xserver git update 11/6/2010

1 files changed, 576 insertions, 576 deletions

diff --git a/xorg-server/hw/xquartz/darwinEvents.c b/xorg-server/hw/xquartz/darwinEvents.c
index 421efcedf..db3f5b24e 100644
--- a/xorg-server/hw/xquartz/darwinEvents.c
+++ b/xorg-server/hw/xquartz/darwinEvents.c
@@ -1,576 +1,576 @@
-/*
-Darwin event queue and event handling
-
-Copyright 2007-2008 Apple Inc.
-Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved.
-Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
-
-This file is based on mieq.c by Keith Packard,
-which contains the following copyright:
-Copyright 1990, 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.
- */
-
-#include "sanitizedCarbon.h"
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include   <X11/X.h>
-#include   <X11/Xmd.h>
-#include   <X11/Xproto.h>
-#include   "misc.h"
-#include   "windowstr.h"
-#include   "pixmapstr.h"
-#include   "inputstr.h"
-#include   "eventstr.h"
-#include   "mi.h"
-#include   "scrnintstr.h"
-#include   "mipointer.h"
-#include   "os.h"
-
-#include "darwin.h"
-#include "quartz.h"
-#include "quartzKeyboard.h"
-#include "darwinEvents.h"
-
-#include <sys/types.h>
-#include <sys/uio.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <errno.h>
-
-#include <IOKit/hidsystem/IOLLEvent.h>
-
-/* Fake button press/release for scroll wheel move. */
-#define SCROLLWHEELUPFAKE    4
-#define SCROLLWHEELDOWNFAKE  5
-#define SCROLLWHEELLEFTFAKE  6
-#define SCROLLWHEELRIGHTFAKE 7
-
-#include <X11/extensions/applewmconst.h>
-#include "applewmExt.h"
-
-/* FIXME: Abstract this better */
-extern Bool QuartzModeEventHandler(int screenNum, XQuartzEvent *e, DeviceIntPtr dev);
-
-int darwin_all_modifier_flags = 0;  // last known modifier state
-int darwin_all_modifier_mask = 0;
-int darwin_x11_modifier_mask = 0;
-
-#define FD_ADD_MAX 128
-static int fd_add[FD_ADD_MAX];
-int fd_add_count = 0;
-static pthread_mutex_t fd_add_lock = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t fd_add_ready_cond = PTHREAD_COND_INITIALIZER;
-static pthread_t fd_add_tid = NULL;
-
-static EventListPtr darwinEvents = NULL;
-
-static pthread_mutex_t mieq_lock = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t mieq_ready_cond = PTHREAD_COND_INITIALIZER;
-
-/*** Pthread Magics ***/
-static pthread_t create_thread(void *func, void *arg) {
-    pthread_attr_t attr;
-    pthread_t tid;
-
-    pthread_attr_init (&attr);
-    pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
-    pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-    pthread_create (&tid, &attr, func, arg);
-    pthread_attr_destroy (&attr);
-
-    return tid;
-}
-
-void darwinEvents_lock(void);
-void darwinEvents_lock(void) {
-    int err;
-    if((err = pthread_mutex_lock(&mieq_lock))) {
-        ErrorF("%s:%s:%d: Failed to lock mieq_lock: %d\n",
-               __FILE__, __FUNCTION__, __LINE__, err);
-        spewCallStack();
-    }
-    if(darwinEvents == NULL) {
-        pthread_cond_wait(&mieq_ready_cond, &mieq_lock);
-    }
-}
-
-void darwinEvents_unlock(void);
-void darwinEvents_unlock(void) {
-    int err;
-    if((err = pthread_mutex_unlock(&mieq_lock))) {
-        ErrorF("%s:%s:%d: Failed to unlock mieq_lock: %d\n",
-               __FILE__, __FUNCTION__, __LINE__, err);
-        spewCallStack();
-    }
-}
-
-/*
- * DarwinPressModifierKey
- * Press or release the given modifier key (one of NX_MODIFIERKEY_* constants)
- */
-static void DarwinPressModifierKey(int pressed, int key) {
-    int keycode = DarwinModifierNXKeyToNXKeycode(key, 0);
-
-    if (keycode == 0) {
-        ErrorF("DarwinPressModifierKey bad keycode: key=%d\n", key);
-        return;
-    }
-
-    DarwinSendKeyboardEvents(pressed, keycode);
-}
-
-/*
- * DarwinUpdateModifiers
- *  Send events to update the modifier state.
- */
-
-static int darwin_x11_modifier_mask_list[] = {
-#ifdef NX_DEVICELCMDKEYMASK
-    NX_DEVICELCTLKEYMASK, NX_DEVICERCTLKEYMASK,
-    NX_DEVICELSHIFTKEYMASK, NX_DEVICERSHIFTKEYMASK,
-    NX_DEVICELCMDKEYMASK, NX_DEVICERCMDKEYMASK,
-    NX_DEVICELALTKEYMASK, NX_DEVICERALTKEYMASK,
-#else
-    NX_CONTROLMASK, NX_SHIFTMASK, NX_COMMANDMASK, NX_ALTERNATEMASK,
-#endif
-    NX_ALPHASHIFTMASK,
-    0
-};
-
-static int darwin_all_modifier_mask_additions[] = { NX_SECONDARYFNMASK, };
-
-static void DarwinUpdateModifiers(
-    int pressed,        // KeyPress or KeyRelease
-    int flags )         // modifier flags that have changed
-{
-    int *f;
-    int key;
-
-    /* Capslock is special.  This mask is the state of capslock (on/off),
-     * not the state of the button.  Hopefully we can find a better solution.
-     */
-    if(NX_ALPHASHIFTMASK & flags) {
-        DarwinPressModifierKey(KeyPress, NX_MODIFIERKEY_ALPHALOCK);
-        DarwinPressModifierKey(KeyRelease, NX_MODIFIERKEY_ALPHALOCK);
-    }
-    
-    for(f=darwin_x11_modifier_mask_list; *f; f++)
-        if(*f & flags && *f != NX_ALPHASHIFTMASK) {
-            key = DarwinModifierNXMaskToNXKey(*f);
-            if(key == -1)
-                ErrorF("DarwinUpdateModifiers: Unsupported NXMask: 0x%x\n", *f);
-            else
-                DarwinPressModifierKey(pressed, key);
-        }
-}
-
-/* Generic handler for Xquartz-specifc events.  When possible, these should
-   be moved into their own individual functions and set as handlers using
-   mieqSetHandler. */
-
-static void DarwinEventHandler(int screenNum, InternalEvent *ie, DeviceIntPtr dev) {
-    XQuartzEvent *e = &(ie->xquartz_event);
-
-    TA_SERVER();
-
-    switch(e->subtype) {
-        case kXquartzControllerNotify:
-            DEBUG_LOG("kXquartzControllerNotify\n");
-            AppleWMSendEvent(AppleWMControllerNotify,
-                             AppleWMControllerNotifyMask,
-                             e->data[0],
-                             e->data[1]);
-            break;
-            
-        case kXquartzPasteboardNotify:
-            DEBUG_LOG("kXquartzPasteboardNotify\n");
-            AppleWMSendEvent(AppleWMPasteboardNotify,
-                             AppleWMPasteboardNotifyMask,
-                             e->data[0],
-                             e->data[1]);
-            break;
-            
-        case kXquartzActivate:
-            DEBUG_LOG("kXquartzActivate\n");
-            QuartzShow();
-            AppleWMSendEvent(AppleWMActivationNotify,
-                             AppleWMActivationNotifyMask,
-                             AppleWMIsActive, 0);
-            break;
-            
-        case kXquartzDeactivate:
-            DEBUG_LOG("kXquartzDeactivate\n");
-            AppleWMSendEvent(AppleWMActivationNotify,
-                             AppleWMActivationNotifyMask,
-                             AppleWMIsInactive, 0);
-            QuartzHide();
-            break;
-
-        case kXquartzReloadPreferences:
-            DEBUG_LOG("kXquartzReloadPreferences\n");
-            AppleWMSendEvent(AppleWMActivationNotify,
-                             AppleWMActivationNotifyMask,
-                             AppleWMReloadPreferences, 0);
-            break;
-            
-        case kXquartzToggleFullscreen:
-            DEBUG_LOG("kXquartzToggleFullscreen\n");
-            if (quartzEnableRootless) 
-                QuartzSetFullscreen(!quartzHasRoot);
-            else if (quartzHasRoot)
-                QuartzHide();
-            else
-                QuartzShow();
-            break;
-            
-        case kXquartzSetRootless:
-            DEBUG_LOG("kXquartzSetRootless\n");
-            QuartzSetRootless(e->data[0]);
-            if (!quartzEnableRootless && !quartzHasRoot)
-                QuartzHide();
-            break;
-            
-        case kXquartzSetRootClip:
-            QuartzSetRootClip((Bool)e->data[0]);
-            break;
-            
-        case kXquartzQuit:
-            GiveUp(0);
-            break;
-            
-        case kXquartzSpaceChanged:
-            DEBUG_LOG("kXquartzSpaceChanged\n");
-            QuartzSpaceChanged(e->data[0]);
-            break;
-
-        case kXquartzListenOnOpenFD:
-            ErrorF("Calling ListenOnOpenFD() for new fd: %d\n", (int)e->data[0]);
-            ListenOnOpenFD((int)e->data[0], 1);
-            break;
-            
-        case kXquartzReloadKeymap:
-            DarwinKeyboardReloadHandler();
-            break;
-            
-        case kXquartzDisplayChanged:
-            QuartzUpdateScreens();
-            break;
-            
-        default:
-            if(!QuartzModeEventHandler(screenNum, e, dev))
-                ErrorF("Unknown application defined event type %d.\n", e->subtype);
-    }	
-}
-
-void DarwinListenOnOpenFD(int fd) {
-    ErrorF("DarwinListenOnOpenFD: %d\n", fd);
-    
-    pthread_mutex_lock(&fd_add_lock);
-    if(fd_add_count < FD_ADD_MAX)
-        fd_add[fd_add_count++] = fd;
-    else
-        ErrorF("FD Addition buffer at max.  Dropping fd addition request.\n");
-
-    pthread_cond_broadcast(&fd_add_ready_cond);
-    pthread_mutex_unlock(&fd_add_lock);
-}
-
-static void DarwinProcessFDAdditionQueue_thread(void *args) {
-    pthread_mutex_lock(&fd_add_lock);
-    while(true) {
-        while(fd_add_count) {
-            DarwinSendDDXEvent(kXquartzListenOnOpenFD, 1, fd_add[--fd_add_count]);
-        }
-        pthread_cond_wait(&fd_add_ready_cond, &fd_add_lock);
-    }
-}
-
-Bool DarwinEQInit(void) { 
-    int *p;
-
-    for(p=darwin_x11_modifier_mask_list, darwin_all_modifier_mask=0; *p; p++) {
-        darwin_x11_modifier_mask |= *p;
-    }
-    
-    for(p=darwin_all_modifier_mask_additions, darwin_all_modifier_mask= darwin_x11_modifier_mask; *p; p++) {
-        darwin_all_modifier_mask |= *p;
-    }
-    
-    mieqInit();
-    mieqSetHandler(ET_XQuartz, DarwinEventHandler);
-
-    /* Note that this *could* cause a potential async issue, since we're checking
-     * darwinEvents without holding the lock, but darwinEvents is only ever set
-     * here, so I don't bother.
-     */
-    if (!darwinEvents) {
-        darwinEvents = InitEventList(GetMaximumEventsNum());;
-        
-        if (!darwinEvents)
-            FatalError("Couldn't allocate event buffer\n");
-        
-        darwinEvents_lock();
-        pthread_cond_broadcast(&mieq_ready_cond);
-        darwinEvents_unlock();
-    }
-
-    if(!fd_add_tid)
-        fd_add_tid = create_thread(DarwinProcessFDAdditionQueue_thread, NULL);
-    
-    return TRUE;
-}
-
-/*
- * ProcessInputEvents
- *  Read and process events from the event queue until it is empty.
- */
-void ProcessInputEvents(void) {
-    char nullbyte;
-	int x = sizeof(nullbyte);
-    
-    TA_SERVER();
-
-    mieqProcessInputEvents();
-
-    // Empty the signaling pipe
-    while (x == sizeof(nullbyte)) {
-      x = read(darwinEventReadFD, &nullbyte, sizeof(nullbyte));
-    }
-}
-
-/* Sends a null byte down darwinEventWriteFD, which will cause the
-   Dispatch() event loop to check out event queue */
-static void DarwinPokeEQ(void) {
-	char nullbyte=0;
-	//  <daniels> oh, i ... er ... christ.
-	write(darwinEventWriteFD, &nullbyte, sizeof(nullbyte));
-}
-
-/* Convert from Appkit pointer input values to X input values:
- * Note: pointer_x and pointer_y are relative to the upper-left of primary
- *       display.
- */
-static void DarwinPrepareValuators(DeviceIntPtr pDev, int *valuators, ScreenPtr screen,
-                                   float pointer_x, float pointer_y, 
-                                   float pressure, float tilt_x, float tilt_y) {
-    /* Fix offset between darwin and X screens */
-    pointer_x -= darwinMainScreenX + dixScreenOrigins[screen->myNum].x;
-    pointer_y -= darwinMainScreenY + dixScreenOrigins[screen->myNum].y;
-
-    if(pointer_x < 0.0)
-        pointer_x = 0.0;
-
-    if(pointer_y < 0.0)
-        pointer_y = 0.0;
-    
-    if(pDev == darwinPointer) {
-        valuators[0] = pointer_x;
-        valuators[1] = pointer_y;
-        valuators[2] = 0;
-        valuators[3] = 0;
-        valuators[4] = 0;
-    } else {
-        /* Setup our array of values */
-        valuators[0] = XQUARTZ_VALUATOR_LIMIT * (pointer_x / (float)screenInfo.screens[0]->width);
-        valuators[1] = XQUARTZ_VALUATOR_LIMIT * (pointer_y / (float)screenInfo.screens[0]->height);
-        valuators[2] = XQUARTZ_VALUATOR_LIMIT * pressure;
-        valuators[3] = XQUARTZ_VALUATOR_LIMIT * tilt_x;
-        valuators[4] = XQUARTZ_VALUATOR_LIMIT * tilt_y;
-    }
-    //DEBUG_LOG("Pointer (%f, %f), Valuators: {%d,%d,%d,%d,%d}\n", pointer_x, pointer_y,
-    //          valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);
-}
-
-void DarwinSendPointerEvents(DeviceIntPtr pDev, int ev_type, int ev_button, float pointer_x, float pointer_y, 
-			     float pressure, float tilt_x, float tilt_y) {
-	static int darwinFakeMouseButtonDown = 0;
-	int i, num_events;
-    ScreenPtr screen;
-    int valuators[5];
-	
-    //DEBUG_LOG("x=%f, y=%f, p=%f, tx=%f, ty=%f\n", pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-    
-	if(!darwinEvents) {
-		DEBUG_LOG("DarwinSendPointerEvents called before darwinEvents was initialized\n");
-		return;
-	}
-
-    screen = miPointerGetScreen(pDev);
-    if(!screen) {
-        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
-        return;
-    }
-
-    /* Handle fake click */
-	if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {
-        if(darwinFakeMouseButtonDown != 0) {
-            /* We're currently "down" with another button, so release it first */
-            DarwinSendPointerEvents(pDev, ButtonRelease, darwinFakeMouseButtonDown, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-            darwinFakeMouseButtonDown=0;
-        }
-		if (darwin_all_modifier_flags & darwinFakeMouse2Mask) {
-            ev_button = 2;
-			darwinFakeMouseButtonDown = 2;
-            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse2Mask);
-		} else if (darwin_all_modifier_flags & darwinFakeMouse3Mask) {
-            ev_button = 3;
-			darwinFakeMouseButtonDown = 3;
-            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse3Mask);
-		}
-	}
-
-	if (ev_type == ButtonRelease && ev_button == 1) {
-        if(darwinFakeMouseButtonDown) {
-            ev_button = darwinFakeMouseButtonDown;
-        }
-
-        if(darwinFakeMouseButtonDown == 2) {
-            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse2Mask);
-        } else if(darwinFakeMouseButtonDown == 3) {
-            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse3Mask);
-        }
-
-        darwinFakeMouseButtonDown = 0;
-	}
-
-    DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-    darwinEvents_lock(); {
-        num_events = GetPointerEvents(darwinEvents, pDev, ev_type, ev_button, 
-                                      POINTER_ABSOLUTE, 0, pDev==darwinTabletCurrent?5:2, valuators);
-        for(i=0; i<num_events; i++) mieqEnqueue (pDev, (InternalEvent*)darwinEvents[i].event);
-        if(num_events > 0) DarwinPokeEQ();
-    } darwinEvents_unlock();
-}
-
-void DarwinSendKeyboardEvents(int ev_type, int keycode) {
-	int i, num_events;
-
-	if(!darwinEvents) {
-		DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");
-		return;
-	}
-
-    darwinEvents_lock(); {
-        num_events = GetKeyboardEvents(darwinEvents, darwinKeyboard, ev_type, keycode + MIN_KEYCODE);
-        for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard, (InternalEvent*)darwinEvents[i].event);
-        if(num_events > 0) DarwinPokeEQ();
-    } darwinEvents_unlock();
-}
-
-void DarwinSendProximityEvents(int ev_type, float pointer_x, float pointer_y) {
-	int i, num_events;
-    ScreenPtr screen;
-    DeviceIntPtr pDev = darwinTabletCurrent;
-    int valuators[5];
-
-	DEBUG_LOG("DarwinSendProximityEvents(%d, %f, %f)\n", ev_type, pointer_x, pointer_y);
-
-	if(!darwinEvents) {
-		DEBUG_LOG("DarwinSendProximityEvents called before darwinEvents was initialized\n");
-		return;
-	}
-    
-    screen = miPointerGetScreen(pDev);
-    if(!screen) {
-        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
-        return;
-    }    
-
-    DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, 0.0f, 0.0f, 0.0f);
-    darwinEvents_lock(); {
-        num_events = GetProximityEvents(darwinEvents, pDev, ev_type,
-                                        0, 5, valuators);
-        for(i=0; i<num_events; i++) mieqEnqueue (pDev, (InternalEvent*)darwinEvents[i].event);
-        if(num_events > 0) DarwinPokeEQ();
-    } darwinEvents_unlock();
-}
-
-
-/* Send the appropriate number of button clicks to emulate scroll wheel */
-void DarwinSendScrollEvents(float count_x, float count_y, 
-							float pointer_x, float pointer_y, 
-			    			float pressure, float tilt_x, float tilt_y) {
-	int sign_x, sign_y;
-	if(!darwinEvents) {
-		DEBUG_LOG("DarwinSendScrollEvents called before darwinEvents was initialized\n");
-		return;
-	}
-
-	sign_x = count_x > 0.0f ? SCROLLWHEELLEFTFAKE : SCROLLWHEELRIGHTFAKE;
-	sign_y = count_y > 0.0f ? SCROLLWHEELUPFAKE : SCROLLWHEELDOWNFAKE;
-	count_x = fabs(count_x);
-	count_y = fabs(count_y);
-	
-	while ((count_x > 0.0f) || (count_y > 0.0f)) {
-		if (count_x > 0.0f) {
-			DarwinSendPointerEvents(darwinPointer, ButtonPress, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-			DarwinSendPointerEvents(darwinPointer, ButtonRelease, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-			count_x = count_x - 1.0f;
-		}
-		if (count_y > 0.0f) {
-			DarwinSendPointerEvents(darwinPointer, ButtonPress, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-			DarwinSendPointerEvents(darwinPointer, ButtonRelease, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
-			count_y = count_y - 1.0f;
-		}
-	}
-}
-
-/* Send the appropriate KeyPress/KeyRelease events to GetKeyboardEvents to
-   reflect changing modifier flags (alt, control, meta, etc) */
-void DarwinUpdateModKeys(int flags) {
-	DarwinUpdateModifiers(KeyRelease, darwin_all_modifier_flags & ~flags & darwin_x11_modifier_mask);
-	DarwinUpdateModifiers(KeyPress, ~darwin_all_modifier_flags & flags & darwin_x11_modifier_mask);
-	darwin_all_modifier_flags = flags;
-}
-
-/*
- * DarwinSendDDXEvent
- *  Send the X server thread a message by placing it on the event queue.
- */
-void DarwinSendDDXEvent(int type, int argc, ...) {
-    XQuartzEvent e;
-    int i;
-    va_list args;
-
-    memset(&e, 0, sizeof(e));
-    e.header = ET_Internal;
-    e.type = ET_XQuartz;
-    e.length = sizeof(e);
-    e.time = GetTimeInMillis();
-    e.subtype = type;
-
-    if (argc > 0 && argc < XQUARTZ_EVENT_MAXARGS) {
-        va_start (args, argc);
-        for (i = 0; i < argc; i++)
-            e.data[i] = (uint32_t) va_arg (args, uint32_t);
-        va_end (args);
-    }
-
-    darwinEvents_lock(); {
-        mieqEnqueue(NULL, (InternalEvent*)&e);
-        DarwinPokeEQ();
-    } darwinEvents_unlock();
-}
+/*

+Darwin event queue and event handling

+

+Copyright 2007-2008 Apple Inc.

+Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved.

+Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.

+

+This file is based on mieq.c by Keith Packard,

+which contains the following copyright:

+Copyright 1990, 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.

+ */

+

+#include "sanitizedCarbon.h"

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include   <X11/X.h>

+#include   <X11/Xmd.h>

+#include   <X11/Xproto.h>

+#include   "misc.h"

+#include   "windowstr.h"

+#include   "pixmapstr.h"

+#include   "inputstr.h"

+#include   "eventstr.h"

+#include   "mi.h"

+#include   "scrnintstr.h"

+#include   "mipointer.h"

+#include   "os.h"

+

+#include "darwin.h"

+#include "quartz.h"

+#include "quartzKeyboard.h"

+#include "darwinEvents.h"

+

+#include <sys/types.h>

+#include <sys/uio.h>

+#include <unistd.h>

+#include <pthread.h>

+#include <errno.h>

+

+#include <IOKit/hidsystem/IOLLEvent.h>

+

+/* Fake button press/release for scroll wheel move. */

+#define SCROLLWHEELUPFAKE    4

+#define SCROLLWHEELDOWNFAKE  5

+#define SCROLLWHEELLEFTFAKE  6

+#define SCROLLWHEELRIGHTFAKE 7

+

+#include <X11/extensions/applewmconst.h>

+#include "applewmExt.h"

+

+/* FIXME: Abstract this better */

+extern Bool QuartzModeEventHandler(int screenNum, XQuartzEvent *e, DeviceIntPtr dev);

+

+int darwin_all_modifier_flags = 0;  // last known modifier state

+int darwin_all_modifier_mask = 0;

+int darwin_x11_modifier_mask = 0;

+

+#define FD_ADD_MAX 128

+static int fd_add[FD_ADD_MAX];

+int fd_add_count = 0;

+static pthread_mutex_t fd_add_lock = PTHREAD_MUTEX_INITIALIZER;

+static pthread_cond_t fd_add_ready_cond = PTHREAD_COND_INITIALIZER;

+static pthread_t fd_add_tid = NULL;

+

+static EventListPtr darwinEvents = NULL;

+

+static pthread_mutex_t mieq_lock = PTHREAD_MUTEX_INITIALIZER;

+static pthread_cond_t mieq_ready_cond = PTHREAD_COND_INITIALIZER;

+

+/*** Pthread Magics ***/

+static pthread_t create_thread(void *func, void *arg) {

+    pthread_attr_t attr;

+    pthread_t tid;

+

+    pthread_attr_init (&attr);

+    pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);

+    pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);

+    pthread_create (&tid, &attr, func, arg);

+    pthread_attr_destroy (&attr);

+

+    return tid;

+}

+

+void darwinEvents_lock(void);

+void darwinEvents_lock(void) {

+    int err;

+    if((err = pthread_mutex_lock(&mieq_lock))) {

+        ErrorF("%s:%s:%d: Failed to lock mieq_lock: %d\n",

+               __FILE__, __FUNCTION__, __LINE__, err);

+        spewCallStack();

+    }

+    if(darwinEvents == NULL) {

+        pthread_cond_wait(&mieq_ready_cond, &mieq_lock);

+    }

+}

+

+void darwinEvents_unlock(void);

+void darwinEvents_unlock(void) {

+    int err;

+    if((err = pthread_mutex_unlock(&mieq_lock))) {

+        ErrorF("%s:%s:%d: Failed to unlock mieq_lock: %d\n",

+               __FILE__, __FUNCTION__, __LINE__, err);

+        spewCallStack();

+    }

+}

+

+/*

+ * DarwinPressModifierKey

+ * Press or release the given modifier key (one of NX_MODIFIERKEY_* constants)

+ */

+static void DarwinPressModifierKey(int pressed, int key) {

+    int keycode = DarwinModifierNXKeyToNXKeycode(key, 0);

+

+    if (keycode == 0) {

+        ErrorF("DarwinPressModifierKey bad keycode: key=%d\n", key);

+        return;

+    }

+

+    DarwinSendKeyboardEvents(pressed, keycode);

+}

+

+/*

+ * DarwinUpdateModifiers

+ *  Send events to update the modifier state.

+ */

+

+static int darwin_x11_modifier_mask_list[] = {

+#ifdef NX_DEVICELCMDKEYMASK

+    NX_DEVICELCTLKEYMASK, NX_DEVICERCTLKEYMASK,

+    NX_DEVICELSHIFTKEYMASK, NX_DEVICERSHIFTKEYMASK,

+    NX_DEVICELCMDKEYMASK, NX_DEVICERCMDKEYMASK,

+    NX_DEVICELALTKEYMASK, NX_DEVICERALTKEYMASK,

+#else

+    NX_CONTROLMASK, NX_SHIFTMASK, NX_COMMANDMASK, NX_ALTERNATEMASK,

+#endif

+    NX_ALPHASHIFTMASK,

+    0

+};

+

+static int darwin_all_modifier_mask_additions[] = { NX_SECONDARYFNMASK, };

+

+static void DarwinUpdateModifiers(

+    int pressed,        // KeyPress or KeyRelease

+    int flags )         // modifier flags that have changed

+{

+    int *f;

+    int key;

+

+    /* Capslock is special.  This mask is the state of capslock (on/off),

+     * not the state of the button.  Hopefully we can find a better solution.

