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-rw-r--r--xorg-server/hw/xquartz/darwinEvents.c1194
1 files changed, 609 insertions, 585 deletions
diff --git a/xorg-server/hw/xquartz/darwinEvents.c b/xorg-server/hw/xquartz/darwinEvents.c
index 16fec4a01..b591f7728 100644
--- a/xorg-server/hw/xquartz/darwinEvents.c
+++ b/xorg-server/hw/xquartz/darwinEvents.c
@@ -1,585 +1,609 @@
-/*
-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 "inpututils.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 "quartzRandR.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(XQuartzIsRootless)
- ErrorF("Ignoring kXquartzToggleFullscreen because of rootless mode.");
- else
- QuartzRandRToggleFullscreen();
- break;
-
- case kXquartzSetRootless:
- DEBUG_LOG("kXquartzSetRootless\n");
- if(e->data[0]) {
- QuartzRandRSetFakeRootless();
- } else {
- QuartzRandRSetFakeFullscreen(FALSE);
- }
- 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:
- DEBUG_LOG("kXquartzDisplayChanged\n");
- QuartzUpdateScreens();
-
- /* Update our RandR info */
- QuartzRandRUpdateFakeModes(TRUE);
- 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(); {
- ValuatorMask mask;
- valuator_mask_set_range(&mask, 0, (pDev == darwinTabletCurrent) ? 5 : 2, valuators);
- num_events = GetPointerEvents(darwinEvents, pDev, ev_type, ev_button,
- POINTER_ABSOLUTE, &mask);
- 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(); {
- ValuatorMask mask;
- valuator_mask_set_range(&mask, 0, 5, valuators);
- num_events = GetProximityEvents(darwinEvents, pDev, ev_type, &mask);
- 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 "inpututils.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 "quartzRandR.h"
+#include "darwinEvents.h"
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <errno.h>
+#include <time.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 *), 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(XQuartzIsRootless)
+ ErrorF("Ignoring kXquartzToggleFullscreen because of rootless mode.");
+ else
+ QuartzRandRToggleFullscreen();
+ break;
+
+ case kXquartzSetRootless:
+ DEBUG_LOG("kXquartzSetRootless\n");
+ if(e->data[0]) {
+ QuartzRandRSetFakeRootless();
+ } else {
+ QuartzRandRSetFakeFullscreen(FALSE);
+ }
+ 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:
+ DEBUG_LOG("kXquartzDisplayChanged\n");
+ QuartzUpdateScreens();
+
+ /* Update our RandR info */
+ QuartzRandRUpdateFakeModes(TRUE);
+ 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) {
+ /* TODO: Possibly adjust this to no longer be a race... maybe trigger this
+ * once a client connects and claims to be the WM.
+ *
+ * From ajax:
+ * There's already an internal callback chain for setting selection [in 1.5]
+ * ownership. See the CallSelectionCallback at the bottom of
+ * ProcSetSelectionOwner, and xfixes/select.c for an example of how to hook
+ * into it.
+ */
+
+ struct timespec sleep_for;
+ struct timespec sleep_remaining;
+
+ sleep_for.tv_sec = 3;
+ sleep_for.tv_nsec = 0;
+
+ ErrorF("X11.app: DarwinProcessFDAdditionQueue_thread: Sleeping to allow xinitrc to catchup.\n");
+ while(nanosleep(&sleep_for, &sleep_remaining) != 0) {
+ sleep_for = sleep_remaining;
+ }
+
+ 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);
+ }
+
+ return NULL;
+}
+
+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(); {
+ ValuatorMask mask;
+ valuator_mask_set_range(&mask, 0, (pDev == darwinPointer) ? 2 : 5, valuators);
+ num_events = GetPointerEvents(darwinEvents, pDev, ev_type, ev_button,
+ POINTER_ABSOLUTE, &mask);
+ 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, NULL);
+ for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard, (InternalEvent*)darwinEvents[i].event);
+ if(num_events > 0) DarwinPokeEQ();
+ } darwinEvents_unlock();
+}
+
+void DarwinSendProximityEvents(DeviceIntPtr pDev, int ev_type, float pointer_x, float pointer_y,
+ float pressure, float tilt_x, float tilt_y) {
+ int i, num_events;
+ ScreenPtr screen;
+ int valuators[5];
+
+ DEBUG_LOG("DarwinSendProximityEvents: %d l:%f,%f p:%f t:%f,%f\n", ev_type, pointer_x, pointer_y, pressure, tilt_x, tilt_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, pressure, tilt_x, tilt_y);
+ darwinEvents_lock(); {
+ ValuatorMask mask;
+ valuator_mask_set_range(&mask, 0, 5, valuators);
+ num_events = GetProximityEvents(darwinEvents, pDev, ev_type, &mask);
+ 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();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 20:50:20 +0000