[gnome-boxes] display-page: wait until the widget is realized

[Marc-Andre Lureau <malureau src gnome org>]

commit 506ab4a0da4f15f7e8339ba8082bcdb53f5af9ec
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Wed Feb 1 22:51:21 2012 +0100

    display-page: wait until the widget is realized
    
    It can be that the widget isn't yet realized when "show_display" is
    called. Use the first "draw" event to hook the cursor change event to
    the display widget.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=669409

 src/display-page.vala |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/src/display-page.vala b/src/display-page.vala
index 21660dd..9c2a9ef 100644
--- a/src/display-page.vala
+++ b/src/display-page.vala
@@ -175,8 +175,14 @@ private class Boxes.DisplayPage: GLib.Object {
             return false;
         });
 
-        cursor_id = display.get_window ().notify["cursor"].connect (() => {
-            event_box.get_window ().set_cursor (display.get_window ().cursor);
+        cursor_id = display.draw.connect (() => {
+            display.disconnect (cursor_id);
+
+            cursor_id = display.get_window ().notify["cursor"].connect (() => {
+                event_box.get_window ().set_cursor (display.get_window ().cursor);
+            });
+
+            return false;
         });
 
         show ();