[glide] Slide previews now repaint based on undo-manager

[Robert Carr <racarr src gnome org>]

commit cf53ea324d4d2ecd638420165c67b0fa11e35075
Author: Robert Carr <racarr Valentine localdomain>
Date:   Thu Apr 29 04:41:12 2010 -0400

    Slide previews now repaint based on undo-manager

 data/ui/glide-window.ui  |    2 +-
 src/glide-slide-button.c |   13 ++++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/data/ui/glide-window.ui b/data/ui/glide-window.ui
index 08eef93..933956f 100644
--- a/data/ui/glide-window.ui
+++ b/data/ui/glide-window.ui
@@ -509,7 +509,7 @@
             <property name="visible">True</property>
             <child>
               <object class="GtkScrolledWindow" id="slide-pane-scrolled">
-                <property name="width_request">100</property>
+                <property name="width_request">95</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="hscrollbar_policy">automatic</property>
diff --git a/src/glide-slide-button.c b/src/glide-slide-button.c
index e2c3071..0a9957d 100644
--- a/src/glide-slide-button.c
+++ b/src/glide-slide-button.c
@@ -29,12 +29,12 @@ enum {
 };
 
 static void
-glide_slide_button_slide_painted (ClutterActor *slide,
-				  gpointer user_data)
+glide_slide_button_undo_position_changed (GlideUndoManager *manager,
+					  gpointer user_data)
 {
-  GlideSlideButton *button = (GlideSlideButton *)user_data;
+  GlideSlideButton *b = (GlideSlideButton *)user_data;
   
-  gtk_widget_queue_draw (GTK_WIDGET (button));
+  gtk_widget_queue_draw (GTK_WIDGET (b));
 }
 
 static gboolean
@@ -163,8 +163,11 @@ void
 glide_slide_button_set_slide (GlideSlideButton *button,
 			      GlideSlide *slide)
 {
+  GlideUndoManager *manager = 
+    glide_stage_manager_get_undo_manager (glide_actor_get_stage_manager (GLIDE_ACTOR (slide)));
   button->priv->slide = slide;
   g_object_notify (G_OBJECT (button), "slide");
   
-  g_signal_connect (slide, "paint", G_CALLBACK (glide_slide_button_slide_painted), button);
+  g_signal_connect (manager, "position-changed",
+		    G_CALLBACK (glide_slide_button_undo_position_changed), button);
 }