uilistctrl.h

/*
===========================================================================
Copyright (C) 2024 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
 
typedef enum { TYPE_STRING, TYPE_OWNERDRAW } griditemtype_t;
 
class UIListCtrlItem {
public:
    virtual griditemtype_t      getListItemType( int which ) const = 0;
    virtual str                  getListItemString( int which ) const = 0;
    virtual int                 getListItemValue( int which ) const = 0;
    virtual void                DrawListItem( int iColumn, const UIRect2D &drawRect, bool bSelected, UIFont *pFont ) = 0;
    virtual qboolean            IsHeaderEntry( void ) const = 0;
};
 
typedef struct m_clickState_s {
    int time;
    int selected;
    UIPoint2D point;
} m_clickState_t;
 
class UIListCtrl : public UIListBase {
public:
    struct columndef_t {
        str title;
        int name;
        int width;
        bool numeric;
        bool reverse_sort;
    };
 
protected:
    static bool s_qsortreverse;
    static int s_qsortcolumn;
    static class UIListCtrl *s_qsortobject;
 
    int m_iLastSortColumn;
    class UIFont *m_headerfont;
    Container<UIListCtrlItem *> m_itemlist;
    Container<UIListCtrl::columndef_t> m_columnlist;
 
    qboolean m_bDrawHeader;
    struct {
        int column;
        int min;
    } m_sizestate;
    m_clickState_s m_clickState;
 
    int (*m_comparefunction) (const UIListCtrlItem* i1, const UIListCtrlItem* i2, int columnname);
 
public:
    CLASS_PROTOTYPE( UIListCtrl );
 
protected:
    static int              StringCompareFunction( const UIListCtrlItem *i1, const UIListCtrlItem *i2, int columnname );
    static int              StringNumberCompareFunction( const UIListCtrlItem *i1, const UIListCtrlItem *i2, int columnname );
    static int              QsortCompare( const void *e1, const void *e2 );
    void                    Draw( void ) override;
    int                     getHeaderHeight( void );
    void                    MousePressed( Event *ev );
    void                    MouseDragged( Event *ev );
    void                    MouseReleased( Event *ev );
    void                    MouseEntered( Event *ev );
    void                    OnSizeChanged( Event *ev );
    void                    DrawColumns( void );
    void                    DrawContent( void );
public:
    UIListCtrl();
    ~UIListCtrl();
 
    void                FrameInitialized( void ) override;
    void                SetDrawHeader( qboolean bDrawHeader );
    void                AddItem( UIListCtrlItem *item );
    void                InsertItem( UIListCtrlItem *item, int where );
    int                 FindItem( UIListCtrlItem *item );
    UIListCtrlItem        *GetItem( int item );
    void                AddColumn( str title, int name, int width, bool numeric, bool reverse_sort );
    void                RemoveAllColumns( void );
    int                 getNumItems( void ) override;
    void                DeleteAllItems( void ) override;
    void                DeleteItem( int which ) override;
    virtual void        SortByColumn( int column );
    void                SortByLastSortColumn( void );
    void                setCompareFunction( int( *func ) ( const UIListCtrlItem *i1, const UIListCtrlItem *i2, int columnname ) );
    void                setHeaderFont( const char *name );
};