/* NSApplication.m The one and only application class Copyright (C) 1996 Free Software Foundation, Inc. Author: Scott Christley Date: 1996 Author: Felipe A. Rodriguez Date: August 1998 Author: Richard Frith-Macdonald Date: December 1998 This file is part of the GNUstep GUI Library. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef LIB_FOUNDATION_LIBRARY # include #endif #include #include #include #include #include #include #include #include #include #include #include #include #ifndef ASSIGN #define ASSIGN(object,value) ({\ if (value != object) \ { \ if (value) \ { \ [value retain]; \ } \ if (object) \ { \ [object release]; \ } \ object = value; \ } \ }) #endif // // Types // struct _NSModalSession { int runState; NSWindow *window; NSModalSession previous; }; // // Class variables // static BOOL gnustep_gui_app_is_in_dealloc; static NSEvent *null_event; static id NSApp; static NSString *NSAbortModalException = @"NSAbortModalException"; @implementation NSApplication // // Class methods // + (void)initialize { if (self == [NSApplication class]) { NSDebugLog(@"Initialize NSApplication class\n"); // Initial version [self setVersion:1]; // So the application knows gnustep_gui_app_is_in_dealloc = NO; // it's within dealloc and } // can prevent -release } // loops. + (NSApplication *)sharedApplication { // If the global application does if (!NSApp) // not yet exist then create it { NSApp = [self alloc]; // Don't combine the following two [NSApp init]; // statements into one to avoid } // problems with some classes' // initialization code that tries return NSApp; // to get the shared application. } // // Instance methods // - init { if (NSApp != self) { [self release]; return [NSApplication sharedApplication]; } [super init]; NSDebugLog(@"Begin of NSApplication -init\n"); listener = [GSServicesManager newWithApplication: self]; main_menu = nil; windows_need_update = YES; event_queue = [NSMutableArray new]; // allocate event queue current_event = [NSEvent new]; // no current event null_event = [NSEvent new]; // create dummy event [self setNextResponder:NULL]; // We are the end of // the responder chain // Set up the run loop // object for the // current thread [self setupRunLoopInputSourcesForMode:NSDefaultRunLoopMode]; [self setupRunLoopInputSourcesForMode:NSConnectionReplyMode]; [self setupRunLoopInputSourcesForMode:NSModalPanelRunLoopMode]; [self setupRunLoopInputSourcesForMode:NSEventTrackingRunLoopMode]; return self; } - (void)finishLaunching { NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; NSBundle* mainBundle = [NSBundle mainBundle]; NSString* resourcePath = [mainBundle resourcePath]; NSString* infoFilePath = [resourcePath stringByAppendingPathComponent:@"Info-gnustep.plist"]; NSDictionary* infoDict; NSString* mainModelFile; infoDict = [[NSString stringWithContentsOfFile:infoFilePath] propertyList]; mainModelFile = [infoDict objectForKey:@"NSMainNibFile"]; if (mainModelFile && ![mainModelFile isEqual:@""]) { if (![GMModel loadIMFile:mainModelFile owner:[NSApplication sharedApplication]]) NSLog (@"Cannot load the main model file '%@", mainModelFile); } // post notification that // launch will finish [nc postNotificationName: NSApplicationWillFinishLaunchingNotification object: self]; // Register our listener to // handle incoming services // requests etc. [listener registerAsServiceProvider]; // finish the launching // post notification that // launching has finished [nc postNotificationName: NSApplicationDidFinishLaunchingNotification object: self]; } - (void) dealloc { NSDebugLog(@"Freeing NSApplication\n"); // Let ourselves know we gnustep_gui_app_is_in_dealloc = YES; // are within dealloc [listener release]; [event_queue release]; [current_event release]; while (session != 0) // We may need to tidy up { // nested modal session NSModalSession tmp = session; // structures. session = tmp->previous; NSZoneFree(NSDefaultMallocZone(), tmp); } [super dealloc]; } // // Changing the active application // - (void) activateIgnoringOtherApps: (BOOL)flag { if (app_is_active == NO) { NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; /* * Menus should observe this notification in order to make themselves * visible when the application is active. */ [nc