[gtk/wip/chergert/quartz4u] macos: set initial surface size during construction

[Christian Hergert <chergert src gnome org>]

commit 45a8ac488f4dfed69c307899b830e65629aa0058
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 20 14:49:22 2020 -0700

    macos: set initial surface size during construction
    
    Or we risk resizing windows to their smallest sizes during
    gtk_native_check_resize().

 gdk/macos/gdkmacossurface.c | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/gdk/macos/gdkmacossurface.c b/gdk/macos/gdkmacossurface.c
index 86b363938f..f1063cdf13 100644
--- a/gdk/macos/gdkmacossurface.c
+++ b/gdk/macos/gdkmacossurface.c
@@ -296,6 +296,15 @@ gdk_macos_surface_constructed (GObject *object)
 
   G_OBJECT_CLASS (gdk_macos_surface_parent_class)->constructed (object);
 
+  if (self->window != NULL)
+    {
+      NSRect bounds = [[self->window contentView] bounds];
+
+      GDK_SURFACE (self)->width = bounds.size.width;
+      GDK_SURFACE (self)->height = bounds.size.height;
+      _gdk_macos_surface_update_position (self);
+    }
+
   if ((frame_clock = gdk_surface_get_frame_clock (GDK_SURFACE (self))))
     {
       g_signal_connect_object (frame_clock,