+ break;
+ }
+ }
+ syncEvents.playingEvents = FALSE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (DevHasCursor(dev))
+ {
+ /* the following may have been skipped during replay,
+ so do it now */
+ if ((grab = dev->deviceGrab.grab) && grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen !=
+ dev->spriteInfo->sprite->hotPhys.pScreen)
+ dev->spriteInfo->sprite->hotPhys.x =
+ dev->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(dev, grab->confineTo, TRUE, TRUE);
+ }
+ else
+ ConfineCursorToWindow(dev,
+ dev->spriteInfo->sprite->hotPhys.pScreen->root,
+ TRUE, FALSE);
+ PostNewCursor(dev);
+ }
+ }
+}
+
+#ifdef RANDR
+void
+ScreenRestructured (ScreenPtr pScreen)
+{
+ GrabPtr grab;
+ DeviceIntPtr pDev;
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (!DevHasCursor(pDev))
+ continue;
+
+ /* GrabDevice doesn't have a confineTo field, so we don't need to
+ * worry about it. */
+ if ((grab = pDev->deviceGrab.grab) && grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen
+ != pDev->spriteInfo->sprite->hotPhys.pScreen)
+ pDev->spriteInfo->sprite->hotPhys.x = pDev->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
+ }
+ else
+ ConfineCursorToWindow(pDev,
+ pDev->spriteInfo->sprite->hotPhys.pScreen->root,
+ TRUE, FALSE);
+ }
+}
+#endif
+
+static void
+CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
+{
+ GrabPtr grab = thisDev->deviceGrab.grab;
+ DeviceIntPtr dev;
+
+ if (thisMode == GrabModeSync)
+ thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT;
+ else
+ { /* free both if same client owns both */
+ thisDev->deviceGrab.sync.state = THAWED;
+ if (thisDev->deviceGrab.sync.other &&
+ (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ thisDev->deviceGrab.sync.other = NullGrab;
+ }
+
+ if (IsMaster(thisDev))
+ {
+ dev = GetPairedDevice(thisDev);
+ if (otherMode == GrabModeSync)
+ dev->deviceGrab.sync.other = grab;
+ else
+ { /* free both if same client owns both */
+ if (dev->deviceGrab.sync.other &&
+ (CLIENT_BITS(dev->deviceGrab.sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ }
+ ComputeFreezes();
+}
+
+/**
+ * Save the device's master device id. This needs to be done
+ * if a client directly grabs a slave device that is attached to a master. For
+ * the duration of the grab, the device is detached, ungrabbing re-attaches it
+ * though.
+ *
+ * We store the ID of the master device only in case the master disappears
+ * while the device has a grab.
+ */
+static void
+DetachFromMaster(DeviceIntPtr dev)
+{
+ if (!IsFloating(dev))
+ return;
+
+ dev->saved_master_id = GetMaster(dev, MASTER_ATTACHED)->id;
+
+ AttachDevice(NULL, dev, NULL);
+}
+
+static void
+ReattachToOldMaster(DeviceIntPtr dev)
+{
+ DeviceIntPtr master = NULL;
+
+ if (IsMaster(dev))
+ return;
+
+ dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess);
+
+ if (master)
+ {
+ AttachDevice(serverClient, dev, master);
+ dev->saved_master_id = 0;
+ }
+}
+
+/**
+ * Activate a pointer grab on the given device. A pointer grab will cause all
+ * core pointer events of this device to be delivered to the grabbing client only.
+ * No other device will send core events to the grab client while the grab is
+ * on, but core events will be sent to other clients.
+ * Can cause the cursor to change if a grab cursor is set.
+ *
+ * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab
+ * is an implicit grab caused by a ButtonPress event.
+ *
+ * @param mouse The device to grab.
+ * @param grab The grab structure, needs to be setup.
+ * @param autoGrab True if the grab was caused by a button down event and not
+ * explicitely by a client.
+ */
+void
+ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab,
+ TimeStamp time, Bool autoGrab)
+{
+ GrabInfoPtr grabinfo = &mouse->deviceGrab;
+ WindowPtr oldWin = (grabinfo->grab) ?
+ grabinfo->grab->window
+ : mouse->spriteInfo->sprite->win;
+ Bool isPassive = autoGrab & ~ImplicitGrabMask;
+
+ /* slave devices need to float for the duration of the grab. */
+ if (grab->grabtype == GRABTYPE_XI2 &&
+ !(autoGrab & ImplicitGrabMask) && !IsMaster(mouse))
+ DetachFromMaster(mouse);
+
+ if (grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen
+ != mouse->spriteInfo->sprite->hotPhys.pScreen)
+ mouse->spriteInfo->sprite->hotPhys.x =
+ mouse->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(mouse, grab->confineTo, FALSE, TRUE);
+ }
+ DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab);
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (syncEvents.playingEvents)
+ grabinfo->grabTime = syncEvents.time;
+ else
+ grabinfo->grabTime = time;
+ if (grab->cursor)
+ grab->cursor->refcnt++;
+ grabinfo->activeGrab = *grab;
+ grabinfo->grab = &grabinfo->activeGrab;
+ grabinfo->fromPassiveGrab = isPassive;
+ grabinfo->implicitGrab = autoGrab & ImplicitGrabMask;
+ PostNewCursor(mouse);
+ CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
+}
+
+/**
+ * Delete grab on given device, update the sprite.
+ *
+ * Extension devices are set up for ActivateKeyboardGrab().
+ */
+void
+DeactivatePointerGrab(DeviceIntPtr mouse)
+{
+ GrabPtr grab = mouse->deviceGrab.grab;
+ DeviceIntPtr dev;
+ Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab &&
+ mouse->deviceGrab.implicitGrab);
+
+ mouse->valuator->motionHintWindow = NullWindow;
+ mouse->deviceGrab.grab = NullGrab;
+ mouse->deviceGrab.sync.state = NOT_GRABBED;
+ mouse->deviceGrab.fromPassiveGrab = FALSE;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.sync.other == grab)
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ DoEnterLeaveEvents(mouse, mouse->id, grab->window,
+ mouse->spriteInfo->sprite->win, NotifyUngrab);
+ if (grab->confineTo)
+ ConfineCursorToWindow(mouse, GetCurrentRootWindow(mouse), FALSE, FALSE);
+ PostNewCursor(mouse);
+ if (grab->cursor)
+ FreeCursor(grab->cursor, (Cursor)0);
+
+ if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
+ ReattachToOldMaster(mouse);
+
+ ComputeFreezes();
+}
+
+/**
+ * Activate a keyboard grab on the given device.
+ *
+ * Extension devices have ActivateKeyboardGrab() set as their grabbing proc.
+ */
+void
+ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, Bool passive)
+{
+ GrabInfoPtr grabinfo = &keybd->deviceGrab;
+ WindowPtr oldWin;
+
+ /* slave devices need to float for the duration of the grab. */
+ if (grab->grabtype == GRABTYPE_XI2 &&
+ !(passive & ImplicitGrabMask) &&
+ !IsMaster(keybd))
+ DetachFromMaster(keybd);
+
+ if (grabinfo->grab)
+ oldWin = grabinfo->grab->window;
+ else if (keybd->focus)
+ oldWin = keybd->focus->win;
+ else
+ oldWin = keybd->spriteInfo->sprite->win;
+ if (oldWin == FollowKeyboardWin)
+ oldWin = keybd->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab);
+ if (syncEvents.playingEvents)
+ grabinfo->grabTime = syncEvents.time;
+ else
+ grabinfo->grabTime = time;
+ grabinfo->activeGrab = *grab;
+ grabinfo->grab = &grabinfo->activeGrab;
+ grabinfo->fromPassiveGrab = passive;
+ grabinfo->implicitGrab = passive & ImplicitGrabMask;
+ CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
+}
+
+/**
+ * Delete keyboard grab for the given device.
+ */
+void
+DeactivateKeyboardGrab(DeviceIntPtr keybd)
+{
+ GrabPtr grab = keybd->deviceGrab.grab;
+ DeviceIntPtr dev;
+ WindowPtr focusWin = keybd->focus ? keybd->focus->win
+ : keybd->spriteInfo->sprite->win;
+ Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab &&
+ keybd->deviceGrab.implicitGrab);
+
+ if (focusWin == FollowKeyboardWin)
+ focusWin = inputInfo.keyboard->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ keybd->deviceGrab.grab = NullGrab;
+ keybd->deviceGrab.sync.state = NOT_GRABBED;
+ keybd->deviceGrab.fromPassiveGrab = FALSE;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.sync.other == grab)
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
+
+ if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
+ ReattachToOldMaster(keybd);
+
+ ComputeFreezes();
+}
+
+void
+AllowSome(ClientPtr client,
+ TimeStamp time,
+ DeviceIntPtr thisDev,
+ int newState)
+{
+ Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
+ TimeStamp grabTime;
+ DeviceIntPtr dev;
+ GrabInfoPtr devgrabinfo,
+ grabinfo = &thisDev->deviceGrab;
+
+ thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client);
+ thisSynced = FALSE;
+ otherGrabbed = FALSE;
+ othersFrozen = FALSE;
+ grabTime = grabinfo->grabTime;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+
+ if (dev == thisDev)
+ continue;
+ if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client))
+ {
+ if (!(thisGrabbed || otherGrabbed) ||
+ (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER))
+ grabTime = devgrabinfo->grabTime;
+ otherGrabbed = TRUE;
+ if (grabinfo->sync.other == devgrabinfo->grab)
+ thisSynced = TRUE;
+ if (devgrabinfo->sync.state >= FROZEN)
+ othersFrozen = TRUE;
+ }
+ }
+ if (!((thisGrabbed && grabinfo->sync.state >= FROZEN) || thisSynced))
+ return;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, grabTime) == EARLIER))
+ return;
+ switch (newState)
+ {
+ case THAWED: /* Async */
+ if (thisGrabbed)
+ grabinfo->sync.state = THAWED;
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ ComputeFreezes();
+ break;
+ case FREEZE_NEXT_EVENT: /* Sync */
+ if (thisGrabbed)
+ {
+ grabinfo->sync.state = FREEZE_NEXT_EVENT;
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ ComputeFreezes();
+ }
+ break;
+ case THAWED_BOTH: /* AsyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = THAWED;
+ if (devgrabinfo->sync.other &&
+ SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT;
+ if (devgrabinfo->sync.other
+ && SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case NOT_GRABBED: /* Replay */
+ if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT)
+ {
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ syncEvents.replayDev = thisDev;
+ syncEvents.replayWin = grabinfo->grab->window;
+ (*grabinfo->DeactivateGrab)(thisDev);
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ }
+ break;
+ case THAW_OTHERS: /* AsyncOthers */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = THAWED;
+ if (devgrabinfo->sync.other
+ && SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ }
+}
+
+/**
+ * Server-side protocol handling for AllowEvents request.
+ *
+ * Release some events from a frozen device.
+ */
+int
+ProcAllowEvents(ClientPtr client)
+{
+ TimeStamp time;
+ DeviceIntPtr mouse = NULL;
+ DeviceIntPtr keybd = NULL;
+ REQUEST(xAllowEventsReq);
+
+ REQUEST_SIZE_MATCH(xAllowEventsReq);
+ time = ClientTimeToServerTime(stuff->time);
+
+ mouse = PickPointer(client);
+ keybd = PickKeyboard(client);
+
+ switch (stuff->mode)
+ {
+ case ReplayPointer:
+ AllowSome(client, time, mouse, NOT_GRABBED);
+ break;
+ case SyncPointer:
+ AllowSome(client, time, mouse, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncPointer:
+ AllowSome(client, time, mouse, THAWED);
+ break;
+ case ReplayKeyboard:
+ AllowSome(client, time, keybd, NOT_GRABBED);
+ break;
+ case SyncKeyboard:
+ AllowSome(client, time, keybd, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncKeyboard:
+ AllowSome(client, time, keybd, THAWED);
+ break;
+ case SyncBoth:
+ AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT);
+ break;
+ case AsyncBoth:
+ AllowSome(client, time, keybd, THAWED_BOTH);
+ break;
+ default:
+ client->errorValue = stuff->mode;
+ return BadValue;
+ }
+ return Success;
+}
+
+/**
+ * Deactivate grabs from any device that has been grabbed by the client.
+ */
+void
+ReleaseActiveGrabs(ClientPtr client)
+{
+ DeviceIntPtr dev;
+ Bool done;
+
+ /* XXX CloseDownClient should remove passive grabs before
+ * releasing active grabs.
+ */
+ do {
+ done = TRUE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
+ {
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ done = FALSE;
+ }
+ }
+ } while (!done);
+}
+
+/**************************************************************************
+ * The following procedures deal with delivering events *
+ **************************************************************************/
+
+/**
+ * Deliver the given events to the given client.
+ *
+ * More than one event may be delivered at a time. This is the case with
+ * DeviceMotionNotifies which may be followed by DeviceValuator events.
+ *
+ * TryClientEvents() is the last station before actually writing the events to
+ * the socket. Anything that is not filtered here, will get delivered to the
+ * client.
+ * An event is only delivered if
+ * - mask and filter match up.
+ * - no other client has a grab on the device that caused the event.
+ *
+ *
+ * @param client The target client to deliver to.
+ * @param dev The device the event came from. May be NULL.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param mask Event mask as set by the window.
+ * @param filter Mask based on event type.
+ * @param grab Possible grab on the device that caused the event.
+ *
+ * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the
+ * client.
+ */
+int
+TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
+ int count, Mask mask, Mask filter, GrabPtr grab)
+{
+ int type;
+
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s",
+ pEvents->u.u.type, pEvents->u.u.detail, mask,
+ client ? client->index : -1,
+ (client && client->clientGone) ? " (gone)" : "");
+#endif
+
+ if (!client || client == serverClient || client->clientGone) {
+#ifdef DEBUG_EVENTS
+ ErrorF(" not delivered to fake/dead client\n");
+#endif
+ return 0;
+ }
+
+ if (filter != CantBeFiltered && !(mask & filter))
+ {
+ #ifdef DEBUG_EVENTS
+ ErrorF(" filtered\n");
+ #endif
+ return 0;
+ }
+
+ if (grab && !SameClient(grab, client))
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF(" not delivered due to grab\n");
+#endif
+ return -1; /* don't send, but notify caller */
+ }
+
+ type = pEvents->u.u.type;
+ if (type == MotionNotify)
+ {
+ if (mask & PointerMotionHintMask)
+ {
+ if (WID(dev->valuator->motionHintWindow) ==
+ pEvents->u.keyButtonPointer.event)
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] \n");
+ ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n");
+#endif
+ return 1; /* don't send, but pretend we did */
+ }
+ pEvents->u.u.detail = NotifyHint;
+ }
+ else
+ {
+ pEvents->u.u.detail = NotifyNormal;
+ }
+ }
+ else if (type == DeviceMotionNotify)
+ {
+ if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer*)pEvents,
+ mask) != 0)
+ return 1;
+ } else if (type == KeyPress)
+ {
+ if (EventIsKeyRepeat(pEvents))
+ {
+ if (!_XkbWantsDetectableAutoRepeat(client))
+ {
+ xEvent release = *pEvents;
+ release.u.u.type = KeyRelease;
+ WriteEventsToClient(client, 1, &release);
+#ifdef DEBUG_EVENTS
+ ErrorF(" (plus fake core release for repeat)");
+#endif
+ } else
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF(" (detectable autorepeat for core)");
+#endif
+ }
+ }
+
+ } else if (type == DeviceKeyPress)
+ {
+ if (EventIsKeyRepeat(pEvents))
+ {
+ if (!_XkbWantsDetectableAutoRepeat(client))
+ {
+ deviceKeyButtonPointer release = *(deviceKeyButtonPointer *)pEvents;
+ release.type = DeviceKeyRelease;
+#ifdef DEBUG_EVENTS
+ ErrorF(" (plus fake xi1 release for repeat)");
+#endif
+ WriteEventsToClient(client, 1, (xEvent *) &release);
+ }
+ else {
+#ifdef DEBUG_EVENTS
+ ErrorF(" (detectable autorepeat for core)");
+#endif
+ }
+ }
+ }
+
+ if (BitIsOn(criticalEvents, type))
+ {
+ if (client->smart_priority < SMART_MAX_PRIORITY)
+ client->smart_priority++;
+ SetCriticalOutputPending();
+ }
+
+ WriteEventsToClient(client, count, pEvents);
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] delivered\n");
+#endif
+ return 1;
+}
+
+/**
+ * Deliver events to a window. At this point, we do not yet know if the event
+ * actually needs to be delivered. May activate a grab if the event is a
+ * button press.
+ *
+ * Core events are always delivered to the window owner. If the filter is
+ * something other than CantBeFiltered, the event is also delivered to other
+ * clients with the matching mask on the window.
+ *
+ * More than one event may be delivered at a time. This is the case with
+ * DeviceMotionNotifies which may be followed by DeviceValuator events.
+ *
+ * @param pWin The window that would get the event.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param filter Mask based on event type.
+ * @param grab Possible grab on the device that caused the event.
+ *
+ * @return Number of events delivered to various clients.
+ */
+int
+DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent
+ *pEvents, int count, Mask filter, GrabPtr grab)
+{
+ int deliveries = 0, nondeliveries = 0;
+ int attempt;
+ InputClients *other;
+ ClientPtr client = NullClient;
+ Mask deliveryMask = 0; /* If a grab occurs due to a button press, then
+ this mask is the mask of the grab. */
+ int type = pEvents->u.u.type;
+
+
+ /* Deliver to window owner */
+ if ((filter == CantBeFiltered) || CORE_EVENT(pEvents))
+ {
+ /* if nobody ever wants to see this event, skip some work */
+ if (filter != CantBeFiltered &&
+ !((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
+ return 0;
+
+ if (IsInterferingGrab(wClient(pWin), pDev, pEvents))
+ return 0;
+
+ if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
+ /* do nothing */;
+ else if ( (attempt = TryClientEvents(wClient(pWin), pDev, pEvents,
+ count, pWin->eventMask,
+ filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = wClient(pWin);
+ deliveryMask = pWin->eventMask;
+ } else
+ nondeliveries--;
+ }
+ }
+
+ /* CantBeFiltered means only window owner gets the event */
+ if (filter != CantBeFiltered)
+ {
+ if (CORE_EVENT(pEvents))
+ other = (InputClients *)wOtherClients(pWin);
+ else if (XI2_EVENT(pEvents))
+ {
+ OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+ /* Has any client selected for the event? */
+ if (!GetWindowXI2Mask(pDev, pWin, pEvents))
+ return 0;
+ other = inputMasks->inputClients;
+ } else {
+ OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+ /* Has any client selected for the event? */
+ if (!inputMasks ||
+ !(inputMasks->inputEvents[pDev->id] & filter))
+ return 0;
+
+ other = inputMasks->inputClients;
+ }
+
+ for (; other; other = other->next)
+ {
+ Mask mask;
+ if (IsInterferingGrab(rClient(other), pDev, pEvents))
+ continue;
+
+ mask = GetEventMask(pDev, pEvents, other);
+
+ if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin,
+ pEvents, count))
+ /* do nothing */;
+ else if ( (attempt = TryClientEvents(rClient(other), pDev,
+ pEvents, count,
+ mask, filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = rClient(other);
+ deliveryMask = mask;
+ } else
+ nondeliveries--;
+ }
+ }
+ }
+ /*
+ * Note that since core events are delivered first, an implicit grab may
+ * be activated on a core grab, stopping the XI events.
+ */
+ if ((type == DeviceButtonPress || type == ButtonPress ||
+ ((XI2_EVENT(pEvents) && ((xGenericEvent*)pEvents)->evtype == XI_ButtonPress)))
+ && deliveries
+ && (!grab))
+ {
+ GrabRec tempGrab;
+ OtherInputMasks *inputMasks;
+
+ memset(&tempGrab, 0, sizeof(GrabRec));
+ tempGrab.next = NULL;
+ tempGrab.device = pDev;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.window = pWin;
+ tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE;
+ tempGrab.eventMask = deliveryMask;
+ tempGrab.keyboardMode = GrabModeAsync;
+ tempGrab.pointerMode = GrabModeAsync;
+ tempGrab.confineTo = NullWindow;
+ tempGrab.cursor = NullCursor;
+ tempGrab.type = type;
+ if (type == ButtonPress)
+ tempGrab.grabtype = GRABTYPE_CORE;
+ else if (type == DeviceButtonPress)
+ tempGrab.grabtype = GRABTYPE_XI;
+ else
+ {
+ tempGrab.type = ((xGenericEvent*)pEvents)->evtype;
+ tempGrab.grabtype = GRABTYPE_XI2;
+ }
+
+ /* get the XI and XI2 device mask */
+ inputMasks = wOtherInputMasks(pWin);
+ tempGrab.deviceMask = (inputMasks) ? inputMasks->inputEvents[pDev->id]: 0;
+
+ if (inputMasks)
+ memcpy(tempGrab.xi2mask, inputMasks->xi2mask,
+ sizeof(tempGrab.xi2mask));
+
+ (*pDev->deviceGrab.ActivateGrab)(pDev, &tempGrab,
+ currentTime, TRUE | ImplicitGrabMask);
+ }
+ else if ((type == MotionNotify) && deliveries)
+ pDev->valuator->motionHintWindow = pWin;
+ else
+ {
+ if ((type == DeviceMotionNotify || type == DeviceButtonPress) &&
+ deliveries)
+ CheckDeviceGrabAndHintWindow (pWin, type,
+ (deviceKeyButtonPointer*) pEvents,
+ grab, client, deliveryMask);
+ }
+ if (deliveries)
+ return deliveries;
+ return nondeliveries;
+}
+
+/* If the event goes to dontClient, don't send it and return 0. if
+ send works, return 1 or if send didn't work, return 2.
+ Only works for core events.
+*/
+
+#ifdef PANORAMIX
+static int
+XineramaTryClientEventsResult(
+ ClientPtr client,
+ GrabPtr grab,
+ Mask mask,
+ Mask filter
+){
+ if ((client) && (client != serverClient) && (!client->clientGone) &&
+ ((filter == CantBeFiltered) || (mask & filter)))
+ {
+ if (grab && !SameClient(grab, client)) return -1;
+ else return 1;
+ }
+ return 0;
+}
+#endif
+
+/**
+ * Try to deliver events to the interested parties.
+ *
+ * @param pWin The window that would get the event.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param filter Mask based on event type.
+ * @param dontClient Don't deliver to the dontClient.
+ */
+int
+MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents,
+ int count, Mask filter, ClientPtr dontClient)
+{
+ OtherClients *other;
+
+
+ if (pWin->eventMask & filter)
+ {
+ if (wClient(pWin) == dontClient)
+ return 0;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return XineramaTryClientEventsResult(
+ wClient(pWin), NullGrab, pWin->eventMask, filter);
+#endif
+ if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
+ return 1; /* don't send, but pretend we did */
+ return TryClientEvents(wClient(pWin), NULL, pEvents, count,
+ pWin->eventMask, filter, NullGrab);
+ }
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->mask & filter)
+ {
+ if (SameClient(other, dontClient))
+ return 0;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return XineramaTryClientEventsResult(
+ rClient(other), NullGrab, other->mask, filter);
+#endif
+ if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents,
+ count))
+ return 1; /* don't send, but pretend we did */
+ return TryClientEvents(rClient(other), NULL, pEvents, count,
+ other->mask, filter, NullGrab);
+ }
+ }
+ return 2;
+}
+
+static Window FindChildForEvent(SpritePtr pSprite, WindowPtr event)
+{
+ WindowPtr w = pSprite->spriteTrace[pSprite->spriteTraceGood-1];
+ Window child = None;
+
+ /* If the search ends up past the root should the child field be
+ set to none or should the value in the argument be passed
+ through. It probably doesn't matter since everyone calls
+ this function with child == None anyway. */
+ while (w)
+ {
+ /* If the source window is same as event window, child should be
+ none. Don't bother going all all the way back to the root. */
+
+ if (w == event)
+ {
+ child = None;
+ break;
+ }
+
+ if (w->parent == event)
+ {
+ child = w->drawable.id;
+ break;
+ }
+ w = w->parent;
+ }
+ return child;
+}
+
+/**
+ * Adjust event fields to comply with the window properties.
+ *
+ * @param xE Event to be modified in place
+ * @param pWin The window to get the information from.
+ * @param child Child window setting for event (if applicable)
+ * @param calcChild If True, calculate the child window.
+ */
+void
+FixUpEventFromWindow(
+ SpritePtr pSprite,
+ xEvent *xE,
+ WindowPtr pWin,
+ Window child,
+ Bool calcChild)
+{
+ if (calcChild)
+ child = FindChildForEvent(pSprite, pWin);
+
+ if (XI2_EVENT(xE))
+ {
+ xXIDeviceEvent* event = (xXIDeviceEvent*)xE;
+
+ if (event->evtype == XI_RawKeyPress ||
+ event->evtype == XI_RawKeyRelease ||
+ event->evtype == XI_RawButtonPress ||
+ event->evtype == XI_RawButtonRelease ||
+ event->evtype == XI_RawMotion ||
+ event->evtype == XI_DeviceChanged ||
+ event->evtype == XI_HierarchyChanged ||
+ event->evtype == XI_PropertyEvent)
+ return;
+
+ event->root = RootWindow(pSprite)->drawable.id;
+ event->event = pWin->drawable.id;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ event->event_x = event->root_x - FP1616(pWin->drawable.x, 0);
+ event->event_y = event->root_y - FP1616(pWin->drawable.y, 0);
+ event->child = child;
+ } else
+ {
+ event->event_x = 0;
+ event->event_y = 0;
+ event->child = None;
+ }
+
+ if (event->evtype == XI_Enter || event->evtype == XI_Leave ||
+ event->evtype == XI_FocusIn || event->evtype == XI_FocusOut)
+ ((xXIEnterEvent*)event)->same_screen =
+ (pSprite->hot.pScreen == pWin->drawable.pScreen);
+
+ } else
+ {
+ XE_KBPTR.root = RootWindow(pSprite)->drawable.id;
+ XE_KBPTR.event = pWin->drawable.id;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ XE_KBPTR.sameScreen = xTrue;
+ XE_KBPTR.child = child;
+ XE_KBPTR.eventX =
+ XE_KBPTR.rootX - pWin->drawable.x;
+ XE_KBPTR.eventY =
+ XE_KBPTR.rootY - pWin->drawable.y;
+ }
+ else
+ {
+ XE_KBPTR.sameScreen = xFalse;
+ XE_KBPTR.child = None;
+ XE_KBPTR.eventX = 0;
+ XE_KBPTR.eventY = 0;
+ }
+ }
+}
+
+/**
+ * Check if a given event is deliverable at all on a given window.
+ *
+ * This function only checks if any client wants it, not for a specific
+ * client.
+ *
+ * @param[in] dev The device this event is being sent for.
+ * @param[in] event The event that is to be sent.
+ * @param[in] win The current event window.
+ *
+ * @return Bitmask of ::EVENT_XI2_MASK, ::EVENT_XI1_MASK, ::EVENT_CORE_MASK, and
+ * ::EVENT_DONT_PROPAGATE_MASK.
+ */
+int
+EventIsDeliverable(DeviceIntPtr dev, InternalEvent* event, WindowPtr win)
+{
+ int rc = 0;
+ int filter = 0;
+ int type;
+ OtherInputMasks *inputMasks = wOtherInputMasks(win);
+ xEvent ev;
+
+ /* XXX: this makes me gag */
+ type = GetXI2Type(event);
+ ev.u.u.type = GenericEvent; /* GetEventFilter only cares about type and evtype*/
+ ((xGenericEvent*)&ev)->extension = IReqCode;
+ ((xGenericEvent*)&ev)->evtype = type;
+ filter = GetEventFilter(dev, &ev);
+ if (type && inputMasks &&
+ ((inputMasks->xi2mask[XIAllDevices][type/8] & filter) ||
+ ((inputMasks->xi2mask[XIAllMasterDevices][type/8] & filter) && IsMaster(dev)) ||
+ (inputMasks->xi2mask[dev->id][type/8] & filter)))
+ rc |= EVENT_XI2_MASK;
+
+ type = GetXIType(event);
+ ev.u.u.type = type;
+ filter = GetEventFilter(dev, &ev);
+
+ /* Check for XI mask */
+ if (type && inputMasks &&
+ (inputMasks->deliverableEvents[dev->id] & filter) &&
+ (inputMasks->inputEvents[dev->id] & filter))
+ rc |= EVENT_XI1_MASK;
+
+ /* Check for XI DontPropagate mask */
+ if (type && inputMasks &&
+ (inputMasks->dontPropagateMask[dev->id] & filter))
+ rc |= EVENT_DONT_PROPAGATE_MASK;
+
+ /* Check for core mask */
+ type = GetCoreType(event);
+ if (type && (win->deliverableEvents & filter) &&
+ ((wOtherEventMasks(win) | win->eventMask) & filter))
+ rc |= EVENT_CORE_MASK;
+
+ /* Check for core DontPropagate mask */
+ if (type && (filter & wDontPropagateMask(win)))
+ rc |= EVENT_DONT_PROPAGATE_MASK;
+
+ return rc;
+}
+
+/**
+ * Deliver events caused by input devices.
+ *
+ * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is
+ * called directly from the processInputProc.
+ * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call
+ * DeliverDeviceEvents.
+ * For focused events, DeliverFocusedEvent is called first, and _may_ call
+ * DeliverDeviceEvents.
+ *
+ * @param pWin Window to deliver event to.
+ * @param event The events to deliver, not yet in wire format.
+ * @param grab Possible grab on a device.
+ * @param stopAt Don't recurse up to the root window.
+ * @param dev The device that is responsible for the event.
+ *
+ * @see DeliverGrabbedEvent
+ * @see DeliverFocusedEvent
+ */
+int
+DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab,
+ WindowPtr stopAt, DeviceIntPtr dev)
+{
+ SpritePtr pSprite = dev->spriteInfo->sprite;
+ Window child = None;
+ Mask filter;
+ int deliveries = 0;
+ xEvent *xE = NULL, *core = NULL;
+ int rc, mask, count = 0;
+
+ CHECKEVENT(event);
+
+ while (pWin)
+ {
+ if ((mask = EventIsDeliverable(dev, event, pWin)))
+ {
+ /* XI2 events first */
+ if (mask & EVENT_XI2_MASK)
+ {
+ xEvent *xi2 = NULL;
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ /* XXX: XACE */
+ filter = GetEventFilter(dev, xi2);
+ FixUpEventFromWindow(pSprite, xi2, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, xi2, 1,
+ filter, grab);
+ free(xi2);
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DDE (%d).\n",
+ dev->name, rc);
+ }
+
+ /* XI events */
+ if (mask & EVENT_XI1_MASK)
+ {
+ rc = EventToXI(event, &xE, &count);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count) == Success) {
+ filter = GetEventFilter(dev, xE);
+ FixUpEventFromWindow(pSprite, xE, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, xE, count,
+ filter, grab);
+ if (deliveries > 0)
+ goto unwind;
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DDE (%d, %d). Skipping delivery.\n",
+ dev->name, event->any.type, rc);
+ }
+
+ /* Core event */
+ if ((mask & EVENT_CORE_MASK) && IsMaster(dev) && dev->coreEvents)
+ {
+ rc = EventToCore(event, &core, &count);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, core, count) == Success) {
+ filter = GetEventFilter(dev, core);
+ FixUpEventFromWindow(pSprite, core, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, core,
+ count, filter, grab);
+ if (deliveries > 0)
+ goto unwind;
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: Core conversion failed in DDE (%d, %d).\n",
+ dev->name, event->any.type, rc);
+ }
+
+ if ((deliveries < 0) || (pWin == stopAt) ||
+ (mask & EVENT_DONT_PROPAGATE_MASK))
+ {
+ deliveries = 0;
+ goto unwind;
+ }
+ }
+
+ child = pWin->drawable.id;
+ pWin = pWin->parent;
+ }
+
+unwind:
+ free(core);
+ free(xE);
+ return deliveries;
+}
+
+/**
+ * Deliver event to a window and it's immediate parent. Used for most window
+ * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that
+ * propagate up the tree or extension events
+ *
+ * In case of a ReparentNotify event, the event will be delivered to the
+ * otherParent as well.
