[gtk/wip/chergert/macos-iosurface] macos: try to blend in better with layout system

[Christian Hergert <chergert src gnome org>]

commit 43c186fbbf0a56c080904d3d0b578f134071a0ad
Author: Christian Hergert <christian hergert me>
Date:   Fri Feb 11 20:10:06 2022 -0800

    macos: try to blend in better with layout system

 gdk/macos/GdkMacosLayer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gdk/macos/GdkMacosLayer.c b/gdk/macos/GdkMacosLayer.c
index 45b206f1cb..4b723566d0 100644
--- a/gdk/macos/GdkMacosLayer.c
+++ b/gdk/macos/GdkMacosLayer.c
@@ -254,6 +254,8 @@ fromCGRect (const CGRect rect)
   if (!self->_inSwapBuffer)
     return;
 
+  self->_layoutInvalid = FALSE;
+
   ar = g_array_sized_new (FALSE, FALSE, sizeof (TileInfo), 32);
 
   rect = fromCGRect ([self bounds]);
@@ -321,6 +323,7 @@ fromCGRect (const CGRect rect)
   self->_layoutInvalid = TRUE;
 
   [super setFrame:frame];
+  [self setNeedsLayout];
 }
 
 -(void)setOpaqueRegion:(const cairo_region_t *)opaqueRegion
@@ -328,6 +331,8 @@ fromCGRect (const CGRect rect)
   g_clear_pointer (&self->_opaqueRegion, cairo_region_destroy);
   self->_opaqueRegion = cairo_region_copy (opaqueRegion);
   self->_layoutInvalid = TRUE;
+
+  [self setNeedsLayout];
 }
 
 -(void)swapBuffer:(GdkMacosBuffer *)buffer withDamage:(const cairo_region_t *)damage
@@ -346,8 +351,6 @@ fromCGRect (const CGRect rect)
 
   if (self->_layoutInvalid)
     {
-      self->_layoutInvalid = FALSE;
-
       self->_inSwapBuffer = TRUE;
       [self layoutSublayers];
       self->_inSwapBuffer = FALSE;