- // CXProgressCtrl 头文件
- #pragma once
- // CXProgressCtrl
- class CXProgressCtrl : public CProgressCtrl
- {
- DECLARE_DYNAMIC(CXProgressCtrl)
- public:
- CXProgressCtrl();
- virtual ~CXProgressCtrl();
- typedef enum _ALIGN_TEXT_
- {
- ALIGN_LEFT = 0x00,
- ALIGN_CENTER,
- ALIGN_RIGHT
- }ALIGN_TEXT;
- public:
- inline void SetBarColor(COLORREF clr)
- {
- m_clrBarColor = clr;
- }
- inline COLORREF GetBarColor()
- {
- return m_clrBarColor;
- }
- inline void SetBarBkColor(COLORREF clr)
- {
- m_clrBarBkColor = clr;
- }
- inline COLORREF GetBarBkColor()
- {
- return m_clrBarBkColor;
- }
- inline void SetTextColor(COLORREF clr)
- {
- m_clrTextColor = clr;
- }
- inline COLORREF GetTextColor()
- {
- return m_clrTextColor;
- }
- inline void SetTextBkColor(COLORREF clr)
- {
- m_clrTextBkColor = clr;
- }
- inline COLORREF GetTextBkColor()
- {
- return m_clrTextBkColor;
- }
- inline void SetTextAlign(ALIGN_TEXT AlignText)
- {
- m_AlignText = AlignText;
- }
- inline ALIGN_TEXT GetTextAlign()
- {
- return m_AlignText;
- }
- inline void ShowPercent(BOOL bShowPercent = TRUE)
- {
- m_bShowPercent = bShowPercent;
- }
- inline BOOL IsShowPercent()
- {
- return m_bShowPercent;
- }
- protected:
- COLORREF m_clrBarColor;
- COLORREF m_clrBarBkColor;
- COLORREF m_clrTextColor;
- COLORREF m_clrTextBkColor;
- ALIGN_TEXT m_AlignText;
- BOOL m_bShowPercent;
- CFont m_font; // Only for vertical style
- protected:
- afx_msg BOOL OnEraseBkgnd(CDC* pDC);
- afx_msg void OnPaint();
- DECLARE_MESSAGE_MAP()
- };
- // CXProgressCtrl .CPP文件
- // XProgressCtrl.cpp : implementation file
- //
- #include "stdafx.h"
- #include "Demo.h"
- #include "XProgressCtrl.h"
- // CXProgressCtrl
- IMPLEMENT_DYNAMIC(CXProgressCtrl, CProgressCtrl)
- CXProgressCtrl::CXProgressCtrl() : m_clrTextColor(RGB(0, 0, 0)),
- m_clrTextBkColor(RGB(255, 255, 255)),
- m_clrBarColor(RGB(128, 128, 255)),
- m_clrBarBkColor(RGB(235, 235, 235)),
- m_AlignText(ALIGN_CENTER),
- m_bShowPercent(TRUE)
- {
- }
- CXProgressCtrl::~CXProgressCtrl()
- {
- if(m_font.GetSafeHandle())
- {
- m_font.DeleteObject();
- }
- }
- BEGIN_MESSAGE_MAP(CXProgressCtrl, CProgressCtrl)
- ON_WM_ERASEBKGND()
- ON_WM_PAINT()
- END_MESSAGE_MAP()
- // CXProgressCtrl message handlers
- BOOL CXProgressCtrl::OnEraseBkgnd(CDC *pDC)
- {
- return TRUE;
- }
- void CXProgressCtrl::OnPaint()
- {
- CPaintDC paintDC(this);
- int nMin = 0;
- int nMax = 0;
- GetRange(nMin, nMax);
- ASSERT(nMin <= nMax);
- int nPos = GetPos();
- ASSERT(nPos >= nMin && nPos <= nMax);
- DWORD dwStyle = GetStyle();
- BOOL bVertical = FALSE;
- if(dwStyle & PBS_VERTICAL)
- {
- bVertical = TRUE;
- }
- CDC dc;
- dc.CreateCompatibleDC(&paintDC);