+ *
+ * @param pWin Window to deliver events to.
+ * @param xE Events to deliver.
+ * @param count number of events in xE.
+ * @param otherParent Used for ReparentNotify events.
+ */
+int
+DeliverEvents(WindowPtr pWin, xEvent *xE, int count,
+ WindowPtr otherParent)
+{
+ DeviceIntRec dummy;
+ int deliveries;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return count;
+#endif
+
+ if (!count)
+ return 0;
+
+ dummy.id = XIAllDevices;
+
+ switch (xE->u.u.type)
+ {
+ case DestroyNotify:
+ case UnmapNotify:
+ case MapNotify:
+ case MapRequest:
+ case ReparentNotify:
+ case ConfigureNotify:
+ case ConfigureRequest:
+ case GravityNotify:
+ case CirculateNotify:
+ case CirculateRequest:
+ xE->u.destroyNotify.event = pWin->drawable.id;
+ break;
+ }
+
+ switch (xE->u.u.type)
+ {
+ case DestroyNotify:
+ case UnmapNotify:
+ case MapNotify:
+ case ReparentNotify:
+ case ConfigureNotify:
+ case GravityNotify:
+ case CirculateNotify:
+ break;
+ default:
+ {
+ Mask filter;
+ filter = GetEventFilter(&dummy, xE);
+ return DeliverEventsToWindow(&dummy, pWin, xE, count, filter,
+ NullGrab);
+ }
+ }
+
+ deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count,
+ StructureNotifyMask, NullGrab);
+ if (pWin->parent)
+ {
+ xE->u.destroyNotify.event = pWin->parent->drawable.id;
+ deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count,
+ SubstructureNotifyMask, NullGrab);
+ if (xE->u.u.type == ReparentNotify)
+ {
+ xE->u.destroyNotify.event = otherParent->drawable.id;
+ deliveries += DeliverEventsToWindow(&dummy,
+ otherParent, xE, count, SubstructureNotifyMask,
+ NullGrab);
+ }
+ }
+ return deliveries;
+}
+
+
+static Bool
+PointInBorderSize(WindowPtr pWin, int x, int y)
+{
+ BoxRec box;
+
+ if(RegionContainsPoint(&pWin->borderSize, x, y, &box))
+ return TRUE;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension &&
+ XineramaSetWindowPntrs(inputInfo.pointer, pWin)) {
+ SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite;
+ int i;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ if(RegionContainsPoint(&pSprite->windows[i]->borderSize,
+ x + screenInfo.screens[0]->x - screenInfo.screens[i]->x,
+ y + screenInfo.screens[0]->y - screenInfo.screens[i]->y,
+ &box))
+ return TRUE;
+ }
+ }
+#endif
+ return FALSE;
+}
+
+/**
+ * Traversed from the root window to the window at the position x/y. While
+ * traversing, it sets up the traversal history in the spriteTrace array.
+ * After completing, the spriteTrace history is set in the following way:
+ * spriteTrace[0] ... root window
+ * spriteTrace[1] ... top level window that encloses x/y
+ * ...
+ * spriteTrace[spriteTraceGood - 1] ... window at x/y
+ *
+ * @returns the window at the given coordinates.
+ */
+WindowPtr
+XYToWindow(SpritePtr pSprite, int x, int y)
+{
+ WindowPtr pWin;
+ BoxRec box;
+
+ pSprite->spriteTraceGood = 1; /* root window still there */
+ pWin = RootWindow(pSprite)->firstChild;
+ while (pWin)
+ {
+ if ((pWin->mapped) &&
+ (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
+ (x < pWin->drawable.x + (int)pWin->drawable.width +
+ wBorderWidth(pWin)) &&
+ (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
+ (y < pWin->drawable.y + (int)pWin->drawable.height +
+ wBorderWidth (pWin))
+ /* When a window is shaped, a further check
+ * is made to see if the point is inside
+ * borderSize
+ */
+ && (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y))
+ && (!wInputShape(pWin) ||
+ RegionContainsPoint(wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box))
+#ifdef ROOTLESS
+ /* In rootless mode windows may be offscreen, even when
+ * they're in X's stack. (E.g. if the native window system
+ * implements some form of virtual desktop system).
+ */
+ && !pWin->rootlessUnhittable
+#endif
+ )
+ {
+ if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize)
+ {
+ pSprite->spriteTraceSize += 10;
+ pSprite->spriteTrace = realloc(pSprite->spriteTrace,
+ pSprite->spriteTraceSize*sizeof(WindowPtr));
+ }
+ pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin;
+ pWin = pWin->firstChild;
+ }
+ else
+ pWin = pWin->nextSib;
+ }
+ return pSprite->spriteTrace[pSprite->spriteTraceGood-1];
+}
+
+/**
+ * Ungrab a currently FocusIn grabbed device and grab the device on the
+ * given window. If the win given is the NoneWin, the device is ungrabbed if
+ * applicable and FALSE is returned.
+ *
+ * @returns TRUE if the device has been grabbed, or FALSE otherwise.
+ */
+BOOL
+ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
+{
+ BOOL rc = FALSE;
+ DeviceEvent event;
+
+ if (dev->deviceGrab.grab)
+ {
+ if (!dev->deviceGrab.fromPassiveGrab ||
+ dev->deviceGrab.grab->type != XI_Enter ||
+ dev->deviceGrab.grab->window == win ||
+ IsParent(dev->deviceGrab.grab->window, win))
+ return FALSE;
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ }
+
+ if (win == NoneWin || win == PointerRootWin)
+ return FALSE;
+
+ memset(&event, 0, sizeof(DeviceEvent));
+ event.header = ET_Internal;
+ event.type = ET_FocusIn;
+ event.length = sizeof(DeviceEvent);
+ event.time = GetTimeInMillis();
+ event.deviceid = dev->id;
+ event.sourceid = dev->id;
+ event.detail.button = 0;
+ rc = (CheckPassiveGrabsOnWindow(win, dev, &event, FALSE, TRUE) != NULL);
+ if (rc)
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ return rc;
+}
+
+/**
+ * Ungrab a currently Enter grabbed device and grab the device for the given
+ * window.
+ *
+ * @returns TRUE if the device has been grabbed, or FALSE otherwise.
+ */
+static BOOL
+ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
+{
+ BOOL rc = FALSE;
+ DeviceEvent event;
+
+ if (dev->deviceGrab.grab)
+ {
+ if (!dev->deviceGrab.fromPassiveGrab ||
+ dev->deviceGrab.grab->type != XI_Enter ||
+ dev->deviceGrab.grab->window == win ||
+ IsParent(dev->deviceGrab.grab->window, win))
+ return FALSE;
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ }
+
+ memset(&event, 0, sizeof(DeviceEvent));
+ event.header = ET_Internal;
+ event.type = ET_Enter;
+ event.length = sizeof(DeviceEvent);
+ event.time = GetTimeInMillis();
+ event.deviceid = dev->id;
+ event.sourceid = dev->id;
+ event.detail.button = 0;
+ rc = (CheckPassiveGrabsOnWindow(win, dev, &event, FALSE, TRUE) != NULL);
+ if (rc)
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab);
+ return rc;
+}
+
+/**
+ * Update the sprite coordinates based on the event. Update the cursor
+ * position, then update the event with the new coordinates that may have been
+ * changed. If the window underneath the sprite has changed, change to new
+ * cursor and send enter/leave events.
+ *
+ * CheckMotion() will not do anything and return FALSE if the event is not a
+ * pointer event.
+ *
+ * @return TRUE if the sprite has moved or FALSE otherwise.
+ */
+Bool
+CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev)
+{
+ WindowPtr prevSpriteWin, newSpriteWin;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ CHECKEVENT(ev);
+
+ if (!pSprite)
+ return FALSE;
+
+ prevSpriteWin = pSprite->win;
+
+ if (ev && !syncEvents.playingEvents)
+ {
+ /* GetPointerEvents() guarantees that pointer events have the correct
+ rootX/Y set already. */
+ switch (ev->type)
+ {
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_Motion:
+ break;
+ default:
+ /* all other events return FALSE */
+ return FALSE;
+ }
+
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ /* Motion events entering DIX get translated to Screen 0
+ coordinates. Replayed events have already been
+ translated since they've entered DIX before */
+ ev->root_x += pSprite->screen->x - screenInfo.screens[0]->x;
+ ev->root_y += pSprite->screen->y - screenInfo.screens[0]->y;
+ } else
+#endif
+ {
+ if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen)
+ {
+ pSprite->hot.pScreen = pSprite->hotPhys.pScreen;
+ RootWindow(pDev->spriteInfo->sprite) =
+ pSprite->hot.pScreen->root;
+ }
+ }
+
+ pSprite->hot.x = ev->root_x;
+ pSprite->hot.y = ev->root_y;
+ if (pSprite->hot.x < pSprite->physLimits.x1)
+ pSprite->hot.x = pSprite->physLimits.x1;
+ else if (pSprite->hot.x >= pSprite->physLimits.x2)
+ pSprite->hot.x = pSprite->physLimits.x2 - 1;
+ if (pSprite->hot.y < pSprite->physLimits.y1)
+ pSprite->hot.y = pSprite->physLimits.y1;
+ else if (pSprite->hot.y >= pSprite->physLimits.y2)
+ pSprite->hot.y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, &pSprite->hot.y);
+ pSprite->hotPhys = pSprite->hot;
+
+ if ((pSprite->hotPhys.x != ev->root_x) ||
+ (pSprite->hotPhys.y != ev->root_y))
+ {
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ XineramaSetCursorPosition(
+ pDev, pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
+ } else
+#endif
+ {
+ (*pSprite->hotPhys.pScreen->SetCursorPosition)(
+ pDev, pSprite->hotPhys.pScreen,
+ pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
+ }
+ }
+
+ ev->root_x = pSprite->hot.x;
+ ev->root_y = pSprite->hot.y;
+ }
+
+ newSpriteWin = XYToWindow(pSprite, pSprite->hot.x, pSprite->hot.y);
+
+ if (newSpriteWin != prevSpriteWin)
+ {
+ int sourceid;
+ if (!ev) {
+ UpdateCurrentTimeIf();
+ sourceid = pDev->id; /* when from WindowsRestructured */
+ } else
+ sourceid = ev->sourceid;
+
+ if (prevSpriteWin != NullWindow) {
+ if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin))
+ DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin,
+ newSpriteWin, NotifyNormal);
+ }
+ /* set pSprite->win after ActivateEnterGrab, otherwise
+ sprite window == grab_window and no enter/leave events are
+ sent. */
+ pSprite->win = newSpriteWin;
+ PostNewCursor(pDev);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ * Windows have restructured, we need to update the sprite position and the
+ * sprite's cursor.
+ */
+void
+WindowsRestructured(void)
+{
+ DeviceIntPtr pDev = inputInfo.devices;
+ while(pDev)
+ {
+ if (IsMaster(pDev) || IsFloating(pDev))
+ CheckMotion(NULL, pDev);
+ pDev = pDev->next;
+ }
+}
+
+#ifdef PANORAMIX
+/* This was added to support reconfiguration under Xdmx. The problem is
+ * that if the 0th screen (i.e., screenInfo.screens[0]) is moved to an origin
+ * other than 0,0, the information in the private sprite structure must
+ * be updated accordingly, or XYToWindow (and other routines) will not
+ * compute correctly. */
+void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff)
+{
+ GrabPtr grab;
+ DeviceIntPtr pDev;
+ SpritePtr pSprite;
+
+ if (noPanoramiXExtension) return;
+
+ pDev = inputInfo.devices;
+ while(pDev)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pSprite = pDev->spriteInfo->sprite;
+ pSprite->hot.x -= xoff;
+ pSprite->hot.y -= yoff;
+
+ pSprite->hotPhys.x -= xoff;
+ pSprite->hotPhys.y -= yoff;
+
+ pSprite->hotLimits.x1 -= xoff;
+ pSprite->hotLimits.y1 -= yoff;
+ pSprite->hotLimits.x2 -= xoff;
+ pSprite->hotLimits.y2 -= yoff;
+
+ if (RegionNotEmpty(&pSprite->Reg1))
+ RegionTranslate(&pSprite->Reg1, xoff, yoff);
+ if (RegionNotEmpty(&pSprite->Reg2))
+ RegionTranslate(&pSprite->Reg2, xoff, yoff);
+
+ /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */
+ if ((grab = pDev->deviceGrab.grab) && grab->confineTo) {
+ if (grab->confineTo->drawable.pScreen
+ != pSprite->hotPhys.pScreen)
+ pSprite->hotPhys.x = pSprite->hotPhys.y = 0;
+ ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
+ } else
+ ConfineCursorToWindow(
+ pDev,
+ pSprite->hotPhys.pScreen->root,
+ TRUE, FALSE);
+
+ }
+ pDev = pDev->next;
+ }
+}
+#endif
+
+/**
+ * Initialize a sprite for the given device and set it to some sane values. If
+ * the device already has a sprite alloc'd, don't realloc but just reset to
+ * default values.
+ * If a window is supplied, the sprite will be initialized with the window's
+ * cursor and positioned in the center of the window's screen. The root window
+ * is a good choice to pass in here.
+ *
+ * It's a good idea to call it only for pointer devices, unless you have a
+ * really talented keyboard.
+ *
+ * @param pDev The device to initialize.
+ * @param pWin The window where to generate the sprite in.
+ *
+ */
+void
+InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ SpritePtr pSprite;
+ ScreenPtr pScreen;
+ CursorPtr pCursor;
+
+ if (!pDev->spriteInfo->sprite)
+ {
+ DeviceIntPtr it;
+
+ pDev->spriteInfo->sprite = (SpritePtr)calloc(1, sizeof(SpriteRec));
+ if (!pDev->spriteInfo->sprite)
+ FatalError("InitializeSprite: failed to allocate sprite struct");
+
+ /* We may have paired another device with this device before our
+ * device had a actual sprite. We need to check for this and reset the
+ * sprite field for all paired devices.
+ *
+ * The VCK is always paired with the VCP before the VCP has a sprite.
+ */
+ for (it = inputInfo.devices; it; it = it->next)
+ {
+ if (it->spriteInfo->paired == pDev)
+ it->spriteInfo->sprite = pDev->spriteInfo->sprite;
+ }
+ if (inputInfo.keyboard->spriteInfo->paired == pDev)
+ inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite;
+ }
+
+ pSprite = pDev->spriteInfo->sprite;
+ pDev->spriteInfo->spriteOwner = TRUE;
+
+ pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr)NULL;
+ pSprite->hot.pScreen = pScreen;
+ pSprite->hotPhys.pScreen = pScreen;
+ if (pScreen)
+ {
+ pSprite->hotPhys.x = pScreen->width / 2;
+ pSprite->hotPhys.y = pScreen->height / 2;
+ pSprite->hotLimits.x2 = pScreen->width;
+ pSprite->hotLimits.y2 = pScreen->height;
+ }
+
+ pSprite->hot = pSprite->hotPhys;
+ pSprite->win = pWin;
+
+ if (pWin)
+ {
+ pCursor = wCursor(pWin);
+ pSprite->spriteTrace = (WindowPtr *)calloc(1, 32*sizeof(WindowPtr));
+ if (!pSprite->spriteTrace)
+ FatalError("Failed to allocate spriteTrace");
+ pSprite->spriteTraceSize = 32;
+
+ RootWindow(pDev->spriteInfo->sprite) = pWin;
+ pSprite->spriteTraceGood = 1;
+
+ pSprite->pEnqueueScreen = pScreen;
+ pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
+
+ } else {
+ pCursor = NullCursor;
+ pSprite->spriteTrace = NULL;
+ pSprite->spriteTraceSize = 0;
+ pSprite->spriteTraceGood = 0;
+ pSprite->pEnqueueScreen = screenInfo.screens[0];
+ pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
+ }
+ if (pCursor)
+ pCursor->refcnt++;
+ if (pSprite->current)
+ FreeCursor(pSprite->current, None);
+ pSprite->current = pCursor;
+
+ if (pScreen)
+ {
+ (*pScreen->RealizeCursor) ( pDev, pScreen, pSprite->current);
+ (*pScreen->CursorLimits) ( pDev, pScreen, pSprite->current,
+ &pSprite->hotLimits, &pSprite->physLimits);
+ pSprite->confined = FALSE;
+
+ (*pScreen->ConstrainCursor) (pDev, pScreen,
+ &pSprite->physLimits);
+ (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x,
+ pSprite->hot.y,
+ FALSE);
+ (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
+ }
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotLimits.x1 = -screenInfo.screens[0]->x;
+ pSprite->hotLimits.y1 = -screenInfo.screens[0]->y;
+ pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x;
+ pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y;
+ pSprite->physLimits = pSprite->hotLimits;
+ pSprite->confineWin = NullWindow;
+ pSprite->hotShape = NullRegion;
+ pSprite->screen = pScreen;
+ /* gotta UNINIT these someplace */
+ RegionNull(&pSprite->Reg1);
+ RegionNull(&pSprite->Reg2);
+ }
+#endif
+}
+
+/**
+ * Update the mouse sprite info when the server switches from a pScreen to another.
+ * Otherwise, the pScreen of the mouse sprite is never updated when we switch
+ * from a pScreen to another. Never updating the pScreen of the mouse sprite
+ * implies that windows that are in pScreen whose pScreen->myNum >0 will never
+ * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen
+ * always points to the first pScreen it has been set by
+ * DefineInitialRootWindow().
+ *
+ * Calling this function is useful for use cases where the server
+ * has more than one pScreen.
+ * This function is similar to DefineInitialRootWindow() but it does not
+ * reset the mouse pointer position.
+ * @param win must be the new pScreen we are switching to.
+ */
+void
+UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ SpritePtr pSprite = NULL;
+ WindowPtr win = NULL;
+ CursorPtr pCursor;
+ if (!pScreen)
+ return ;
+
+ if (!pDev->spriteInfo->sprite)
+ return;
+
+ pSprite = pDev->spriteInfo->sprite;
+
+ win = pScreen->root;
+
+ pSprite->hotPhys.pScreen = pScreen;
+ pSprite->hot = pSprite->hotPhys;
+ pSprite->hotLimits.x2 = pScreen->width;
+ pSprite->hotLimits.y2 = pScreen->height;
+ pSprite->win = win;
+ pCursor = wCursor(win);
+ if (pCursor)
+ pCursor->refcnt++;
+ if (pSprite->current)
+ FreeCursor(pSprite->current, 0);
+ pSprite->current = pCursor;
+ pSprite->spriteTraceGood = 1;
+ pSprite->spriteTrace[0] = win;
+ (*pScreen->CursorLimits) (pDev,
+ pScreen,
+ pSprite->current,
+ &pSprite->hotLimits,
+ &pSprite->physLimits);
+ pSprite->confined = FALSE;
+ (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits);
+ (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotLimits.x1 = -screenInfo.screens[0]->x;
+ pSprite->hotLimits.y1 = -screenInfo.screens[0]->y;
+ pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x;
+ pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y;
+ pSprite->physLimits = pSprite->hotLimits;
+ pSprite->screen = pScreen;
+ }
+#endif
+}
+
+/*
+ * This does not take any shortcuts, and even ignores its argument, since
+ * it does not happen very often, and one has to walk up the tree since
+ * this might be a newly instantiated cursor for an intermediate window
+ * between the one the pointer is in and the one that the last cursor was
+ * instantiated from.
+ */
+void
+WindowHasNewCursor(WindowPtr pWin)
+{
+ DeviceIntPtr pDev;
+
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ if (DevHasCursor(pDev))
+ PostNewCursor(pDev);
+}
+
+void
+NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ pSprite->hotPhys.x = x;
+ pSprite->hotPhys.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotPhys.x += newScreen->x - screenInfo.screens[0]->x;
+ pSprite->hotPhys.y += newScreen->y - screenInfo.screens[0]->y;
+ if (newScreen != pSprite->screen) {
+ pSprite->screen = newScreen;
+ /* Make sure we tell the DDX to update its copy of the screen */
+ if(pSprite->confineWin)
+ XineramaConfineCursorToWindow(pDev,
+ pSprite->confineWin, TRUE);
+ else
+ XineramaConfineCursorToWindow(pDev, screenInfo.screens[0]->root, TRUE);
+ /* if the pointer wasn't confined, the DDX won't get
+ told of the pointer warp so we reposition it here */
+ if(!syncEvents.playingEvents)
+ (*pSprite->screen->SetCursorPosition)(
+ pDev,
+ pSprite->screen,
+ pSprite->hotPhys.x + screenInfo.screens[0]->x -
+ pSprite->screen->x,
+ pSprite->hotPhys.y + screenInfo.screens[0]->y -
+ pSprite->screen->y, FALSE);
+ }
+ } else
+#endif
+ if (newScreen != pSprite->hotPhys.pScreen)
+ ConfineCursorToWindow(pDev, newScreen->root, TRUE, FALSE);
+}
+
+#ifdef PANORAMIX
+
+static Bool
+XineramaPointInWindowIsVisible(
+ WindowPtr pWin,
+ int x,
+ int y
+)
+{
+ BoxRec box;
+ int i, xoff, yoff;
+
+ if (!pWin->realized) return FALSE;
+
+ if (RegionContainsPoint(&pWin->borderClip, x, y, &box))
+ return TRUE;
+
+ if(!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) return FALSE;
+
+ xoff = x + screenInfo.screens[0]->x;
+ yoff = y + screenInfo.screens[0]->y;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ pWin = inputInfo.pointer->spriteInfo->sprite->windows[i];
+ x = xoff - screenInfo.screens[i]->x;
+ y = yoff - screenInfo.screens[i]->y;
+
+ if(RegionContainsPoint(&pWin->borderClip, x, y, &box)
+ && (!wInputShape(pWin) ||
+ RegionContainsPoint(wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box)))
+ return TRUE;
+
+ }
+
+ return FALSE;
+}
+
+static int
+XineramaWarpPointer(ClientPtr client)
+{
+ WindowPtr dest = NULL;
+ int x, y, rc;
+ SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
+
+ REQUEST(xWarpPointerReq);
+
+
+ if (stuff->dstWid != None) {
+ rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+ }
+ x = pSprite->hotPhys.x;
+ y = pSprite->hotPhys.y;
+
+ if (stuff->srcWid != None)
+ {
+ int winX, winY;
+ XID winID = stuff->srcWid;
+ WindowPtr source;
+
+ rc = dixLookupWindow(&source, winID, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ winX = source->drawable.x;
+ winY = source->drawable.y;
+ if(source == screenInfo.screens[0]->root) {
+ winX -= screenInfo.screens[0]->x;
+ winY -= screenInfo.screens[0]->y;
+ }
+ if (x < winX + stuff->srcX ||
+ y < winY + stuff->srcY ||
+ (stuff->srcWidth != 0 &&
+ winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+ (stuff->srcHeight != 0 &&
+ winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+ !XineramaPointInWindowIsVisible(source, x, y))
+ return Success;
+ }
+ if (dest) {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ if(dest == screenInfo.screens[0]->root) {
+ x -= screenInfo.screens[0]->x;
+ y -= screenInfo.screens[0]->y;
+ }
+ }
+
+ x += stuff->dstX;
+ y += stuff->dstY;
+
+ if (x < pSprite->physLimits.x1)
+ x = pSprite->physLimits.x1;
+ else if (x >= pSprite->physLimits.x2)
+ x = pSprite->physLimits.x2 - 1;
+ if (y < pSprite->physLimits.y1)
+ y = pSprite->physLimits.y1;
+ else if (y >= pSprite->physLimits.y2)
+ y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y);
+
+ XineramaSetCursorPosition(PickPointer(client), x, y, TRUE);
+
+ return Success;
+}
+
+#endif
+
+
+/**
+ * Server-side protocol handling for WarpPointer request.
+ * Warps the cursor position to the coordinates given in the request.
+ */
+int
+ProcWarpPointer(ClientPtr client)
+{
+ WindowPtr dest = NULL;
+ int x, y, rc;
+ ScreenPtr newScreen;
+ DeviceIntPtr dev, tmp;
+ SpritePtr pSprite;
+
+ REQUEST(xWarpPointerReq);
+ REQUEST_SIZE_MATCH(xWarpPointerReq);
+
+ dev = PickPointer(client);
+
+ for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
+ if (GetMaster(tmp, MASTER_ATTACHED) == dev) {
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+ }
+ }
+
+ if (dev->lastSlave)
+ dev = dev->lastSlave;
+ pSprite = dev->spriteInfo->sprite;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ return XineramaWarpPointer(client);
+#endif
+
+ if (stuff->dstWid != None) {
+ rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ x = pSprite->hotPhys.x;
+ y = pSprite->hotPhys.y;
+
+ if (stuff->srcWid != None)
+ {
+ int winX, winY;
+ XID winID = stuff->srcWid;
+ WindowPtr source;
+
+ rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ winX = source->drawable.x;
+ winY = source->drawable.y;
+ if (source->drawable.pScreen != pSprite->hotPhys.pScreen ||
+ x < winX + stuff->srcX ||
+ y < winY + stuff->srcY ||
+ (stuff->srcWidth != 0 &&
+ winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+ (stuff->srcHeight != 0 &&
+ winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+ !PointInWindowIsVisible(source, x, y))
+ return Success;
+ }
+ if (dest)
+ {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ newScreen = dest->drawable.pScreen;
+ } else
+ newScreen = pSprite->hotPhys.pScreen;
+
+ x += stuff->dstX;
+ y += stuff->dstY;
+
+ if (x < 0)
+ x = 0;
+ else if (x >= newScreen->width)
+ x = newScreen->width - 1;
+ if (y < 0)
+ y = 0;
+ else if (y >= newScreen->height)
+ y = newScreen->height - 1;
+
+ if (newScreen == pSprite->hotPhys.pScreen)
+ {
+ if (x < pSprite->physLimits.x1)
+ x = pSprite->physLimits.x1;
+ else if (x >= pSprite->physLimits.x2)
+ x = pSprite->physLimits.x2 - 1;
+ if (y < pSprite->physLimits.y1)
+ y = pSprite->physLimits.y1;
+ else if (y >= pSprite->physLimits.y2)
+ y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(dev, pSprite->hotShape, &x, &y);
+ (*newScreen->SetCursorPosition)(dev, newScreen, x, y, TRUE);
+ }
+ else if (!PointerConfinedToScreen(dev))
+ {
+ NewCurrentScreen(dev, newScreen, x, y);
+ }
+ return Success;
+}
+
+static Bool
+BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ if(RegionNotEmpty(&pWin->borderSize))
+ return TRUE;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) {
+ int i;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ if(RegionNotEmpty(&pDev->spriteInfo->sprite->windows[i]->borderSize))
+ return TRUE;
+ }
+ }
+#endif
+ return FALSE;
+}
+
+/**
+ * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a
+ * passive grab set on the window to be activated.
+ * If activate is true and a passive grab is found, it will be activated,
+ * and the event will be delivered to the client.
+ *
+ * @param pWin The window that may be subject to a passive grab.
+ * @param device Device that caused the event.
+ * @param event The current device event.
+ * @param checkCore Check for core grabs too.
+ * @param activate If a grab is found, activate it and deliver the event.
+ */
+
+GrabPtr
+CheckPassiveGrabsOnWindow(
+ WindowPtr pWin,
+ DeviceIntPtr device,
+ DeviceEvent *event,
+ BOOL checkCore,
+ BOOL activate)
+{
+ SpritePtr pSprite = device->spriteInfo->sprite;
+ GrabPtr grab = wPassiveGrabs(pWin);
+ GrabRec tempGrab;
+ GrabInfoPtr grabinfo;
+#define CORE_MATCH 0x1
+#define XI_MATCH 0x2
+#define XI2_MATCH 0x4
+ int match = 0;
+
+ if (!grab)
+ return NULL;
+ /* Fill out the grab details, but leave the type for later before
+ * comparing */
+ tempGrab.window = pWin;
+ tempGrab.device = device;
+ tempGrab.detail.exact = event->detail.key;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.next = NULL;
+ for (; grab; grab = grab->next)
+ {
+ DeviceIntPtr gdev;
+ XkbSrvInfoPtr xkbi = NULL;
+
+ gdev= grab->modifierDevice;
+ if (grab->grabtype == GRABTYPE_CORE)
+ {
+ if (IsPointerDevice(device))
+ gdev = GetPairedDevice(device);
+ else
+ gdev = device;
+ } else if (grab->grabtype == GRABTYPE_XI2)
+ {
+ /* if the device is an attached slave device, gdev must be the
+ * attached master keyboard. Since the slave may have been
+ * reattached after the grab, the modifier device may not be the
+ * same. */
+ if (!IsMaster(grab->device) && !IsFloating(device))
+ gdev = GetMaster(device, MASTER_KEYBOARD);
+ }
+
+
+ if (gdev && gdev->key)
+ xkbi= gdev->key->xkbInfo;
+ tempGrab.modifierDevice = grab->modifierDevice;
+ tempGrab.modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0;
+
+ /* Check for XI2 and XI grabs first */
+ tempGrab.type = GetXI2Type((InternalEvent*)event);
+ tempGrab.grabtype = GRABTYPE_XI2;
+ if (GrabMatchesSecond(&tempGrab, grab, FALSE))
+ match = XI2_MATCH;
+
+ tempGrab.detail.exact = event->detail.key;
+ if (!match)
+ {
+ tempGrab.grabtype = GRABTYPE_XI;
+ if ((tempGrab.type = GetXIType((InternalEvent*)event)) &&
+ (GrabMatchesSecond(&tempGrab, grab, FALSE)))
+ match = XI_MATCH;
+ }
+
+ /* Check for a core grab (ignore the device when comparing) */
+ if (!match && checkCore)
+ {
+ tempGrab.grabtype = GRABTYPE_CORE;
+ if ((tempGrab.type = GetCoreType((InternalEvent*)event)) &&
+ (GrabMatchesSecond(&tempGrab, grab, TRUE)))
+ match = CORE_MATCH;
+ }
+
+ if (match && (!grab->confineTo ||
+ (grab->confineTo->realized &&
+ BorderSizeNotEmpty(device, grab->confineTo))))
+ {
+ int rc, count = 0;
+ xEvent *xE = NULL;
+
+ event->corestate &= 0x1f00;
+ event->corestate |= tempGrab.modifiersDetail.exact & (~0x1f00);
+ grabinfo = &device->deviceGrab;
+ /* In some cases a passive core grab may exist, but the client
+ * already has a core grab on some other device. In this case we
+ * must not get the grab, otherwise we may never ungrab the
+ * device.
+ */
+
+ if (grab->grabtype == GRABTYPE_CORE)
+ {
+ DeviceIntPtr other;
+ BOOL interfering = FALSE;
+
+ /* A passive grab may have been created for a different device
+ than it is assigned to at this point in time.
+ Update the grab's device and modifier device to reflect the
+ current state.
