wayland: Make toplevels' X/Y coordinates be 0

To all effects each window has its own "root" coordinates system, so set
toplevels at 0,0 in that coordinate system, so root coordinate calculations
are locally right.

https://bugzilla.gnome.org/show_bug.cgi?id=729215

diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index f26c3e0c3a56b9d94815ee46c67e49d846ccfcd2..055352227e7242b46b2496e50a91ebb48f28e552 100644 (file)
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1205,8 +1205,12 @@ gdk_window_wayland_move_resize (GdkWindow *window,
 {
   if (with_move)
     {
-      window->x = x;
-      window->y = y;
+      /* Each toplevel has in its own "root" coordinate system */
+      if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_TOPLEVEL)
+        {
+          window->x = x;
+          window->y = y;
+        }
     }
 
   /* If this function is called with width and height = -1 then that means