X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.h;h=001da84a891f2bb9743f3d3553cff6cee7ddbf03;hb=b59fab7e533ef96d72c92b224d4f24718bc6b0a1;hp=b00849c1598873a6ae7ecdc0e76ff9a036539d76;hpb=060b85ffc3d92b94b444b29ee5b26a6e74636235;p=libs%2Fgltk.git diff --git a/source/widget.h b/source/widget.h index b00849c..001da84 100644 --- a/source/widget.h +++ b/source/widget.h @@ -2,9 +2,12 @@ #define MSP_GLTK_WIDGET_H_ #include +#include #include #include #include "geometry.h" +#include "inputmethod.h" +#include "mspgltk_api.h" #include "partcache.h" #include "state.h" @@ -17,10 +20,9 @@ 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 +class MSPGLTK_API Widget: public NonCopyable { friend class Container; @@ -29,6 +31,7 @@ public: { public: Loader(Widget &); + private: void position(int, int); void size(unsigned, unsigned); @@ -40,19 +43,23 @@ public: sigc::signal signal_request_focus; sigc::signal signal_grab_pointer; sigc::signal signal_ungrab_pointer; + sigc::signal signal_request_animation; + sigc::signal signal_rebuild_needed; protected: Geometry geom; std::string style_name; - const Style *style; - State state; - bool visible; - bool focusable; - Container *parent; + const Style *style = nullptr; + State state = NORMAL; + bool visible = true; + InputType input_type = INPUT_NONE; + Container *parent = nullptr; std::string tooltip; - std::list cached_parts; + PartCache part_cache; + bool rebuild_needed = false; + Time::TimeDelta anim_interval; - Widget(); + Widget() = default; public: virtual ~Widget(); @@ -61,10 +68,17 @@ 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; + void map_coords_to_root(int &, int &) const; + protected: /** Sets the widget's parent Container. The widget must be unparented when calling this function with a non-null parameter. */ @@ -72,6 +86,16 @@ 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. */ @@ -89,17 +113,30 @@ 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); } 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 set_animation_interval(const Time::TimeDelta &); + void stop_animation(); +public: + const Time::TimeDelta &get_animation_interval() const { return anim_interval; } + +protected: + void mark_rebuild(); + virtual void rebuild_hierarchy(); void rebuild(); - virtual void rebuild_special(const Part &, CachedPart &) { } + virtual void rebuild_special(const Part &); public: void render(GL::Renderer &) const; @@ -113,13 +150,18 @@ 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(); + virtual bool navigate(Navigation) { return false; } + virtual void animate(const Time::TimeDelta &) { } protected: - virtual void on_geometry_change() { } + virtual void on_size_change() { } virtual void on_style_change() { } virtual void on_reparent() { } };