608 lines
20 KiB
C
608 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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#define NEED_EVENTS
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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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/* These values were chosen to match the output of xinput under Linux */
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#define SCALEFACTOR_TILT 64.0
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#define SCALEFACTOR_PRESSURE 1000.0
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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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static int old_flags = 0; // last known modifier state
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static xEvent *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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static inline 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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/* We want to give xinit time to finish running xinitrc before we accept
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* the launchd socket connection.
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*
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* Yes, we lock then immediately unlock because the lock does a cond_wait
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* when darwinEvents == NULL
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*
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* TODO: Cleanup this race more elegantly.
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*
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* For some reason, xinitrc doesn't run until after this anyways... =/
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* sleep(2);
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*/
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}
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}
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static inline 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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* DarwinPressModifierMask
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* Press or release the given modifier key, specified by its mask.
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*/
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static void DarwinPressModifierMask(
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int pressed,
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int mask) // one of NX_*MASK constants
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{
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int key = DarwinModifierNXMaskToNXKey(mask);
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if (key != -1) {
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int keycode = DarwinModifierNXKeyToNXKeycode(key, 0);
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if (keycode != 0)
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DarwinSendKeyboardEvents(pressed, keycode);
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}
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}
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#ifdef NX_DEVICELCTLKEYMASK
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#define CONTROL_MASK(flags) (flags & (NX_DEVICELCTLKEYMASK|NX_DEVICERCTLKEYMASK))
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#else
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#define CONTROL_MASK(flags) (NX_CONTROLMASK)
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#endif /* NX_DEVICELCTLKEYMASK */
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#ifdef NX_DEVICELSHIFTKEYMASK
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#define SHIFT_MASK(flags) (flags & (NX_DEVICELSHIFTKEYMASK|NX_DEVICERSHIFTKEYMASK))
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#else
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#define SHIFT_MASK(flags) (NX_SHIFTMASK)
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#endif /* NX_DEVICELSHIFTKEYMASK */
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#ifdef NX_DEVICELCMDKEYMASK
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#define COMMAND_MASK(flags) (flags & (NX_DEVICELCMDKEYMASK|NX_DEVICERCMDKEYMASK))
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#else
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#define COMMAND_MASK(flags) (NX_COMMANDMASK)
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#endif /* NX_DEVICELCMDKEYMASK */
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#ifdef NX_DEVICELALTKEYMASK
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#define ALTERNATE_MASK(flags) (flags & (NX_DEVICELALTKEYMASK|NX_DEVICERALTKEYMASK))
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#else
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#define ALTERNATE_MASK(flags) (NX_ALTERNATEMASK)
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#endif /* NX_DEVICELALTKEYMASK */
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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 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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if (flags & NX_ALPHASHIFTMASK) {
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DarwinPressModifierMask(pressed, NX_ALPHASHIFTMASK);
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}
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if (flags & NX_COMMANDMASK) {
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DarwinPressModifierMask(pressed, COMMAND_MASK(flags));
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}
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if (flags & NX_CONTROLMASK) {
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DarwinPressModifierMask(pressed, CONTROL_MASK(flags));
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}
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if (flags & NX_ALTERNATEMASK) {
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DarwinPressModifierMask(pressed, ALTERNATE_MASK(flags));
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}
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if (flags & NX_SHIFTMASK) {
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DarwinPressModifierMask(pressed, SHIFT_MASK(flags));
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}
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if (flags & NX_SECONDARYFNMASK) {
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DarwinPressModifierMask(pressed, NX_SECONDARYFNMASK);
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}
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}
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/*
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* DarwinReleaseModifiers
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* This hacky function releases all modifier keys. It should be called when X11.app
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* is deactivated (kXquartzDeactivate) to prevent modifiers from getting stuck if they
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* are held down during a "context" switch -- otherwise, we would miss the KeyUp.
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*/
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static void DarwinReleaseModifiers(void) {
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DarwinUpdateModifiers(KeyRelease, COMMAND_MASK(-1) | CONTROL_MASK(-1) | ALTERNATE_MASK(-1) | SHIFT_MASK(-1));
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}
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/*
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* DarwinSimulateMouseClick
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* Send a mouse click to X when multiple mouse buttons are simulated
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* with modifier-clicks, such as command-click for button 2. The dix
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* layer is told that the previously pressed modifier key(s) are
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* released, the simulated click event is sent. After the mouse button
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* is released, the modifier keys are reverted to their actual state,
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* which may or may not be pressed at that point. This is usually
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* closest to what the user wants. Ie. the user typically wants to
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* simulate a button 2 press instead of Command-button 2.
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*/
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static void DarwinSimulateMouseClick(
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int pointer_x,
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int pointer_y,
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float pressure,
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float tilt_x,
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float tilt_y,
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int whichButton, // mouse button to be pressed
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int modifierMask) // modifiers used for the fake click
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{
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// first fool X into forgetting about the keys
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// for some reason, it's not enough to tell X we released the Command key --
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// it has to be the *left* Command key.
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if (modifierMask & NX_COMMANDMASK) modifierMask |=NX_DEVICELCMDKEYMASK ;
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DarwinUpdateModifiers(KeyRelease, modifierMask);
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// push the mouse button
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DarwinSendPointerEvents(ButtonPress, whichButton, pointer_x, pointer_y,
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pressure, tilt_x, tilt_y);
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DarwinSendPointerEvents(ButtonRelease, whichButton, pointer_x, pointer_y,
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pressure, tilt_x, tilt_y);
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// restore old modifiers
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DarwinUpdateModifiers(KeyPress, modifierMask);
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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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ListenOnOpenFD(xe[i].u.clientMessage.u.l.longs0);
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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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DarwinReleaseModifiers();
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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 kXquartzToggleFullscreen:
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DEBUG_LOG("kXquartzToggleFullscreen\n");
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#ifdef DARWIN_DDX_MISSING
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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();
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#else
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// ErrorF("kXquartzToggleFullscreen not implemented\n");
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#endif
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break;
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case kXquartzSetRootless:
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DEBUG_LOG("kXquartzSetRootless\n");
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#ifdef DARWIN_DDX_MISSING
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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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#else
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// ErrorF("kXquartzSetRootless not implemented\n");
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#endif
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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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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(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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if (!darwinEvents) {
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darwinEvents = (xEvent *)xcalloc(sizeof(xEvent), 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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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(int *valuators, ScreenPtr screen,
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int pointer_x, int 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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/* Setup our array of values */
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valuators[0] = pointer_x;
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valuators[1] = pointer_y;
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valuators[2] = pressure * SCALEFACTOR_PRESSURE;
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valuators[3] = tilt_x * SCALEFACTOR_TILT;
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valuators[4] = tilt_y * SCALEFACTOR_TILT;
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DEBUG_LOG("Valuators: {%d,%d,%d,%d,%d}\n",
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valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);
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}
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void DarwinSendPointerEvents(int ev_type, int ev_button, int pointer_x, int 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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static int darwinFakeMouseButtonMask = 0;
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int i, num_events;
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DeviceIntPtr dev;
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ScreenPtr screen;
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int valuators[5];
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DEBUG_LOG("x=%d, y=%d, 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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if (pressure == 0 && tilt_x == 0 && tilt_y == 0)
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dev = darwinPointer;
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else
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dev = darwinTablet;
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screen = miPointerGetScreen(dev);
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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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if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {
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// Mimic multi-button mouse with modifier-clicks
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// If both sets of modifiers are pressed,
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// button 2 is clicked.
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if ((old_flags & darwinFakeMouse2Mask) == darwinFakeMouse2Mask) {
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DarwinSimulateMouseClick(pointer_x, pointer_y, pressure,
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tilt_x, tilt_y, 2, darwinFakeMouse2Mask);
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darwinFakeMouseButtonDown = 2;
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darwinFakeMouseButtonMask = darwinFakeMouse2Mask;
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return;
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} else if ((old_flags & darwinFakeMouse3Mask) == darwinFakeMouse3Mask) {
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DarwinSimulateMouseClick(pointer_x, pointer_y, pressure,
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tilt_x, tilt_y, 3, darwinFakeMouse3Mask);
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darwinFakeMouseButtonDown = 3;
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darwinFakeMouseButtonMask = darwinFakeMouse3Mask;
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return;
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}
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}
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if (ev_type == ButtonRelease && darwinFakeButtons && darwinFakeMouseButtonDown) {
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// If last mousedown was a fake click, don't check for
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// mouse modifiers here. The user may have released the
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// modifiers before the mouse button.
