* Source/NSScreen.m: (_initWithScreenNumber): observe notification from

baackend on screen changes (display resolution).
* Source/NSScreen.m: (_updateScreenInfo): initial implementation.

Source/NSMenu.m

@@ -254,6 +254,26 @@ static BOOL menuBarVisible = YES;
     forModes:  [NSArray arrayWithObject: NSDefaultRunLoopMode]];
 }
 
+/** 
+    Screen (monitor) properties was changed. We need to update our poistion
+    in (possibly) new dimensions.
+ */
+- (void) _screenChanged: (id) notification
+{
+  NSRect windowFrame, screenFrame;
+  fprintf(stderr, "[NSMenu] NSScreen was changed.\n");
+  if ([self _isVisible] != NO) {
+    windowFrame = [[self window] frame];
+    screenFrame = [[self window] convertRectToScreen:NSMakeRect(0,0,1,1)];
+    fprintf(stderr, " Will update origin. Window: %.0f,%.0f Screen: %.0f,%.0f",
+            windowFrame.origin.x, windowFrame.origin.y,
+            screenFrame.origin.x, screenFrame.origin.y);
+    // [self nestedSetFrameOrigin: [[self window] frame].origin];
+    // [self _updateUserDefaults: notification];
+  }
+  fprintf(stderr, "\n");
+}
+
 - (void) _organizeMenu
 {
   NSString *infoString = _(@"Info");
@@ -712,6 +732,11 @@ static BOOL menuBarVisible = YES;
       name: NSEnqueuedMenuMoveName
       object: self];
   
+  [nc addObserver: self
+      selector: @selector (_screenChanged:)
+      name: NSApplicationDidChangeScreenParametersNotification
+      object: NSApp];
+  
   return self;
 }
 

Source/NSScreen.m

@@ -197,6 +197,14 @@ static NSMutableArray *screenArray = nil;
 /**
  * Get all of the infomation for a given screen.
  */
+- (void) _updateScreenInfo
+{
+  GSDisplayServer *srv = GSCurrentServer();
+  _frame = [srv boundsForScreen: _screenNumber];
+  _depth = [srv windowDepthForScreen: _screenNumber];
+  NSLog(@"NSScreen: screen info was updated.");
+}
+
 - (id) _initWithScreenNumber: (int)screen
 {
   GSDisplayServer *srv;
@@ -228,6 +236,12 @@ static NSMutableArray *screenArray = nil;
   _depth = [srv windowDepthForScreen: _screenNumber];
   _supportedWindowDepths = NULL;
 
+  [[NSNotificationCenter defaultCenter]
+    addObserver: self
+       selector: @selector(_updateScreenInfo)
+           name: NSApplicationDidChangeScreenParametersNotification
+         object: NSApp];
+
   return self;
 }
 
@@ -404,6 +418,7 @@ static NSMutableArray *screenArray = nil;
 // Release the memory for the depths array.
 - (void) dealloc
 {
+  [[NSNotificationCenter defaultCenter] removeObserver: self];
   // _supportedWindowDepths can be NULL since it may or may not
   // be necessary to get this info.  The most common use of NSScreen
   // is to get the depth and frame attributes.