X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fslider.h;h=4260564a9f9985d80a0a7dc9171ae506beda6eaa;hb=5f73de83d46138faa2b4c1b0a725d0a705988388;hp=e2d810994c51387dab238b0d38fc78d9fb59a6f0;hpb=2b70e8801c43875ed3f4135bdd0141265cff0312;p=libs%2Fgltk.git diff --git a/source/slider.h b/source/slider.h index e2d8109..4260564 100644 --- a/source/slider.h +++ b/source/slider.h @@ -9,43 +9,82 @@ namespace GLtk { /** Sliders are used to adjust numeric values visually. This class provides the -common interface for sliders - see classes HSlider and VSlider for concrete -variations. +common interface and logic for sliders but can't be instantiated. Use HSlider +or VSlider depending on which direction you want the slider to be in. */ class Slider: public Widget { public: - class Loader: public Widget::Loader + class Loader: public DataFile::DerivedObjectLoader { public: Loader(Slider &); - Slider &get_object() const; }; +protected: + enum Direction + { + HORIZONTAL, + VERTICAL + }; + +public: sigc::signal signal_value_changed; protected: + Direction dir; double min, max; double value; double step; + double page_size; bool dragging; double drag_start_pos; double drag_start_value; unsigned drag_area_size; + unsigned drag_area_offset; + unsigned slider_min_size; + unsigned slider_size; + unsigned total_margin; - Slider(); + Slider(Direction); public: void set_value(double); void set_range(double, double); void set_step(double); + void set_page_size(double); double get_value() const { return value; } protected: - void start_drag(int); - void drag(int); - void end_drag(); + virtual void autosize_special(const Part &, Geometry &) const; + virtual void rebuild_special(const Part &); + +public: + virtual void button_press(int, int, unsigned); + virtual void button_release(int, int, unsigned); + virtual void pointer_motion(int, int); + +protected: + virtual void on_size_change(); + virtual void on_style_change(); +}; + + +class VSlider: public Slider +{ +public: + VSlider(): Slider(VERTICAL) { } + + virtual const char *get_class() const { return "vslider"; } +}; + +class HSlider: public Slider +{ +public: + HSlider(): Slider(HORIZONTAL) { } + + virtual const char *get_class() const { return "hslider"; } }; } // namespace GLtk