uilistbox.h

/*
===========================================================================
Copyright (C) 2023 the OpenMoHAA team
 
This file is part of OpenMoHAA source code.
 
OpenMoHAA source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
 
OpenMoHAA source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
 
#pragma once
 
extern Event EV_Layout_AddListItem;
extern Event EV_UIListBase_ItemDoubleClicked;
extern Event EV_UIListBase_ItemSelected;
 
class UIListBase : public UIWidget
{
protected:
    int                 m_currentItem;
    class UIVertScroll *m_vertscroll;
    qboolean            m_bUseVertScroll;
 
public:
    CLASS_PROTOTYPE(UIListBase);
 
protected:
    virtual void TrySelectItem(int which);
    qboolean     KeyEvent(int key, unsigned int time) override;
 
public:
    UIListBase();
 
    void          FrameInitialized(void) override;
    int           getCurrentItem(void);
    virtual int   getNumItems(void);
    virtual void  DeleteAllItems(void);
    virtual void  DeleteItem(int which);
    UIVertScroll *GetScrollBar(void);
    void          SetUseScrollBar(qboolean bUse);
};
typedef class UIListBase UIListBase;
 
class ListItem : public Class
{
public:
    str string;
    str command;
    int index;
 
public:
    ListItem();
    ListItem(str string, int index, str command);
};
 
class UIListBox : public UIListBase
{
protected:
    Container<ListItem *> m_itemlist;
 
    struct {
        int       time;
        int       selected;
        UIPoint2D point;
    } m_clickState;
 
public:
    CLASS_PROTOTYPE(UIListBox);
 
protected:
    void Draw(void) override;
    void MousePressed(Event *ev);
    void MouseReleased(Event *ev);
    void DeleteAllItems(Event *ev);
    void SetListFont(Event *ev);
    void TrySelectItem(int which) override;
 
public:
    UIListBox();
 
    void AddItem(const char *item, const char *command);
    void AddItem(int index, const char *command);
    void FrameInitialized(void) override;
    void LayoutAddListItem(Event *ev);
    void LayoutAddConfigstringListItem(Event *ev);
    str  getItemText(int which);
    int  getNumItems(void) override;
    void DeleteAllItems(void) override;
    void DeleteItem(int which) override;
    void InsertItem(const char *string, int which, const char *command = NULL);
    void setCurrentItem(int which);
};