[gthumb] image viewer: do not use the revealer to show the overview

[Paolo Bacchilega <paobac src gnome org>]

commit f813af5cb0269ddfd796bdbf766887c87b56a477
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Mar 17 12:03:07 2014 +0100

    image viewer: do not use the revealer to show the overview

 extensions/image_viewer/gth-image-viewer-page.c |   37 ++++------------------
 1 files changed, 7 insertions(+), 30 deletions(-)
---
diff --git a/extensions/image_viewer/gth-image-viewer-page.c b/extensions/image_viewer/gth-image-viewer-page.c
index 5b71637..746e367 100644
--- a/extensions/image_viewer/gth-image-viewer-page.c
+++ b/extensions/image_viewer/gth-image-viewer-page.c
@@ -75,7 +75,7 @@ struct _GthImageViewerPagePrivate {
        GthBrowser        *browser;
        GSettings         *settings;
        GtkWidget         *image_navigator;
-       GtkWidget         *overview_revealer;
+       GtkWidget         *overview_container;
        GtkWidget         *overview;
        GtkWidget         *viewer;
        GthImagePreloader *preloader;
@@ -346,6 +346,7 @@ update_visibility_cb (gpointer user_data)
 {
        GthImageViewerPage *self = user_data;
        gboolean            visible;
+       gboolean            revealed;
 
        if (! self->priv->active)
                return FALSE;
@@ -356,10 +357,7 @@ 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)));
-       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);
-       }
+       gtk_widget_set_visible (self->priv->overview_container, visible);
 
        return FALSE;
 }
@@ -747,7 +745,7 @@ image_navigator_get_child_position_cb       (GtkOverlay   *overlay,
 {
        GthImageViewerPage *self = GTH_IMAGE_VIEWER_PAGE (user_data);
 
-       if (widget == self->priv->overview_revealer) {
+       if (widget == self->priv->overview_container) {
                GtkAllocation main_alloc;
 
                gtk_widget_get_allocation (gtk_bin_get_child (GTK_BIN (overlay)), &main_alloc);
@@ -764,20 +762,6 @@ image_navigator_get_child_position_cb      (GtkOverlay   *overlay,
 
 
 static void
-overview_revealer_notify_child_revealed_cb (GObject    *gobject,
-                                           GParamSpec *pspec,
-                                           gpointer    user_data)
-{
-       GthImageViewerPage *self = user_data;
-       gboolean            visible;
-
-       visible = gtk_revealer_get_child_revealed (GTK_REVEALER (self->priv->overview_revealer));
-       if (! visible)
-               gtk_widget_hide (self->priv->overview_revealer);
-}
-
-
-static void
 gth_image_viewer_page_real_activate (GthViewerPage *base,
                                     GthBrowser    *browser)
 {
@@ -868,20 +852,13 @@ gth_image_viewer_page_real_activate (GthViewerPage *base,
        gtk_container_add (GTK_CONTAINER (self->priv->image_navigator), self->priv->viewer);
        gtk_widget_show (self->priv->image_navigator);
 
-       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_overlay_add_overlay (GTK_OVERLAY (self->priv->image_navigator), self->priv->overview_revealer);
-
-       g_signal_connect (G_OBJECT (self->priv->overview_revealer),
-                         "notify::child-revealed",
-                         G_CALLBACK (overview_revealer_notify_child_revealed_cb),
-                         self);
+       self->priv->overview_container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+       gtk_overlay_add_overlay (GTK_OVERLAY (self->priv->image_navigator), self->priv->overview_container);
 
        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);
+       gtk_container_add (GTK_CONTAINER (self->priv->overview_container), self->priv->overview);
 
        g_signal_connect_after (G_OBJECT (self->priv->overview),
                                "enter-notify-event",