+ Since XGrabDeviceButton requires to specify the
+ modifierDevice explicitly, we don't override this choice.
+ */
+ if (tempGrab.type < GenericEvent)
+ {
+ grab->device = device;
+ grab->modifierDevice = GetPairedDevice(device);
+ }
+
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ GrabPtr othergrab = other->deviceGrab.grab;
+ if (othergrab && othergrab->grabtype == GRABTYPE_CORE &&
+ SameClient(grab, rClient(othergrab)) &&
+ ((IsPointerDevice(grab->device) &&
+ IsPointerDevice(othergrab->device)) ||
+ (IsKeyboardDevice(grab->device) &&
+ IsKeyboardDevice(othergrab->device))))
+ {
+ interfering = TRUE;
+ break;
+ }
+ }
+ if (interfering)
+ continue;
+ }
+
+ if (!activate)
+ return grab;
+
+ if (match & CORE_MATCH)
+ {
+ rc = EventToCore((InternalEvent*)event, &xE, &count);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: core conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ } else if (match & XI2_MATCH)
+ {
+ rc = EventToXI2((InternalEvent*)event, &xE);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ count = 1;
+ } else
+ {
+ rc = EventToXI((InternalEvent*)event, &xE, &count);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ }
+
+ (*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE);
+
+ if (xE)
+ {
+ FixUpEventFromWindow(pSprite, xE, grab->window, None, TRUE);
+
+ /* XXX: XACE? */
+ TryClientEvents(rClient(grab), device, xE, count,
+ GetEventFilter(device, xE),
+ GetEventFilter(device, xE), grab);
+ }
+
+ if (grabinfo->sync.state == FROZEN_NO_EVENT)
+ {
+ if (!grabinfo->sync.event)
+ grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
+ *grabinfo->sync.event = *event;
+ grabinfo->sync.state = FROZEN_WITH_EVENT;
+ }
+
+ free(xE);
+ return grab;
+ }
+ }
+ return NULL;
+#undef CORE_MATCH
+#undef XI_MATCH
+#undef XI2_MATCH
+}
+
+/**
+ * CheckDeviceGrabs handles both keyboard and pointer events that may cause
+ * a passive grab to be activated.
+ *
+ * If the event is a keyboard event, the ancestors of the focus window are
+ * traced down and tried to see if they have any passive grabs to be
+ * activated. If the focus window itself is reached and it's descendants
+ * contain the pointer, the ancestors of the window that the pointer is in
+ * are then traced down starting at the focus window, otherwise no grabs are
+ * activated.
+ * If the event is a pointer event, the ancestors of the window that the
+ * pointer is in are traced down starting at the root until CheckPassiveGrabs
+ * causes a passive grab to activate or all the windows are
+ * tried. PRH
+ *
+ * If a grab is activated, the event has been sent to the client already!
+ *
+ * The event we pass in must always be an XI event. From this, we then emulate
+ * the core event and then check for grabs.
+ *
+ * @param device The device that caused the event.
+ * @param xE The event to handle (Device{Button|Key}Press).
+ * @param count Number of events in list.
+ * @return TRUE if a grab has been activated or false otherwise.
+*/
+
+Bool
+CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, WindowPtr ancestor)
+{
+ int i;
+ WindowPtr pWin = NULL;
+ FocusClassPtr focus = IsPointerEvent((InternalEvent*)event) ? NULL : device->focus;
+ BOOL sendCore = (IsMaster(device) && device->coreEvents);
+ Bool ret = FALSE;
+
+ if (event->type != ET_ButtonPress &&
+ event->type != ET_KeyPress)
+ return FALSE;
+
+ if (event->type == ET_ButtonPress
+ && (device->button->buttonsDown != 1))
+ return FALSE;
+
+ if (device->deviceGrab.grab)
+ return FALSE;
+
+ i = 0;
+ if (ancestor)
+ {
+ while (i < device->spriteInfo->sprite->spriteTraceGood)
+ if (device->spriteInfo->sprite->spriteTrace[i++] == ancestor)
+ break;
+ if (i == device->spriteInfo->sprite->spriteTraceGood)
+ goto out;
+ }
+
+ if (focus)
+ {
+ for (; i < focus->traceGood; i++)
+ {
+ pWin = focus->trace[i];
+ if (CheckPassiveGrabsOnWindow(pWin, device, event, sendCore, TRUE))
+ {
+ ret = TRUE;
+ goto out;
+ }
+ }
+
+ if ((focus->win == NoneWin) ||
+ (i >= device->spriteInfo->sprite->spriteTraceGood) ||
+ (pWin && pWin != device->spriteInfo->sprite->spriteTrace[i-1]))
+ goto out;
+ }
+
+ for (; i < device->spriteInfo->sprite->spriteTraceGood; i++)
+ {
+ pWin = device->spriteInfo->sprite->spriteTrace[i];
+ if (CheckPassiveGrabsOnWindow(pWin, device, event, sendCore, TRUE))
+ {
+ ret = TRUE;
+ goto out;
+ }
+ }
+
+out:
+ if (ret == TRUE && event->type == ET_KeyPress)
+ device->deviceGrab.activatingKey = event->detail.key;
+ return ret;
+}
+
+/**
+ * Called for keyboard events to deliver event to whatever client owns the
+ * focus.
+ *
+ * The event is delivered to the keyboard's focus window, the root window or
+ * to the window owning the input focus.
+ *
+ * @param keybd The keyboard originating the event.
+ * @param event The event, not yet in wire format.
+ * @param window Window underneath the sprite.
+ */
+void
+DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window)
+{
+ DeviceIntPtr ptr;
+ WindowPtr focus = keybd->focus->win;
+ BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents);
+ xEvent *core = NULL, *xE = NULL, *xi2 = NULL;
+ int count, rc;
+ int deliveries = 0;
+
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ if (!focus)
+ return;
+ if (focus == PointerRootWin)
+ {
+ DeliverDeviceEvents(window, event, NullGrab, NullWindow, keybd);
+ return;
+ }
+ if ((focus == window) || IsParent(focus, window))
+ {
+ if (DeliverDeviceEvents(window, event, NullGrab, focus, keybd))
+ return;
+ }
+
+ /* just deliver it to the focus window */
+ ptr = GetPairedDevice(keybd);
+
+
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ /* XXX: XACE */
+ int filter = GetEventFilter(keybd, xi2);
+ FixUpEventFromWindow(ptr->spriteInfo->sprite, xi2, focus, None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1,
+ filter, NullGrab);
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+
+ rc = EventToXI(event, &xE, &count);
+ if (rc == Success &&
+ XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, count) == Success)
+ {
+ FixUpEventFromWindow(ptr->spriteInfo->sprite, xE, focus, None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, xE, count,
+ GetEventFilter(keybd, xE),
+ NullGrab);
+
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+
+ if (sendCore)
+ {
+ rc = EventToCore(event, &core, &count);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, core, count) == Success) {
+ FixUpEventFromWindow(keybd->spriteInfo->sprite, core, focus,
+ None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, core, count,
+ GetEventFilter(keybd, core),
+ NullGrab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+ }
+
+unwind:
+ free(core);
+ free(xE);
+ free(xi2);
+ return;
+}
+
+/**
+ * Deliver an event from a device that is currently grabbed. Uses
+ * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the
+ * grab. If not, TryClientEvents() is used.
+ *
+ * @param deactivateGrab True if the device's grab should be deactivated.
+ */
+void
+DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev,
+ Bool deactivateGrab)
+{
+ GrabPtr grab;
+ GrabInfoPtr grabinfo;
+ int deliveries = 0;
+ DeviceIntPtr dev;
+ SpritePtr pSprite = thisDev->spriteInfo->sprite;
+ BOOL sendCore = FALSE;
+ int rc, count = 0;
+ xEvent *xi = NULL;
+ xEvent *xi2 = NULL;
+ xEvent *core = NULL;
+
+ grabinfo = &thisDev->deviceGrab;
+ grab = grabinfo->grab;
+
+ if (grab->ownerEvents)
+ {
+ WindowPtr focus;
+
+ /* Hack: Some pointer device have a focus class. So we need to check
+ * for the type of event, to see if we really want to deliver it to
+ * the focus window. For pointer events, the answer is no.
+ */
+ if (IsPointerEvent(event))
+ focus = PointerRootWin;
+ else if (thisDev->focus)
+ {
+ focus = thisDev->focus->win;
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ }
+ else
+ focus = PointerRootWin;
+ if (focus == PointerRootWin)
+ deliveries = DeliverDeviceEvents(pSprite->win, event, grab,
+ NullWindow, thisDev);
+ else if (focus && (focus == pSprite->win ||
+ IsParent(focus, pSprite->win)))
+ deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus,
+ thisDev);
+ else if (focus)
+ deliveries = DeliverDeviceEvents(focus, event, grab, focus,
+ thisDev);
+ }
+ if (!deliveries)
+ {
+ Mask mask;
+
+ /* XXX: In theory, we could pass the internal events through to
+ * everything and only convert just before hitting the wire. We can't
+ * do that yet, so DGE is the last stop for internal events. From here
+ * onwards, we deal with core/XI events.
+ */
+
+ mask = grab->eventMask;
+
+ sendCore = (IsMaster(thisDev) && thisDev->coreEvents);
+ /* try core event */
+ if (sendCore && grab->grabtype == GRABTYPE_CORE)
+ {
+ rc = EventToCore(event, &core, &count);
+ if (rc == Success)
+ {
+ FixUpEventFromWindow(pSprite, core, grab->window, None, TRUE);
+ if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
+ grab->window, core, count) ||
+ XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
+ grab->window, core, count))
+ deliveries = 1; /* don't send, but pretend we did */
+ else if (!IsInterferingGrab(rClient(grab), thisDev, core))
+ {
+ deliveries = TryClientEvents(rClient(grab), thisDev,
+ core, count, mask,
+ GetEventFilter(thisDev, core),
+ grab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] DeliverGrabbedEvent. Core conversion failed.\n");
+ }
+
+ if (!deliveries)
+ {
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ int evtype = ((xGenericEvent*)xi2)->evtype;
+ mask = grab->xi2mask[XIAllDevices][evtype/8] |
+ grab->xi2mask[XIAllMasterDevices][evtype/8] |
+ grab->xi2mask[thisDev->id][evtype/8];
+ /* try XI2 event */
+ FixUpEventFromWindow(pSprite, xi2, grab->window, None, TRUE);
+ /* XXX: XACE */
+ deliveries = TryClientEvents(rClient(grab), thisDev, xi2, 1, mask,
+ GetEventFilter(thisDev, xi2), grab);
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DGE (%d, %d). Skipping delivery.\n",
+ thisDev->name, event->any.type, rc);
+ }
+
+ if (!deliveries)
+ {
+ rc = EventToXI(event, &xi, &count);
+ if (rc == Success)
+ {
+ /* try XI event */
+ if (grabinfo->fromPassiveGrab &&
+ grabinfo->implicitGrab)
+ mask = grab->deviceMask;
+ else
+ mask = grab->eventMask;
+
+ FixUpEventFromWindow(pSprite, xi, grab->window, None, TRUE);
+
+ if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
+ grab->window, xi, count) ||
+ XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
+ grab->window, xi, count))
+ deliveries = 1; /* don't send, but pretend we did */
+ else
+ {
+ deliveries =
+ TryClientEvents(rClient(grab), thisDev,
+ xi, count,
+ mask,
+ GetEventFilter(thisDev, xi),
+ grab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DGE (%d, %d). Skipping delivery.\n",
+ thisDev->name, event->any.type, rc);
+ }
+
+ if (deliveries && (event->any.type == ET_Motion))
+ thisDev->valuator->motionHintWindow = grab->window;
+ }
+ if (deliveries && !deactivateGrab && event->any.type != ET_Motion)
+ {
+ switch (grabinfo->sync.state)
+ {
+ case FREEZE_BOTH_NEXT_EVENT:
+ dev = GetPairedDevice(thisDev);
+ if (dev)
+ {
+ FreezeThaw(dev, TRUE);
+ if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT) &&
+ (CLIENT_BITS(grab->resource) ==
+ CLIENT_BITS(dev->deviceGrab.grab->resource)))
+ dev->deviceGrab.sync.state = FROZEN_NO_EVENT;
+ else
+ dev->deviceGrab.sync.other = grab;
+ }
+ /* fall through */
+ case FREEZE_NEXT_EVENT:
+ grabinfo->sync.state = FROZEN_WITH_EVENT;
+ FreezeThaw(thisDev, TRUE);
+ if (!grabinfo->sync.event)
+ grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
+ *grabinfo->sync.event = event->device_event;
+ break;
+ }
+ }
+
+ free(core);
+ free(xi);
+ free(xi2);
+}
+
+/* This function is used to set the key pressed or key released state -
+ this is only used when the pressing of keys does not cause
+ the device's processInputProc to be called, as in for example Mouse Keys.
+*/
+void
+FixKeyState (DeviceEvent *event, DeviceIntPtr keybd)
+{
+ int key = event->detail.key;
+
+ if (event->type == ET_KeyPress) {
+ DebugF("FixKeyState: Key %d %s\n",key,
+ ((event->type == ET_KeyPress) ? "down" : "up"));
+ }
+
+ if (event->type == ET_KeyPress)
+ set_key_down(keybd, key, KEY_PROCESSED);
+ else if (event->type == ET_KeyRelease)
+ set_key_up(keybd, key, KEY_PROCESSED);
+ else
+ FatalError("Impossible keyboard event");
+}
+
+#define AtMostOneClient \
+ (SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask)
+#define ManagerMask \
+ (SubstructureRedirectMask | ResizeRedirectMask)
+
+/**
+ * Recalculate which events may be deliverable for the given window.
+ * Recalculated mask is used for quicker determination which events may be
+ * delivered to a window.
+ *
+ * The otherEventMasks on a WindowOptional is the combination of all event
+ * masks set by all clients on the window.
+ * deliverableEventMask is the combination of the eventMask and the
+ * otherEventMask plus the events that may be propagated to the parent.
+ *
+ * Traverses to siblings and parents of the window.
+ */
+void
+RecalculateDeliverableEvents(WindowPtr pWin)
+{
+ OtherClients *others;
+ WindowPtr pChild;
+
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->optional)
+ {
+ pChild->optional->otherEventMasks = 0;
+ for (others = wOtherClients(pChild); others; others = others->next)
+ {
+ pChild->optional->otherEventMasks |= others->mask;
+ }
+ }
+ pChild->deliverableEvents = pChild->eventMask|
+ wOtherEventMasks(pChild);
+ if (pChild->parent)
+ pChild->deliverableEvents |=
+ (pChild->parent->deliverableEvents &
+ ~wDontPropagateMask(pChild) & PropagateMask);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+}
+
+/**
+ *
+ * \param value must conform to DeleteType
+ */
+int
+OtherClientGone(pointer value, XID id)
+{
+ OtherClientsPtr other, prev;
+ WindowPtr pWin = (WindowPtr)value;
+
+ prev = 0;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->resource == id)
+ {
+ if (prev)
+ prev->next = other->next;
+ else
+ {
+ if (!(pWin->optional->otherClients = other->next))
+ CheckWindowOptionalNeed (pWin);
+ }
+ free(other);
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+ }
+ prev = other;
+ }
+ FatalError("client not on event list");
+ /*NOTREACHED*/
+ return -1; /* make compiler happy */
+}
+
+int
+EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask)
+{
+ Mask check;
+ OtherClients * others;
+ DeviceIntPtr dev;
+ int rc;
+
+ if (mask & ~AllEventMasks)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ check = (mask & ManagerMask);
+ if (check) {
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixManageAccess);
+ if (rc != Success)
+ return rc;
+ }
+ check = (mask & AtMostOneClient);
+ if (check & (pWin->eventMask|wOtherEventMasks(pWin)))
+ { /* It is illegal for two different
+ clients to select on any of the
+ events for AtMostOneClient. However,
+ it is OK, for some client to
+ continue selecting on one of those
+ events. */
+ if ((wClient(pWin) != client) && (check & pWin->eventMask))
+ return BadAccess;
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (!SameClient(others, client) && (check & others->mask))
+ return BadAccess;
+ }
+ }
+ if (wClient (pWin) == client)
+ {
+ check = pWin->eventMask;
+ pWin->eventMask = mask;
+ }
+ else
+ {
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (SameClient(others, client))
+ {
+ check = others->mask;
+ if (mask == 0)
+ {
+ FreeResource(others->resource, RT_NONE);
+ return Success;
+ }
+ else
+ others->mask = mask;
+ goto maskSet;
+ }
+ }
+ check = 0;
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ return BadAlloc;
+ others = malloc(sizeof(OtherClients));
+ if (!others)
+ return BadAlloc;
+ others->mask = mask;
+ others->resource = FakeClientID(client->index);
+ others->next = pWin->optional->otherClients;
+ pWin->optional->otherClients = others;
+ if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin))
+ return BadAlloc;
+ }
+maskSet:
+ if ((mask & PointerMotionHintMask) && !(check & PointerMotionHintMask))
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->valuator && dev->valuator->motionHintWindow == pWin)
+ dev->valuator->motionHintWindow = NullWindow;
+ }
+ }
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+int
+EventSuppressForWindow(WindowPtr pWin, ClientPtr client,
+ Mask mask, Bool *checkOptional)
+{
+ int i, free;
+
+ if (mask & ~PropagateMask)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ if (!mask)
+ i = 0;
+ else
+ {
+ for (i = DNPMCOUNT, free = 0; --i > 0; )
+ {
+ if (!DontPropagateRefCnts[i])
+ free = i;
+ else if (mask == DontPropagateMasks[i])
+ break;
+ }
+ if (!i && free)
+ {
+ i = free;
+ DontPropagateMasks[i] = mask;
+ }
+ }
+ if (i || !mask)
+ {
+ pWin->dontPropagate = i;
+ if (i)
+ DontPropagateRefCnts[i]++;
+ if (pWin->optional)
+ {
+ pWin->optional->dontPropagateMask = mask;
+ *checkOptional = TRUE;
+ }
+ }
+ else
+ {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]++;
+ return BadAlloc;
+ }
+ pWin->dontPropagate = 0;
+ pWin->optional->dontPropagateMask = mask;
+ }
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+/**
+ * Assembles an EnterNotify or LeaveNotify and sends it event to the client.
+ * Uses the paired keyboard to get some additional information.
+ */
+void
+CoreEnterLeaveEvent(
+ DeviceIntPtr mouse,
+ int type,
+ int mode,
+ int detail,
+ WindowPtr pWin,
+ Window child)
+{
+ xEvent event;
+ WindowPtr focus;
+ DeviceIntPtr keybd;
+ GrabPtr grab = mouse->deviceGrab.grab;
+ Mask mask;
+
+ keybd = GetPairedDevice(mouse);
+
+ if ((pWin == mouse->valuator->motionHintWindow) &&
+ (detail != NotifyInferior))
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (grab)
+ {
+ mask = (pWin == grab->window) ? grab->eventMask : 0;
+ if (grab->ownerEvents)
+ mask |= EventMaskForClient(pWin, rClient(grab));
+ }
+ else
+ {
+ mask = pWin->eventMask | wOtherEventMasks(pWin);
+ }
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.enterLeave.time = currentTime.milliseconds;
+ event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x;
+ event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y;
+ /* Counts on the same initial structure of crossing & button events! */
+ FixUpEventFromWindow(mouse->spriteInfo->sprite, &event, pWin, None, FALSE);
+ /* Enter/Leave events always set child */
+ event.u.enterLeave.child = child;
+ event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ?
+ ELFlagSameScreen : 0;
+ event.u.enterLeave.state = mouse->button ? (mouse->button->state & 0x1f00) : 0;
+ if (keybd)
+ event.u.enterLeave.state |=
+ XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
+ event.u.enterLeave.mode = mode;
+ focus = (keybd) ? keybd->focus->win : None;
+ if ((focus != NoneWin) &&
+ ((pWin == focus) || (focus == PointerRootWin) ||
+ IsParent(focus, pWin)))
+ event.u.enterLeave.flags |= ELFlagFocus;
+
+ if ((mask & GetEventFilter(mouse, &event)))
+ {
+ if (grab)
+ TryClientEvents(rClient(grab), mouse, &event, 1, mask,
+ GetEventFilter(mouse, &event), grab);
+ else
+ DeliverEventsToWindow(mouse, pWin, &event, 1,
+ GetEventFilter(mouse, &event),
+ NullGrab);
+ }
+
+ if ((type == EnterNotify) && (mask & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+ ClientPtr client = grab ? rClient(grab) : wClient(pWin);
+ if (XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess))
+ memset((char *)&ke.map[0], 0, 31);
+ else
+ memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31);
+
+ ke.type = KeymapNotify;
+ if (grab)
+ TryClientEvents(rClient(grab), keybd, (xEvent *)&ke, 1,
+ mask, KeymapStateMask, grab);
+ else
+ DeliverEventsToWindow(mouse, pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab);
+ }
+}
+
+void
+DeviceEnterLeaveEvent(
+ DeviceIntPtr mouse,
+ int sourceid,
+ int type,
+ int mode,
+ int detail,
+ WindowPtr pWin,
+ Window child)
+{
+ GrabPtr grab = mouse->deviceGrab.grab;
+ xXIEnterEvent *event;
+ int filter;
+ int btlen, len, i;
+ DeviceIntPtr kbd;
+
+ if ((mode == XINotifyPassiveGrab && type == XI_Leave) ||
+ (mode == XINotifyPassiveUngrab && type == XI_Enter))
+ return;
+
+ btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;
+ btlen = bytes_to_int32(btlen);
+ len = sizeof(xXIEnterEvent) + btlen * 4;
+
+ event = calloc(1, len);
+ event->type = GenericEvent;
+ event->extension = IReqCode;
+ event->evtype = type;
+ event->length = (len - sizeof(xEvent))/4;
+ event->buttons_len = btlen;
+ event->detail = detail;
+ event->time = currentTime.milliseconds;
+ event->deviceid = mouse->id;
+ event->sourceid = sourceid;
+ event->mode = mode;
+ event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0);
+ event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0);
+
+ for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+ if (BitIsOn(mouse->button->down, i))
+ SetBit(&event[1], i);
+
+ kbd = GetMaster(mouse, MASTER_KEYBOARD);
+ if (kbd && kbd->key)
+ {
+ event->mods.base_mods = kbd->key->xkbInfo->state.base_mods;
+ event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods;
+ event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods;
+
+ event->group.base_group = kbd->key->xkbInfo->state.base_group;
+ event->group.latched_group = kbd->key->xkbInfo->state.latched_group;
+ event->group.locked_group = kbd->key->xkbInfo->state.locked_group;
+ }
+
+ FixUpEventFromWindow(mouse->spriteInfo->sprite, (xEvent*)event, pWin,
+ None, FALSE);
+
+ filter = GetEventFilter(mouse, (xEvent*)event);
+
+ if (grab)
+ {
+ Mask mask;
+ mask = grab->xi2mask[XIAllDevices][type/8] |
+ grab->xi2mask[XIAllMasterDevices][type/8] |
+ grab->xi2mask[mouse->id][type/8];
+ TryClientEvents(rClient(grab), mouse, (xEvent*)event, 1, mask,
+ filter, grab);
+ } else {
+ if (!GetWindowXI2Mask(mouse, pWin, (xEvent*)event))
+ goto out;
+ DeliverEventsToWindow(mouse, pWin, (xEvent*)event, 1, filter,
+ NullGrab);
+ }
+
+out:
+ free(event);
+}
+
+void
+CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin)
+{
+ xEvent event;
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.focus.mode = mode;
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.focus.window = pWin->drawable.id;
+
+ DeliverEventsToWindow(dev, pWin, &event, 1,
+ GetEventFilter(dev, &event), NullGrab);
+ if ((type == FocusIn) &&
+ ((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+ ClientPtr client = wClient(pWin);
+ if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess))
+ memset((char *)&ke.map[0], 0, 31);
+ else
+ memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
+
+ ke.type = KeymapNotify;
+ DeliverEventsToWindow(dev, pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab);
+ }
+}
+
+/**
+ * Set the input focus to the given window. Subsequent keyboard events will be
+ * delivered to the given window.
+ *
+ * Usually called from ProcSetInputFocus as result of a client request. If so,
+ * the device is the inputInfo.keyboard.
+ * If called from ProcXSetInputFocus as result of a client xinput request, the
+ * device is set to the device specified by the client.
+ *
+ * @param client Client that requested input focus change.
+ * @param dev Focus device.
+ * @param focusID The window to obtain the focus. Can be PointerRoot or None.
+ * @param revertTo Specifies where the focus reverts to when window becomes
+ * unviewable.
+ * @param ctime Specifies the time.
+ * @param followOK True if pointer is allowed to follow the keyboard.
+ */
+int
+SetInputFocus(
+ ClientPtr client,
+ DeviceIntPtr dev,
+ Window focusID,
+ CARD8 revertTo,
+ Time ctime,
+ Bool followOK)
+{
+ FocusClassPtr focus;
+ WindowPtr focusWin;
+ int mode, rc;
+ TimeStamp time;
+ DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */
+
+
+ UpdateCurrentTime();
+ if ((revertTo != RevertToParent) &&
+ (revertTo != RevertToPointerRoot) &&
+ (revertTo != RevertToNone) &&
+ ((revertTo != RevertToFollowKeyboard) || !followOK))
+ {
+ client->errorValue = revertTo;
+ return BadValue;
+ }
+ time = ClientTimeToServerTime(ctime);
+
+ if (IsKeyboardDevice(dev))
+ keybd = dev;
+ else
+ keybd = GetPairedDevice(dev);
+
+ if ((focusID == None) || (focusID == PointerRoot))
+ focusWin = (WindowPtr)(long)focusID;
+ else if ((focusID == FollowKeyboard) && followOK)
+ {
+ focusWin = keybd->focus->win;
+ }
+ else {
+ rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ /* It is a match error to try to set the input focus to an
+ unviewable window. */
+ if(!focusWin->realized)
+ return BadMatch;
+ }
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixSetFocusAccess);
+ if (rc != Success)
+ return Success;
+
+ focus = dev->focus;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, focus->time) == EARLIER))
+ return Success;
+ mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed : NotifyNormal;
+ if (focus->win == FollowKeyboardWin)
+ {
+ if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin))
+ DoFocusEvents(dev, keybd->focus->win, focusWin, mode);
+ } else
+ {
+ if (!ActivateFocusInGrab(dev, focus->win, focusWin))
+ DoFocusEvents(dev, focus->win, focusWin, mode);
+ }
+ focus->time = time;
+ focus->revert = revertTo;
+ if (focusID == FollowKeyboard)
+ focus->win = FollowKeyboardWin;
+ else
+ focus->win = focusWin;
+ if ((focusWin == NoneWin) || (focusWin == PointerRootWin))
+ focus->traceGood = 0;
+ else
+ {
+ int depth = 0;
+ WindowPtr pWin;
+
+ for (pWin = focusWin; pWin; pWin = pWin->parent) depth++;
+ if (depth > focus->traceSize)
+ {
+ focus->traceSize = depth+1;
+ focus->trace = realloc(focus->trace,
+ focus->traceSize * sizeof(WindowPtr));
+ }
+ focus->traceGood = depth;
+ for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--)
+ focus->trace[depth] = pWin;
+ }
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for SetInputFocus request.
+ *
+ * Sets the input focus for the virtual core keyboard.
+ */
+int
+ProcSetInputFocus(ClientPtr client)
+{
+ DeviceIntPtr kbd = PickKeyboard(client);
+ REQUEST(xSetInputFocusReq);
+
+ REQUEST_SIZE_MATCH(xSetInputFocusReq);
+
+ return SetInputFocus(client, kbd, stuff->focus,
+ stuff->revertTo, stuff->time, FALSE);
+}
+
+/**
+ * Server-side protocol handling for GetInputFocus request.
+ *
+ * Sends the current input focus for the client's keyboard back to the
+ * client.
+ */
+int
+ProcGetInputFocus(ClientPtr client)
+{
+ DeviceIntPtr kbd = PickKeyboard(client);
+ xGetInputFocusReply rep;
+ FocusClassPtr focus = kbd->focus;
+ int rc;
+ /* REQUEST(xReq); */
+ REQUEST_SIZE_MATCH(xReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetFocusAccess);
+ if (rc != Success)
+ return rc;
+
+ memset(&rep, 0, sizeof(xGetInputFocusReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ if (focus->win == NoneWin)
+ rep.focus = None;
+ else if (focus->win == PointerRootWin)
+ rep.focus = PointerRoot;
+ else rep.focus = focus->win->drawable.id;
+ rep.revertTo = focus->revert;
+ WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for GrabPointer request.
+ *
+ * Sets an active grab on the client's ClientPointer and returns success
+ * status to client.
+ */
+int
+ProcGrabPointer(ClientPtr client)
+{
+ xGrabPointerReply rep;
+ DeviceIntPtr device = PickPointer(client);
+ GrabPtr grab;
+ GrabMask mask;
+ WindowPtr confineTo;
+ CursorPtr oldCursor;
+ REQUEST(xGrabPointerReq);
+ TimeStamp time;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xGrabPointerReq);
+ UpdateCurrentTime();
+
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else
+ {
+ rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ memset(&rep, 0, sizeof(xGrabPointerReply));
+ oldCursor = NullCursor;
+ grab = device->deviceGrab.grab;
+
+ if (grab)
+ {
+ if (grab->confineTo && !confineTo)
+ ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE,
+ FALSE);
+ oldCursor = grab->cursor;
+ }
+
+ mask.core = stuff->eventMask;
+
+ rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode,
+ stuff->grabWindow, stuff->ownerEvents, stuff->time,
+ &mask, GRABTYPE_CORE, stuff->cursor,
+ stuff->confineTo, &rep.status);
+ if (rc != Success)
+ return rc;
+
+ if (oldCursor && rep.status == GrabSuccess)
+ FreeCursor (oldCursor, (Cursor)0);
+
+ time = ClientTimeToServerTime(stuff->time);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for ChangeActivePointerGrab request.
+ *
+ * Changes properties of the grab hold by the client. If the client does not
+ * hold an active grab on the device, nothing happens.
+ */
+int
+ProcChangeActivePointerGrab(ClientPtr client)
+{
+ DeviceIntPtr device;
+ GrabPtr grab;
+ CursorPtr newCursor, oldCursor;
+ REQUEST(xChangeActivePointerGrabReq);
+ TimeStamp time;
+
+ REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq);
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ if (stuff->cursor == None)
+ newCursor = NullCursor;
+ else
+ {
+ int rc = dixLookupResourceByType((pointer *)&newCursor, stuff->cursor,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return rc;
+ }
+ }
+
+ device = PickPointer(client);
+ grab = device->deviceGrab.grab;
+
+ if (!grab)
+ return Success;
+ if (!SameClient(grab, client))
+ return Success;
+ time = ClientTimeToServerTime(stuff->time);
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
+ return Success;
+ oldCursor = grab->cursor;
+ grab->cursor = newCursor;
+ if (newCursor)
+ newCursor->refcnt++;
+ PostNewCursor(device);
+ if (oldCursor)
+ FreeCursor(oldCursor, (Cursor)0);
+ grab->eventMask = stuff->eventMask;
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabPointer request.
+ *
+ * Deletes a pointer grab on a device the client has grabbed.
+ */
+int
+ProcUngrabPointer(ClientPtr client)
+{
+ DeviceIntPtr device = PickPointer(client);
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+ grab = device->deviceGrab.grab;
+
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client))
+ (*device->deviceGrab.DeactivateGrab)(device);
+ return Success;
+}
+
+/**
+ * Sets a grab on the given device.
