[nautilus] Add skeleton for split view.

[Alexander Larsson <alexl src gnome org>]

commit 8babbe1095134861e4e57f482557587ee9b78576
Author: Holger Berndt <berndth gmx de>
Date:   Mon May 25 00:03:22 2009 +0200

    Add skeleton for split view.
    
    Add a new menu item "View -> Extra pane", and corresponding skeleton
    callback functions and UI containers.

 src/nautilus-navigation-window-menus.c |   20 ++++++++++++++++++++
 src/nautilus-navigation-window-pane.h  |    3 +++
 src/nautilus-navigation-window-ui.xml  |    1 +
 src/nautilus-navigation-window.c       |   13 +++++++++++++
 src/nautilus-navigation-window.h       |    2 ++
 src/nautilus-window-private.h          |    3 +++
 6 files changed, 42 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-navigation-window-menus.c b/src/nautilus-navigation-window-menus.c
index 2a7871b..78cad26 100644
--- a/src/nautilus-navigation-window-menus.c
+++ b/src/nautilus-navigation-window-menus.c
@@ -214,6 +214,21 @@ action_show_hide_statusbar_callback (GtkAction *action,
 	}
 }
 
+static void
+action_split_view_callback (GtkAction *action,
+			    gpointer user_data)
+{
+	NautilusNavigationWindow *window;
+
+	window = NAUTILUS_NAVIGATION_WINDOW (user_data);
+
+	if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))) {
+		nautilus_navigation_window_split_view_on (window);
+	} else {
+		nautilus_navigation_window_split_view_off (window);
+	}
+}
+
 void
 nautilus_navigation_window_update_show_hide_menu_items (NautilusNavigationWindow *window) 
 {
@@ -937,6 +952,11 @@ static const GtkToggleActionEntry navigation_toggle_entries[] = {
   /* tooltip */              N_("Search documents and folders by name"),
                              G_CALLBACK (action_show_hide_search_callback),
   /* is_active */            FALSE },
+  /* name, stock id */     { "Show Hide Extra Pane", NULL,
+  /* label, accelerator */   N_("Extra Pane"), "F3",
+  /* tooltip */              N_("Open an extra folder view side-by-side"),
+                             G_CALLBACK (action_split_view_callback),
+  /* is_active */            FALSE },
 };
 
 void 
diff --git a/src/nautilus-navigation-window-pane.h b/src/nautilus-navigation-window-pane.h
index 7618084..ff38ae2 100644
--- a/src/nautilus-navigation-window-pane.h
+++ b/src/nautilus-navigation-window-pane.h
@@ -65,6 +65,9 @@ struct _NautilusNavigationWindowPane {
 	/* tab menu */
 	GtkActionGroup *tabs_menu_action_group;
 	guint tabs_menu_merge_id;
+
+	/* split view */
+	GtkWidget *split_view_hpane;
 };
 
 GType    nautilus_navigation_window_pane_get_type (void);
diff --git a/src/nautilus-navigation-window-ui.xml b/src/nautilus-navigation-window-ui.xml
index 1e633d5..ca934e7 100644
--- a/src/nautilus-navigation-window-ui.xml
+++ b/src/nautilus-navigation-window-ui.xml
@@ -19,6 +19,7 @@
 			<menuitem name="Show Hide Sidebar" action="Show Hide Sidebar"/>
 			<menuitem name="Show Hide Location Bar" action="Show Hide Location Bar"/>
 			<menuitem name="Show Hide Statusbar" action="Show Hide Statusbar"/>
+			<menuitem name="Show Hide Extra Pane" action="Show Hide Extra Pane"/>
 		</placeholder>
 	</menu>
         <placeholder name="Other Menus">
diff --git a/src/nautilus-navigation-window.c b/src/nautilus-navigation-window.c
index bbb1030..419259e 100644
--- a/src/nautilus-navigation-window.c
+++ b/src/nautilus-navigation-window.c
@@ -593,6 +593,7 @@ nautilus_navigation_window_destroy (GtkObject *object)
 	window->sidebar_panels = NULL;
 
 	window->details->content_paned = NULL;
+	window->details->split_view_hpane = NULL;
 
 	GTK_OBJECT_CLASS (parent_class)->destroy (object);
 }
@@ -1239,3 +1240,15 @@ nautilus_navigation_window_class_init (NautilusNavigationWindowClass *class)
 				      use_extra_mouse_buttons_changed,
 				      NULL);
 }
+
+void nautilus_navigation_window_split_view_on (NautilusNavigationWindow *window)
+{
+    /* hhb: TODO: implement this */
+	g_print("hhb: split view on\n");
+}
+
+void nautilus_navigation_window_split_view_off (NautilusNavigationWindow *window)
+{
+    /* hhb: TODO: implement this */
+	g_print("hhb: split view off\n");
+}
diff --git a/src/nautilus-navigation-window.h b/src/nautilus-navigation-window.h
index 42bef4f..b96198b 100644
--- a/src/nautilus-navigation-window.h
+++ b/src/nautilus-navigation-window.h
@@ -106,5 +106,7 @@ void     nautilus_navigation_window_hide_search          (NautilusNavigationWind
 void     nautilus_navigation_window_set_search_button	 (NautilusNavigationWindow *window,
                                                           gboolean		    state);
 void     nautilus_navigation_window_restore_focus_widget (NautilusNavigationWindow *window);
+void     nautilus_navigation_window_split_view_on        (NautilusNavigationWindow *window);
+void     nautilus_navigation_window_split_view_off       (NautilusNavigationWindow *window);
 
 #endif
diff --git a/src/nautilus-window-private.h b/src/nautilus-window-private.h
index ef9aaa3..b3bfc99 100644
--- a/src/nautilus-window-private.h
+++ b/src/nautilus-window-private.h
@@ -109,6 +109,9 @@ struct _NautilusNavigationWindowDetails {
 
         /* focus widget before the location bar has been shown temporarily */
         GtkWidget *last_focus_widget;
+        	
+        /* split view */
+        GtkWidget *split_view_hpane;
 };
 
 #define NAUTILUS_MENU_PATH_BACK_ITEM			"/menu/Go/Back"