579 lines
20 KiB
C
579 lines
20 KiB
C
/*
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Darwin event queue and event handling
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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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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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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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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 "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 "darwin.h"
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#include "quartz.h"
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#include "quartzKeyboard.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 <IOKit/hidsystem/IOLLEvent.h>
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/* Fake button press/release for scroll wheel move. */
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#define SCROLLWHEELUPFAKE 4
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#define SCROLLWHEELDOWNFAKE 5
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#define SCROLLWHEELLEFTFAKE 6
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#define SCROLLWHEELRIGHTFAKE 7
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#define _APPLEWM_SERVER_
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#include "applewmExt.h"
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#include <X11/extensions/applewm.h>
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/* FIXME: Abstract this better */
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void QuartzModeEQInit(void);
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int darwin_modifier_flags = 0; // last known modifier state
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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 EventList *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 create_thread(void *func, void *arg) {
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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 darwinEvents_lock(void);
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void darwinEvents_lock(void) {
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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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spewCallStack();
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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 darwinEvents_unlock(void);
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void darwinEvents_unlock(void) {
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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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spewCallStack();
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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 DarwinPressModifierKey(int pressed, int key) {
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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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int darwin_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, NX_ALTERNATEMASK,
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#endif
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0
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};
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static void DarwinUpdateModifiers(
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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_modifier_mask_list; *f; f++)
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if(*f & flags) {
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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", *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 DarwinEventHandler(int screenNum, xEventPtr xe, DeviceIntPtr dev, int nevents) {
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int i;
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TA_SERVER();
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// DEBUG_LOG("DarwinEventHandler(%d, %p, %p, %d)\n", screenNum, xe, dev, nevents);
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for (i=0; i<nevents; i++) {
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switch(xe[i].u.u.type) {
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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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xe[i].u.clientMessage.u.l.longs0,
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xe[i].u.clientMessage.u.l.longs1);
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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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xe[i].u.clientMessage.u.l.longs0,
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xe[i].u.clientMessage.u.l.longs1);
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break;
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case kXquartzActivate:
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DEBUG_LOG("kXquartzActivate\n");
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QuartzShow(xe[i].u.keyButtonPointer.rootX,
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xe[i].u.keyButtonPointer.rootY);
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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 (quartzEnableRootless)
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QuartzSetFullscreen(!quartzHasRoot);
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else if (quartzHasRoot)
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QuartzHide();
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else
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QuartzShow(xe[i].u.keyButtonPointer.rootX,
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xe[i].u.keyButtonPointer.rootY);
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break;
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case kXquartzSetRootless:
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DEBUG_LOG("kXquartzSetRootless\n");
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QuartzSetRootless(xe[i].u.clientMessage.u.l.longs0);
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if (!quartzEnableRootless && !quartzHasRoot)
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QuartzHide();
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break;
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case kXquartzSetRootClip:
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QuartzSetRootClip((Bool)xe[i].u.clientMessage.u.l.longs0);
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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(xe[i].u.clientMessage.u.l.longs0);
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break;
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default:
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ErrorF("Unknown application defined event type %d.\n", xe[i].u.u.type);
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}
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}
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}
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void DarwinListenOnOpenFD(int fd) {
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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 DarwinProcessFDAdditionQueue_thread(void *args) {
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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, 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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}
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static void kXquartzListenOnOpenFDHandler(int screenNum, xEventPtr xe, DeviceIntPtr dev, int nevents) {
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size_t i;
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TA_SERVER();
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for (i=0; i<nevents; i++) {
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ErrorF("Calling ListenOnOpenFD() for new fd: %d\n", (int)xe[i].u.clientMessage.u.l.longs0);
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ListenOnOpenFD((int)xe[i].u.clientMessage.u.l.longs0, 1);
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}
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}
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Bool DarwinEQInit(void) {
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mieqInit();
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mieqSetHandler(kXquartzReloadKeymap, DarwinKeyboardReloadHandler);
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mieqSetHandler(kXquartzActivate, DarwinEventHandler);
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mieqSetHandler(kXquartzDeactivate, DarwinEventHandler);
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mieqSetHandler(kXquartzReloadPreferences, DarwinEventHandler);
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mieqSetHandler(kXquartzSetRootClip, DarwinEventHandler);
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mieqSetHandler(kXquartzQuit, DarwinEventHandler);
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mieqSetHandler(kXquartzReadPasteboard, QuartzReadPasteboard);
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mieqSetHandler(kXquartzWritePasteboard, QuartzWritePasteboard);
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mieqSetHandler(kXquartzToggleFullscreen, DarwinEventHandler);
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mieqSetHandler(kXquartzSetRootless, DarwinEventHandler);
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mieqSetHandler(kXquartzSpaceChanged, DarwinEventHandler);
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mieqSetHandler(kXquartzControllerNotify, DarwinEventHandler);
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mieqSetHandler(kXquartzPasteboardNotify, DarwinEventHandler);
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mieqSetHandler(kXquartzDisplayChanged, QuartzDisplayChangedHandler);
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mieqSetHandler(kXquartzListenOnOpenFD, kXquartzListenOnOpenFDHandler);
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QuartzModeEQInit();
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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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/*
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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 ProcessInputEvents(void) {
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xEvent xe;
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int x = sizeof(xe);
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TA_SERVER();
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mieqProcessInputEvents();
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// Empty the signaling pipe
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while (x == sizeof(xe)) {
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x = read(darwinEventReadFD, &xe, sizeof(xe));
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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 DarwinPokeEQ(void) {
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char nullbyte=0;
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// <daniels> oh, i ... er ... christ.
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write(darwinEventWriteFD, &nullbyte, 1);
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}
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/* Convert from Appkit pointer input values to X input values:
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* Note: pointer_x and pointer_y are relative to the upper-left of primary
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* display.
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*/
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static void DarwinPrepareValuators(DeviceIntPtr pDev, int *valuators, ScreenPtr screen,
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float pointer_x, float pointer_y,
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float pressure, float tilt_x, float tilt_y) {
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/* Fix offset between darwin and X screens */
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pointer_x -= darwinMainScreenX + dixScreenOrigins[screen->myNum].x;
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pointer_y -= darwinMainScreenY + dixScreenOrigins[screen->myNum].y;
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if(pointer_x < 0.0)
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pointer_x = 0.0;
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if(pointer_y < 0.0)
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pointer_y = 0.0;
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if(pDev == darwinPointer) {
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valuators[0] = pointer_x;
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valuators[1] = pointer_y;
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valuators[2] = 0;
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valuators[3] = 0;
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valuators[4] = 0;
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} else {
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/* Setup our array of values */
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valuators[0] = XQUARTZ_VALUATOR_LIMIT * (pointer_x / (float)screenInfo.screens[0]->width);
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valuators[1] = XQUARTZ_VALUATOR_LIMIT * (pointer_y / (float)screenInfo.screens[0]->height);
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valuators[2] = XQUARTZ_VALUATOR_LIMIT * pressure;
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valuators[3] = XQUARTZ_VALUATOR_LIMIT * tilt_x;
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valuators[4] = XQUARTZ_VALUATOR_LIMIT * tilt_y;
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}
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//DEBUG_LOG("Pointer (%f, %f), Valuators: {%d,%d,%d,%d,%d}\n", pointer_x, pointer_y,
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// valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);
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}
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void DarwinSendPointerEvents(DeviceIntPtr pDev, int ev_type, int ev_button, float pointer_x, float pointer_y,
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float pressure, float tilt_x, float tilt_y) {
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static int darwinFakeMouseButtonDown = 0;
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int i, num_events;
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ScreenPtr screen;
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int valuators[5];
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//DEBUG_LOG("x=%f, y=%f, p=%f, tx=%f, ty=%f\n", pointer_x, pointer_y, pressure, tilt_x, tilt_y);
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if(!darwinEvents) {
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DEBUG_LOG("DarwinSendPointerEvents called before darwinEvents was initialized\n");
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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("DarwinSendPointerEvents called before screen was initialized\n");
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return;
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}
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/* Handle fake click */
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if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {
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if(darwinFakeMouseButtonDown != 0) {
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/* We're currently "down" with another button, so release it first */
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DarwinSendPointerEvents(pDev, ButtonRelease, darwinFakeMouseButtonDown, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
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darwinFakeMouseButtonDown=0;
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}
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if (darwin_modifier_flags & darwinFakeMouse2Mask) {
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ev_button = 2;
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darwinFakeMouseButtonDown = 2;
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DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse2Mask);
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} else if (darwin_modifier_flags & darwinFakeMouse3Mask) {
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ev_button = 3;
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darwinFakeMouseButtonDown = 3;
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DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse3Mask);
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}
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}
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if (ev_type == ButtonRelease && ev_button == 1) {
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if(darwinFakeMouseButtonDown) {
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ev_button = darwinFakeMouseButtonDown;
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}
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if(darwinFakeMouseButtonDown == 2) {
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DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse2Mask);
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} else if(darwinFakeMouseButtonDown == 3) {
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DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse3Mask);
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}
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darwinFakeMouseButtonDown = 0;
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}
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DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
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darwinEvents_lock(); {
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num_events = GetPointerEvents(darwinEvents, pDev, ev_type, ev_button,
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POINTER_ABSOLUTE, 0, pDev==darwinTabletCurrent?5:2, valuators);
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for(i=0; i<num_events; i++) mieqEnqueue (pDev, darwinEvents[i].event);
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DarwinPokeEQ();
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} darwinEvents_unlock();
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}
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void DarwinSendKeyboardEvents(int ev_type, int keycode) {
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int i, num_events;
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|
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if(!darwinEvents) {
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DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");
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return;
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}
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darwinEvents_lock(); {
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num_events = GetKeyboardEvents(darwinEvents, darwinKeyboard, ev_type, keycode + MIN_KEYCODE);
|
|
for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard,darwinEvents[i].event);
|
|
DarwinPokeEQ();
|
|
} darwinEvents_unlock();
|
|
}
|
|
|
|
void DarwinSendProximityEvents(int ev_type, float pointer_x, float pointer_y) {
|
|
int i, num_events;
|
|
ScreenPtr screen;
|
|
DeviceIntPtr pDev = darwinTabletCurrent;
|
|
int valuators[5];
|
|
|
|
DEBUG_LOG("DarwinSendProximityEvents(%d, %f, %f)\n", ev_type, pointer_x, pointer_y);
|
|
|
|
if(!darwinEvents) {
|
|
DEBUG_LOG("DarwinSendProximityEvents called before darwinEvents was initialized\n");
|
|
return;
|
|
}
|
|
|
|
screen = miPointerGetScreen(pDev);
|
|
if(!screen) {
|
|
DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
|
|
return;
|
|
}
|
|
|
|
DarwinPrepareValuators(pDev, valuators, screen, pointer_x, pointer_y, 0.0f, 0.0f, 0.0f);
|
|
darwinEvents_lock(); {
|
|
num_events = GetProximityEvents(darwinEvents, pDev, ev_type,
|
|
0, 5, valuators);
|
|
for(i=0; i<num_events; i++) mieqEnqueue (pDev,darwinEvents[i].event);
|
|
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) {
|
|
if(!darwinEvents) {
|
|
DEBUG_LOG("DarwinSendScrollEvents called before darwinEvents was initialized\n");
|
|
return;
|
|
}
|
|
|
|
int sign_x = count_x > 0.0f ? SCROLLWHEELLEFTFAKE : SCROLLWHEELRIGHTFAKE;
|
|
int 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_modifier_flags & ~flags);
|
|
DarwinUpdateModifiers(KeyPress, ~darwin_modifier_flags & flags);
|
|
darwin_modifier_flags = flags;
|
|
}
|
|
|
|
/*
|
|
* DarwinSendDDXEvent
|
|
* Send the X server thread a message by placing it on the event queue.
|
|
*/
|
|
void DarwinSendDDXEvent(int type, int argc, ...) {
|
|
xEvent xe;
|
|
INT32 *argv;
|
|
int i, max_args;
|
|
va_list args;
|
|
|
|
memset(&xe, 0, sizeof(xe));
|
|
xe.u.u.type = type;
|
|
xe.u.clientMessage.u.l.type = type;
|
|
|
|
argv = &xe.u.clientMessage.u.l.longs0;
|
|
max_args = 4;
|
|
|
|
if (argc > 0 && argc <= max_args) {
|
|
va_start (args, argc);
|
|
for (i = 0; i < argc; i++)
|
|
argv[i] = (int) va_arg (args, int);
|
|
va_end (args);
|
|
}
|
|
|
|
darwinEvents_lock(); {
|
|
mieqEnqueue(darwinPointer, &xe);
|
|
DarwinPokeEQ();
|
|
} darwinEvents_unlock();
|
|
}
|