whotlist.hpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· HPP 代码 · 共 101 行

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*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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#ifndef __HOTLIST_HPP__
#define __HOTLIST_HPP__

#include "wwindow.hpp"
#include "whotspot.hpp"

const WStyle HotSpotListStyleDefault = WStyleVScrollAll
                                | WStyleVRows
                                | WStyleVScrollEvents
                                | WStyleHScrollAll;
class WHotSpotList : public WWindow
{
    public:
        WHotSpotList( WWindow * prt, const WRect & r, const char * text, WHotSpots* hs,
                     WStyle wstyle = HotSpotListStyleDefault );
        virtual ~WHotSpotList();

                /* members from WWindow */
        virtual bool            gettingFocus( WWindow* );
        virtual bool            paint();
        virtual bool            mouseMove( int x, int y, WMouseKeyFlags );
        virtual bool            leftBttnDn( int x, int y, WMouseKeyFlags );
        virtual bool            leftBttnUp( int x, int y, WMouseKeyFlags );
        virtual bool            leftBttnDbl( int x, int y, WMouseKeyFlags );
        virtual bool            rightBttnDn( int x, int y, WMouseKeyFlags );
        virtual bool            scrollNotify( WScrollNotification, int );
        virtual bool            keyDown( WKeyCode, WKeyState );

                void            onChanged( WObject * obj, cbw changed );
                void            onDblClick( WObject * obj, cbw dblClick );
                void            onHotPress( WObject * obj, cbw hotPress );
                int             selected();
                void            setSelected( int index );
                void            select( int index );
                void            reset();

        virtual int             count() = 0;
        virtual int             width() = 0;
        virtual const char *    getString( int index ) = 0;
        virtual int             getHotSpot( int index, bool pressed ) = 0;
        virtual int             getHotOffset( int ) { return 0; }
        virtual void            resized( WOrdinal width, WOrdinal height );

    protected:
        void            scrollToSelected();

        int             _topIndex;  // index of top of list
        int             _selected;  // index of selected item
        void            performScroll( int diff, bool absolute = FALSE );
        void            adjustScrollBars();

    private:
        void            changed();

        bool            _leftDown;
        int             _hotPressIdx;
        bool            _inHotZone;

        WObject*        _changedClient;
        cbw             _changed;
        WObject*        _dblClickClient;
        cbw             _dblClick;
        WObject*        _hotPressClient;
        cbw             _hotPress;
        WHotSpots*      _hs;
};

#endif