-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GLTK_LIST_H_
#define MSP_GLTK_LIST_H_
#include <sigc++/signal.h>
#include "container.h"
+#include "label.h"
+#include "listdata.h"
#include "vslider.h"
namespace Msp {
class List: virtual public Widget, private Container
{
public:
- class Loader: public Widget::Loader
+ class Loader: public DataFile::DerivedObjectLoader<List, Widget::Loader>
{
public:
Loader(List &);
void item(const std::string &);
};
- sigc::signal<void, unsigned, const std::string &> signal_item_selected;
+private:
+ /// This exists to make disconnecting signals easier
+ class DataObserver: public sigc::trackable
+ {
+ private:
+ List &list;
+
+ public:
+ DataObserver(List &);
+
+ void item_added(unsigned);
+ void item_removed(unsigned);
+ void cleared();
+ void refresh_strings();
+ };
+
+protected:
+ class Item: public Container
+ {
+ public:
+ virtual const char *get_class() const { return "listitem"; }
+
+ protected:
+ virtual void autosize_special(const Part &, Geometry &);
+ public:
+ void set_active(bool);
+
+ virtual void render_special(const Part &, GL::Renderer &) const;
+ };
+
+public:
+ class BasicItem: public Item
+ {
+ private:
+ Label label;
+
+ public:
+ BasicItem(const std::string &);
+
+ private:
+ virtual void on_style_change();
+ };
+
+public:
+ sigc::signal<void, unsigned> signal_item_selected;
private:
- std::vector<std::string> items;
+ ListData *data;
+ bool own_data;
+ DataObserver *observer;
int sel_index;
unsigned first;
- unsigned n_visible;
- unsigned row_height;
-
- const Part *items_part;
+ unsigned max_scroll;
+ unsigned view_size;
VSlider slider;
+ std::vector<Item *> items;
public:
List();
+ List(ListData &);
+private:
+ void init();
+public:
+ virtual ~List();
virtual const char *get_class() const { return "list"; }
- virtual void autosize();
+private:
+ virtual void autosize_special(const Part &, Geometry &);
- void append(const std::string &);
- void insert(unsigned, const std::string &);
- void remove(unsigned);
- void clear();
- unsigned get_n_items() const { return items.size(); }
+public:
+ void set_data(ListData &);
+ ListData &get_data() { return *data; }
+ const ListData &get_data() const { return *data; }
+private:
+ void items_changed();
+protected:
+ virtual Item *create_item(unsigned);
+
+public:
+ void set_view_size(unsigned);
+ void set_view_all();
void set_selected_index(int);
- const std::string &get_selected() const;
int get_selected_index() const { return sel_index; }
private:
- virtual void render_special(const Part &) const;
+ virtual void render_special(const Part &, GL::Renderer &) const;
public:
virtual void button_press(int, int, unsigned);
virtual void on_style_change();
void reposition_slider();
+ void reposition_items();
void check_view_range();
void slider_value_changed(double);
};