+ *
+ * Called from ProcGrabKeyboard to work on the client's keyboard.
+ * Called from ProcXGrabDevice to work on the device specified by the client.
+ *
+ * The parameters this_mode and other_mode represent the keyboard_mode and
+ * pointer_mode parameters of XGrabKeyboard().
+ * See man page for details on all the parameters
+ *
+ * @param client Client that owns the grab.
+ * @param dev The device to grab.
+ * @param this_mode GrabModeSync or GrabModeAsync
+ * @param other_mode GrabModeSync or GrabModeAsync
+ * @param status Return code to be returned to the caller.
+ *
+ * @returns Success or BadValue.
+ */
+int
+GrabDevice(ClientPtr client, DeviceIntPtr dev,
+ unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow,
+ unsigned ownerEvents, Time ctime, GrabMask *mask,
+ int grabtype, Cursor curs, Window confineToWin, CARD8 *status)
+{
+ WindowPtr pWin, confineTo;
+ GrabPtr grab;
+ TimeStamp time;
+ Mask access_mode = DixGrabAccess;
+ int rc;
+ GrabInfoPtr grabInfo = &dev->deviceGrab;
+ CursorPtr cursor;
+
+ UpdateCurrentTime();
+ if ((keyboard_mode != GrabModeSync) && (keyboard_mode != GrabModeAsync))
+ {
+ client->errorValue = keyboard_mode;
+ return BadValue;
+ }
+ if ((pointer_mode != GrabModeSync) && (pointer_mode != GrabModeAsync))
+ {
+ client->errorValue = pointer_mode;
+ return BadValue;
+ }
+ if ((ownerEvents != xFalse) && (ownerEvents != xTrue))
+ {
+ client->errorValue = ownerEvents;
+ return BadValue;
+ }
+
+ rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (confineToWin == None)
+ confineTo = NullWindow;
+ else
+ {
+ rc = dixLookupWindow(&confineTo, confineToWin, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ if (curs == None)
+ cursor = NullCursor;
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&cursor, curs, RT_CURSOR,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = curs;
+ return rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+
+ if (keyboard_mode == GrabModeSync || pointer_mode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc != Success)
+ return rc;
+
+ time = ClientTimeToServerTime(ctime);
+ grab = grabInfo->grab;
+ if (grab && grab->grabtype != grabtype)
+ *status = AlreadyGrabbed;
+ if (grab && !SameClient(grab, client))
+ *status = AlreadyGrabbed;
+ else if ((!pWin->realized) ||
+ (confineTo &&
+ !(confineTo->realized
+ && BorderSizeNotEmpty(dev, confineTo))))
+ *status = GrabNotViewable;
+ else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER))
+ *status = GrabInvalidTime;
+ else if (grabInfo->sync.frozen &&
+ grabInfo->sync.other && !SameClient(grabInfo->sync.other, client))
+ *status = GrabFrozen;
+ else
+ {
+ GrabRec tempGrab;
+
+ /* Otherwise segfaults happen on grabbed MPX devices */
+ memset(&tempGrab, 0, sizeof(GrabRec));
+
+ tempGrab.next = NULL;
+ tempGrab.window = pWin;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.ownerEvents = ownerEvents;
+ tempGrab.keyboardMode = keyboard_mode;
+ tempGrab.pointerMode = pointer_mode;
+ if (grabtype == GRABTYPE_CORE)
+ tempGrab.eventMask = mask->core;
+ else if (grabtype == GRABTYPE_XI)
+ tempGrab.eventMask = mask->xi;
+ else
+ memcpy(tempGrab.xi2mask, mask->xi2mask, sizeof(tempGrab.xi2mask));
+ tempGrab.device = dev;
+ tempGrab.cursor = cursor;
+ tempGrab.confineTo = confineTo;
+ tempGrab.grabtype = grabtype;
+ (*grabInfo->ActivateGrab)(dev, &tempGrab, time, FALSE);
+ *status = GrabSuccess;
+ }
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for GrabKeyboard request.
+ *
+ * Grabs the client's keyboard and returns success status to client.
+ */
+int
+ProcGrabKeyboard(ClientPtr client)
+{
+ xGrabKeyboardReply rep;
+ REQUEST(xGrabKeyboardReq);
+ int result;
+ DeviceIntPtr keyboard = PickKeyboard(client);
+ GrabMask mask;
+
+ REQUEST_SIZE_MATCH(xGrabKeyboardReq);
+
+ memset(&rep, 0, sizeof(xGrabKeyboardReply));
+ mask.core = KeyPressMask | KeyReleaseMask;
+
+ result = GrabDevice(client, keyboard, stuff->pointerMode,
+ stuff->keyboardMode, stuff->grabWindow, stuff->ownerEvents,
+ stuff->time, &mask, GRABTYPE_CORE, None, None,
+ &rep.status);
+
+ if (result != Success)
+ return result;
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabKeyboard request.
+ *
+ * Deletes a possible grab on the client's keyboard.
+ */
+int
+ProcUngrabKeyboard(ClientPtr client)
+{
+ DeviceIntPtr device = PickKeyboard(client);
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+
+ grab = device->deviceGrab.grab;
+
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_CORE)
+ (*device->deviceGrab.DeactivateGrab)(device);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for QueryPointer request.
+ *
+ * Returns the current state and position of the client's ClientPointer to the
+ * client.
+ */
+int
+ProcQueryPointer(ClientPtr client)
+{
+ xQueryPointerReply rep;
+ WindowPtr pWin, t;
+ DeviceIntPtr mouse = PickPointer(client);
+ DeviceIntPtr keyboard;
+ SpritePtr pSprite;
+ int rc;
+ REQUEST(xResourceReq);
+ REQUEST_SIZE_MATCH(xResourceReq);
+
+ rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);
+ if (rc != Success && rc != BadAccess)
+ return rc;
+
+ keyboard = GetPairedDevice(mouse);
+
+ pSprite = mouse->spriteInfo->sprite;
+ if (mouse->valuator->motionHintWindow)
+ MaybeStopHint(mouse, client);
+ memset(&rep, 0, sizeof(xQueryPointerReply));
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.mask = mouse->button ? (mouse->button->state) : 0;
+ rep.mask |= XkbStateFieldFromRec(&keyboard->key->xkbInfo->state);
+ rep.length = 0;
+ rep.root = (GetCurrentRootWindow(mouse))->drawable.id;
+ rep.rootX = pSprite->hot.x;
+ rep.rootY = pSprite->hot.y;
+ rep.child = None;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ rep.sameScreen = xTrue;
+ rep.winX = pSprite->hot.x - pWin->drawable.x;
+ rep.winY = pSprite->hot.y - pWin->drawable.y;
+ for (t = pSprite->win; t; t = t->parent)
+ if (t->parent == pWin)
+ {
+ rep.child = t->drawable.id;
+ break;
+ }
+ }
+ else
+ {
+ rep.sameScreen = xFalse;
+ rep.winX = 0;
+ rep.winY = 0;
+ }
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ rep.rootX += screenInfo.screens[0]->x;
+ rep.rootY += screenInfo.screens[0]->y;
+ if(stuff->id == rep.root) {
+ rep.winX += screenInfo.screens[0]->x;
+ rep.winY += screenInfo.screens[0]->y;
+ }
+ }
+#endif
+
+ if (rc == BadAccess) {
+ rep.mask = 0;
+ rep.child = None;
+ rep.rootX = 0;
+ rep.rootY = 0;
+ rep.winX = 0;
+ rep.winY = 0;
+ }
+
+ WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep);
+
+ return Success;
+}
+
+/**
+ * Initializes the device list and the DIX sprite to sane values. Allocates
+ * trace memory used for quick window traversal.
+ */
+void
+InitEvents(void)
+{
+ int i;
+
+ inputInfo.numDevices = 0;
+ inputInfo.devices = (DeviceIntPtr)NULL;
+ inputInfo.off_devices = (DeviceIntPtr)NULL;
+ inputInfo.keyboard = (DeviceIntPtr)NULL;
+ inputInfo.pointer = (DeviceIntPtr)NULL;
+ /* The mask for pointer motion events may have changed in the last server
+ * generation. See comment above definition of filters. */
+ filters[0][PointerMotionMask] = MotionNotify;
+ for (i = 1; i < MAXDEVICES; i++)
+ {
+ memcpy(&filters[i], filters[0], sizeof(filters[0]));
+ }
+
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ syncEvents.replayWin = NullWindow;
+ while (syncEvents.pending)
+ {
+ QdEventPtr next = syncEvents.pending->next;
+ free(syncEvents.pending);
+ syncEvents.pending = next;
+ }
+ syncEvents.pendtail = &syncEvents.pending;
+ syncEvents.playingEvents = FALSE;
+ syncEvents.time.months = 0;
+ syncEvents.time.milliseconds = 0; /* hardly matters */
+ currentTime.months = 0;
+ currentTime.milliseconds = GetTimeInMillis();
+ lastDeviceEventTime = currentTime;
+ for (i = 0; i < DNPMCOUNT; i++)
+ {
+ DontPropagateMasks[i] = 0;
+ DontPropagateRefCnts[i] = 0;
+ }
+
+ InputEventListLen = GetMaximumEventsNum();
+ InputEventList = InitEventList(InputEventListLen);
+ if (!InputEventList)
+ FatalError("[dix] Failed to allocate input event list.\n");
+}
+
+void
+CloseDownEvents(void)
+{
+ FreeEventList(InputEventList, InputEventListLen);
+ InputEventListLen = 0;
+ InputEventList = NULL;
+}
+
+/**
+ * Server-side protocol handling for SendEvent request.
+ *
+ * Locates the window to send the event to and forwards the event.
+ */
+int
+ProcSendEvent(ClientPtr client)
+{
+ WindowPtr pWin;
+ WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
+ DeviceIntPtr dev = PickPointer(client);
+ DeviceIntPtr keybd = GetPairedDevice(dev);
+ SpritePtr pSprite = dev->spriteInfo->sprite;
+ REQUEST(xSendEventReq);
+
+ REQUEST_SIZE_MATCH(xSendEventReq);
+
+ /* The client's event type must be a core event type or one defined by an
+ extension. */
+
+ if ( ! ((stuff->event.u.u.type > X_Reply &&
+ stuff->event.u.u.type < LASTEvent) ||
+ (stuff->event.u.u.type >= EXTENSION_EVENT_BASE &&
+ stuff->event.u.u.type < (unsigned)lastEvent)))
+ {
+ client->errorValue = stuff->event.u.u.type;
+ return BadValue;
+ }
+ if (stuff->event.u.u.type == ClientMessage &&
+ stuff->event.u.u.detail != 8 &&
+ stuff->event.u.u.detail != 16 &&
+ stuff->event.u.u.detail != 32)
+ {
+ client->errorValue = stuff->event.u.u.detail;
+ return BadValue;
+ }
+ if (stuff->eventMask & ~AllEventMasks)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+
+ if (stuff->destination == PointerWindow)
+ pWin = pSprite->win;
+ else if (stuff->destination == InputFocus)
+ {
+ WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin;
+
+ if (inputFocus == NoneWin)
+ return Success;
+
+ /* If the input focus is PointerRootWin, send the event to where
+ the pointer is if possible, then perhaps propogate up to root. */
+ if (inputFocus == PointerRootWin)
+ inputFocus = GetCurrentRootWindow(dev);
+
+ if (IsParent(inputFocus, pSprite->win))
+ {
+ effectiveFocus = inputFocus;
+ pWin = pSprite->win;
+ }
+ else
+ effectiveFocus = pWin = inputFocus;
+ }
+ else
+ dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess);
+
+ if (!pWin)
+ return BadWindow;
+ if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue))
+ {
+ client->errorValue = stuff->propagate;
+ return BadValue;
+ }
+ stuff->event.u.u.type |= 0x80;
+ if (stuff->propagate)
+ {
+ for (;pWin; pWin = pWin->parent)
+ {
+ if (XaceHook(XACE_SEND_ACCESS, client, NULL, pWin,
+ &stuff->event, 1))
+ return Success;
+ if (DeliverEventsToWindow(dev, pWin,
+ &stuff->event, 1, stuff->eventMask, NullGrab))
+ return Success;
+ if (pWin == effectiveFocus)
+ return Success;
+ stuff->eventMask &= ~wDontPropagateMask(pWin);
+ if (!stuff->eventMask)
+ break;
+ }
+ }
+ else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, &stuff->event, 1))
+ DeliverEventsToWindow(dev, pWin, &stuff->event,
+ 1, stuff->eventMask, NullGrab);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabKey request.
+ *
+ * Deletes a passive grab for the given key. Works on the
+ * client's keyboard.
+ */
+int
+ProcUngrabKey(ClientPtr client)
+{
+ REQUEST(xUngrabKeyReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+ DeviceIntPtr keybd = PickKeyboard(client);
+ int rc;
+
+ REQUEST_SIZE_MATCH(xUngrabKeyReq);
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
+ (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = keybd;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = GetPairedDevice(keybd);
+ tempGrab.type = KeyPress;
+ tempGrab.grabtype = GRABTYPE_CORE;
+ tempGrab.detail.exact = stuff->key;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.next = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return BadAlloc;
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for GrabKey request.
+ *
+ * Creates a grab for the client's keyboard and adds it to the list of passive
+ * grabs.
+ */
+int
+ProcGrabKey(ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xGrabKeyReq);
+ GrabPtr grab;
+ DeviceIntPtr keybd = PickKeyboard(client);
+ int rc;
+ GrabParameters param;
+ GrabMask mask;
+
+ REQUEST_SIZE_MATCH(xGrabKeyReq);
+
+ memset(&param, 0, sizeof(param));
+ param.grabtype = GRABTYPE_CORE;
+ param.ownerEvents = stuff->ownerEvents;
+ param.this_device_mode = stuff->keyboardMode;
+ param.other_devices_mode = stuff->pointerMode;
+ param.modifiers = stuff->modifiers;
+
+ rc = CheckGrabValues(client, &param);
+ if (rc != Success)
+ return rc;
+
+ if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
+ (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+
+ mask.core = (KeyPressMask | KeyReleaseMask);
+
+ grab = CreateGrab(client->index, keybd, keybd, pWin, GRABTYPE_CORE, &mask,
+ &param, KeyPress, stuff->key, NullWindow, NullCursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+
+/**
+ * Server-side protocol handling for GrabButton request.
+ *
+ * Creates a grab for the client's ClientPointer and adds it as a passive grab
+ * to the list.
+ */
+int
+ProcGrabButton(ClientPtr client)
+{
+ WindowPtr pWin, confineTo;
+ REQUEST(xGrabButtonReq);
+ CursorPtr cursor;
+ GrabPtr grab;
+ DeviceIntPtr ptr, modifierDevice;
+ Mask access_mode = DixGrabAccess;
+ GrabMask mask;
+ GrabParameters param;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xGrabButtonReq);
+ if ((stuff->pointerMode != GrabModeSync) &&
+ (stuff->pointerMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->pointerMode;
+ return BadValue;
+ }
+ if ((stuff->keyboardMode != GrabModeSync) &&
+ (stuff->keyboardMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->keyboardMode;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+ {
+ client->errorValue = stuff->ownerEvents;
+ return BadValue;
+ }
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else {
+ rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ if (stuff->cursor == None)
+ cursor = NullCursor;
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&cursor, stuff->cursor, RT_CURSOR,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+
+ ptr = PickPointer(client);
+ modifierDevice = GetPairedDevice(ptr);
+ if (stuff->pointerMode == GrabModeSync ||
+ stuff->keyboardMode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, access_mode);
+ if (rc != Success)
+ return rc;
+
+ memset(&param, 0, sizeof(param));
+ param.grabtype = GRABTYPE_CORE;
+ param.ownerEvents = stuff->ownerEvents;
+ param.this_device_mode = stuff->keyboardMode;
+ param.other_devices_mode = stuff->pointerMode;
+ param.modifiers = stuff->modifiers;
+
+ mask.core = stuff->eventMask;
+
+ grab = CreateGrab(client->index, ptr, modifierDevice, pWin,
+ GRABTYPE_CORE, &mask, &param, ButtonPress,
+ stuff->button, confineTo, cursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+/**
+ * Server-side protocol handling for UngrabButton request.
+ *
+ * Deletes a passive grab on the client's ClientPointer from the list.
+ */
+int
+ProcUngrabButton(ClientPtr client)
+{
+ REQUEST(xUngrabButtonReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+ int rc;
+ DeviceIntPtr ptr;
+
+ REQUEST_SIZE_MATCH(xUngrabButtonReq);
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ ptr = PickPointer(client);
+
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = ptr;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = GetPairedDevice(ptr);
+ tempGrab.type = ButtonPress;
+ tempGrab.detail.exact = stuff->button;
+ tempGrab.grabtype = GRABTYPE_CORE;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.next = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return BadAlloc;
+ return Success;
+}
+
+/**
+ * Deactivate any grab that may be on the window, remove the focus.
+ * Delete any XInput extension events from the window too. Does not change the
+ * window mask. Use just before the window is deleted.
+ *
+ * If freeResources is set, passive grabs on the window are deleted.
+ *
+ * @param pWin The window to delete events from.
+ * @param freeResources True if resources associated with the window should be
+ * deleted.
+ */
+void
+DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources)
+{
+ WindowPtr parent;
+ DeviceIntPtr mouse = inputInfo.pointer;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+ FocusClassPtr focus;
+ OtherClientsPtr oc;
+ GrabPtr passive;
+ GrabPtr grab;
+
+
+ /* Deactivate any grabs performed on this window, before making any
+ input focus changes. */
+ grab = mouse->deviceGrab.grab;
+ if (grab &&
+ ((grab->window == pWin) || (grab->confineTo == pWin)))
+ (*mouse->deviceGrab.DeactivateGrab)(mouse);
+
+
+ /* Deactivating a keyboard grab should cause focus events. */
+ grab = keybd->deviceGrab.grab;
+ if (grab && (grab->window == pWin))
+ (*keybd->deviceGrab.DeactivateGrab)(keybd);
+
+ /* And now the real devices */
+ for (mouse = inputInfo.devices; mouse; mouse = mouse->next)
+ {
+ grab = mouse->deviceGrab.grab;
+ if (grab && ((grab->window == pWin) || (grab->confineTo == pWin)))
+ (*mouse->deviceGrab.DeactivateGrab)(mouse);
+ }
+
+
+ for (keybd = inputInfo.devices; keybd; keybd = keybd->next)
+ {
+ if (IsKeyboardDevice(keybd))
+ {
+ focus = keybd->focus;
+
+ /* If the focus window is a root window (ie. has no parent) then don't
+ delete the focus from it. */
+
+ if ((pWin == focus->win) && (pWin->parent != NullWindow))
+ {
+ int focusEventMode = NotifyNormal;
+
+ /* If a grab is in progress, then alter the mode of focus events. */
+
+ if (keybd->deviceGrab.grab)
+ focusEventMode = NotifyWhileGrabbed;
+
+ switch (focus->revert)
+ {
+ case RevertToNone:
+ DoFocusEvents(keybd, pWin, NoneWin, focusEventMode);
+ focus->win = NoneWin;
+ focus->traceGood = 0;
+ break;
+ case RevertToParent:
+ parent = pWin;
+ do
+ {
+ parent = parent->parent;
+ focus->traceGood--;
+ } while (!parent->realized
+ /* This would be a good protocol change -- windows being reparented
+ during SaveSet processing would cause the focus to revert to the
+ nearest enclosing window which will survive the death of the exiting
+ client, instead of ending up reverting to a dying window and thence
+ to None
+ */
+#ifdef NOTDEF
+ || wClient(parent)->clientGone
+#endif
+ );
+ if (!ActivateFocusInGrab(keybd, pWin, parent))
+ DoFocusEvents(keybd, pWin, parent, focusEventMode);
+ focus->win = parent;
+ focus->revert = RevertToNone;
+ break;
+ case RevertToPointerRoot:
+ if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin))
+ DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode);
+ focus->win = PointerRootWin;
+ focus->traceGood = 0;
+ break;
+ }
+ }
+ }
+
+ if (IsPointerDevice(keybd))
+ {
+ if (keybd->valuator->motionHintWindow == pWin)
+ keybd->valuator->motionHintWindow = NullWindow;
+ }
+ }
+
+ if (freeResources)
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ while ( (oc = wOtherClients(pWin)) )
+ FreeResource(oc->resource, RT_NONE);
+ while ( (passive = wPassiveGrabs(pWin)) )
+ FreeResource(passive->resource, RT_NONE);
+ }
+
+ DeleteWindowFromAnyExtEvents(pWin, freeResources);
+}
+
+/**
+ * Call this whenever some window at or below pWin has changed geometry. If
+ * there is a grab on the window, the cursor will be re-confined into the
+ * window.
+ */
+void
+CheckCursorConfinement(WindowPtr pWin)
+{
+ GrabPtr grab;
+ WindowPtr confineTo;
+ DeviceIntPtr pDev;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return;
+#endif
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ grab = pDev->deviceGrab.grab;
+ if (grab && (confineTo = grab->confineTo))
+ {
+ if (!BorderSizeNotEmpty(pDev, confineTo))
+ (*pDev->deviceGrab.DeactivateGrab)(pDev);
+ else if ((pWin == confineTo) || IsParent(pWin, confineTo))
+ ConfineCursorToWindow(pDev, confineTo, TRUE, TRUE);
+ }
+ }
+ }
+}
+
+Mask
+EventMaskForClient(WindowPtr pWin, ClientPtr client)
+{
+ OtherClientsPtr other;
+
+ if (wClient (pWin) == client)
+ return pWin->eventMask;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (SameClient(other, client))
+ return other->mask;
+ }
+ return 0;
+}
+
+/**
+ * Server-side protocol handling for RecolorCursor request.
+ */
+int
+ProcRecolorCursor(ClientPtr client)
+{
+ CursorPtr pCursor;
+ int rc, nscr;
+ ScreenPtr pscr;
+ Bool displayed;
+ SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
+ REQUEST(xRecolorCursorReq);
+
+ REQUEST_SIZE_MATCH(xRecolorCursorReq);
+ rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR,
+ client, DixWriteAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return rc;
+ }
+
+ pCursor->foreRed = stuff->foreRed;
+ pCursor->foreGreen = stuff->foreGreen;
+ pCursor->foreBlue = stuff->foreBlue;
+
+ pCursor->backRed = stuff->backRed;
+ pCursor->backGreen = stuff->backGreen;
+ pCursor->backBlue = stuff->backBlue;
+
+ for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+ {
+ pscr = screenInfo.screens[nscr];
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ displayed = (pscr == pSprite->screen);
+ else
+#endif
+ displayed = (pscr == pSprite->hotPhys.pScreen);
+ ( *pscr->RecolorCursor)(PickPointer(client), pscr, pCursor,
+ (pCursor == pSprite->current) && displayed);
+ }
+ return Success;
+}
+
+/**
+ * Write the given events to a client, swapping the byte order if necessary.
+ * To swap the byte ordering, a callback is called that has to be set up for
+ * the given event type.
+ *
+ * In the case of DeviceMotionNotify trailed by DeviceValuators, the events
+ * can be more than one. Usually it's just one event.
+ *
+ * Do not modify the event structure passed in. See comment below.
+ *
+ * @param pClient Client to send events to.
+ * @param count Number of events.
+ * @param events The event list.
+ */
+void
+WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
+{
+#ifdef PANORAMIX
+ xEvent eventCopy;
+#endif
+ xEvent *eventTo, *eventFrom;
+ int i,
+ eventlength = sizeof(xEvent);
+
+ if (!pClient || pClient == serverClient || pClient->clientGone)
+ return;
+
+ for (i = 0; i < count; i++)
+ if ((events[i].u.u.type & 0x7f) != KeymapNotify)
+ events[i].u.u.sequenceNumber = pClient->sequence;
+
+ /* Let XKB rewrite the state, as it depends on client preferences. */
+ XkbFilterEvents(pClient, count, events);
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension &&
+ (screenInfo.screens[0]->x || screenInfo.screens[0]->y))
+ {
+ switch(events->u.u.type) {
+ case MotionNotify:
+ case ButtonPress:
+ case ButtonRelease:
+ case KeyPress:
+ case KeyRelease:
+ case EnterNotify:
+ case LeaveNotify:
+ /*
+ When multiple clients want the same event DeliverEventsToWindow
+ passes the same event structure multiple times so we can't
+ modify the one passed to us
+ */
+ count = 1; /* should always be 1 */
+ memcpy(&eventCopy, events, sizeof(xEvent));
+ eventCopy.u.keyButtonPointer.rootX += screenInfo.screens[0]->x;
+ eventCopy.u.keyButtonPointer.rootY += screenInfo.screens[0]->y;
+ if(eventCopy.u.keyButtonPointer.event ==
+ eventCopy.u.keyButtonPointer.root)
+ {
+ eventCopy.u.keyButtonPointer.eventX += screenInfo.screens[0]->x;
+ eventCopy.u.keyButtonPointer.eventY += screenInfo.screens[0]->y;
+ }
+ events = &eventCopy;
+ break;
+ default: break;
+ }
+ }
+#endif
+
+ if (EventCallback)
+ {
+ EventInfoRec eventinfo;
+ eventinfo.client = pClient;
+ eventinfo.events = events;
+ eventinfo.count = count;
+ CallCallbacks(&EventCallback, (pointer)&eventinfo);
+ }
+#ifdef XSERVER_DTRACE
+ if (XSERVER_SEND_EVENT_ENABLED()) {
+ for (i = 0; i < count; i++)
+ {
+ XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i]);
+ }
+ }
+#endif
+ /* Just a safety check to make sure we only have one GenericEvent, it just
+ * makes things easier for me right now. (whot) */
+ for (i = 1; i < count; i++)
+ {
+ if (events[i].u.u.type == GenericEvent)
+ {
+ ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n");
+ return;
+ }
+ }
+
+ if (events->u.u.type == GenericEvent)
+ {
+ eventlength += ((xGenericEvent*)events)->length * 4;
+ }
+
+ if(pClient->swapped)
+ {
+ if (eventlength > swapEventLen)
+ {
+ swapEventLen = eventlength;
+ swapEvent = realloc(swapEvent, swapEventLen);
+ if (!swapEvent)
+ {
+ FatalError("WriteEventsToClient: Out of memory.\n");
+ return;
+ }
+ }
+
+ for(i = 0; i < count; i++)
+ {
+ eventFrom = &events[i];
+ eventTo = swapEvent;
+
+ /* Remember to strip off the leading bit of type in case
+ this event was sent with "SendEvent." */
+ (*EventSwapVector[eventFrom->u.u.type & 0177])
+ (eventFrom, eventTo);
+
+ WriteToClient(pClient, eventlength, (char *)eventTo);
+ }
+ }
+ else
+ {
+ /* only one GenericEvent, remember? that means either count is 1 and
+ * eventlength is arbitrary or eventlength is 32 and count doesn't
+ * matter. And we're all set. Woohoo. */
+ WriteToClient(pClient, count * eventlength, (char *) events);
+ }
+}
+
+/*
+ * Set the client pointer for the given client.
+ *
+ * A client can have exactly one ClientPointer. Each time a
+ * request/reply/event is processed and the choice of devices is ambiguous
+ * (e.g. QueryPointer request), the server will pick the ClientPointer (see
+ * PickPointer()).
+ * If a keyboard is needed, the first keyboard paired with the CP is used.
+ */
+int
+SetClientPointer(ClientPtr client, DeviceIntPtr device)
+{
+ int rc = XaceHook(XACE_DEVICE_ACCESS, client, device, DixUseAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!IsMaster(device))
+ {
+ ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n");
+ return BadDevice;
+ } else if (!device->spriteInfo->spriteOwner)
+ {
+ ErrorF("[dix] Device %d does not have a sprite. "
+ "Cannot be ClientPointer\n", device->id);
+ return BadDevice;
+ }
+ client->clientPtr = device;
+ return Success;
+}
+
+/* PickPointer will pick an appropriate pointer for the given client.
+ *
+ * An "appropriate device" is (in order of priority):
+ * 1) A device the given client has a core grab on.
+ * 2) A device set as ClientPointer for the given client.
+ * 3) The first master device.
+ */
+DeviceIntPtr
+PickPointer(ClientPtr client)
+{
+ DeviceIntPtr it = inputInfo.devices;
+
+ /* First, check if the client currently has a grab on a device. Even
+ * keyboards count. */
+ for(it = inputInfo.devices; it; it = it->next)
+ {
+ GrabPtr grab = it->deviceGrab.grab;
+ if (grab && grab->grabtype == GRABTYPE_CORE && SameClient(grab, client))
+ {
+ it = GetMaster(it, MASTER_POINTER);
+ return it; /* Always return a core grabbed device */
+ }
+ }
+
+ if (!client->clientPtr)
+ {
+ DeviceIntPtr it = inputInfo.devices;
+ while (it)
+ {
+ if (IsMaster(it) && it->spriteInfo->spriteOwner)
+ {
+ client->clientPtr = it;
+ break;
+ }
+ it = it->next;
+ }
+ }
+ return client->clientPtr;
+}
+
+/* PickKeyboard will pick an appropriate keyboard for the given client by
+ * searching the list of devices for the keyboard device that is paired with
+ * the client's pointer.
+ */
+DeviceIntPtr
+PickKeyboard(ClientPtr client)
+{
+ DeviceIntPtr ptr = PickPointer(client);
+ DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD);
+
+ if (!kbd)
+ {
+ ErrorF("[dix] ClientPointer not paired with a keyboard. This "
+ "is a bug.\n");
+ }
+
+ return kbd;
+}
+
+/* A client that has one or more core grabs does not get core events from
+ * devices it does not have a grab on. Legacy applications behave bad
+ * otherwise because they are not used to it and the events interfere.
+ * Only applies for core events.
+ *
+ * Return true if a core event from the device would interfere and should not
+ * be delivered.
+ */
+Bool
+IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent* event)
+{
+ DeviceIntPtr it = inputInfo.devices;
+
+ switch(event->u.u.type)
+ {
+ case KeyPress:
+ case KeyRelease:
+ case ButtonPress:
+ case ButtonRelease:
+ case MotionNotify:
+ case EnterNotify:
+ case LeaveNotify:
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
+ return FALSE;
+
+ while(it)
+ {
+ if (it != dev)
+ {
+ if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)
+ && !it->deviceGrab.fromPassiveGrab)
+ {
+ if ((IsPointerDevice(it) && IsPointerDevice(dev)) ||
+ (IsKeyboardDevice(it) && IsKeyboardDevice(dev)))
+ return TRUE;
+ }
+ }
+ it = it->next;
+ }
+
+ return FALSE;
+}
+
diff --git a/xorg-server/dix/getevents.c b/xorg-server/dix/getevents.c
index f58c41df2..73fb2370f 100644
--- a/xorg-server/dix/getevents.c
+++ b/xorg-server/dix/getevents.c
@@ -1,1338 +1,1339 @@
-/*
- * Copyright © 2006 Nokia Corporation
- * Copyright © 2006-2007 Daniel Stone
- * Copyright © 2008 Red Hat, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Daniel Stone <daniel@fooishbar.org>
- * Peter Hutterer <peter.hutterer@who-t.net>
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/keysym.h>
-#include <X11/Xproto.h>
-#include <math.h>
-
-#include "misc.h"
-#include "resource.h"
-#include "inputstr.h"
-#include "scrnintstr.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "globals.h"
-#include "dixevents.h"
-#include "mipointer.h"
-#include "eventstr.h"
-#include "eventconvert.h"
-#include "inpututils.h"
-
-#include <X11/extensions/XKBproto.h>
-#include "xkbsrv.h"
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include <pixman.h>
-#include "exglobals.h"
-#include "exevents.h"
-#include "exglobals.h"
-#include "extnsionst.h"
-#include "listdev.h" /* for sizing up DeviceClassesChangedEvent */
-
-#ifdef _MSC_VER
-#include <math.h>
-
-float roundf(float f)
-{
- return ((f<0.0f) ? ceil(f-.5) : floor (f+.5));
-}
-double roundd(double f)
-{
- return ((f<0.0) ? ceil(f-.5) : floor (f+.5));
-}
-#define lroundf(val) ((int)roundf(val))
-#define lround(val) ((int)roundd(val))
-#endif
-
-/* Number of motion history events to store. */
-#define MOTION_HISTORY_SIZE 256
-
-/* InputEventList is the container list for all input events generated by the
- * DDX. The DDX is expected to call GetEventList() and then pass the list into
- * Get{Pointer|Keyboard}Events.
- */
-EventListPtr InputEventList = NULL;
-int InputEventListLen = 0;
-
-int
-GetEventList(EventListPtr* list)
-{
- *list = InputEventList;
- return InputEventListLen;
-}
-
-/**
- * Pick some arbitrary size for Xi motion history.
- */
-int
-GetMotionHistorySize(void)
-{
- return MOTION_HISTORY_SIZE;
-}
-
-void
-set_button_down(DeviceIntPtr pDev, int button, int type)
-{
- if (type == BUTTON_PROCESSED)
- SetBit(pDev->button->down, button);
- else
- SetBit(pDev->button->postdown, button);
-}
-
-void
-set_button_up(DeviceIntPtr pDev, int button, int type)
-{
- if (type == BUTTON_PROCESSED)
- ClearBit(pDev->button->down, button);
- else
- ClearBit(pDev->button->postdown, button);
-}
-
-Bool
-button_is_down(DeviceIntPtr pDev, int button, int type)
-{
- Bool ret = FALSE;
-
- if (type & BUTTON_PROCESSED)
- ret = ret || BitIsOn(pDev->button->down, button);
- if (type & BUTTON_POSTED)
- ret = ret || BitIsOn(pDev->button->postdown, button);
-
- return ret;
-}
-
-void
-set_key_down(DeviceIntPtr pDev, int key_code, int type)
-{
- if (type == KEY_PROCESSED)
- SetBit(pDev->key->down, key_code);
- else
- SetBit(pDev->key->postdown, key_code);
-}
-
-void
-set_key_up(DeviceIntPtr pDev, int key_code, int type)
-{
- if (type == KEY_PROCESSED)
- ClearBit(pDev->key->down, key_code);
- else
- ClearBit(pDev->key->postdown, key_code);
-}
-
-Bool
-key_is_down(DeviceIntPtr pDev, int key_code, int type)
-{
- Bool ret = FALSE;
-
- if (type & KEY_PROCESSED)
- ret = ret || BitIsOn(pDev->key->down, key_code);
- if (type & KEY_POSTED)
- ret = ret || BitIsOn(pDev->key->postdown, key_code);
-
- return ret;
-}
-
-static Bool
-key_autorepeats(DeviceIntPtr pDev, int key_code)
-{
- return !!(pDev->kbdfeed->ctrl.autoRepeats[key_code >> 3] &
- (1 << (key_code & 7)));
-}
-
-static void
-init_event(DeviceIntPtr dev, DeviceEvent* event, Time ms)
-{
- memset(event, 0, sizeof(DeviceEvent));
- event->header = ET_Internal;
- event->length = sizeof(DeviceEvent);
- event->time = ms;
- event->deviceid = dev->id;
- event->sourceid = dev->id;
-}
-
-static void
-init_raw(DeviceIntPtr dev, RawDeviceEvent *event, Time ms, int type, int detail)
-{
- memset(event, 0, sizeof(RawDeviceEvent));
- event->header = ET_Internal;
- event->length = sizeof(RawDeviceEvent);
- event->type = ET_RawKeyPress - ET_KeyPress + type;
- event->time = ms;
- event->deviceid = dev->id;
- event->sourceid = dev->id;
- event->detail.button = detail;
-}
-
-static void
-set_raw_valuators(RawDeviceEvent *event, ValuatorMask *mask, int32_t* data)
-{
- int i;
-
- for (i = 0; i < valuator_mask_size(mask); i++)
- {
- if (valuator_mask_isset(mask, i))
- {
- SetBit(event->valuators.mask, i);
- data[i] = valuator_mask_get(mask, i);
- }
- }
-}
-
-
-static void
-set_valuators(DeviceIntPtr dev, DeviceEvent* event, ValuatorMask *mask)
-{
- int i;
-
- for (i = 0; i < valuator_mask_size(mask); i++)
- {
- if (valuator_mask_isset(mask, i))
- {
- SetBit(event->valuators.mask, i);
- if (valuator_get_mode(dev, i) == Absolute)
- SetBit(event->valuators.mode, i);
- event->valuators.data[i] = valuator_mask_get(mask, i);
- event->valuators.data_frac[i] =
- dev->last.remainder[i] * (1 << 16) * (1 << 16);
- }
- }
-}
-
-void
-CreateClassesChangedEvent(EventList* event,
- DeviceIntPtr master,
- DeviceIntPtr slave,
- int type)
-{
- int i;
- DeviceChangedEvent *dce;
- CARD32 ms = GetTimeInMillis();
-
- dce = (DeviceChangedEvent*)event->event;
- memset(dce, 0, sizeof(DeviceChangedEvent));
- dce->deviceid = slave->id;
- dce->masterid = master->id;
- dce->header = ET_Internal;
- dce->length = sizeof(DeviceChangedEvent);
- dce->type = ET_DeviceChanged;
- dce->time = ms;
- dce->flags = type;
- dce->flags |= DEVCHANGE_SLAVE_SWITCH;
- dce->sourceid = slave->id;
-
- if (slave->button)
- {
- dce->buttons.num_buttons = slave->button->numButtons;
- for (i = 0; i < dce->buttons.num_buttons; i++)
- dce->buttons.names[i] = slave->button->labels[i];
- }
- if (slave->valuator)
- {
- dce->num_valuators = slave->valuator->numAxes;
- for (i = 0; i < dce->num_valuators; i++)
- {
- dce->valuators[i].min = slave->valuator->axes[i].min_value;
- dce->valuators[i].max = slave->valuator->axes[i].max_value;
- dce->valuators[i].resolution = slave->valuator->axes[i].resolution;
- dce->valuators[i].mode = slave->valuator->axes[i].mode;
- dce->valuators[i].name = slave->valuator->axes[i].label;
- }
- }
- if (slave->key)
- {
- dce->keys.min_keycode = slave->key->xkbInfo->desc->min_key_code;
- dce->keys.max_keycode = slave->key->xkbInfo->desc->max_key_code;
- }
-}
-
-/**
- * Rescale the coord between the two axis ranges.
- */
-static int
-rescaleValuatorAxis(int coord, float remainder, float *remainder_return, AxisInfoPtr from, AxisInfoPtr to,
- int defmax)
-{
- int fmin = 0, tmin = 0, fmax = defmax, tmax = defmax, coord_return;
- float value;
-
- if(from && from->min_value < from->max_value) {
- fmin = from->min_value;
- fmax = from->max_value;
- }
- if(to && to->min_value < to->max_value) {
- tmin = to->min_value;
- tmax = to->max_value;
- }
-
- if(fmin == tmin && fmax == tmax) {
- if (remainder_return)
- *remainder_return = remainder;
- return coord;
- }
-
- if(fmax == fmin) { /* avoid division by 0 */
- if (remainder_return)
- *remainder_return = 0.0;
- return 0;
- }
-
- value = (coord + remainder - fmin) * (tmax - tmin) / (fmax - fmin) + tmin;
- coord_return = lroundf(value);
- if (remainder_return)
- *remainder_return = value - coord_return;
- return coord_return;
-}
-
-/**
- * Update all coordinates when changing to a different SD
- * to ensure that relative reporting will work as expected
- * without loss of precision.
- *
- * pDev->last.valuators will be in absolute device coordinates after this
- * function.
- */
-static void
-updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
-{
- ScreenPtr scr = miPointerGetScreen(pDev);
- int i;
- DeviceIntPtr lastSlave;
-
- /* master->last.valuators[0]/[1] is in screen coords and the actual
- * position of the pointer */
- pDev->last.valuators[0] = master->last.valuators[0];
- pDev->last.valuators[1] = master->last.valuators[1];
-
- if (!pDev->valuator)
- return;
-
- /* scale back to device coordinates */
- if(pDev->valuator->numAxes > 0)
- pDev->last.valuators[0] = rescaleValuatorAxis(pDev->last.valuators[0], pDev->last.remainder[0],
- &pDev->last.remainder[0], NULL, pDev->valuator->axes + 0, scr->width);
- if(pDev->valuator->numAxes > 1)
- pDev->last.valuators[1] = rescaleValuatorAxis(pDev->last.valuators[1], pDev->last.remainder[1],
- &pDev->last.remainder[1], NULL, pDev->valuator->axes + 1, scr->height);
-
- /* calculate the other axis as well based on info from the old
- * slave-device. If the old slave had less axes than this one,
- * last.valuators is reset to 0.
- */
- if ((lastSlave = master->last.slave) && lastSlave->valuator) {
- for (i = 2; i < pDev->valuator->numAxes; i++) {
- if (i >= lastSlave->valuator->numAxes)
- pDev->last.valuators[i] = 0;
- else
- pDev->last.valuators[i] =
- rescaleValuatorAxis(pDev->last.valuators[i],
- pDev->last.remainder[i],
- &pDev->last.remainder[i],
- lastSlave->valuator->axes + i,
- pDev->valuator->axes + i, 0);
- }
- }
-
-}
-
-/**
- * Allocate the motion history buffer.
- */
-void
-AllocateMotionHistory(DeviceIntPtr pDev)
-{
- int size;
- free(pDev->valuator->motion);
-
- if (pDev->valuator->numMotionEvents < 1)
- return;
-
- /* An MD must have a motion history size large enough to keep all
- * potential valuators, plus the respective range of the valuators.
- * 3 * INT32 for (min_val, max_val, curr_val))
- */
- if (IsMaster(pDev))
- size = sizeof(INT32) * 3 * MAX_VALUATORS;
- else {
- ValuatorClassPtr v = pDev->valuator;
- int numAxes;
- /* XI1 doesn't understand mixed mode devices */
- for (numAxes = 0; numAxes < v->numAxes; numAxes++)
- if (valuator_get_mode(pDev, numAxes) != valuator_get_mode(pDev, 0))
- break;
- size = sizeof(INT32) * numAxes;
- }
-
- size += sizeof(Time);
-
- pDev->valuator->motion = calloc(pDev->valuator->numMotionEvents, size);
- pDev->valuator->first_motion = 0;
- pDev->valuator->last_motion = 0;
- if (!pDev->valuator->motion)
- ErrorF("[dix] %s: Failed to alloc motion history (%d bytes).\n",
- pDev->name, size * pDev->valuator->numMotionEvents);
-}
-
-/**
- * Dump the motion history between start and stop into the supplied buffer.
- * Only records the event for a given screen in theory, but in practice, we
- * sort of ignore this.
- *
- * If core is set, we only generate x/y, in INT16, scaled to screen coords.
- */
-int
-GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start,
- unsigned long stop, ScreenPtr pScreen, BOOL core)
-{
- char *ibuff = NULL, *obuff;
- int i = 0, ret = 0;
- int j, coord;
- Time current;
- /* The size of a single motion event. */
- int size;
- int dflt;
- AxisInfo from, *to; /* for scaling */
- INT32 *ocbuf, *icbuf; /* pointer to coordinates for copying */
- INT16 *corebuf;
- AxisInfo core_axis = {0};
-
- if (!pDev->valuator || !pDev->valuator->numMotionEvents)
- return 0;
-
- if (core && !pScreen)
- return 0;
-
- if (IsMaster(pDev))
- size = (sizeof(INT32) * 3 * MAX_VALUATORS) + sizeof(Time);
- else
- size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
-
- *buff = malloc(size * pDev->valuator->numMotionEvents);
- if (!(*buff))
- return 0;
- obuff = (char *)*buff;
-
- for (i = pDev->valuator->first_motion;
- i != pDev->valuator->last_motion;
- i = (i + 1) % pDev->valuator->numMotionEvents) {
- /* We index the input buffer by which element we're accessing, which
- * is not monotonic, and the output buffer by how many events we've
- * written so far. */
- ibuff = (char *) pDev->valuator->motion + (i * size);
- memcpy(&current, ibuff, sizeof(Time));
-
- if (current > stop) {
- return ret;
- }
- else if (current >= start) {
- if (core)
- {
- memcpy(obuff, ibuff, sizeof(Time)); /* copy timestamp */
-
- icbuf = (INT32*)(ibuff + sizeof(Time));
- corebuf = (INT16*)(obuff + sizeof(Time));
-
- /* fetch x coordinate + range */
- memcpy(&from.min_value, icbuf++, sizeof(INT32));
- memcpy(&from.max_value, icbuf++, sizeof(INT32));
- memcpy(&coord, icbuf++, sizeof(INT32));
-
- /* scale to screen coords */
- to = &core_axis;
- to->max_value = pScreen->width;
- coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, pScreen->width);
-
- memcpy(corebuf, &coord, sizeof(INT16));
- corebuf++;
-
- /* fetch y coordinate + range */
- memcpy(&from.min_value, icbuf++, sizeof(INT32));
- memcpy(&from.max_value, icbuf++, sizeof(INT32));
- memcpy(&coord, icbuf++, sizeof(INT32));
-
- to->max_value = pScreen->height;
- coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, pScreen->height);
- memcpy(corebuf, &coord, sizeof(INT16));
-
- } else if (IsMaster(pDev))
- {
- memcpy(obuff, ibuff, sizeof(Time)); /* copy timestamp */
-
- ocbuf = (INT32*)(obuff + sizeof(Time));
- icbuf = (INT32*)(ibuff + sizeof(Time));
- for (j = 0; j < MAX_VALUATORS; j++)
- {
- if (j >= pDev->valuator->numAxes)
- break;
-
- /* fetch min/max/coordinate */
- memcpy(&from.min_value, icbuf++, sizeof(INT32));
- memcpy(&from.max_value, icbuf++, sizeof(INT32));
- memcpy(&coord, icbuf++, sizeof(INT32));
-
- to = (j < pDev->valuator->numAxes) ? &pDev->valuator->axes[j] : NULL;
-
- /* x/y scaled to screen if no range is present */
- if (j == 0 && (from.max_value < from.min_value))
- from.max_value = pScreen->width;
- else if (j == 1 && (from.max_value < from.min_value))
- from.max_value = pScreen->height;
-
- if (j == 0 && (to->max_value < to->min_value))
- dflt = pScreen->width;
- else if (j == 1 && (to->max_value < to->min_value))
- dflt = pScreen->height;
- else
- dflt = 0;
-
- /* scale from stored range into current range */
- coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, 0);
- memcpy(ocbuf, &coord, sizeof(INT32));
- ocbuf++;
- }
- } else
- memcpy(obuff, ibuff, size);
-
- /* don't advance by size here. size may be different to the
- * actually written size if the MD has less valuators than MAX */
- if (core)
- obuff += sizeof(INT32) + sizeof(Time);
- else
- obuff += (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
- ret++;
- }
- }
-
- return ret;
-}
-
-
-/**
- * Update the motion history for a specific device, with the list of
- * valuators.
- *
- * Layout of the history buffer:
- * for SDs: [time] [val0] [val1] ... [valn]
- * for MDs: [time] [min_val0] [max_val0] [val0] [min_val1] ... [valn]
- *
- * For events that have some valuators unset:
- * min_val == max_val == val == 0.
- */
-static void
-updateMotionHistory(DeviceIntPtr pDev, CARD32 ms, ValuatorMask *mask,
- int *valuators)
-{
- char *buff = (char *) pDev->valuator->motion;
- ValuatorClassPtr v;
- int i;
-
- if (!pDev->valuator->numMotionEvents)
- return;
-
- v = pDev->valuator;
- if (IsMaster(pDev))
- {
- buff += ((sizeof(INT32) * 3 * MAX_VALUATORS) + sizeof(CARD32)) *
- v->last_motion;
-
- memcpy(buff, &ms, sizeof(Time));
- buff += sizeof(Time);
-
- memset(buff, 0, sizeof(INT32) * 3 * MAX_VALUATORS);
-
- for (i = 0; i < v->numAxes; i++)
- {
- /* XI1 doesn't support mixed mode devices */
- if (valuator_get_mode(pDev, i) != valuator_get_mode(pDev, 0))
- break;
- if (valuator_mask_size(mask) <= i || !valuator_mask_isset(mask, i))
- {
- buff += 3 * sizeof(INT32);
- continue;
- }
- memcpy(buff, &v->axes[i].min_value, sizeof(INT32));
- buff += sizeof(INT32);
- memcpy(buff, &v->axes[i].max_value, sizeof(INT32));
- buff += sizeof(INT32);
- memcpy(buff, &valuators[i], sizeof(INT32));
- buff += sizeof(INT32);
- }
- } else
- {
-
- buff += ((sizeof(INT32) * pDev->valuator->numAxes) + sizeof(CARD32)) *
- pDev->valuator->last_motion;
-
- memcpy(buff, &ms, sizeof(Time));
- buff += sizeof(Time);
-
- memset(buff, 0, sizeof(INT32) * pDev->valuator->numAxes);
-
- for (i = 0; i < MAX_VALUATORS; i++)
- {
- if (valuator_mask_size(mask) <= i || !valuator_mask_isset(mask, i))
- {
- buff += sizeof(INT32);
- continue;
- }
- memcpy(buff, &valuators[i], sizeof(INT32));
- buff += sizeof(INT32);
- }
- }
-
- pDev->valuator->last_motion = (pDev->valuator->last_motion + 1) %
- pDev->valuator->numMotionEvents;
- /* If we're wrapping around, just keep the circular buffer going. */
- if (pDev->valuator->first_motion == pDev->valuator->last_motion)
- pDev->valuator->first_motion = (pDev->valuator->first_motion + 1) %
- pDev->valuator->numMotionEvents;
-
- return;
-}
-
-
-/**
- * Returns the maximum number of events GetKeyboardEvents,
- * GetKeyboardValuatorEvents, and GetPointerEvents will ever return.
- *
- * This MUST be absolutely constant, from init until exit.
- */
-int
-GetMaximumEventsNum(void) {
- /* One raw event
- * One device event
- * One possible device changed event
- */
- return 3;
-}
-
-
-/**
- * Clip an axis to its bounds, which are declared in the call to
- * InitValuatorAxisClassStruct.
- */
-static void
-clipAxis(DeviceIntPtr pDev, int axisNum, int *val)
-{
- AxisInfoPtr axis;
-
- if (axisNum >= pDev->valuator->numAxes)
- return;
-
- axis = pDev->valuator->axes + axisNum;
-
- /* If a value range is defined, clip. If not, do nothing */
- if (axis->max_value <= axis->min_value)
- return;
-
- if (*val < axis->min_value)
- *val = axis->min_value;
- if (*val > axis->max_value)
- *val = axis->max_value;
-}
-
-/**
- * Clip every axis in the list of valuators to its bounds.
- */
-static void
-clipValuators(DeviceIntPtr pDev, ValuatorMask *mask)
-{
- int i;
-
- for (i = 0; i < valuator_mask_size(mask); i++)
- if (valuator_mask_isset(mask, i))
- {
- int val = valuator_mask_get(mask, i);
- clipAxis(pDev, i, &val);
- valuator_mask_set(mask, i, val);
- }
-}
-
-/**
- * Create the DCCE event (does not update the master's device state yet, this
- * is done in the event processing).
- * Pull in the coordinates from the MD if necessary.
- *
- * @param events Pointer to a pre-allocated event list.
- * @param dev The slave device that generated an event.
- * @param type Either DEVCHANGE_POINTER_EVENT and/or DEVCHANGE_KEYBOARD_EVENT
- * @param num_events The current number of events, returns the number of
- * events if a DCCE was generated.
- * @return The updated @events pointer.
- */
-EventListPtr
-UpdateFromMaster(EventListPtr events, DeviceIntPtr dev, int type, int *num_events)
-{
- DeviceIntPtr master;
-
- master = GetMaster(dev, (type & DEVCHANGE_POINTER_EVENT) ? MASTER_POINTER : MASTER_KEYBOARD);
-
- if (master && master->last.slave != dev)
- {
- CreateClassesChangedEvent(events, master, dev, type);
- if (IsPointerDevice(master))
- {
- updateSlaveDeviceCoords(master, dev);
- master->last.numValuators = dev->last.numValuators;
- }
- master->last.slave = dev;
- (*num_events)++;
- events++;
- }
- return events;
-}
-
-/**
- * Move the device's pointer to the position given in the valuators.
- *
- * @param dev The device which's pointer is to be moved.
- * @param x Returns the x position of the pointer after the move.
- * @param y Returns the y position of the pointer after the move.
- * @param mask Bit mask of valid valuators.
- * @param valuators Valuator data for each axis between @first and
- * @first+@num.
- */
-static void
-moveAbsolute(DeviceIntPtr dev, int *x, int *y, ValuatorMask *mask)
-{
- int i;
-
- if (valuator_mask_isset(mask, 0))
- *x = valuator_mask_get(mask, 0);
- else
- *x = dev->last.valuators[0];
-
- if (valuator_mask_isset(mask, 1))
- *y = valuator_mask_get(mask, 1);
- else
- *y = dev->last.valuators[1];
-
- clipAxis(dev, 0, x);
- clipAxis(dev, 1, y);
-
- for (i = 2; i < valuator_mask_size(mask); i++)
- {
- if (valuator_mask_isset(mask, i))
- {
- dev->last.valuators[i] = valuator_mask_get(mask, i);
- clipAxis(dev, i, &dev->last.valuators[i]);
- }
- }
-}
-
-/**
- * Move the device's pointer by the values given in @valuators.
- *
- * @param dev The device which's pointer is to be moved.
- * @param x Returns the x position of the pointer after the move.
- * @param y Returns the y position of the pointer after the move.
- * @param mask Bit mask of valid valuators.
- * @param valuators Valuator data for each axis between @first and
- * @first+@num.
- */
-static void
-moveRelative(DeviceIntPtr dev, int *x, int *y, ValuatorMask *mask)
-{
- int i;
-
- *x = dev->last.valuators[0];
- *y = dev->last.valuators[1];
-
- if (valuator_mask_isset(mask, 0))
- *x += valuator_mask_get(mask, 0);
-
- if (valuator_mask_isset(mask, 1))
- *y += valuator_mask_get(mask, 1);
-
- /* if attached, clip both x and y to the defined limits (usually
- * co-ord space limit). If it is attached, we need x/y to go over the
- * limits to be able to change screens. */
- if(dev->u.master && dev->valuator) {
- if (valuator_get_mode(dev, 0) == Absolute)
- clipAxis(dev, 0, x);
- if (valuator_get_mode(dev, 1) == Absolute)
- clipAxis(dev, 1, y);
- }
-
- /* calc other axes, clip, drop back into valuators */
- for (i = 2; i < valuator_mask_size(mask); i++)
- {
- if (valuator_mask_isset(mask, i))
- {
- dev->last.valuators[i] += valuator_mask_get(mask, i);
- if (valuator_get_mode(dev, i) == Absolute)
- clipAxis(dev, i, &dev->last.valuators[i]);
- valuator_mask_set(mask, i, dev->last.valuators[i]);
- }
- }
-}
-
-/**
- * Accelerate the data in valuators based on the device's acceleration scheme.
- *
- * @param dev The device which's pointer is to be moved.
- * @param first The first valuator in @valuators
- * @param num Total number of valuators in @valuators.
- * @param valuators Valuator data for each axis between @first and
- * @first+@num.
- * @param ms Current time.
- */
-static void
-accelPointer(DeviceIntPtr dev, int first, int num, int *valuators, CARD32 ms)
-{
- if (dev->valuator->accelScheme.AccelSchemeProc)
- dev->valuator->accelScheme.AccelSchemeProc(dev, first, num, valuators, ms);
-}
-
-/**
- * If we have HW cursors, this actually moves the visible sprite. If not, we
- * just do all the screen crossing, etc.
- *
- * We scale from device to screen coordinates here, call
- * miPointerSetPosition() and then scale back into device coordinates (if
- * needed). miPSP will change x/y if the screen was crossed.
- *
- * @param dev The device to be moved.
- * @param x Pointer to current x-axis value, may be modified.
- * @param y Pointer to current y-axis value, may be modified.
- * @param x_frac Fractional part of current x-axis value, may be modified.
- * @param y_frac Fractional part of current y-axis value, may be modified.
- * @param scr Screen the device's sprite is currently on.
- * @param screenx Screen x coordinate the sprite is on after the update.
- * @param screeny Screen y coordinate the sprite is on after the update.
- * @param screenx_frac Fractional part of screen x coordinate, as above.
- * @param screeny_frac Fractional part of screen y coordinate, as above.
- */
-static void
-positionSprite(DeviceIntPtr dev, int *x, int *y, float x_frac, float y_frac,
- ScreenPtr scr, int *screenx, int *screeny, float *screenx_frac, float *screeny_frac)
-{
- int old_screenx, old_screeny;
-
- /* scale x&y to screen */
- if (dev->valuator && dev->valuator->numAxes > 0) {
- *screenx = rescaleValuatorAxis(*x, x_frac, screenx_frac,
- dev->valuator->axes + 0, NULL, scr->width);
- } else {
- *screenx = dev->last.valuators[0];
- *screenx_frac = dev->last.remainder[0];
- }
-
- if (dev->valuator && dev->valuator->numAxes > 1) {
- *screeny = rescaleValuatorAxis(*y, y_frac, screeny_frac,
- dev->valuator->axes + 1, NULL, scr->height);
- } else {
- *screeny = dev->last.valuators[1];
- *screeny_frac = dev->last.remainder[1];
- }
-
- /* Hit the left screen edge? */
- if (*screenx <= 0 && *screenx_frac < 0.0f)
- {
- *screenx_frac = 0.0f;
- x_frac = 0.0f;
- }
- if (*screeny <= 0 && *screeny_frac < 0.0f)
- {
- *screeny_frac = 0.0f;
- y_frac = 0.0f;
- }
-
-
- old_screenx = *screenx;
- old_screeny = *screeny;
- /* This takes care of crossing screens for us, as well as clipping
- * to the current screen. */
- miPointerSetPosition(dev, screenx, screeny);
-
- if (dev->u.master) {
- dev->u.master->last.valuators[0] = *screenx;
- dev->u.master->last.valuators[1] = *screeny;
- dev->u.master->last.remainder[0] = *screenx_frac;
- dev->u.master->last.remainder[1] = *screeny_frac;
- }
-
- if (dev->valuator)
- {
- /* Crossed screen? Scale back to device coordiantes */
- if(*screenx != old_screenx)
- {
- scr = miPointerGetScreen(dev);
- *x = rescaleValuatorAxis(*screenx, *screenx_frac, &x_frac, NULL,
- dev->valuator->axes + 0, scr->width);
- }
- if(*screeny != old_screeny)
- {
- scr = miPointerGetScreen(dev);
- *y = rescaleValuatorAxis(*screeny, *screeny_frac, &y_frac, NULL,
- dev->valuator->axes + 1, scr->height);
- }
- }
-
- /* dropy x/y (device coordinates) back into valuators for next event */
- dev->last.valuators[0] = *x;
- dev->last.valuators[1] = *y;
- dev->last.remainder[0] = x_frac;
- dev->last.remainder[1] = y_frac;
-}
-
-/**
- * Update the motion history for the device and (if appropriate) for its
- * master device.
- * @param dev Slave device to update.
- * @param mask Bit mask of valid valuators to append to history.
- * @param num Total number of valuators to append to history.
- * @param ms Current time
- */
-static void
-updateHistory(DeviceIntPtr dev, ValuatorMask *mask, CARD32 ms)
-{
- if (!dev->valuator)
- return;
-
- updateMotionHistory(dev, ms, mask, dev->last.valuators);
- if (dev->u.master)
- {
- DeviceIntPtr master = GetMaster(dev, MASTER_POINTER);
- updateMotionHistory(master, ms, mask, dev->last.valuators);
- }
-}
-
-/**
- * Convenience wrapper around GetKeyboardValuatorEvents, that takes no
- * valuators.
- */
-int
-GetKeyboardEvents(EventList *events, DeviceIntPtr pDev, int type, int key_code) {
- ValuatorMask mask;
-
- valuator_mask_zero(&mask);
- return GetKeyboardValuatorEvents(events, pDev, type, key_code, &mask);
-}
-
-
-/**
- * Returns a set of InternalEvents for KeyPress/KeyRelease, optionally
- * also with valuator events.
- *
- * events is not NULL-terminated; the return value is the number of events.
- * The DDX is responsible for allocating the event structure in the first
- * place via GetMaximumEventsNum(), and for freeing it.
- */
-int
-GetKeyboardValuatorEvents(EventList *events, DeviceIntPtr pDev, int type,
- int key_code, const ValuatorMask *mask_in) {
- int num_events = 0;
- CARD32 ms = 0;
- DeviceEvent *event;
- RawDeviceEvent *raw;
- ValuatorMask mask;
-
- /* refuse events from disabled devices */
- if (!pDev || !pDev->enabled)
- return 0;
-
- if (!events ||!pDev->key || !pDev->focus || !pDev->kbdfeed ||
- (type != KeyPress && type != KeyRelease) ||
- (key_code < 8 || key_code > 255))
- return 0;
-
- num_events = 1;
-
- events = UpdateFromMaster(events, pDev, DEVCHANGE_KEYBOARD_EVENT, &num_events);
-
- /* Handle core repeating, via press/release/press/release. */
- if (type == KeyPress && key_is_down(pDev, key_code, KEY_POSTED)) {
- /* If autorepeating is disabled either globally or just for that key,
- * or we have a modifier, don't generate a repeat event. */
- if (!pDev->kbdfeed->ctrl.autoRepeat ||
- !key_autorepeats(pDev, key_code) ||
- pDev->key->xkbInfo->desc->map->modmap[key_code])
- return 0;
- }
-
- ms = GetTimeInMillis();
-
- raw = (RawDeviceEvent*)events->event;
- events++;
- num_events++;
-
- valuator_mask_copy(&mask, mask_in);
-
- init_raw(pDev, raw, ms, type, key_code);
- set_raw_valuators(raw, &mask, raw->valuators.data_raw);
-
- clipValuators(pDev, &mask);
-
- set_raw_valuators(raw, &mask, raw->valuators.data);
-
- event = (DeviceEvent*) events->event;
- init_event(pDev, event, ms);
- event->detail.key = key_code;
-
- if (type == KeyPress) {
- event->type = ET_KeyPress;
- set_key_down(pDev, key_code, KEY_POSTED);
- }
- else if (type == KeyRelease) {
- event->type = ET_KeyRelease;
- set_key_up(pDev, key_code, KEY_POSTED);
- }
-
- clipValuators(pDev, &mask);
-
- set_valuators(pDev, event, &mask);
-
- return num_events;
-}
-
-/**
- * Initialize an event list and fill with 32 byte sized events.
- * This event list is to be passed into GetPointerEvents() and
- * GetKeyboardEvents().
- *
- * @param num_events Number of elements in list.
