diff options
Diffstat (limited to 'xorg-server/hw/xquartz/darwinEvents.c')
| -rw-r--r-- | xorg-server/hw/xquartz/darwinEvents.c | 1204 |
1 files changed, 602 insertions, 602 deletions
diff --git a/xorg-server/hw/xquartz/darwinEvents.c b/xorg-server/hw/xquartz/darwinEvents.c index 8f39a39a7..c367e3c1c 100644 --- a/xorg-server/hw/xquartz/darwinEvents.c +++ b/xorg-server/hw/xquartz/darwinEvents.c @@ -1,602 +1,602 @@ -/*
-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 InternalEvent* 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);
- xorg_backtrace();
- }
- 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);
- xorg_backtrace();
- }
-}
-
-/*
- * 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);
-
- 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;
-}
-
-void DarwinEQFini(void) {
- mieqFini();
-}
-
-/*
- * ProcessInputEvents
- * Read and process events from the event queue until it is empty.
- */
-void ProcessInputEvents(void) {
- char nullbyte;
- int x = sizeof(nullbyte);
-
- 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;
- 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);
- QueuePointerEvents(pDev, ev_type, ev_button, POINTER_ABSOLUTE, &mask);
- DarwinPokeEQ();
- } darwinEvents_unlock();
-}
-
-void DarwinSendKeyboardEvents(int ev_type, int keycode) {
-
- if(!darwinEvents) {
- DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");
- return;
- }
-
- darwinEvents_lock(); {
- QueueKeyboardEvents(darwinKeyboard, ev_type, keycode + MIN_KEYCODE, NULL);
- DarwinPokeEQ();
- } darwinEvents_unlock();
-}
-
-void DarwinSendProximityEvents(DeviceIntPtr pDev, int ev_type, float pointer_x, float pointer_y,
- float pressure, float tilt_x, float tilt_y) {
- 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);
- QueueProximityEvents(pDev, ev_type, &mask);
- 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 InternalEvent* 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); + xorg_backtrace(); + } + 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); + xorg_backtrace(); + } +} + +/* + * 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); + + 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; +} + +void DarwinEQFini(void) { + mieqFini(); +} + +/* + * ProcessInputEvents + * Read and process events from the event queue until it is empty. + */ +void ProcessInputEvents(void) { + char nullbyte; + int x = sizeof(nullbyte); + + 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; + 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); + QueuePointerEvents(pDev, ev_type, ev_button, POINTER_ABSOLUTE, &mask); + DarwinPokeEQ(); + } darwinEvents_unlock(); +} + +void DarwinSendKeyboardEvents(int ev_type, int keycode) { + + if(!darwinEvents) { + DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n"); + return; + } + + darwinEvents_lock(); { + QueueKeyboardEvents(darwinKeyboard, ev_type, keycode + MIN_KEYCODE, NULL); + DarwinPokeEQ(); + } darwinEvents_unlock(); +} + +void DarwinSendProximityEvents(DeviceIntPtr pDev, int ev_type, float pointer_x, float pointer_y, + float pressure, float tilt_x, float tilt_y) { + 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); + QueueProximityEvents(pDev, ev_type, &mask); + 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(); +} |