X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=f1a83f78a5532c0e355306dcd826369d31caa1e3;hb=4b52d16bc895f9d969383d7a7d6a3558c1972cc5;hp=50e3279e3b5c3d753373246d88d13f7e3a0800e0;hpb=319cde3c06181ba1c3619567525002926d8b4889;p=libs%2Fgltk.git diff --git a/source/widget.h b/source/widget.h index 50e3279..f1a83f7 100644 --- a/source/widget.h +++ b/source/widget.h @@ -5,6 +5,7 @@ #include #include #include "geometry.h" +#include "inputmethod.h" #include "partcache.h" #include "state.h" @@ -17,8 +18,7 @@ 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 { @@ -47,12 +47,15 @@ protected: const Style *style; State state; bool visible; - bool focusable; + InputType input_type; Container *parent; std::string tooltip; PartCache part_cache; Widget(); +private: + Widget(const Widget &); + Widget &operator=(const Widget &); public: virtual ~Widget(); @@ -61,10 +64,16 @@ public: 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. */ @@ -72,6 +81,16 @@ protected: public: Container *get_parent() const { return parent; } + /** 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. */ @@ -89,15 +108,23 @@ public: void set_visible(bool); bool is_visible() const { return visible; } - void set_focusable(bool); - bool is_focusable() const { return focusable; } + InputType get_input_type() const { return input_type; } + bool is_focusable() const { return visible && input_type!=INPUT_NONE; } void set_focus(); + void set_enabled(bool); + bool is_enabled() const { return !(state&DISABLED); } + + // Deprecated + void set_focusable(bool); 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 &); @@ -113,9 +140,12 @@ public: virtual void pointer_motion(int, int) { } virtual void pointer_enter(); virtual void pointer_leave(); - 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 bool key_press(unsigned, unsigned) { return false; } + virtual bool key_release(unsigned, unsigned) { return false; } + virtual bool character(wchar_t) { return false; } virtual void focus_in(); virtual void focus_out(); protected: