[ease/themes] [editor] Redraw slide thumbnails when slides change

[Nate Stedman <natesm src gnome org>]

commit fe182d3fc751c4bcaf276c95a55bda8289be78bc
Author: Nate Stedman <natesm gmail com>
Date:   Thu Jul 22 18:19:24 2010 -0400

    [editor] Redraw slide thumbnails when slides change

 src/ease-editor-embed.vala       |    4 ++++
 src/ease-editor-window.vala      |    8 ++++++--
 src/ease-slide-button-panel.vala |   25 +++++++++++++++++++++++++
 src/ease-slide.vala              |    5 +++++
 src/ease-text-actor.vala         |    1 +
 5 files changed, 41 insertions(+), 2 deletions(-)
---
diff --git a/src/ease-editor-embed.vala b/src/ease-editor-embed.vala
index 30ac67f..eeaae76 100644
--- a/src/ease-editor-embed.vala
+++ b/src/ease-editor-embed.vala
@@ -519,6 +519,8 @@ public class Ease.EditorEmbed : ScrollableEmbed
 			mouse_y = event.y;
 			
 			position_selection();
+			
+			selected.element.parent.changed(selected.element.parent);
 		}
 		return true;
 	}
@@ -626,6 +628,8 @@ public class Ease.EditorEmbed : ScrollableEmbed
 		
 		position_selection();
 		
+		selected.element.parent.changed(selected.element.parent);
+		
 		return true;
 	}
 	
diff --git a/src/ease-editor-window.vala b/src/ease-editor-window.vala
index b4f8b60..f73f200 100644
--- a/src/ease-editor-window.vala
+++ b/src/ease-editor-window.vala
@@ -273,6 +273,7 @@ public class Ease.EditorWindow : Gtk.Window
 		update_undo();
 		embed.slide_actor.relayout();
 		embed.reposition_group();
+		slide.changed(slide);
 	}
 	
 	[CCode (instance_pos = -1)]
@@ -282,6 +283,7 @@ public class Ease.EditorWindow : Gtk.Window
 		update_undo();
 		embed.slide_actor.relayout();
 		embed.reposition_group();
+		slide.changed(slide);
 	}
 	
 	[CCode (instance_pos = -1)]
@@ -483,6 +485,7 @@ public class Ease.EditorWindow : Gtk.Window
 	{
 		embed.set_element_color(Transformations.gdk_color_to_clutter_color(
 		                        sender.current_color));
+		slide.changed(slide);
 	}
 	
 	private void color_dialog_selection(Object sender, ParamSpec spec)
@@ -497,8 +500,9 @@ public class Ease.EditorWindow : Gtk.Window
 	private ZoomSlider create_zoom_slider()
 	{
 		// create zoom slider
-		zoom_slider = new AnimatedZoomSlider(new Gtk.Adjustment(100, 10, 400, 10,
-		                                                        50, 50), ZOOM_LEVELS);
+		zoom_slider = new AnimatedZoomSlider(new Gtk.Adjustment(100, 10, 400,
+		                                                        10, 50, 50),
+		                                                        ZOOM_LEVELS);
 		zoom_slider.width_request = 200;
 		zoom_slider.value_pos = Gtk.PositionType.RIGHT;
 		zoom_slider.digits = 0;
diff --git a/src/ease-slide-button-panel.vala b/src/ease-slide-button-panel.vala
index 4802a68..09db3ac 100644
--- a/src/ease-slide-button-panel.vala
+++ b/src/ease-slide-button-panel.vala
@@ -82,6 +82,7 @@ public class Ease.SlideButtonPanel : Gtk.ScrolledWindow
 			string path = "";
 			var pb = pixbuf(slide, PREV_WIDTH, out path);
 			list_store.set(iter, 0, pb, 1, slide, 2, path);
+			slide.changed.connect(slide_redraw);
 		}
 		
 		// create the tree view
@@ -115,12 +116,14 @@ public class Ease.SlideButtonPanel : Gtk.ScrolledWindow
 			string path = "";
 			var pb = pixbuf(slide, PREV_WIDTH, out path);
 			list_store.set(itr, 0, pb, 1, slide, 2, path);
+			slide.changed.connect(slide_redraw);
 		});
 		
 		// handle the removal of slides
 		document.slide_deleted.connect((slide, index) => {
 			Gtk.TreeIter itr;
 			Slide s = new Slide();
+			slide.changed.connect(slide_redraw);
 			if (!list_store.get_iter_first(out itr)) return;
 			do
 			{
@@ -170,6 +173,28 @@ public class Ease.SlideButtonPanel : Gtk.ScrolledWindow
 	}
 	
 	/**
+	 * Redraws a { link Slide} when it is changed.
+	 *
+	 * @param slide The slide to redraw.
+	 */
+	private void slide_redraw(Slide slide)
+	{
+		Gtk.TreeIter itr;
+		Slide s = new Slide();
+		string path = "";
+		if (!list_store.get_iter_first(out itr)) return;
+		do
+		{
+			list_store.get(itr, 1, ref s, 2, ref path);
+			if (s == slide)
+			{
+				var pb = pixbuf(slide, PREV_WIDTH, out path);
+				list_store.set(itr, 0, pb, 2, path);
+			}
+		} while (list_store.iter_next(ref itr));
+	}
+	
+	/**
 	 * Creates a Gdk.Pixbuf for a given slide.
 	 *
 	 * @param slide The slide to create a pixbuf of.
diff --git a/src/ease-slide.vala b/src/ease-slide.vala
index 34939d5..a383e1d 100644
--- a/src/ease-slide.vala
+++ b/src/ease-slide.vala
@@ -142,6 +142,11 @@ public class Ease.Slide : GLib.Object
 	}
 	
 	/**
+	 * Emitted when an { link Element} or property of this Slide is changed.
+	 */
+	public signal void changed(Slide self);
+	
+	/**
 	 * Create a new Slide.
 	 */
 	public Slide() {}
diff --git a/src/ease-text-actor.vala b/src/ease-text-actor.vala
index ebc740f..9cc2ab4 100644
--- a/src/ease-text-actor.vala
+++ b/src/ease-text-actor.vala
@@ -133,6 +133,7 @@ public class Ease.TextActor : Actor
 	private void text_changed(Clutter.Text sender)
 	{
 		element.set("text", sender.text);
+		element.parent.changed(element.parent);
 	}
 	
 	/**