Add:gui/gtk:Added dynamic disabling/enabling of roadbook actions. Ticket

#123

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@3394 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/navit/gui/gtk/gui_gtk_window.c b/navit/navit/gui/gtk/gui_gtk_window.c
index 2751adf..380f404 100644 (file)
--- a/navit/navit/gui/gtk/gui_gtk_window.c
+++ b/navit/navit/gui/gtk/gui_gtk_window.c
@@ -45,6 +45,7 @@
 #include "coord.h"
 #include "event.h"
 #include "bookmarks.h"
+#include "route.h"
 #include "navit_nls.h"
 
 #ifdef USE_HILDON
@@ -219,6 +220,24 @@ gui_gtk_set_graphics(struct gui_priv *this, struct graphics *gra)
        return 0;
 }
 
+static void 
+gui_gtk_route_callback(struct gui_priv *gui) {
+       struct attr route_attr;
+       GtkAction *roadbookAction=gtk_ui_manager_get_action (gui->ui_manager,"/ui/ToolBar/ToolItems/Roadbook");
+       if (roadbookAction) {
+               if (navit_get_attr(gui->nav,attr_route,&route_attr,NULL)) {
+                       struct attr route_status_attr;
+                       if (route_get_attr(route_attr.u.route, attr_route_status,&route_status_attr,NULL) ) {
+                               if (route_status_attr.u.num>2) {
+                                       gtk_action_set_sensitive(roadbookAction,1);
+                               } else {
+                                       gtk_action_set_sensitive(roadbookAction,0);
+                               }
+                       }
+               }
+       }
+}
+
 static void
 gui_gtk_add_bookmark_do(struct gui_priv *gui)
 {
@@ -663,6 +682,7 @@ static void
 gui_gtk_init(struct gui_priv *this, struct navit *nav)
 {
 
+       struct attr route_attr;
 
        gui_gtk_toggle_init(this);
        gui_gtk_layouts_init(this);
@@ -671,6 +691,14 @@ gui_gtk_init(struct gui_priv *this, struct navit *nav)
        gui_gtk_maps_init(this);
        gui_gtk_destinations_init(this);
        gui_gtk_bookmarks_init(this);
+
+       if (navit_get_attr(nav,attr_route,&route_attr,NULL)) {
+               struct attr callback;
+               callback.type=attr_callback;
+               callback.u.callback=callback_new_attr_1(callback_cast(gui_gtk_route_callback), attr_route_status, this);
+               route_add_attr(route_attr.u.route, &callback);  
+       }
+       gui_gtk_route_callback(this); //Set initial state
 }
 
 static struct gui_priv *