TnbMfcDelayedRedraw.h

[詳解]

#pragma once
#include "TnbMfcSetRedrawEx.h"
 
 
 
//TNB Library
namespace TNB {
namespace MFC {
 
 
 
template<typename TYP = CStatic>
class CDelayedRedrawAddinT : public CSetRedrawExAddinT<TYP>
{
    DEFSUPER(CSetRedrawExAddinT<TYP>);
public:
 
    CDelayedRedrawAddinT(void) : m_postDrawTiming(200), m_lastDrawInterval(100)
    {
    }
 
    void SetTiming(DWORD postDrawTiming, DWORD lastDrawInterval)
    {
        m_postDrawTiming = postDrawTiming;
        m_lastDrawInterval = lastDrawInterval;
    }
    
    void DelayedRedraw(void)
    {
        if ( _super::GetRedraw() )
        {
            _super::SetRedraw(FALSE);
        }
        _super::SetTimer(TIMERID_LAST, m_lastDrawInterval, NULL);
        if ( ! m_isOnRedrawTimer )
        {
            m_isOnRedrawTimer = true;
            _super::SetTimer(TIMERID_POST, m_postDrawTiming, NULL);
        }
    }
 
    void SetWindowText(LPCTSTR lpszString)
    {
        DelayedRedraw();
        _super::SetWindowText(lpszString);
    }
 
    void UpdateWindow(void)
    {
        m_isOnRedrawTimer = false;
        _super::KillTimer(TIMERID_POST);
        _super::KillTimer(TIMERID_LAST);
        _super::SetRedraw(TRUE);
        _super::Invalidate(FALSE);
        _super::UpdateWindow();
    }
 
protected:
 
    virtual void PreSubclassWindow(void)
    {
        m_isOnRedrawTimer = false;
        _super::PreSubclassWindow();
    }
 
    virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
    {
        if ( message == WM_TIMER )
        {
            if ( wParam == TIMERID_POST )
            {
                _super::KillTimer(TIMERID_POST);
                m_isOnRedrawTimer = false;
                _super::SetRedraw(TRUE);
                _super::RedrawWindow(NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);
                _super::SetRedraw(FALSE);
                _super::SetTimer(TIMERID_LAST, m_lastDrawInterval, NULL);
            }
            else if ( wParam == TIMERID_LAST )
            {
                // 更新無くなって 100msたった
                _super::KillTimer(TIMERID_LAST);
                _super::SetRedraw(TRUE);
                _super::RedrawWindow(NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);
            }
        }
        return _super::WindowProc(message, wParam, lParam);
    }
 
private:
    enum
    {
        TIMERID_POST = 20001,       
        TIMERID_LAST = 20002,       
    };
    bool    m_isOnRedrawTimer;      
    DWORD   m_postDrawTiming;       
    DWORD   m_lastDrawInterval;     
};
 
 
 
}; //MFC
}; //TNB