diff options
Diffstat (limited to 'xc/programs/Xserver/hw/darwin/bundle/Xserver.m')
| -rw-r--r-- | xc/programs/Xserver/hw/darwin/bundle/Xserver.m | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/xc/programs/Xserver/hw/darwin/bundle/Xserver.m b/xc/programs/Xserver/hw/darwin/bundle/Xserver.m deleted file mode 100644 index 55c66ca1e..000000000 --- a/xc/programs/Xserver/hw/darwin/bundle/Xserver.m +++ /dev/null @@ -1,828 +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. -// -/* $XFree86: xc/programs/Xserver/hw/darwin/bundle/Xserver.m,v 1.37 2002/01/01 23:09:00 torrey Exp $ */ - -#import "Xserver.h" -#import "Preferences.h" -#import "XWindow.h" -#include "quartzCommon.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> - -// 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 NSPortMessage *signalMessage; -static pid_t clientPID; -static Xserver *oneXserver; -static NSRect aquaMenuBarBox; - - -@implementation Xserver - -- (id)init -{ - self = [super init]; - oneXserver = self; - - serverLock = [[NSRecursiveLock alloc] init]; - clientPID = 0; - sendServerEvents = NO; - serverVisible = NO; - rootlessMenuBarVisible = YES; - appQuitting = NO; - mouseState = 0; - eventWriteFD = quartzEventWriteFD; - windowClass = [XWindow class]; - - // set up a port to safely send messages to main thread from server thread - signalPort = [[NSPort port] retain]; - signalMessage = [[NSPortMessage alloc] initWithSendPort:signalPort - receivePort:signalPort 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]) { - appQuitting = YES; - if (clientPID != 0) - kill(clientPID, SIGINT); - return NSTerminateNow; - } - - if (clientPID != 0 || !quartzStartClients) { - int but; - - // Hide the X server and stop sending it events - [self hide]; - sendServerEvents = NO; - - 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 - sendServerEvents = YES; - return NSTerminateCancel; - } - } - - appQuitting = YES; - if (clientPID != 0) - kill(clientPID, SIGINT); - [self killServer]; - 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 -{ - NXEvent ev; - static BOOL mouse1Pressed = NO; - BOOL onScreen; - - if (!sendServerEvents) { - return NO; - } - - ev.type = [anEvent type]; - ev.flags = [anEvent modifierFlags]; - - if (!quartzRootless) { - // Check for switch keypress - if ((ev.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 (((ev.flags & switchFlags) == switchFlags) && - ((ev.flags & ~(switchFlags | NSAlphaShiftKeyMask)) == 0)) - { - [self toggle]; - return YES; - } - } - - if (!serverVisible) - return NO; - } - - // If the mouse is not on the valid X display area, - // we don't send the X server key events. - onScreen = [self getNXMouse:&ev]; - - switch (ev.type) { - case NSLeftMouseUp: - if (quartzRootless && !mouse1Pressed) { - // MouseUp after MouseDown in menu - ignore - return NO; - } - mouse1Pressed = NO; - break; - case NSLeftMouseDown: - if (quartzRootless && - ! ([anEvent window] && - [[anEvent window] isKindOfClass:windowClass])) { - // Click in non X window - ignore - return NO; - } - mouse1Pressed = YES; - case NSMouseMoved: - break; - case NSLeftMouseDragged: - case NSRightMouseDragged: - case 27: // undocumented high button MouseDragged event - ev.type=NSMouseMoved; - break; - case NSSystemDefined: - if (![anEvent subtype]==7) - return NO; // we only use multibutton mouse events - if ([anEvent data1] & 1) - return NO; // skip mouse button 1 events - if (mouseState==[anEvent data2]) - return NO; // ignore double events - ev.data.compound.subType=[anEvent subtype]; - ev.data.compound.misc.L[0]=[anEvent data1]; - ev.data.compound.misc.L[1]=mouseState=[anEvent data2]; - break; - case NSScrollWheel: - ev.data.scrollWheel.deltaAxis1=[anEvent deltaY]; - break; - case NSKeyDown: - case NSKeyUp: - if (!onScreen) - return NO; - ev.data.key.keyCode = [anEvent keyCode]; - ev.data.key.repeat = [anEvent isARepeat]; - break; - case NSFlagsChanged: - ev.data.key.keyCode = [anEvent keyCode]; - break; - case 25: // undocumented MouseDown - case 26: // undocumented MouseUp - // Hide these from AppKit to avoid its log messages - return YES; - default: - return NO; - } - - [self sendNXEvent:&ev]; - - // Rootless: Send first NSLeftMouseDown to 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 && - (ev.type == NSLeftMouseDown || ev.type == NSLeftMouseUp) && - [anEvent clickCount] == 1 && - [[anEvent window] isKindOfClass:windowClass]) - { - return NO; - } - - return YES; -} - -// Fill in NXEvent with mouse coordinates, inverting y coordinate. -// 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)getNXMouse:(NXEvent*)ev -{ - NSPoint pt = [NSEvent mouseLocation]; - - ev->location.x = (int)(pt.x); - - if (quartzRootless && NSMouseInRect(pt, aquaMenuBarBox, NO)) { - // mouse in menu bar - tell X11 that it's just below instead - ev->location.y = aquaMenuBarHeight; - return NO; - } else { - ev->location.y = NSHeight([[NSScreen mainScreen] frame]) - (int)(pt.y); - return YES; - } -} - -// Append a string to the given enviroment variable -+ (void)append:(NSString*)value toEnv:(NSString*)name -{ - setenv([name cString], - [[[NSString stringWithCString:getenv([name cString])] - stringByAppendingString:value] cString],1); -} - -- (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]) { - [modeWindow makeKeyAndOrderFront:nil]; - } else { - // Otherwise use default mode - quartzRootless = [Preferences rootless]; - [self startX]; - } - } else { - [self startX]; - } -} - -// 