[gtk+] popover: Use gdk_window_new_child()

[Benjamin Otte <otte src gnome org>]

commit 6a399ebd15cc1761f85af2f51c423b453265d7f7
Author: Benjamin Otte <otte redhat com>
Date:   Mon Oct 17 20:22:33 2016 +0200

    popover: Use gdk_window_new_child()

 gtk/gtkpopover.c |   29 +++++++++--------------------
 1 files changed, 9 insertions(+), 20 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index b2716f5..ba4795e 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -388,30 +388,19 @@ static void
 gtk_popover_realize (GtkWidget *widget)
 {
   GtkAllocation allocation;
-  GdkWindowAttr attributes;
-  gint attributes_mask;
   GdkWindow *window;
 
   gtk_widget_get_allocation (widget, &allocation);
 
-  attributes.x = 0;
-  attributes.y = 0;
-  attributes.width = allocation.width;
-  attributes.height = allocation.height;
-  attributes.window_type = GDK_WINDOW_CHILD;
-  attributes.wclass = GDK_INPUT_OUTPUT;
-  attributes.event_mask =
-    gtk_widget_get_events (widget) |
-    GDK_POINTER_MOTION_MASK |
-    GDK_BUTTON_MOTION_MASK |
-    GDK_BUTTON_PRESS_MASK |
-    GDK_BUTTON_RELEASE_MASK |
-    GDK_ENTER_NOTIFY_MASK |
-    GDK_LEAVE_NOTIFY_MASK;
-
-  attributes_mask = GDK_WA_X | GDK_WA_Y;
-  window = gdk_window_new (gtk_widget_get_parent_window (widget),
-                           &attributes, attributes_mask);
+  window = gdk_window_new_child (gtk_widget_get_parent_window (widget),
+                                 gtk_widget_get_events (widget)
+                                 | GDK_POINTER_MOTION_MASK
+                                 | GDK_BUTTON_MOTION_MASK
+                                 | GDK_BUTTON_PRESS_MASK
+                                 | GDK_BUTTON_RELEASE_MASK
+                                 | GDK_ENTER_NOTIFY_MASK
+                                 | GDK_LEAVE_NOTIFY_MASK,
+                                 &(GdkRectangle) { 0, 0, allocation.width, allocation.height });
   gtk_widget_set_window (widget, window);
   gtk_widget_register_window (widget, window);
   gtk_widget_set_realized (widget, TRUE);