X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=557e10153269c2290bc8c6c4e938fc95c8284874;hb=79af58bcfa941e0f2c33b172c9e924522ebcdfea;hp=270d2a3f67eb2e1d890dbfc1426a8adac65fe0db;hpb=fdc7fecc65f5f517d66abe3546a949a46836c4a6;p=libs%2Fgltk.git

diff --git a/source/widget.h b/source/widget.h
index 270d2a3..557e101 100644
--- 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
 {
@@ -50,44 +49,56 @@ protected:
 	bool focusable;
 	Container *parent;
 	std::string tooltip;
-	std::list<CachedPart> cached_parts;
+	PartCache part_cache;
 
 	Widget();
+private:
+	Widget(const Widget &);
+	Widget &operator=(const Widget &);
 public:
 	virtual ~Widget();
 
-	/**
-	Returns the name of the widget class.  Used for style lookup.
-	*/
+	/// Returns the name of the widget class.  Used for style lookup.
 	virtual const char *get_class() const { return "widget"; }
 
 	void set_position(int, int);
 	void set_size(unsigned, unsigned);
-	virtual void autosize();
+	void autosize();
+	void autosize(Geometry &) const;
+protected:
+	virtual void autosize_special(const Part &, Geometry &) const { };
+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.
-	*/
+	/** Sets the widget's parent Container.  The widget must be unparented when
+	calling this function with a non-null parameter. */
 	void set_parent(Container *);
 public:
 	Container *get_parent() const { return parent; }
 
-	/**
-	Sets the widget style.  The final style name is constructed by concatenating
-	the widget class and the style name with a dash.
-	*/
+	/** 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. */
 	void set_style(const std::string &);
 	const Style &get_style() const { return *style; }
 
 protected:
-	/**
-	Gets a style object from the resource collection based on the class and
-	style names of the widget.
-	*/
+	/** Gets a style object from the resource collection based on the class and
+	style names of the widget. */
 	void update_style();
 
 public:
@@ -99,14 +110,19 @@ 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 &, CachedPart &) { }
+	virtual void rebuild_special(const Part &);
 
 public:
 	void render(GL::Renderer &) const;
@@ -123,6 +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: