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Diffstat (limited to 'hw/darwin/quartz/XServer.m')
| -rw-r--r-- | hw/darwin/quartz/XServer.m | 1538 |
1 files changed, 0 insertions, 1538 deletions
diff --git a/hw/darwin/quartz/XServer.m b/hw/darwin/quartz/XServer.m deleted file mode 100644 index f8173cb7f..000000000 --- a/hw/darwin/quartz/XServer.m +++ /dev/null @@ -1,1538 +0,0 @@ -// -// XServer.m -// -// This class handles the interaction between the Cocoa front-end -// and the Darwin X server thread. -// -// Created by Andreas Monitzer on January 6, 2001. -// -/* - * Copyright (c) 2001 Andreas Monitzer. All Rights Reserved. - * Copyright (c) 2002-2005 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 <dix-config.h> -#include "quartzCommon.h" - -#define BOOL xBOOL -#include "X11/X.h" -#include "X11/Xproto.h" -#include "os.h" -#include "opaque.h" -#include "darwin.h" -#include "quartz.h" -#define _APPLEWM_SERVER_ -#include "X11/extensions/applewm.h" -#include "applewmExt.h" -#undef BOOL - -#import "XServer.h" -#import "Preferences.h" - -#include <unistd.h> -#include <stdio.h> -#include <sys/syslimits.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <pwd.h> -#include <signal.h> -#include <fcntl.h> - -// For power management notifications -#import <mach/mach_port.h> -#import <mach/mach_interface.h> -#import <mach/mach_init.h> -#import <IOKit/pwr_mgt/IOPMLib.h> -#import <IOKit/IOMessage.h> - -// Types of shells -enum { - shell_Unknown, - shell_Bourne, - shell_C -}; - -typedef struct { - char *name; - int type; -} shellList_t; - -static shellList_t const shellList[] = { - { "csh", shell_C }, // standard C shell - { "tcsh", shell_C }, // ... needs no introduction - { "sh", shell_Bourne }, // standard Bourne shell - { "zsh", shell_Bourne }, // Z shell - { "bash", shell_Bourne }, // GNU Bourne again shell - { NULL, shell_Unknown } -}; - -extern int argcGlobal; -extern char **argvGlobal; -extern char **envpGlobal; -extern int main(int argc, char *argv[], char *envp[]); -extern void HideMenuBar(void); -extern void ShowMenuBar(void); -static void childDone(int sig); -static void powerDidChange(void *x, io_service_t y, natural_t messageType, - void *messageArgument); - -static NSPort *signalPort; -static NSPort *returnPort; -static NSPortMessage *signalMessage; -static pid_t clientPID; -static XServer *oneXServer; -static NSRect aquaMenuBarBox; -static io_connect_t root_port; - - -@implementation XServer - -- (id)init -{ - self = [super init]; - oneXServer = self; - - serverState = server_NotStarted; - serverLock = [[NSRecursiveLock alloc] init]; - pendingClients = nil; - clientPID = 0; - sendServerEvents = NO; - x11Active = YES; - serverVisible = NO; - rootlessMenuBarVisible = YES; - queueShowServer = YES; - quartzServerQuitting = NO; - pendingAppQuitReply = NO; - mouseState = 0; - - // set up a port to safely send messages to main thread from server thread - signalPort = [[NSPort port] retain]; - returnPort = [[NSPort port] retain]; - signalMessage = [[NSPortMessage alloc] initWithSendPort:signalPort - receivePort:returnPort components:nil]; - - // set up receiving end - [signalPort setDelegate:self]; - [[NSRunLoop currentRunLoop] addPort:signalPort - forMode:NSDefaultRunLoopMode]; - [[NSRunLoop currentRunLoop] addPort:signalPort - forMode:NSModalPanelRunLoopMode]; - - return self; -} - -- (NSApplicationTerminateReply) - applicationShouldTerminate:(NSApplication *)sender -{ - // Quit if the X server is not running - if ([serverLock tryLock]) { - quartzServerQuitting = YES; - serverState = server_Done; - if (clientPID != 0) - kill(clientPID, SIGINT); - return NSTerminateNow; - } - - // Hide the X server and stop sending it events - [self showServer:NO]; - sendServerEvents = NO; - - if (!quitWithoutQuery && (clientPID != 0 || !quartzStartClients)) { - int but; - - but = NSRunAlertPanel(NSLocalizedString(@"Quit X server?",@""), - NSLocalizedString(@"Quitting the X server will terminate any running X Window System programs.",@""), - NSLocalizedString(@"Quit",@""), - NSLocalizedString(@"Cancel",@""), - nil); - - switch (but) { - case NSAlertDefaultReturn: // quit - break; - case NSAlertAlternateReturn: // cancel - if (serverState == server_Running) - sendServerEvents = YES; - return NSTerminateCancel; - } - } - - quartzServerQuitting = YES; - if (clientPID != 0) - kill(clientPID, SIGINT); - - // At this point the X server is either running or starting. - if (serverState == server_Starting) { - // Quit will be queued later when server is running - pendingAppQuitReply = YES; - return NSTerminateLater; - } else if (serverState == server_Running) { - [self quitServer]; - } - - return NSTerminateNow; -} - -// Ensure that everything has quit cleanly -- (void)applicationWillTerminate:(NSNotification *)aNotification -{ - // Make sure the client process has finished - if (clientPID != 0) { - NSLog(@"Waiting on client process..."); - sleep(2); - - // If the client process hasn't finished yet, kill it off - if (clientPID != 0) { - int clientStatus; - NSLog(@"Killing client process..."); - killpg(clientPID, SIGKILL); - waitpid(clientPID, &clientStatus, 0); - } - } - - // Wait until the X server thread quits - [serverLock lock]; -} - -// returns YES when event was handled -- (BOOL)translateEvent:(NSEvent *)anEvent -{ - xEvent xe; - static BOOL mouse1Pressed = NO; - NSEventType type; - unsigned int flags; - - if (!sendServerEvents) { - return NO; - } - - type = [anEvent type]; - flags = [anEvent modifierFlags]; - - if (!quartzRootless) { - // Check for switch keypress - if ((type == NSKeyDown) && (![anEvent isARepeat]) && - ([anEvent keyCode] == [Preferences keyCode])) - { - unsigned int switchFlags = [Preferences modifiers]; - - // Switch if all the switch modifiers are pressed, while none are - // pressed that should not be, except for caps lock. - if (((flags & switchFlags) == switchFlags) && - ((flags & ~(switchFlags | NSAlphaShiftKeyMask)) == 0)) - { - [self toggle]; - return YES; - } - } - - if (!serverVisible) - return NO; - } - - memset(&xe, 0, sizeof(xe)); - - switch (type) { - case NSLeftMouseUp: - if (quartzRootless && !mouse1Pressed) { - // MouseUp after MouseDown in menu - ignore - return NO; - } - mouse1Pressed = NO; - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonRelease; - xe.u.u.detail = 1; - break; - - case NSLeftMouseDown: - if (quartzRootless) { - // Check that event is in X11 window - if (!quartzProcs->IsX11Window([anEvent window], - [anEvent windowNumber])) - { - if (x11Active) - [self activateX11:NO]; - return NO; - } else { - if (!x11Active) - [self activateX11:YES]; - } - } - mouse1Pressed = YES; - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonPress; - xe.u.u.detail = 1; - break; - - case NSRightMouseUp: - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonRelease; - xe.u.u.detail = 3; - break; - - case NSRightMouseDown: - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonPress; - xe.u.u.detail = 3; - break; - - case NSOtherMouseUp: - { - int hwButton = [anEvent buttonNumber]; - - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonRelease; - xe.u.u.detail = (hwButton == 2) ? hwButton : hwButton + 1; - break; - } - - case NSOtherMouseDown: - { - int hwButton = [anEvent buttonNumber]; - - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = ButtonPress; - xe.u.u.detail = (hwButton == 2) ? hwButton : hwButton + 1; - break; - } - - case NSMouseMoved: - case NSLeftMouseDragged: - case NSRightMouseDragged: - case NSOtherMouseDragged: - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = MotionNotify; - break; - - case NSScrollWheel: - [self getMousePosition:&xe fromEvent:anEvent]; - xe.u.u.type = kXDarwinScrollWheel; - xe.u.clientMessage.u.s.shorts0 = [anEvent deltaX] + - [anEvent deltaY]; - break; - - case NSKeyDown: - case NSKeyUp: - if (!x11Active) { - swallowedKey = 0; - return NO; - } - - if (type == NSKeyDown) { - // If the mouse is not on the valid X display area, - // don't send the X server key events. - if (![self getMousePosition:&xe fromEvent:nil]) { - swallowedKey = [anEvent keyCode]; - return NO; - } - - // See if there are any global shortcuts for this key combo. - if (quartzEnableKeyEquivalents - && [[NSApp mainMenu] performKeyEquivalent:anEvent]) - { - swallowedKey = [anEvent keyCode]; - return YES; - } - } else { - // If the down key event was a valid key combo, - // don't pass the up event to X11. - if (swallowedKey != 0 && [anEvent keyCode] == swallowedKey) { - swallowedKey = 0; - return NO; - } - } - - xe.u.u.type = (type == NSKeyDown) ? KeyPress : KeyRelease; - xe.u.u.detail = [anEvent keyCode]; - break; - - case NSFlagsChanged: - if (!x11Active) - return NO; - xe.u.u.type = kXDarwinUpdateModifiers; - xe.u.clientMessage.u.l.longs0 = flags; - break; - - default: - return NO; - } - - [self sendXEvent:&xe]; - - // Rootless: Send first NSLeftMouseDown to Cocoa windows and views so - // window ordering can be suppressed. - // Don't pass further events - they (incorrectly?) bring the window - // forward no matter what. - if (quartzRootless && - (type == NSLeftMouseDown || type == NSLeftMouseUp) && - [anEvent clickCount] == 1 && [anEvent window]) - { - return NO; - } - - return YES; -} - -// Return mouse coordinates, inverting y coordinate. -// The coordinates are extracted from an event or the current mouse position. -// For rootless mode, the menu bar is treated as not part of the usable -// X display area and the cursor position is adjusted accordingly. -// Returns YES if the cursor is not in the menu bar. -- (BOOL)getMousePosition:(xEvent *)xe fromEvent:(NSEvent *)anEvent -{ - NSPoint pt; - - if (anEvent) { - NSWindow *eventWindow = [anEvent window]; - - if (eventWindow) { - pt = [anEvent locationInWindow]; - pt.x += [eventWindow frame].origin.x; - pt.y += [eventWindow frame].origin.y; - } else { - pt = [NSEvent mouseLocation]; - } - } else { - pt = [NSEvent mouseLocation]; - } - - xe->u.keyButtonPointer.rootX = (int)(pt.x); - - if (quartzRootless && NSMouseInRect(pt, aquaMenuBarBox, NO)) { - // mouse in menu bar - tell X11 that it's just below instead - xe->u.keyButtonPointer.rootY = aquaMenuBarHeight; - return NO; - } else { - xe->u.keyButtonPointer.rootY = - NSHeight([[NSScreen mainScreen] frame]) - (int)(pt.y); - return YES; - } -} - - -// Make a safe path -// -// Return the path in single quotes in case there are problematic characters in it. -// We still have to worry about there being single quotes in the path. So, replace -// all instances of the ' character in the path with '\''. -- (NSString *)makeSafePath:(NSString *)path -{ - NSMutableString *safePath = [NSMutableString stringWithString:path]; - NSRange aRange = NSMakeRange(0, [safePath length]); - - while (aRange.length) { - aRange = [safePath rangeOfString:@"'" options:0 range:aRange]; - if (!aRange.length) - break; - [safePath replaceCharactersInRange:aRange - withString:@"\'\\'\'"]; - aRange.location += 4; - aRange.length = [safePath length] - aRange.location; - } - - safePath = [NSMutableString stringWithFormat:@"'%@'", safePath]; - - return safePath; -} - - -- (void)applicationDidFinishLaunching:(NSNotification *)aNotification -{ - // Block SIGPIPE - // SIGPIPE repeatably killed the (rootless) server when closing a - // dozen xterms in rapid succession. Those SIGPIPEs should have been - // sent to the X server thread, which ignores them, but somehow they - // ended up in this thread instead. - { - sigset_t set; - sigemptyset(&set); - sigaddset(&set, SIGPIPE); - // pthread_sigmask not implemented yet - // pthread_sigmask(SIG_BLOCK, &set, NULL); - sigprocmask(SIG_BLOCK, &set, NULL); - } - - if (quartzRootless == -1) { - // The display mode was not set from the command line. - // Show mode pick panel? - if ([Preferences modeWindow]) { - if ([Preferences rootless]) - [startRootlessButton setKeyEquivalent:@"\r"]; - else - [startFullScreenButton setKeyEquivalent:@"\r"]; - [modeWindow makeKeyAndOrderFront:nil]; - } else { - // Otherwise use default mode - quartzRootless = [Preferences rootless]; - [self startX]; - } - } else { - [self startX]; - } -} - - -// Load the appropriate display mode bundle -- (BOOL)loadDisplayBundle -{ - if (quartzRootless) { - NSEnumerator *enumerator = [[Preferences displayModeBundles] - objectEnumerator]; - NSString *bundleName; - - while ((bundleName = [enumerator nextObject])) { - if (QuartzLoadDisplayBundle([bundleName cString])) - return YES; - } - - return NO; - } else { - return QuartzLoadDisplayBundle("fullscreen.bundle"); - } -} - - -// Start the X server thread and the client process -- (void)startX -{ - NSDictionary *appDictionary; - NSString *appVersion; - - [modeWindow close]; - - // Calculate the height of the menu bar so rootless mode can avoid it - if (quartzRootless) { - aquaMenuBarHeight = NSHeight([[NSScreen mainScreen] frame]) - - NSMaxY([[NSScreen mainScreen] visibleFrame]) - 1; - aquaMenuBarBox = - NSMakeRect(0, NSMaxY([[NSScreen mainScreen] visibleFrame]) + 1, - NSWidth([[NSScreen mainScreen] frame]), - aquaMenuBarHeight); - } - - // Write the XDarwin version to the console log - appDictionary = [[NSBundle mainBundle] infoDictionary]; - appVersion = [appDictionary objectForKey:@"CFBundleShortVersionString"]; - if (appVersion) - NSLog(@"\n%@", appVersion); - else - NSLog(@"No version"); - - if (![self loadDisplayBundle]) - [NSApp terminate:nil]; - - if (quartzRootless) { - // We need to track whether the key window is an X11 window - [[NSNotificationCenter defaultCenter] - addObserver:self - selector:@selector(windowBecameKey:) - name:NSWindowDidBecomeKeyNotification - object:nil]; - - // Request notification of screen layout changes even when this - // is not the active application - [[NSDistributedNotificationCenter defaultCenter] - addObserver:self - selector:@selector(applicationDidChangeScreenParameters:) - name:NSApplicationDidChangeScreenParametersNotification - object:nil]; - } - - // Start the X server thread - serverState = server_Starting; - [NSThread detachNewThreadSelector:@selector(run) toTarget:self - withObject:nil]; - - // Start the X clients if started from GUI - if (quartzStartClients) { - [self startXClients]; - } - - if (quartzRootless) { - // There is no help window for rootless; just start - [helpWindow close]; - helpWindow = nil; - } else { - IONotificationPortRef notify; - io_object_t anIterator; - - // Register for system power notifications - root_port = IORegisterForSystemPower(0, ¬ify, powerDidChange, - &anIterator); - if (root_port) { - CFRunLoopAddSource([[NSRunLoop currentRunLoop] getCFRunLoop], - IONotificationPortGetRunLoopSource(notify), - kCFRunLoopDefaultMode); - } else { - NSLog(@"Failed to register for system power notifications."); - } - - // Show the X switch window if not using dock icon switching - if (![Preferences dockSwitch]) - [switchWindow orderFront:nil]; - - if ([Preferences startupHelp]) { - // display the full screen mode help - [helpWindow makeKeyAndOrderFront:nil]; - queueShowServer = NO; - } else { - // start running full screen and make sure X is visible - ShowMenuBar(); - [self closeHelpAndShow:nil]; - } - } -} - -// Finish starting the X server thread -// This includes anything that must be done after the X server is -// ready to process events after the first or subsequent generations. -- (void)finishStartX -{ - sendServerEvents = YES; - serverState = server_Running; - - if (quartzRootless) { - [self forceShowServer:[NSApp isActive]]; - } else { - [self forceShowServer:queueShowServer]; - } - - if (quartzServerQuitting) { - [self quitServer]; - if (pendingAppQuitReply) - [NSApp replyToApplicationShouldTerminate:YES]; - return; - } - - if (pendingClients) { - NSEnumerator *enumerator = [pendingClients objectEnumerator]; - NSString *filename; - - while ((filename = [enumerator nextObject])) { - [self runClient:filename]; - } - - [pendingClients release]; - pendingClients = nil; - } -} - -// Start the first X clients in a separate process -- (BOOL)startXClients -{ - struct passwd *passwdUser; - NSString *shellPath, *dashShellName, *commandStr, *startXPath; - NSString *safeStartXPath; - NSBundle *thisBundle; - const char *shellPathStr, *newargv[3], *shellNameStr; - int fd[2], outFD, length, shellType, i; - - // Register to catch the signal when the client processs finishes - signal(SIGCHLD, childDone); - - // Get user's password database entry - passwdUser = getpwuid(getuid()); - - // Find the shell to use - if ([Preferences useDefaultShell]) - shellPath = [NSString stringWithCString:passwdUser->pw_shell]; - else - shellPath = [Preferences shellString]; - - dashShellName = [NSString stringWithFormat:@"-%@", - [shellPath lastPathComponent]]; - shellPathStr = [shellPath cString]; - shellNameStr = [[shellPath lastPathComponent] cString]; - - if (access(shellPathStr, X_OK)) { - NSLog(@"Shell %s is not valid!", shellPathStr); - return NO; - } - - // Find the type of shell - for (i = 0; shellList[i].name; i++) { - if (!strcmp(shellNameStr, shellList[i].name)) - break; - } - shellType = shellList[i].type; - - newargv[0] = [dashShellName cString]; - if (shellType == shell_Bourne) { - // Bourne shells need to be told they are interactive to make - // sure they read all their initialization files. - newargv[1] = "-i"; - newargv[2] = NULL; - } else { - newargv[1] = NULL; - } - - // Create a pipe to communicate with the X client process - NSAssert(pipe(fd) == 0, @"Could not create new pipe."); - - // Open a file descriptor for writing to stdout and stderr - outFD = open("/dev/console", O_WRONLY, 0); - if (outFD == -1) { - outFD = open("/dev/null", O_WRONLY, 0); - NSAssert(outFD != -1, @"Could not open shell output."); - } - - // Fork process to start X clients in user's default shell - // Sadly we can't use NSTask because we need to start a login shell. - // Login shells are started by passing "-" as the first character of - // argument 0. NSTask forces argument 0 to be the shell's name. - clientPID = vfork(); - if (clientPID == 0) { - - // Inside the new process: - if (fd[0] != STDIN_FILENO) { - dup2(fd[0], STDIN_FILENO); // Take stdin from pipe - close(fd[0]); - } - close(fd[1]); // Close write end of pipe - if (outFD == STDOUT_FILENO) { // Setup stdout and stderr - dup2(outFD, STDERR_FILENO); - } else if (outFD == STDERR_FILENO) { - dup2(outFD, STDOUT_FILENO); - } else { - dup2(outFD, STDERR_FILENO); - dup2(outFD, STDOUT_FILENO); - close(outFD); - } - - // Setup environment - setenv("HOME", passwdUser->pw_dir, 1); - setenv("SHELL", shellPathStr, 1); - setenv("LOGNAME", passwdUser->pw_name, 1); - setenv("USER", passwdUser->pw_name, 1); - setenv("TERM", "unknown", 1); - if (chdir(passwdUser->pw_dir)) // Change to user's home dir - NSLog(@"Could not change to user's home directory."); - - execv(shellPathStr, (char * const *)newargv); // Start user's shell - - NSLog(@"Could not start X client process with errno = %i.", errno); - _exit(127); - } - - // In parent process: - close(fd[0]); // Close read end of pipe - close(outFD); // Close output file descriptor - - thisBundle = [NSBundle bundleForClass:[self class]]; - startXPath = [thisBundle pathForResource:@"startXClients" ofType:nil]; - if (!startXPath) { - NSLog(@"Could not find startXClients in application bundle!"); - return NO; - } - - safeStartXPath = [self makeSafePath:startXPath]; - - if ([Preferences addToPath]) { - commandStr = [NSString stringWithFormat:@"%@ :%d %@\n", - safeStartXPath, [Preferences display], - [Preferences addToPathString]]; - } else { - commandStr = [NSString stringWithFormat:@"%@ :%d\n", - safeStartXPath, [Preferences display]]; - } - - length = [commandStr cStringLength]; - if (write(fd[1], [commandStr cString], length) != length) { - NSLog(@"Write to X client process failed."); - return NO; - } - - // Close the pipe so that shell will terminate when xinit quits - close(fd[1]); - - return YES; -} - -// Start the specified client in its own task -// FIXME: This should be unified with startXClients -- (void)runClient:(NSString *)filename -{ - const char *command = [[self makeSafePath:filename] UTF8String]; - const char *shell; - const char *argv[5]; - int child1, child2 = 0; - int status; - - shell = getenv("SHELL"); - if (shell == NULL) - shell = "/bin/bash"; - - /* At least [ba]sh, [t]csh and zsh all work with this syntax. We - need to use an interactive shell to force it to load the user's - environment. */ - - argv[0] = shell; - argv[1] = "-i"; - argv[2] = "-c"; - argv[3] = command; - argv[4] = NULL; - - /* Do the fork-twice trick to avoid having to reap zombies */ - - child1 = fork(); - - switch (child1) { - case -1: /* error */ - break; - - case 0: /* child1 */ - child2 = fork(); - - switch (child2) { - int max_files, i; - char buf[1024], *tem; - - case -1: /* error */ - _exit(1); - - case 0: /* child2 */ - /* close all open files except for standard streams */ - max_files = sysconf(_SC_OPEN_MAX); - for (i = 3; i < max_files; i++) - close(i); - - /* ensure stdin is on /dev/null */ - close(0); - open("/dev/null", O_RDONLY); - - /* cd $HOME */ - tem = getenv("HOME"); - if (tem != NULL) - chdir(tem); - - /* Setup environment */ -// snprintf(buf, sizeof(buf), ":%s", display); -// setenv("DISPLAY", buf, TRUE); - tem = getenv("PATH"); - if (tem != NULL && tem[0] != NULL) - snprintf(buf, sizeof(buf), "%s:/usr/X11/bin", tem); - else - snprintf(buf, sizeof(buf), "/bin:/usr/bin:/usr/X11/bin"); - setenv("PATH", buf, TRUE); - - execvp(argv[0], (char **const) argv); - - _exit(2); - - default: /* parent (child1) */ - _exit(0); - } - break; - - default: /* parent */ - waitpid(child1, &status, 0); - } -} - -// Run the X server thread -- (void)run -{ - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - - [serverLock lock]; - main(argcGlobal, argvGlobal, envpGlobal); - serverVisible = NO; - [pool release]; - [serverLock unlock]; - QuartzMessageMainThread(kQuartzServerDied, nil, 0); -} - -// Full screen mode was picked in the mode pick panel -- (IBAction)startFullScreen:(id)sender -{ - [Preferences setModeWindow:[startupModeButton intValue]]; - [Preferences saveToDisk]; - quartzRootless = FALSE; - [self startX]; -} - -// Rootless mode was picked in the mode pick panel -- (IBAction)startRootless:(id)sender -{ - [Preferences setModeWindow:[startupModeButton intValue]]; - [Preferences saveToDisk]; - quartzRootless = TRUE; - [self startX]; -} - -// Close the help splash screen and show the X server -- (IBAction)closeHelpAndShow:(id)sender -{ - if (sender) { - int helpVal = [startupHelpButton intValue]; - [Preferences setStartupHelp:helpVal]; - [Preferences saveToDisk]; - } - [helpWindow close]; - helpWindow = nil; - - [self forceShowServer:YES]; - [NSApp activateIgnoringOtherApps:YES]; -} - -// Show the Aqua-X11 switch panel useful for fullscreen mode -- (IBAction)showSwitchPanel:(id)sender -{ - [switchWindow orderFront:nil]; -} - -// Show the X server when sent message from GUI -- (IBAction)showAction:(id)sender -{ - [self forceShowServer:YES]; -} - -// Show or hide the X server or menu bar in rootless mode -- (void)toggle -{ - if (quartzRootless) { -#if 0 - // FIXME: Remove or add option to not dodge menubar - if (rootlessMenuBarVisible) - HideMenuBar(); - else - ShowMenuBar(); - rootlessMenuBarVisible = !rootlessMenuBarVisible; -#endif - } else { - [self showServer:!serverVisible]; - } -} - -// Show or hide the X server on screen -- (void)showServer:(BOOL)show -{ - // Do not show or hide multiple times in a row - if (serverVisible == show) - return; - - if (sendServerEvents) { - [self sendShowHide:show]; - } else if (serverState == server_Starting) { - queueShowServer = show; - } -} - -// Show or hide the X server irregardless of the current state -- (void)forceShowServer:(BOOL)show -{ - serverVisible = !show; - [self showServer:show]; -} - -// Tell the X server to show or hide itself. -// This ignores the current X server visible state. -// -// In full screen mode, the order we do things is important and must be -// preserved between the threads. X drawing operations have to be performed -// in the X server thread. It appears that we have the additional -// constraint that we must hide and show the menu bar in the main thread. -// -// To show the X server: -// 1. Capture the displays. (Main thread) -// 2. Hide the menu bar. (Must be in main thread) -// 3. Send event to X server thread to redraw X screen. -// 4. Redraw the X screen. (Must be in X server thread) -// -// To hide the X server: -// 1. Send event to X server thread to stop drawing. -// 2. Stop drawing to the X screen. (Must be in X server thread) -// 3. Message main thread that drawing is stopped. -// 4. If main thread still wants X server hidden: -// a. Release the displays. (Main thread) -// b. Unhide the menu bar. (Must be in main thread) -// Otherwise we have already queued an event to start drawing again. -// -- (void)sendShowHide:(BOOL)show -{ - xEvent xe; - - [self getMousePosition:&xe fromEvent:nil]; - - if (show) { - if (!quartzRootless) { - quartzProcs->CaptureScreens(); - HideMenuBar(); - } - [self activateX11:YES]; - - // the mouse location will have moved; track it - xe.u.u.type = MotionNotify; - [self sendXEvent:&xe]; - - // inform the X server of the current modifier state - xe.u.u.type = kXDarwinUpdateModifiers; - xe.u.clientMessage.u.l.longs0 = [[NSApp currentEvent] modifierFlags]; - [self sendXEvent:&xe]; - - // If there is no AppleWM-aware cut and paste manager, do what we can. - if ((AppleWMSelectedEvents() & AppleWMPasteboardNotifyMask) == 0) { - // put the pasteboard into the X cut buffer - [self readPasteboard]; - } - } else { - // If there is no AppleWM-aware cut and paste manager, do what we can. - if ((AppleWMSelectedEvents() & AppleWMPasteboardNotifyMask) == 0) { - // put the X cut buffer on the pasteboard - [self writePasteboard]; - } - - [self activateX11:NO]; - } - - serverVisible = show; -} - -// Enable or disable rendering to the X screen -- (void)setRootClip:(BOOL)enable -{ - xEvent xe; - - xe.u.u.type = kXDarwinSetRootClip; - xe.u.clientMessage.u.l.longs0 = enable; - [self sendXEvent:&xe]; -} - -// Tell the X server to read from the pasteboard into the X cut buffer -- (void)readPasteboard -{ - xEvent xe; - - xe.u.u.type = kXDarwinReadPasteboard; - [self sendXEvent:&xe]; -} - -// Tell the X server to write the X cut buffer into the pasteboard -- (void)writePasteboard -{ - xEvent xe; - - xe.u.u.type = kXDarwinWritePasteboard; - [self sendXEvent:&xe]; -} - -- (void)quitServer -{ - xEvent xe; - - xe.u.u.type = kXDarwinQuit; - [self sendXEvent:&xe]; - - // Revert to the Mac OS X arrow cursor. The main thread sets the cursor - // and it won't be responding to future requests to change it. - [[NSCursor arrowCursor] set]; - - serverState = server_Quitting; -} - -- (void)sendXEvent:(xEvent *)xe -{ - // This field should be filled in for every event - xe->u.keyButtonPointer.time = GetTimeInMillis(); - - DarwinEQEnqueue(xe); -} - -// Handle messages from the X server thread -- (void)handlePortMessage:(NSPortMessage *)portMessage -{ - unsigned msg = [portMessage msgid]; - - switch (msg) { - case kQuartzServerHidden: - // Make sure the X server wasn't queued to be shown again while - // the hide was pending. - if (!quartzRootless && !serverVisible) { - quartzProcs->ReleaseScreens(); - ShowMenuBar(); - } - break; - - case kQuartzServerStarted: - [self finishStartX]; - break; - - case kQuartzServerDied: - sendServerEvents = NO; - serverState = server_Done; - if (!quartzServerQuitting) { - [NSApp terminate:nil]; // quit if we aren't already - } - break; - - case kQuartzCursorUpdate: - if (quartzProcs->CursorUpdate) - quartzProcs->CursorUpdate(); - break; - - case kQuartzPostEvent: - { - const xEvent *xe = [[[portMessage components] lastObject] bytes]; - DarwinEQEnqueue(xe); - break; - } - - case kQuartzSetWindowMenu: - { - NSArray *list; - [[[portMessage components] lastObject] getBytes:&list]; - [self setX11WindowList:list]; - [list release]; - break; - } - - case kQuartzSetWindowMenuCheck: - { - int n; - [[[portMessage components] lastObject] getBytes:&n]; - [self setX11WindowCheck:[NSNumber numberWithInt:n]]; - break; - } - - case kQuartzSetFrontProcess: - [NSApp activateIgnoringOtherApps:YES]; - break; - - case kQuartzSetCanQuit: - { - int n; - [[[portMessage components] lastObject] getBytes:&n]; - quitWithoutQuery = (BOOL) n; - break; - } - - default: - NSLog(@"Unknown message from server thread."); - } -} - -// Quit the X server when the X client process finishes -- (void)clientProcessDone:(int)clientStatus -{ - if (WIFEXITED(clientStatus)) { - int exitStatus = WEXITSTATUS(clientStatus); - if (exitStatus != 0) - NSLog(@"X client process terminated with status %i.", exitStatus); - } else { - NSLog(@"X client process terminated abnormally."); - } - - if (!quartzServerQuitting) { - [NSApp terminate:nil]; // quit if we aren't already - } -} - -// User selected an X11 window from a menu -- (IBAction)itemSelected:(id)sender -{ - xEvent xe; - - [NSApp activateIgnoringOtherApps:YES]; - - // Notify the client of the change through the X server thread - xe.u.u.type = kXDarwinControllerNotify; - xe.u.clientMessage.u.l.longs0 = AppleWMWindowMenuItem; - xe.u.clientMessage.u.l.longs1 = [sender tag]; - [self sendXEvent:&xe]; -} - -// User selected Next from window menu -- (IBAction)nextWindow:(id)sender -{ - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMNextWindow); -} - -// User selected Previous from window menu -- (IBAction)previousWindow:(id)sender -{ - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMPreviousWindow); -} - -/* - * The XPR implementation handles close, minimize, and zoom actions for X11 - * windows here, while CR handles these in the NSWindow class. - */ - -// Handle Close from window menu for X11 window in XPR implementation -- (IBAction)performClose:(id)sender -{ - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMCloseWindow); -} - -// Handle Minimize from window menu for X11 window in XPR implementation -- (IBAction)performMiniaturize:(id)sender -{ - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMMinimizeWindow); -} - -// Handle Zoom from window menu for X11 window in XPR implementation -- (IBAction)performZoom:(id)sender -{ - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMZoomWindow); -} - -// Handle "Bring All to Front" from window menu -- (IBAction)bringAllToFront:(id)sender -{ - if ((AppleWMSelectedEvents() & AppleWMControllerNotifyMask) != 0) { - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMBringAllToFront); - } else { - [NSApp arrangeInFront:nil]; - } -} - -// This ends up at the end of the responder chain. -- (IBAction)copy:(id)sender -{ - QuartzMessageServerThread(kXDarwinPasteboardNotify, 1, - AppleWMCopyToPasteboard); -} - -// Set whether or not X11 is active and should receive all key events -- (void)activateX11:(BOOL)state -{ - if (state) { - QuartzMessageServerThread(kXDarwinActivate, 0); - } - else { - QuartzMessageServerThread(kXDarwinDeactivate, 0); - } - - x11Active = state; -} - -// Some NSWindow became the key window -- (void)windowBecameKey:(NSNotification *)notification -{ - NSWindow *window = [notification object]; - - if (quartzProcs->IsX11Window(window, [window windowNumber])) { - if (!x11Active) - [self activateX11:YES]; - } else { - if (x11Active) - [self activateX11:NO]; - } -} - -// Set the Apple-WM specifiable part of the window menu -- (void)setX11WindowList:(NSArray *)list -{ - NSMenuItem *item; - int first, count, i; - xEvent xe; - - /* Work backwards so we don't mess up the indices */ - first = [windowMenu indexOfItem:windowSeparator] + 1; - if (first > 0) { - count = [windowMenu numberOfItems]; - for (i = count - 1; i >= first; i--) - [windowMenu removeItemAtIndex:i]; - } else { - windowSeparator = (NSMenuItem *)[windowMenu addItemWithTitle:@"" - action:nil - keyEquivalent:@""]; - } - - count = [dockMenu numberOfItems]; - for (i = 0; i < count; i++) - [dockMenu removeItemAtIndex:0]; - - count = [list count]; - - for (i = 0; i < count; i++) - { - NSString *name, *shortcut; - - name = [[list objectAtIndex:i] objectAtIndex:0]; - shortcut = [[list objectAtIndex:i] objectAtIndex:1]; - - item = (NSMenuItem *)[windowMenu addItemWithTitle:name - action:@selector(itemSelected:) - keyEquivalent:shortcut]; - [item setTarget:self]; - [item setTag:i]; - [item setEnabled:YES]; - - item = (NSMenuItem *)[dockMenu insertItemWithTitle:name - action:@selector(itemSelected:) - keyEquivalent:shortcut atIndex:i]; - [item setTarget:self]; - [item setTag:i]; - [item setEnabled:YES]; - } - - if (checkedWindowItem >= 0 && checkedWindowItem < count) - { - item = (NSMenuItem *)[windowMenu itemAtIndex:first + checkedWindowItem]; - [item setState:NSOnState]; - item = (NSMenuItem *)[dockMenu itemAtIndex:checkedWindowItem]; - [item setState:NSOnState]; - } - - // Notify the client of the change through the X server thread - xe.u.u.type = kXDarwinControllerNotify; - xe.u.clientMessage.u.l.longs0 = AppleWMWindowMenuNotify; - [self sendXEvent:&xe]; -} - -// Set the checked item on the Apple-WM specifiable window menu -- (void)setX11WindowCheck:(NSNumber *)nn -{ - NSMenuItem *item; - int first, count; - int n = [nn intValue]; - - first = [windowMenu indexOfItem:windowSeparator] + 1; - count = [windowMenu numberOfItems] - first; - - if (checkedWindowItem >= 0 && checkedWindowItem < count) - { - item = (NSMenuItem *)[windowMenu itemAtIndex:first + checkedWindowItem]; - [item setState:NSOffState]; - item = (NSMenuItem *)[dockMenu itemAtIndex:checkedWindowItem]; - [item setState:NSOffState]; - } - if (n >= 0 && n < count) - { - item = (NSMenuItem *)[windowMenu itemAtIndex:first + n]; - [item setState:NSOnState]; - item = (NSMenuItem *)[dockMenu itemAtIndex:n]; - [item setState:NSOnState]; - } - checkedWindowItem = n; -} - -// Return whether or not a menu item should be enabled -- (BOOL)validateMenuItem:(NSMenuItem *)item -{ - NSMenu *menu = [item menu]; - - if (menu == windowMenu && [item tag] == 30) { - // Mode switch panel is for fullscreen only - return !quartzRootless; - } - else if ((menu == windowMenu && [item tag] != 40) || menu == dockMenu) { - // The special window and dock menu items should not be active unless - // there is an AppleWM-aware window manager running. - return (AppleWMSelectedEvents() & AppleWMControllerNotifyMask) != 0; - } - else { - return TRUE; - } -} - -/* - * Application Delegate Methods - */ - -- (void)applicationDidChangeScreenParameters:(NSNotification *)aNotification -{ - if (quartzProcs->ScreenChanged) - quartzProcs->ScreenChanged(); -} - -- (void)applicationDidHide:(NSNotification *)aNotification -{ - if ((AppleWMSelectedEvents() & AppleWMControllerNotifyMask) != 0) { - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMHideAll); - } else { - if (quartzProcs->HideWindows) - quartzProcs->HideWindows(YES); - } -} - -- (void)applicationDidUnhide:(NSNotification *)aNotification -{ - if ((AppleWMSelectedEvents() & AppleWMControllerNotifyMask) != 0) { - QuartzMessageServerThread(kXDarwinControllerNotify, 1, - AppleWMShowAll); - } else { - if (quartzProcs->HideWindows) - quartzProcs->HideWindows(NO); - } -} - -// Called when the user clicks the application icon, -// but not when Cmd-Tab is used. -// Rootless: Don't switch until applicationWillBecomeActive. -- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication - hasVisibleWindows:(BOOL)flag -{ - if ([Preferences dockSwitch] && !quartzRootless) { - [self showServer:YES]; - } - return NO; -} - -- (void)applicationWillResignActive:(NSNotification *)aNotification -{ - [self showServer:NO]; -} - -- (void)applicationWillBecomeActive:(NSNotification *)aNotification -{ - if (quartzRootless) { - [self showServer:YES]; - - // If there is no AppleWM-aware window manager, we can't allow - // interleaving of Aqua and X11 windows. - if ((AppleWMSelectedEvents() & AppleWMControllerNotifyMask) == 0) { - [NSApp arrangeInFront:nil]; - } - } -} - -// Called when the user opens a document type that we claim (ie. an X11 executable). -- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename -{ - if (serverState == server_Running) { - [self runClient:filename]; - return YES; - } - else if (serverState == server_NotStarted || serverState == server_Starting) { - if ([filename UTF8String][0] != ':') { // Ignore display names - if (!pendingClients) { - pendingClients = [[NSMutableArray alloc] initWithCapacity:1]; - } - [pendingClients addObject:filename]; - return YES; // Assume it will launch successfully - } - return NO; - } - - // If the server is quitting or done, - // its too late to launch new clients this time. - return NO; -} - -@end - - -// Send a message to the main thread, which calls handlePortMessage in -// response. Must only be called from the X server thread because -// NSPort is not thread safe. -void QuartzMessageMainThread(unsigned msg, void *data, unsigned length) -{ - if (length > 0) { - NSData *eventData = [NSData dataWithBytes:data length:length]; - NSArray *eventArray = [NSArray arrayWithObject:eventData]; - NSPortMessage *newMessage = - [[NSPortMessage alloc] - initWithSendPort:signalPort - receivePort:returnPort components:eventArray]; - [newMessage setMsgid:msg]; - [newMessage sendBeforeDate:[NSDate distantPast]]; - [newMessage release]; - } else { - [signalMessage setMsgid:msg]; - [signalMessage sendBeforeDate:[NSDate distantPast]]; - } -} - -void -QuartzSetWindowMenu(int nitems, const char **items, - const char *shortcuts) -{ - NSMutableArray *array; - int i; - - array = [[NSMutableArray alloc] initWithCapacity:nitems]; - - for (i = 0; i < nitems; i++) { - NSMutableArray *subarray = [NSMutableArray arrayWithCapacity:2]; - NSString *string = [NSString stringWithUTF8String:items[i]]; - - [subarray addObject:string]; - - if (shortcuts[i] != 0) { - NSString *number = [NSString stringWithFormat:@"%d", - shortcuts[i]]; - [subarray addObject:number]; - } else - [subarray addObject:@""]; - - [array addObject:subarray]; - } - - /* Send the array of strings over to the main thread. */ - /* Will be released in main thread. */ - QuartzMessageMainThread(kQuartzSetWindowMenu, &array, sizeof(NSArray *)); -} - -// Handle SIGCHLD signals -static void childDone(int sig) -{ - int clientStatus; - - if (clientPID == 0) - return; - - // Make sure it was the client task that finished - if (waitpid(clientPID, &clientStatus, WNOHANG) == clientPID) { - if (WIFSTOPPED(clientStatus)) - return; - clientPID = 0; - [oneXServer clientProcessDone:clientStatus]; - } -} - -static void powerDidChange( - void *x, - io_service_t y, - natural_t messageType, - void *messageArgument) -{ - switch (messageType) { - case kIOMessageSystemWillSleep: - if (!quartzRootless) { - [oneXServer setRootClip:FALSE]; - } - IOAllowPowerChange(root_port, (long)messageArgument); - break; - case kIOMessageCanSystemSleep: - IOAllowPowerChange(root_port, (long)messageArgument); - break; - case kIOMessageSystemHasPoweredOn: - if (!quartzRootless) { - [oneXServer setRootClip:TRUE]; - } - break; - } - -} |