Add a system for animating widgets

[libs/gltk.git] / source / widget.h

diff --git a/source/widget.h b/source/widget.h
index eb8fa2324350b42335eb92a0bd8aec7fc70e2f7b..94ee7f69ff4b3a4d0b00b42ac9f02fa185c3c0cc 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -40,6 +40,7 @@ public:
        sigc::signal<void> signal_request_focus;
        sigc::signal<void> signal_grab_pointer;
        sigc::signal<void> signal_ungrab_pointer;
+       sigc::signal<void, const Time::TimeDelta &> signal_request_animation;
 
 protected:
        Geometry geom;
@@ -51,6 +52,7 @@ protected:
        Container *parent;
        std::string tooltip;
        PartCache part_cache;
+       Time::TimeDelta anim_interval;
 
        Widget();
 private:
@@ -124,6 +126,12 @@ protected:
 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 rebuild();
        virtual void rebuild_special(const Part &);
@@ -149,6 +157,7 @@ public:
        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_style_change() { }