- */
-EventListPtr
-InitEventList(int num_events)
-{
- EventListPtr events;
- int i;
-
- events = (EventListPtr)calloc(num_events, sizeof(EventList));
- if (!events)
- return NULL;
-
- for (i = 0; i < num_events; i++)
- {
- events[i].evlen = sizeof(InternalEvent);
- events[i].event = calloc(1, sizeof(InternalEvent));
- if (!events[i].event)
- {
- /* rollback */
- while(i--)
- free(events[i].event);
- free(events);
- events = NULL;
- break;
- }
- }
-
- return events;
-}
-
-/**
- * Free an event list.
- *
- * @param list The list to be freed.
- * @param num_events Number of elements in list.
- */
-void
-FreeEventList(EventListPtr list, int num_events)
-{
- if (!list)
- return;
- while(num_events--)
- free(list[num_events].event);
- free(list);
-}
-
-static void
-transformAbsolute(DeviceIntPtr dev, ValuatorMask *mask)
-{
- struct pixman_f_vector p;
-
- /* p' = M * p in homogeneous coordinates */
- p.v[0] = (valuator_mask_isset(mask, 0) ? valuator_mask_get(mask, 0) :
- dev->last.valuators[0]);
- p.v[1] = (valuator_mask_isset(mask, 1) ? valuator_mask_get(mask, 1) :
- dev->last.valuators[1]);
- p.v[2] = 1.0;
-
- pixman_f_transform_point(&dev->transform, &p);
-
- if (lround(p.v[0]) != dev->last.valuators[0])
- valuator_mask_set(mask, 0, lround(p.v[0]));
- if (lround(p.v[1]) != dev->last.valuators[1])
- valuator_mask_set(mask, 1, lround(p.v[1]));
-}
-
-/**
- * Generate a series of InternalEvents (filled into the EventList)
- * representing pointer motion, or button presses.
- *
- * events is not NULL-terminated; the return value is the number of events.
- * The DDX is responsible for allocating the event structure in the first
- * place via InitEventList() and GetMaximumEventsNum(), and for freeing it.
- *
- * In the generated events rootX/Y will be in absolute screen coords and
- * the valuator information in the absolute or relative device coords.
- *
- * last.valuators[x] of the device is always in absolute device coords.
- * last.valuators[x] of the master device is in absolute screen coords.
- *
- * master->last.valuators[x] for x > 2 is undefined.
- */
-int
-GetPointerEvents(EventList *events, DeviceIntPtr pDev, int type, int buttons,
- int flags, const ValuatorMask *mask_in) {
- int num_events = 1;
- CARD32 ms;
- DeviceEvent *event;
- RawDeviceEvent *raw;
- int x = 0, y = 0, /* device coords */
- cx, cy; /* only screen coordinates */
- float x_frac = 0.0, y_frac = 0.0, cx_frac, cy_frac;
- ScreenPtr scr = miPointerGetScreen(pDev);
- ValuatorMask mask;
-
- /* refuse events from disabled devices */
- if (!pDev->enabled)
- return 0;
-
- if (!scr)
- return 0;
-
- switch (type)
- {
- case MotionNotify:
- if (!mask_in || valuator_mask_num_valuators(mask_in) <= 0)
- return 0;
- break;
- case ButtonPress:
- case ButtonRelease:
- if (!pDev->button || !buttons)
- return 0;
- break;
- default:
- return 0;
- }
-
- ms = GetTimeInMillis(); /* before pointer update to help precision */
-
- events = UpdateFromMaster(events, pDev, DEVCHANGE_POINTER_EVENT, &num_events);
-
- raw = (RawDeviceEvent*)events->event;
- events++;
- num_events++;
-
- valuator_mask_copy(&mask, mask_in);
-
- init_raw(pDev, raw, ms, type, buttons);
- set_raw_valuators(raw, &mask, raw->valuators.data_raw);
-
- if (flags & POINTER_ABSOLUTE)
- {
- if (flags & POINTER_SCREEN) /* valuators are in screen coords */
- {
- int scaled;
-
- if (valuator_mask_isset(&mask, 0))
- {
- scaled = rescaleValuatorAxis(valuator_mask_get(&mask, 0),
- 0.0, &x_frac, NULL,
- pDev->valuator->axes + 0,
- scr->width);
- valuator_mask_set(&mask, 0, scaled);
- }
- if (valuator_mask_isset(&mask, 1))
- {
- scaled = rescaleValuatorAxis(valuator_mask_get(&mask, 1),
- 0.0, &y_frac, NULL,
- pDev->valuator->axes + 1,
- scr->height);
- valuator_mask_set(&mask, 1, scaled);
- }
- }
-
- transformAbsolute(pDev, &mask);
- moveAbsolute(pDev, &x, &y, &mask);
- } else {
- if (flags & POINTER_ACCELERATE) {
- /* FIXME: Pointer acceleration only requires X and Y values. This
- * should be converted to masked valuators. */
- int vals[2];
- vals[0] = valuator_mask_isset(&mask, 0) ?
- valuator_mask_get(&mask, 0) : 0;
- vals[1] = valuator_mask_isset(&mask, 1) ?
- valuator_mask_get(&mask, 1) : 0;
- accelPointer(pDev, 0, 2, vals, ms);
-
- if (valuator_mask_isset(&mask, 0))
- valuator_mask_set(&mask, 0, vals[0]);
- if (valuator_mask_isset(&mask, 1))
- valuator_mask_set(&mask, 1, vals[1]);
-
- /* The pointer acceleration code modifies the fractional part
- * in-place, so we need to extract this information first */
- x_frac = pDev->last.remainder[0];
- y_frac = pDev->last.remainder[1];
- }
- moveRelative(pDev, &x, &y, &mask);
- }
-
- set_raw_valuators(raw, &mask, raw->valuators.data);
-
- positionSprite(pDev, &x, &y, x_frac, y_frac, scr, &cx, &cy, &cx_frac, &cy_frac);
- updateHistory(pDev, &mask, ms);
-
- /* Update the valuators with the true value sent to the client*/
- if (valuator_mask_isset(&mask, 0))
- valuator_mask_set(&mask, 0, x);
- if (valuator_mask_isset(&mask, 1))
- valuator_mask_set(&mask, 1, y);
-
- clipValuators(pDev, &mask);
-
- event = (DeviceEvent*) events->event;
- init_event(pDev, event, ms);
-
- if (type == MotionNotify) {
- event->type = ET_Motion;
- event->detail.button = 0;
- }
- else {
- if (type == ButtonPress) {
- event->type = ET_ButtonPress;
- set_button_down(pDev, buttons, BUTTON_POSTED);
- }
- else if (type == ButtonRelease) {
- event->type = ET_ButtonRelease;
- set_button_up(pDev, buttons, BUTTON_POSTED);
- }
- event->detail.button = buttons;
- }
-
- event->root_x = cx; /* root_x/y always in screen coords */
- event->root_y = cy;
- event->root_x_frac = cx_frac;
- event->root_y_frac = cy_frac;
-
- set_valuators(pDev, event, &mask);
-
- return num_events;
-}
-
-
-/**
- * Generate ProximityIn/ProximityOut InternalEvents, accompanied by
- * valuators.
- *
- * events is not NULL-terminated; the return value is the number of events.
- * The DDX is responsible for allocating the event structure in the first
- * place via GetMaximumEventsNum(), and for freeing it.
- */
-int
-GetProximityEvents(EventList *events, DeviceIntPtr pDev, int type, const ValuatorMask *mask_in)
-{
- int num_events = 1, i;
- DeviceEvent *event;
- ValuatorMask mask;
-
- /* refuse events from disabled devices */
- if (!pDev->enabled)
- return 0;
-
- /* Sanity checks. */
- if ((type != ProximityIn && type != ProximityOut) || !mask_in)
- return 0;
- if (!pDev->valuator)
- return 0;
-
- valuator_mask_copy(&mask, mask_in);
-
- /* ignore relative axes for proximity. */
- for (i = 0; i < valuator_mask_size(&mask); i++)
- {
- if (valuator_mask_isset(&mask, i) &&
- valuator_get_mode(pDev, i) == Relative)
- valuator_mask_unset(&mask, i);
- }
-
- /* FIXME: posting proximity events with relative valuators only results
- * in an empty event, EventToXI() will fail to convert → no event sent
- * to client. */
-
- events = UpdateFromMaster(events, pDev, DEVCHANGE_POINTER_EVENT, &num_events);
-
- event = (DeviceEvent *) events->event;
- init_event(pDev, event, GetTimeInMillis());
- event->type = (type == ProximityIn) ? ET_ProximityIn : ET_ProximityOut;
-
- clipValuators(pDev, &mask);
-
- set_valuators(pDev, event, &mask);
-
- return num_events;
-}
-
-/**
- * Synthesize a single motion event for the core pointer.
- *
- * Used in cursor functions, e.g. when cursor confinement changes, and we need
- * to shift the pointer to get it inside the new bounds.
- */
-void
-PostSyntheticMotion(DeviceIntPtr pDev,
- int x,
- int y,
- int screen,
- unsigned long time)
-{
- DeviceEvent ev;
-
-#ifdef PANORAMIX
- /* Translate back to the sprite screen since processInputProc
- will translate from sprite screen to screen 0 upon reentry
- to the DIX layer. */
- if (!noPanoramiXExtension) {
- x += screenInfo.screens[0]->x - screenInfo.screens[screen]->x;
- y += screenInfo.screens[0]->y - screenInfo.screens[screen]->y;
- }
-#endif
-
- memset(&ev, 0, sizeof(DeviceEvent));
- init_event(pDev, &ev, time);
- ev.root_x = x;
- ev.root_y = y;
- ev.type = ET_Motion;
- ev.time = time;
-
- /* FIXME: MD/SD considerations? */
- (*pDev->public.processInputProc)((InternalEvent*)&ev, pDev);
-}
+/*
+ * Copyright © 2006 Nokia Corporation
+ * Copyright © 2006-2007 Daniel Stone
+ * Copyright © 2008 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Daniel Stone <daniel@fooishbar.org>
+ * Peter Hutterer <peter.hutterer@who-t.net>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/keysym.h>
+#include <X11/Xproto.h>
+#include <math.h>
+
+#include "misc.h"
+#include "resource.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "globals.h"
+#include "dixevents.h"
+#include "mipointer.h"
+#include "eventstr.h"
+#include "eventconvert.h"
+#include "inpututils.h"
+
+#include <X11/extensions/XKBproto.h>
+#include "xkbsrv.h"
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <pixman.h>
+#include "exglobals.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "extnsionst.h"
+#include "listdev.h" /* for sizing up DeviceClassesChangedEvent */
+
+#ifdef _MSC_VER
+#include <math.h>
+
+float roundf(float f)
+{
+ return ((f<0.0f) ? ceil(f-.5) : floor (f+.5));
+}
+double roundd(double f)
+{
+ return ((f<0.0) ? ceil(f-.5) : floor (f+.5));
+}
+#define lroundf(val) ((int)roundf(val))
+#define lround(val) ((int)roundd(val))
+#endif
+
+/* Number of motion history events to store. */
+#define MOTION_HISTORY_SIZE 256
+
+/* InputEventList is the container list for all input events generated by the
+ * DDX. The DDX is expected to call GetEventList() and then pass the list into
+ * Get{Pointer|Keyboard}Events.
+ */
+EventListPtr InputEventList = NULL;
+int InputEventListLen = 0;
+
+int
+GetEventList(EventListPtr* list)
+{
+ *list = InputEventList;
+ return InputEventListLen;
+}
+
+/**
+ * Pick some arbitrary size for Xi motion history.
+ */
+int
+GetMotionHistorySize(void)
+{
+ return MOTION_HISTORY_SIZE;
+}
+
+void
+set_button_down(DeviceIntPtr pDev, int button, int type)
+{
+ if (type == BUTTON_PROCESSED)
+ SetBit(pDev->button->down, button);
+ else
+ SetBit(pDev->button->postdown, button);
+}
+
+void
+set_button_up(DeviceIntPtr pDev, int button, int type)
+{
+ if (type == BUTTON_PROCESSED)
+ ClearBit(pDev->button->down, button);
+ else
+ ClearBit(pDev->button->postdown, button);
+}
+
+Bool
+button_is_down(DeviceIntPtr pDev, int button, int type)
+{
+ Bool ret = FALSE;
+
+ if (type & BUTTON_PROCESSED)
+ ret = ret || BitIsOn(pDev->button->down, button);
+ if (type & BUTTON_POSTED)
+ ret = ret || BitIsOn(pDev->button->postdown, button);
+
+ return ret;
+}
+
+void
+set_key_down(DeviceIntPtr pDev, int key_code, int type)
+{
+ if (type == KEY_PROCESSED)
+ SetBit(pDev->key->down, key_code);
+ else
+ SetBit(pDev->key->postdown, key_code);
+}
+
+void
+set_key_up(DeviceIntPtr pDev, int key_code, int type)
+{
+ if (type == KEY_PROCESSED)
+ ClearBit(pDev->key->down, key_code);
+ else
+ ClearBit(pDev->key->postdown, key_code);
+}
+
+Bool
+key_is_down(DeviceIntPtr pDev, int key_code, int type)
+{
+ Bool ret = FALSE;
+
+ if (type & KEY_PROCESSED)
+ ret = ret || BitIsOn(pDev->key->down, key_code);
+ if (type & KEY_POSTED)
+ ret = ret || BitIsOn(pDev->key->postdown, key_code);
+
+ return ret;
+}
+
+static Bool
+key_autorepeats(DeviceIntPtr pDev, int key_code)
+{
+ return !!(pDev->kbdfeed->ctrl.autoRepeats[key_code >> 3] &
+ (1 << (key_code & 7)));
+}
+
+static void
+init_event(DeviceIntPtr dev, DeviceEvent* event, Time ms)
+{
+ memset(event, 0, sizeof(DeviceEvent));
+ event->header = ET_Internal;
+ event->length = sizeof(DeviceEvent);
+ event->time = ms;
+ event->deviceid = dev->id;
+ event->sourceid = dev->id;
+}
+
+static void
+init_raw(DeviceIntPtr dev, RawDeviceEvent *event, Time ms, int type, int detail)
+{
+ memset(event, 0, sizeof(RawDeviceEvent));
+ event->header = ET_Internal;
+ event->length = sizeof(RawDeviceEvent);
+ event->type = ET_RawKeyPress - ET_KeyPress + type;
+ event->time = ms;
+ event->deviceid = dev->id;
+ event->sourceid = dev->id;
+ event->detail.button = detail;
+}
+
+static void
+set_raw_valuators(RawDeviceEvent *event, ValuatorMask *mask, int32_t* data)
+{
+ int i;
+
+ for (i = 0; i < valuator_mask_size(mask); i++)
+ {
+ if (valuator_mask_isset(mask, i))
+ {
+ SetBit(event->valuators.mask, i);
+ data[i] = valuator_mask_get(mask, i);
+ }
+ }
+}
+
+
+static void
+set_valuators(DeviceIntPtr dev, DeviceEvent* event, ValuatorMask *mask)
+{
+ int i;
+
+ for (i = 0; i < valuator_mask_size(mask); i++)
+ {
+ if (valuator_mask_isset(mask, i))
+ {
+ SetBit(event->valuators.mask, i);
+ if (valuator_get_mode(dev, i) == Absolute)
+ SetBit(event->valuators.mode, i);
+ event->valuators.data[i] = valuator_mask_get(mask, i);
+ event->valuators.data_frac[i] =
+ dev->last.remainder[i] * (1 << 16) * (1 << 16);
+ }
+ }
+}
+
+void
+CreateClassesChangedEvent(EventList* event,
+ DeviceIntPtr master,
+ DeviceIntPtr slave,
+ int type)
+{
+ int i;
+ DeviceChangedEvent *dce;
+ CARD32 ms = GetTimeInMillis();
+
+ dce = (DeviceChangedEvent*)event->event;
+ memset(dce, 0, sizeof(DeviceChangedEvent));
+ dce->deviceid = slave->id;
+ dce->masterid = master->id;
+ dce->header = ET_Internal;
+ dce->length = sizeof(DeviceChangedEvent);
+ dce->type = ET_DeviceChanged;
+ dce->time = ms;
+ dce->flags = type;
+ dce->flags |= DEVCHANGE_SLAVE_SWITCH;
+ dce->sourceid = slave->id;
+
+ if (slave->button)
+ {
+ dce->buttons.num_buttons = slave->button->numButtons;
+ for (i = 0; i < dce->buttons.num_buttons; i++)
+ dce->buttons.names[i] = slave->button->labels[i];
+ }
+ if (slave->valuator)
+ {
+ dce->num_valuators = slave->valuator->numAxes;
+ for (i = 0; i < dce->num_valuators; i++)
+ {
+ dce->valuators[i].min = slave->valuator->axes[i].min_value;
+ dce->valuators[i].max = slave->valuator->axes[i].max_value;
+ dce->valuators[i].resolution = slave->valuator->axes[i].resolution;
+ dce->valuators[i].mode = slave->valuator->axes[i].mode;
+ dce->valuators[i].name = slave->valuator->axes[i].label;
+ }
+ }
+ if (slave->key)
+ {
+ dce->keys.min_keycode = slave->key->xkbInfo->desc->min_key_code;
+ dce->keys.max_keycode = slave->key->xkbInfo->desc->max_key_code;
+ }
+}
+
+/**
+ * Rescale the coord between the two axis ranges.
+ */
+static int
+rescaleValuatorAxis(int coord, float remainder, float *remainder_return, AxisInfoPtr from, AxisInfoPtr to,
+ int defmax)
+{
+ int fmin = 0, tmin = 0, fmax = defmax, tmax = defmax, coord_return;
+ float value;
+
+ if(from && from->min_value < from->max_value) {
+ fmin = from->min_value;
+ fmax = from->max_value;
+ }
+ if(to && to->min_value < to->max_value) {
+ tmin = to->min_value;
+ tmax = to->max_value;
+ }
+
+ if(fmin == tmin && fmax == tmax) {
+ if (remainder_return)
+ *remainder_return = remainder;
+ return coord;
+ }
+
+ if(fmax == fmin) { /* avoid division by 0 */
+ if (remainder_return)
+ *remainder_return = 0.0;
+ return 0;
+ }
+
+ value = (coord + remainder - fmin) * (tmax - tmin) / (fmax - fmin) + tmin;
+ coord_return = lroundf(value);
+ if (remainder_return)
+ *remainder_return = value - coord_return;
+ return coord_return;
+}
+
+/**
+ * Update all coordinates when changing to a different SD
+ * to ensure that relative reporting will work as expected
+ * without loss of precision.
+ *
+ * pDev->last.valuators will be in absolute device coordinates after this
+ * function.
+ */
+static void
+updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
+{
+ ScreenPtr scr = miPointerGetScreen(pDev);
+ int i;
+ DeviceIntPtr lastSlave;
+
+ /* master->last.valuators[0]/[1] is in screen coords and the actual
+ * position of the pointer */
+ pDev->last.valuators[0] = master->last.valuators[0];
+ pDev->last.valuators[1] = master->last.valuators[1];
+
+ if (!pDev->valuator)
+ return;
+
+ /* scale back to device coordinates */
+ if(pDev->valuator->numAxes > 0)
+ pDev->last.valuators[0] = rescaleValuatorAxis(pDev->last.valuators[0], pDev->last.remainder[0],
+ &pDev->last.remainder[0], NULL, pDev->valuator->axes + 0, scr->width);
+ if(pDev->valuator->numAxes > 1)
+ pDev->last.valuators[1] = rescaleValuatorAxis(pDev->last.valuators[1], pDev->last.remainder[1],
+ &pDev->last.remainder[1], NULL, pDev->valuator->axes + 1, scr->height);
+
+ /* calculate the other axis as well based on info from the old
+ * slave-device. If the old slave had less axes than this one,
+ * last.valuators is reset to 0.
+ */
+ if ((lastSlave = master->last.slave) && lastSlave->valuator) {
+ for (i = 2; i < pDev->valuator->numAxes; i++) {
+ if (i >= lastSlave->valuator->numAxes)
+ pDev->last.valuators[i] = 0;
+ else
+ pDev->last.valuators[i] =
+ rescaleValuatorAxis(pDev->last.valuators[i],
+ pDev->last.remainder[i],
+ &pDev->last.remainder[i],
+ lastSlave->valuator->axes + i,
+ pDev->valuator->axes + i, 0);
+ }
+ }
+
+}
+
+/**
+ * Allocate the motion history buffer.
+ */
+void
+AllocateMotionHistory(DeviceIntPtr pDev)
+{
+ int size;
+ free(pDev->valuator->motion);
+
+ if (pDev->valuator->numMotionEvents < 1)
+ return;
+
+ /* An MD must have a motion history size large enough to keep all
+ * potential valuators, plus the respective range of the valuators.
+ * 3 * INT32 for (min_val, max_val, curr_val))
+ */
+ if (IsMaster(pDev))
+ size = sizeof(INT32) * 3 * MAX_VALUATORS;
+ else {
+ ValuatorClassPtr v = pDev->valuator;
+ int numAxes;
+ /* XI1 doesn't understand mixed mode devices */
+ for (numAxes = 0; numAxes < v->numAxes; numAxes++)
+ if (valuator_get_mode(pDev, numAxes) != valuator_get_mode(pDev, 0))
+ break;
+ size = sizeof(INT32) * numAxes;
+ }
+
+ size += sizeof(Time);
+
+ pDev->valuator->motion = calloc(pDev->valuator->numMotionEvents, size);
+ pDev->valuator->first_motion = 0;
+ pDev->valuator->last_motion = 0;
+ if (!pDev->valuator->motion)
+ ErrorF("[dix] %s: Failed to alloc motion history (%d bytes).\n",
+ pDev->name, size * pDev->valuator->numMotionEvents);
+}
+
+/**
+ * Dump the motion history between start and stop into the supplied buffer.
+ * Only records the event for a given screen in theory, but in practice, we
+ * sort of ignore this.
+ *
+ * If core is set, we only generate x/y, in INT16, scaled to screen coords.
+ */
+int
+GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start,
+ unsigned long stop, ScreenPtr pScreen, BOOL core)
+{
+ char *ibuff = NULL, *obuff;
+ int i = 0, ret = 0;
+ int j, coord;
+ Time current;
+ /* The size of a single motion event. */
+ int size;
+ int dflt;
+ AxisInfo from, *to; /* for scaling */
+ INT32 *ocbuf, *icbuf; /* pointer to coordinates for copying */
+ INT16 *corebuf;
+ AxisInfo core_axis = {0};
+
+ if (!pDev->valuator || !pDev->valuator->numMotionEvents)
+ return 0;
+
+ if (core && !pScreen)
+ return 0;
+
+ if (IsMaster(pDev))
+ size = (sizeof(INT32) * 3 * MAX_VALUATORS) + sizeof(Time);
+ else
+ size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
+
+ *buff = malloc(size * pDev->valuator->numMotionEvents);
+ if (!(*buff))
+ return 0;
+ obuff = (char *)*buff;
+
+ for (i = pDev->valuator->first_motion;
+ i != pDev->valuator->last_motion;
+ i = (i + 1) % pDev->valuator->numMotionEvents) {
+ /* We index the input buffer by which element we're accessing, which
+ * is not monotonic, and the output buffer by how many events we've
+ * written so far. */
+ ibuff = (char *) pDev->valuator->motion + (i * size);
+ memcpy(&current, ibuff, sizeof(Time));
+
+ if (current > stop) {
+ return ret;
+ }
+ else if (current >= start) {
+ if (core)
+ {
+ memcpy(obuff, ibuff, sizeof(Time)); /* copy timestamp */
+
+ icbuf = (INT32*)(ibuff + sizeof(Time));
+ corebuf = (INT16*)(obuff + sizeof(Time));
+
+ /* fetch x coordinate + range */
+ memcpy(&from.min_value, icbuf++, sizeof(INT32));
+ memcpy(&from.max_value, icbuf++, sizeof(INT32));
+ memcpy(&coord, icbuf++, sizeof(INT32));
+
+ /* scale to screen coords */
+ to = &core_axis;
+ to->max_value = pScreen->width;
+ coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, pScreen->width);
+
+ memcpy(corebuf, &coord, sizeof(INT16));
+ corebuf++;
+
+ /* fetch y coordinate + range */
+ memcpy(&from.min_value, icbuf++, sizeof(INT32));
+ memcpy(&from.max_value, icbuf++, sizeof(INT32));
+ memcpy(&coord, icbuf++, sizeof(INT32));
+
+ to->max_value = pScreen->height;
+ coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, pScreen->height);
+ memcpy(corebuf, &coord, sizeof(INT16));
+
+ } else if (IsMaster(pDev))
+ {
+ memcpy(obuff, ibuff, sizeof(Time)); /* copy timestamp */
+
+ ocbuf = (INT32*)(obuff + sizeof(Time));
+ icbuf = (INT32*)(ibuff + sizeof(Time));
+ for (j = 0; j < MAX_VALUATORS; j++)
+ {
+ if (j >= pDev->valuator->numAxes)
+ break;
+
+ /* fetch min/max/coordinate */
+ memcpy(&from.min_value, icbuf++, sizeof(INT32));
+ memcpy(&from.max_value, icbuf++, sizeof(INT32));
+ memcpy(&coord, icbuf++, sizeof(INT32));
+
+ to = (j < pDev->valuator->numAxes) ? &pDev->valuator->axes[j] : NULL;
+
+ /* x/y scaled to screen if no range is present */
+ if (j == 0 && (from.max_value < from.min_value))
+ from.max_value = pScreen->width;
+ else if (j == 1 && (from.max_value < from.min_value))
+ from.max_value = pScreen->height;
+
+ if (j == 0 && (to->max_value < to->min_value))
+ dflt = pScreen->width;
+ else if (j == 1 && (to->max_value < to->min_value))
+ dflt = pScreen->height;
+ else
+ dflt = 0;
+
+ /* scale from stored range into current range */
+ coord = rescaleValuatorAxis(coord, 0.0, NULL, &from, to, 0);
+ memcpy(ocbuf, &coord, sizeof(INT32));
+ ocbuf++;
+ }
+ } else
+ memcpy(obuff, ibuff, size);
+
+ /* don't advance by size here. size may be different to the
+ * actually written size if the MD has less valuators than MAX */
+ if (core)
+ obuff += sizeof(INT32) + sizeof(Time);
+ else
+ obuff += (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
+ ret++;
+ }
+ }
+
+ return ret;
+}
+
+
+/**
+ * Update the motion history for a specific device, with the list of
+ * valuators.
+ *
+ * Layout of the history buffer:
+ * for SDs: [time] [val0] [val1] ... [valn]
+ * for MDs: [time] [min_val0] [max_val0] [val0] [min_val1] ... [valn]
+ *
+ * For events that have some valuators unset:
+ * min_val == max_val == val == 0.
+ */
+static void
+updateMotionHistory(DeviceIntPtr pDev, CARD32 ms, ValuatorMask *mask,
+ int *valuators)
+{
+ char *buff = (char *) pDev->valuator->motion;
+ ValuatorClassPtr v;
+ int i;
+
+ if (!pDev->valuator->numMotionEvents)
+ return;
+
+ v = pDev->valuator;
+ if (IsMaster(pDev))
+ {
+ buff += ((sizeof(INT32) * 3 * MAX_VALUATORS) + sizeof(CARD32)) *
+ v->last_motion;
+
+ memcpy(buff, &ms, sizeof(Time));
+ buff += sizeof(Time);
+
+ memset(buff, 0, sizeof(INT32) * 3 * MAX_VALUATORS);
+
+ for (i = 0; i < v->numAxes; i++)
+ {
+ /* XI1 doesn't support mixed mode devices */
+ if (valuator_get_mode(pDev, i) != valuator_get_mode(pDev, 0))
+ break;
+ if (valuator_mask_size(mask) <= i || !valuator_mask_isset(mask, i))
+ {
+ buff += 3 * sizeof(INT32);
+ continue;
+ }
+ memcpy(buff, &v->axes[i].min_value, sizeof(INT32));
+ buff += sizeof(INT32);
+ memcpy(buff, &v->axes[i].max_value, sizeof(INT32));
+ buff += sizeof(INT32);
+ memcpy(buff, &valuators[i], sizeof(INT32));
+ buff += sizeof(INT32);
+ }
+ } else
+ {
+
+ buff += ((sizeof(INT32) * pDev->valuator->numAxes) + sizeof(CARD32)) *
+ pDev->valuator->last_motion;
+
+ memcpy(buff, &ms, sizeof(Time));
+ buff += sizeof(Time);
+
+ memset(buff, 0, sizeof(INT32) * pDev->valuator->numAxes);
+
+ for (i = 0; i < MAX_VALUATORS; i++)
+ {
+ if (valuator_mask_size(mask) <= i || !valuator_mask_isset(mask, i))
+ {
+ buff += sizeof(INT32);
+ continue;
+ }
+ memcpy(buff, &valuators[i], sizeof(INT32));
+ buff += sizeof(INT32);
+ }
+ }
+
+ pDev->valuator->last_motion = (pDev->valuator->last_motion + 1) %
+ pDev->valuator->numMotionEvents;
+ /* If we're wrapping around, just keep the circular buffer going. */
+ if (pDev->valuator->first_motion == pDev->valuator->last_motion)
+ pDev->valuator->first_motion = (pDev->valuator->first_motion + 1) %
+ pDev->valuator->numMotionEvents;
+
+ return;
+}
+
+
+/**
+ * Returns the maximum number of events GetKeyboardEvents,
+ * GetKeyboardValuatorEvents, and GetPointerEvents will ever return.
+ *
+ * This MUST be absolutely constant, from init until exit.
+ */
+int
+GetMaximumEventsNum(void) {
+ /* One raw event
+ * One device event
+ * One possible device changed event
+ */
+ return 3;
+}
+
+
+/**
+ * Clip an axis to its bounds, which are declared in the call to
+ * InitValuatorAxisClassStruct.
+ */
+static void
+clipAxis(DeviceIntPtr pDev, int axisNum, int *val)
+{
+ AxisInfoPtr axis;
+
+ if (axisNum >= pDev->valuator->numAxes)
+ return;
+
+ axis = pDev->valuator->axes + axisNum;
+
+ /* If a value range is defined, clip. If not, do nothing */
+ if (axis->max_value <= axis->min_value)
+ return;
+
+ if (*val < axis->min_value)
+ *val = axis->min_value;
+ if (*val > axis->max_value)
+ *val = axis->max_value;
+}
+
+/**
+ * Clip every axis in the list of valuators to its bounds.
+ */
+static void
+clipValuators(DeviceIntPtr pDev, ValuatorMask *mask)
+{
+ int i;
+
+ for (i = 0; i < valuator_mask_size(mask); i++)
+ if (valuator_mask_isset(mask, i))
+ {
+ int val = valuator_mask_get(mask, i);
+ clipAxis(pDev, i, &val);
+ valuator_mask_set(mask, i, val);
+ }
+}
+
+/**
+ * Create the DCCE event (does not update the master's device state yet, this
+ * is done in the event processing).
+ * Pull in the coordinates from the MD if necessary.
+ *
+ * @param events Pointer to a pre-allocated event list.
+ * @param dev The slave device that generated an event.
+ * @param type Either DEVCHANGE_POINTER_EVENT and/or DEVCHANGE_KEYBOARD_EVENT
+ * @param num_events The current number of events, returns the number of
+ * events if a DCCE was generated.
+ * @return The updated @events pointer.