postNotificationName: NSApplicationWillBecomeActiveNotification object: self]; app_is_active = YES; [nc postNotificationName: NSApplicationDidBecomeActiveNotification object: self]; } } - (void) deactivate { if (app_is_active == YES) { NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; /* * Menus should observe this notification in order to make themselves * invisible when the application is not active. */ [nc postNotificationName: NSApplicationWillResignActiveNotification object: self]; app_is_active = NO; [nc postNotificationName: NSApplicationDidResignActiveNotification object: self]; } } - (BOOL) isActive { return app_is_active; } // // Running the main event loop // - (void) run { NSEvent *e; Class arpClass = [NSAutoreleasePool class]; /* Cache the class */ NSAutoreleasePool* pool; NSDebugLog(@"NSApplication -run\n"); /* * Set this flag here in case the application is actually terminated * inside -finishLaunching. */ app_should_quit = NO; [self finishLaunching]; app_is_running = YES; while (app_should_quit == NO) { pool = [arpClass new]; e = [self nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:YES]; if (e) [self sendEvent: e]; // update (en/disable) the // services menu's items [listener updateServicesMenu]; [main_menu update]; // send an update message // to all visible windows if (windows_need_update) [self updateWindows]; [pool release]; } NSDebugLog(@"NSApplication end of run loop\n"); } - (BOOL) isRunning { return app_is_running; } // // Running modal event loops // - (void) abortModal { if (session == 0) [NSException raise: NSAbortModalException format: @"abortModal called while not in a modal session"]; [NSException raise: NSAbortModalException format: @"abortModal"]; } - (NSModalSession) beginModalSessionForWindow: (NSWindow*)theWindow { NSModalSession theSession; theSession = (NSModalSession)NSZoneMalloc(NSDefaultMallocZone(), sizeof(struct _NSModalSession)); theSession->runState = NSRunContinuesResponse; theSession->window = theWindow; theSession->previous = session; session = theSession; return theSession; } - (void) endModalSession: (NSModalSession)theSession { NSModalSession tmp = session; if (theSession == 0) [NSException raise: NSInvalidArgumentException format: @"null pointer passed to endModalSession:"]; // Remove this session from // linked list of sessions. while (tmp && tmp != theSession) tmp = tmp->previous; if (tmp == 0) [NSException raise: NSInvalidArgumentException format: @"unknown session passed to endModalSession:"]; while (session != theSession) { tmp = session; session = tmp->previous; NSZoneFree(NSDefaultMallocZone(), tmp); } session = session->previous; NSZoneFree(NSDefaultMallocZone(), session); } - (int) runModalForWindow: (NSWindow*)theWindow { static NSModalSession theSession; static int code; theSession = NULL; code = NSRunContinuesResponse; NS_DURING { theSession = [self beginModalSessionForWindow:theWindow]; while (code == NSRunContinuesResponse) { code = [self runModalSession: theSession]; } [self endModalSession: theSession]; } NS_HANDLER { if (theSession) { [self endModalSession: theSession]; } if ([[localException name] isEqual: NSAbortModalException] == NO) [localException raise]; code = NSRunAbortedResponse; } NS_ENDHANDLER return code; } - (int) runModalSession: (NSModalSession)theSession { BOOL found = NO; NSEvent *event; unsigned count; unsigned i; if (theSession != session) [NSException raise: NSInvalidArgumentException format: @"runModalSession: with wrong session"]; theSession->runState = NSRunContinuesResponse; [theSession->window display]; [theSession->window makeKeyAndOrderFront: self]; // First we make sure // that there is an // event. do { count = [event_queue count]; for (i = 0; i < count; i++) { event = [event_queue objectAtIndex: 0]; if ([event window] == theSession->window) { found = YES; break; } else { // dump events not for // the modal window [event_queue removeObjectAtIndex: 0]; } } if (found == NO) { NSDate *limitDate = [NSDate distantFuture]; [[NSRunLoop currentRunLoop] runMode: NSDefaultRunLoopMode beforeDate: limitDate]; } } while (found == NO && theSession->runState == NSRunContinuesResponse); /* * Deal with the events in the queue. */ while (found == YES && theSession->runState == NSRunContinuesResponse) { NSAutoreleasePool *pool = [NSAutoreleasePool new]; found = NO; count = [event_queue count]; for (i = 0; i < count; i++) { event = [event_queue objectAtIndex: i]; if ([event window] == theSession->window) { ASSIGN(current_event, event); [event_queue removeObjectAtIndex: i]; found = YES; break; } } if (found == YES) { [self sendEvent: current_event]; /* * Check to see if the window has gone away - if so, end session. */ if ([[self windows] indexOfObjectIdenticalTo: session->window] == NSNotFound || [session->window isVisible] == NO) [self stopModal]; if (windows_need_update) [self updateWindows]; } [pool release]; } NSAssert(session == theSession, @"Session was changed while running"); return theSession->runState; } - (void) stop: (id)sender { if (session) [self stopModal]; else app_is_running = NO; } - (void) stopModal { [self stopModalWithCode: NSRunStoppedResponse]; } - (void) stopModalWithCode: (int)returnCode { if (session == 0) [NSException raise: NSInvalidArgumentException format:@"stopModalWithCode: when not in a modal session"]; else if (returnCode == NSRunContinuesResponse) [NSException raise: NSInvalidArgumentException format: @"stopModalWithCode: with NSRunContinuesResponse"]; session->runState = returnCode; } // // Getting, removing, and posting events // - (void)sendEvent:(NSEvent *)theEvent { if (theEvent == null_event) // Don't send null event { NSDebugLog(@"Not sending the Null Event\n"); return; } switch ([theEvent type]) // determine the event type { case NSPeriodic: // NSApplication traps the break; // periodic events case NSKeyDown: { NSDebugLog(@"send key down event\n"); [[theEvent window] sendEvent:theEvent]; break; } case NSKeyUp: { NSDebugLog(@"send key up event\n"); [[theEvent window] sendEvent:theEvent]; break; } case NSRightMouseDown: // Right mouse down if (main_menu) { static NSMenu *copyOfMainMenu = nil; NSWindow *copyMenuWindow; if (!copyOfMainMenu) // display the menu copyOfMainMenu = [main_menu copy]; // under the mouse copyMenuWindow = [copyOfMainMenu menuWindow]; [copyOfMainMenu _rightMouseDisplay]; [copyMenuWindow _captureMouse:self]; [[copyOfMainMenu menuCells] mouseDown:theEvent]; [copyMenuWindow _releaseMouse:self]; } break; default: // pass all other events to { // the event's window NSWindow* window = [theEvent window]; if (!theEvent) NSDebugLog(@"NSEvent is nil!\n"); NSDebugLog(@"NSEvent type: %d", [theEvent type]); NSDebugLog(@"send event to window"); NSDebugLog([window description]); if (!window) NSDebugLog(@"no window"); [window sendEvent:theEvent]; } } } - (NSEvent*) currentEvent; { return current_event; } - (void) discardEventsMatchingMask:(unsigned int)mask beforeEvent:(NSEvent *)lastEvent { int i = 0, count, loop; NSEvent* event = nil; BOOL match; // if queue contains if ((count = [event_queue count])) // events check them { for (loop = 0; ((event != lastEvent) && (loop < count)); loop++) { event = [event_queue objectAtIndex:i]; // Get next event from match = NO; // the events queue if (mask == NSAnyEventMask) // the any event mask match = YES; // matches all events else { switch([event type]) { case NSLeftMouseDown: if (mask & NSLeftMouseDownMask) match = YES; break; case NSLeftMouseUp: if (mask & NSLeftMouseUpMask) match = YES; break; case NSRightMouseDown: if (mask & NSRightMouseDownMask) match = YES; break; case NSRightMouseUp: if (mask & NSRightMouseUpMask) match = YES; break; case NSMouseMoved: if (mask & NSMouseMovedMask) match = YES; break; case NSMouseEntered: if (mask & NSMouseEnteredMask) match = YES; break; case NSMouseExited: if (mask & NSMouseExitedMask) match = YES; break; case NSLeftMouseDragged: if (mask & NSLeftMouseDraggedMask) match = YES; break; case NSRightMouseDragged: if (mask & NSRightMouseDraggedMask) match = YES; break; case NSKeyDown: if (mask & NSKeyDownMask) match = YES; break; case NSKeyUp: if (mask & NSKeyUpMask) match = YES; break; case NSFlagsChanged: if (mask & NSFlagsChangedMask) match = YES; break; case NSPeriodic: if (mask & NSPeriodicMask) match = YES; break; case NSCursorUpdate: if (mask & NSCursorUpdateMask) match = YES; break; default: break; } } // remove event from // the queue if it if (match) // matched the mask [event_queue removeObjectAtIndex:i]; else // inc queue cntr only i++; // if not a match else } // we will run off the } // end of the queue } - (NSEvent*)_eventMatchingMask:(unsigned int)mask dequeue:(BOOL)flag { NSEvent* event; // return the next int i, count; // event in the queue BOOL match = NO; // which matches mask [self _nextEvent]; if ((count = [event_queue count])) // if queue contains { // events check them for (i = 0; i < count; i++) { // Get next event from event = [event_queue objectAtIndex:i]; // the events queue if (mask == NSAnyEventMask) // the any event mask match = YES; // matches all events else { if (event == null_event) // do not send the null { // event match = NO; if (flag) // dequeue null event { // if flag is set [event retain]; [event_queue removeObjectAtIndex:i]; } } else { switch([event type]) { case NSLeftMouseDown: if (mask & NSLeftMouseDownMask) match = YES; break; case NSLeftMouseUp: if (mask & NSLeftMouseUpMask) match = YES; break; case NSRightMouseDown: if (mask & NSRightMouseDownMask) match = YES; break; case NSRightMouseUp: if (mask & NSRightMouseUpMask) match = YES; break; case NSMouseMoved: if (mask & NSMouseMovedMask) match = YES; break; case NSMouseEntered: if (mask & NSMouseEnteredMask) match = YES; break; case NSMouseExited: if (mask & NSMouseExitedMask) match = YES; break; case NSLeftMouseDragged: if (mask & NSLeftMouseDraggedMask) match = YES; break; case NSRightMouseDragged: if (mask & NSRightMouseDraggedMask) match = YES; break; case NSKeyDown: if (mask & NSKeyDownMask) match = YES; break; case NSKeyUp: if (mask & NSKeyUpMask) match = YES; break; case NSFlagsChanged: if (mask & NSFlagsChangedMask) match = YES; break; case NSPeriodic: if (mask & NSPeriodicMask) match = YES; break; case NSCursorUpdate: if (mask & NSCursorUpdateMask) match = YES; break; default: match = NO; break; } } } if (match) { if (flag) // dequeue the event if { // flag is set [event retain]; [event_queue removeObjectAtIndex:i]; } ASSIGN(current_event, event); return event; // return an event from } // the queue which } // matches the mask } // no event in the return nil; // queue matches mask } - (NSEvent*) nextEventMatchingMask:(unsigned int)mask untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)flag { NSEvent *event; BOOL done = NO; if (mode == NSEventTrackingRunLoopMode) // temporary hack to inTrackingLoop = YES; // regulate translation else // of X motion events inTrackingLoop = NO; // while not in a // tracking loop if ((event = [self _eventMatchingMask:mask dequeue:flag])) done = YES; else if (!expiration) expiration = [NSDate distantFuture]; while (!done) // Not in queue so wait { // for next event NSDate *limitDate, *originalLimitDate; NSRunLoop* currentLoop = [NSRunLoop currentRunLoop]; // Retain the limitDate so that it doesn't get released // accidentally by runMode:beforeDate: if a timer which // has this date as fire date gets released. limitDate = [[currentLoop limitDateForMode:mode] retain]; originalLimitDate = limitDate; if ((event = [self _eventMatchingMask:mask dequeue:flag])) { [limitDate release]; break; } if (limitDate) limitDate = [expiration earlierDate:limitDate]; else limitDate = expiration; [currentLoop runMode:mode beforeDate:limitDate]; [originalLimitDate release]; if ((event = [self _eventMatchingMask:mask dequeue:flag])) break; } // no need to unhide cursor if (!inTrackingLoop) // while in a tracking loop { if ([NSCursor isHiddenUntilMouseMoves]) // do so only if we should { // unhide when mouse moves NSEventType type = [event type]; // and event is mouse event if ((type == NSLeftMouseDown) || (type == NSLeftMouseUp) || (type == NSRightMouseDown) || (type == NSRightMouseUp) || (type == NSMouseMoved)) { [NSCursor unhide]; } } } return event; } - (void)postEvent:(NSEvent *)event atStart:(BOOL)flag { if (!flag) [event_queue addObject: event]; else [event_queue insertObject: event atIndex: 0]; } // // Sending action messages // - (BOOL) sendAction: (SEL)aSelector to: aTarget from: sender { /* * If target responds to the selector then have it perform it. */ if ([aTarget respondsToSelector: aSelector]) { [aTarget performSelector: aSelector withObject: sender]; return YES; } else { id resp = [self targetForAction: aSelector]; if (resp) { [resp