[gimp/metadata-browser] app: make the popup previews transient to their parent's toplevel

[Roman Joost <romanofski src gnome org>]

commit eb1d811b9b301b68dcc3c85ad0cda687f2becb95
Author: Michael Natterer <mitch gimp org>
Date:   Thu May 10 19:42:05 2012 +0200

    app: make the popup previews transient to their parent's toplevel
    
    so they don't appear below the dock. Seems to happen on OSX only,
    but is the right things to do on all platforms.

 app/widgets/gimpview-popup.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimpview-popup.c b/app/widgets/gimpview-popup.c
index ef8b9c6..9489a2f 100644
--- a/app/widgets/gimpview-popup.c
+++ b/app/widgets/gimpview-popup.c
@@ -207,6 +207,8 @@ gimp_view_popup_timeout (GimpViewPopup *popup)
   gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 
   gtk_window_set_screen (GTK_WINDOW (window), screen);
+  gtk_window_set_transient_for (GTK_WINDOW (window),
+                                GTK_WINDOW (gtk_widget_get_toplevel (popup->widget)));
 
   frame = gtk_frame_new (NULL);
   gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);