+     */

+    if(NX_ALPHASHIFTMASK & flags) {

+        DarwinPressModifierKey(KeyPress, NX_MODIFIERKEY_ALPHALOCK);

+        DarwinPressModifierKey(KeyRelease, NX_MODIFIERKEY_ALPHALOCK);

+    }

+    

+    for(f=darwin_x11_modifier_mask_list; *f; f++)

+        if(*f & flags && *f != NX_ALPHASHIFTMASK) {

+            key = DarwinModifierNXMaskToNXKey(*f);

+            if(key == -1)

+                ErrorF("DarwinUpdateModifiers: Unsupported NXMask: 0x%x\n", *f);

+            else

+                DarwinPressModifierKey(pressed, key);

+        }

+}

+

+/* Generic handler for Xquartz-specifc events.  When possible, these should

+   be moved into their own individual functions and set as handlers using

+   mieqSetHandler. */

+

+static void DarwinEventHandler(int screenNum, InternalEvent *ie, DeviceIntPtr dev) {

+    XQuartzEvent *e = &(ie->xquartz_event);

+

+    TA_SERVER();

+

+    switch(e->subtype) {

+        case kXquartzControllerNotify:

+            DEBUG_LOG("kXquartzControllerNotify\n");

+            AppleWMSendEvent(AppleWMControllerNotify,

+                             AppleWMControllerNotifyMask,

+                             e->data[0],

+                             e->data[1]);

+            break;

+            

+        case kXquartzPasteboardNotify:

+            DEBUG_LOG("kXquartzPasteboardNotify\n");

+            AppleWMSendEvent(AppleWMPasteboardNotify,

+                             AppleWMPasteboardNotifyMask,

+                             e->data[0],

+                             e->data[1]);

+            break;

+            

+        case kXquartzActivate:

+            DEBUG_LOG("kXquartzActivate\n");

+            QuartzShow();

+            AppleWMSendEvent(AppleWMActivationNotify,

+                             AppleWMActivationNotifyMask,

+                             AppleWMIsActive, 0);

+            break;

+            

+        case kXquartzDeactivate:

+            DEBUG_LOG("kXquartzDeactivate\n");

+            AppleWMSendEvent(AppleWMActivationNotify,

+                             AppleWMActivationNotifyMask,

+                             AppleWMIsInactive, 0);

+            QuartzHide();

+            break;

+

+        case kXquartzReloadPreferences:

+            DEBUG_LOG("kXquartzReloadPreferences\n");

+            AppleWMSendEvent(AppleWMActivationNotify,

+                             AppleWMActivationNotifyMask,

+                             AppleWMReloadPreferences, 0);

+            break;

+            

+        case kXquartzToggleFullscreen:

+            DEBUG_LOG("kXquartzToggleFullscreen\n");

+            if (quartzEnableRootless) 

+                QuartzSetFullscreen(!quartzHasRoot);

+            else if (quartzHasRoot)

+                QuartzHide();

+            else

+                QuartzShow();

+            break;

+            

+        case kXquartzSetRootless:

+            DEBUG_LOG("kXquartzSetRootless\n");

+            QuartzSetRootless(e->data[0]);

+            if (!quartzEnableRootless && !quartzHasRoot)

+                QuartzHide();

+            break;

+            

+        case kXquartzSetRootClip:

+            QuartzSetRootClip((Bool)e->data[0]);

+            break;

+            

+        case kXquartzQuit:

+            GiveUp(0);

+            break;

+            

+        case kXquartzSpaceChanged:

+            DEBUG_LOG("kXquartzSpaceChanged\n");

+            QuartzSpaceChanged(e->data[0]);

+            break;

+

+        case kXquartzListenOnOpenFD:

+            ErrorF("Calling ListenOnOpenFD() for new fd: %d\n", (int)e->data[0]);

+            ListenOnOpenFD((int)e->data[0], 1);

+            break;

+            

+        case kXquartzReloadKeymap:

+            DarwinKeyboardReloadHandler();

+            break;

+            

+        case kXquartzDisplayChanged:

+            QuartzUpdateScreens();

+            break;

+            

+        default:

+            if(!QuartzModeEventHandler(screenNum, e, dev))

+                ErrorF("Unknown application defined event type %d.\n", e->subtype);

+    }	

+}

+

+void DarwinListenOnOpenFD(int fd) {

+    ErrorF("DarwinListenOnOpenFD: %d\n", fd);

+    

+    pthread_mutex_lock(&fd_add_lock);

+    if(fd_add_count < FD_ADD_MAX)

+        fd_add[fd_add_count++] = fd;

+    else

+        ErrorF("FD Addition buffer at max.  Dropping fd addition request.\n");

+

+    pthread_cond_broadcast(&fd_add_ready_cond);

+    pthread_mutex_unlock(&fd_add_lock);

+}

+

+static void DarwinProcessFDAdditionQueue_thread(void *args) {

+    pthread_mutex_lock(&fd_add_lock);

+    while(true) {

+        while(fd_add_count) {

+            DarwinSendDDXEvent(kXquartzListenOnOpenFD, 1, fd_add[--fd_add_count]);

+        }

+        pthread_cond_wait(&fd_add_ready_cond, &fd_add_lock);

+    }

+}

+

+Bool DarwinEQInit(void) { 

+    int *p;

+

+    for(p=darwin_x11_modifier_mask_list, darwin_all_modifier_mask=0; *p; p++) {

+        darwin_x11_modifier_mask |= *p;

+    }

+    

+    for(p=darwin_all_modifier_mask_additions, darwin_all_modifier_mask= darwin_x11_modifier_mask; *p; p++) {

+        darwin_all_modifier_mask |= *p;

+    }

+    

+    mieqInit();

+    mieqSetHandler(ET_XQuartz, DarwinEventHandler);

+

+    /* Note that this *could* cause a potential async issue, since we're checking

+     * darwinEvents without holding the lock, but darwinEvents is only ever set

+     * here, so I don't bother.

