Numerous WIN32 and bug fixes

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@2380 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,47 @@
+Sat Aug 16 16:28:31 1997  Scott Christley  <scottc@net-community.com>
+
+	* Headers/gnustep/gui/NSApplication.h (+setNullEvent:): New method.
+	(+getNullEvent): New method.
+	(NSApp): Eliminate global variable.
+	* Headers/gnustep/gui/NSWindow.h (-performDeminiaturize:): New method.
+	(-performHide:): New method.
+	(-performUnhide:): New method.
+	* Source/Makefile.in: Rename variables.
+	* Source/NSApplication.m (+setNullEvent:): New method.
+	(+getNullEvent): New method.
+	(-peekEventMatchingMask:untilDate:inMode:dequeue:): Modify to be
+	more like the nextEvent.. method.
+	(-hide:): Call performHide: method.
+	(-unhide:): Call performUnhide: method.
+	* Source/NSButton.m (mouseDown:): Add method calls to capture and
+	release the mouse.  Set the action mask.
+	* Source/NSCell.m (-setDoubleValue:): Don't set the cell type.
+	(-setFloatValue:, -setIntValue:, -setStringValue:): Likewise.
+	* Source/NSEvent.m: Don't access application object through
+	the global variable, use method instead.
+	* Source/NSFont.m (getFont, setFont): Rename to getNSFont and
+	setNSFont and make non-static so that they can be called
+	from the backend implementation.
+	* Source/NSMatrix.m (-initWithFrame:mode:prototype:numberOfRows:
+	numberOfColumns:): Call super's initWithFrame:
+	(mouseDown:): Capture and release the mouse when tracking.  Don't
+	access application object through the global variable, use 
+	method instead.
+	* Source/NSMenu.m: Don't access application object through the
+	global variable, use method instead.
+	* Source/NSScroller.m: Likewise.
+	* Source/NSTextFieldCell.m (-dealloc, -copyWithZone:): New method.
+	Fix retain/release on colors.
+	* Source/NSWindow.m (-deminiaturize:): Call performDeminiaturize.
+	(-makeFirstResponder:): Check that first responder exists before
+	telling it to resign.
+	(-performDeminiaturize:): New method.
+	(-performHide:): New method.
+	(-performUnhide:): New method.
+	* Source/externs.m: Add global variables.
+	* Source/libgnustep-gui.def: Add functions.
+	* Source/libgnustep-gui.m: Eliminate unneeded code.
+
 Wed Aug  6 13:27:53 1997  Ovidiu Predescu <ovidiu@net-community.com>
 
 	* Source/NSApplication (-nextEventMatchingMask:untilDate:inMode:

Headers/gnustep/gui/NSApplication.h

@@ -46,8 +46,6 @@
 @class NSWindow;
 @class NSDPSContext;
 
-extern id NSApp;
-
 typedef struct _NSModalSession *NSModalSession;
 
 enum {
@@ -270,6 +268,10 @@ extern NSString *NSEventTrackingRunLoopMode;
 //
 @interface NSApplication (GNUstepBackend)
 
+// the null event
++ (void)setNullEvent:(NSEvent *)e;
++ (NSEvent *)getNullEvent;
+
 // Get next event
 - (NSEvent *)getNextEvent;
 - (NSEvent *)peekNextEvent;

Headers/gnustep/gui/NSWindow.h

@@ -419,6 +419,10 @@ extern NSSize NSTokenSize;
 - (void)initDefaults;
 - cleanInit;
 
+- (void)performDeminiaturize:sender;
+- (void)performHide:sender;
+- (void)performUnhide:sender;
+
 @end
 
 /* Notifications */

Source/Makefile.in

@@ -68,9 +68,9 @@ LDFLAGS = @LDFLAGS@ -o
 LD = ld
 
 LDOUT =
-LIB = ar
+AR = ar
-LIBOUT =
+AROUT =
-LIBFLAGS = rc
+ARFLAGS = rc
 RANLIB = @RANLIB@
 RC = 
 DLLTOOL = @DLLTOOL@
@@ -264,12 +264,12 @@ src: @STATIC_LIBRARY@ @SHARED_LIBRARY@
 
 # library
 $(MAIN_FILE)$(libext): $(OBJS)
-	$(LIB) $(LIBFLAGS) $(LIBOUT)$(MAIN_FILE)$(libext) $(OBJS)
+	$(AR) $(ARFLAGS) $(AROUT)$(MAIN_FILE)$(libext) $(OBJS)
 	$(RANLIB) $(MAIN_FILE)$(libext)
 
 # static library when building DLL
 $(MAIN_FILE)_s$(libext): $(OBJS)
-	$(LIB) $(LIBFLAGS) $(LIBOUT)$(MAIN_FILE)_s$(libext) $(OBJS)
+	$(AR) $(ARFLAGS) $(AROUT)$(MAIN_FILE)_s$(libext) $(OBJS)
 	$(RANLIB) $(MAIN_FILE)_s$(libext)
 
 $(MAIN_FILE).def: FORCE
@@ -366,7 +366,9 @@ uninstall:
 	rm -rf $(includedir)/gnustep/gui
 	rm -rf $(includedir)/AppKit
 	rm -rf $(includedir)/DPSClient
-	rm -rf $(libdir)/$(MAIN_FILE)$(libext)
+	rm -f $(libdir)/$(MAIN_FILE)$(libext)
+	rm -f $(libdir)/$(MAIN_FILE)_s$(libext)
+	rm -f $(bindir)/$(MAIN_FILE).dll
 
 Makefile: $(srcdir)/Makefile.in ../config.status
 	cd ..; $(SHELL) config.status
@@ -379,6 +381,8 @@ clean:
 	rm -f *~
 	rm -f *$(oext)
 	rm -f $(MAIN_FILE)$(libext)
+	rm -f $(MAIN_FILE)_s$(libext)
+	rm -f $(MAIN_FILE).dll $(MAIN_FILE).exp $(MAIN_FILE).base
 	rm -f $(INIT_FILE).c
 distclean: clean
 	rm -f Makefile

Source/NSApplication.m

@@ -43,13 +43,13 @@
 #include <AppKit/NSMenuItem.h>
 #include <AppKit/NSCursor.h>
 
-extern id NSApp;
-extern NSEvent *gnustep_gui_null_event;
-
 //
 // Class variables
 //
 static BOOL gnustep_gui_app_is_in_dealloc;
+static NSEvent *gnustep_gui_null_event;
+static id NSApp;
+
 @implementation NSApplication
 
 //
@@ -465,41 +465,21 @@ static BOOL gnustep_gui_app_is_in_dealloc;
 			    inMode:(NSString *)mode
 			   dequeue:(BOOL)flag
 {
-  NSEvent *e;
+  NSEvent *event = nil;
   int i, j;
 
-  // If the queue isn't empty then check those messages
+  event = [self _eventMatchingMask:mask];
-  if ([event_queue count])
-    {
-      j = [event_queue count];
-      for (i = j-1;i >= 0; --i)
-	{
-	  e = [event_queue objectAtIndex: i];
-	  if ([self event: e matchMask: mask])
-	    {
-	      [event_queue removeObjectAtIndex: i];
-	      [self setCurrentEvent: e];
-	      return e;
-	    }
-	}
-    }
 
-  // Not in queue so peek for event
+  if (!event)
-  e = [self peekNextEvent];
-
-  // Check mask
-  if ([self event: e matchMask: mask])
     {
-      if (e)
+      // Not in queue so peek for event
-	{
+      event = [self peekNextEvent];
-	  [event_queue removeObject: e];
+
-	}
+      event = [self _eventMatchingMask:mask];
     }
-  else
-    return nil;
 
   // Unhide the cursor if necessary
-  if (e != gnustep_gui_null_event)
+  if (event && (event != gnustep_gui_null_event))
     {
       NSEventType type;
 
@@ -507,7 +487,7 @@ static BOOL gnustep_gui_app_is_in_dealloc;
       if ([NSCursor isHiddenUntilMouseMoves])
 	{
 	  // Make sure the event is a mouse event before unhiding
-	  type = [e type];
+	  type = [event type];
 	  if ((type == NSLeftMouseDown) || (type == NSLeftMouseUp)
 	      || (type == NSRightMouseDown) || (type == NSRightMouseUp)
 	      || (type == NSMouseMoved))
@@ -515,8 +495,7 @@ static BOOL gnustep_gui_app_is_in_dealloc;
 	}
     }
 
-  [self setCurrentEvent: e];
+  return event;
-  return e;
 }
 
 - (void)postEvent:(NSEvent *)event atStart:(BOOL)flag
@@ -583,15 +562,16 @@ static BOOL gnustep_gui_app_is_in_dealloc;
 //
 - (void)hide:sender
 {
-  int i, j;
+  id e;
   NSWindow *w;
 
-  j = [window_list count];
+  // TODO: hide the menu
-  for (i = 0;i < j; ++i)
+
-    {
+  // Tell the windows to hide
-      w = [window_list objectAtIndex:i];
+  e = [window_list objectEnumerator];
-      // Do something to hide the window
+  while ((w = [e nextObject]))
-    }
+    [w performHide: sender];
+
   app_is_hidden = YES;
 }
 
@@ -602,17 +582,19 @@ static BOOL gnustep_gui_app_is_in_dealloc;
 
 - (void)unhide:sender
 {
-  int i, j;
+  id e;
   NSWindow *w;
 
-  app_is_hidden = NO;
+  // Tell the windows to unhide
-  j = [window_list count];
+  e = [window_list objectEnumerator];
-  for (i = 0;i < j; ++i)
+  while ((w = [e nextObject]))
-    {
+    [w performUnhide: sender];
-      w = [window_list objectAtIndex:i];
-      // Do something to unhide the window
-    }
 
+  // TODO: unhide the menu
+
+  app_is_hidden = NO;
+
+  // Bring the key window to the front
   [[self keyWindow] makeKeyAndOrderFront:self];
 }
 
@@ -1076,6 +1058,16 @@ static BOOL gnustep_gui_app_is_in_dealloc;
 //
 @implementation NSApplication (GNUstepBackend)
 
++ (void)setNullEvent:(NSEvent *)e
+{
+  gnustep_gui_null_event = e;
+}
+
++ (NSEvent *)getNullEvent;
+{
+  return gnustep_gui_null_event;
+}
+
 // Get next event
 - (NSEvent *)getNextEvent
 {

Source/NSButton.m

@@ -289,7 +289,7 @@ id gnustep_gui_nsbutton_class = nil;
   NSEvent *e;
   unsigned int event_mask = NSLeftMouseDownMask | NSLeftMouseUpMask |
     NSMouseMovedMask | NSLeftMouseDraggedMask | NSRightMouseDraggedMask;
-//  int oldActionMask = [cell sendActionOn:0];
+  int oldActionMask;
 
   NSDebugLog(@"NSButton mouseDown\n");
 
@@ -297,8 +297,15 @@ id gnustep_gui_nsbutton_class = nil;
   if (![self isEnabled])
     return;
 
+  // Have NSCell send action only if we are continuous
+  if ([cell isContinuous])
+    oldActionMask = [cell sendActionOn:0];
+  else
+    oldActionMask = [cell sendActionOn: NSPeriodicMask];
+
   // capture mouse
-//  [[self window] captureMouse: self];
+  [[self window] captureMouse: self];
+
   [self lockFocus];
 
   done = NO;
@@ -321,7 +328,7 @@ id gnustep_gui_nsbutton_class = nil;
     }
 
   // Release mouse
-//  [[self window] releaseMouse: self];
+  [[self window] releaseMouse: self];
 
   // If the mouse went up in the button
   if (mouseUp)
@@ -337,11 +344,11 @@ id gnustep_gui_nsbutton_class = nil;
   [self unlockFocus];
 
   /* Restore the old action mask */
-//  [cell sendActionOn:oldActionMask];
+  [cell sendActionOn:oldActionMask];
 
   // Have the target perform the action
-//  if (mouseUp)
+  if (mouseUp)
-//    [self sendAction:[self action] to:[self target]];
+    [self sendAction:[self action] to:[self target]];
 }
 
 - (void)performClick:(id)sender

Source/NSCell.m

@@ -259,7 +259,6 @@
 
   [contents release];
   contents = [[number stringValue] retain];
-  [self setType:NSTextCellType];
 }
 
 - (void)setFloatValue:(float)aFloat
@@ -268,7 +267,6 @@
 
   [contents release];
   contents = [[number stringValue] retain];
-  [self setType:NSTextCellType];
 }
 
 - (void)setIntValue:(int)anInt
@@ -277,12 +275,10 @@
 
   [contents release];
   contents = [[number stringValue] retain];
-  [self setType:NSTextCellType];
 }
 
 - (void)setStringValue:(NSString *)aString
 {
-  [self setType:NSTextCellType];
   aString = [aString copy];
   [contents release];
   if (!aString)

Source/NSEvent.m

@@ -346,13 +346,13 @@ static NSRecursiveLock* timersLock = nil;
 	      modifierFlags:0
 	      timestamp:[[NSDate date] timeIntervalSinceReferenceDate]
 	      windowNumber:0
-	      context:[NSApp context]
+	      context:[[NSApplication sharedApplication] context]
 	      subtype:0
 	      data1:0
 	      data2:0];
 
   NSDebugLog (@"_timerFired:");
-  [NSApp postEvent:periodicEvent atStart:NO];
+  [[NSApplication sharedApplication] postEvent:periodicEvent atStart:NO];
 }
 
 + (void)_registerRealTimer:(NSTimer*)timer

Source/NSFont.m

@@ -42,7 +42,8 @@
    Convention (see the red book). */
 static NSMutableSet* fontsUsed = nil;
 
-static NSFont* getFont(NSString* key, NSString* defaultFontName, float fontSize)
+NSFont* getNSFont(NSString* key, NSString* defaultFontName,
+		  float fontSize)
 {
   NSString* fontName;
 
@@ -60,7 +61,7 @@ static NSFont* getFont(NSString* key, NSString* defaultFontName, float fontSize)
   return [NSFont fontWithName:fontName size:fontSize];
 }
 
-static void setFont(NSString* key, NSFont* font)
+void setNSFont(NSString* key, NSFont* font)
 {
   NSUserDefaults* standardDefaults = [NSUserDefaults standardUserDefaults];
 
@@ -87,34 +88,34 @@ static void setFont(NSString* key, NSFont* font)
 
 + (NSFont*)boldSystemFontOfSize:(float)fontSize
 {
-  return getFont (@"NSBoldFont", @"Helvetica-Bold", fontSize);
+  return getNSFont (@"NSBoldFont", @"Helvetica-Bold", fontSize);
 }
 
 + (NSFont*)systemFontOfSize:(float)fontSize
 {
-  return getFont (@"NSFont", @"Helvetica", fontSize);
+  return getNSFont (@"NSFont", @"Helvetica", fontSize);
 }
 
 + (NSFont*)userFixedPitchFontOfSize:(float)fontSize
 {
-  return getFont (@"NSUserFixedPitchFont", @"Courier", fontSize);
+  return getNSFont (@"NSUserFixedPitchFont", @"Courier", fontSize);
 }
 
 + (NSFont*)userFontOfSize:(float)fontSize
 {
-  return getFont (@"NSUserFont", @"Helvetica", fontSize);
+  return getNSFont (@"NSUserFont", @"Helvetica", fontSize);
 }
 
 /* Setting the preferred user fonts */
 
 + (void)setUserFixedPitchFont:(NSFont*)font
 {
-  setFont (@"NSUserFixedPitchFont", font);
+  setNSFont (@"NSUserFixedPitchFont", font);
 }
 
