Implement touch interactions for List

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

diff --git a/source/list.h b/source/list.h
index ad12786bc7d962f3c43f0d06258781b60ae1f129..c0ea6d25a5a0b6353fd36bb45248f02659624610 100644 (file)
--- a/source/list.h
+++ b/source/list.h
@@ -138,10 +138,14 @@ private:
        DataObserver *observer;
        ItemFactory *item_factory;
        int sel_index;
+       int focus_index;
        unsigned first;
        unsigned max_scroll;
        unsigned view_size;
        bool ignore_slider_change;
+       bool dragging;
+       int drag_start_x;
+       int drag_start_y;
 
        VSlider slider;
        std::vector<Item *> items;
@@ -183,19 +187,28 @@ public:
 
        void set_selected_index(int);
        int get_selected_index() const { return sel_index; }
-
 private:
+       void set_selected_item(Widget *);
+
        virtual void rebuild_special(const Part &);
        virtual void render_special(const Part &, GL::Renderer &) const;
 
 public:
        virtual void button_press(int, int, unsigned);
-
+       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 bool navigate(Navigation);
 private:
+       void set_focus_index(int);
+
        void item_autosize_changed(Item *);
        unsigned last_to_first(unsigned) const;
        void check_view_range();
+       void scroll_to_focus();
        void slider_value_changed(double);
+       static void adjust_index(int &, int, int);
 };
 
 } // namespace GLtk