+     */

+    if (!darwinEvents) {

+        darwinEvents = InitEventList(GetMaximumEventsNum());;

+        

+        if (!darwinEvents)

+            FatalError("Couldn't allocate event buffer\n");

+        

+        darwinEvents_lock();

+        pthread_cond_broadcast(&mieq_ready_cond);

+        darwinEvents_unlock();

+    }

+

+    if(!fd_add_tid)

+        fd_add_tid = create_thread(DarwinProcessFDAdditionQueue_thread, NULL);

+    

+    return TRUE;

+}

+

+/*

+ * ProcessInputEvents

+ *  Read and process events from the event queue until it is empty.

+ */

+void ProcessInputEvents(void) {

+    char nullbyte;

+	int x = sizeof(nullbyte);

+    

+    TA_SERVER();

+

+    mieqProcessInputEvents();

+

+    // Empty the signaling pipe

+    while (x == sizeof(nullbyte)) {

+      x = read(darwinEventReadFD, &nullbyte, sizeof(nullbyte));

+    }

+}

+

+/* Sends a null byte down darwinEventWriteFD, which will cause the

+   Dispatch() event loop to check out event queue */

+static void DarwinPokeEQ(void) {

+	char nullbyte=0;

+	//  <daniels> oh, i ... er ... christ.

+	write(darwinEventWriteFD, &nullbyte, sizeof(nullbyte));

+}

+

+/* Convert from Appkit pointer input values to X input values:

+ * Note: pointer_x and pointer_y are relative to the upper-left of primary

+ *       display.

+ */

+static void DarwinPrepareValuators(DeviceIntPtr pDev, int *valuators, ScreenPtr screen,

+                                   float pointer_x, float pointer_y, 

+                                   float pressure, float tilt_x, float tilt_y) {

+    /* Fix offset between darwin and X screens */

+    pointer_x -= darwinMainScreenX + screen->x;

+    pointer_y -= darwinMainScreenY + screen->y;

+

+    if(pointer_x < 0.0)

+        pointer_x = 0.0;

+

+    if(pointer_y < 0.0)

+        pointer_y = 0.0;

+    

+    if(pDev == darwinPointer) {

+        valuators[0] = pointer_x;

+        valuators[1] = pointer_y;

+        valuators[2] = 0;

+        valuators[3] = 0;

+        valuators[4] = 0;

+    } else {

+        /* Setup our array of values */

+        valuators[0] = XQUARTZ_VALUATOR_LIMIT * (pointer_x / (float)screenInfo.screens[0]->width);

+        valuators[1] = XQUARTZ_VALUATOR_LIMIT * (pointer_y / (float)screenInfo.screens[0]->height);

+        valuators[2] = XQUARTZ_VALUATOR_LIMIT * pressure;

+        valuators[3] = XQUARTZ_VALUATOR_LIMIT * tilt_x;

+        valuators[4] = XQUARTZ_VALUATOR_LIMIT * tilt_y;

+    }

+    //DEBUG_LOG("Pointer (%f, %f), Valuators: {%d,%d,%d,%d,%d}\n", pointer_x, pointer_y,

+    //          valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);

+}

+

+void DarwinSendPointerEvents(DeviceIntPtr pDev, int ev_type, int ev_button, float pointer_x, float pointer_y, 

+			     float pressure, float tilt_x, float tilt_y) {

+	static int darwinFakeMouseButtonDown = 0;

+	int i, num_events;

+    ScreenPtr screen;

+    int valuators[5];

+	

+    //DEBUG_LOG("x=%f, y=%f, p=%f, tx=%f, ty=%f\n", pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+    

+	if(!darwinEvents) {

+		DEBUG_LOG("DarwinSendPointerEvents called before darwinEvents was initialized\n");

+		return;

+	}

+

+    screen = miPointerGetScreen(pDev);

+    if(!screen) {

+        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");

+        return;

+    }

+

+    /* Handle fake click */

+	if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {

+        if(darwinFakeMouseButtonDown != 0) {

+            /* We're currently "down" with another button, so release it first */

+            DarwinSendPointerEvents(pDev, ButtonRelease, darwinFakeMouseButtonDown, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+            darwinFakeMouseButtonDown=0;

+        }

+		if (darwin_all_modifier_flags & darwinFakeMouse2Mask) {

+            ev_button = 2;

+			darwinFakeMouseButtonDown = 2;

+            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse2Mask);

+		} else if (darwin_all_modifier_flags & darwinFakeMouse3Mask) {

+            ev_button = 3;

+			darwinFakeMouseButtonDown = 3;

+            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse3Mask);

+		}

+	}

+

+	if (ev_type == ButtonRelease && ev_button == 1) {

+        if(darwinFakeMouseButtonDown) {

+            ev_button = darwinFakeMouseButtonDown;

