693 lines
20 KiB
C
693 lines
20 KiB
C
/*
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* Darwin event queue and event handling
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*
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* Copyright 2007-2008 Apple Inc.
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* Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved.
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* Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
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*
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* This file is based on mieq.c by Keith Packard,
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* which contains the following copyright:
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* Copyright 1990, 1998 The Open Group
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*
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*
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* Copyright (c) 2002-2012 Apple Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
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* HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above
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* copyright holders shall not be used in advertising or otherwise to
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* promote the sale, use or other dealings in this Software without
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* prior written authorization.
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*/
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#include "sanitizedCarbon.h"
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xmd.h>
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "windowstr.h"
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#include "pixmapstr.h"
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#include "inputstr.h"
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#include "inpututils.h"
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#include "eventstr.h"
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#include "mi.h"
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#include "scrnintstr.h"
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#include "mipointer.h"
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#include "os.h"
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#include "exglobals.h"
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#include "darwin.h"
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#include "quartz.h"
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#include "quartzKeyboard.h"
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#include "quartzRandR.h"
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#include "darwinEvents.h"
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <errno.h>
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#include <time.h>
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#include <IOKit/hidsystem/IOLLEvent.h>
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#include <X11/extensions/applewmconst.h>
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#include "applewmExt.h"
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/* FIXME: Abstract this better */
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extern Bool
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QuartzModeEventHandler(int screenNum, XQuartzEvent *e, DeviceIntPtr dev);
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int darwin_all_modifier_flags = 0; // last known modifier state
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int darwin_all_modifier_mask = 0;
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int darwin_x11_modifier_mask = 0;
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#define FD_ADD_MAX 128
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static int fd_add[FD_ADD_MAX];
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int fd_add_count = 0;
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static pthread_mutex_t fd_add_lock = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t fd_add_ready_cond = PTHREAD_COND_INITIALIZER;
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static pthread_t fd_add_tid = NULL;
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static InternalEvent* darwinEvents = NULL;
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static pthread_mutex_t mieq_lock = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t mieq_ready_cond = PTHREAD_COND_INITIALIZER;
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/*** Pthread Magics ***/
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static pthread_t
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create_thread(void *(*func)(void *), void *arg)
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{
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pthread_attr_t attr;
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pthread_t tid;
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pthread_attr_init(&attr);
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pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_create(&tid, &attr, func, arg);
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pthread_attr_destroy(&attr);
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return tid;
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}
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void
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darwinEvents_lock(void);
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void
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darwinEvents_lock(void)
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{
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int err;
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if ((err = pthread_mutex_lock(&mieq_lock))) {
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ErrorF("%s:%s:%d: Failed to lock mieq_lock: %d\n",
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__FILE__, __FUNCTION__, __LINE__, err);
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xorg_backtrace();
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}
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if (darwinEvents == NULL) {
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pthread_cond_wait(&mieq_ready_cond, &mieq_lock);
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}
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}
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void
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darwinEvents_unlock(void);
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void
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darwinEvents_unlock(void)
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{
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int err;
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if ((err = pthread_mutex_unlock(&mieq_lock))) {
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ErrorF("%s:%s:%d: Failed to unlock mieq_lock: %d\n",
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__FILE__, __FUNCTION__, __LINE__, err);
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xorg_backtrace();
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}
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}
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/*
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* DarwinPressModifierKey
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* Press or release the given modifier key (one of NX_MODIFIERKEY_* constants)
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*/
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static void
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DarwinPressModifierKey(int pressed, int key)
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{
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int keycode = DarwinModifierNXKeyToNXKeycode(key, 0);
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if (keycode == 0) {
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ErrorF("DarwinPressModifierKey bad keycode: key=%d\n", key);
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return;
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}
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DarwinSendKeyboardEvents(pressed, keycode);
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}
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/*
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* DarwinUpdateModifiers
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* Send events to update the modifier state.
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*/
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static int darwin_x11_modifier_mask_list[] = {
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#ifdef NX_DEVICELCMDKEYMASK
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NX_DEVICELCTLKEYMASK, NX_DEVICERCTLKEYMASK,
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NX_DEVICELSHIFTKEYMASK, NX_DEVICERSHIFTKEYMASK,
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NX_DEVICELCMDKEYMASK, NX_DEVICERCMDKEYMASK,
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NX_DEVICELALTKEYMASK, NX_DEVICERALTKEYMASK,
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#else
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NX_CONTROLMASK, NX_SHIFTMASK, NX_COMMANDMASK,
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NX_ALTERNATEMASK,
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#endif
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NX_ALPHASHIFTMASK,
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0
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};
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static int darwin_all_modifier_mask_additions[] = { NX_SECONDARYFNMASK, 0 };
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static void
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DarwinUpdateModifiers(int pressed, // KeyPress or KeyRelease
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int flags) // modifier flags that have changed
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{
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int *f;
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int key;
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/* Capslock is special. This mask is the state of capslock (on/off),
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* not the state of the button. Hopefully we can find a better solution.