performSelector: aSelector withObject: sender]; return YES; } } return NO; } - (id) targetForAction: (SEL)aSelector { NSWindow *keyWindow; NSWindow *mainWindow; id resp; keyWindow = [self keyWindow]; if (keyWindow != nil) { resp = [keyWindow firstResponder]; while (resp != nil) { if ([resp respondsToSelector: aSelector]) { return resp; } resp = [resp nextResponder]; } if ([keyWindow respondsToSelector: aSelector]) { return keyWindow; } resp = [keyWindow delegate]; if (resp != nil && [resp respondsToSelector: aSelector]) { return resp; } } mainWindow = [self mainWindow]; if (keyWindow != mainWindow && mainWindow != nil) { resp = [mainWindow firstResponder]; while (resp != nil) { if ([resp respondsToSelector: aSelector]) { return resp; } resp = [resp nextResponder]; } if ([mainWindow respondsToSelector: aSelector]) { return mainWindow; } resp = [mainWindow delegate]; if (resp != nil && [resp respondsToSelector: aSelector]) { return resp; } } if ([self respondsToSelector: aSelector]) { return self; } if (delegate != nil && [delegate respondsToSelector: aSelector]) { return delegate; } return nil; } - (BOOL) tryToPerform: (SEL)aSelector with: (id)anObject { if ([super tryToPerform: aSelector with: anObject] == YES) { return YES; } if (delegate != nil && [delegate respondsToSelector: aSelector]) { [delegate performSelector: aSelector withObject: anObject]; return YES; } return NO; } // Set the app's icon - (void) setApplicationIconImage: (NSImage*)anImage { ASSIGN(app_icon, anImage); } - (NSImage*) applicationIconImage { return app_icon; } // // Hiding and arranging windows // - (void) hide: (id)sender { if (app_is_hidden == NO) { NSMenu *menu; NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; [nc postNotificationName: NSApplicationWillHideNotification object: self]; menu = [self windowsMenu]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id win = [[itemArray objectAtIndex: i] target]; if ([win isKindOfClass: [NSWindow class]]) { [win orderOut: self]; } } } app_is_hidden = YES; [nc postNotificationName: NSApplicationDidHideNotification object: self]; /* * On hiding we also deactivate the application which will make the menus * go away too. */ [self deactivate]; } } - (BOOL) isHidden { return app_is_hidden; } - (void) unhide: (id)sender { if (app_is_hidden) { [self unhideWithoutActivation]; if (app_is_active == NO) { /* * Activation should make the applications menus visible. */ [self activateIgnoringOtherApps: YES]; } } } - (void) unhideWithoutActivation { if (app_is_hidden == YES) { NSMenu *menu; NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; [nc postNotificationName: NSApplicationWillUnhideNotification object: self]; menu = [self windowsMenu]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id win = [[itemArray objectAtIndex: i] target]; if ([win isKindOfClass: [NSWindow class]]) { [win orderFront: self]; } } } app_is_hidden = NO; [nc postNotificationName: NSApplicationDidUnhideNotification object: self]; [[self keyWindow] makeKeyAndOrderFront: self]; } } - (void) arrangeInFront: (id)sender // preliminary FIX ME { NSMenu *menu; menu = [self windowsMenu]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id win = [[itemArray objectAtIndex: i] target]; if ([win isKindOfClass: [NSWindow class]]) { [win orderFront: sender]; } } } } // // Managing windows // - (NSWindow*) keyWindow { NSArray *window_list = [self windows]; int i, j; id w; j = [window_list count]; for (i = 0; i < j; ++i) { w = [window_list objectAtIndex: i]; if ([w isKeyWindow]) return w; } return nil; } - (NSWindow*) mainWindow { NSArray *window_list = [self windows]; int i, j; id w; j = [window_list count]; for (i = 0; i < j; ++i) { w = [window_list objectAtIndex:i]; if ([w isMainWindow]) return w; } return nil; } - (NSWindow*) makeWindowsPerform: (SEL)aSelector inOrder: (BOOL)flag { NSArray *window_list = [self windows]; unsigned i; if (flag) { unsigned count = [window_list count]; for (i = 0; i < count; i++) { NSWindow *window = [window_list objectAtIndex: i]; if ([window performSelector: aSelector] != nil) { return window; } } } else { i = [window_list count]; while (i-- > 0) { NSWindow *window = [window_list objectAtIndex: i]; if ([window performSelector: aSelector] != nil) { return