macos: only invalidate tiles when size changes

If the size changes, we need to relayout the tiles. Otherwise we can keep
using what we had before. Generally, that shouldn't happen, but the
previous check was failing in a number of ways.

diff --git a/gdk/macos/GdkMacosLayer.c b/gdk/macos/GdkMacosLayer.c
index 4b723566d084b2ceabb5bb45140fe35b84ed4983..4de47a56587779d1c8475c886d13e140ed157077 100644 (file)
--- a/gdk/macos/GdkMacosLayer.c
+++ b/gdk/macos/GdkMacosLayer.c
@@ -317,13 +317,14 @@ fromCGRect (const CGRect rect)
 
 -(void)setFrame:(NSRect)frame
 {
-  if (CGRectEqualToRect (frame, self.frame))
-    return;
-
-  self->_layoutInvalid = TRUE;
+  if (frame.size.width != self.bounds.size.width ||
+      frame.size.height != self.bounds.size.height)
+    {
+      self->_layoutInvalid = TRUE;
+      [self setNeedsLayout];
+    }
 
   [super setFrame:frame];
-  [self setNeedsLayout];
 }
 
 -(void)setOpaqueRegion:(const cairo_region_t *)opaqueRegion