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xserver/hw/xquartz/quartz.c

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/*
*
* Quartz-specific support for the Darwin X Server
*
* Copyright (c) 2002-2012 Apple Inc. All rights reserved.
* Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the sale,
* use or other dealings in this Software without prior written authorization.
*/
#include "sanitizedCarbon.h"
#include <dix-config.h>
#include "quartzRandR.h"
#include "inputstr.h"
#include "quartz.h"
#include "darwin.h"
#include "darwinEvents.h"
#include "pseudoramiX.h"
#include "extension.h"
#include "nonsdk_extinit.h"
#include "glx_extinit.h"
#define _APPLEWM_SERVER_
#include "applewmExt.h"
#include "X11Application.h"
#include <X11/extensions/applewmconst.h>
// X headers
#include "scrnintstr.h"
#include "windowstr.h"
#include "colormapst.h"
#include "globals.h"
#include "mi.h"
// System headers
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <IOKit/pwr_mgt/IOPMLib.h>
#include <libkern/OSAtomic.h>
#include <signal.h>
#include <rootlessCommon.h>
#include <Xplugin.h>
// These are vended by the Objective-C runtime, but they are unfortunately
// not available as API in the macOS SDK. We are following suit with swift
// and clang in declaring them inline here. They canot be removed or changed
// in the OS without major bincompat ramifications.
//
// These were added in macOS 10.7.
void * _Nonnull objc_autoreleasePoolPush(void);
void objc_autoreleasePoolPop(void * _Nonnull context);
DevPrivateKeyRec quartzScreenKeyRec;
int aquaMenuBarHeight = 0;
QuartzModeProcsPtr quartzProcs = NULL;
const char *quartzOpenGLBundle = NULL;
/* These are initialized by X11Application with default values set in NSUserDefaults+XQuartzDefaults */
Bool XQuartzFullscreenDisableHotkeys;
Bool XQuartzOptionSendsAlt;
Bool XQuartzEnableKeyEquivalents;
Bool XQuartzFullscreenMenu;
Bool XQuartzRootlessDefault;
Bool XQuartzFullscreenVisible = FALSE;
Bool XQuartzIsRootless = TRUE;
Bool XQuartzServerVisible = FALSE;
int32_t XQuartzShieldingWindowLevel = 0;
/*
===========================================================================
Screen functions
===========================================================================
*/
/*
* QuartzAddScreen
* Do mode dependent initialization of each screen for Quartz.
*/
Bool
QuartzAddScreen(int index,
ScreenPtr pScreen)
{
// The clang static analyzer thinks we leak displayInfo here
#ifndef __clang_analyzer__
// allocate space for private per screen Quartz specific storage
QuartzScreenPtr displayInfo = calloc(1, sizeof(QuartzScreenRec));
// QUARTZ_PRIV(pScreen) = displayInfo;
dixSetPrivate(&pScreen->devPrivates, quartzScreenKey, displayInfo);
#endif /* __clang_analyzer__ */
// do Quartz mode specific initialization
return quartzProcs->AddScreen(index, pScreen);
}
/*
* QuartzSetupScreen
* Finalize mode specific setup of each screen.
*/
Bool
QuartzSetupScreen(int index,
ScreenPtr pScreen)
{
// do Quartz mode specific setup
if (!quartzProcs->SetupScreen(index, pScreen))
return FALSE;
// setup cursor support
if (!quartzProcs->InitCursor(pScreen))
return FALSE;
#if defined(RANDR)
if (!QuartzRandRInit(pScreen)) {
DEBUG_LOG("Failed to init RandR extension.\n");
return FALSE;
}
#endif
return TRUE;
}
/*
* QuartzBlockHandler
* Clean out any autoreleased objects.
*/
static void
QuartzBlockHandler(void *blockData, void *pTimeout)
{
static void *poolToken = NULL;
if (poolToken) {
objc_autoreleasePoolPop(poolToken);
}
poolToken = objc_autoreleasePoolPush();
}
/*
* QuartzWakeupHandler
*/
static void
QuartzWakeupHandler(void *blockData, int result)
{
/* nothing here */
}
/*
* QuartzInitOutput
* Quartz display initialization.
*/
void
QuartzInitOutput(int argc,
char **argv)
{
/* For XQuartz, we want to just use the default signal handler to work better with CrashTracer */
signal(SIGSEGV, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGILL, SIG_DFL);
#ifdef SIGEMT
signal(SIGEMT, SIG_DFL);
#endif
signal(SIGFPE, SIG_DFL);
#ifdef SIGBUS
signal(SIGBUS, SIG_DFL);
#endif
#ifdef SIGSYS
signal(SIGSYS, SIG_DFL);
#endif
#ifdef SIGXCPU
signal(SIGXCPU, SIG_DFL);
#endif
#ifdef SIGXFSZ
signal(SIGXFSZ, SIG_DFL);
#endif
if (!RegisterBlockAndWakeupHandlers(QuartzBlockHandler,
QuartzWakeupHandler,
NULL)) {
FatalError("Could not register block and wakeup handlers.");
}
if (!dixRegisterPrivateKey(&quartzScreenKeyRec, PRIVATE_SCREEN, 0))
FatalError("Failed to alloc quartz screen private.\n");
// Do display mode specific initialization
quartzProcs->DisplayInit();
}
/*
* QuartzInitInput
* Inform the main thread the X server is ready to handle events.
*/
void
QuartzInitInput(int argc,
char **argv)
{
X11ApplicationSetCanQuit(0);
X11ApplicationServerReady();
// Do final display mode specific initialization before handling events
if (quartzProcs->InitInput)
quartzProcs->InitInput(argc, argv);
}
void
QuartzUpdateScreens(void)
{
ScreenPtr pScreen;
WindowPtr pRoot;
int x, y, width, height, sx, sy;
xEvent e;
BoxRec bounds;
if (noPseudoramiXExtension || screenInfo.numScreens != 1) {
/* FIXME: if not using Xinerama, we have multiple screens, and
to do this properly may need to add or remove screens. Which
isn't possible. So don't do anything. Another reason why
we default to running with Xinerama. */
return;
}
pScreen = screenInfo.screens[0];
PseudoramiXResetScreens();
quartzProcs->AddPseudoramiXScreens(&x, &y, &width, &height, pScreen);
pScreen->x = x;
pScreen->y = y;
pScreen->mmWidth = pScreen->mmWidth * ((double)width / pScreen->width);
pScreen->mmHeight = pScreen->mmHeight * ((double)height / pScreen->height);
pScreen->width = width;
pScreen->height = height;
DarwinAdjustScreenOrigins(&screenInfo);
/* DarwinAdjustScreenOrigins or UpdateScreen may change pScreen->x/y,
* so use it rather than x/y
*/
sx = pScreen->x + darwinMainScreenX;
sy = pScreen->y + darwinMainScreenY;
/* Adjust the root window. */
pRoot = pScreen->root;
AppleWMSetScreenOrigin(pRoot);
pScreen->ResizeWindow(pRoot, x - sx, y - sy, width, height, NULL);
/* <rdar://problem/7770779> pointer events are clipped to old display region after display reconfiguration
* http://xquartz.macosforge.org/trac/ticket/346
*/
bounds.x1 = 0;
bounds.x2 = width;
bounds.y1 = 0;
bounds.y2 = height;
pScreen->ConstrainCursor(inputInfo.pointer, pScreen, &bounds);
inputInfo.pointer->spriteInfo->sprite->physLimits = bounds;
inputInfo.pointer->spriteInfo->sprite->hotLimits = bounds;
DEBUG_LOG(
"Root Window: %dx%d @ (%d, %d) darwinMainScreen (%d, %d) xy (%d, %d) dixScreenOrigins (%d, %d)\n",
width, height, x - sx, y - sy, darwinMainScreenX, darwinMainScreenY,
x, y,
pScreen->x, pScreen->y);
/* Send an event for the root reconfigure */
e.u.u.type = ConfigureNotify;
e.u.configureNotify.window = pRoot->drawable.id;
e.u.configureNotify.aboveSibling = None;
e.u.configureNotify.x = x - sx;
e.u.configureNotify.y = y - sy;
e.u.configureNotify.width = width;
e.u.configureNotify.height = height;
e.u.configureNotify.borderWidth = wBorderWidth(pRoot);
e.u.configureNotify.override = pRoot->overrideRedirect;
DeliverEvents(pRoot, &e, 1, NullWindow);
quartzProcs->UpdateScreen(pScreen);
/* PaintWindow needs to be called after RootlessUpdateScreenPixmap (from xprUpdateScreen) */
pScreen->PaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND);
/* Tell RandR about the new size, so new connections get the correct info */
RRScreenSizeNotify(pScreen);
}
static void
pokeActivityCallback(CFRunLoopTimerRef timer, void *info)
{
UpdateSystemActivity(OverallAct);
}
static void
QuartzScreenSaver(int state)
{
static CFRunLoopTimerRef pokeActivityTimer = NULL;
static CFRunLoopTimerContext pokeActivityContext =
{ 0, NULL, NULL, NULL, NULL };
static OSSpinLock pokeActivitySpinLock = OS_SPINLOCK_INIT;
OSSpinLockLock(&pokeActivitySpinLock);
if (state) {
if (pokeActivityTimer == NULL)
goto QuartzScreenSaverEnd;
CFRunLoopTimerInvalidate(pokeActivityTimer);
CFRelease(pokeActivityTimer);
pokeActivityTimer = NULL;
}
else {
if (pokeActivityTimer != NULL)
goto QuartzScreenSaverEnd;
pokeActivityTimer = CFRunLoopTimerCreate(NULL,
CFAbsoluteTimeGetCurrent(),
30, 0, 0,
pokeActivityCallback,
&pokeActivityContext);
if (pokeActivityTimer == NULL) {
ErrorF("Unable to create pokeActivityTimer.\n");
goto QuartzScreenSaverEnd;
}
CFRunLoopAddTimer(
CFRunLoopGetMain(), pokeActivityTimer, kCFRunLoopCommonModes);
}
QuartzScreenSaverEnd:
OSSpinLockUnlock(&pokeActivitySpinLock);
}
void
QuartzShowFullscreen(int state)
{
int i;
DEBUG_LOG("QuartzShowFullscreen: state=%d\n", state);
if (XQuartzIsRootless) {
ErrorF("QuartzShowFullscreen called while in rootless mode.\n");
return;
}
QuartzScreenSaver(!state);
if (XQuartzFullscreenVisible == state)
return;
XQuartzFullscreenVisible = state;
xp_disable_update();
if (!XQuartzFullscreenVisible)
RootlessHideAllWindows();
RootlessUpdateRooted(XQuartzFullscreenVisible);
if (XQuartzFullscreenVisible) {
RootlessShowAllWindows();
for (i = 0; i < screenInfo.numScreens; i++) {
ScreenPtr pScreen = screenInfo.screens[i];
RootlessRepositionWindows(pScreen);
// JH: I don't think this is necessary, but keeping it here as a reminder
//RootlessUpdateScreenPixmap(pScreen);
}
}
/* Somehow the menubar manages to interfere with our event stream
* in fullscreen mode, even though it's not visible.
*/
X11ApplicationShowHideMenubar(!XQuartzFullscreenVisible);
xp_reenable_update();
if (XQuartzFullscreenDisableHotkeys)
xp_disable_hot_keys(XQuartzFullscreenVisible);
}
void
QuartzSetRootless(Bool state)
{
DEBUG_LOG("QuartzSetRootless state=%d\n", state);
if (XQuartzIsRootless == state)
return;
if (state)
QuartzShowFullscreen(FALSE);
XQuartzIsRootless = state;
xp_disable_update();
/* When in rootless, the menubar is not part of the screen, so we need to update our screens on toggle */
QuartzUpdateScreens();
if (XQuartzIsRootless) {
RootlessShowAllWindows();
}
else {
RootlessHideAllWindows();
}
X11ApplicationShowHideMenubar(TRUE);
xp_reenable_update();
xp_disable_hot_keys(FALSE);
}
/*
* QuartzShow
* Show the X server on screen. Does nothing if already shown.
* Calls mode specific screen resume to restore the X clip regions
* (if needed) and the X server cursor state.
*/
void
QuartzShow(void)
{
int i;
if (XQuartzServerVisible)
return;
XQuartzServerVisible = TRUE;
for (i = 0; i < screenInfo.numScreens; i++) {
if (screenInfo.screens[i]) {
quartzProcs->ResumeScreen(screenInfo.screens[i]);
}
}
if (!XQuartzIsRootless)
QuartzShowFullscreen(TRUE);
}
/*
* QuartzHide
* Remove the X server display from the screen. Does nothing if already
* hidden. Calls mode specific screen suspend to set X clip regions to
* prevent drawing (if needed) and restore the Aqua cursor.
*/
void
QuartzHide(void)
{
int i;
if (XQuartzServerVisible) {
for (i = 0; i < screenInfo.numScreens; i++) {
if (screenInfo.screens[i]) {
quartzProcs->SuspendScreen(screenInfo.screens[i]);
}
}
}
if (!XQuartzIsRootless)
QuartzShowFullscreen(FALSE);
XQuartzServerVisible = FALSE;
}
/*
* QuartzSetRootClip
* Enable or disable rendering to the X screen.
*/
void
QuartzSetRootClip(int mode)
{
int i;
if (!XQuartzServerVisible)
return;
for (i = 0; i < screenInfo.numScreens; i++) {
if (screenInfo.screens[i]) {
SetRootClip(screenInfo.screens[i], mode);
}
}
}
/*
* QuartzSpaceChanged
* Unmap offscreen windows, map onscreen windows
*/
void
QuartzSpaceChanged(uint32_t space_id)
{
/* Do something special here, so we don't depend on quartz-wm for spaces to work... */
DEBUG_LOG("Space Changed (%u) ... do something interesting...\n",
space_id);
}
/*
* QuartzCopyDisplayIDs
* Associate an X11 screen with one or more CoreGraphics display IDs by copying
* the list into a private array. Free the previously copied array, if present.
*/
void
QuartzCopyDisplayIDs(ScreenPtr pScreen,
int displayCount, CGDirectDisplayID *displayIDs)
{
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
free(pQuartzScreen->displayIDs);
if (displayCount) {
size_t size = displayCount * sizeof(CGDirectDisplayID);
pQuartzScreen->displayIDs = malloc(size);
memcpy(pQuartzScreen->displayIDs, displayIDs, size);
}
else {
pQuartzScreen->displayIDs = NULL;
}
pQuartzScreen->displayCount = displayCount;
}
void
NSBeep(void);
void
DDXRingBell(int volume, // volume is % of max
int pitch, // pitch is Hz
int duration) // duration is milliseconds
{
if (volume)
NSBeep();
}
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