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/*
$Id: listbox_generic.h,v 1.26 2001/12/29 00:01:34 sphair Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#ifndef header_listbox_generic
#define header_listbox_generic
#include <string>
#include <vector>
#include "API/signals.h"
#include "API/GUI/layout_manager.h"
#include "API/GUI/listbox_item.h"
class CL_ListBox;
class CL_ScrollBar;
class CL_Component;
class CL_ComponentOptions;
class CL_StyleManager;
class CL_Key;
class CL_InputDevice;
class CL_Rect;
class CL_ListBox_Generic
{
// Construction:
public:
CL_ListBox_Generic(
CL_ListBox *self,
int max_visible_items = -1);
// Attributes:
public:
int get_count() const;
std::vector<CL_ListBox_Item> &get_items();
std::vector<std::string> get_selected_items();
const std::string &get_text(int index) const;
const std::string &get_current_text() const;
int get_current_item() const;
bool is_selected(int index) const;
bool is_multi_selection() const;
bool has_scrollbar() const;
int get_item_height() const;
int get_top_item() const;
int get_max_visible_items() const;
CL_Component *client_area;
// Operations:
public:
int insert_item(const std::string &text, int index);
void remove_item(int index);
void change_item(const std::string &text, int index);
void set_current_item(int index);
void clear_selection();
void set_selected(int index, bool select);
void select_all(bool select);
void invert_selection();
void set_multi_selection(bool enable);
void set_item_height(int height);
void set_max_visible_items(int count);
void set_top_item(int index, bool update_scrollbar);
void sort(bool ascending);
void clear();
// Signals:
public:
CL_Signal_v1<int> sig_highlighted;
CL_Signal_v1<int> sig_activated;
CL_Signal_v0 sig_selection_changed;
// Slots:
private:
CL_Slot slot_set_options;
CL_Slot slot_on_key_down;
CL_Slot slot_on_scroll_change;
CL_Slot slot_child_add, slot_child_remove;
CL_Slot slot_resize;
// Callbacks:
private:
void on_set_options(const CL_ComponentOptions &options);
void on_key_down(CL_Component *comp, CL_InputDevice *device, const CL_Key &key);
void on_scroll_change(int new_offset);
void on_child_add(CL_Component *child);
void on_child_remove(CL_Component *child);
void on_resize(int old_width, int old_height);
// Implementation:
protected:
void update_scrollbar();
int item_height;
int max_visible_items;
int scroll_offset;
bool visible_scrollbar;
bool multi_selection;
CL_ListBox *listbox;
CL_ScrollBar *scrollbar;
CL_LayoutManager layout;
std::vector<CL_ListBox_Item> items;
};
#endif
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