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*/
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if (NX_ALPHASHIFTMASK & flags) {
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DarwinPressModifierKey(KeyPress, NX_MODIFIERKEY_ALPHALOCK);
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DarwinPressModifierKey(KeyRelease, NX_MODIFIERKEY_ALPHALOCK);
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}
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for (f = darwin_x11_modifier_mask_list; *f; f++)
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if (*f & flags && *f != NX_ALPHASHIFTMASK) {
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key = DarwinModifierNXMaskToNXKey(*f);
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if (key == -1)
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ErrorF("DarwinUpdateModifiers: Unsupported NXMask: 0x%x\n",
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*f);
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else
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DarwinPressModifierKey(pressed, key);
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}
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}
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/* Generic handler for Xquartz-specifc events. When possible, these should
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be moved into their own individual functions and set as handlers using
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mieqSetHandler. */
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static void
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DarwinEventHandler(int screenNum, InternalEvent *ie, DeviceIntPtr dev)
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{
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XQuartzEvent *e = &(ie->xquartz_event);
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switch (e->subtype) {
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case kXquartzControllerNotify:
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DEBUG_LOG("kXquartzControllerNotify\n");
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AppleWMSendEvent(AppleWMControllerNotify,
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AppleWMControllerNotifyMask,
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e->data[0],
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e->data[1]);
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break;
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case kXquartzPasteboardNotify:
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DEBUG_LOG("kXquartzPasteboardNotify\n");
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AppleWMSendEvent(AppleWMPasteboardNotify,
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AppleWMPasteboardNotifyMask,
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e->data[0],
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e->data[1]);
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break;
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case kXquartzActivate:
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DEBUG_LOG("kXquartzActivate\n");
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QuartzShow();
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AppleWMSendEvent(AppleWMActivationNotify,
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AppleWMActivationNotifyMask,
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AppleWMIsActive, 0);
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break;
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case kXquartzDeactivate:
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DEBUG_LOG("kXquartzDeactivate\n");
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AppleWMSendEvent(AppleWMActivationNotify,
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AppleWMActivationNotifyMask,
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AppleWMIsInactive, 0);
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QuartzHide();
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break;
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case kXquartzReloadPreferences:
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DEBUG_LOG("kXquartzReloadPreferences\n");
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AppleWMSendEvent(AppleWMActivationNotify,
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AppleWMActivationNotifyMask,
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AppleWMReloadPreferences, 0);
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break;
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case kXquartzToggleFullscreen:
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DEBUG_LOG("kXquartzToggleFullscreen\n");
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if (XQuartzIsRootless)
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ErrorF(
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"Ignoring kXquartzToggleFullscreen because of rootless mode.");
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else
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QuartzRandRToggleFullscreen();
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break;
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case kXquartzSetRootless:
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DEBUG_LOG("kXquartzSetRootless\n");
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if (e->data[0]) {
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QuartzRandRSetFakeRootless();
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}
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else {
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QuartzRandRSetFakeFullscreen(FALSE);
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}
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break;
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case kXquartzSetRootClip:
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QuartzSetRootClip((Bool)e->data[0]);
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break;
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case kXquartzQuit:
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GiveUp(0);
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break;
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case kXquartzSpaceChanged:
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DEBUG_LOG("kXquartzSpaceChanged\n");
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QuartzSpaceChanged(e->data[0]);
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break;
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case kXquartzListenOnOpenFD:
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ErrorF("Calling ListenOnOpenFD() for new fd: %d\n", (int)e->data[0]);
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ListenOnOpenFD((int)e->data[0], 1);
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break;
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case kXquartzReloadKeymap:
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DarwinKeyboardReloadHandler();
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break;
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case kXquartzDisplayChanged:
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DEBUG_LOG("kXquartzDisplayChanged\n");
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QuartzUpdateScreens();
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/* Update our RandR info */
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QuartzRandRUpdateFakeModes(TRUE);
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break;
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default:
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if (!QuartzModeEventHandler(screenNum, e, dev))
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ErrorF("Unknown application defined event type %d.\n", e->subtype);
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}
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}
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void
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DarwinListenOnOpenFD(int fd)
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{
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ErrorF("DarwinListenOnOpenFD: %d\n", fd);
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pthread_mutex_lock(&fd_add_lock);
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if (fd_add_count < FD_ADD_MAX)
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fd_add[fd_add_count++] = fd;
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else
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ErrorF("FD Addition buffer at max. Dropping fd addition request.\n");
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pthread_cond_broadcast(&fd_add_ready_cond);
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pthread_mutex_unlock(&fd_add_lock);
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}
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static void *
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DarwinProcessFDAdditionQueue_thread(void *args)
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{
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/* TODO: Possibly adjust this to no longer be a race... maybe trigger this
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* once a client connects and claims to be the WM.
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*
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* From ajax:
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* There's already an internal callback chain for setting selection [in 1.5]
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* ownership. See the CallSelectionCallback at the bottom of
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* ProcSetSelectionOwner, and xfixes/select.c for an example of how to hook
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* into it.
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*/
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struct timespec sleep_for;
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struct timespec sleep_remaining;
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sleep_for.tv_sec = 3;
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sleep_for.tv_nsec = 0;
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ErrorF(
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"X11.app: DarwinProcessFDAdditionQueue_thread: Sleeping to allow xinitrc to catchup.\n");
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while (nanosleep(&sleep_for, &sleep_remaining) != 0) {
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sleep_for = sleep_remaining;
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}
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pthread_mutex_lock(&fd_add_lock);
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while (true) {
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while (fd_add_count) {
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DarwinSendDDXEvent(kXquartzListenOnOpenFD, 1,
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fd_add[--fd_add_count]);
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}
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pthread_cond_wait(&fd_add_ready_cond, &fd_add_lock);
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}
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return NULL;
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}
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Bool
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DarwinEQInit(void)
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{
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int *p;
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for (p = darwin_x11_modifier_mask_list; *p; p++) {
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darwin_x11_modifier_mask |= *p;
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}
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darwin_all_modifier_mask = darwin_x11_modifier_mask;
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for (p = darwin_all_modifier_mask_additions; *p; p++) {
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darwin_all_modifier_mask |= *p;
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}
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mieqInit();
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mieqSetHandler(ET_XQuartz, DarwinEventHandler);
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/* Note that this *could* cause a potential async issue, since we're checking
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* darwinEvents without holding the lock, but darwinEvents is only ever set
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* here, so I don't bother.
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*/
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if (!darwinEvents) {
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darwinEvents = InitEventList(GetMaximumEventsNum());
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if (!darwinEvents)
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FatalError("Couldn't allocate event buffer\n");
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darwinEvents_lock();
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pthread_cond_broadcast(&mieq_ready_cond);
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darwinEvents_unlock();
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}
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if (!fd_add_tid)
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fd_add_tid = create_thread(DarwinProcessFDAdditionQueue_thread, NULL);
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return TRUE;
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}
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void
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DarwinEQFini(void)
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{
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mieqFini();
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}
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/*
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* ProcessInputEvents
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* Read and process events from the event queue until it is empty.
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*/
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void
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ProcessInputEvents(void)
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{
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char nullbyte;
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int x = sizeof(nullbyte);
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mieqProcessInputEvents();
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// Empty the signaling pipe
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while (x == sizeof(nullbyte)) {
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x = read(darwinEventReadFD, &nullbyte, sizeof(nullbyte));
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}
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}
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/* Sends a null byte down darwinEventWriteFD, which will cause the
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Dispatch() event loop to check out event queue */
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static void
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DarwinPokeEQ(void)
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{
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char nullbyte = 0;
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// <daniels> oh, i ... er ... christ.
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write(darwinEventWriteFD, &nullbyte, sizeof(nullbyte));
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}
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void
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DarwinInputReleaseButtonsAndKeys(DeviceIntPtr pDev)
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{
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darwinEvents_lock();
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{
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int i;
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if (pDev->button) {
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for (i = 0; i < pDev->button->numButtons; i++) {
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if (BitIsOn(pDev->button->down, i)) {
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QueuePointerEvents(pDev, ButtonRelease, i,
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POINTER_ABSOLUTE,
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NULL);
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}
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}
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}
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if (pDev->key) {
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for (i = 0; i < NUM_KEYCODES; i++) {
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if (BitIsOn(pDev->key->down, i + MIN_KEYCODE)) {
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QueueKeyboardEvents(pDev, KeyRelease, i + MIN_KEYCODE,
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NULL);
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}
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}
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}
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DarwinPokeEQ();
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} darwinEvents_unlock();
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}
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void
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DarwinSendTabletEvents(DeviceIntPtr pDev, int ev_type, int ev_button,
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double pointer_x, double pointer_y,
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double pressure, double tilt_x,
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double tilt_y)
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{
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ScreenPtr screen;
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ValuatorMask valuators;
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if (!darwinEvents) {
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DEBUG_LOG("%s called before darwinEvents was initialized\n",
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__FUNCTION__);
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return;
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}
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screen = miPointerGetScreen(pDev);
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if (!screen) {
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DEBUG_LOG("%s called before screen was initialized\n",
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__FUNCTION__);
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return;
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}
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/* Fix offset between darwin and X screens */
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pointer_x -= darwinMainScreenX + screen->x;
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pointer_y -= darwinMainScreenY + screen->y;
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/* Adjust our pointer location to the [0,1] range */
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pointer_x = pointer_x / (double)screenInfo.width;
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pointer_y = pointer_y / (double)screenInfo.height;
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valuator_mask_zero(&valuators);
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valuator_mask_set_double(&valuators, 0, XQUARTZ_VALUATOR_LIMIT * pointer_x);
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valuator_mask_set_double(&valuators, 1, XQUARTZ_VALUATOR_LIMIT * pointer_y);
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valuator_mask_set_double(&valuators, 2, XQUARTZ_VALUATOR_LIMIT * pressure);
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valuator_mask_set_double(&valuators, 3, XQUARTZ_VALUATOR_LIMIT * tilt_x);
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valuator_mask_set_double(&valuators, 4, XQUARTZ_VALUATOR_LIMIT * tilt_y);
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darwinEvents_lock();
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{
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if (ev_type == ProximityIn || ev_type == ProximityOut) {
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QueueProximityEvents(pDev, ev_type, &valuators);
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} else {
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QueuePointerEvents(pDev, ev_type, ev_button, POINTER_ABSOLUTE,
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&valuators);
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}
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DarwinPokeEQ();
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} darwinEvents_unlock();
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}
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void
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DarwinSendPointerEvents(DeviceIntPtr pDev, int ev_type, int ev_button,
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double pointer_x, double pointer_y,
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double pointer_dx, double pointer_dy)
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{
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static int darwinFakeMouseButtonDown = 0;
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ScreenPtr screen;
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ValuatorMask valuators;
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if (!darwinEvents) {
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DEBUG_LOG("%s called before darwinEvents was initialized\n",
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__FUNCTION__);
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return;
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}
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screen = miPointerGetScreen(pDev);
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if (!screen) {
|
|
DEBUG_LOG("%s called before screen was initialized\n",
|
|
__FUNCTION__);
|
|
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, 0.0, 0.0);
|
|
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;
|
|
}
|
|
|
|
/* Fix offset between darwin and X screens */
|
|
pointer_x -= darwinMainScreenX + screen->x;
|
|
pointer_y -= darwinMainScreenY + screen->y;
|
|
|
|
valuator_mask_zero(&valuators);
|
|
valuator_mask_set_double(&valuators, 0, pointer_x);
|
|
valuator_mask_set_double(&valuators, 1, pointer_y);
|
|
|
|
if (ev_type == MotionNotify) {
|
|
if (pointer_dx != 0.0)
|
|
valuator_mask_set_double(&valuators, 2, pointer_dx);
|
|
if (pointer_dy != 0.0)
|
|
valuator_mask_set_double(&valuators, 3, pointer_dy);
|
|
}
|
|
|
|
darwinEvents_lock();
|
|
{
|
|
QueuePointerEvents(pDev, ev_type, ev_button, POINTER_ABSOLUTE,
|
|
&valuators);
|
|
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();
|
|
}
|
|
|
|
/* Send the appropriate number of button clicks to emulate scroll wheel */
|
|
void
|
|
DarwinSendScrollEvents(double scroll_x, double scroll_y) {
|
|
ScreenPtr screen;
|
|
ValuatorMask valuators;
|
|
|
|
if (!darwinEvents) {
|
|
DEBUG_LOG(
|
|
"DarwinSendScrollEvents called before darwinEvents was initialized\n");
|
|
return;
|
|
}
|
|
|
|
screen = miPointerGetScreen(darwinPointer);
|
|
if (!screen) {
|
|
DEBUG_LOG(
|
|
"DarwinSendScrollEvents called before screen was initialized\n");
|
|
return;
|
|
}
|
|
|
|
valuator_mask_zero(&valuators);
|
|
valuator_mask_set_double(&valuators, 4, scroll_y);
|
|
valuator_mask_set_double(&valuators, 5, scroll_x);
|
|
|
|
darwinEvents_lock();
|
|
{
|
|
QueuePointerEvents(darwinPointer, MotionNotify, 0,
|
|
POINTER_RELATIVE, &valuators);
|
|
DarwinPokeEQ();
|
|
} darwinEvents_unlock();
|
|
}
|
|
|
|
/* 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();
|
|
}
|