From 0b9b391c5a7acb31e5d8061169649043a38d6d0e Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 28 Mar 2011 10:22:02 +0000 Subject: xserver xkeyboard-config mesa git update 28 Mar 2011 --- xorg-server/dix/devices.c | 5236 ++++++++++++++++++++++----------------------- 1 file changed, 2606 insertions(+), 2630 deletions(-) (limited to 'xorg-server/dix/devices.c') diff --git a/xorg-server/dix/devices.c b/xorg-server/dix/devices.c index 7f500d63d..534931c3e 100644 --- a/xorg-server/dix/devices.c +++ b/xorg-server/dix/devices.c @@ -1,2630 +1,2606 @@ -/************************************************************ - -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. - -********************************************************/ - - - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#include "misc.h" -#include "resource.h" -#include -#include -#include "windowstr.h" -#include "inputstr.h" -#include "scrnintstr.h" -#include "cursorstr.h" -#include "dixstruct.h" -#include "ptrveloc.h" -#include "site.h" -#include "xkbsrv.h" -#include "privates.h" -#include "xace.h" -#include "mi.h" - -#include "dispatch.h" -#include "swaprep.h" -#include "dixevents.h" -#include "mipointer.h" -#include "eventstr.h" - -#include -#include -#include -#include -#include -#include "exglobals.h" -#include "exevents.h" -#include "xiquerydevice.h" /* for SizeDeviceClasses */ -#include "xiproperty.h" -#include "enterleave.h" /* for EnterWindow() */ -#include "xserver-properties.h" -#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */ - -/** @file - * This file handles input device-related stuff. - */ - -static void RecalculateMasterButtons(DeviceIntPtr slave); - -static void -DeviceSetTransform(DeviceIntPtr dev, float *transform) -{ - struct pixman_f_transform scale; - double sx, sy; - int x, y; - - /** - * calculate combined transformation matrix: - * - * M = InvScale * Transform * Scale - * - * So we can later transform points using M * p - * - * Where: - * Scale scales coordinates into 0..1 range - * Transform is the user supplied (affine) transform - * InvScale scales coordinates back up into their native range - */ - sx = dev->valuator->axes[0].max_value - dev->valuator->axes[0].min_value; - sy = dev->valuator->axes[1].max_value - dev->valuator->axes[1].min_value; - - /* invscale */ - pixman_f_transform_init_scale(&scale, sx, sy); - scale.m[0][2] = dev->valuator->axes[0].min_value; - scale.m[1][2] = dev->valuator->axes[1].min_value; - - /* transform */ - for (y=0; y<3; y++) - for (x=0; x<3; x++) - dev->transform.m[y][x] = *transform++; - - pixman_f_transform_multiply(&dev->transform, &scale, &dev->transform); - - /* scale */ - pixman_f_transform_init_scale(&scale, 1.0 / sx, 1.0 / sy); - scale.m[0][2] = -dev->valuator->axes[0].min_value / sx; - scale.m[1][2] = -dev->valuator->axes[1].min_value / sy; - - pixman_f_transform_multiply(&dev->transform, &dev->transform, &scale); -} - -/** - * DIX property handler. - */ -static int -DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop, - BOOL checkonly) -{ - if (property == XIGetKnownProperty(XI_PROP_ENABLED)) - { - if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1) - return BadValue; - - /* Don't allow disabling of VCP/VCK */ - if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) && - !(*(CARD8*)prop->data)) - return BadAccess; - - if (!checkonly) - { - if ((*((CARD8*)prop->data)) && !dev->enabled) - EnableDevice(dev, TRUE); - else if (!(*((CARD8*)prop->data)) && dev->enabled) - DisableDevice(dev, TRUE); - } - } else if (property == XIGetKnownProperty(XI_PROP_TRANSFORM)) - { - float *f = (float*)prop->data; - int i; - - if (prop->format != 32 || prop->size != 9 || - prop->type != XIGetKnownProperty(XATOM_FLOAT)) - return BadValue; - - for (i=0; i<9; i++) - if (!isfinite(f[i])) - return BadValue; - - if (!checkonly) - DeviceSetTransform(dev, f); - } - - return Success; -} - -/* Pair the keyboard to the pointer device. Keyboard events will follow the - * pointer sprite. Only applicable for master devices. - * If the client is set, the request to pair comes from some client. In this - * case, we need to check for access. If the client is NULL, it's from an - * internal automatic pairing, we must always permit this. - */ -static int -PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd) -{ - if (!ptr) - return BadDevice; - - /* Don't allow pairing for slave devices */ - if (!IsMaster(ptr) || !IsMaster(kbd)) - return BadDevice; - - if (ptr->spriteInfo->paired) - return BadDevice; - - if (kbd->spriteInfo->spriteOwner) - { - free(kbd->spriteInfo->sprite); - kbd->spriteInfo->sprite = NULL; - kbd->spriteInfo->spriteOwner = FALSE; - } - - kbd->spriteInfo->sprite = ptr->spriteInfo->sprite; - kbd->spriteInfo->paired = ptr; - ptr->spriteInfo->paired = kbd; - return Success; -} - - -/** - * Find and return the next unpaired MD pointer device. - */ -static DeviceIntPtr -NextFreePointerDevice(void) -{ - DeviceIntPtr dev; - for (dev = inputInfo.devices; dev; dev = dev->next) - if (IsMaster(dev) && - dev->spriteInfo->spriteOwner && - !dev->spriteInfo->paired) - return dev; - return NULL; -} - -/** - * Create a new input device and init it to sane values. The device is added - * to the server's off_devices list. - * - * @param deviceProc Callback for device control function (switch dev on/off). - * @return The newly created device. - */ -DeviceIntPtr -AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart) -{ - DeviceIntPtr dev, *prev; /* not a typo */ - DeviceIntPtr devtmp; - int devid; - char devind[MAXDEVICES]; - BOOL enabled; - float transform[9]; - - /* Find next available id, 0 and 1 are reserved */ - memset(devind, 0, sizeof(char)*MAXDEVICES); - for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next) - devind[devtmp->id]++; - for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next) - devind[devtmp->id]++; - for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++) - ; - - if (devid >= MAXDEVICES) - return (DeviceIntPtr)NULL; - dev = _dixAllocateObjectWithPrivates(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), - sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), - offsetof(DeviceIntRec, devPrivates), PRIVATE_DEVICE); - if (!dev) - return (DeviceIntPtr)NULL; - dev->id = devid; - dev->public.processInputProc = ProcessOtherEvent; - dev->public.realInputProc = ProcessOtherEvent; - dev->public.enqueueInputProc = EnqueueEvent; - dev->deviceProc = deviceProc; - dev->startup = autoStart; - - /* device grab defaults */ - dev->deviceGrab.grabTime = currentTime; - dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab; - dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; - - XkbSetExtension(dev, ProcessKeyboardEvent); - - dev->coreEvents = TRUE; - - /* sprite defaults */ - dev->spriteInfo = (SpriteInfoPtr)&dev[1]; - - /* security creation/labeling check - */ - if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) { - free(dev); - return NULL; - } - - inputInfo.numDevices++; - - for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next) - ; - *prev = dev; - dev->next = NULL; - - enabled = FALSE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - FALSE); - XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE); - - /* unity matrix */ - memset(transform, 0, sizeof(transform)); - transform[0] = transform[4] = transform[8] = 1.0f; - - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), - XIGetKnownProperty(XATOM_FLOAT), 32, - PropModeReplace, 9, transform, FALSE); - XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), - FALSE); - - XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL); - - return dev; -} - -void -SendDevicePresenceEvent(int deviceid, int type) -{ - DeviceIntRec dummyDev; - devicePresenceNotify ev; - - memset(&dummyDev, 0, sizeof(DeviceIntRec)); - ev.type = DevicePresenceNotify; - ev.time = currentTime.milliseconds; - ev.devchange = type; - ev.deviceid = deviceid; - dummyDev.id = XIAllDevices; - SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask, - (xEvent*)&ev, 1); -} - -/** - * Enable the device through the driver, add the device to the device list. - * Switch device ON through the driver and push it onto the global device - * list. Initialize the DIX sprite or pair the device. All clients are - * notified about the device being enabled. - * - * A master pointer device needs to be enabled before a master keyboard - * device. - * - * @param The device to be enabled. - * @param sendevent True if an XI2 event should be sent. - * @return TRUE on success or FALSE otherwise. - */ -Bool -EnableDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr *prev; - int ret; - DeviceIntPtr other; - BOOL enabled; - int flags[MAXDEVICES] = {0}; - - for (prev = &inputInfo.off_devices; - *prev && (*prev != dev); - prev = &(*prev)->next) - ; - - if (!dev->spriteInfo->sprite) - { - if (IsMaster(dev)) - { - /* Sprites appear on first root window, so we can hardcode it */ - if (dev->spriteInfo->spriteOwner) - { - InitializeSprite(dev, screenInfo.screens[0]->root); - /* mode doesn't matter */ - EnterWindow(dev, screenInfo.screens[0]->root, NotifyAncestor); - } - else if ((other = NextFreePointerDevice()) == NULL) - { - ErrorF("[dix] cannot find pointer to pair with. " - "This is a bug.\n"); - return FALSE; - } else - PairDevices(NULL, other, dev); - } else - { - if (dev->coreEvents) - other = (IsPointerDevice(dev)) ? inputInfo.pointer : - inputInfo.keyboard; - else - other = NULL; /* auto-float non-core devices */ - AttachDevice(NULL, dev, other); - } - } - - if ((*prev != dev) || !dev->inited || - ((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) { - ErrorF("[dix] couldn't enable device %d\n", dev->id); - return FALSE; - } - dev->enabled = TRUE; - *prev = dev->next; - - for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next) - ; - *prev = dev; - dev->next = NULL; - - enabled = TRUE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - TRUE); - - SendDevicePresenceEvent(dev->id, DeviceEnabled); - if (sendevent) - { - flags[dev->id] |= XIDeviceEnabled; - XISendDeviceHierarchyEvent(flags); - } - - RecalculateMasterButtons(dev); - - return TRUE; -} - -/** - * Switch a device off through the driver and push it onto the off_devices - * list. A device will not send events while disabled. All clients are - * notified about the device being disabled. - * - * Master keyboard devices have to be disabled before master pointer devices - * otherwise things turn bad. - * - * @param sendevent True if an XI2 event should be sent. - * @return TRUE on success or FALSE otherwise. - */ -Bool -DisableDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr *prev, other; - BOOL enabled; - int flags[MAXDEVICES] = {0}; - - for (prev = &inputInfo.devices; - *prev && (*prev != dev); - prev = &(*prev)->next) - ; - if (*prev != dev) - return FALSE; - - /* float attached devices */ - if (IsMaster(dev)) - { - for (other = inputInfo.devices; other; other = other->next) - { - if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev) - { - AttachDevice(NULL, other, NULL); - flags[other->id] |= XISlaveDetached; - } - } - } - else - { - for (other = inputInfo.devices; other; other = other->next) - { - if (IsMaster(other) && other->lastSlave == dev) - other->lastSlave = NULL; - } - } - - if (IsMaster(dev) && dev->spriteInfo->sprite) - { - for (other = inputInfo.devices; other; other = other->next) - { - if (other->spriteInfo->paired == dev) - { - ErrorF("[dix] cannot disable device, still paired. " - "This is a bug. \n"); - return FALSE; - } - } - } - - (void)(*dev->deviceProc)(dev, DEVICE_OFF); - dev->enabled = FALSE; - - /* now that the device is disabled, we can reset the signal handler's - * last.slave */ - OsBlockSignals(); - for (other = inputInfo.devices; other; other = other->next) - { - if (other->last.slave == dev) - other->last.slave = NULL; - } - OsReleaseSignals(); - - LeaveWindow(dev); - SetFocusOut(dev); - - *prev = dev->next; - dev->next = inputInfo.off_devices; - inputInfo.off_devices = dev; - - enabled = FALSE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - TRUE); - - SendDevicePresenceEvent(dev->id, DeviceDisabled); - if (sendevent) - { - flags[dev->id] = XIDeviceDisabled; - XISendDeviceHierarchyEvent(flags); - } - - RecalculateMasterButtons(dev); - - return TRUE; -} - -/** - * Initialise a new device through the driver and tell all clients about the - * new device. - * - * Must be called before EnableDevice. - * The device will NOT send events until it is enabled! - * - * @param sendevent True if an XI2 event should be sent. - * @return Success or an error code on failure. - */ -int -ActivateDevice(DeviceIntPtr dev, BOOL sendevent) -{ - int ret = Success; - ScreenPtr pScreen = screenInfo.screens[0]; - - if (!dev || !dev->deviceProc) - return BadImplementation; - - ret = (*dev->deviceProc) (dev, DEVICE_INIT); - dev->inited = (ret == Success); - if (!dev->inited) - return ret; - - /* Initialize memory for sprites. */ - if (IsMaster(dev) && dev->spriteInfo->spriteOwner) - if (!pScreen->DeviceCursorInitialize(dev, pScreen)) - ret = BadAlloc; - - SendDevicePresenceEvent(dev->id, DeviceAdded); - if (sendevent) - { - int flags[MAXDEVICES] = {0}; - flags[dev->id] = XISlaveAdded; - XISendDeviceHierarchyEvent(flags); - } - return ret; -} - -/** - * Ring the bell. - * The actual task of ringing the bell is the job of the DDX. - */ -static void -CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something) -{ - KeybdCtrl *ctrl = arg; - - DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration); -} - -static void -CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl) -{ - return; -} - -/** - * Device control function for the Virtual Core Keyboard. - */ -int -CoreKeyboardProc(DeviceIntPtr pDev, int what) -{ - - switch (what) { - case DEVICE_INIT: - if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell, - CoreKeyboardCtl)) - { - ErrorF("Keyboard initialization failed. This could be a missing " - "or incorrect setup of xkeyboard-config.\n"); - return BadValue; - } - return Success; - - case DEVICE_ON: - case DEVICE_OFF: - return Success; - - case DEVICE_CLOSE: - return Success; - } - - return BadMatch; -} - -/** - * Device control function for the Virtual Core Pointer. - */ -int -CorePointerProc(DeviceIntPtr pDev, int what) -{ -#define NBUTTONS 10 -#define NAXES 2 - BYTE map[NBUTTONS + 1]; - int i = 0; - Atom btn_labels[NBUTTONS] = {0}; - Atom axes_labels[NAXES] = {0}; - - switch (what) { - case DEVICE_INIT: - for (i = 1; i <= NBUTTONS; i++) - map[i] = i; - - btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); - btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); - btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); - btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); - btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); - btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); - btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); - /* don't know about the rest */ - - axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); - axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); - - if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels, - (PtrCtrlProcPtr)NoopDDA, - GetMotionHistorySize(), NAXES, axes_labels)) - { - ErrorF("Could not initialize device '%s'. Out of memory.