 + (void)setUserFont:(NSFont*)font
 {
-  setFont (@"NSUserFont", font);
+  setNSFont (@"NSUserFont", font);
 }
 
 /* The following method should be rewritten in the backend and it has to be

Source/NSMatrix.m

@@ -349,6 +349,8 @@ static int mouseDownFlags = 0;
 {
   int i, j;
 
+  [super initWithFrame: frameRect];
+
   ASSIGN(cellPrototype, prototype);
 
   cells = [[NSMutableArray alloc] initWithCapacity:rows];
@@ -1164,6 +1166,10 @@ static int mouseDownFlags = 0;
   if (mode != NSTrackModeMatrix)
     [NSEvent startPeriodicEventsAfterDelay:0.05 withPeriod:0.05];
   ASSIGN(lastEvent, theEvent);
+
+  // capture mouse
+  [[self window] captureMouse: self];
+
   [self lockFocus];
 
   while (!done) {
@@ -1286,12 +1292,14 @@ static int mouseDownFlags = 0;
 
     /* Get the next event */
     while (!shouldProceedEvent) {
-      theEvent = [NSApp nextEventMatchingMask:eventMask
+      theEvent = [[NSApplication sharedApplication]
-				    untilDate:[NSDate distantFuture]
+		   nextEventMatchingMask:eventMask
-				       inMode:NSEventTrackingRunLoopMode
+		   untilDate:[NSDate distantFuture]
-				      dequeue:YES];
+		   inMode:NSEventTrackingRunLoopMode
+		   dequeue:YES];
       switch ([theEvent type]) {
 	case NSPeriodic:
+	  NSDebugLog(@"NSMatrix: got NSPeriodic event\n");
 	  shouldProceedEvent = YES;
 	  break;
 	case NSLeftMouseUp:
@@ -1300,6 +1308,7 @@ static int mouseDownFlags = 0;
 	  ASSIGN(lastEvent, theEvent);
 	  break;
 	default:
+	  NSDebugLog(@"NSMatrix: got event type: %d\n", [theEvent type]);
 	  ASSIGN(lastEvent, theEvent);
 	  continue;
       }
@@ -1308,6 +1317,9 @@ static int mouseDownFlags = 0;
     lastLocation = [self convertPoint:lastLocation fromView:nil];
   }
 
+  // Release mouse
+  [[self window] releaseMouse: self];
+
   /* Finalize the selection */
   switch (mode) {
     case NSTrackModeMatrix:

Source/NSMenu.m

@@ -428,8 +428,9 @@ static Class menuCellClass = nil;
 
   id cells;
   int i, count;
+  id theApp = [NSApplication sharedApplication];
 
-  if (![[NSApp mainMenu] autoenablesItems])
+  if (![[theApp mainMenu] autoenablesItems])
     return;
 
   cells = [menuCells itemArray];
@@ -471,7 +472,7 @@ static Class menuCellClass = nil;
     }
 
     /* Search the key window's responder chain */
-    keyWindow = [NSApp keyWindow];
+    keyWindow = [theApp keyWindow];
     responder = [keyWindow firstResponder];
     while (responder && !found) {
       if ([responder respondsToSelector:action]) {
@@ -505,7 +506,7 @@ static Class menuCellClass = nil;
       continue;
     }
 
-    mainWindow = [NSApp mainWindow];
+    mainWindow = [theApp mainWindow];
     if (mainWindow != keyWindow) {
       /* Search the main window's responder chain */
       responder = [mainWindow firstResponder];
@@ -544,16 +545,16 @@ static Class menuCellClass = nil;
     }
 
     /* Search the NSApplication object */
-    if ([NSApp respondsToSelector:action]) {
+    if ([theApp respondsToSelector:action]) {
-      if ([NSApp respondsToSelector:@selector(validateMenuItem:)])
+      if ([theApp respondsToSelector:@selector(validateMenuItem:)])
-	[cell setEnabled:[NSApp validateMenuItem:cell]];
+	[cell setEnabled:[theApp validateMenuItem:cell]];
       else
 	[cell setEnabled:YES];
       continue;
     }
 