window; } } } return nil; } - (void)miniaturizeAll:sender { NSArray *window_list = [self windows]; unsigned i, count; for (i = 0, count = [window_list count]; i < count; i++) [[window_list objectAtIndex:i] miniaturize:sender]; } - (void) preventWindowOrdering { } - (void) setWindowsNeedUpdate: (BOOL)flag { windows_need_update = flag; } - (void)updateWindows // send an update message { // to all visible windows int i, count; NSNotificationCenter *nc = [NSNotificationCenter defaultCenter]; NSArray *window_list = [self windows]; // notify that an update is // imminent [nc postNotificationName:NSApplicationWillUpdateNotification object:self]; for (i = 0, count = [window_list count]; i < count; i++) { NSWindow *win = [window_list objectAtIndex:i]; if ([win isVisible]) // send update only if the [win update]; // window is visible } // notify update did occur [nc postNotificationName:NSApplicationDidUpdateNotification object:self]; } - (NSArray*) windows { // Implemented by backend. return nil; } - (NSWindow *)windowWithWindowNumber:(int)windowNum { NSArray *window_list = [self windows]; unsigned i, j; NSWindow *w; j = [window_list count]; for (i = 0; i < j; ++i) { w = [window_list objectAtIndex: i]; if ([w windowNumber] == windowNum) return w; } return nil; } // // Showing Standard Panels // - (void)orderFrontColorPanel:sender { } - (void)orderFrontDataLinkPanel:sender { } - (void)orderFrontHelpPanel:sender { } - (void)runPageLayout:sender { } // // Getting the main menu // - (NSMenu*) mainMenu { return main_menu; } - (void) setMainMenu: (NSMenu*)aMenu { unsigned i, j; NSMenuItem *mc; NSArray *mi; [aMenu retain]; // Release old menu and if (main_menu) // retain new [main_menu release]; main_menu = aMenu; mi = [main_menu itemArray]; // find a menucell with j = [mi count]; // the title Windows windows_menu = nil; // this is the default for (i = 0; i < j; ++i) // windows menu { mc = [mi objectAtIndex:i]; if ([[mc stringValue] compare: @"Windows"] == NSOrderedSame) { windows_menu = mc; // Found it! break; } } } // // Managing the Windows menu // - (void) addWindowsItem: (NSWindow*)aWindow title: (NSString*)aString filename: (BOOL)isFilename { [self changeWindowsItem: aWindow title: aString filename: isFilename]; } - (void) changeWindowsItem: (NSWindow*)aWindow title: (NSString*)aString filename: (BOOL)isFilename { NSMenu *menu; NSArray *itemArray; unsigned count; unsigned i; id item; if (![aWindow isKindOfClass: [NSWindow class]]) [NSException raise: NSInvalidArgumentException format: @"Object of bad type passed as window"]; /* * If Menus are implemented as a subclass of window we must make sure * to exclude them from the windows menu. */ if ([aWindow isKindOfClass: [NSMenu class]]) return; /* * Can't permit an untitled window in the window menu. */ if (aString == nil || [aString isEqualToString: @""]) return; /* * If there is no menu and nowhere to put one, we can't do anything. */ if (windows_menu == nil) return; /* * If the menu exists and the window is already in the menu - * remove it so it can be re-inserted in the correct place. * If the menu doesn't exist - create it. */ menu = [self windowsMenu]; if (menu) { itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id item = [itemArray objectAtIndex: i]; if ([item target] == aWindow) { [menu removeItem: item]; break; } } } else { menu = [[NSMenu alloc] initWithTitle: [windows_menu title]]; [self setWindowsMenu: menu]; } /* * Now we insert a menu item for the window in the correct order. * Make special allowance for menu entries to 'arrangeInFront:' * 'performMiniaturize:' and 'preformClose:'. If these exist the * window entries should stay after the first one and before the * other two. */ itemArray = [menu itemArray]; count = [itemArray count]; i = 0; if (count > 0 && sel_eq([[itemArray objectAtIndex: 0] action], @selector(arrangeInFront:))) i++; if (count > i && sel_eq([[itemArray objectAtIndex: count-1] action], @selector(performClose:))) count--; if (count > i && sel_eq([[itemArray objectAtIndex: count-1] action], @selector(performMiniaturize:))) count--; while (i < count) { item = [itemArray objectAtIndex: i]; if ([[item title] compare: aString] == NSOrderedDescending) break; i++; } item = [menu insertItemWithTitle: aString action: @selector(makeKeyAndOrderFront:) keyEquivalent: @"" atIndex: i]; [item setTarget: aWindow]; [menu sizeToFit]; [menu update]; } - (void) removeWindowsItem: (NSWindow*)aWindow { NSMenu *menu; menu = [self windowsMenu]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id item = [itemArray objectAtIndex: i]; if ([item target] == aWindow) { [menu removeItem: item]; [menu sizeToFit]; [menu update]; break; } } } } - (void) setWindowsMenu: (NSMenu*)aMenu { if (windows_menu) { NSMutableArray *windows; NSMenu *menu; id win; menu = [self windowsMenu]; if (menu == aMenu) return; /* * Remove all the windows from the old windows menu and store * them in a temporary array for insertion into the new menu. */ windows = [NSMutableArray arrayWithCapacity: 10]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id item = [itemArray objectAtIndex: i]; win = [item target]; if ([win isKindOfClass: [NSWindow class]]) { [windows addObject: win]; [menu removeItem: item]; } } } /* * Now use [-changeWindowsItem:title:filename:] to build the new menu. */ [main_menu setSubmenu: aMenu forItem: (id)windows_menu]; while ((win = [windows lastObject]) != nil) { [self changeWindowsItem: win title: [win title] filename: [win representedFilename] != nil]; [windows removeLastObject]; } [aMenu sizeToFit]; [aMenu update]; } } - (void) updateWindowsItem: aWindow { NSMenu *menu; menu = [self windowsMenu]; if (menu) { NSArray *itemArray; unsigned count; unsigned i; itemArray = [menu itemArray]; count = [itemArray count]; for (i = 0; i < count; i++) { id item = [itemArray objectAtIndex: i]; if ([item target] == aWindow) { NSCellImagePosition oldPos = [item imagePosition]; NSImage *oldImage = [item image]; BOOL changed = NO; if ([aWindow representedFilename] == nil) { if (oldPos != NSNoImage) { [item setImagePosition: NSNoImage]; changed = YES; } } else { NSImage *newImage = oldImage; if (oldPos != NSImageLeft) { [item setImagePosition: NSImageLeft]; changed = YES; } if ([aWindow isDocumentEdited]) { newImage = [NSImage imageNamed: @"common_WMCloseBroken"]; } else { newImage = [NSImage imageNamed: @"common_WMClose"]; } if (newImage != oldImage) { [item setImage: newImage]; changed = YES; } } if (changed) { [[item controlView] sizeToFit]; [menu sizeToFit]; [menu update]; } break; } } } } - (NSMenu*) windowsMenu { if (windows_menu) return [windows_menu target]; else return nil; } // // Managing the Service menu // - (void) registerServicesMenuSendTypes: (NSArray *)sendTypes returnTypes: (NSArray *)returnTypes { [listener registerSendTypes: sendTypes returnTypes: returnTypes]; } - (NSMenu *) servicesMenu { return [listener servicesMenu]; } - (id) servicesProvider { return [listener servicesProvider]; } - (void) setServicesMenu: (NSMenu *)aMenu { [listener setServicesMenu: aMenu]; } - (void) setServicesProvider: (id)anObject { [listener setServicesProvider: anObject]; } - (id) validRequestorForSendType: (NSString *)sendType returnType: (NSString *)returnType { return nil; } - (GSContext *)context // return the current draw { // context (drawing dest) return [GSContext currentContext]; } - (void) reportException: (NSException *)anException { // Reporting an exception if (anException) NSLog(@"reported exception - %@", anException); } // // Terminating the application // - (void) terminate: (id)sender { if ([self applicationShouldTerminate: self]) { // app should end run loop app_should_quit = YES; [event_queue addObject: null_event]; // add dummy event to queue } // to assure loop cycles } // at least one more time - (id) delegate // Assigning a delegate { return delegate; } - (void) setDelegate: (id)anObject { NSNotificationCenter* nc = [NSNotificationCenter defaultCenter]; delegate = anObject; #define SET_DELEGATE_NOTIFICATION(notif_name) \ if ([delegate respondsToSelector:@selector(application##notif_name:)]) \ [nc addObserver:delegate \ selector:@selector(application##notif_name:) \ name:NSApplication##notif_name##Notification