\n", - pDev->name); - return BadAlloc; /* IPDS only fails on allocs */ - } - pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2; - pDev->last.valuators[0] = pDev->valuator->axisVal[0]; - pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2; - pDev->last.valuators[1] = pDev->valuator->axisVal[1]; - break; - - case DEVICE_CLOSE: - break; - - default: - break; - } - - return Success; - -#undef NBUTTONS -#undef NAXES -} - -/** - * Initialise the two core devices, VCP and VCK (see events.c). - * Both devices are not tied to physical devices, but guarantee that there is - * always a keyboard and a pointer present and keep the protocol semantics. - * - * Note that the server MUST have two core devices at all times, even if there - * is no physical device connected. - */ -void -InitCoreDevices(void) -{ - if (AllocDevicePair(serverClient, "Virtual core", - &inputInfo.pointer, &inputInfo.keyboard, - CorePointerProc, CoreKeyboardProc, - TRUE) != Success) - FatalError("Failed to allocate core devices"); - - if (ActivateDevice(inputInfo.pointer, TRUE) != Success || - ActivateDevice(inputInfo.keyboard, TRUE) != Success) - FatalError("Failed to activate core devices."); - if (!EnableDevice(inputInfo.pointer, TRUE) || - !EnableDevice(inputInfo.keyboard, TRUE)) - FatalError("Failed to enable core devices."); - - InitXTestDevices(); -} - -/** - * Activate all switched-off devices and then enable all those devices. - * - * Will return an error if no core keyboard or core pointer is present. - * In theory this should never happen if you call InitCoreDevices() first. - * - * InitAndStartDevices needs to be called AFTER the windows are initialized. - * Devices will start sending events after InitAndStartDevices() has - * completed. - * - * @return Success or error code on failure. - */ -int -InitAndStartDevices(void) -{ - DeviceIntPtr dev, next; - - for (dev = inputInfo.off_devices; dev; dev = dev->next) { - DebugF("(dix) initialising device %d\n", dev->id); - if (!dev->inited) - ActivateDevice(dev, TRUE); - } - - /* enable real devices */ - for (dev = inputInfo.off_devices; dev; dev = next) - { - DebugF("(dix) enabling device %d\n", dev->id); - next = dev->next; - if (dev->inited && dev->startup) - EnableDevice(dev, TRUE); - } - - return Success; -} - -/** - * Free the given device class and reset the pointer to NULL. - */ -static void -FreeDeviceClass(int type, pointer *class) -{ - if (!(*class)) - return; - - switch(type) - { - case KeyClass: - { - KeyClassPtr* k = (KeyClassPtr*)class; - if ((*k)->xkbInfo) - { - XkbFreeInfo((*k)->xkbInfo); - (*k)->xkbInfo = NULL; - } - free((*k)); - break; - } - case ButtonClass: - { - ButtonClassPtr *b = (ButtonClassPtr*)class; - free((*b)->xkb_acts); - free((*b)); - break; - } - case ValuatorClass: - { - ValuatorClassPtr *v = (ValuatorClassPtr*)class; - - free((*v)->motion); - free((*v)); - break; - } - case FocusClass: - { - FocusClassPtr *f = (FocusClassPtr*)class; - free((*f)->trace); - free((*f)); - break; - } - case ProximityClass: - { - ProximityClassPtr *p = (ProximityClassPtr*)class; - free((*p)); - break; - } - } - *class = NULL; -} - -static void -FreeFeedbackClass(int type, pointer *class) -{ - if (!(*class)) - return; - - switch(type) - { - case KbdFeedbackClass: - { - KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class; - KbdFeedbackPtr k, knext; - for (k = (*kbdfeed); k; k = knext) { - knext = k->next; - if (k->xkb_sli) - XkbFreeSrvLedInfo(k->xkb_sli); - free(k); - } - break; - } - case PtrFeedbackClass: - { - PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class; - PtrFeedbackPtr p, pnext; - - for (p = (*ptrfeed); p; p = pnext) { - pnext = p->next; - free(p); - } - break; - } - case IntegerFeedbackClass: - { - IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class; - IntegerFeedbackPtr i, inext; - - for (i = (*intfeed); i; i = inext) { - inext = i->next; - free(i); - } - break; - } - case StringFeedbackClass: - { - StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class; - StringFeedbackPtr s, snext; - - for (s = (*stringfeed); s; s = snext) { - snext = s->next; - free(s->ctrl.symbols_supported); - free(s->ctrl.symbols_displayed); - free(s); - } - break; - } - case BellFeedbackClass: - { - BellFeedbackPtr *bell = (BellFeedbackPtr*)class; - BellFeedbackPtr b, bnext; - - for (b = (*bell); b; b = bnext) { - bnext = b->next; - free(b); - } - break; - } - case LedFeedbackClass: - { - LedFeedbackPtr *leds = (LedFeedbackPtr*)class; - LedFeedbackPtr l, lnext; - - for (l = (*leds); l; l = lnext) { - lnext = l->next; - if (l->xkb_sli) - XkbFreeSrvLedInfo(l->xkb_sli); - free(l); - } - break; - } - } - *class = NULL; -} - -static void -FreeAllDeviceClasses(ClassesPtr classes) -{ - if (!classes) - return; - - FreeDeviceClass(KeyClass, (pointer)&classes->key); - FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator); - FreeDeviceClass(ButtonClass, (pointer)&classes->button); - FreeDeviceClass(FocusClass, (pointer)&classes->focus); - FreeDeviceClass(ProximityClass, (pointer)&classes->proximity); - - FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed); - FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed); - FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed); - FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed); - FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell); - FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds); - -} - -/** - * Close down a device and free all resources. - * Once closed down, the driver will probably not expect you that you'll ever - * enable it again and free associated structs. If you want the device to just - * be disabled, DisableDevice(). - * Don't call this function directly, use RemoveDevice() instead. - */ -static void -CloseDevice(DeviceIntPtr dev) -{ - ScreenPtr screen = screenInfo.screens[0]; - ClassesPtr classes; - int j; - - if (!dev) - return; - - XIDeleteAllDeviceProperties(dev); - - if (dev->inited) - (void)(*dev->deviceProc)(dev, DEVICE_CLOSE); - - /* free sprite memory */ - if (IsMaster(dev) && dev->spriteInfo->sprite) - screen->DeviceCursorCleanup(dev, screen); - - /* free acceleration info */ - if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc) - dev->valuator->accelScheme.AccelCleanupProc(dev); - - while (dev->xkb_interest) - XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource); - - free(dev->name); - - classes = (ClassesPtr)&dev->key; - FreeAllDeviceClasses(classes); - - if (IsMaster(dev)) - { - classes = dev->unused_classes; - FreeAllDeviceClasses(classes); - free(classes); - } - - if (DevHasCursor(dev) && dev->spriteInfo->sprite) { - if (dev->spriteInfo->sprite->current) - FreeCursor(dev->spriteInfo->sprite->current, None); - free(dev->spriteInfo->sprite->spriteTrace); - free(dev->spriteInfo->sprite); - } - - /* a client may have the device set as client pointer */ - for (j = 0; j < currentMaxClients; j++) - { - if (clients[j] && clients[j]->clientPtr == dev) - { - clients[j]->clientPtr = NULL; - clients[j]->clientPtr = PickPointer(clients[j]); - } - } - - free(dev->deviceGrab.sync.event); - free(dev->config_info); /* Allocated in xf86ActivateDevice. */ - dev->config_info = NULL; - dixFreeObjectWithPrivates(dev, PRIVATE_DEVICE); -} - -/** - * Shut down all devices of one list and free all resources. - */ -static -void -CloseDeviceList(DeviceIntPtr *listHead) -{ - /* Used to mark devices that we tried to free */ - Bool freedIds[MAXDEVICES]; - DeviceIntPtr dev; - int i; - - if (listHead == NULL) - return; - - for (i = 0; i < MAXDEVICES; i++) - freedIds[i] = FALSE; - - dev = *listHead; - while (dev != NULL) - { - freedIds[dev->id] = TRUE; - DeleteInputDeviceRequest(dev); - - dev = *listHead; - while (dev != NULL && freedIds[dev->id]) - dev = dev->next; - } -} - -/** - * Shut down all devices, free all resources, etc. - * Only useful if you're shutting down the server! - */ -void -CloseDownDevices(void) -{ - DeviceIntPtr dev; - - /* Float all SDs before closing them. Note that at this point resources - * (e.g. cursors) have been freed already, so we can't just call - * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master - * to NULL and pretend nothing happened. - */ - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (!IsMaster(dev) && !IsFloating(dev)) - dev->master = NULL; - } - - CloseDeviceList(&inputInfo.devices); - CloseDeviceList(&inputInfo.off_devices); - - CloseDevice(inputInfo.pointer); - CloseDevice(inputInfo.keyboard); - - inputInfo.devices = NULL; - inputInfo.off_devices = NULL; - inputInfo.keyboard = NULL; - inputInfo.pointer = NULL; - XkbDeleteRulesDflts(); -} - -/** - * Remove the cursor sprite for all devices. This needs to be done before any - * resources are freed or any device is deleted. - */ -void -UndisplayDevices(void) -{ - DeviceIntPtr dev; - ScreenPtr screen = screenInfo.screens[0]; - - for (dev = inputInfo.devices; dev; dev = dev->next) - screen->DisplayCursor(dev, screen, NullCursor); -} - -/** - * Remove a device from the device list, closes it and thus frees all - * resources. - * Removes both enabled and disabled devices and notifies all devices about - * the removal of the device. - * - * No PresenceNotify is sent for device that the client never saw. This can - * happen if a malloc fails during the addition of master devices. If - * dev->init is FALSE it means the client never received a DeviceAdded event, - * so let's not send a DeviceRemoved event either. - * - * @param sendevent True if an XI2 event should be sent. - */ -int -RemoveDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr prev,tmp,next; - int ret = BadMatch; - ScreenPtr screen = screenInfo.screens[0]; - int deviceid; - int initialized; - int flags[MAXDEVICES] = {0}; - - DebugF("(dix) removing device %d\n", dev->id); - - if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer) - return BadImplementation; - - initialized = dev->inited; - deviceid = dev->id; - - if (initialized) - { - if (DevHasCursor(dev)) - screen->DisplayCursor(dev, screen, NullCursor); - - DisableDevice(dev, sendevent); - flags[dev->id] = XIDeviceDisabled; - } - - prev = NULL; - for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) { - next = tmp->next; - if (tmp == dev) { - - if (prev==NULL) - inputInfo.devices = next; - else - prev->next = next; - - flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; - CloseDevice(tmp); - ret = Success; - } - } - - prev = NULL; - for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) { - next = tmp->next; - if (tmp == dev) { - flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; - CloseDevice(tmp); - - if (prev == NULL) - inputInfo.off_devices = next; - else - prev->next = next; - - ret = Success; - } - } - - if (ret == Success && initialized) { - inputInfo.numDevices--; - SendDevicePresenceEvent(deviceid, DeviceRemoved); - if (sendevent) - XISendDeviceHierarchyEvent(flags); - } - - return ret; -} - -int -NumMotionEvents(void) -{ - /* only called to fill data in initial connection reply. - * VCP is ok here, it is the only fixed device we have. */ - return inputInfo.pointer->valuator->numMotionEvents; -} - -int -dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode) -{ - DeviceIntPtr dev; - int rc; - *pDev = NULL; - - for (dev=inputInfo.devices; dev; dev=dev->next) { - if (dev->id == id) - goto found; - } - for (dev=inputInfo.off_devices; dev; dev=dev->next) { - if (dev->id == id) - goto found; - } - return BadDevice; - -found: - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc == Success) - *pDev = dev; - return rc; -} - -void -QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode) -{ - if (inputInfo.keyboard) { - *minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code; - *maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code; - } -} - -/* Notably, this function does not expand the destination's keycode range, or - * notify clients. */ -Bool -SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src) -{ - int i, j; - KeySym *tmp; - int rowDif = src->minKeyCode - dst->minKeyCode; - - /* if keysym map size changes, grow map first */ - if (src->mapWidth < dst->mapWidth) { - for (i = src->minKeyCode; i <= src->maxKeyCode; i++) { -#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c)) -#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c)) - for (j = 0; j < src->mapWidth; j++) - dst->map[DI(i, j)] = src->map[SI(i, j)]; - for (j = src->mapWidth; j < dst->mapWidth; j++) - dst->map[DI(i, j)] = NoSymbol; -#undef SI -#undef DI - } - return TRUE; - } - else if (src->mapWidth > dst->mapWidth) { - i = sizeof(KeySym) * src->mapWidth * - (dst->maxKeyCode - dst->minKeyCode + 1); - tmp = calloc(sizeof(KeySym), i); - if (!tmp) - return FALSE; - - if (dst->map) { - for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++) - memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth], - dst->mapWidth * sizeof(KeySym)); - free(dst->map); - } - dst->mapWidth = src->mapWidth; - dst->map = tmp; - } - else if (!dst->map) { - i = sizeof(KeySym) * src->mapWidth * - (dst->maxKeyCode - dst->minKeyCode + 1); - tmp = calloc(sizeof(KeySym), i); - if (!tmp) - return FALSE; - - dst->map = tmp; - dst->mapWidth = src->mapWidth; - } - - memmove(&dst->map[rowDif * dst->mapWidth], src->map, - (src->maxKeyCode - src->minKeyCode + 1) * - dst->mapWidth * sizeof(KeySym)); - - return TRUE; -} - -Bool -InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels, - CARD8 *map) -{ - ButtonClassPtr butc; - int i; - - butc = calloc(1, sizeof(ButtonClassRec)); - if (!butc) - return FALSE; - butc->numButtons = numButtons; - butc->sourceid = dev->id; - for (i = 1; i <= numButtons; i++) - butc->map[i] = map[i]; - for (i = numButtons + 1; i < MAP_LENGTH; i++) - butc->map[i] = i; - memcpy(butc->labels, labels, numButtons * sizeof(Atom)); - dev->button = butc; - return TRUE; -} - -Bool -InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels, - int numMotionEvents, int mode) -{ - int i; - ValuatorClassPtr valc; - union align_u { ValuatorClassRec valc; double d; } *align; - - if (!dev) - return FALSE; - - if (numAxes > MAX_VALUATORS) - { - LogMessage(X_WARNING, - "Device '%s' has %d axes, only using first %d.\n", - dev->name, numAxes, MAX_VALUATORS); - numAxes = MAX_VALUATORS; - } - - align = (union align_u *) calloc(1, sizeof(union align_u) + - numAxes * sizeof(double) + - numAxes * sizeof(AxisInfo)); - if (!align) - return FALSE; - - valc = &align->valc; - valc->sourceid = dev->id; - valc->motion = NULL; - valc->first_motion = 0; - valc->last_motion = 0; - - valc->numMotionEvents = numMotionEvents; - valc->motionHintWindow = NullWindow; - valc->numAxes = numAxes; - valc->axisVal = (double *)(align + 1); - valc->axes = (AxisInfoPtr)(valc->axisVal + numAxes); - - if (mode & OutOfProximity) - InitProximityClassDeviceStruct(dev); - - dev->valuator = valc; - - AllocateMotionHistory(dev); - - for (i=0; iaxisVal[i]=0; - } - - dev->last.numValuators = numAxes; - - if (IsMaster(dev) || /* do not accelerate master or xtest devices */ - IsXTestDevice(dev, NULL)) - InitPointerAccelerationScheme(dev, PtrAccelNoOp); - else - InitPointerAccelerationScheme(dev, PtrAccelDefault); - return TRUE; -} - -/* global list of acceleration schemes */ -ValuatorAccelerationRec pointerAccelerationScheme[] = { - {PtrAccelNoOp, NULL, NULL, NULL, NULL}, - {PtrAccelPredictable, acceleratePointerPredictable, NULL, - InitPredictableAccelerationScheme, AccelerationDefaultCleanup}, - {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL}, - {-1, NULL, NULL, NULL, NULL} /* terminator */ -}; - -/** - * install an acceleration scheme. returns TRUE on success, and should not - * change anything if unsuccessful. - */ -Bool -InitPointerAccelerationScheme(DeviceIntPtr dev, - int scheme) -{ - int x, i = -1; - ValuatorClassPtr val; - - val = dev->valuator; - - if (!val) - return FALSE; - - if (IsMaster(dev) && scheme != PtrAccelNoOp) - return FALSE; - - for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) { - if(pointerAccelerationScheme[x].number == scheme){ - i = x; - break; - } - } - - if (-1 == i) - return FALSE; - - if (val->accelScheme.AccelCleanupProc) - val->accelScheme.AccelCleanupProc(dev); - - if (pointerAccelerationScheme[i].AccelInitProc) { - if (!pointerAccelerationScheme[i].AccelInitProc(dev, - &pointerAccelerationScheme[i])) { - return FALSE; - } - } else { - val->accelScheme = pointerAccelerationScheme[i]; - } - return TRUE; -} - -Bool -InitAbsoluteClassDeviceStruct(DeviceIntPtr dev) -{ - AbsoluteClassPtr abs; - - abs = malloc(sizeof(AbsoluteClassRec)); - if (!abs) - return FALSE; - - /* we don't do anything sensible with these, but should */ - abs->min_x = NO_AXIS_LIMITS; - abs->min_y = NO_AXIS_LIMITS; - abs->max_x = NO_AXIS_LIMITS; - abs->max_y = NO_AXIS_LIMITS; - abs->flip_x = 0; - abs->flip_y = 0; - abs->rotation = 0; - abs->button_threshold = 0; - - abs->offset_x = 0; - abs->offset_y = 0; - abs->width = NO_AXIS_LIMITS; - abs->height = NO_AXIS_LIMITS; - abs->following = 0; - abs->screen = 0; - - abs->sourceid = dev->id; - - dev->absolute = abs; - - return TRUE; -} - -Bool -InitFocusClassDeviceStruct(DeviceIntPtr dev) -{ - FocusClassPtr focc; - - focc = malloc(sizeof(FocusClassRec)); - if (!focc) - return FALSE; - focc->win = PointerRootWin; - focc->revert = None; - focc->time = currentTime; - focc->trace = (WindowPtr *)NULL; - focc->traceSize = 0; - focc->traceGood = 0; - focc->sourceid = dev->id; - dev->focus = focc; - return TRUE; -} - -Bool -InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc) -{ - PtrFeedbackPtr feedc; - - feedc = malloc(sizeof(PtrFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultPointerControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->ptrfeed) ) - feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1; - dev->ptrfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - - -static LedCtrl defaultLedControl = { - DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0}; - -static BellCtrl defaultBellControl = { - DEFAULT_BELL, - DEFAULT_BELL_PITCH, - DEFAULT_BELL_DURATION, - 0}; - -static IntegerCtrl defaultIntegerControl = { - DEFAULT_INT_RESOLUTION, - DEFAULT_INT_MIN_VALUE, - DEFAULT_INT_MAX_VALUE, - DEFAULT_INT_DISPLAYED, - 0}; - -Bool -InitStringFeedbackClassDeviceStruct ( - DeviceIntPtr dev, StringCtrlProcPtr controlProc, - int max_symbols, int num_symbols_supported, KeySym *symbols) -{ - int i; - StringFeedbackPtr feedc; - - feedc = malloc(sizeof(StringFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl.num_symbols_supported = num_symbols_supported; - feedc->ctrl.num_symbols_displayed = 0; - feedc->ctrl.max_symbols = max_symbols; - feedc->ctrl.symbols_supported = malloc(sizeof (KeySym) * num_symbols_supported); - feedc->ctrl.symbols_displayed = malloc(sizeof (KeySym) * max_symbols); - if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed) - { - free(feedc->ctrl.symbols_supported); - free(feedc->ctrl.symbols_displayed); - free(feedc); - return FALSE; - } - for (i=0; ictrl.symbols_supported+i) = *symbols++; - for (i=0; ictrl.symbols_displayed+i) = (KeySym) 0; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->stringfeed) ) - feedc->ctrl.id = dev->stringfeed->ctrl.id + 1; - dev->stringfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc, - BellCtrlProcPtr controlProc) -{ - BellFeedbackPtr feedc; - - feedc = malloc(sizeof(BellFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->BellProc = bellProc; - feedc->ctrl = defaultBellControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->bell) ) - feedc->ctrl.id = dev->bell->ctrl.id + 1; - dev->bell = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc) -{ - LedFeedbackPtr feedc; - - feedc = malloc(sizeof(LedFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultLedControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->leds) ) - feedc->ctrl.id = dev->leds->ctrl.id + 1; - feedc->xkb_sli= NULL; - dev->leds = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc) -{ - IntegerFeedbackPtr feedc; - - feedc = malloc(sizeof(IntegerFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultIntegerControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->intfeed) ) - feedc->ctrl.id = dev->intfeed->ctrl.id + 1; - dev->intfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels, - PtrCtrlProcPtr controlProc, int numMotionEvents, - int numAxes, Atom *axes_labels) -{ - DeviceIntPtr dev = (DeviceIntPtr)device; - - return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) && - InitValuatorClassDeviceStruct(dev, numAxes, axes_labels, - numMotionEvents, Relative) && - InitPtrFeedbackClassDeviceStruct(dev, controlProc)); -} - -/* - * Check if the given buffer contains elements between low (inclusive) and - * high (inclusive) only. - * - * @return TRUE if the device map is invalid, FALSE otherwise. - */ -Bool -BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval) -{ - int i; - - for (i = 0; i < length; i++) - if (buff[i]) /* only check non-zero elements */ - { - if ((low > buff[i]) || (high < buff[i])) - { - *errval = buff[i]; - return TRUE; - } - } - return FALSE; -} - -int -ProcSetModifierMapping(ClientPtr client) -{ - xSetModifierMappingReply rep; - int rc; - REQUEST(xSetModifierMappingReq); - REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq); - - if (client->req_len != ((stuff->numKeyPerModifier << 1) + - bytes_to_int32(sizeof(xSetModifierMappingReq)))) - return BadLength; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1], - stuff->numKeyPerModifier); - if (rc == MappingFailed || rc == -1) - return BadValue; - if (rc != Success && rc != MappingSuccess && rc != MappingFailed && - rc != MappingBusy) - return rc; - - rep.success = rc; - - WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep); - return Success; -} - -int -ProcGetModifierMapping(ClientPtr client) -{ - xGetModifierMappingReply rep; - int max_keys_per_mod = 0; - KeyCode *modkeymap = NULL; - REQUEST_SIZE_MATCH(xReq); - - generate_modkeymap(client, PickKeyboard(client), &modkeymap, - &max_keys_per_mod); - - memset(&rep, 0, sizeof(xGetModifierMappingReply)); - rep.type = X_Reply; - rep.numKeyPerModifier = max_keys_per_mod; - rep.sequenceNumber = client->sequence; - /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */ - rep.length = max_keys_per_mod << 1; - - WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep); - (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap); - - free(modkeymap); - - return Success; -} - -int -ProcChangeKeyboardMapping(ClientPtr client) -{ - REQUEST(xChangeKeyboardMappingReq); - unsigned len; - KeySymsRec keysyms; - DeviceIntPtr pDev, tmp; - int rc; - REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq); - - len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq)); - if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode)) - return BadLength; - - pDev = PickKeyboard(client); - - if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) || - (stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) { - client->errorValue = stuff->firstKeyCode; - return BadValue; - - } - if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) > - pDev->key->xkbInfo->desc->max_key_code) || - (stuff->keySymsPerKeyCode == 0)) { - client->errorValue = stuff->keySymsPerKeyCode; - return BadValue; - } - - keysyms.minKeyCode = stuff->firstKeyCode; - keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1; - keysyms.mapWidth = stuff->keySymsPerKeyCode; - keysyms.map = (KeySym *) &stuff[1]; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (rc != Success) - return rc; - - XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode, - stuff->keyCodes, NULL, client); - - for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { - if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev) - continue; - if (!tmp->key) - continue; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (rc != Success) - continue; - - XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode, - stuff->keyCodes, NULL, client); - } - - return Success; -} - -int -ProcSetPointerMapping(ClientPtr client) -{ - BYTE *map; - int ret; - int i, j; - DeviceIntPtr ptr = PickPointer(client); - xSetPointerMappingReply rep; - REQUEST(xSetPointerMappingReq); - REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq); - - if (client->req_len != - bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts)) - return BadLength; - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.success = MappingSuccess; - map = (BYTE *)&stuff[1]; - - /* So we're bounded here by the number of core buttons. This check - * probably wants disabling through XFixes. */ - /* MPX: With ClientPointer, we can return the right number of buttons. - * Let's just hope nobody changed ClientPointer between GetPointerMapping - * and SetPointerMapping - */ - if (stuff->nElts != ptr->button->numButtons) { - client->errorValue = stuff->nElts; - return BadValue; - } - - /* Core protocol specs don't allow for duplicate mappings; this check - * almost certainly wants disabling through XFixes too. */ - for (i = 0; i < stuff->nElts; i++) { - for (j = i + 1; j < stuff->nElts; j++) { - if (map[i] && map[i] == map[j]) { - client->errorValue = map[i]; - return BadValue; - } - } - } - - ret = ApplyPointerMapping(ptr, map, stuff->nElts, client); - if (ret == MappingBusy) - rep.success = ret; - else if (ret == -1) - return BadValue; - else if (ret != Success) - return ret; - - WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep); - return Success; -} - -int -ProcGetKeyboardMapping(ClientPtr client) -{ - xGetKeyboardMappingReply rep; - DeviceIntPtr kbd = PickKeyboard(client); - XkbDescPtr xkb; - KeySymsPtr syms; - int rc; - REQUEST(xGetKeyboardMappingReq); - REQUEST_SIZE_MATCH(xGetKeyboardMappingReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); - if (rc != Success) - return rc; - - xkb = kbd->key->xkbInfo->desc; - - if ((stuff->firstKeyCode < xkb->min_key_code) || - (stuff->firstKeyCode > xkb->max_key_code)) { - client->errorValue = stuff->firstKeyCode; - return BadValue; - } - if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) { - client->errorValue = stuff->count; - return BadValue; - } - - syms = XkbGetCoreMap(kbd); - if (!syms) - return BadAlloc; - - memset(&rep, 0, sizeof(xGetKeyboardMappingReply)); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.keySymsPerKeyCode = syms->mapWidth; - /* length is a count of 4 byte quantities and KeySyms are 4 bytes */ - rep.length = syms->mapWidth * stuff->count; - WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep); - client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; - WriteSwappedDataToClient(client, - syms->mapWidth * stuff->count * sizeof(KeySym), - &syms->map[syms->mapWidth * (stuff->firstKeyCode - - syms->minKeyCode)]); - free(syms->map); - free(syms); - - return Success; -} - -int -ProcGetPointerMapping(ClientPtr client) -{ - xGetPointerMappingReply rep; - /* Apps may get different values each time they call GetPointerMapping as - * the ClientPointer could change. */ - DeviceIntPtr ptr = PickPointer(client); - ButtonClassPtr butc = ptr->button; - int rc; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.nElts = (butc) ? butc->numButtons : 0; - rep.length = ((unsigned)rep.nElts + (4-1))/4; - WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep); - if (butc) - WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]); - return Success; -} - -void -NoteLedState(DeviceIntPtr keybd, int led, Bool on) -{ - KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl; - if (on) - ctrl->leds |= ((Leds)1 << (led - 1)); - else - ctrl->leds &= ~((Leds)1 << (led - 1)); -} - -int -Ones(unsigned long mask) /* HACKMEM 169 */ -{ - unsigned long y; - - y = (mask >> 1) &033333333333; - y = mask - y - ((y >>1) & 033333333333); - return (((y + (y >> 3)) & 030707070707) % 077); -} - -static int -DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist, - BITS32 vmask) -{ -#define DO_ALL (-1) - KeybdCtrl ctrl; - int t; - int led = DO_ALL; - int key = DO_ALL; - BITS32 index2; - int mask = vmask, i; - XkbEventCauseRec cause; - - ctrl = keybd->kbdfeed->ctrl; - while (vmask) { - index2 = (BITS32) lowbit (vmask); - vmask &= ~index2; - switch (index2) { - case KBKeyClickPercent: - t = (INT8)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.click; - } - else if (t < 0 || t > 100) { - client->errorValue = t; - return BadValue; - } - ctrl.click = t; - break; - case KBBellPercent: - t = (INT8)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.bell; - } - else if (t < 0 || t > 100) { - client->errorValue = t; - return BadValue; - } - ctrl.bell = t; - break; - case KBBellPitch: - t = (INT16)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.bell_pitch; - } - else if (t < 0) { - client->errorValue = t; - return BadValue; - } - ctrl.bell_pitch = t; - break; - case KBBellDuration: - t = (INT16)*vlist; - vlist++; - if (t == -1) - t = defaultKeyboardControl.bell_duration; - else if (t < 0) { - client->errorValue = t; - return BadValue; - } - ctrl.bell_duration = t; - break; - case KBLed: - led = (CARD8)*vlist; - vlist++; - if (led < 1 || led > 32) { - client->errorValue = led; - return BadValue; - } - if (!(mask & KBLedMode)) - return BadMatch; - break; - case KBLedMode: - t = (CARD8)*vlist; - vlist++; - if (t == LedModeOff) { - if (led == DO_ALL) - ctrl.leds = 0x0; - else - ctrl.leds &= ~(((Leds)(1)) << (led - 1)); - } - else if (t == LedModeOn) { - if (led == DO_ALL) - ctrl.leds = ~0L; - else - ctrl.leds |= (((Leds)(1)) << (led - 1)); - } - else { - client->errorValue = t; - return BadValue; - } - - XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client); - XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))), - ctrl.leds, &cause); - ctrl.leds = keybd->kbdfeed->ctrl.leds; - - break; - case KBKey: - key = (KeyCode)*vlist; - vlist++; - if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code || - (KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) { - client->errorValue = key; - return BadValue; - } - if (!