+ */
+EventListPtr
+UpdateFromMaster(EventListPtr events, DeviceIntPtr dev, int type, int *num_events)
+{
+ DeviceIntPtr master;
+
+ master = GetMaster(dev, (type & DEVCHANGE_POINTER_EVENT) ? MASTER_POINTER : MASTER_KEYBOARD);
+
+ if (master && master->last.slave != dev)
+ {
+ CreateClassesChangedEvent(events, master, dev, type);
+ if (IsPointerDevice(master))
+ {
+ updateSlaveDeviceCoords(master, dev);
+ master->last.numValuators = dev->last.numValuators;
+ }
+ master->last.slave = dev;
+ (*num_events)++;
+ events++;
+ }
+ return events;
+}
+
+/**
+ * Move the device's pointer to the position given in the valuators.
+ *
+ * @param dev The device which's pointer is to be moved.
+ * @param x Returns the x position of the pointer after the move.
+ * @param y Returns the y position of the pointer after the move.
+ * @param mask Bit mask of valid valuators.
+ * @param valuators Valuator data for each axis between @first and
+ * @first+@num.
+ */
+static void
+moveAbsolute(DeviceIntPtr dev, int *x, int *y, ValuatorMask *mask)
+{
+ int i;
+
+ if (valuator_mask_isset(mask, 0))
+ *x = valuator_mask_get(mask, 0);
+ else
+ *x = dev->last.valuators[0];
+
+ if (valuator_mask_isset(mask, 1))
+ *y = valuator_mask_get(mask, 1);
+ else
+ *y = dev->last.valuators[1];
+
+ clipAxis(dev, 0, x);
+ clipAxis(dev, 1, y);
+
+ for (i = 2; i < valuator_mask_size(mask); i++)
+ {
+ if (valuator_mask_isset(mask, i))
+ {
+ dev->last.valuators[i] = valuator_mask_get(mask, i);
+ clipAxis(dev, i, &dev->last.valuators[i]);
+ }
+ }
+}
+
+/**
+ * Move the device's pointer by the values given in @valuators.
+ *
+ * @param dev The device which's pointer is to be moved.
+ * @param x Returns the x position of the pointer after the move.
+ * @param y Returns the y position of the pointer after the move.
+ * @param mask Bit mask of valid valuators.
+ * @param valuators Valuator data for each axis between @first and
+ * @first+@num.
+ */
+static void
+moveRelative(DeviceIntPtr dev, int *x, int *y, ValuatorMask *mask)
+{
+ int i;
+
+ *x = dev->last.valuators[0];
+ *y = dev->last.valuators[1];
+
+ if (valuator_mask_isset(mask, 0))
+ *x += valuator_mask_get(mask, 0);
+
+ if (valuator_mask_isset(mask, 1))
+ *y += valuator_mask_get(mask, 1);
+
+ /* if attached, clip both x and y to the defined limits (usually
+ * co-ord space limit). If it is attached, we need x/y to go over the
+ * limits to be able to change screens. */
+ if(dev->valuator && IsMaster(dev) || !IsFloating(dev)) {
+ if (valuator_get_mode(dev, 0) == Absolute)
+ clipAxis(dev, 0, x);
+ if (valuator_get_mode(dev, 1) == Absolute)
+ clipAxis(dev, 1, y);
+ }
+
+ /* calc other axes, clip, drop back into valuators */
+ for (i = 2; i < valuator_mask_size(mask); i++)
+ {
+ if (valuator_mask_isset(mask, i))
+ {
+ dev->last.valuators[i] += valuator_mask_get(mask, i);
+ if (valuator_get_mode(dev, i) == Absolute)
+ clipAxis(dev, i, &dev->last.valuators[i]);
+ valuator_mask_set(mask, i, dev->last.valuators[i]);
+ }
+ }
+}
+
+/**
+ * Accelerate the data in valuators based on the device's acceleration scheme.
+ *
+ * @param dev The device which's pointer is to be moved.
+ * @param first The first valuator in @valuators
+ * @param num Total number of valuators in @valuators.
+ * @param valuators Valuator data for each axis between @first and
+ * @first+@num.
+ * @param ms Current time.
+ */
+static void
+accelPointer(DeviceIntPtr dev, int first, int num, int *valuators, CARD32 ms)
+{
+ if (dev->valuator->accelScheme.AccelSchemeProc)
+ dev->valuator->accelScheme.AccelSchemeProc(dev, first, num, valuators, ms);
+}
+
+/**
+ * If we have HW cursors, this actually moves the visible sprite. If not, we
+ * just do all the screen crossing, etc.
+ *
+ * We scale from device to screen coordinates here, call
+ * miPointerSetPosition() and then scale back into device coordinates (if
+ * needed). miPSP will change x/y if the screen was crossed.
+ *
+ * @param dev The device to be moved.
+ * @param x Pointer to current x-axis value, may be modified.
+ * @param y Pointer to current y-axis value, may be modified.
+ * @param x_frac Fractional part of current x-axis value, may be modified.
+ * @param y_frac Fractional part of current y-axis value, may be modified.
+ * @param scr Screen the device's sprite is currently on.
+ * @param screenx Screen x coordinate the sprite is on after the update.
+ * @param screeny Screen y coordinate the sprite is on after the update.
+ * @param screenx_frac Fractional part of screen x coordinate, as above.
+ * @param screeny_frac Fractional part of screen y coordinate, as above.
+ */
+static void
+positionSprite(DeviceIntPtr dev, int *x, int *y, float x_frac, float y_frac,
+ ScreenPtr scr, int *screenx, int *screeny, float *screenx_frac, float *screeny_frac)
+{
+ int old_screenx, old_screeny;
+
+ /* scale x&y to screen */
+ if (dev->valuator && dev->valuator->numAxes > 0) {
+ *screenx = rescaleValuatorAxis(*x, x_frac, screenx_frac,
+ dev->valuator->axes + 0, NULL, scr->width);
+ } else {
+ *screenx = dev->last.valuators[0];
+ *screenx_frac = dev->last.remainder[0];
+ }
+
+ if (dev->valuator && dev->valuator->numAxes > 1) {
+ *screeny = rescaleValuatorAxis(*y, y_frac, screeny_frac,
+ dev->valuator->axes + 1, NULL, scr->height);
+ } else {
+ *screeny = dev->last.valuators[1];
+ *screeny_frac = dev->last.remainder[1];
+ }
+
+ /* Hit the left screen edge? */
+ if (*screenx <= 0 && *screenx_frac < 0.0f)
+ {
+ *screenx_frac = 0.0f;
+ x_frac = 0.0f;
+ }
+ if (*screeny <= 0 && *screeny_frac < 0.0f)
+ {
+ *screeny_frac = 0.0f;
+ y_frac = 0.0f;
+ }
+
+
+ old_screenx = *screenx;
+ old_screeny = *screeny;
+ /* This takes care of crossing screens for us, as well as clipping
+ * to the current screen. */
+ miPointerSetPosition(dev, screenx, screeny);
+
+ if(!IsMaster(dev) || !IsFloating(dev)) {
+ DeviceIntPtr master = GetMaster(dev, MASTER_POINTER);
+ master->last.valuators[0] = *screenx;
+ master->last.valuators[1] = *screeny;
+ master->last.remainder[0] = *screenx_frac;
+ master->last.remainder[1] = *screeny_frac;
+ }
+
+ if (dev->valuator)
+ {
+ /* Crossed screen? Scale back to device coordiantes */
+ if(*screenx != old_screenx)
+ {
+ scr = miPointerGetScreen(dev);
+ *x = rescaleValuatorAxis(*screenx, *screenx_frac, &x_frac, NULL,
+ dev->valuator->axes + 0, scr->width);
+ }
+ if(*screeny != old_screeny)
+ {
+ scr = miPointerGetScreen(dev);
+ *y = rescaleValuatorAxis(*screeny, *screeny_frac, &y_frac, NULL,
+ dev->valuator->axes + 1, scr->height);
+ }
+ }
+
+ /* dropy x/y (device coordinates) back into valuators for next event */
+ dev->last.valuators[0] = *x;
+ dev->last.valuators[1] = *y;
+ dev->last.remainder[0] = x_frac;
+ dev->last.remainder[1] = y_frac;
+}
+
+/**
+ * Update the motion history for the device and (if appropriate) for its
+ * master device.
+ * @param dev Slave device to update.
+ * @param mask Bit mask of valid valuators to append to history.
+ * @param num Total number of valuators to append to history.
+ * @param ms Current time
+ */
+static void
+updateHistory(DeviceIntPtr dev, ValuatorMask *mask, CARD32 ms)
+{
+ if (!dev->valuator)
+ return;
+
+ updateMotionHistory(dev, ms, mask, dev->last.valuators);
+ if(!IsMaster(dev) || !IsFloating(dev))
+ {
+ DeviceIntPtr master = GetMaster(dev, MASTER_POINTER);
+ updateMotionHistory(master, ms, mask, dev->last.valuators);
+ }
+}
+
+/**
+ * Convenience wrapper around GetKeyboardValuatorEvents, that takes no
+ * valuators.
+ */
+int
+GetKeyboardEvents(EventList *events, DeviceIntPtr pDev, int type, int key_code) {
+ ValuatorMask mask;
+
+ valuator_mask_zero(&mask);
+ return GetKeyboardValuatorEvents(events, pDev, type, key_code, &mask);
+}
+
+
+/**
+ * Returns a set of InternalEvents for KeyPress/KeyRelease, optionally
+ * also with valuator events.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via GetMaximumEventsNum(), and for freeing it.
+ */
+int
+GetKeyboardValuatorEvents(EventList *events, DeviceIntPtr pDev, int type,
+ int key_code, const ValuatorMask *mask_in) {
+ int num_events = 0;
+ CARD32 ms = 0;
+ DeviceEvent *event;
+ RawDeviceEvent *raw;
+ ValuatorMask mask;
+
+ /* refuse events from disabled devices */
+ if (!pDev || !pDev->enabled)
+ return 0;
+
+ if (!events ||!pDev->key || !pDev->focus || !pDev->kbdfeed ||
+ (type != KeyPress && type != KeyRelease) ||
+ (key_code < 8 || key_code > 255))
+ return 0;
+
+ num_events = 1;
+
+ events = UpdateFromMaster(events, pDev, DEVCHANGE_KEYBOARD_EVENT, &num_events);
+
+ /* Handle core repeating, via press/release/press/release. */
+ if (type == KeyPress && key_is_down(pDev, key_code, KEY_POSTED)) {
+ /* If autorepeating is disabled either globally or just for that key,
+ * or we have a modifier, don't generate a repeat event. */
+ if (!pDev->kbdfeed->ctrl.autoRepeat ||
+ !key_autorepeats(pDev, key_code) ||
+ pDev->key->xkbInfo->desc->map->modmap[key_code])
+ return 0;
+ }
+
+ ms = GetTimeInMillis();
+
+ raw = (RawDeviceEvent*)events->event;
+ events++;
+ num_events++;
+
+ valuator_mask_copy(&mask, mask_in);
+
+ init_raw(pDev, raw, ms, type, key_code);
+ set_raw_valuators(raw, &mask, raw->valuators.data_raw);
+
+ clipValuators(pDev, &mask);
+
+ set_raw_valuators(raw, &mask, raw->valuators.data);
+
+ event = (DeviceEvent*) events->event;
+ init_event(pDev, event, ms);
+ event->detail.key = key_code;
+
+ if (type == KeyPress) {
+ event->type = ET_KeyPress;
+ set_key_down(pDev, key_code, KEY_POSTED);
+ }
+ else if (type == KeyRelease) {
+ event->type = ET_KeyRelease;
+ set_key_up(pDev, key_code, KEY_POSTED);
+ }
+
+ clipValuators(pDev, &mask);
+
+ set_valuators(pDev, event, &mask);
+
+ return num_events;
+}
+
+/**
+ * Initialize an event list and fill with 32 byte sized events.
+ * This event list is to be passed into GetPointerEvents() and
+ * GetKeyboardEvents().
+ *
+ * @param num_events Number of elements in list.
+ */
+EventListPtr
+InitEventList(int num_events)
+{
+ EventListPtr events;
+ int i;
+
+ events = (EventListPtr)calloc(num_events, sizeof(EventList));
+ if (!events)
+ return NULL;
+
+ for (i = 0; i < num_events; i++)
+ {
+ events[i].evlen = sizeof(InternalEvent);
+ events[i].event = calloc(1, sizeof(InternalEvent));
+ if (!events[i].event)
+ {
+ /* rollback */
+ while(i--)
+ free(events[i].event);
+ free(events);
+ events = NULL;
+ break;
+ }
+ }
+
+ return events;
+}
+
+/**
+ * Free an event list.
+ *
+ * @param list The list to be freed.
+ * @param num_events Number of elements in list.
+ */
+void
+FreeEventList(EventListPtr list, int num_events)
+{
+ if (!list)
+ return;
+ while(num_events--)
+ free(list[num_events].event);
+ free(list);
+}
+
+static void
+transformAbsolute(DeviceIntPtr dev, ValuatorMask *mask)
+{
+ struct pixman_f_vector p;
+
+ /* p' = M * p in homogeneous coordinates */
+ p.v[0] = (valuator_mask_isset(mask, 0) ? valuator_mask_get(mask, 0) :
+ dev->last.valuators[0]);
+ p.v[1] = (valuator_mask_isset(mask, 1) ? valuator_mask_get(mask, 1) :
+ dev->last.valuators[1]);
+ p.v[2] = 1.0;
+
+ pixman_f_transform_point(&dev->transform, &p);
+
+ if (lround(p.v[0]) != dev->last.valuators[0])
+ valuator_mask_set(mask, 0, lround(p.v[0]));
+ if (lround(p.v[1]) != dev->last.valuators[1])
+ valuator_mask_set(mask, 1, lround(p.v[1]));
+}
+
+/**
+ * Generate a series of InternalEvents (filled into the EventList)
+ * representing pointer motion, or button presses.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via InitEventList() and GetMaximumEventsNum(), and for freeing it.
+ *
+ * In the generated events rootX/Y will be in absolute screen coords and
+ * the valuator information in the absolute or relative device coords.
+ *
+ * last.valuators[x] of the device is always in absolute device coords.
+ * last.valuators[x] of the master device is in absolute screen coords.
+ *
+ * master->last.valuators[x] for x > 2 is undefined.
+ */
+int
+GetPointerEvents(EventList *events, DeviceIntPtr pDev, int type, int buttons,
+ int flags, const ValuatorMask *mask_in) {
+ int num_events = 1;
+ CARD32 ms;
+ DeviceEvent *event;
+ RawDeviceEvent *raw;
+ int x = 0, y = 0, /* device coords */
+ cx, cy; /* only screen coordinates */
+ float x_frac = 0.0, y_frac = 0.0, cx_frac, cy_frac;
+ ScreenPtr scr = miPointerGetScreen(pDev);
+ ValuatorMask mask;
+
+ /* refuse events from disabled devices */
+ if (!pDev->enabled)
+ return 0;
+
+ if (!scr)
+ return 0;
+
+ switch (type)
+ {
+ case MotionNotify:
+ if (!mask_in || valuator_mask_num_valuators(mask_in) <= 0)
+ return 0;
+ break;
+ case ButtonPress:
+ case ButtonRelease:
+ if (!pDev->button || !buttons)
+ return 0;
+ break;
+ default:
+ return 0;
+ }
+
+ ms = GetTimeInMillis(); /* before pointer update to help precision */
+
+ events = UpdateFromMaster(events, pDev, DEVCHANGE_POINTER_EVENT, &num_events);
+
+ raw = (RawDeviceEvent*)events->event;
+ events++;
+ num_events++;
+
+ valuator_mask_copy(&mask, mask_in);
+
+ init_raw(pDev, raw, ms, type, buttons);
+ set_raw_valuators(raw, &mask, raw->valuators.data_raw);
+
+ if (flags & POINTER_ABSOLUTE)
+ {
+ if (flags & POINTER_SCREEN) /* valuators are in screen coords */
+ {
+ int scaled;
+
+ if (valuator_mask_isset(&mask, 0))
+ {
+ scaled = rescaleValuatorAxis(valuator_mask_get(&mask, 0),
+ 0.0, &x_frac, NULL,
+ pDev->valuator->axes + 0,
+ scr->width);
+ valuator_mask_set(&mask, 0, scaled);
+ }
+ if (valuator_mask_isset(&mask, 1))
+ {
+ scaled = rescaleValuatorAxis(valuator_mask_get(&mask, 1),
+ 0.0, &y_frac, NULL,
+ pDev->valuator->axes + 1,
+ scr->height);
+ valuator_mask_set(&mask, 1, scaled);
+ }
+ }
+
+ transformAbsolute(pDev, &mask);
+ moveAbsolute(pDev, &x, &y, &mask);
+ } else {
+ if (flags & POINTER_ACCELERATE) {
+ /* FIXME: Pointer acceleration only requires X and Y values. This
+ * should be converted to masked valuators. */
+ int vals[2];
+ vals[0] = valuator_mask_isset(&mask, 0) ?
+ valuator_mask_get(&mask, 0) : 0;
+ vals[1] = valuator_mask_isset(&mask, 1) ?
+ valuator_mask_get(&mask, 1) : 0;
+ accelPointer(pDev, 0, 2, vals, ms);
+
+ if (valuator_mask_isset(&mask, 0))
+ valuator_mask_set(&mask, 0, vals[0]);
+ if (valuator_mask_isset(&mask, 1))
+ valuator_mask_set(&mask, 1, vals[1]);
+
+ /* The pointer acceleration code modifies the fractional part
+ * in-place, so we need to extract this information first */
+ x_frac = pDev->last.remainder[0];
+ y_frac = pDev->last.remainder[1];
+ }
+ moveRelative(pDev, &x, &y, &mask);
+ }
+
+ set_raw_valuators(raw, &mask, raw->valuators.data);
+
+ positionSprite(pDev, &x, &y, x_frac, y_frac, scr, &cx, &cy, &cx_frac, &cy_frac);
+ updateHistory(pDev, &mask, ms);
+
+ /* Update the valuators with the true value sent to the client*/
+ if (valuator_mask_isset(&mask, 0))
+ valuator_mask_set(&mask, 0, x);
+ if (valuator_mask_isset(&mask, 1))
+ valuator_mask_set(&mask, 1, y);
+
+ clipValuators(pDev, &mask);
+
+ event = (DeviceEvent*) events->event;
+ init_event(pDev, event, ms);
+
+ if (type == MotionNotify) {
+ event->type = ET_Motion;
+ event->detail.button = 0;
+ }
+ else {
+ if (type == ButtonPress) {
+ event->type = ET_ButtonPress;
+ set_button_down(pDev, buttons, BUTTON_POSTED);
+ }
+ else if (type == ButtonRelease) {
+ event->type = ET_ButtonRelease;
+ set_button_up(pDev, buttons, BUTTON_POSTED);
+ }
+ event->detail.button = buttons;
+ }
+
+ event->root_x = cx; /* root_x/y always in screen coords */
+ event->root_y = cy;
+ event->root_x_frac = cx_frac;
+ event->root_y_frac = cy_frac;
+
+ set_valuators(pDev, event, &mask);
+
+ return num_events;
+}
+
+
+/**
+ * Generate ProximityIn/ProximityOut InternalEvents, accompanied by
+ * valuators.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via GetMaximumEventsNum(), and for freeing it.
+ */
+int
+GetProximityEvents(EventList *events, DeviceIntPtr pDev, int type, const ValuatorMask *mask_in)
+{
+ int num_events = 1, i;
+ DeviceEvent *event;
+ ValuatorMask mask;
+
+ /* refuse events from disabled devices */
+ if (!pDev->enabled)
+ return 0;
+
+ /* Sanity checks. */
+ if ((type != ProximityIn && type != ProximityOut) || !mask_in)
+ return 0;
+ if (!pDev->valuator)
+ return 0;
+
+ valuator_mask_copy(&mask, mask_in);
+
+ /* ignore relative axes for proximity. */
+ for (i = 0; i < valuator_mask_size(&mask); i++)
+ {
+ if (valuator_mask_isset(&mask, i) &&
+ valuator_get_mode(pDev, i) == Relative)
+ valuator_mask_unset(&mask, i);
+ }
+
+ /* FIXME: posting proximity events with relative valuators only results
+ * in an empty event, EventToXI() will fail to convert → no event sent
+ * to client. */
+
+ events = UpdateFromMaster(events, pDev, DEVCHANGE_POINTER_EVENT, &num_events);
+
+ event = (DeviceEvent *) events->event;
+ init_event(pDev, event, GetTimeInMillis());
+ event->type = (type == ProximityIn) ? ET_ProximityIn : ET_ProximityOut;
+
+ clipValuators(pDev, &mask);
+
+ set_valuators(pDev, event, &mask);
+
+ return num_events;
+}
+
+/**
+ * Synthesize a single motion event for the core pointer.
+ *
+ * Used in cursor functions, e.g. when cursor confinement changes, and we need
+ * to shift the pointer to get it inside the new bounds.
+ */
+void
+PostSyntheticMotion(DeviceIntPtr pDev,
+ int x,
+ int y,
+ int screen,
+ unsigned long time)
+{
+ DeviceEvent ev;
+
+#ifdef PANORAMIX
+ /* Translate back to the sprite screen since processInputProc
+ will translate from sprite screen to screen 0 upon reentry
+ to the DIX layer. */
+ if (!noPanoramiXExtension) {
+ x += screenInfo.screens[0]->x - screenInfo.screens[screen]->x;
+ y += screenInfo.screens[0]->y - screenInfo.screens[screen]->y;
+ }
+#endif
+
+ memset(&ev, 0, sizeof(DeviceEvent));
+ init_event(pDev, &ev, time);
+ ev.root_x = x;
+ ev.root_y = y;
+ ev.type = ET_Motion;
+ ev.time = time;
+
+ /* FIXME: MD/SD considerations? */
+ (*pDev->public.processInputProc)((InternalEvent*)&ev, pDev);
+}
diff --git a/xorg-server/dix/inpututils.c b/xorg-server/dix/inpututils.c
index 4c6112b7f..b61cf4831 100644
--- a/xorg-server/dix/inpututils.c
+++ b/xorg-server/dix/inpututils.c
@@ -1,558 +1,558 @@
-/*
- * Copyright © 2008 Daniel Stone
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Author: Daniel Stone <daniel@fooishbar.org>
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include "dix-config.h"
-#endif
-
-#include "exevents.h"
-#include "exglobals.h"
-#include "misc.h"
-#include "input.h"
-#include "inputstr.h"
-#include "xace.h"
-#include "xkbsrv.h"
-#include "xkbstr.h"
-#include "inpututils.h"
-
-/* Check if a button map change is okay with the device.
- * Returns -1 for BadValue, as it collides with MappingBusy. */
-static int
-check_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, CARD32 *errval_out,
- ClientPtr client)
-{
- int i, ret;
-
- if (!dev || !dev->button)
- {
- client->errorValue = (dev) ? dev->id : 0;
- return BadDevice;
- }
-
- ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
- if (ret != Success)
- {
- client->errorValue = dev->id;
- return ret;
- }
-
- for (i = 0; i < len; i++) {
- if (dev->button->map[i + 1] != map[i] && dev->button->down[i + 1])
- return MappingBusy;
- }
-
- return Success;
-}
-
-static void
-do_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
-{
- int i;
- xEvent core_mn;
- deviceMappingNotify xi_mn;
-
- /* The map in ButtonClassRec refers to button numbers, whereas the
- * protocol is zero-indexed. Sigh. */
- memcpy(&(dev->button->map[1]), map, len);
-
- core_mn.u.u.type = MappingNotify;
- core_mn.u.mappingNotify.request = MappingPointer;
-
- /* 0 is the server client. */
- for (i = 1; i < currentMaxClients; i++) {
- /* Don't send irrelevant events to naïve clients. */
- if (!clients[i] || clients[i]->clientState != ClientStateRunning)
- continue;
-
- if (!XIShouldNotify(clients[i], dev))
- continue;
-
- WriteEventsToClient(clients[i], 1, &core_mn);
- }
-
- xi_mn.type = DeviceMappingNotify;
- xi_mn.request = MappingPointer;
- xi_mn.deviceid = dev->id;
- xi_mn.time = GetTimeInMillis();
-
- SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) &xi_mn, 1);
-}
-
-/*
- * Does what it says on the box, both for core and Xi.
- *
- * Faithfully reports any errors encountered while trying to apply the map
- * to the requested device, faithfully ignores any errors encountered while
- * trying to apply the map to its master/slaves.
- */
-int
-ApplyPointerMapping(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
-{
- int ret;
-
- /* If we can't perform the change on the requested device, bail out. */
- ret = check_butmap_change(dev, map, len, &client->errorValue, client);
- if (ret != Success)
- return ret;
- do_butmap_change(dev, map, len, client);
-
- return Success;
-}
-
-/* Check if a modifier map change is okay with the device.
- * Returns -1 for BadValue, as it collides with MappingBusy; this particular
- * caveat can be removed with LegalModifier, as we have no other reason to
- * set MappingFailed. Sigh. */
-static int
-check_modmap_change(ClientPtr client, DeviceIntPtr dev, KeyCode *modmap)
-{
- int ret, i;
- XkbDescPtr xkb;
-
- ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
- if (ret != Success)
- return ret;
-
- if (!dev->key)
- return BadMatch;
- xkb = dev->key->xkbInfo->desc;
-
- for (i = 0; i < MAP_LENGTH; i++) {
- if (!modmap[i])
- continue;
-
- /* Check that all the new modifiers fall within the advertised
- * keycode range. */
- if (i < xkb->min_key_code || i > xkb->max_key_code) {
- client->errorValue = i;
- return -1;
- }
-
- /* Make sure the mapping is okay with the DDX. */
- if (!LegalModifier(i, dev)) {
- client->errorValue = i;
- return MappingFailed;
- }
-
- /* None of the new modifiers may be down while we change the
- * map. */
- if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
- client->errorValue = i;
- return MappingBusy;
- }
- }
-
- /* None of the old modifiers may be down while we change the map,
- * either. */
- for (i = xkb->min_key_code; i < xkb->max_key_code; i++) {
- if (!xkb->map->modmap[i])
- continue;
- if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
- client->errorValue = i;
- return MappingBusy;
- }
- }
-
- return Success;
-}
-
-static int
-check_modmap_change_slave(ClientPtr client, DeviceIntPtr master,
- DeviceIntPtr slave, CARD8 *modmap)
-{
- XkbDescPtr master_xkb, slave_xkb;
- int i, j;
-
- if (!slave->key || !master->key)
- return 0;
-
- master_xkb = master->key->xkbInfo->desc;
- slave_xkb = slave->key->xkbInfo->desc;
-
- /* Ignore devices with a clearly different keymap. */
- if (slave_xkb->min_key_code != master_xkb->min_key_code ||
- slave_xkb->max_key_code != master_xkb->max_key_code)
- return 0;
-
- for (i = 0; i < MAP_LENGTH; i++) {
- if (!modmap[i])
- continue;
-
- /* If we have different symbols for any modifier on an
- * extended keyboard, ignore the whole remap request. */
- for (j = 0;
- j < XkbKeyNumSyms(slave_xkb, i) &&
- j < XkbKeyNumSyms(master_xkb, i);
- j++)
- if (XkbKeySymsPtr(slave_xkb, i)[j] != XkbKeySymsPtr(master_xkb, i)[j])
- return 0;
- }
-
- if (check_modmap_change(client, slave, modmap) != Success)
- return 0;
-
- return 1;
-}
-
-/* Actually change the modifier map, and send notifications. Cannot fail. */
-static void
-do_modmap_change(ClientPtr client, DeviceIntPtr dev, CARD8 *modmap)
-{
- XkbApplyMappingChange(dev, NULL, 0, 0, modmap, serverClient);
-}
-
-/* Rebuild modmap (key -> mod) from map (mod -> key). */
-static int build_modmap_from_modkeymap(CARD8 *modmap, KeyCode *modkeymap,
- int max_keys_per_mod)
-{
- int i, len = max_keys_per_mod * 8;
-
- memset(modmap, 0, MAP_LENGTH);
-
- for (i = 0; i < len; i++) {
- if (!modkeymap[i])
- continue;
-
- if (modkeymap[i] >= MAP_LENGTH)
- return BadValue;
-
- //if (modmap[modkeymap[i]]) It looks like it needlessly gives errors back
- // return BadValue;
-
- modmap[modkeymap[i]] |= 1 << (i / max_keys_per_mod); // Now or it because of previous line removal
- }
-
- return Success;
-}
-
-int
-change_modmap(ClientPtr client, DeviceIntPtr dev, KeyCode *modkeymap,
- int max_keys_per_mod)
-{
- int ret;
- CARD8 modmap[MAP_LENGTH];
- DeviceIntPtr tmp;
-
- ret = build_modmap_from_modkeymap(modmap, modkeymap, max_keys_per_mod);
- if (ret != Success)
- return ret;
-
- /* If we can't perform the change on the requested device, bail out. */
- ret = check_modmap_change(client, dev, modmap);
- if (ret != Success)
- return ret;
- do_modmap_change(client, dev, modmap);
-
- /* Change any attached masters/slaves. */
- if (IsMaster(dev)) {
- for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
- if (!IsMaster(tmp) && tmp->u.master == dev)
- if (check_modmap_change_slave(client, dev, tmp, modmap))
- do_modmap_change(client, tmp, modmap);
- }
- }
- else if (dev->u.master && dev->u.master->u.lastSlave == dev) {
- /* If this fails, expect the results to be weird. */
- if (check_modmap_change(client, dev->u.master, modmap))
- do_modmap_change(client, dev->u.master, modmap);
- }
-
- return Success;
-}
-
-int generate_modkeymap(ClientPtr client, DeviceIntPtr dev,
- KeyCode **modkeymap_out, int *max_keys_per_mod_out)
-{
- CARD8 keys_per_mod[8];
- int max_keys_per_mod;
- KeyCode *modkeymap = NULL;
- int i, j, ret;
-
- ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess);
- if (ret != Success)
- return ret;
-
- if (!dev->key)
- return BadMatch;
-
- /* Count the number of keys per modifier to determine how wide we
- * should make the map. */
- max_keys_per_mod = 0;
- for (i = 0; i < 8; i++)
- keys_per_mod[i] = 0;
- for (i = 8; i < MAP_LENGTH; i++) {
- for (j = 0; j < 8; j++) {
- if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
- if (++keys_per_mod[j] > max_keys_per_mod)
- max_keys_per_mod = keys_per_mod[j];
- }
- }
- }
-
- if (max_keys_per_mod != 0) {
- modkeymap = calloc(max_keys_per_mod * 8, sizeof(KeyCode));
- if (!modkeymap)
- return BadAlloc;
-
- for (i = 0; i < 8; i++)
- keys_per_mod[i] = 0;
-
- for (i = 8; i < MAP_LENGTH; i++) {
- for (j = 0; j < 8; j++) {
- if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
- modkeymap[(j * max_keys_per_mod) + keys_per_mod[j]] = i;
- keys_per_mod[j]++;
- }
- }
- }
- }
-
- *max_keys_per_mod_out = max_keys_per_mod;
- *modkeymap_out = modkeymap;
-
- return Success;
-}
-
-/**
- * Duplicate the InputAttributes in the most obvious way.
- * No special memory handling is used to give drivers the maximum
- * flexibility with the data. Drivers should be able to call realloc on the
- * product string if needed and perform similar operations.
- */
-InputAttributes*
-DuplicateInputAttributes(InputAttributes *attrs)
-{
- InputAttributes *new_attr;
- int ntags = 0;
- char **tags, **new_tags;
-
- if (!attrs)
- return NULL;
-
- if (!(new_attr = calloc(1, sizeof(InputAttributes))))
- goto unwind;
-
- if (attrs->product && !(new_attr->product = strdup(attrs->product)))
- goto unwind;
- if (attrs->vendor && !(new_attr->vendor = strdup(attrs->vendor)))
- goto unwind;
- if (attrs->device && !(new_attr->device = strdup(attrs->device)))
- goto unwind;
- if (attrs->pnp_id && !(new_attr->pnp_id = strdup(attrs->pnp_id)))
- goto unwind;
- if (attrs->usb_id && !(new_attr->usb_id = strdup(attrs->usb_id)))
- goto unwind;
-
- new_attr->flags = attrs->flags;
-
- if ((tags = attrs->tags))
- {
- while(*tags++)
- ntags++;
-
- new_attr->tags = calloc(ntags + 1, sizeof(char*));
- if (!new_attr->tags)
- goto unwind;
-
- tags = attrs->tags;
- new_tags = new_attr->tags;
-
- while(*tags)
- {
- *new_tags = strdup(*tags);
- if (!*new_tags)
- goto unwind;
-
- tags++;
- new_tags++;
- }
- }
-
- return new_attr;
-
-unwind:
- FreeInputAttributes(new_attr);
- return NULL;
-}
-
-void
-FreeInputAttributes(InputAttributes *attrs)
-{
- char **tags;
-
- if (!attrs)
- return;
-
- free(attrs->product);
- free(attrs->vendor);
- free(attrs->device);
- free(attrs->pnp_id);
- free(attrs->usb_id);
-
- if ((tags = attrs->tags))
- while(*tags)
- free(*tags++);
-
- free(attrs->tags);
- free(attrs);
-}
-
-/**
- * Alloc a valuator mask large enough for num_valuators.
- */
-ValuatorMask*
-valuator_mask_new(int num_valuators)
-{
- /* alloc a fixed size mask for now and ignore num_valuators. in the
- * flying-car future, when we can dynamically alloc the masks and are
- * not constrained by signals, we can start using num_valuators */
- ValuatorMask *mask = calloc(1, sizeof(ValuatorMask));
- mask->last_bit = -1;
- return mask;
-}
-
-void
-valuator_mask_free(ValuatorMask **mask)
-{
- free(*mask);
- *mask = NULL;
-}
-
-
-/**
- * Sets a range of valuators between first_valuator and num_valuators with
- * the data in the valuators array. All other values are set to 0.
- */
-void
-valuator_mask_set_range(ValuatorMask *mask, int first_valuator, int num_valuators,
- const int* valuators)
-{
- int i;
-
- valuator_mask_zero(mask);
-
- for (i = first_valuator; i < min(first_valuator + num_valuators, MAX_VALUATORS); i++)
- valuator_mask_set(mask, i, valuators[i - first_valuator]);
-}
-
-/**
- * Reset mask to zero.
- */
-void
-valuator_mask_zero(ValuatorMask *mask)
-{
- memset(mask, 0, sizeof(*mask));
- mask->last_bit = -1;
-}
-
-/**
- * Returns the current size of the mask (i.e. the highest number of
- * valuators currently set + 1).
- */
-int
-valuator_mask_size(const ValuatorMask *mask)
-{
- return mask->last_bit + 1;
-}
-
-/**
- * Returns the number of valuators set in the given mask.
- */
-int
-valuator_mask_num_valuators(const ValuatorMask *mask)
-{
- return CountBits(mask->mask, min(mask->last_bit + 1, MAX_VALUATORS));
-}
-
-/**
- * Return true if the valuator is set in the mask, or false otherwise.
- */
-int
-valuator_mask_isset(const ValuatorMask *mask, int valuator)
-{
- return mask->last_bit >= valuator && BitIsOn(mask->mask, valuator);
-}
-
-/**
- * Set the valuator to the given data.
- */
-void
-valuator_mask_set(ValuatorMask *mask, int valuator, int data)
-{
- mask->last_bit = max(valuator, mask->last_bit);
- SetBit(mask->mask, valuator);
- mask->valuators[valuator] = data;
-}
-
-/**
- * Return the requested valuator value. If the mask bit is not set for the
- * given valuator, the returned value is undefined.
- */
-int
-valuator_mask_get(const ValuatorMask *mask, int valuator)
-{
- return mask->valuators[valuator];
-}
-
-/**
- * Remove the valuator from the mask.
- */
-void
-valuator_mask_unset(ValuatorMask *mask, int valuator)
-{
- if (mask->last_bit >= valuator) {
- int i, lastbit = -1;
-
- ClearBit(mask->mask, valuator);
- mask->valuators[valuator] = 0;
-
- for (i = 0; i <= mask->last_bit; i++)
- if (valuator_mask_isset(mask, i))
- lastbit = max(lastbit, i);
- mask->last_bit = lastbit;
- }
-}
-
-void
-valuator_mask_copy(ValuatorMask *dest, const ValuatorMask *src)
-{
- if (src)
- memcpy(dest, src, sizeof(*dest));
- else
- valuator_mask_zero(dest);
-}
-
-int
-CountBits(const uint8_t *mask, int len)
-{
- int i;
- int ret = 0;
-
- for (i = 0; i < len; i++)
- if (BitIsOn(mask, i))
- ret++;
-
- return ret;
-}
+/*
+ * Copyright © 2008 Daniel Stone
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Daniel Stone <daniel@fooishbar.org>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
+
+#include "exevents.h"
+#include "exglobals.h"
+#include "misc.h"
+#include "input.h"
+#include "inputstr.h"
+#include "xace.h"
+#include "xkbsrv.h"
+#include "xkbstr.h"
+#include "inpututils.h"
+
+/* Check if a button map change is okay with the device.
+ * Returns -1 for BadValue, as it collides with MappingBusy. */
+static int
+check_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, CARD32 *errval_out,
+ ClientPtr client)
+{
+ int i, ret;
+
+ if (!dev || !dev->button)
+ {
+ client->errorValue = (dev) ? dev->id : 0;
+ return BadDevice;
+ }
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
+ if (ret != Success)
+ {
+ client->errorValue = dev->id;
+ return ret;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (dev->button->map[i + 1] != map[i] && dev->button->down[i + 1])
+ return MappingBusy;
+ }
+
+ return Success;
+}
+
+static void
+do_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
+{
+ int i;
+ xEvent core_mn;
+ deviceMappingNotify xi_mn;
+
+ /* The map in ButtonClassRec refers to button numbers, whereas the
+ * protocol is zero-indexed. Sigh. */
+ memcpy(&(dev->button->map[1]), map, len);
+
+ core_mn.u.u.type = MappingNotify;
+ core_mn.u.mappingNotify.request = MappingPointer;
+
+ /* 0 is the server client. */
+ for (i = 1; i < currentMaxClients; i++) {
+ /* Don't send irrelevant events to naïve clients. */
+ if (!clients[i] || clients[i]->clientState != ClientStateRunning)
+ continue;
+
+ if (!XIShouldNotify(clients[i], dev))
+ continue;
+
+ WriteEventsToClient(clients[i], 1, &core_mn);
+ }
+
+ xi_mn.type = DeviceMappingNotify;
+ xi_mn.request = MappingPointer;
+ xi_mn.deviceid = dev->id;
+ xi_mn.time = GetTimeInMillis();
+
+ SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) &xi_mn, 1);
+}
+
+/*
+ * Does what it says on the box, both for core and Xi.
+ *
+ * Faithfully reports any errors encountered while trying to apply the map
+ * to the requested device, faithfully ignores any errors encountered while
+ * trying to apply the map to its master/slaves.
+ */
+int
+ApplyPointerMapping(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
+{
+ int ret;
+
+ /* If we can't perform the change on the requested device, bail out. */
+ ret = check_butmap_change(dev, map, len, &client->errorValue, client);
+ if (ret != Success)
+ return ret;
+ do_butmap_change(dev, map, len, client);
+
+ return Success;
+}
+
+/* Check if a modifier map change is okay with the device.
+ * Returns -1 for BadValue, as it collides with MappingBusy; this particular
+ * caveat can be removed with LegalModifier, as we have no other reason to
+ * set MappingFailed. Sigh. */
+static int
+check_modmap_change(ClientPtr client, DeviceIntPtr dev, KeyCode *modmap)
+{
+ int ret, i;
+ XkbDescPtr xkb;
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
+ if (ret != Success)
+ return ret;
+
+ if (!dev->key)
+ return BadMatch;
+ xkb = dev->key->xkbInfo->desc;
+
+ for (i = 0; i < MAP_LENGTH; i++) {
+ if (!modmap[i])
+ continue;
+
+ /* Check that all the new modifiers fall within the advertised
+ * keycode range. */
+ if (i < xkb->min_key_code || i > xkb->max_key_code) {
+ client->errorValue = i;
+ return -1;
+ }
+
+ /* Make sure the mapping is okay with the DDX. */
+ if (!LegalModifier(i, dev)) {
+ client->errorValue = i;
+ return MappingFailed;
+ }
+
+ /* None of the new modifiers may be down while we change the
+ * map. */
+ if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
+ client->errorValue = i;
+ return MappingBusy;
+ }
+ }
+
+ /* None of the old modifiers may be down while we change the map,
+ * either. */
+ for (i = xkb->min_key_code; i < xkb->max_key_code; i++) {
+ if (!xkb->map->modmap[i])
+ continue;
+ if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
+ client->errorValue = i;
+ return MappingBusy;
+ }
+ }
+
+ return Success;
+}
+
+static int
+check_modmap_change_slave(ClientPtr client, DeviceIntPtr master,
+ DeviceIntPtr slave, CARD8 *modmap)
+{
+ XkbDescPtr master_xkb, slave_xkb;
+ int i, j;
+
+ if (!slave->key || !master->key)
+ return 0;
+
+ master_xkb = master->key->xkbInfo->desc;
+ slave_xkb = slave->key->xkbInfo->desc;
+
+ /* Ignore devices with a clearly different keymap. */
+ if (slave_xkb->min_key_code != master_xkb->min_key_code ||
+ slave_xkb->max_key_code != master_xkb->max_key_code)
+ return 0;
+
+ for (i = 0; i < MAP_LENGTH; i++) {
+ if (!modmap[i])
+ continue;
+
+ /* If we have different symbols for any modifier on an
+ * extended keyboard, ignore the whole remap request. */
+ for (j = 0;
+ j < XkbKeyNumSyms(slave_xkb, i) &&
+ j < XkbKeyNumSyms(master_xkb, i);
+ j++)
+ if (XkbKeySymsPtr(slave_xkb, i)[j] != XkbKeySymsPtr(master_xkb, i)[j])
+ return 0;
+ }
+
+ if (check_modmap_change(client, slave, modmap) != Success)
+ return 0;
+
+ return 1;
+}
+
+/* Actually change the modifier map, and send notifications. Cannot fail. */
+static void
+do_modmap_change(ClientPtr client, DeviceIntPtr dev, CARD8 *modmap)
+{
+ XkbApplyMappingChange(dev, NULL, 0, 0, modmap, serverClient);
+}
+
+/* Rebuild modmap (key -> mod) from map (mod -> key). */
+static int build_modmap_from_modkeymap(CARD8 *modmap, KeyCode *modkeymap,
+ int max_keys_per_mod)
+{
+ int i, len = max_keys_per_mod * 8;
+
+ memset(modmap, 0, MAP_LENGTH);
+
+ for (i = 0; i < len; i++) {
+ if (!modkeymap[i])
+ continue;
+
+ if (modkeymap[i] >= MAP_LENGTH)
+ return BadValue;
+
+ //if (modmap[modkeymap[i]]) It looks like it needlessly gives errors back
+ // return BadValue;
+
+ modmap[modkeymap[i]] |= 1 << (i / max_keys_per_mod); // Now or it because of previous line removal
+ }
+
+ return Success;
+}
+
+int
+change_modmap(ClientPtr client, DeviceIntPtr dev, KeyCode *modkeymap,
+ int max_keys_per_mod)
+{
+ int ret;
+ CARD8 modmap[MAP_LENGTH];
+ DeviceIntPtr tmp;
+
+ ret = build_modmap_from_modkeymap(modmap, modkeymap, max_keys_per_mod);
+ if (ret != Success)
+ return ret;
+
+ /* If we can't perform the change on the requested device, bail out. */
+ ret = check_modmap_change(client, dev, modmap);
+ if (ret != Success)
+ return ret;
+ do_modmap_change(client, dev, modmap);
+
+ /* Change any attached masters/slaves. */
+ if (IsMaster(dev)) {
+ for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
+ if (!IsMaster(tmp) && GetMaster(tmp, MASTER_KEYBOARD) == dev)
+ if (check_modmap_change_slave(client, dev, tmp, modmap))
+ do_modmap_change(client, tmp, modmap);
+ }
+ }
+ else if (!IsFloating(dev) && GetMaster(dev, MASTER_KEYBOARD)->lastSlave == dev) {
+ /* If this fails, expect the results to be weird. */
+ if (check_modmap_change(client, dev->master, modmap))
+ do_modmap_change(client, dev->master, modmap);
+ }
+
+ return Success;
+}
+
+int generate_modkeymap(ClientPtr client, DeviceIntPtr dev,
+ KeyCode **modkeymap_out, int *max_keys_per_mod_out)
+{
+ CARD8 keys_per_mod[8];
+ int max_keys_per_mod;
+ KeyCode *modkeymap = NULL;
+ int i, j, ret;
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess);
+ if (ret != Success)
+ return ret;
+
+ if (!dev->key)
+ return BadMatch;
+
+ /* Count the number of keys per modifier to determine how wide we
+ * should make the map. */
+ max_keys_per_mod = 0;
+ for (i = 0; i < 8; i++)
+ keys_per_mod[i] = 0;
+ for (i = 8; i < MAP_LENGTH; i++) {
+ for (j = 0; j < 8; j++) {
+ if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
+ if (++keys_per_mod[j] > max_keys_per_mod)
+ max_keys_per_mod = keys_per_mod[j];
+ }
+ }
+ }
+
+ if (max_keys_per_mod != 0) {
+ modkeymap = calloc(max_keys_per_mod * 8, sizeof(KeyCode));
+ if (!modkeymap)
+ return BadAlloc;
+
+ for (i = 0; i < 8; i++)
+ keys_per_mod[i] = 0;
+
+ for (i = 8; i < MAP_LENGTH; i++) {
+ for (j = 0; j < 8; j++) {
+ if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
+ modkeymap[(j * max_keys_per_mod) + keys_per_mod[j]] = i;
+ keys_per_mod[j]++;
+ }
+ }
+ }
+ }
+
+ *max_keys_per_mod_out = max_keys_per_mod;
+ *modkeymap_out = modkeymap;
+
+ return Success;
+}
+
+/**
+ * Duplicate the InputAttributes in the most obvious way.
+ * No special memory handling is used to give drivers the maximum
+ * flexibility with the data. Drivers should be able to call realloc on the
+ * product string if needed and perform similar operations.
+ */
+InputAttributes*
+DuplicateInputAttributes(InputAttributes *attrs)
+{
+ InputAttributes *new_attr;
+ int ntags = 0;
+ char **tags, **new_tags;
+
+ if (!attrs)
+ return NULL;
+
+ if (!(new_attr = calloc(1, sizeof(InputAttributes))))
+ goto unwind;
+
+ if (attrs->product && !(new_attr->product = strdup(attrs->product)))
+ goto unwind;
+ if (attrs->vendor && !(new_attr->vendor = strdup(attrs->vendor)))
+ goto unwind;
+ if (attrs->device && !(new_attr->device = strdup(attrs->device)))
+ goto unwind;
+ if (attrs->pnp_id && !(new_attr->pnp_id = strdup(attrs->pnp_id)))
+ goto unwind;
+ if (attrs->usb_id && !(new_attr->usb_id = strdup(attrs->usb_id)))
+ goto unwind;
+
+ new_attr->flags = attrs->flags;
+
+ if ((tags = attrs->tags))
+ {
+ while(*tags++)
+ ntags++;
+
+ new_attr->tags = calloc(ntags + 1, sizeof(char*));
+ if (!new_attr->tags)
+ goto unwind;
+
+ tags = attrs->tags;
+ new_tags = new_attr->tags;
+
+ while(*tags)
+ {
+ *new_tags = strdup(*tags);
+ if (!*new_tags)
+ goto unwind;
+
+ tags++;
+ new_tags++;
+ }
+ }
+
+ return new_attr;
+
+unwind:
+ FreeInputAttributes(new_attr);
+ return NULL;
+}
+
+void
+FreeInputAttributes(InputAttributes *attrs)
+{
+ char **tags;
+
+ if (!attrs)
+ return;
+
+ free(attrs->product);
+ free(attrs->vendor);
+ free(attrs->device);
+ free(attrs->pnp_id);
+ free(attrs->usb_id);
+
+ if ((tags = attrs->tags))
+ while(*tags)
+ free(*tags++);
+
+ free(attrs->tags);
+ free(attrs);
+}
+
+/**
+ * Alloc a valuator mask large enough for num_valuators.
+ */
+ValuatorMask*
+valuator_mask_new(int num_valuators)
+{
+ /* alloc a fixed size mask for now and ignore num_valuators. in the
+ * flying-car future, when we can dynamically alloc the masks and are
+ * not constrained by signals, we can start using num_valuators */
+ ValuatorMask *mask = calloc(1, sizeof(ValuatorMask));
+ mask->last_bit = -1;
+ return mask;
+}
+
+void
+valuator_mask_free(ValuatorMask **mask)
+{
+ free(*mask);
+ *mask = NULL;
+}
+
+
+/**
+ * Sets a range of valuators between first_valuator and num_valuators with
+ * the data in the valuators array. All other values are set to 0.
+ */
+void
+valuator_mask_set_range(ValuatorMask *mask, int first_valuator, int num_valuators,
+ const int* valuators)
+{
+ int i;
+
+ valuator_mask_zero(mask);
+
+ for (i = first_valuator; i < min(first_valuator + num_valuators, MAX_VALUATORS); i++)
+ valuator_mask_set(mask, i, valuators[i - first_valuator]);
+}
+
+/**
+ * Reset mask to zero.
+ */
+void
+valuator_mask_zero(ValuatorMask *mask)
+{
+ memset(mask, 0, sizeof(*mask));
+ mask->last_bit = -1;
+}
+
+/**
+ * Returns the current size of the mask (i.e. the highest number of
+ * valuators currently set + 1).
+ */
+int
+valuator_mask_size(const ValuatorMask *mask)
+{
+ return mask->last_bit + 1;
+}
+
+/**
+ * Returns the number of valuators set in the given mask.
+ */
+int
+valuator_mask_num_valuators(const ValuatorMask *mask)
+{
+ return CountBits(mask->mask, min(mask->last_bit + 1, MAX_VALUATORS));
+}
+
+/**
+ * Return true if the valuator is set in the mask, or false otherwise.
+ */
+int
+valuator_mask_isset(const ValuatorMask *mask, int valuator)
+{
+ return mask->last_bit >= valuator && BitIsOn(mask->mask, valuator);
+}
+
+/**
+ * Set the valuator to the given data.
+ */
+void
+valuator_mask_set(ValuatorMask *mask, int valuator, int data)
+{
+ mask->last_bit = max(valuator, mask->last_bit);
+ SetBit(mask->mask, valuator);
+ mask->valuators[valuator] = data;
+}
+
+/**
+ * Return the requested valuator value. If the mask bit is not set for the
+ * given valuator, the returned value is undefined.
+ */
+int
+valuator_mask_get(const ValuatorMask *mask, int valuator)
+{
+ return mask->valuators[valuator];
+}
+
+/**
+ * Remove the valuator from the mask.
+ */
+void
+valuator_mask_unset(ValuatorMask *mask, int valuator)
+{
+ if (mask->last_bit >= valuator) {
+ int i, lastbit = -1;
+
+ ClearBit(mask->mask, valuator);
+ mask->valuators[valuator] = 0;
+
+ for (i = 0; i <= mask->last_bit; i++)
+ if (valuator_mask_isset(mask, i))
+ lastbit = max(lastbit, i);
+ mask->last_bit = lastbit;
+ }
+}
+
+void
+valuator_mask_copy(ValuatorMask *dest, const ValuatorMask *src)
+{
+ if (src)
+ memcpy(dest, src, sizeof(*dest));
+ else
+ valuator_mask_zero(dest);
+}
+
+int
+CountBits(const uint8_t *mask, int len)
+{
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < len; i++)
+ if (BitIsOn(mask, i))
+ ret++;
+
+ return ret;
+}
diff --git a/xorg-server/dix/main.c b/xorg-server/dix/main.c
index 169147112..0c9eb7708 100644
--- a/xorg-server/dix/main.c
+++ b/xorg-server/dix/main.c
@@ -104,6 +104,7 @@ Equipment Corporation.
#include "extnsionst.h"
#include "privates.h"
#include "registry.h"
+#include "client.h"
#ifdef PANORAMIX
#include "panoramiXsrv.h"
#else
@@ -302,6 +303,7 @@ int main(int argc, char *argv[], char *envp[])
InitCoreDevices();
InitInput(argc, argv);
InitAndStartDevices();
+ ReserveClientIds(serverClient);
dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
@@ -367,6 +369,7 @@ int main(int argc, char *argv[], char *envp[])
screenInfo.numScreens = i;
}
+ ReleaseClientIds(serverClient);
dixFreePrivates(serverClient->devPrivates, PRIVATE_CLIENT);
serverClient->devPrivates = NULL;
diff --git a/xorg-server/dix/ptrveloc.c b/xorg-server/dix/ptrveloc.c
index 74a3d3a90..1170e767d 100644
--- a/xorg-server/dix/ptrveloc.c
+++ b/xorg-server/dix/ptrveloc.c
@@ -76,6 +76,10 @@ SimpleSmoothProfile(DeviceIntPtr dev, DeviceVelocityPtr vel, float velocity,
float threshold, float acc);
static PointerAccelerationProfileFunc
GetAccelerationProfile(DeviceVelocityPtr vel, int profile_num);
+static BOOL
+InitializePredictableAccelerationProperties(DeviceIntPtr dev);
+static BOOL
+DeletePredictableAccelerationProperties(DeviceIntPtr dev);
/*#define PTRACCEL_DEBUGGING*/
@@ -94,7 +98,7 @@ GetAccelerationProfile(DeviceVelocityPtr vel, int profile_num);
/**
- * Init struct so it should match the average case
+ * Init DeviceVelocity struct so it should match the average case
*/
void
InitVelocityData(DeviceVelocityPtr vel)
@@ -116,7 +120,7 @@ InitVelocityData(DeviceVelocityPtr vel)
/**
- * Clean up
+ * Clean up DeviceVelocityRec
*/
void
FreeVelocityData(DeviceVelocityPtr vel){
@@ -125,8 +129,28 @@ FreeVelocityData(DeviceVelocityPtr vel){
}
-/*
- * dix uninit helper, called through scheme
+/**
+ * Init predictable scheme
+ */
+Bool
+InitPredictableAccelerationScheme(DeviceIntPtr dev,
+ ValuatorAccelerationPtr protoScheme) {
+ DeviceVelocityPtr vel;
+ ValuatorAccelerationRec scheme;
+ scheme = *protoScheme;
+ vel = calloc(1, sizeof(DeviceVelocityRec));
+ if (!vel)
+ return FALSE;
+ InitVelocityData(vel);
+ scheme.accelData = vel;
+ dev->valuator->accelScheme = scheme;
+ InitializePredictableAccelerationProperties(dev);
+ return TRUE;
+}
+
+
+/**
+ * Uninit scheme
*/
void
AccelerationDefaultCleanup(DeviceIntPtr dev)
@@ -1033,12 +1057,10 @@ acceleratePointerPredictable(
int *valuators,
int evtime)
{
- float mult = 0.0;
+ float fdx, fdy, tmp, mult; /* no need to init */
int dx = 0, dy = 0;
int *px = NULL, *py = NULL;
- DeviceVelocityPtr velocitydata =
- (DeviceVelocityPtr) dev->valuator->accelScheme.accelData;
- float fdx, fdy, tmp; /* no need to init */
+ DeviceVelocityPtr velocitydata = GetDevicePredictableAccelData(dev);
Bool soften = TRUE;
if (!num_valuators || !valuators || !velocitydata)
@@ -1071,11 +1093,11 @@ acceleratePointerPredictable(
(float)dev->ptrfeed->ctrl.num /
(float)dev->ptrfeed->ctrl.den);
- if(mult != 1.0 || velocitydata->const_acceleration != 1.0) {
+ if(mult != 1.0f || velocitydata->const_acceleration != 1.0f) {
ApplySofteningAndConstantDeceleration( velocitydata,
dx, dy,
&fdx, &fdy,
- (mult > 1.0) && soften);
+ (mult > 1.0f) && soften);
if (dx) {
tmp = mult * fdx + dev->last.remainder[0];
diff --git a/xorg-server/dix/region.c b/xorg-server/dix/region.c
index c0add6ca9..e5f14c1f7 100644
--- a/xorg-server/dix/region.c
+++ b/xorg-server/dix/region.c
@@ -1423,237 +1423,3 @@ RegionFromRects(int nrects, xRectangle *prect, int ctype)
}
return pRgn;
}
-
-#define ExchangeSpans(a, b) \
-{ \
- DDXPointRec tpt; \
- int tw; \
- \
- tpt = spans[a]; spans[a] = spans[b]; spans[b] = tpt; \
- tw = widths[a]; widths[a] = widths[b]; widths[b] = tw; \
-}
-
-/* ||| I should apply the merge sort code to rectangle sorting above, and see
- if mapping time can be improved. But right now I've been at work 12 hours,
- so forget it.
-*/
-
-static void QuickSortSpans(
- DDXPointRec spans[],
- int widths[],
- int numSpans)
-{
- int y;
- int i, j, m;
- DDXPointPtr r;
-
- /* Always called with numSpans > 1 */
- /* Sorts only by y, doesn't bother to sort by x */
-
- do
- {
- if (numSpans < 9)
- {
- /* Do insertion sort */
- int yprev;
-
- yprev = spans[0].y;
- i = 1;
- do
- { /* while i != numSpans */
- y = spans[i].y;
- if (yprev > y)
- {
- /* spans[i] is out of order. Move into proper location. */
- DDXPointRec tpt;
- int tw, k;
-
- for (j = 0; y >= spans[j].y; j++) {}
- tpt = spans[i];
- tw = widths[i];
- for (k = i; k != j; k--)
- {
- spans[k] = spans[k-1];
- widths[k] = widths[k-1];
- }
- spans[j] = tpt;
- widths[j] = tw;
- y = spans[i].y;
- } /* if out of order */
- yprev = y;
- i++;
- } while (i != numSpans);
- return;
- }
-
- /* Choose partition element, stick in location 0 */
- m = numSpans / 2;
- if (spans[m].y > spans[0].y) ExchangeSpans(m, 0);
- if (spans[m].y > spans[numSpans-1].y) ExchangeSpans(m, numSpans-1);
- if (spans[m].y > spans[0].y) ExchangeSpans(m, 0);
- y = spans[0].y;
-
- /* Partition array */
- i = 0;
- j = numSpans;
- do
- {
- r = &(spans[i]);
- do
- {
- r++;
- i++;
- } while (i != numSpans && r->y < y);
- r = &(spans[j]);
- do
- {
- r--;
- j--;
- } while (y < r->y);
- if (i < j)
- ExchangeSpans(i, j);
- } while (i < j);
-
- /* Move partition element back to middle */
- ExchangeSpans(0, j);
-
- /* Recurse */
- if (numSpans-j-1 > 1)
- QuickSortSpans(&spans[j+1], &widths[j+1], numSpans-j-1);
- numSpans = j;
- } while (numSpans > 1);
-}
-
-#define NextBand() \
-{ \
- clipy1 = pboxBandStart->y1; \
- clipy2 = pboxBandStart->y2; \
- pboxBandEnd = pboxBandStart + 1; \
- while (pboxBandEnd != pboxLast && pboxBandEnd->y1 == clipy1) { \
- pboxBandEnd++; \
- } \
- for (; ppt != pptLast && ppt->y < clipy1; ppt++, pwidth++) {} \
-}
-
-/*
- Clip a list of scanlines to a region. The caller has allocated the
- space. FSorted is non-zero if the scanline origins are in ascending
- order.
- returns the number of new, clipped scanlines.
-*/
-
-int
-RegionClipSpans(
- RegionPtr prgnDst,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- DDXPointPtr pptNew,
- int *pwidthNew,
- int fSorted)
-{
- DDXPointPtr pptLast;
- int *pwidthNewStart; /* the vengeance of Xerox! */
- int y, x1, x2;
- int numRects;
-
- good(prgnDst);
- pptLast = ppt + nspans;
- pwidthNewStart = pwidthNew;
-
- if (!prgnDst->data)
- {
- /* Do special fast code with clip boundaries in registers(?) */
- /* It doesn't pay much to make use of fSorted in this case,
- so we lump everything together. */
-
- int clipx1, clipx2, clipy1, clipy2;
-
- clipx1 = prgnDst->extents.x1;
- clipy1 = prgnDst->extents.y1;
- clipx2 = prgnDst->extents.x2;
- clipy2 = prgnDst->extents.y2;
-
- for (; ppt != pptLast; ppt++, pwidth++)
- {
- y = ppt->y;
- x1 = ppt->x;
- if (clipy1 <= y && y < clipy2)
- {
- x2 = x1 + *pwidth;
- if (x1 < clipx1) x1 = clipx1;
- if (x2 > clipx2) x2 = clipx2;
- if (x1 < x2)
- {
- /* part of span in clip rectangle */
- pptNew->x = x1;
- pptNew->y = y;
- *pwidthNew = x2 - x1;
- pptNew++;
- pwidthNew++;
- }
- }
- } /* end for */
-
- }
- else if ((numRects = prgnDst->data->numRects))
- {
- /* Have to clip against many boxes */
- BoxPtr pboxBandStart, pboxBandEnd;
- BoxPtr pbox;
- BoxPtr pboxLast;
- int clipy1, clipy2;
-
- /* In this case, taking advantage of sorted spans gains more than
- the sorting costs. */
- if ((! fSorted) && (nspans > 1))
- QuickSortSpans(ppt, pwidth, nspans);
-
- pboxBandStart = RegionBoxptr(prgnDst);
- pboxLast = pboxBandStart + numRects;
-
- NextBand();
-
- for (; ppt != pptLast; )
- {
- y = ppt->y;
- if (y < clipy2)
- {
- /* span is in the current band */
- pbox = pboxBandStart;
- x1 = ppt->x;
- x2 = x1 + *pwidth;
- do
- { /* For each box in band */
- int newx1, newx2;
-
- newx1 = x1;
- newx2 = x2;
- if (newx1 < pbox->x1) newx1 = pbox->x1;
- if (newx2 > pbox->x2) newx2 = pbox->x2;
- if (newx1 < newx2)
- {
- /* Part of span in clip rectangle */
- pptNew->x = newx1;
- pptNew->y = y;
- *pwidthNew = newx2 - newx1;
- pptNew++;
- pwidthNew++;
- }
- pbox++;
- } while (pbox != pboxBandEnd);
- ppt++;
- pwidth++;
- }
- else
- {
- /* Move to next band, adjust ppt as needed */
- pboxBandStart = pboxBandEnd;
- if (pboxBandStart == pboxLast)
- break; /* We're completely done */
- NextBand();
- }
- }
- }
- return pwidthNew - pwidthNewStart;
-}
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