object:self] SET_DELEGATE_NOTIFICATION(DidBecomeActive); SET_DELEGATE_NOTIFICATION(DidFinishLaunching); SET_DELEGATE_NOTIFICATION(DidHide); SET_DELEGATE_NOTIFICATION(DidResignActive); SET_DELEGATE_NOTIFICATION(DidUnhide); SET_DELEGATE_NOTIFICATION(DidUpdate); SET_DELEGATE_NOTIFICATION(WillBecomeActive); SET_DELEGATE_NOTIFICATION(WillFinishLaunching); SET_DELEGATE_NOTIFICATION(WillHide); SET_DELEGATE_NOTIFICATION(WillResignActive); SET_DELEGATE_NOTIFICATION(WillUnhide); SET_DELEGATE_NOTIFICATION(WillUpdate); } // // Implemented by the delegate // - (BOOL)application:sender openFileWithoutUI:(NSString *)filename { BOOL result = NO; if ([delegate respondsToSelector:@selector(application:openFileWithoutUI:)]) result = [delegate application:sender openFileWithoutUI:filename]; return result; } - (BOOL)application:(NSApplication *)app openFile:(NSString *)filename { BOOL result = NO; if ([delegate respondsToSelector:@selector(application:openFile:)]) result = [delegate application:app openFile:filename]; return result; } - (BOOL)application:(NSApplication *)app openTempFile:(NSString *)filename { BOOL result = NO; if ([delegate respondsToSelector:@selector(application:openTempFile:)]) result = [delegate application:app openTempFile:filename]; return result; } - (void)applicationDidBecomeActive:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidBecomeActive:)]) [delegate applicationDidBecomeActive:aNotification]; } - (void)applicationDidFinishLaunching:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidFinishLaunching:)]) [delegate applicationDidFinishLaunching:aNotification]; } - (void)applicationDidHide:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidHide:)]) [delegate applicationDidHide:aNotification]; } - (void)applicationDidResignActive:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidResignActive:)]) [delegate applicationDidResignActive:aNotification]; } - (void)applicationDidUnhide:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidUnhide:)]) [delegate applicationDidUnhide:aNotification]; } - (void)applicationDidUpdate:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationDidUpdate:)]) [delegate applicationDidUpdate:aNotification]; } - (BOOL)applicationOpenUntitledFile:(NSApplication *)app { BOOL result = NO; if ([delegate respondsToSelector:@selector(applicationOpenUntitledFile:)]) result = [delegate applicationOpenUntitledFile:app]; return result; } - (BOOL)applicationShouldTerminate:sender { BOOL result = YES; if ([delegate respondsToSelector:@selector(applicationShouldTerminate:)]) result = [delegate applicationShouldTerminate:sender]; return result; } - (void)applicationWillBecomeActive:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillBecomeActive:)]) [delegate applicationWillBecomeActive:aNotification]; } - (void)applicationWillFinishLaunching:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillFinishLaunching:)]) [delegate applicationWillFinishLaunching:aNotification]; } - (void)applicationWillHide:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillHide:)]) [delegate applicationWillHide:aNotification]; } - (void)applicationWillResignActive:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillResignActive:)]) [delegate applicationWillResignActive:aNotification]; } - (void)applicationWillUnhide:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillUnhide:)]) [delegate applicationWillUnhide:aNotification]; } - (void)applicationWillUpdate:(NSNotification *)aNotification { if ([delegate respondsToSelector:@selector(applicationWillUpdate:)]) [delegate applicationWillUpdate:aNotification]; } // // NSCoding protocol // - (void)encodeWithCoder:aCoder { [super encodeWithCoder:aCoder]; [aCoder encodeConditionalObject:key_window]; [aCoder encodeConditionalObject:main_window]; [aCoder encodeConditionalObject:delegate]; [aCoder encodeObject:main_menu]; [aCoder encodeConditionalObject:windows_menu]; } - initWithCoder:aDecoder { [super initWithCoder:aDecoder]; key_window = [aDecoder decodeObject]; main_window = [aDecoder decodeObject]; delegate = [aDecoder decodeObject]; main_menu = [aDecoder decodeObject]; windows_menu = [aDecoder decodeObject]; return self; } + (void)setNullEvent:(NSEvent *)e { ASSIGN(null_event, e); } + (NSEvent *)getNullEvent; { // return the class return null_event; // dummy event } - (void)_nextEvent // get next event { // implemented in } // backend - (void)setupRunLoopInputSourcesForMode:(NSString*)mode { // implemented in } // backend @end /* NSApplication */