     /* Search the NSApplication object's delegate */
-    delegate = [NSApp delegate];
+    delegate = [theApp delegate];
     if ([delegate respondsToSelector:action]) {
       if ([delegate respondsToSelector:@selector(validateMenuItem:)])
 	[cell setEnabled:[delegate validateMenuItem:cell]];
@@ -579,6 +580,7 @@ static Class menuCellClass = nil;
   NSWindow* mainWindow;
   id responder;
   id delegate;
+  id theApp = [NSApplication sharedApplication];
 
   if (![cell isEnabled])
     return;
@@ -592,7 +594,7 @@ static Class menuCellClass = nil;
   }
 
   /* Search the key window's responder chain */
-  keyWindow = [NSApp keyWindow];
+  keyWindow = [theApp keyWindow];
   responder = [keyWindow firstResponder];
   while (responder) {
     if ([responder respondsToSelector:action]) {
@@ -615,7 +617,7 @@ static Class menuCellClass = nil;
     return;
   }
 
-  mainWindow = [NSApp mainWindow];
+  mainWindow = [theApp mainWindow];
   if (mainWindow != keyWindow) {
     /* Search the main window's responder chain */
     responder = [mainWindow firstResponder];
@@ -642,13 +644,13 @@ static Class menuCellClass = nil;
   }
 
   /* Search the NSApplication object */
-  if ([NSApp respondsToSelector:action]) {
+  if ([theApp respondsToSelector:action]) {
-    [NSApp perform:action withObject:cell];
+    [theApp perform:action withObject:cell];
     return;
   }
 
   /* Search the NSApplication object's delegate */
-  delegate = [NSApp delegate];
+  delegate = [theApp delegate];
   if ([delegate respondsToSelector:action]) {
     [delegate perform:action withObject:cell];
     return;

Source/NSScroller.m

@@ -395,10 +395,11 @@ static NSButtonCell* knobCell = nil;
   [[NSRunLoop currentRunLoop] limitDateForMode:NSEventTrackingRunLoopMode];
 
   while (eventType != NSLeftMouseUp) {
-    theEvent = [NSApp nextEventMatchingMask:eventMask
+    theEvent = [[NSApplication sharedApplication]
-		      untilDate:[NSDate distantFuture] 
+		 nextEventMatchingMask:eventMask
-		      inMode:NSEventTrackingRunLoopMode
+		 untilDate:[NSDate distantFuture] 
-		      dequeue:YES];
+		 inMode:NSEventTrackingRunLoopMode
+		 dequeue:YES];
     eventType = [theEvent type];
 
     if (eventType != NSPeriodic)
@@ -467,10 +468,11 @@ static NSButtonCell* knobCell = nil;
     if (shouldReturn)
       break;
 
-    theEvent = [NSApp nextEventMatchingMask:eventMask
+    theEvent = [[NSApplication sharedApplication]
-		      untilDate:[NSDate distantFuture] 
+		 nextEventMatchingMask:eventMask
-		      inMode:NSEventTrackingRunLoopMode // NSDefaultRunLoopMode
+		 untilDate:[NSDate distantFuture] 
-		      dequeue:YES];
+		 inMode:NSEventTrackingRunLoopMode // NSDefaultRunLoopMode
+		 dequeue:YES];
     eventType = [theEvent type];
     location = [self convertPoint:[theEvent locationInWindow] fromView:nil];
     _hitPart = [self testPart:location];

Source/NSTextFieldCell.m

@@ -76,14 +76,31 @@
   [self setScrollable:YES];
   [self setEditable:YES];
   [self setAlignment:NSLeftTextAlignment];
-	
+
-  background_color = [NSColor whiteColor];
+  [self setBackgroundColor: [NSColor whiteColor]];
-  text_color = [NSColor blackColor];
+  [self setTextColor: [NSColor blackColor]];
-  cell_font = [NSFont systemFontOfSize:16];
+  [self setFont: [NSFont systemFontOfSize: 16]];
   draw_background = YES;
   return self;
 }
 