(mask & KBAutoRepeatMode)) - return BadMatch; - break; - case KBAutoRepeatMode: - i = (key >> 3); - mask = (1 << (key & 7)); - t = (CARD8)*vlist; - vlist++; - if (key != DO_ALL) - XkbDisableComputedAutoRepeats(keybd,key); - if (t == AutoRepeatModeOff) { - if (key == DO_ALL) - ctrl.autoRepeat = FALSE; - else - ctrl.autoRepeats[i] &= ~mask; - } - else if (t == AutoRepeatModeOn) { - if (key == DO_ALL) - ctrl.autoRepeat = TRUE; - else - ctrl.autoRepeats[i] |= mask; - } - else if (t == AutoRepeatModeDefault) { - if (key == DO_ALL) - ctrl.autoRepeat = defaultKeyboardControl.autoRepeat; - else - ctrl.autoRepeats[i] = - (ctrl.autoRepeats[i] & ~mask) | - (defaultKeyboardControl.autoRepeats[i] & mask); - } - else { - client->errorValue = t; - return BadValue; - } - break; - default: - client->errorValue = mask; - return BadValue; - } - } - keybd->kbdfeed->ctrl = ctrl; - - /* The XKB RepeatKeys control and core protocol global autorepeat */ - /* value are linked */ - XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat); - - return Success; - -#undef DO_ALL -} - -/** - * Changes kbd control on the ClientPointer and all attached SDs. - */ -int -ProcChangeKeyboardControl (ClientPtr client) -{ - XID *vlist; - BITS32 vmask; - int ret = Success, error = Success; - DeviceIntPtr pDev = NULL, keyboard; - REQUEST(xChangeKeyboardControlReq); - - REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq); - - vmask = stuff->mask; - vlist = (XID *)&stuff[1]; - - if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask)) - return BadLength; - - keyboard = PickKeyboard(client); - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { - if ((pDev == keyboard || - (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) - && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { - ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (ret != Success) - return ret; - } - } - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { - if ((pDev == keyboard || - (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) - && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { - ret = DoChangeKeyboardControl(client, pDev, vlist, vmask); - if (ret != Success) - error = ret; - } - } - - return error; -} - -int -ProcGetKeyboardControl (ClientPtr client) -{ - int rc, i; - DeviceIntPtr kbd = PickKeyboard(client); - KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl; - xGetKeyboardControlReply rep; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 5; - rep.sequenceNumber = client->sequence; - rep.globalAutoRepeat = ctrl->autoRepeat; - rep.keyClickPercent = ctrl->click; - rep.bellPercent = ctrl->bell; - rep.bellPitch = ctrl->bell_pitch; - rep.bellDuration = ctrl->bell_duration; - rep.ledMask = ctrl->leds; - for (i = 0; i < 32; i++) - rep.map[i] = ctrl->autoRepeats[i]; - WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep); - return Success; -} - -int -ProcBell(ClientPtr client) -{ - DeviceIntPtr dev, keybd = PickKeyboard(client); - int base = keybd->kbdfeed->ctrl.bell; - int newpercent; - int rc; - REQUEST(xBellReq); - REQUEST_SIZE_MATCH(xBellReq); - - if (stuff->percent < -100 || stuff->percent > 100) { - client->errorValue = stuff->percent; - return BadValue; - } - - newpercent = (base * stuff->percent) / 100; - if (stuff->percent < 0) - newpercent = base + newpercent; - else - newpercent = base - newpercent + stuff->percent; - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == keybd || - (!IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD) == keybd)) && - dev->kbdfeed && dev->kbdfeed->BellProc) { - - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess); - if (rc != Success) - return rc; - XkbHandleBell(FALSE, FALSE, dev, newpercent, - &dev->kbdfeed->ctrl, 0, None, NULL, client); - } - } - - return Success; -} - -int -ProcChangePointerControl(ClientPtr client) -{ - DeviceIntPtr dev, mouse = PickPointer(client); - PtrCtrl ctrl; /* might get BadValue part way through */ - int rc; - REQUEST(xChangePointerControlReq); - REQUEST_SIZE_MATCH(xChangePointerControlReq); - - ctrl = mouse->ptrfeed->ctrl; - if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) { - client->errorValue = stuff->doAccel; - return BadValue; - } - if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) { - client->errorValue = stuff->doThresh; - return BadValue; - } - if (stuff->doAccel) { - if (stuff->accelNum == -1) { - ctrl.num = defaultPointerControl.num; - } - else if (stuff->accelNum < 0) { - client->errorValue = stuff->accelNum; - return BadValue; - } - else { - ctrl.num = stuff->accelNum; - } - - if (stuff->accelDenum == -1) { - ctrl.den = defaultPointerControl.den; - } - else if (stuff->accelDenum <= 0) { - client->errorValue = stuff->accelDenum; - return BadValue; - } - else { - ctrl.den = stuff->accelDenum; - } - } - if (stuff->doThresh) { - if (stuff->threshold == -1) { - ctrl.threshold = defaultPointerControl.threshold; - } - else if (stuff->threshold < 0) { - client->errorValue = stuff->threshold; - return BadValue; - } - else { - ctrl.threshold = stuff->threshold; - } - } - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == mouse || - (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && - dev->ptrfeed) { - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); - if (rc != Success) - return rc; - } - } - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == mouse || - (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && - dev->ptrfeed) { - dev->ptrfeed->ctrl = ctrl; - } - } - - return Success; -} - -int -ProcGetPointerControl(ClientPtr client) -{ - DeviceIntPtr ptr = PickPointer(client); - PtrCtrl *ctrl = &ptr->ptrfeed->ctrl; - xGetPointerControlReply rep; - int rc; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.threshold = ctrl->threshold; - rep.accelNumerator = ctrl->num; - rep.accelDenominator = ctrl->den; - WriteReplyToClient(client, sizeof(xGenericReply), &rep); - return Success; -} - -void -MaybeStopHint(DeviceIntPtr dev, ClientPtr client) -{ - GrabPtr grab = dev->deviceGrab.grab; - - if ((grab && SameClient(grab, client) && - ((grab->eventMask & PointerMotionHintMask) || - (grab->ownerEvents && - (EventMaskForClient(dev->valuator->motionHintWindow, client) & - PointerMotionHintMask)))) || - (!grab && - (EventMaskForClient(dev->valuator->motionHintWindow, client) & - PointerMotionHintMask))) - dev->valuator->motionHintWindow = NullWindow; -} - -int -ProcGetMotionEvents(ClientPtr client) -{ - WindowPtr pWin; - xTimecoord * coords = (xTimecoord *) NULL; - xGetMotionEventsReply rep; - int i, count, xmin, xmax, ymin, ymax, rc; - unsigned long nEvents; - DeviceIntPtr mouse = PickPointer(client); - TimeStamp start, stop; - REQUEST(xGetMotionEventsReq); - REQUEST_SIZE_MATCH(xGetMotionEventsReq); - - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); - if (rc != Success) - return rc; - - if (mouse->valuator->motionHintWindow) - MaybeStopHint(mouse, client); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - nEvents = 0; - start = ClientTimeToServerTime(stuff->start); - stop = ClientTimeToServerTime(stuff->stop); - if ((CompareTimeStamps(start, stop) != LATER) && - (CompareTimeStamps(start, currentTime) != LATER) && - mouse->valuator->numMotionEvents) - { - if (CompareTimeStamps(stop, currentTime) == LATER) - stop = currentTime; - count = GetMotionHistory(mouse, &coords, start.milliseconds, - stop.milliseconds, pWin->drawable.pScreen, - TRUE); - xmin = pWin->drawable.x - wBorderWidth (pWin); - xmax = pWin->drawable.x + (int)pWin->drawable.width + - wBorderWidth (pWin); - ymin = pWin->drawable.y - wBorderWidth (pWin); - ymax = pWin->drawable.y + (int)pWin->drawable.height + - wBorderWidth (pWin); - for (i = 0; i < count; i++) - if ((xmin <= coords[i].x) && (coords[i].x < xmax) && - (ymin <= coords[i].y) && (coords[i].y < ymax)) - { - coords[nEvents].time = coords[i].time; - coords[nEvents].x = coords[i].x - pWin->drawable.x; - coords[nEvents].y = coords[i].y - pWin->drawable.y; - nEvents++; - } - } - rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord)); - rep.nEvents = nEvents; - WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep); - if (nEvents) - { - client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite; - WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord), - (char *)coords); - } - free(coords); - return Success; -} - -int -ProcQueryKeymap(ClientPtr client) -{ - xQueryKeymapReply rep; - int rc, i; - DeviceIntPtr keybd = PickKeyboard(client); - CARD8 *down = keybd->key->down; - - REQUEST_SIZE_MATCH(xReq); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 2; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess); - if (rc != Success && rc != BadAccess) - return rc; - - for (i = 0; i<32; i++) - rep.map[i] = down[i]; - - if (rc == BadAccess) - memset(rep.map, 0, 32); - - WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep); - - return Success; -} - - -/** - * Recalculate the number of buttons for the master device. The number of - * buttons on the master device is equal to the number of buttons on the - * slave device with the highest number of buttons. - */ -static void -RecalculateMasterButtons(DeviceIntPtr slave) -{ - DeviceIntPtr dev, master; - int maxbuttons = 0; - - if (!slave->button || IsMaster(slave)) - return; - - master = GetMaster(slave, MASTER_POINTER); - if (!master) - return; - - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (IsMaster(dev) || - GetMaster(dev, MASTER_ATTACHED) != master || - !dev->button) - continue; - - maxbuttons = max(maxbuttons, dev->button->numButtons); - } - - if (master->button && master->button->numButtons != maxbuttons) - { - int i; - DeviceChangedEvent event; - - memset(&event, 0, sizeof(event)); - - master->button->numButtons = maxbuttons; - - event.header = ET_Internal; - event.type = ET_DeviceChanged; - event.time = GetTimeInMillis(); - event.deviceid = master->id; - event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE; - event.buttons.num_buttons = maxbuttons; - memcpy(&event.buttons.names, master->button->labels, maxbuttons * - sizeof(Atom)); - - if (master->valuator) - { - event.num_valuators = master->valuator->numAxes; - for (i = 0; i < event.num_valuators; i++) - { - event.valuators[i].min = master->valuator->axes[i].min_value; - event.valuators[i].max = master->valuator->axes[i].max_value; - event.valuators[i].resolution = master->valuator->axes[i].resolution; - event.valuators[i].mode = master->valuator->axes[i].mode; - event.valuators[i].name = master->valuator->axes[i].label; - } - } - - if (master->key) - { - event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code; - event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code; - } - - XISendDeviceChangedEvent(master, master, &event); - } -} - -/** - * 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. - * - * Master may be NULL to set the device floating. - * - * We don't allow multi-layer hierarchies right now. You can't attach a slave - * to another slave. - */ -int -AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master) -{ - ScreenPtr screen; - DeviceIntPtr oldmaster; - if (!dev || IsMaster(dev)) - return BadDevice; - - if (master && !IsMaster(master)) /* can't attach to slaves */ - return BadDevice; - - /* set from floating to floating? */ - if (IsFloating(dev) && !master && dev->enabled) - return Success; - - /* free the existing sprite. */ - if (IsFloating(dev) && dev->spriteInfo->paired == dev) - { - screen = miPointerGetScreen(dev); - screen->DeviceCursorCleanup(dev, screen); - free(dev->spriteInfo->sprite); - } - - 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, - * so we reset spriteOwner. - * Sprite has to be forced to NULL first, otherwise InitializeSprite won't - * alloc new memory but overwrite the previous one. - */ - if (!master) - { - WindowPtr currentRoot; - - if (dev->spriteInfo->sprite) - currentRoot = GetCurrentRootWindow(dev); - else /* new device auto-set to floating */ - currentRoot = screenInfo.screens[0]->root; - - /* we need to init a fake sprite */ - screen = currentRoot->drawable.pScreen; - screen->DeviceCursorInitialize(dev, screen); - dev->spriteInfo->sprite = NULL; - InitializeSprite(dev, currentRoot); - dev->spriteInfo->spriteOwner = FALSE; - dev->spriteInfo->paired = dev; - } else - { - dev->spriteInfo->sprite = master->spriteInfo->sprite; - dev->spriteInfo->paired = master; - dev->spriteInfo->spriteOwner = FALSE; - - RecalculateMasterButtons(master); - } - - /* XXX: in theory, the MD should change back to its old, original - * classes when the last SD is detached. Thanks to the XTEST devices, - * we'll always have an SD attached until the MD is removed. - * So let's not worry about that. - */ - - return Success; -} - -/** - * Return the device paired with the given device or NULL. - * Returns the device paired with the parent master if the given device is a - * slave device. - */ -DeviceIntPtr -GetPairedDevice(DeviceIntPtr dev) -{ - if (!IsMaster(dev) && !IsFloating(dev)) - dev = GetMaster(dev, MASTER_ATTACHED); - - return dev->spriteInfo->paired; -} - - -/** - * Returns the right master for the type of event needed. If the event is a - * keyboard event. - * This function may be called with a master device as argument. If so, the - * 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 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) -{ - DeviceIntPtr master; - - if (IsMaster(dev)) - master = dev; - else - master = dev->master; - - if (master && which != MASTER_ATTACHED) - { - if (which == MASTER_KEYBOARD) - { - if (master->type != MASTER_KEYBOARD) - master = GetPairedDevice(master); - } else - { - if (master->type != MASTER_POINTER) - master = GetPairedDevice(master); - } - } - - return master; -} - -/** - * Create a new device pair (== one pointer, one keyboard device). - * Only allocates the devices, you will need to call ActivateDevice() and - * EnableDevice() manually. - * Either a master or a slave device can be created depending on - * the value for master. - */ -int -AllocDevicePair (ClientPtr client, char* name, - DeviceIntPtr* ptr, - DeviceIntPtr* keybd, - DeviceProc ptr_proc, - DeviceProc keybd_proc, - Bool master) -{ - DeviceIntPtr pointer; - DeviceIntPtr keyboard; - *ptr = *keybd = NULL; - - pointer = AddInputDevice(client, ptr_proc, TRUE); - if (!pointer) - return BadAlloc; - - if (asprintf(&pointer->name, "%s pointer", name) == -1) { - pointer->name = NULL; - RemoveDevice(pointer, FALSE); - return BadAlloc; - } - - pointer->public.processInputProc = ProcessOtherEvent; - pointer->public.realInputProc = ProcessOtherEvent; - XkbSetExtension(pointer, ProcessPointerEvent); - pointer->deviceGrab.ActivateGrab = ActivatePointerGrab; - pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab; - pointer->coreEvents = TRUE; - pointer->spriteInfo->spriteOwner = TRUE; - - pointer->lastSlave = NULL; - pointer->last.slave = NULL; - pointer->type = (master) ? MASTER_POINTER : SLAVE; - - keyboard = AddInputDevice(client, keybd_proc, TRUE); - if (!keyboard) - { - RemoveDevice(pointer, FALSE); - return BadAlloc; - } - - if (asprintf(&keyboard->name, "%s keyboard", name) == -1) { - keyboard->name = NULL; - RemoveDevice(keyboard, FALSE); - RemoveDevice(pointer, FALSE); - return BadAlloc; - } - - keyboard->public.processInputProc = ProcessOtherEvent; - keyboard->public.realInputProc = ProcessOtherEvent; - XkbSetExtension(keyboard, ProcessKeyboardEvent); - keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab; - keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; - keyboard->coreEvents = TRUE; - keyboard->spriteInfo->spriteOwner = FALSE; - - keyboard->lastSlave = NULL; - keyboard->last.slave = NULL; - keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE; - - /* The ClassesRec stores the device classes currently not used. */ - pointer->unused_classes = calloc(1, sizeof(ClassesRec)); - keyboard->unused_classes = calloc(1, sizeof(ClassesRec)); - - *ptr = pointer; - *keybd = keyboard; - - return Success; -} - -/** - * Return Relative or Absolute for the device. - */ -int valuator_get_mode(DeviceIntPtr dev, int axis) -{ - return (dev->valuator->axes[axis].mode & DeviceMode); -} - -/** - * Set the given mode for the axis. If axis is VALUATOR_MODE_ALL_AXES, then - * set the mode for all axes. - */ -void valuator_set_mode(DeviceIntPtr dev, int axis, int mode) -{ - if (axis != VALUATOR_MODE_ALL_AXES) - dev->valuator->axes[axis].mode = mode; - else { - int i; - for (i = 0; i < dev->valuator->numAxes; i++) - dev->valuator->axes[i].mode = mode; - } -} +/************************************************************ + +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. + +********************************************************/ + + + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include "misc.h" +#include "resource.h" +#include +#include +#include "windowstr.