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ev_button = darwinFakeMouseButtonDown;
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darwinFakeMouseButtonDown = 0;
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// Bring modifiers back up to date
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DarwinUpdateModifiers(KeyPress, darwinFakeMouseButtonMask & old_flags);
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darwinFakeMouseButtonMask = 0;
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return;
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}
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DarwinPrepareValuators(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, dev, ev_type, ev_button,
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POINTER_ABSOLUTE, 0, dev==darwinTablet?5:2, valuators);
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for(i=0; i<num_events; i++) mieqEnqueue (dev, &darwinEvents[i]);
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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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if(!darwinEvents) {
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DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");
|
|
return;
|
|
}
|
|
|
|
if (old_flags == 0 && darwinSyncKeymap && darwinKeymapFile == NULL) {
|
|
/* See if keymap has changed. */
|
|
|
|
static unsigned int last_seed;
|
|
unsigned int this_seed;
|
|
|
|
this_seed = QuartzSystemKeymapSeed();
|
|
if (this_seed != last_seed) {
|
|
last_seed = this_seed;
|
|
DarwinSendDDXEvent(kXquartzReloadKeymap, 0);
|
|
}
|
|
}
|
|
|
|
darwinEvents_lock(); {
|
|
num_events = GetKeyboardEvents(darwinEvents, darwinKeyboard, ev_type, keycode + MIN_KEYCODE);
|
|
for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard,&darwinEvents[i]);
|
|
DarwinPokeEQ();
|
|
} darwinEvents_unlock();
|
|
}
|
|
|
|
void DarwinSendProximityEvents(int ev_type, int pointer_x, int pointer_y) {
|
|
int i, num_events;
|
|
ScreenPtr screen;
|
|
DeviceIntPtr dev = darwinTablet;
|
|
int valuators[5];
|
|
|
|
DEBUG_LOG("DarwinSendProximityEvents(%d, %d, %d)\n", ev_type, pointer_x, pointer_y);
|
|
|
|
if(!darwinEvents) {
|
|
DEBUG_LOG("DarwinSendProximityEvents called before darwinEvents was initialized\n");
|
|
return;
|
|
}
|
|
|
|
screen = miPointerGetScreen(dev);
|
|
if(!screen) {
|
|
DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
|
|
return;
|
|
}
|
|
|
|
DarwinPrepareValuators(valuators, screen, pointer_x, pointer_y, 0.0f, 0.0f, 0.0f);
|
|
darwinEvents_lock(); {
|
|
num_events = GetProximityEvents(darwinEvents, dev, ev_type,
|
|
0, 5, valuators);
|
|
for(i=0; i<num_events; i++) mieqEnqueue (dev,&darwinEvents[i]);
|
|
DarwinPokeEQ();
|
|
} darwinEvents_unlock();
|
|
}
|
|
|
|
|
|
/* Send the appropriate number of button clicks to emulate scroll wheel */
|
|
void DarwinSendScrollEvents(float count_x, float count_y,
|
|
int pointer_x, int 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(ButtonPress, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
|
|
DarwinSendPointerEvents(ButtonRelease, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
|
|
count_x = count_x - 1.0f;
|
|
}
|
|
if (count_y > 0.0f) {
|
|
DarwinSendPointerEvents(ButtonPress, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
|
|
DarwinSendPointerEvents(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, old_flags & ~flags);
|
|
DarwinUpdateModifiers(KeyPress, ~old_flags & flags);
|
|
old_flags = flags;
|
|
}
|
|
|
|
void DarwinListenOnOpenFD(int fd) {
|
|
DarwinSendDDXEvent(kXquartzListenOnOpenFD, 1, fd);
|
|
}
|
|
|
|
/*
|
|
* 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();
|
|
}
|