Rudimentary touchscreen support

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

diff --git a/source/widget.h b/source/widget.h
index 7c601d2b5860668b426e3b8466ef316ab92fb2c3..557e10153269c2290bc8c6c4e938fc95c8284874 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -17,8 +17,7 @@ class Resources;
 class Style;
 
 /**
-Base class for all widgets.  Derived classes should call update_style in 
-constructor, because it can't be done correctly in the Widget constructor.
+Base class for all widgets.
 */
 class Widget
 {
@@ -53,6 +52,9 @@ protected:
        PartCache part_cache;
 
        Widget();
+private:
+       Widget(const Widget &);
+       Widget &operator=(const Widget &);
 public:
        virtual ~Widget();
 
@@ -62,8 +64,9 @@ public:
        void set_position(int, int);
        void set_size(unsigned, unsigned);
        void autosize();
+       void autosize(Geometry &) const;
 protected:
-       virtual void autosize_special(const Part &, Geometry &) { }
+       virtual void autosize_special(const Part &, Geometry &) const { };
 public:
        void set_geometry(const Geometry &);
        const Geometry &get_geometry() const { return geom; }
@@ -107,6 +110,8 @@ 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); }
@@ -134,6 +139,9 @@ public:
        virtual void key_press(unsigned, unsigned) { }
        virtual void key_release(unsigned, unsigned) { }
        virtual void character(wchar_t) { }
+       virtual void touch_press(int, int, unsigned);
+       virtual void touch_release(int, int, unsigned);
+       virtual void touch_motion(int, int, unsigned);
        virtual void focus_in();
        virtual void focus_out();
 protected: