[gnome-utils] screenshot: don't segfault when taking a window picture with no delay

[Cosimo Cecchi <cosimoc src gnome org>]

commit 18a88aa628382382e5aa22bb45752e7bd0c0bfee
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Jun 13 16:17:13 2011 -0400

    screenshot: don't segfault when taking a window picture with no delay
    
    Add a timeout as a workaround.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=597435

 gnome-screenshot/gnome-screenshot.c |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)
---
diff --git a/gnome-screenshot/gnome-screenshot.c b/gnome-screenshot/gnome-screenshot.c
index 253dcb8..ac348aa 100644
--- a/gnome-screenshot/gnome-screenshot.c
+++ b/gnome-screenshot/gnome-screenshot.c
@@ -1432,8 +1432,17 @@ main (int argc, char *argv[])
     }
   else
     {
-      /* start this in an idle anyway and fire up the mainloop */
-      g_idle_add (prepare_screenshot_timeout, NULL);
+      if (interactive_arg)
+        {
+          /* HACK: give time to the dialog to actually disappear.
+           * We don't have any way to tell when the compositor has finished 
+           * re-drawing.
+           */
+          g_timeout_add (200,
+                         prepare_screenshot_timeout, NULL);
+        }
+      else
+        g_idle_add (prepare_screenshot_timeout, NULL);
     }
 
   gtk_main ();