TnbMfcTextProgressCtrl.h

[詳解]

#pragma once
#include "TnbMfcCommon.h"
#include "TnbStr.h"
#include "TnbBitmapImage.h"
#include "TnbMfcBitmapDC.h"
 
 
 
//TNB Library
namespace TNB {
namespace MFC {
 
 
 
class CTextProgressCtrl : public CProgressCtrl
{
    DEFSUPER(CProgressCtrl);
public:
 
    CTextProgressCtrl(void) : m_barColor(::GetSysColor(COLOR_HIGHLIGHT)), m_backColor(::GetSysColor(COLOR_WINDOW))
    {
    }
 
    void SetWindowText(LPCTSTR lpszText)
    {
        _super::SetWindowText(lpszText);    
        m_CreateImage();
        RedrawWindow();
    }
 
    void SetColor(COLORREF barColor, COLORREF backColor)
    {
        m_barColor = barColor;
        m_backColor = backColor;
        m_CreateImage();
        RedrawWindow();
    }   
 
    void SetFont(CFont* pFont, BOOL bRedraw = TRUE)
    {
        _super::SetFont(pFont, FALSE);
        if ( bRedraw )
        {
            m_CreateImage();
            RedrawWindow();
        }
    }
 
protected:
 
    virtual void PreSubclassWindow(void)
    {
        m_CreateImage();
        _super::PreSubclassWindow();
        RedrawWindow();
    }
    
    virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
    {
        switch ( message )
        {
        case WM_PRINTCLIENT:
            {
                CDC* pDC = CDC::FromHandle(reinterpret_cast<HDC>(wParam));
                if ( pDC != NULL )
                {
                    OnDrawProgressImage(pDC);
                }
            }
            return 0;
        case WM_PAINT:
            {
                CPaintDC dc(this); // 描画用のデバイス コンテキスト
                OnDrawProgressImage(&dc);
            }
            return 0;
        case WM_SIZE:
            {
                CSize sz(lParam);
                m_CreateImage(sz.cx, sz.cy);
            }
            break;
        default:
            break;
        }       
        return _super::WindowProc(message, wParam, lParam);
    }
 
private:
 
    void OnDrawProgressImage(CDC* pDC)
    {
        CSize sz = m_image1.GetSize();
        //
        int f = _super::GetPos();
        int m1, m2;
        GetRange(m1, m2);
        int xx = f * sz.cx / (m2 - m1);
        CRect r1(0, 0, xx, sz.cy);
        m_image2.Cut(r1).Draw(pDC->GetSafeHdc());
        CRect r2(xx, 0, sz.cx, sz.cy);
        m_image1.Cut(r2).Draw(pDC->GetSafeHdc(), xx, 0);
    }
 
    void m_Sub(CBitmapImage& _bi, int cx, int cy, COLORREF c1, COLORREF c2)
    {
        _bi.Set(cx, cy, c2);
        CBitmapDC dc(&_bi);
        CFont* pFont = dc.SelectObject(GetFont());
        CString s;
        GetWindowText(s);
        dc.SetTextColor(c1);
        dc.SetBkColor(c2);
        CRect rc(0, 0, cx, cy);
        CTextDrawer::DrawTextRect(dc, rc, DT_CENTER | DT_VCENTER, c1, s);
        dc.SelectObject(pFont);
    }
 
    void m_CreateImage(int cx = 0, int cy = 0)
    {
        if ( cx == 0 || cy == 0 )
        {
            CRect rc;
            GetWindowRect(rc);
            cx = rc.Width();
            cy = rc.Height();
        }
        m_Sub(m_image1, cx, cy, m_barColor, m_backColor);
        m_Sub(m_image2, cx, cy, m_backColor, m_barColor);
    }
 
    COLORREF        m_backColor;    
    COLORREF        m_barColor;     
    CBitmapImage    m_image1;       
    CBitmapImage    m_image2;       
};
 
 
 
};
};