+- (void)dealloc
+{
+  [background_color release];
+  [text_color release];
+  [super dealloc];
+}
+
+- (id)copyWithZone:(NSZone*)zone
+{
+  NSTextFieldCell* c = [super copyWithZone:zone];
+
+  [c setBackgroundColor: background_color];
+  [c setTextColor: text_color];
+
+  return c;
+}
+
 //
 // Modifying Graphic Attributes 
 //
@@ -99,6 +116,8 @@
 
 - (void)setBackgroundColor:(NSColor *)aColor
 {
+  [aColor retain];
+  [background_color release];
   background_color = aColor;
 }
 
@@ -109,6 +128,8 @@
 
 - (void)setTextColor:(NSColor *)aColor
 {
+  [aColor retain];
+  [text_color release];
   text_color = aColor;
 }
 

Source/NSWindow.m

@@ -791,6 +791,8 @@
   is_miniaturized = NO;
   visible = YES;
 
+  [self performDeminiaturize:self];
+
   // Notify our delegate
   [nc postNotificationName: NSWindowDidDeminiaturizeNotification object: self];
 }
@@ -899,7 +901,7 @@
   // Notify current first responder that it should resign
   // If it says NO then no change
   // But make sure that there even is a first responder
-  if ((![first_responder resignFirstResponder]) && first_responder)
+  if ((first_responder) && (![first_responder resignFirstResponder]))
     return NO;
 
   // Make it the first responder
@@ -1626,4 +1628,19 @@
   return self;
 }
 
+- (void)performDeminiaturize:sender
+{
+  // Do nothing, should be overridden by back-end
+}
+
+- (void)performHide:sender
+{
+  // Do nothing, should be overridden by back-end
+}
+
+- (void)performUnhide:sender
+{
+  // Do nothing, should be overridden by back-end
+}
+
 @end

Source/externs.m

@@ -29,12 +29,6 @@
 #include <Foundation/NSString.h>
 #include <AppKit/NSEvent.h>
 
-/* The global application object */
-/* This should really be accessed through [NSApplication sharedApplication] */
-id NSApp = nil;
-
-NSEvent *gnustep_gui_null_event = nil;
-
 // Global strings
 NSString *NSModalPanelRunLoopMode = @"ModalPanelMode";
 NSString *NSEventTrackingRunLoopMode = @"EventTrackingMode";

Source/libgnustep-gui.def

@@ -70,6 +70,8 @@ __objc_class_name_NSDataLinkPanel
 __objc_class_name_NSDPSContext
 __objc_class_name_NSEPSImageRep
 __objc_class_name_NSEvent
+getNSFont
+setNSFont
 __objc_class_name_NSFont
 __objc_category_name_NSFontManager_GNUstepBackend
 __objc_class_name_NSFontManager
@@ -100,7 +102,6 @@ __objc_class_name_NSPopUpButton
 __objc_class_name_NSResponder
 __objc_class_name_NSSavePanel
 __objc_class_name_NSScreen
-__objc_category_name_NSScroller_GNUstepBackend
 __objc_class_name_NSScroller
 __objc_class_name_NSScrollView
 __objc_class_name_NSSelection

Source/libgnustep-gui.m

@@ -38,23 +38,5 @@ char **NSArgv = NULL;
 int
 GNUstepMain(int argc, char **argv)
 {
-	NSFontManager *fm;
+  return 0;
-
-	// Create the global application object
-	NSApp = [[NSApplication alloc] init];
-
-	// Set the application default fonts
-	fm = [NSFontManager sharedFontManager];
-	[NSFont setUserFixedPitchFont: [fm fontWithFamily:@"Arial"
-		traits:0 weight:0 size:16]];
-	[NSFont setUserFont: [fm fontWithFamily:@"Times New Roman"
-		traits:0 weight:0 size:16]];
-
-	// Call the user's main
-	//user_main(0, NULL);
-
-	// Release the application
-	[NSApp release];
-
-	return 0;
 }