More tidying.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3471 72102866-910b-0410-8b05-ffd578937521

Source/NSApplication.m

@@ -95,6 +95,10 @@ static id NSApp;
 static NSString *NSAbortModalException = @"NSAbortModalException";
 
 
+@interface NSApplication (Private)
+- (void) _windowWillClose: (NSNotification*)n;
+- (void) _windowWillOpen: (NSWindow*)win;
+@end
 
 @implementation NSApplication
 
@@ -1322,17 +1326,7 @@ NSWindow *w;
    */
   if ([window_list indexOfObjectIdenticalTo: aWindow] == NSNotFound)
     {
-      [window_list addObject: aWindow];
-      [aWindow setWindowNumber: window_count++];
-
-      /*
-       * If this was the first window then make it the main and key window.
-       */
-      if ([window_list count] == 1)
-        {
-          [aWindow becomeMainWindow];
-          [aWindow becomeKeyWindow];
-        }
+      [self _windowWillOpen: aWindow];
     }
 
   /*
@@ -1342,6 +1336,15 @@ NSWindow *w;
   if ([aWindow isKindOfClass: [NSMenu class]])
     return;
 
+  /*
+   * If this was the first window then make it the main and key window.
+   */
+  if ([window_list count] == 1)
+    {
+      [aWindow becomeMainWindow];
+      [aWindow becomeKeyWindow];
+    }
+
   /*
    * Can't permit an untitled window in the window menu.
    */
@@ -1379,7 +1382,6 @@ NSWindow *w;
     {
       menu = [[NSMenu alloc] initWithTitle: [windows_menu title]];
       [self setWindowsMenu: menu];
-      [menu release];
     }
 
   /*
@@ -1729,3 +1731,43 @@ BOOL result = YES;
 
 @end /* NSApplication */
 
+@implementation NSApplication (Private)
+- (void) _windowWillClose: (NSNotification*)n
+{
+  NSWindow	*win = [n object];
+
+  if ([win isReleasedWhenClosed])
+    {
+      NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
+
+      [nc removeObserver: self
+		    name: NSWindowWillCloseNotification
+		  object: win];
+      [window_list removeObjectIdenticalTo: win];
+
+      /*
+       * Horrible kludge to handle case where an application has no menu - we
+       * assume that this is the only window in the application and terminate.
+       * We only do this for windows that release when closed - any other
+       * window may be intended to re-open.
+       */
+      if (main_menu == nil)
+	[self terminate: nil];
+    }
+}
+
+- (void) _windowWillOpen: (NSWindow*)win
+{
+  if ([window_list indexOfObjectIdenticalTo: win] == NSNotFound)
+    {
+      NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
+
+      [window_list addObject: win];
+      [win setWindowNumber: window_count++];
+      [nc addObserver: self
+	     selector: @selector(_windowWillClose:)
+		 name: NSWindowWillCloseNotification
+	       object: win];
+    }
+}
+@end

Source/NSWindow.m

@@ -630,24 +630,21 @@ NSView *v;
   NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
   NSApplication	*theApp = [NSApplication sharedApplication];
 
+  /*
+   * If 'is_released_when_closed' then the window will be removed from the
+   * applications list of windows (causing it to be released) - so we must
+   * bracket any work we do in a retain/release sequence.
+   */
+  if (is_released_when_closed)
+    [self retain];
+
   [nc postNotificationName: NSWindowWillCloseNotification object: self];
   [theApp removeWindowsItem: self];
   [self orderOut: self];
   visible = NO;
 
   if (is_released_when_closed)
-    {
-      [self autorelease];
-
-      /*
-       * Horrible kludge to handle case where an application has no menu - we
-       * assume that this is the only window in the application and terminate.
-       * We only do this for windows that release when closed - any other
-       * window may be intended to re-open.
-       */
-      if ([theApp mainMenu] == nil)
-	[theApp terminate: nil];
-    }
+    [self release];
 }
 
 - (void)deminiaturize:sender