Implement manual resize and move.

2007-10-31  Richard Hult  <richard@imendio.com>

	* gdk/quartz/GdkQuartzWindow.c:
	* gdk/quartz/GdkQuartzWindow.h:
	* gdk/quartz/gdkwindow-quartz.c: (gdk_window_begin_resize_drag),
	(gdk_window_begin_move_drag): Implement manual resize and move.

svn path=/trunk/; revision=18955

ChangeLog

@@ -1,3 +1,10 @@
+2007-10-31  Richard Hult  <richard@imendio.com>
+
+	* gdk/quartz/GdkQuartzWindow.c:
+	* gdk/quartz/GdkQuartzWindow.h:
+	* gdk/quartz/gdkwindow-quartz.c: (gdk_window_begin_resize_drag),
+	(gdk_window_begin_move_drag): Implement manual resize and move.
+
 2007-10-31  Richard Hult  <richard@imendio.com>
 
 	* gdk/quartz/gdkwindow-quartz.c:

gdk/quartz/GdkQuartzWindow.c

@@ -113,6 +113,13 @@
     case NSLeftMouseUp:
       leftDown = NO;
       inMove = NO;
+      inManualMove = NO;
+      inManualResize = NO;
+      break;
+
+    case NSLeftMouseDragged:
+      if ([self trackManualMove] || [self trackManualResize])
+        return;
       break;
 
     default:
@@ -256,6 +263,98 @@
   return YES;
 }
 
+- (BOOL)trackManualMove
+{
+  NSPoint currentLocation;
+  NSPoint newOrigin;
+  NSRect screenFrame = [[NSScreen mainScreen] visibleFrame];
+  NSRect windowFrame = [self frame];
+
+  if (!inManualMove)
+    return NO;
+
+  currentLocation = [self convertBaseToScreen:[self mouseLocationOutsideOfEventStream]];
+  newOrigin.x = currentLocation.x - initialMoveLocation.x;
+  newOrigin.y = currentLocation.y - initialMoveLocation.y;
+
+  /* Clamp vertical position to below the menu bar. */
+  if (newOrigin.y + windowFrame.size.height > screenFrame.origin.y + screenFrame.size.height)
+    newOrigin.y = screenFrame.origin.y + screenFrame.size.height - windowFrame.size.height;
+
+  [self setFrameOrigin:newOrigin];
+
+  return YES;
+}
+
+-(void)beginManualMove
+{
+  NSRect frame = [self frame];
+
+  if (inMove || inManualMove || inManualResize)
+    return;
+
+  inManualMove = YES;
+
+  initialMoveLocation = [self convertBaseToScreen:[self mouseLocationOutsideOfEventStream]];
+  initialMoveLocation.x -= frame.origin.x;
+  initialMoveLocation.y -= frame.origin.y;
+}
+
+- (BOOL)trackManualResize
+{
+  NSPoint currentLocation;
+  NSRect newFrame;
+  float dx, dy;
+  NSSize min_size;
+
+  if (!inManualResize)
+    return NO;
+
+  currentLocation = [self convertBaseToScreen:[self mouseLocationOutsideOfEventStream]];
+  currentLocation.x -= initialResizeFrame.origin.x;
+  currentLocation.y -= initialResizeFrame.origin.y;
+
+  dx = currentLocation.x - initialResizeLocation.x;
+  dy = -(currentLocation.y - initialResizeLocation.y);
+
+  newFrame = initialResizeFrame;
+  newFrame.size.width = initialResizeFrame.size.width + dx;
+  newFrame.size.height = initialResizeFrame.size.height + dy;
+
+  min_size = [self contentMinSize];
+  if (newFrame.size.width < min_size.width)
+    newFrame.size.width = min_size.width;
+  if (newFrame.size.height < min_size.height)
+    newFrame.size.height = min_size.height;
+
+  /* We could also apply aspect ratio:
+     newFrame.size.height = newFrame.size.width / [self aspectRatio].width * [self aspectRatio].height;
+  */
+
+  dy = newFrame.size.height - initialResizeFrame.size.height;
+
+  newFrame.origin.x = initialResizeFrame.origin.x;
+  newFrame.origin.y = initialResizeFrame.origin.y - dy;
+
+  [self setFrame:newFrame display:YES];
+
+  return YES;
+}
+
+-(void)beginManualResize
+{
+  if (inMove || inManualMove || inManualResize)
+    return;
+
+  inManualResize = YES;
+
+  initialResizeFrame = [self frame];
+  initialResizeLocation = [self convertBaseToScreen:[self mouseLocationOutsideOfEventStream]];
+  initialResizeLocation.x -= initialResizeFrame.origin.x;
+  initialResizeLocation.y -= initialResizeFrame.origin.y;
+}
+
+
 static GdkDragContext *current_context = NULL;
 
 static GdkDragAction

gdk/quartz/GdkQuartzWindow.h

@@ -24,9 +24,20 @@
 @interface GdkQuartzWindow : NSWindow {
   BOOL leftDown;
   BOOL inMove;
+
+  /* Manually triggered move/resize (not by the window manager) */
+  BOOL    inManualMove;
+  BOOL    inManualResize;
+  NSPoint initialMoveLocation;
+  NSPoint initialResizeLocation;
+  NSRect  initialResizeFrame;
 }
 
 -(BOOL)isInMove;
+-(void)beginManualMove;
+-(BOOL)trackManualMove;
+-(void)beginManualResize;
+-(BOOL)trackManualResize;
 
 @end
 

gdk/quartz/gdkwindow-quartz.c

@@ -2356,9 +2356,30 @@ gdk_window_begin_resize_drag (GdkWindow     *window,
                               gint           root_y,
                               guint32        timestamp)
 {
+  GdkWindowObject *private;
+  GdkWindowImplQuartz *impl;
+
   g_return_if_fail (GDK_IS_WINDOW (window));
 
-  /* FIXME: Implement */  
+  if (edge != GDK_WINDOW_EDGE_SOUTH_EAST)
+    {
+      g_warning ("Resizing is only implemented for GDK_WINDOW_EDGE_SOUTH_EAST on Mac OS");
+      return;
+    }
+
+  if (GDK_WINDOW_DESTROYED (window))
+    return;
+
+  private = GDK_WINDOW_OBJECT (window);
+  impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
+
+  if (!impl->toplevel)
+    {
+      g_warning ("Can't call gdk_window_begin_resize_drag on non-toplevel window");
+      return;
+    }
+
+  [(GdkQuartzWindow *)impl->toplevel beginManualResize];
 }
 
 void
@@ -2368,9 +2389,24 @@ gdk_window_begin_move_drag (GdkWindow *window,
                             gint       root_y,
                             guint32    timestamp)
 {
+  GdkWindowObject *private;
+  GdkWindowImplQuartz *impl;
+
   g_return_if_fail (GDK_IS_WINDOW (window));
 
-  /* FIXME: Implement */
+  if (GDK_WINDOW_DESTROYED (window))
+    return;
+
+  private = GDK_WINDOW_OBJECT (window);
+  impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
+
+  if (!impl->toplevel)
+    {
+      g_warning ("Can't call gdk_window_begin_move_drag on non-toplevel window");
+      return;
+    }
+
+  [(GdkQuartzWindow *)impl->toplevel beginManualMove];
 }
 
 void