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "cursorstr.h" +#include "dixstruct.h" +#include "ptrveloc.h" +#include "site.h" +#include "xkbsrv.h" +#include "privates.h" +#include "xace.h" +#include "mi.h" + +#include "dispatch.h" +#include "swaprep.h" +#include "dixevents.h" +#include "mipointer.h" +#include "eventstr.h" + +#include +#include +#include +#include +#include +#include "exglobals.h" +#include "exevents.h" +#include "xiquerydevice.h" /* for SizeDeviceClasses */ +#include "xiproperty.h" +#include "enterleave.h" /* for EnterWindow() */ +#include "xserver-properties.h" +#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */ + +/** @file + * This file handles input device-related stuff. + */ + +static void RecalculateMasterButtons(DeviceIntPtr slave); + +static void +DeviceSetTransform(DeviceIntPtr dev, float *transform) +{ + struct pixman_f_transform scale; + double sx, sy; + int x, y; + + /** + * calculate combined transformation matrix: + * + * M = InvScale * Transform * Scale + * + * So we can later transform points using M * p + * + * Where: + * Scale scales coordinates into 0..1 range + * Transform is the user supplied (affine) transform + * InvScale scales coordinates back up into their native range + */ + sx = dev->valuator->axes[0].max_value - dev->valuator->axes[0].min_value; + sy = dev->valuator->axes[1].max_value - dev->valuator->axes[1].min_value; + + /* invscale */ + pixman_f_transform_init_scale(&scale, sx, sy); + scale.m[0][2] = dev->valuator->axes[0].min_value; + scale.m[1][2] = dev->valuator->axes[1].min_value; + + /* transform */ + for (y=0; y<3; y++) + for (x=0; x<3; x++) + dev->transform.m[y][x] = *transform++; + + pixman_f_transform_multiply(&dev->transform, &scale, &dev->transform); + + /* scale */ + pixman_f_transform_init_scale(&scale, 1.0 / sx, 1.0 / sy); + scale.m[0][2] = -dev->valuator->axes[0].min_value / sx; + scale.m[1][2] = -dev->valuator->axes[1].min_value / sy; + + pixman_f_transform_multiply(&dev->transform, &dev->transform, &scale); +} + +/** + * DIX property handler. + */ +static int +DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop, + BOOL checkonly) +{ + if (property == XIGetKnownProperty(XI_PROP_ENABLED)) + { + if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1) + return BadValue; + + /* Don't allow disabling of VCP/VCK */ + if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) && + !(*(CARD8*)prop->data)) + return BadAccess; + + if (!checkonly) + { + if ((*((CARD8*)prop->data)) && !dev->enabled) + EnableDevice(dev, TRUE); + else if (!(*((CARD8*)prop->data)) && dev->enabled) + DisableDevice(dev, TRUE); + } + } else if (property == XIGetKnownProperty(XI_PROP_TRANSFORM)) + { + float *f = (float*)prop->data; + int i; + + if (prop->format != 32 || prop->size != 9 || + prop->type != XIGetKnownProperty(XATOM_FLOAT)) + return BadValue; + + for (i=0; i<9; i++) + if (!isfinite(f[i])) + return BadValue; + + if (!checkonly) + DeviceSetTransform(dev, f); + } + + return Success; +} + +/* Pair the keyboard to the pointer device. Keyboard events will follow the + * pointer sprite. Only applicable for master devices. + * If the client is set, the request to pair comes from some client. In this + * case, we need to check for access. If the client is NULL, it's from an + * internal automatic pairing, we must always permit this. + */ +static int +PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd) +{ + if (!ptr) + return BadDevice; + + /* Don't allow pairing for slave devices */ + if (!IsMaster(ptr) || !IsMaster(kbd)) + return BadDevice; + + if (ptr->spriteInfo->paired) + return BadDevice; + + if (kbd->spriteInfo->spriteOwner) + { + free(kbd->spriteInfo->sprite); + kbd->spriteInfo->sprite = NULL; + kbd->spriteInfo->spriteOwner = FALSE; + } + + kbd->spriteInfo->sprite = ptr->spriteInfo->sprite; + kbd->spriteInfo->paired = ptr; + ptr->spriteInfo->paired = kbd; + return Success; +} + + +/** + * Find and return the next unpaired MD pointer device. + */ +static DeviceIntPtr +NextFreePointerDevice(void) +{ + DeviceIntPtr dev; + for (dev = inputInfo.devices; dev; dev = dev->next) + if (IsMaster(dev) && + dev->spriteInfo->spriteOwner && + !dev->spriteInfo->paired) + return dev; + return NULL; +} + +/** + * Create a new input device and init it to sane values. The device is added + * to the server's off_devices list. + * + * @param deviceProc Callback for device control function (switch dev on/off). + * @return The newly created device. + */ +DeviceIntPtr +AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart) +{ + DeviceIntPtr dev, *prev; /* not a typo */ + DeviceIntPtr devtmp; + int devid; + char devind[MAXDEVICES]; + BOOL enabled; + float transform[9]; + + /* Find next available id, 0 and 1 are reserved */ + memset(devind, 0, sizeof(char)*MAXDEVICES); + for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next) + devind[devtmp->id]++; + for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next) + devind[devtmp->id]++; + for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++) + ; + + if (devid >= MAXDEVICES) + return (DeviceIntPtr)NULL; + dev = _dixAllocateObjectWithPrivates(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), + sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), + offsetof(DeviceIntRec, devPrivates), PRIVATE_DEVICE); + if (!dev) + return (DeviceIntPtr)NULL; + dev->id = devid; + dev->public.processInputProc = ProcessOtherEvent; + dev->public.realInputProc = ProcessOtherEvent; + dev->public.enqueueInputProc = EnqueueEvent; + dev->deviceProc = deviceProc; + dev->startup = autoStart; + + /* device grab defaults */ + dev->deviceGrab.grabTime = currentTime; + dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab; + dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; + + XkbSetExtension(dev, ProcessKeyboardEvent); + + dev->coreEvents = TRUE; + + /* sprite defaults */ + dev->spriteInfo = (SpriteInfoPtr)&dev[1]; + + /* security creation/labeling check + */ + if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) { + free(dev); + return NULL; + } + + inputInfo.numDevices++; + + for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next) + ; + *prev = dev; + dev->next = NULL; + + enabled = FALSE; + XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), + XA_INTEGER, 8, PropModeReplace, 1, &enabled, + FALSE); + XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE); + + /* unity matrix */ + memset(transform, 0, sizeof(transform)); + transform[0] = transform[4] = transform[8] = 1.0f; + + XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), + XIGetKnownProperty(XATOM_FLOAT), 32, + PropModeReplace, 9, transform, FALSE); + XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), + FALSE); + + XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL); + + return dev; +} + +void +SendDevicePresenceEvent(int deviceid, int type) +{ + DeviceIntRec dummyDev; + devicePresenceNotify ev; + + memset(&dummyDev, 0, sizeof(DeviceIntRec)); + ev.type = DevicePresenceNotify; + ev.time = currentTime.milliseconds; + ev.devchange = type; + ev.deviceid = deviceid; + dummyDev.id = XIAllDevices; + SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask, + (xEvent*)&ev, 1); +} + +/** + * Enable the device through the driver, add the device to the device list. + * Switch device ON through the driver and push it onto the global device + * list. Initialize the DIX sprite or pair the device. All clients are + * notified about the device being enabled. + * + * A master pointer device needs to be enabled before a master keyboard + * device. + * + * @param The device to be enabled. + * @param sendevent True if an XI2 event should be sent. + * @return TRUE on success or FALSE otherwise. + */ +Bool +EnableDevice(DeviceIntPtr dev, BOOL sendevent) +{ + DeviceIntPtr *prev; + int ret; + DeviceIntPtr other; + BOOL enabled; + int flags[MAXDEVICES] = {0}; + + for (prev = &inputInfo.off_devices; + *prev && (*prev != dev); + prev = &(*prev)->next) + ; + + if (!dev->spriteInfo->sprite) + { + if (IsMaster(dev)) + { + /* Sprites appear on first root window, so we can hardcode it */ + if (dev->spriteInfo->spriteOwner) + { + InitializeSprite(dev, screenInfo.screens[0]->root); + /* mode doesn't matter */ + EnterWindow(dev, screenInfo.screens[0]->root, NotifyAncestor); + } + else if ((other = NextFreePointerDevice()) == NULL) + { + ErrorF("[dix] cannot find pointer to pair with. " + "This is a bug.\n"); + return FALSE; + } else + PairDevices(NULL, other, dev); + } else + { + if (dev->coreEvents) + other = (IsPointerDevice(dev)) ? inputInfo.pointer : + inputInfo.keyboard; + else + other = NULL; /* auto-float non-core devices */ + AttachDevice(NULL, dev, other); + } + } + + if ((*prev != dev) || !dev->inited || + ((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) { + ErrorF("[dix] couldn't enable device %d\n", dev->id); + return FALSE; + } + dev->enabled = TRUE; + *prev = dev->next; + + for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next) + ; + *prev = dev; + dev->next = NULL; + + enabled = TRUE; + XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), + XA_INTEGER, 8, PropModeReplace, 1, &enabled, + TRUE); + + SendDevicePresenceEvent(dev->id, DeviceEnabled); + if (sendevent) + { + flags[dev->id] |= XIDeviceEnabled; + XISendDeviceHierarchyEvent(flags); + } + + RecalculateMasterButtons(dev); + + return TRUE; +} + +/** + * Switch a device off through the driver and push it onto the off_devices + * list. A device will not send events while disabled. All clients are + * notified about the device being disabled. + * + * Master keyboard devices have to be disabled before master pointer devices + * otherwise things turn bad. + * + * @param sendevent True if an XI2 event should be sent. + * @return TRUE on success or FALSE otherwise. + */ +Bool +DisableDevice(DeviceIntPtr dev, BOOL sendevent) +{ + DeviceIntPtr *prev, other; + BOOL enabled; + int flags[MAXDEVICES] = {0}; + + for (prev = &inputInfo.devices; + *prev && (*prev != dev); + prev = &(*prev)->next) + ; + if (*prev != dev) + return FALSE; + + /* float attached devices */ + if (IsMaster(dev)) + { + for (other = inputInfo.devices; other; other = other->next) + { + if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev) + { + AttachDevice(NULL, other, NULL); + flags[other->id] |= XISlaveDetached; + } + } + } + else + { + for (other = inputInfo.devices; other; other = other->next) + { + if (IsMaster(other) && other->lastSlave == dev) + other->lastSlave = NULL; + } + } + + if (IsMaster(dev) && dev->spriteInfo->sprite) + { + for (other = inputInfo.devices; other; other = other->next) + { + if (other->spriteInfo->paired == dev) + { + ErrorF("[dix] cannot disable device, still paired. " + "This is a bug. \n"); + return FALSE; + } + } + } + + (void)(*dev->deviceProc)(dev, DEVICE_OFF); + dev->enabled = FALSE; + + /* now that the device is disabled, we can reset the signal handler's + * last.slave */ + OsBlockSignals(); + for (other = inputInfo.devices; other; other = other->next) + { + if (other->last.slave == dev) + other->last.slave = NULL; + } + OsReleaseSignals(); + + LeaveWindow(dev); + SetFocusOut(dev); + + *prev = dev->next; + dev->next = inputInfo.off_devices; + inputInfo.off_devices = dev; + + enabled = FALSE; + XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), + XA_INTEGER, 8, PropModeReplace, 1, &enabled, + TRUE); + + SendDevicePresenceEvent(dev->id, DeviceDisabled); + if (sendevent) + { + flags[dev->id] = XIDeviceDisabled; + XISendDeviceHierarchyEvent(flags); + } + + RecalculateMasterButtons(dev); + + return TRUE; +} + +/** + * Initialise a new device through the driver and tell all clients about the + * new device. + * + * Must be called before EnableDevice. + * The device will NOT send events until it is enabled! + * + * @param sendevent True if an XI2 event should be sent. + * @return Success or an error code on failure. + */ +int +ActivateDevice(DeviceIntPtr dev, BOOL sendevent) +{ + int ret = Success; + ScreenPtr pScreen = screenInfo.screens[0]; + + if (!dev || !dev->deviceProc) + return BadImplementation; + + ret = (*dev->deviceProc) (dev, DEVICE_INIT); + dev->inited = (ret == Success); + if (!dev->inited) + return ret; + + /* Initialize memory for sprites. */ + if (IsMaster(dev) && dev->spriteInfo->spriteOwner) + if (!pScreen->DeviceCursorInitialize(dev, pScreen)) + ret = BadAlloc; + + SendDevicePresenceEvent(dev->id, DeviceAdded); + if (sendevent) + { + int flags[MAXDEVICES] = {0}; + flags[dev->id] = XISlaveAdded; + XISendDeviceHierarchyEvent(flags); + } + return ret; +} + +/** + * Ring the bell. + * The actual task of ringing the bell is the job of the DDX. + */ +static void +CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something) +{ + KeybdCtrl *ctrl = arg; + + DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration); +} + +static void +CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl) +{ + return; +} + +/** + * Device control function for the Virtual Core Keyboard. + */ +int +CoreKeyboardProc(DeviceIntPtr pDev, int what) +{ + + switch (what) { + case DEVICE_INIT: + if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell, + CoreKeyboardCtl)) + { + ErrorF("Keyboard initialization failed. This could be a missing " + "or incorrect setup of xkeyboard-config.\n"); + return BadValue; + } + return Success; + + case DEVICE_ON: + case DEVICE_OFF: + return Success; + + case DEVICE_CLOSE: + return Success; + } + + return BadMatch; +} + +/** + * Device control function for the Virtual Core Pointer. + */ +int +CorePointerProc(DeviceIntPtr pDev, int what) +{ +#define NBUTTONS 10 +#define NAXES 2 + BYTE map[NBUTTONS + 1]; + int i = 0; + Atom btn_labels[NBUTTONS] = {0}; + Atom axes_labels[NAXES] = {0}; + + switch (what) { + case DEVICE_INIT: + for (i = 1; i <= NBUTTONS; i++) + map[i] = i; + + btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); + btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); + btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); + btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); + btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); + btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); + btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); + /* don't know about the rest */ + + axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); + axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); + + if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels, + (PtrCtrlProcPtr)NoopDDA, + GetMotionHistorySize(), NAXES, axes_labels)) + { + ErrorF("Could not initialize device '%s'. Out of memory.\n", + pDev->name); + return BadAlloc; /* IPDS only fails on allocs */ + } + pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2; + pDev->last.valuators[0] = pDev->valuator->axisVal[0]; + pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2; + pDev->last.valuators[1] = pDev->valuator->axisVal[1]; + break; + + case DEVICE_CLOSE: + break; + + default: + break; + } + + return Success; + +#undef NBUTTONS +#undef NAXES +} + +/** + * Initialise the two core devices, VCP and VCK (see events.c). + * Both devices are not tied to physical devices, but guarantee that there is + * always a keyboard and a pointer present and keep the protocol semantics. + * + * Note that the server MUST have two core devices at all times, even if there + * is no physical device connected. + */ +void +InitCoreDevices(void) +{ + if (AllocDevicePair(serverClient, "Virtual core", + &inputInfo.pointer, &inputInfo.keyboard, + CorePointerProc, CoreKeyboardProc, + TRUE) != Success) + FatalError("Failed to allocate core devices"); + + if (ActivateDevice(inputInfo.pointer, TRUE) != Success || + ActivateDevice(inputInfo.keyboard, TRUE) != Success) + FatalError("Failed to activate core devices."); + if (!EnableDevice(inputInfo.pointer, TRUE) || + !EnableDevice(inputInfo.keyboard, TRUE)) + FatalError("Failed to enable core devices."); + + InitXTestDevices(); +} + +/** + * Activate all switched-off devices and then enable all those devices. + * + * Will return an error if no core keyboard or core pointer is present. + * In theory this should never happen if you call InitCoreDevices() first. + * + * InitAndStartDevices needs to be called AFTER the windows are initialized. + * Devices will start sending events after InitAndStartDevices() has + * completed. + * + * @return Success or error code on failure. + */ +int +InitAndStartDevices(void) +{ + DeviceIntPtr dev, next; + + for (dev = inputInfo.off_devices; dev; dev = dev->next) { + DebugF("(dix) initialising device %d\n", dev->id); + if (!dev->inited) + ActivateDevice(dev, TRUE); + } + + /* enable real devices */ + for (dev = inputInfo.off_devices; dev; dev = next) + { + DebugF("(dix) enabling device %d\n", dev->id); + next = dev->next; + if (dev->inited && dev->startup) + EnableDevice(dev, TRUE); + } + + return Success; +} + +/** + * Free the given device class and reset the pointer to NULL. + */ +static void +FreeDeviceClass(int type, pointer *class) +{ + if (!(*class)) + return; + + switch(type) + { + case KeyClass: + { + KeyClassPtr* k = (KeyClassPtr*)class; + if ((*k)->xkbInfo) + { + XkbFreeInfo((*k)->xkbInfo); + (*k)->xkbInfo = NULL; + } + free((*k)); + break; + } + case ButtonClass: + { + ButtonClassPtr *b = (ButtonClassPtr*)class; + free((*b)->xkb_acts); + free((*b)); + break; + } + case ValuatorClass: + { + ValuatorClassPtr *v = (ValuatorClassPtr*)class; + + free((*v)->motion); + free((*v)); + break; + } + case FocusClass: + { + FocusClassPtr *f = (FocusClassPtr*)class; + free((*f)->trace); + free((*f)); + break; + } + case ProximityClass: + { + ProximityClassPtr *p = (ProximityClassPtr*)class; + free((*p)); + break; + } + } + *class = NULL; +} + +static void +FreeFeedbackClass(int type, pointer *class) +{ + if (!(*class)) + return; + + switch(type) + { + case KbdFeedbackClass: + { + KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class; + KbdFeedbackPtr k, knext; + for (k = (*kbdfeed); k; k = knext) { + knext = k->next; + if (k->xkb_sli) + XkbFreeSrvLedInfo(k->xkb_sli); + free(k); + } + break; + } + case PtrFeedbackClass: + { + PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class; + PtrFeedbackPtr p, pnext; + + for (p = (*ptrfeed); p; p = pnext) { + pnext = p->next; + free(p); + } + break; + } + case IntegerFeedbackClass: + { + IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class; + IntegerFeedbackPtr i, inext; + + for (i = (*intfeed); i; i = inext) { + inext = i->next; + free(i); + } + break; + } + case StringFeedbackClass: + { + StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class; + StringFeedbackPtr s, snext; + + for (s = (*stringfeed); s; s = snext) { + snext = s->next; + free(s->ctrl.symbols_supported); + free(s->ctrl.symbols_displayed); + free(s); + } + break; + } + case BellFeedbackClass: + { + BellFeedbackPtr *bell = (BellFeedbackPtr*)class; + BellFeedbackPtr b, bnext; + + for (b = (*bell); b; b = bnext) { + bnext = b->next; + free(b); + } + break; + } + case LedFeedbackClass: + { + LedFeedbackPtr *leds = (LedFeedbackPtr*)class; + LedFeedbackPtr l, lnext; + + for (l = (*leds); l; l = lnext) { + lnext = l->next; + if (l->xkb_sli) + XkbFreeSrvLedInfo(l->xkb_sli); + free(l); + } + break; + } + } + *class = NULL; +} + +static void +FreeAllDeviceClasses(ClassesPtr classes) +{ + if (!classes) + return; + + FreeDeviceClass(KeyClass, (pointer)&classes->key); + FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator); + FreeDeviceClass(ButtonClass, (pointer)&classes->button); + FreeDeviceClass(FocusClass, (pointer)&classes->focus); + FreeDeviceClass(ProximityClass, (pointer)&classes->proximity); + + FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed); + FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed); + FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed); + FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed); + FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell); + FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds); + +} + +/** + * Close down a device and free all resources. + * Once closed down, the driver will probably not expect you that you'll ever + * enable it again and free associated structs. If you want the device to just + * be disabled, DisableDevice(). + * Don't call this function directly, use RemoveDevice() instead. + */ +static void +CloseDevice(DeviceIntPtr dev) +{ + ScreenPtr screen = screenInfo.screens[0]; + ClassesPtr classes; + int j; + + if (!dev) + return; + + XIDeleteAllDeviceProperties(dev); + + if (dev->inited) + (void)(*dev->deviceProc)(dev, DEVICE_CLOSE); + + /* free sprite memory */ + if (IsMaster(dev) && dev->spriteInfo->sprite) + screen->DeviceCursorCleanup(dev, screen); + + /* free acceleration info */ + if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc) + dev->valuator->accelScheme.AccelCleanupProc(dev); + + while (dev->xkb_interest) + XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource); + + free(dev->name); + + classes = (ClassesPtr)&dev->key; + FreeAllDeviceClasses(classes); + + if (IsMaster(dev)) + { + classes = dev->unused_classes; + FreeAllDeviceClasses(classes); + free(classes); + } + + if (DevHasCursor(dev) && dev->spriteInfo->sprite) { + if (dev->spriteInfo->sprite->current) + FreeCursor(dev->spriteInfo->sprite->current, None); + free(dev->spriteInfo->sprite->spriteTrace); + free(dev->spriteInfo->sprite); + } + + /* a client may have the device set as client pointer */ + for (j = 0; j < currentMaxClients; j++) + { + if (clients[j] && clients[j]->clientPtr == dev) + { + clients[j]->clientPtr = NULL; + clients[j]->clientPtr = PickPointer(clients[j]); + } + } + + free(dev->deviceGrab.sync.event); + free(dev->config_info); /* Allocated in xf86ActivateDevice. */ + dev->config_info = NULL; + dixFreeObjectWithPrivates(dev, PRIVATE_DEVICE); +} + +/** + * Shut down all devices of one list and free all resources. + */ +static +void +CloseDeviceList(DeviceIntPtr *listHead) +{ + /* Used to mark devices that we tried to free */ + Bool freedIds[MAXDEVICES]; + DeviceIntPtr dev; + int i; + + if (listHead == NULL) + return; + + for (i = 0; i < MAXDEVICES; i++) + freedIds[i] = FALSE; + + dev = *listHead; + while (dev != NULL) + { + freedIds[dev->id] = TRUE; + DeleteInputDeviceRequest(dev); + + dev = *listHead; + while (dev != NULL && freedIds[dev->id]) + dev = dev->next; + } +} + +/** + * Shut down all devices, free all resources, etc. + * Only useful if you're shutting down the server! + */ +void +CloseDownDevices(void) +{ + DeviceIntPtr dev; + + /* Float all SDs before closing them. Note that at this point resources + * (e.g. cursors) have been freed already, so we can't just call + * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master + * to NULL and pretend nothing happened. + */ + for (dev = inputInfo.devices; dev; dev = dev->next) + { + if (!IsMaster(dev) && !IsFloating(dev)) + dev->master = NULL; + } + + CloseDeviceList(&inputInfo.devices); + CloseDeviceList(&inputInfo.off_devices); + + CloseDevice(inputInfo.pointer); + CloseDevice(inputInfo.keyboard); + + inputInfo.devices = NULL; + inputInfo.off_devices = NULL; + inputInfo.keyboard = NULL; + inputInfo.pointer = NULL; + XkbDeleteRulesDflts(); +} + +/** + * Remove the cursor sprite for all devices. This needs to be done before any + * resources are freed or any device is deleted. + */ +void +UndisplayDevices(void) +{ + DeviceIntPtr dev; + ScreenPtr screen = screenInfo.screens[0]; + + for (dev = inputInfo.devices; dev; dev = dev->next) + screen->DisplayCursor(dev, screen, NullCursor); +} + +/** + * Remove a device from the device list, closes it and thus frees all + * resources. + * Removes both enabled and disabled devices and notifies all devices about + * the removal of the device. + * + * No PresenceNotify is sent for device that the client never saw. This can + * happen if a malloc fails during the addition of master devices. If + * dev->init is FALSE it means the client never received a DeviceAdded event, + * so let's not send a DeviceRemoved event either. + * + * @param sendevent True if an XI2 event should be sent. + */ +int +RemoveDevice(DeviceIntPtr dev, BOOL sendevent) +{ + DeviceIntPtr prev,tmp,next; + int ret = BadMatch; + ScreenPtr screen = screenInfo.screens[0]; + int deviceid; + int initialized; + int flags[MAXDEVICES] = {0}; + + DebugF("(dix) removing device %d\n", dev->id); + + if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer) + return BadImplementation; + + initialized = dev->inited; + deviceid = dev->id; + + if (initialized) + { + if (DevHasCursor(dev)) + screen->DisplayCursor(dev, screen, NullCursor); + + DisableDevice(dev, sendevent); + flags[dev->id] = XIDeviceDisabled; + } + + prev = NULL; + for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) { + next = tmp->next; + if (tmp == dev) { + + if (prev==NULL) + inputInfo.devices = next; + else + prev->next = next; + + flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; + CloseDevice(tmp); + ret = Success; + } + } + + prev = NULL; + for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) { + next = tmp->next; + if (tmp == dev) { + flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; + CloseDevice(tmp); + + if (prev == NULL) + inputInfo.off_devices = next; + else + prev->next = next; + + ret = Success; + } + } + + if (ret == Success && initialized) { + inputInfo.numDevices--; + SendDevicePresenceEvent(deviceid, DeviceRemoved); + if (sendevent) + XISendDeviceHierarchyEvent(flags); + } + + return ret; +} + +int +NumMotionEvents(void) +{ + /* only called to fill data in initial connection reply. + * VCP is ok here, it is the only fixed device we have. */ + return inputInfo.pointer->valuator->numMotionEvents; +} + +int +dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode) +{ + DeviceIntPtr dev; + int rc; + *pDev = NULL; + + for (dev=inputInfo.devices; dev; dev=dev->next) { + if (dev->id == id) + goto found; + } + for (dev=inputInfo.off_devices; dev; dev=dev->next) { + if (dev->id == id) + goto found; + } + return BadDevice; + +found: + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); + if (rc == Success) + *pDev = dev; + return rc; +} + +void +QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode) +{ + if (inputInfo.keyboard) { + *minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code; + *maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code; + } +} + +/* Notably, this function does not expand the destination's keycode range, or + * notify clients. */ +Bool +SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src) +{ + int i, j; + KeySym *tmp; + int rowDif = src->minKeyCode - dst->minKeyCode; + + /* if keysym map size changes, grow map first */ + if (src->mapWidth < dst->mapWidth) { + for (i = src->minKeyCode; i <= src->maxKeyCode; i++) { +#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c)) +#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c)) + for (j = 0; j < src->mapWidth; j++) + dst->map[DI(i, j)] = src->map[SI(i, j)]; + for (j = src->mapWidth; j < dst->mapWidth; j++) + dst->map[DI(i, j)] = NoSymbol; +#undef SI +#undef DI + } + return TRUE; + } + else if (src->mapWidth > dst->mapWidth) { + i = sizeof(KeySym) * src->mapWidth * + (dst->maxKeyCode - dst->minKeyCode + 1); + tmp = calloc(sizeof(KeySym), i); + if (!tmp) + return FALSE; + + if (dst->map) { + for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++) + memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth], + dst->mapWidth * sizeof(KeySym)); + free(dst->map); + } + dst->mapWidth = src->mapWidth; + dst->map = tmp; + } + else if (!dst->map) { + i = sizeof(KeySym) * src->mapWidth * + (dst->maxKeyCode - dst->minKeyCode + 1); + tmp = calloc(sizeof(KeySym), i); + if (!tmp) + return FALSE; + + dst->map = tmp; + dst->mapWidth = src->mapWidth; + } + + memmove(&dst->map[rowDif * dst->mapWidth], src->map, + (src->maxKeyCode - src->minKeyCode + 1) * + dst->mapWidth * sizeof(KeySym)); + + return TRUE; +} + +Bool +InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels, + CARD8 *map) +{ + ButtonClassPtr butc; + int i; + + butc = calloc(1, sizeof(ButtonClassRec)); + if (!butc) + return FALSE; + butc->numButtons = numButtons; + butc->sourceid = dev->id; + for (i = 1; i <= numButtons; i++) + butc->map[i] = map[i]; + for (i = numButtons + 1; i < MAP_LENGTH; i++) + butc->map[i] = i; + memcpy(butc->labels, labels, numButtons * sizeof(Atom)); + dev->button = butc; + return TRUE; +} + +Bool +InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels, + int numMotionEvents, int mode) +{ + int i; + ValuatorClassPtr valc; + union align_u { ValuatorClassRec valc; double d; } *align; + + if (!dev) + return FALSE; + + if (numAxes > MAX_VALUATORS) + { + LogMessage(X_WARNING, + "Device '%s' has %d axes, only using first %d.\n", + dev->name, numAxes, MAX_VALUATORS); + numAxes = MAX_VALUATORS; + } + + align = (union align_u *) calloc(1, sizeof(union align_u) + + numAxes * sizeof(double) + + numAxes * sizeof(AxisInfo)); + if (!align) + return FALSE; + + valc = &align->valc; + valc->sourceid = dev->id; + valc->motion = NULL; + valc->first_motion = 0; + valc->last_motion = 0; + + valc->numMotionEvents = numMotionEvents; + valc->motionHintWindow = NullWindow; + valc->numAxes = numAxes; + valc->axisVal = (double *)(align + 1); + valc->axes = (AxisInfoPtr)(valc->axisVal + numAxes); + + if (mode & OutOfProximity) + InitProximityClassDeviceStruct(dev); + + dev->valuator = valc; + + AllocateMotionHistory(dev); + + for (i=0; iaxisVal[i]=0; + } + + dev->last.numValuators = numAxes; + + if (IsMaster(dev) || /* do not accelerate master or xtest devices */ + IsXTestDevice(dev, NULL)) + InitPointerAccelerationScheme(dev, PtrAccelNoOp); + else + InitPointerAccelerationScheme(dev, PtrAccelDefault); + return TRUE; +} + +/* global list of acceleration schemes */ +ValuatorAccelerationRec pointerAccelerationScheme[] = { + {PtrAccelNoOp, NULL, NULL, NULL, NULL}, + {PtrAccelPredictable, acceleratePointerPredictable, NULL, + InitPredictableAccelerationScheme, AccelerationDefaultCleanup}, + {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL}, + {-1, NULL, NULL, NULL, NULL} /* terminator */ +}; + +/** + * install an acceleration scheme. returns TRUE on success, and should not + * change anything if unsuccessful. + */ +Bool +InitPointerAccelerationScheme(DeviceIntPtr dev, + int scheme) +{ + int x, i = -1; + ValuatorClassPtr val; + + val = dev->valuator; + + if (!val) + return FALSE; + + if (IsMaster(dev) && scheme != PtrAccelNoOp) + return FALSE; + + for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) { + if(pointerAccelerationScheme[x].number == scheme){ + i = x; + break; + } + } + + if (-1 == i) + return FALSE; + + if (val->accelScheme.AccelCleanupProc) + val->accelScheme.AccelCleanupProc(dev); + + if (pointerAccelerationScheme[i].AccelInitProc) { + if (!pointerAccelerationScheme[i].AccelInitProc(dev, + &pointerAccelerationScheme[i])) { + return FALSE; + } + } else { + val->accelScheme = pointerAccelerationScheme[i]; + } + return TRUE; +} + +Bool +InitAbsoluteClassDeviceStruct(DeviceIntPtr dev) +{ + /* This is an API-preserving noop. Instructions: Kill when no more drivers + * call it. The infrastructure behind hasn't really been used, so any calls + * are likely just a declaration that the device is absolute. */ + return FALSE; +} + +Bool +InitFocusClassDeviceStruct(DeviceIntPtr dev) +{ + FocusClassPtr focc; + + focc = malloc(sizeof(FocusClassRec)); + if (!focc) + return FALSE; + focc->win = PointerRootWin; + focc->revert = None; + focc->time = currentTime; + focc->trace = (WindowPtr *)NULL; + focc->traceSize = 0; + focc->traceGood = 0; + focc->sourceid = dev->id; + dev->focus = focc; + return TRUE; +} + +Bool +InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc) +{ + PtrFeedbackPtr feedc; + + feedc = malloc(sizeof(PtrFeedbackClassRec)); + if (!feedc) + return FALSE; + feedc->CtrlProc = controlProc; + feedc->ctrl = defaultPointerControl; + feedc->ctrl.id = 0; + if ( (feedc->next = dev->ptrfeed) ) + feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1; + dev->ptrfeed = feedc; + (*controlProc)(dev, &feedc->ctrl); + return TRUE; +} + + +static LedCtrl defaultLedControl = { + DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0}; + +static BellCtrl defaultBellControl = { + DEFAULT_BELL, + DEFAULT_BELL_PITCH, + DEFAULT_BELL_DURATION, + 0}; + +static IntegerCtrl defaultIntegerControl = { + DEFAULT_INT_RESOLUTION, + DEFAULT_INT_MIN_VALUE, + DEFAULT_INT_MAX_VALUE, + DEFAULT_INT_DISPLAYED, + 0}; + +Bool +InitStringFeedbackClassDeviceStruct ( + DeviceIntPtr dev, StringCtrlProcPtr controlProc, + int max_symbols, int num_symbols_supported, KeySym *symbols) +{ + int i; + StringFeedbackPtr feedc; + + feedc = malloc(sizeof(StringFeedbackClassRec)); + if (!feedc) + return FALSE; + feedc->CtrlProc = controlProc; + feedc->ctrl.num_symbols_supported = num_symbols_supported; + feedc->ctrl.num_symbols_displayed = 0; + feedc->ctrl.max_symbols = max_symbols; + feedc->ctrl.symbols_supported = malloc(sizeof (KeySym) * num_symbols_supported); + feedc->ctrl.symbols_displayed = malloc(sizeof (KeySym) * max_symbols); + if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed) + { + free(feedc->ctrl.symbols_supported); + free(feedc->ctrl.symbols_displayed); + free(feedc); + return FALSE; + } + for (i=0; ictrl.symbols_supported+i) = *symbols++; + for (i=0; ictrl.symbols_displayed+i) = (KeySym) 0; + feedc->ctrl.id = 0; + if ( (feedc->next = dev->stringfeed) ) + feedc->ctrl.id = dev->stringfeed->ctrl.id + 1; + dev->stringfeed = feedc; + (*controlProc)(dev, &feedc->ctrl); + return TRUE; +} + +Bool +InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc, + BellCtrlProcPtr controlProc) +{ + BellFeedbackPtr feedc; + + feedc = malloc(sizeof(BellFeedbackClassRec)); + if (!feedc) + return FALSE; + feedc->CtrlProc = controlProc; + feedc->BellProc = bellProc; + feedc->ctrl = defaultBellControl; + feedc->ctrl.id = 0; + if ( (feedc->next = dev->bell) ) + feedc->ctrl.id = dev->bell->ctrl.id + 1; + dev->bell = feedc; + (*controlProc)(dev, &feedc->ctrl); + return TRUE; +} + +Bool +InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc) +{ + LedFeedbackPtr feedc; + + feedc = malloc(sizeof(LedFeedbackClassRec)); + if (!feedc) + return FALSE; + feedc->CtrlProc = controlProc; + feedc->ctrl = defaultLedControl; + feedc->ctrl.id = 0; + if ( (feedc->next = dev->leds) ) + feedc->ctrl.id = dev->leds->ctrl.id + 1; + feedc->xkb_sli= NULL; + dev->leds = feedc; + (*controlProc)(dev, &feedc->ctrl); + return TRUE; +} + +Bool +InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc) +{ + IntegerFeedbackPtr feedc; + + feedc = malloc(sizeof(IntegerFeedbackClassRec)); + if (!feedc) + return FALSE; + feedc->CtrlProc = controlProc; + feedc->ctrl = defaultIntegerControl; + feedc->ctrl.id = 0; + if ( (feedc->next = dev->intfeed) ) + feedc->ctrl.id = dev->intfeed->ctrl.id + 1; + dev->intfeed = feedc; + (*controlProc)(dev, &feedc->ctrl); + return TRUE; +} + +Bool +InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels, + PtrCtrlProcPtr controlProc, int numMotionEvents, + int numAxes, Atom *axes_labels) +{ + DeviceIntPtr dev = (DeviceIntPtr)device; + + return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) && + InitValuatorClassDeviceStruct(dev, numAxes, axes_labels, + numMotionEvents, Relative) && + InitPtrFeedbackClassDeviceStruct(dev, controlProc)); +} + +/* + * Check if the given buffer contains elements between low (inclusive) and + * high (inclusive) only. + * + * @return TRUE if the device map is invalid, FALSE otherwise. + */ +Bool +BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval) +{ + int i; + + for (i = 0; i < length; i++) + if (buff[i]) /* only check non-zero elements */ + { + if ((low > buff[i]) || (high < buff[i])) + { + *errval = buff[i]; + return TRUE; + } + } + return FALSE; +} + +int +ProcSetModifierMapping(ClientPtr client) +{ + xSetModifierMappingReply rep; + int rc; + REQUEST(xSetModifierMappingReq); + REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq); + + if (client->req_len != ((stuff->numKeyPerModifier << 1) + + bytes_to_int32(sizeof(xSetModifierMappingReq)))) + return BadLength; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1], + stuff->numKeyPerModifier); + if (rc == MappingFailed || rc == -1) + return BadValue; + if (rc != Success && rc != MappingSuccess && rc != MappingFailed && + rc != MappingBusy) + return rc; + + rep.success = rc; + + WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep); + return Success; +} + +int +ProcGetModifierMapping(ClientPtr client) +{ + xGetModifierMappingReply rep; + int max_keys_per_mod = 0; + KeyCode *modkeymap = NULL; + REQUEST_SIZE_MATCH(xReq); + + generate_modkeymap(client, PickKeyboard(client), &modkeymap, + &max_keys_per_mod); + + memset(&rep, 0, sizeof(xGetModifierMappingReply)); + rep.type = X_Reply; + rep.numKeyPerModifier = max_keys_per_mod; + rep.sequenceNumber = client->sequence; + /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */ + rep.length = max_keys_per_mod << 1; + + WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep); + (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap); + + free(modkeymap); + + return Success; +} + +int +ProcChangeKeyboardMapping(ClientPtr client) +{ + REQUEST(xChangeKeyboardMappingReq); + unsigned len; + KeySymsRec keysyms; + DeviceIntPtr pDev, tmp; + int rc; + REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq); + + len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq)); + if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode)) + return BadLength; + + pDev = PickKeyboard(client); + + if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) || + (stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) { + client->errorValue = stuff->firstKeyCode; + return BadValue; + + } + if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) > + pDev->key->xkbInfo->desc->max_key_code) || + (stuff->keySymsPerKeyCode == 0)) { + client->errorValue = stuff->keySymsPerKeyCode; + return BadValue; + } + + keysyms.minKeyCode = stuff->firstKeyCode; + keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1; + keysyms.mapWidth = stuff->keySymsPerKeyCode; + keysyms.map = (KeySym *) &stuff[1]; + + rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); + if (rc != Success) + return rc; + + XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode, + stuff->keyCodes, NULL, client); + + for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { + if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev) + continue; + if (!tmp->key) + continue; + + rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); + if (rc != Success) + continue; + + XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode, + stuff->keyCodes, NULL, client); + } + + return Success; +} + +int +ProcSetPointerMapping(ClientPtr client) +{ + BYTE *map; + int ret; + int i, j; + DeviceIntPtr ptr = PickPointer(client); + xSetPointerMappingReply rep; + REQUEST(xSetPointerMappingReq); + REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq); + + if (client->req_len != + bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts)) + return BadLength; + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.success = MappingSuccess; + map = (BYTE *)&stuff[1]; + + /* So we're bounded here by the number of core buttons. This check + * probably wants disabling through XFixes. */ + /* MPX: With ClientPointer, we can return the right number of buttons. + * Let's just hope nobody changed ClientPointer between GetPointerMapping + * and SetPointerMapping + */ + if (stuff->nElts != ptr->button->numButtons) { + client->errorValue = stuff->nElts; + return BadValue; + } + + /* Core protocol specs don't allow for duplicate mappings; this check + * almost certainly wants disabling through XFixes too. */ + for (i = 0; i < stuff->nElts; i++) { + for (j = i + 1; j < stuff->nElts; j++) { + if (map[i] && map[i] == map[j]) { + client->errorValue = map[i]; + return BadValue; + } + } + } + + ret = ApplyPointerMapping(ptr, map, stuff->nElts, client); + if (ret == MappingBusy) + rep.success = ret; + else if (ret == -1) + return BadValue; + else if (ret != Success) + return ret; + + WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep); + return Success; +} + +int +ProcGetKeyboardMapping(ClientPtr client) +{ + xGetKeyboardMappingReply rep; + DeviceIntPtr kbd = PickKeyboard(client); + XkbDescPtr xkb; + KeySymsPtr syms; + int rc; + REQUEST(xGetKeyboardMappingReq); + REQUEST_SIZE_MATCH(xGetKeyboardMappingReq); + + rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); + if (rc != Success) + return rc; + + xkb = kbd->key->xkbInfo->desc; + + if ((stuff->firstKeyCode < xkb->min_key_code) || + (stuff->firstKeyCode > xkb->max_key_code)) { + client->errorValue = stuff->firstKeyCode; + return BadValue; + } + if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) { + client->errorValue = stuff->count; + return BadValue; + } + + syms = XkbGetCoreMap(kbd); + if (!syms) + return BadAlloc; + + memset(&rep, 0, sizeof(xGetKeyboardMappingReply)); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.keySymsPerKeyCode = syms->mapWidth; + /* length is a count of 4 byte quantities and KeySyms are 4 bytes */ + rep.length = syms->mapWidth * stuff->count; + WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep); + client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; + WriteSwappedDataToClient(client, + syms->mapWidth * stuff->count * sizeof(KeySym), + &syms->map[syms->mapWidth * (stuff->firstKeyCode - + syms->minKeyCode)]); + free(syms->map); + free(syms); + + return Success; +} + +int +ProcGetPointerMapping(ClientPtr client) +{ + xGetPointerMappingReply rep; + /* Apps may get different values each time they call GetPointerMapping as + * the ClientPointer could change. */ + DeviceIntPtr ptr = PickPointer(client); + ButtonClassPtr butc = ptr->button; + int rc; + REQUEST_SIZE_MATCH(xReq); + + rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.nElts = (butc) ? butc->numButtons : 0; + rep.length = ((unsigned)rep.nElts + (4-1))/4; + WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep); + if (butc) + WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]); + return Success; +} + +void +NoteLedState(DeviceIntPtr keybd, int led, Bool on) +{ + KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl; + if (on) + ctrl->leds |= ((Leds)1 << (led - 1)); + else + ctrl->leds &= ~((Leds)1 << (led - 1)); +} + +int +Ones(unsigned long mask) /* HACKMEM 169 */ +{ + unsigned long y; + + y = (mask >> 1) &033333333333; + y = mask - y - ((y >>1) & 033333333333); + return (((y + (y >> 3)) & 030707070707) % 077); +} + +static int +DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist, + BITS32 vmask) +{ +#define DO_ALL (-1) + KeybdCtrl ctrl; + int t; + int led = DO_ALL; + int key = DO_ALL; + BITS32 index2; + int mask = vmask, i; + XkbEventCauseRec cause; + + ctrl = keybd->kbdfeed->ctrl; + while (vmask) { + index2 = (BITS32) lowbit (vmask); + vmask &= ~index2; + switch (index2) { + case KBKeyClickPercent: + t = (INT8)*vlist; + vlist++; + if (t == -1) { + t = defaultKeyboardControl.click; + } + else if (t < 0 || t > 100) { + client->errorValue = t; + return BadValue; + } + ctrl.click = t; + break; + case KBBellPercent: + t = (INT8)*vlist; + vlist++; + if (t == -1) { + t = defaultKeyboardControl.bell; + } + else if (t < 0 || t > 100) { + client->errorValue = t; + return BadValue; + } + ctrl.bell = t; + break; + case KBBellPitch: + t = (INT16)*vlist; + vlist++; + if (t == -1) { + t = defaultKeyboardControl.bell_pitch; + } + else if (t < 0) { + client->errorValue = t; + return BadValue; + } + ctrl.bell_pitch = t; + break; + case KBBellDuration: + t = (INT16)*vlist; + vlist++; + if (t == -1) + t = defaultKeyboardControl.bell_duration; + else if (t < 0) { + client->errorValue = t; + return BadValue; + } + ctrl.bell_duration = t; + break; + case KBLed: + led = (CARD8)*vlist; + vlist++; + if (led < 1 || led > 32) { + client->errorValue = led; + return BadValue; + } + if (!(mask & KBLedMode)) + return BadMatch; + break; + case KBLedMode: + t = (CARD8)*vlist; + vlist++; + if (t == LedModeOff) { + if (led == DO_ALL) + ctrl.leds = 0x0; + else + ctrl.leds &= ~(((Leds)(1)) << (led - 1)); + } + else if (t == LedModeOn) { + if (led == DO_ALL) + ctrl.leds = ~0L; + else + ctrl.leds |= (((Leds)(1)) << (led - 1)); + } + else { + client->errorValue = t; + return BadValue; + } + + XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client); + XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))), + ctrl.leds, &cause); + ctrl.leds = keybd->kbdfeed->ctrl.leds; + + break; + case KBKey: + key = (KeyCode)*vlist; + vlist++; + if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code || + (KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) { + client->errorValue = key; + return BadValue; + } + if (!(mask & KBAutoRepeatMode)) + return BadMatch; + break; + case KBAutoRepeatMode: + i = (key >> 3); + mask = (1 << (key & 7)); + t = (CARD8)*vlist; + vlist++; + if (key != DO_ALL) + XkbDisableComputedAutoRepeats(keybd,key); + if (t == AutoRepeatModeOff) { + if (key == DO_ALL) + ctrl.autoRepeat = FALSE; + else + ctrl.autoRepeats[i] &= ~mask; + } + else if (t == AutoRepeatModeOn) { + if (key == DO_ALL) + ctrl.autoRepeat = TRUE; + else + ctrl.autoRepeats[i] |= mask; + } + else if (t == AutoRepeatModeDefault) { + if (key == DO_ALL) + ctrl.autoRepeat = defaultKeyboardControl.autoRepeat; + else + ctrl.autoRepeats[i] = + (ctrl.autoRepeats[i] & ~mask) | + (defaultKeyboardControl.autoRepeats[i] & mask); + } + else { + client->errorValue = t; + return BadValue; + } + break; + default: + client->errorValue = mask; + return BadValue; + } + } + keybd->kbdfeed->ctrl = ctrl; + + /* The XKB RepeatKeys control and core protocol global autorepeat */ + /* value are linked */ + XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat); + + return Success; + +#undef DO_ALL +} + +/** + * Changes kbd control on the ClientPointer and all attached SDs. + */ +int +ProcChangeKeyboardControl (ClientPtr client) +{ + XID *vlist; + BITS32 vmask; + int ret = Success, error = Success; + DeviceIntPtr pDev = NULL, keyboard; + REQUEST(xChangeKeyboardControlReq); + + REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq); + + vmask = stuff->mask; + vlist = (XID *)&stuff[1]; + + if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask)) + return BadLength; + + keyboard = PickKeyboard(client); + + for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { + if ((pDev == keyboard || + (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) + && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { + ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); + if (ret != Success) + return ret; + } + } + + for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { + if ((pDev == keyboard || + (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) + && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { + ret = DoChangeKeyboardControl(client, pDev, vlist, vmask); + if (ret != Success) + error = ret; + } + } + + return error; +} + +int +ProcGetKeyboardControl (ClientPtr client) +{ + int rc, i; + DeviceIntPtr kbd = PickKeyboard(client); + KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl; + xGetKeyboardControlReply rep; + REQUEST_SIZE_MATCH(xReq); + + rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 5; + rep.sequenceNumber = client->sequence; + rep.globalAutoRepeat = ctrl->autoRepeat; + rep.keyClickPercent = ctrl->click; + rep.bellPercent = ctrl->bell; + rep.bellPitch = ctrl->bell_pitch; + rep.bellDuration = ctrl->bell_duration; + rep.ledMask = ctrl->leds; + for (i = 0; i < 32; i++) + rep.map[i] = ctrl->autoRepeats[i]; + WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep); + return Success; +} + +int +ProcBell(ClientPtr client) +{ + DeviceIntPtr dev, keybd = PickKeyboard(client); + int base = keybd->kbdfeed->ctrl.bell; + int newpercent; + int rc; + REQUEST(xBellReq); + REQUEST_SIZE_MATCH(xBellReq); + + if (stuff->percent < -100 || stuff->percent > 100) { + client->errorValue = stuff->percent; + return BadValue; + } + + newpercent = (base * stuff->percent) / 100; + if (stuff->percent < 0) + newpercent = base + newpercent; + else + newpercent = base - newpercent + stuff->percent; + + for (dev = inputInfo.devices; dev; dev = dev->next) { + if ((dev == keybd || + (!IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD) == keybd)) && + dev->kbdfeed && dev->kbdfeed->BellProc) { + + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess); + if (rc != Success) + return rc; + XkbHandleBell(FALSE, FALSE, dev, newpercent, + &dev->kbdfeed->ctrl, 0, None, NULL, client); + } + } + + return Success; +} + +int +ProcChangePointerControl(ClientPtr client) +{ + DeviceIntPtr dev, mouse = PickPointer(client); + PtrCtrl ctrl; /* might get BadValue part way through */ + int rc; + REQUEST(xChangePointerControlReq); + REQUEST_SIZE_MATCH(xChangePointerControlReq); + + ctrl = mouse->ptrfeed->ctrl; + if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) { + client->errorValue = stuff->doAccel; + return BadValue; + } + if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) { + client->errorValue = stuff->doThresh; + return BadValue; + } + if (stuff->doAccel) { + if (stuff->accelNum == -1) { + ctrl.num = defaultPointerControl.num; + } + else if (stuff->accelNum < 0) { + client->errorValue = stuff->accelNum; + return BadValue; + } + else { + ctrl.num = stuff->accelNum; + } + + if (stuff->accelDenum == -1) { + ctrl.den = defaultPointerControl.den; + } + else if (stuff->accelDenum <= 0) { + client->errorValue = stuff->accelDenum; + return BadValue; + } + else { + ctrl.den = stuff->accelDenum; + } + } + if (stuff->doThresh) { + if (stuff->threshold == -1) { + ctrl.threshold = defaultPointerControl.threshold; + } + else if (stuff->threshold < 0) { + client->errorValue = stuff->threshold; + return BadValue; + } + else { + ctrl.threshold = stuff->threshold; + } + } + + for (dev = inputInfo.devices; dev; dev = dev->next) { + if ((dev == mouse || + (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && + dev->ptrfeed) { + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); + if (rc != Success) + return rc; + } + } + + for (dev = inputInfo.devices; dev; dev = dev->next) { + if ((dev == mouse || + (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && + dev->ptrfeed) { + dev->ptrfeed->ctrl = ctrl; + } + } + + return Success; +} + +int +ProcGetPointerControl(ClientPtr client) +{ + DeviceIntPtr ptr = PickPointer(client); + PtrCtrl *ctrl = &ptr->ptrfeed->ctrl; + xGetPointerControlReply rep; + int rc; + REQUEST_SIZE_MATCH(xReq); + + rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.threshold = ctrl->threshold; + rep.accelNumerator = ctrl->num; + rep.accelDenominator = ctrl->den; + WriteReplyToClient(client, sizeof(xGenericReply), &rep); + return Success; +} + +void +MaybeStopHint(DeviceIntPtr dev, ClientPtr client) +{ + GrabPtr grab = dev->deviceGrab.grab; + + if ((grab && SameClient(grab, client) && + ((grab->eventMask & PointerMotionHintMask) || + (grab->ownerEvents && + (EventMaskForClient(dev->valuator->motionHintWindow, client) & + PointerMotionHintMask)))) || + (!grab && + (EventMaskForClient(dev->valuator->motionHintWindow, client) & + PointerMotionHintMask))) + dev->valuator->motionHintWindow = NullWindow; +} + +int +ProcGetMotionEvents(ClientPtr client) +{ + WindowPtr pWin; + xTimecoord * coords = (xTimecoord *) NULL; + xGetMotionEventsReply rep; + int i, count, xmin, xmax, ymin, ymax, rc; + unsigned long nEvents; + DeviceIntPtr mouse = PickPointer(client); + TimeStamp start, stop; + REQUEST(xGetMotionEventsReq); + REQUEST_SIZE_MATCH(xGetMotionEventsReq); + + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); + if (rc != Success) + return rc; + + if (mouse->valuator->motionHintWindow) + MaybeStopHint(mouse, client); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + nEvents = 0; + start = ClientTimeToServerTime(stuff->start); + stop = ClientTimeToServerTime(stuff->stop); + if ((CompareTimeStamps(start, stop) != LATER) && + (CompareTimeStamps(start, currentTime) != LATER) && + mouse->valuator->numMotionEvents) + { + if (CompareTimeStamps(stop, currentTime) == LATER) + stop = currentTime; + count = GetMotionHistory(mouse, &coords, start.milliseconds, + stop.milliseconds, pWin->drawable.pScreen, + TRUE); + xmin = pWin->drawable.x - wBorderWidth (pWin); + xmax = pWin->drawable.x + (int)pWin->drawable.width + + wBorderWidth (pWin); + ymin = pWin->drawable.y - wBorderWidth (pWin); + ymax = pWin->drawable.y + (int)pWin->drawable.height + + wBorderWidth (pWin); + for (i = 0; i < count; i++) + if ((xmin <= coords[i].x) && (coords[i].x < xmax) && + (ymin <= coords[i].y) && (coords[i].y < ymax)) + { + coords[nEvents].time = coords[i].time; + coords[nEvents].x = coords[i].x - pWin->drawable.x; + coords[nEvents].y = coords[i].y - pWin->drawable.y; + nEvents++; + } + } + rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord)); + rep.nEvents = nEvents; + WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep); + if (nEvents) + { + client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite; + WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord), + (char *)coords); + } + free(coords); + return Success; +} + +int +ProcQueryKeymap(ClientPtr client) +{ + xQueryKeymapReply rep; + int rc, i; + DeviceIntPtr keybd = PickKeyboard(client); + CARD8 *down = keybd->key->down; + + REQUEST_SIZE_MATCH(xReq); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 2; + + rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess); + if (rc != Success && rc != BadAccess) + return rc; + + for (i = 0; i<32; i++) + rep.map[i] = down[i]; + + if (rc == BadAccess) + memset(rep.map, 0, 32); + + WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep); + + return Success; +} + + +/** + * Recalculate the number of buttons for the master device. The number of + * buttons on the master device is equal to the number of buttons on the + * slave device with the highest number of buttons. + */ +static void +RecalculateMasterButtons(DeviceIntPtr slave) +{ + DeviceIntPtr dev, master; + int maxbuttons = 0; + + if (!slave->button || IsMaster(slave)) + return; + + master = GetMaster(slave, MASTER_POINTER); + if (!master) + return; + + for (dev = inputInfo.devices; dev; dev = dev->next) + { + if (IsMaster(dev) || + GetMaster(dev, MASTER_ATTACHED) != master || + !dev->button) + continue; + + maxbuttons = max(maxbuttons, dev->button->numButtons); + } + + if (master->button && master->button->numButtons != maxbuttons) + { + int i; + DeviceChangedEvent event; + + memset(&event, 0, sizeof(event)); + + master->button->numButtons = maxbuttons; + + event.header = ET_Internal; + event.type = ET_DeviceChanged; + event.time = GetTimeInMillis(); + event.deviceid = master->id; + event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE; + event.buttons.num_buttons = maxbuttons; + memcpy(&event.buttons.names, master->button->labels, maxbuttons * + sizeof(Atom)); + + if (master->valuator) + { + event.num_valuators = master->valuator->numAxes; + for (i = 0; i < event.num_valuators; i++) + { + event.valuators[i].min = master->valuator->axes[i].min_value; + event.valuators[i].max = master->valuator->axes[i].max_value; + event.valuators[i].resolution = master->valuator->axes[i].resolution; + event.valuators[i].mode = master->valuator->axes[i].mode; + event.valuators[i].name = master->valuator->axes[i].label; + } + } + + if (master->key) + { + event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code; + event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code; + } + + XISendDeviceChangedEvent(master, master, &event); + } +} + +/** + * 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. + * + * Master may be NULL to set the device floating. + * + * We don't allow multi-layer hierarchies right now. You can't attach a slave + * to another slave. + */ +int +AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master) +{ + ScreenPtr screen; + DeviceIntPtr oldmaster; + if (!dev || IsMaster(dev)) + return BadDevice; + + if (master && !IsMaster(master)) /* can't attach to slaves */ + return BadDevice; + + /* set from floating to floating? */ + if (IsFloating(dev) && !master && dev->enabled) + return Success; + + /* free the existing sprite. */ + if (IsFloating(dev) && dev->spriteInfo->paired == dev) + { + screen = miPointerGetScreen(dev); + screen->DeviceCursorCleanup(dev, screen); + free(dev->spriteInfo->sprite); + } + + 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, + * so we reset spriteOwner. + * Sprite has to be forced to NULL first, otherwise InitializeSprite won't + * alloc new memory but overwrite the previous one. + */ + if (!master) + { + WindowPtr currentRoot; + + if (dev->spriteInfo->sprite) + currentRoot = GetCurrentRootWindow(dev); + else /* new device auto-set to floating */ + currentRoot = screenInfo.screens[0]->root; + + /* we need to init a fake sprite */ + screen = currentRoot->drawable.pScreen; + screen->DeviceCursorInitialize(dev, screen); + dev->spriteInfo->sprite = NULL; + InitializeSprite(dev, currentRoot); + dev->spriteInfo->spriteOwner = FALSE; + dev->spriteInfo->paired = dev; + } else + { + dev->spriteInfo->sprite = master->spriteInfo->sprite; + dev->spriteInfo->paired = master; + dev->spriteInfo->spriteOwner = FALSE; + + RecalculateMasterButtons(master); + } + + /* XXX: in theory, the MD should change back to its old, original + * classes when the last SD is detached. Thanks to the XTEST devices, + * we'll always have an SD attached until the MD is removed. + * So let's not worry about that. + */ + + return Success; +} + +/** + * Return the device paired with the given device or NULL. + * Returns the device paired with the parent master if the given device is a + * slave device. + */ +DeviceIntPtr +GetPairedDevice(DeviceIntPtr dev) +{ + if (!IsMaster(dev) && !IsFloating(dev)) + dev = GetMaster(dev, MASTER_ATTACHED); + + return dev->spriteInfo->paired; +} + + +/** + * Returns the right master for the type of event needed. If the event is a + * keyboard event. + * This function may be called with a master device as argument. If so, the + * 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 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) +{ + DeviceIntPtr master; + + if (IsMaster(dev)) + master = dev; + else + master = dev->master; + + if (master && which != MASTER_ATTACHED) + { + if (which == MASTER_KEYBOARD) + { + if (master->type != MASTER_KEYBOARD) + master = GetPairedDevice(master); + } else + { + if (master->type != MASTER_POINTER) + master = GetPairedDevice(master); + } + } + + return master; +} + +/** + * Create a new device pair (== one pointer, one keyboard device). + * Only allocates the devices, you will need to call ActivateDevice() and + * EnableDevice() manually. + * Either a master or a slave device can be created depending on + * the value for master. + */ +int +AllocDevicePair (ClientPtr client, char* name, + DeviceIntPtr* ptr, + DeviceIntPtr* keybd, + DeviceProc ptr_proc, + DeviceProc keybd_proc, + Bool master) +{ + DeviceIntPtr pointer; + DeviceIntPtr keyboard; + *ptr = *keybd = NULL; + + pointer = AddInputDevice(client, ptr_proc, TRUE); + if (!pointer) + return BadAlloc; + + if (asprintf(&pointer->name, "%s pointer", name) == -1) { + pointer->name = NULL; + RemoveDevice(pointer, FALSE); + return BadAlloc; + } + + pointer->public.processInputProc = ProcessOtherEvent; + pointer->public.realInputProc = ProcessOtherEvent; + XkbSetExtension(pointer, ProcessPointerEvent); + pointer->deviceGrab.ActivateGrab = ActivatePointerGrab; + pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab; + pointer->coreEvents = TRUE; + pointer->spriteInfo->spriteOwner = TRUE; + + pointer->lastSlave = NULL; + pointer->last.slave = NULL; + pointer->type = (master) ? MASTER_POINTER : SLAVE; + + keyboard = AddInputDevice(client, keybd_proc, TRUE); + if (!keyboard) + { + RemoveDevice(pointer, FALSE); + return BadAlloc; + } + + if (asprintf(&keyboard->name, "%s keyboard", name) == -1) { + keyboard->name = NULL; + RemoveDevice(keyboard, FALSE); + RemoveDevice(pointer, FALSE); + return BadAlloc; + } + + keyboard->public.processInputProc = ProcessOtherEvent; + keyboard->public.realInputProc = ProcessOtherEvent; + XkbSetExtension(keyboard, ProcessKeyboardEvent); + keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab; + keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; + keyboard->coreEvents = TRUE; + keyboard->spriteInfo->spriteOwner = FALSE; + + keyboard->lastSlave = NULL; + keyboard->last.slave = NULL; + keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE; + + /* The ClassesRec stores the device classes currently not used. */ + pointer->unused_classes = calloc(1, sizeof(ClassesRec)); + keyboard->unused_classes = calloc(1, sizeof(ClassesRec)); + + *ptr = pointer; + *keybd = keyboard; + + return Success; +} + +/** + * Return Relative or Absolute for the device. + */ +int valuator_get_mode(DeviceIntPtr dev, int axis) +{ + return (dev->valuator->axes[axis].mode & DeviceMode); +} + +/** + * Set the given mode for the axis. If axis is VALUATOR_MODE_ALL_AXES, then + * set the mode for all axes. + */ +void valuator_set_mode(DeviceIntPtr dev, int axis, int mode) +{ + if (axis != VALUATOR_MODE_ALL_AXES) + dev->valuator->axes[axis].mode = mode; + else { + int i; + for (i = 0; i < dev->valuator->numAxes; i++) + dev->valuator->axes[i].mode = mode; + } +} -- cgit v1.2.3