1540 lines
		
	
	
		
			46 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			1540 lines
		
	
	
		
			46 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
//
 | 
						|
//  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.
 | 
						|
 */
 | 
						|
/* $XdotOrg: xc/programs/Xserver/hw/darwin/quartz/XServer.m,v 1.3 2004/07/30 19:12:17 torrey Exp $ */
 | 
						|
/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/XServer.m,v 1.19 2003/11/24 05:39:01 torrey Exp $ */
 | 
						|
 | 
						|
#include "quartzCommon.h"
 | 
						|
 | 
						|
#define BOOL xBOOL
 | 
						|
#include "X.h"
 | 
						|
#include "Xproto.h"
 | 
						|
#include "os.h"
 | 
						|
#include "opaque.h"
 | 
						|
#include "darwin.h"
 | 
						|
#include "quartz.h"
 | 
						|
#define _APPLEWM_SERVER_
 | 
						|
#include "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/X11R6/bin", tem);
 | 
						|
                else
 | 
						|
                    snprintf(buf, sizeof(buf), "/bin:/usr/bin:/usr/X11R6/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;
 | 
						|
    }
 | 
						|
 | 
						|
}
 |