[gthumb] image viewer: fixed hiding of the overview widget

[Paolo Bacchilega <paobac src gnome org>]

commit 95aac060d94c6ffe93bc5fd117690b617053fca8
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Nov 5 19:39:24 2013 +0100

    image viewer: fixed hiding of the overview widget

 extensions/image_viewer/gth-image-viewer-page.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/extensions/image_viewer/gth-image-viewer-page.c b/extensions/image_viewer/gth-image-viewer-page.c
index 67cc3d4..769921b 100644
--- a/extensions/image_viewer/gth-image-viewer-page.c
+++ b/extensions/image_viewer/gth-image-viewer-page.c
@@ -352,8 +352,10 @@ update_visibility_cb (gpointer user_data)
        }
 
        visible = self->priv->pointer_on_overview || (self->priv->pointer_on_viewer && 
gth_image_viewer_has_scrollbars (GTH_IMAGE_VIEWER (self->priv->viewer)));
-       gtk_widget_set_visible (self->priv->overview, TRUE);
-       gtk_revealer_set_reveal_child (GTK_REVEALER (self->priv->overview_revealer), visible);
+       if (visible != gtk_revealer_get_child_revealed (GTK_REVEALER (self->priv->overview_revealer))) {
+               gtk_widget_show (self->priv->overview_revealer);
+               gtk_revealer_set_reveal_child (GTK_REVEALER (self->priv->overview_revealer), visible);
+       }
 
        return FALSE;
 }
@@ -767,7 +769,7 @@ overview_revealer_notify_child_revealed_cb (GObject    *gobject,
 
        visible = gtk_revealer_get_child_revealed (GTK_REVEALER (self->priv->overview_revealer));
        if (! visible)
-               gtk_widget_hide (self->priv->overview);
+               gtk_widget_hide (self->priv->overview_revealer);
 }
 
 
@@ -863,7 +865,6 @@ gth_image_viewer_page_real_activate (GthViewerPage *base,
        self->priv->overview_revealer = gtk_revealer_new ();
        gtk_revealer_set_transition_duration (GTK_REVEALER (self->priv->overview_revealer), 500);
        gtk_revealer_set_transition_type (GTK_REVEALER (self->priv->overview_revealer), 
GTK_REVEALER_TRANSITION_TYPE_CROSSFADE);
-       gtk_widget_show (self->priv->overview_revealer);
        gtk_overlay_add_overlay (GTK_OVERLAY (self->priv->image_navigator), self->priv->overview_revealer);
 
        g_signal_connect (G_OBJECT (self->priv->overview_revealer),
@@ -873,6 +874,7 @@ gth_image_viewer_page_real_activate (GthViewerPage *base,
 
        self->priv->overview = gth_image_overview_new (GTH_IMAGE_VIEWER (self->priv->viewer));
        gtk_widget_add_events (self->priv->overview, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+       gtk_widget_show (self->priv->overview);
        gtk_container_add (GTK_CONTAINER (self->priv->overview_revealer), self->priv->overview);
 
        g_signal_connect_after (G_OBJECT (self->priv->overview),