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"); - - // Start the X server thread - [NSThread detachNewThreadSelector:@selector(run) toTarget:self - withObject:nil]; - sendServerEvents = YES; - - // 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; - if ([NSApp isActive]) - [self sendShowHide:YES]; - else - [self sendShowHide:NO]; - } else { - // 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 - [self sendShowHide:NO]; - [helpWindow makeKeyAndOrderFront:nil]; - } else { - // start running full screen and make sure X is visible - ShowMenuBar(); - [self closeHelpAndShow:nil]; - } - } -} - -// Start the first X clients in a separate process -- (BOOL)startXClients -{ - struct passwd *passwdUser; - NSString *shellPath, *dashShellName, *commandStr, *startXPath; - NSMutableString *safeStartXPath; - NSRange aRange; - 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, 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; - } - - // We will run the startXClients script with the path in single quotes - // in case there are problematic characters in the path. We still have - // to worry about there being single quotes in the path. So, replace - // all instances of the ' character in startXPath with '\''. - safeStartXPath = [NSMutableString stringWithString:startXPath]; - aRange = NSMakeRange(0, [safeStartXPath length]); - while (aRange.length) { - aRange = [safeStartXPath rangeOfString:@"'" options:0 range:aRange]; - if (!aRange.length) - break; - [safeStartXPath replaceCharactersInRange:aRange - withString:@"\'\\'\'"]; - aRange.location += 4; - aRange.length = [safeStartXPath length] - aRange.location; - } - - 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; -} - -// 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); -} - -// 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; - - serverVisible = YES; - [self sendShowHide:YES]; - [NSApp activateIgnoringOtherApps:YES]; -} - -// Show the X server when sent message from GUI -- (IBAction)showAction:(id)sender -{ - if (sendServerEvents) - [self sendShowHide: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 { - if (serverVisible) - [self hide]; - else - [self show]; - } -} - -// Show the X server on screen -- (void)show -{ - if (!serverVisible && sendServerEvents) { - [self sendShowHide:YES]; - } -} - -// Hide the X server from the screen -- (void)hide -{ - if (serverVisible && sendServerEvents) { - [self sendShowHide:NO]; - } -} - -// Kill the X server thread -- (void)killServer -{ - NXEvent ev; - - if (serverVisible) - [self hide]; - - ev.type = NX_APPDEFINED; - ev.data.compound.subType = kXDarwinQuit; - [self sendNXEvent:&ev]; -} - -// 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 -{ - NXEvent ev; - - [self getNXMouse:&ev]; - ev.type = NX_APPDEFINED; - - if (show) { - if (!quartzRootless) { - QuartzCapture(); - HideMenuBar(); - } - ev.data.compound.subType = kXDarwinShow; - [self sendNXEvent:&ev]; - - // inform the X server of the current modifier state - ev.flags = [[NSApp currentEvent] modifierFlags]; - ev.data.compound.subType = kXDarwinUpdateModifiers; - [self sendNXEvent:&ev]; - - // put the pasteboard into the X cut buffer - [self readPasteboard]; - } else { - // put the X cut buffer on the pasteboard - [self writePasteboard]; - - ev.data.compound.subType = kXDarwinHide; - [self sendNXEvent:&ev]; - } - - serverVisible = show; -} - -// Tell the X server to read from the pasteboard into the X cut buffer -- (void)readPasteboard -{ - NXEvent ev; - - ev.type = NX_APPDEFINED; - ev.data.compound.subType = kXDarwinReadPasteboard; - [self sendNXEvent:&ev]; -} - -// Tell the X server to write the X cut buffer into the pasteboard -- (void)writePasteboard -{ - NXEvent ev; - - ev.type = NX_APPDEFINED; - ev.data.compound.subType = kXDarwinWritePasteboard; - [self sendNXEvent:&ev]; -} - -- (void)sendNXEvent:(NXEvent*)ev -{ - int bytesWritten; - - if (quartzRootless && - (ev->type == NSLeftMouseDown || ev->type == NSLeftMouseUp || - (ev->type == NSSystemDefined && ev->data.compound.subType == 7))) - { - // mouse button event - send mouseMoved to this position too - // X gets confused if it gets a click that isn't at the last - // reported mouse position. - NXEvent moveEvent = *ev; - moveEvent.type = NSMouseMoved; - [self sendNXEvent:&moveEvent]; - } - - bytesWritten = write(eventWriteFD, ev, sizeof(*ev)); - if (bytesWritten == sizeof(*ev)) - return; - NSLog(@"Bad write to event pipe."); - // FIXME: handle bad writes better? -} - -// 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) { - QuartzRelease(); - ShowMenuBar(); - } - - // FIXME: This hack is necessary (but not completely effective) - // since Mac OS X 10.0.2 - [NSCursor unhide]; - break; - - case kQuartzServerDied: - sendServerEvents = NO; - if (!appQuitting) { - [NSApp terminate:nil]; // quit if we aren't already - } - 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 (!appQuitting) { - [NSApp terminate:nil]; // quit if we aren't already - } -} - -// 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 show]; - } - return NO; -} - -- (void)applicationWillResignActive:(NSNotification *)aNotification -{ - [self hide]; -} - -- (void)applicationWillBecomeActive:(NSNotification *)aNotification -{ - if (quartzRootless) - [self show]; -} - -@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) -{ - [signalMessage setMsgid:msg]; - [signalMessage sendBeforeDate:[NSDate distantPast]]; -} - -// 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]; - } -} |