[cheese/three-point-oh] Added fullscreen toggle

[Yuvaraj Pandian <yuvipanda src gnome org>]

commit c3ade5ae36ec05bf5933fe1324948b5507953364
Author: Yuvaraj Pandian T <yuvipanda gmail com>
Date:   Tue Jun 1 23:24:07 2010 +0530

    Added fullscreen toggle

 data/cheese-actions.ui     |    2 +-
 data/cheese-main-window.ui |   33 ++++++++++++++++++++++++++++++
 valasrc/cheese-window.vala |   47 ++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 79 insertions(+), 3 deletions(-)
---
diff --git a/data/cheese-actions.ui b/data/cheese-actions.ui
index 3375f64..31f1766 100644
--- a/data/cheese-actions.ui
+++ b/data/cheese-actions.ui
@@ -118,7 +118,7 @@
 	    <property name="name">Fullscreen</property>
 	    <property name="label">Fullscreen</property>
 	    <property name="stock_id">gtk-fullscreen</property>
-	    <signal name="toggle" handler="cheese_main_window_on_layout_fullscreen" />
+	    <signal name="toggled" handler="cheese_main_window_on_layout_fullscreen" />
 	  </object>
 	  <accelerator key="F11" modifiers="" />
 	</child>
diff --git a/data/cheese-main-window.ui b/data/cheese-main-window.ui
index 6551e58..58e61e6 100644
--- a/data/cheese-main-window.ui
+++ b/data/cheese-main-window.ui
@@ -133,6 +133,39 @@
 		    <property name="fill">False</property>		    
 		  </packing>		  		  
 		</child>
+
+		<child>
+		  <object class="GtkHBox" id="leave_fullscreen_button_bin">
+		    <property name="visible">False</property>
+		    <property name="no-show-all">True</property>
+		    <child>
+		      <object class="GtkButton" id="leave_fullscreen_button">
+			<property name="use-action-appearance">False</property>
+			<property name="related-action">fullscreen</property>
+			<child>
+			  <object class="GtkHBox" id="fullscreen_button_internal_hbox">
+			    <property name="spacing">2</property>
+			    <child>
+			      <object class="GtkImage" id="fullscreen_button_internal_image">
+				<property name="stock">gtk-leave-fullscreen</property>
+			      </object>
+			    </child>
+			    <child>
+			      <object class="GtkLabel" id="fullscreen_button_internal_label">
+				<property name="label" translatable="yes">_Leave Fullscreen</property>
+				<property name="use_underline">True</property>
+			      </object>
+			    </child>
+			  </object>
+			</child>
+		      </object>
+		    </child>
+		  </object>
+		  <packing>
+		    <property name="expand">False</property>
+		    <property name="fill">False</property>		    
+		  </packing>		  		  
+		</child>		
 	      </object>
 	      
 	      <packing>
diff --git a/valasrc/cheese-window.vala b/valasrc/cheese-window.vala
index ed3b86f..a646858 100644
--- a/valasrc/cheese-window.vala
+++ b/valasrc/cheese-window.vala
@@ -19,6 +19,11 @@ public class Cheese.MainWindow : Gtk.Window {
 	private Cheese.ThumbView thumb_view;
 	private Gtk.Frame thumbnails_right;
 	private Gtk.Frame thumbnails_bottom;
+	private Gtk.MenuBar menubar;
+	private Gtk.HBox leave_fullscreen_button_container;
+	
+	private bool is_fullscreen;
+	private bool is_wide_mode;
 	
 	[CCode (instance_pos = -1)]
 	internal void on_quit (Action action ) {
@@ -47,9 +52,45 @@ public class Cheese.MainWindow : Gtk.Window {
 		set_wide_mode(action.active);
 	}
 
+	[CCode (instance_pos = -1)]
+	internal void on_layout_fullscreen (ToggleAction action ) {
+		set_fullscreen_mode(action.active);
+	}
 
+	private void set_fullscreen_mode(bool fullscreen_mode) {
+		// After the first time the window has been shown using this.show_all(),
+		// the value of leave_fullscreen_button_container.no_show_all should be set to false
+		// So that the next time leave_fullscreen_button_container.show_all() is called, the button is actually shown
+		// FIXME: If this code can be made cleaner/clearer, pleasae do
+		
+		is_fullscreen = fullscreen_mode;
+		if (fullscreen_mode) {
+			if (is_wide_mode) {
+				thumbnails_right.hide_all();
+			}
+			else {				
+				thumbnails_bottom.hide_all();
+			}
+			menubar.hide_all();
+			leave_fullscreen_button_container.no_show_all = false;
+			leave_fullscreen_button_container.show_all();
+			this.fullscreen();			
+		}
+		else {
+			if (is_wide_mode) {
+				thumbnails_right.show_all();
+			}
+			else {				
+				thumbnails_bottom.show_all();
+			}
+			menubar.show_all();
+			leave_fullscreen_button_container.hide_all();
+			this.unfullscreen();
+		}
+	}
+	
 	private void set_wide_mode(bool wide_mode, bool initialize=false) {
-
+		is_wide_mode = wide_mode;
 		if (!initialize) {
 			// Sets requested size of the viewport_widget to be it's current size
 			// So it does not grow smaller with each toggle
@@ -58,7 +99,7 @@ public class Cheese.MainWindow : Gtk.Window {
 			viewport_widget.set_size_request(alloc.width, alloc.height);
 		}
 		
-		if (wide_mode) {
+		if (is_wide_mode) {
 			thumb_view.set_columns(1);
 			thumb_nav.set_vertical(true);
 			if (thumbnails_bottom.get_child() != null)
@@ -108,6 +149,8 @@ public class Cheese.MainWindow : Gtk.Window {
 		viewport = (Clutter.Stage) viewport_widget.get_stage();
 		thumbnails_right = (Frame) builder.get_object("thumbnails_right");
 		thumbnails_bottom = (Frame) builder.get_object("thumbnails_bottom");
+		menubar = (Gtk.MenuBar) builder.get_object("main_menubar");
+		leave_fullscreen_button_container = (Gtk.HBox) builder.get_object("leave_fullscreen_button_bin");
 
 		Clutter.Rectangle r = new Clutter.Rectangle();
 		r.width = 200;