Make the DISABLED state actually do something

[libs/gltk.git] / source / widget.h

diff --git a/source/widget.h b/source/widget.h
index 50e3279e3b5c3d753373246d88d13f7e3a0800e0..6cb3d0654362f60142e4d083561291879713a7c8 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -61,10 +61,15 @@ public:
 
        void set_position(int, int);
        void set_size(unsigned, unsigned);
-       virtual void autosize();
+       void autosize();
+protected:
+       virtual void autosize_special(const Part &, Geometry &) { }
+public:
        void set_geometry(const Geometry &);
        const Geometry &get_geometry() const { return geom; }
 
+       void map_coords_to_ancestor(int &, int &, const Widget &) const;
+
 protected:
        /** Sets the widget's parent Container.  The widget must be unparented when
        calling this function with a non-null parameter. */
@@ -72,6 +77,16 @@ protected:
 public:
        Container *get_parent() const { return parent; }
 
+       /** Finds the closest ancestor of a specific type. */
+       template<typename T>
+       T *find_ancestor() const
+       {
+               for(Widget *w=parent; w; w=w->get_parent())
+                       if(T *tw = dynamic_cast<T *>(w))
+                               return tw;
+               return 0;
+       }
+
        /** Sets the widget style.  The name of the resource to be looked up is
        constructed by concatenating the widget class and the style name with a
        dash. */
@@ -92,12 +107,17 @@ public:
        void set_focusable(bool);
        bool is_focusable() const { return focusable; }
        void set_focus();
+       void set_enabled(bool);
+       bool is_enabled() const { return !(state&DISABLED); }
 
 protected:
        void set_state(State s) { set_state(s, s); }
        void clear_state(State s) { set_state(s, NORMAL); }
        void set_state(State, State);
+public:
+       State get_state() const { return state; }
 
+protected:
        void rebuild();
        virtual void rebuild_special(const Part &);