X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=557e10153269c2290bc8c6c4e938fc95c8284874;hb=79af58bcfa941e0f2c33b172c9e924522ebcdfea;hp=ba49b09e44c90a5abd1644dbbd4f9f3ee276afdd;hpb=1aa6cd9b865e366737dcc9d2d36c4f8faed5bc4f;p=libs%2Fgltk.git diff --git a/source/widget.h b/source/widget.h index ba49b09..557e101 100644 --- a/source/widget.h +++ b/source/widget.h @@ -3,6 +3,7 @@ #include #include +#include #include "geometry.h" #include "partcache.h" #include "state.h" @@ -16,8 +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 { @@ -49,44 +49,56 @@ protected: bool focusable; Container *parent; std::string tooltip; - std::list 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 + T *find_ancestor() const + { + for(Widget *w=parent; w; w=w->get_parent()) + if(T *tw = dynamic_cast(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: @@ -98,19 +110,24 @@ 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() const; + void render(GL::Renderer &) const; protected: - virtual void render_special(const Part &) const { } + virtual void render_special(const Part &, GL::Renderer &) const { } public: // Events @@ -122,6 +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: