Add a list item class to manage multiple columns

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

diff --git a/source/list.h b/source/list.h
index dd3ddaa6d5e12100deff93187e068af07eaf1ceb..05ba852949281698a6e4d32fd21706766a42c853 100644 (file)
--- a/source/list.h
+++ b/source/list.h
@@ -61,13 +61,23 @@ public:
                virtual const char *get_class() const { return "listitem"; }
 
        protected:
-               virtual void autosize_special(const Part &, Geometry &);
+               virtual void autosize_special(const Part &, Geometry &) const;
        public:
                void set_active(bool);
 
                virtual void render_special(const Part &, GL::Renderer &) const;
        };
 
+       class MultiColumnItem: public Item
+       {
+       protected:
+               virtual void check_widths(std::vector<unsigned> &) const;
+               virtual void set_widths(const std::vector<unsigned> &);
+
+       private:
+               virtual void on_style_change();
+       };
+
 private:
        class BasicItem: public Item
        {
@@ -145,7 +155,7 @@ public:
        virtual const char *get_class() const { return "list"; }
 
 private:
-       virtual void autosize_special(const Part &, Geometry &);
+       virtual void autosize_special(const Part &, Geometry &) const;
 
 public:
        void set_data(ListData &);
@@ -182,7 +192,7 @@ private:
        virtual void on_style_change();
 
        void reposition_slider();
-       void item_autosize_changed(Item *);
+       void item_autosize_changed();
        void reposition_items();
        void check_view_range();
        void slider_value_changed(double);