wip: popup surface type

gdk/gdksurface.c

@@ -794,8 +794,8 @@ gdk_surface_new_popup (GdkDisplay *display,
   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
   g_return_val_if_fail (GDK_IS_SURFACE (parent), NULL);
 
-  surface = gdk_surface_new (display, GDK_SURFACE_TEMP,
-                             NULL, 0, 0, 100, 100);
+  surface = gdk_surface_new (display, GDK_SURFACE_POPUP,
+                             parent, 0, 0, 100, 100);
 
   gdk_surface_set_transient_for (surface, parent);
   gdk_surface_set_type_hint (surface, GDK_SURFACE_TYPE_HINT_MENU);

gdk/gdksurface.h

@@ -43,6 +43,7 @@ typedef struct _GdkGeometry          GdkGeometry;
  * GdkSurfaceType:
  * @GDK_SURFACE_TOPLEVEL: toplevel window (used to implement #GtkWindow)
  * @GDK_SURFACE_TEMP: override redirect temporary surface (used to implement #GtkMenu)
+ * @GDK_SURFACE_POPUP: popup window with semantics like xdg-popover
  *
  * Describes the kind of surface.
  */
@@ -50,6 +51,7 @@ typedef enum
 {
   GDK_SURFACE_TOPLEVEL,
   GDK_SURFACE_TEMP,
+  GDK_SURFACE_POPUP
 } GdkSurfaceType;
 
 /* Size restriction enumeration.