+        }

+

+        if(darwinFakeMouseButtonDown == 2) {

+            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse2Mask);

+        } else if(darwinFakeMouseButtonDown == 3) {

+            DarwinUpdateModKeys(darwin_all_modifier_flags & ~darwinFakeMouse3Mask);

+        }

+

+        darwinFakeMouseButtonDown = 0;

+	}

+

+    DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+    darwinEvents_lock(); {

+        num_events = GetPointerEvents(darwinEvents, pDev, ev_type, ev_button, 

+                                      POINTER_ABSOLUTE, 0, pDev==darwinTabletCurrent?5:2, valuators);

+        for(i=0; i<num_events; i++) mieqEnqueue (pDev, (InternalEvent*)darwinEvents[i].event);

+        if(num_events > 0) DarwinPokeEQ();

+    } darwinEvents_unlock();

+}

+

+void DarwinSendKeyboardEvents(int ev_type, int keycode) {

+	int i, num_events;

+

+	if(!darwinEvents) {

+		DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");

+		return;

+	}

+

+    darwinEvents_lock(); {

+        num_events = GetKeyboardEvents(darwinEvents, darwinKeyboard, ev_type, keycode + MIN_KEYCODE);

+        for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard, (InternalEvent*)darwinEvents[i].event);

+        if(num_events > 0) DarwinPokeEQ();

+    } darwinEvents_unlock();

+}

+

+void DarwinSendProximityEvents(int ev_type, float pointer_x, float pointer_y) {

+	int i, num_events;

+    ScreenPtr screen;

+    DeviceIntPtr pDev = darwinTabletCurrent;

+    int valuators[5];

+

+	DEBUG_LOG("DarwinSendProximityEvents(%d, %f, %f)\n", ev_type, pointer_x, pointer_y);

+

+	if(!darwinEvents) {

+		DEBUG_LOG("DarwinSendProximityEvents called before darwinEvents was initialized\n");

+		return;

+	}

+    

+    screen = miPointerGetScreen(pDev);

+    if(!screen) {

+        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");

+        return;

+    }    

+

+    DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, 0.0f, 0.0f, 0.0f);

+    darwinEvents_lock(); {

+        num_events = GetProximityEvents(darwinEvents, pDev, ev_type,

+                                        0, 5, valuators);

+        for(i=0; i<num_events; i++) mieqEnqueue (pDev, (InternalEvent*)darwinEvents[i].event);

+        if(num_events > 0) DarwinPokeEQ();

+    } darwinEvents_unlock();

+}

+

+

+/* Send the appropriate number of button clicks to emulate scroll wheel */

+void DarwinSendScrollEvents(float count_x, float count_y, 

+							float pointer_x, float pointer_y, 

+			    			float pressure, float tilt_x, float tilt_y) {

+	int sign_x, sign_y;

+	if(!darwinEvents) {

+		DEBUG_LOG("DarwinSendScrollEvents called before darwinEvents was initialized\n");

+		return;

+	}

+

+	sign_x = count_x > 0.0f ? SCROLLWHEELLEFTFAKE : SCROLLWHEELRIGHTFAKE;

+	sign_y = count_y > 0.0f ? SCROLLWHEELUPFAKE : SCROLLWHEELDOWNFAKE;

+	count_x = fabs(count_x);

+	count_y = fabs(count_y);

+	

+	while ((count_x > 0.0f) || (count_y > 0.0f)) {

+		if (count_x > 0.0f) {

+			DarwinSendPointerEvents(darwinPointer, ButtonPress, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+			DarwinSendPointerEvents(darwinPointer, ButtonRelease, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+			count_x = count_x - 1.0f;

+		}

+		if (count_y > 0.0f) {

+			DarwinSendPointerEvents(darwinPointer, ButtonPress, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+			DarwinSendPointerEvents(darwinPointer, ButtonRelease, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);

+			count_y = count_y - 1.0f;

+		}

+	}

+}

+

+/* Send the appropriate KeyPress/KeyRelease events to GetKeyboardEvents to

+   reflect changing modifier flags (alt, control, meta, etc) */

+void DarwinUpdateModKeys(int flags) {

+	DarwinUpdateModifiers(KeyRelease, darwin_all_modifier_flags & ~flags & darwin_x11_modifier_mask);

+	DarwinUpdateModifiers(KeyPress, ~darwin_all_modifier_flags & flags & darwin_x11_modifier_mask);

+	darwin_all_modifier_flags = flags;

+}

+

+/*

+ * DarwinSendDDXEvent

+ *  Send the X server thread a message by placing it on the event queue.

+ */

+void DarwinSendDDXEvent(int type, int argc, ...) {

+    XQuartzEvent e;

+    int i;

+    va_list args;

+

+    memset(&e, 0, sizeof(e));

+    e.header = ET_Internal;

+    e.type = ET_XQuartz;

+    e.length = sizeof(e);

+    e.time = GetTimeInMillis();

+    e.subtype = type;

+

+    if (argc > 0 && argc < XQUARTZ_EVENT_MAXARGS) {

+        va_start (args, argc);

+        for (i = 0; i < argc; i++)

+            e.data[i] = (uint32_t) va_arg (args, uint32_t);

+        va_end (args);

+    }

+

+    darwinEvents_lock(); {

+        mieqEnqueue(NULL, (InternalEvent*)&e);

+        DarwinPokeEQ();

+    } darwinEvents_unlock();

+}