[gnome-devel-docs] Vala toolbar example: redesigned fullscreen callback.

[Tiffany Antopolski <antopolski src gnome org>]

commit bc2e94e55d8bc2cd5e456d44c901ac59a68516d3
Author: Tiffany Antopolski <tiffany antopolski gmail com>
Date:   Thu May 31 09:35:49 2012 -0400

    Vala toolbar example: redesigned fullscreen callback.

 platform-demos/C/samples/toolbar.vala |   24 ++++++++++--------------
 1 files changed, 10 insertions(+), 14 deletions(-)
---
diff --git a/platform-demos/C/samples/toolbar.vala b/platform-demos/C/samples/toolbar.vala
index 6918048..01e62e5 100644
--- a/platform-demos/C/samples/toolbar.vala
+++ b/platform-demos/C/samples/toolbar.vala
@@ -1,6 +1,6 @@
 /* This is the Window */
 class MyWindow : Gtk.ApplicationWindow {
-	
+
 	/* Instance variables belonging to the window */
 	Gtk.Toolbar toolbar;
 	Gtk.ToolButton new_button;
@@ -8,9 +8,8 @@ class MyWindow : Gtk.ApplicationWindow {
 	Gtk.ToolButton undo_button;
 	Gtk.ToolButton fullscreen_button;
 	Gtk.ToolButton leave_fullscreen_button;
-	bool window_is_fullscreen = false;
 
-	/* Contstructor */	
+	/* Contstructor */
 	internal MyWindow (MyApplication app) {
 		Object (application: app, title: "Toolbar Example");
 
@@ -38,8 +37,7 @@ class MyWindow : Gtk.ApplicationWindow {
 	/* This function creates the toolbar, its  ToolButtons,
 	 * and assigns the actions names to the ToolButtons.*/
 	void create_toolbar () {
-
-		toolbar = new Gtk.Toolbar ();	
+		toolbar = new Gtk.Toolbar ();
 		toolbar.get_style_context ().add_class (Gtk.STYLE_CLASS_PRIMARY_TOOLBAR);
 		
 		new_button = new Gtk.ToolButton.from_stock (Gtk.Stock.NEW);
@@ -48,13 +46,13 @@ class MyWindow : Gtk.ApplicationWindow {
 		new_button.show ();
 		new_button.action_name = "app.new";
 
-	  	open_button = new Gtk.ToolButton.from_stock (Gtk.Stock.OPEN);
-        	open_button.is_important = true;
-        	toolbar.add (open_button);
+		open_button = new Gtk.ToolButton.from_stock (Gtk.Stock.OPEN);
+		open_button.is_important = true;
+		toolbar.add (open_button);
 		open_button.show ();
 		open_button.action_name = "app.open";
 
-      		undo_button = new Gtk.ToolButton.from_stock (Gtk.Stock.UNDO);
+		undo_button = new Gtk.ToolButton.from_stock (Gtk.Stock.UNDO);
 		undo_button.is_important = true;
 		toolbar.add (undo_button);
 		undo_button.show ();
@@ -65,7 +63,7 @@ class MyWindow : Gtk.ApplicationWindow {
 		toolbar.add (fullscreen_button);
 		fullscreen_button.show ();
 		fullscreen_button.action_name = "win.fullscreen";
-	
+
 		leave_fullscreen_button = new Gtk.ToolButton.from_stock (Gtk.Stock.LEAVE_FULLSCREEN)
 ;
 		leave_fullscreen_button.is_important = true;
@@ -79,15 +77,13 @@ class MyWindow : Gtk.ApplicationWindow {
 	}
 
 	void fullscreen_callback () {
-		if (window_is_fullscreen) {
+		if ((this.get_window ().get_state () & Gdk.WindowState.FULLSCREEN) != 0) {
 			this.unfullscreen ();
-			window_is_fullscreen = false;
 			leave_fullscreen_button.hide ();
 			fullscreen_button.show ();
 		}
 		else {
 			this.fullscreen ();
-			window_is_fullscreen = true;
 			fullscreen_button.hide ();
 			leave_fullscreen_button.show ();
 		}
@@ -102,7 +98,7 @@ class MyApplication : Gtk.Application {
 
 	protected override void startup () {
 		base.startup ();
-		
+
 		/* Create the "new" action and add it to the app*/
 		var new_action = new SimpleAction ("new", null);
 		new_action.activate.connect (new_callback);