[gthumb] image-viewer: hide the frame when using a black background

[Paolo Bacchilega <paobac src gnome org>]

commit 6a25107a204c97f594f25d3d58dbe40569c2747f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Apr 8 10:02:33 2011 +0200

    image-viewer: hide the frame when using a black background

 gthumb/gth-image-viewer.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-image-viewer.c b/gthumb/gth-image-viewer.c
index be9b551..f83df60 100644
--- a/gthumb/gth-image-viewer.c
+++ b/gthumb/gth-image-viewer.c
@@ -2239,6 +2239,10 @@ gth_image_viewer_set_black_background (GthImageViewer *self,
 				       gboolean        set_black)
 {
 	self->priv->black_bg = set_black;
+	if (set_black)
+		gth_image_viewer_hide_frame (self);
+	else
+		gth_image_viewer_show_frame (self);
 	gtk_widget_queue_draw (GTK_WIDGET (self));
 }