- ASSERT(dc.GetSafeHdc());
- CRect rect;
- GetClientRect(&rect);
- CBitmap bmp;
- bmp.CreateCompatibleBitmap(&paintDC, rect.Width(), rect.Height());
- ASSERT(bmp.GetSafeHandle());
- CBitmap* pOldBitmap = (CBitmap*)dc.SelectObject(&bmp);
- CFont* pOldFont = NULL;
- CWnd* pParent = GetParent();
- ASSERT(pParent);
- CFont* pFont = pParent->GetFont();
- ASSERT(pFont);
- if(bVertical)
- {
- if(NULL == m_font.GetSafeHandle())
- {
- LOGFONT lf = {0};
- pFont->GetLogFont(&lf);
- lf.lfEscapement = 900;
- m_font.CreateFontIndirect(&lf);
- }
- ASSERT(m_font.GetSafeHandle());
- pOldFont = (CFont*)dc.SelectObject(&m_font);
- }
- else
- {
- pOldFont = (CFont*)dc.SelectObject(pFont);
- }
- double dPercent = (double)(nPos - nMin) / ((double)(nMax - nMin));
- dc.DrawEdge(rect, EDGE_SUNKEN, BF_RECT | BF_FLAT);
- CRect rc(rect);
- rc.DeflateRect(CSize(2, 2));
- dc.FillSolidRect(&rc, m_clrBarBkColor);
- CString strText(_T(""));
- GetWindowText(strText);
- if(m_bShowPercent)
- {
- strText.AppendFormat(_T("%d%% "), static_cast<int>((dPercent * 100.0) + 0.5));
- }
- dc.SetBkMode(TRANSPARENT);
- dc.SetTextColor(m_clrTextColor);
- CPoint pt(0, 0);
- CSize size = dc.GetOutputTextExtent(strText);
- if(!bVertical)
- {
- switch(m_AlignText)
- {
- case ALIGN_LEFT:
- pt.x = rc.left;
- break;
- case ALIGN_RIGHT:
- pt.x = rc.right - size.cx;
- break;
- case ALIGN_CENTER:
- default:
- pt.x = rc.left + (rc.Width() - size.cx) / 2;
- break;
- }
- pt.y = rc.top + (rc.Height() - size.cy) / 2;
- CRect rcPos(rc);
- rcPos.right = rcPos.left + (int)(dPercent * rcPos.Width());
- dc.FillSolidRect(rcPos, m_clrBarColor);
- dc.SetTextColor(m_clrTextColor);
- dc.ExtTextOut(pt.x, pt.y, ETO_OPAQUE, rcPos, strText, NULL);
- dc.SetTextColor(m_clrTextBkColor);
- dc.ExtTextOut(pt.x, pt.y, ETO_CLIPPED, &rcPos, strText, NULL);
- }
- else
- {
- switch(m_AlignText)
- {
- case ALIGN_LEFT:
- pt.y = rc.bottom;
- break;
- case ALIGN_RIGHT:
- pt.y = rc.top + size.cx;
- break;
- case ALIGN_CENTER:
- default:
- pt.y = rc.bottom - (rc.Height() - size.cx) / 2;
- break;
- }
- pt.x = rc.left + (rc.Width() - size.cy) / 2;
- CRect rcPos(rc);
- rcPos.top = rcPos.bottom - (int)(dPercent * rcPos.Height());
- dc.FillSolidRect(rcPos, m_clrBarColor);
- dc.SetTextColor(m_clrTextColor);
- dc.ExtTextOut(pt.x, pt.y, ETO_OPAQUE, rcPos, strText, NULL);
- dc.SetTextColor(m_clrTextBkColor);
- dc.ExtTextOut(pt.x, pt.y, ETO_CLIPPED, &rcPos, strText, NULL);
- }
- paintDC.BitBlt(rect.left, rect.top ,rect.Width(), rect.Height(), &dc, 0, 0, SRCCOPY);
- dc.SelectObject(pOldFont);
- dc.SelectObject(pOldBitmap);
- bmp.DeleteObject();
- dc.DeleteDC();
- }
效果图如下所示:
http://blog.csdn.net/visualeleven/article/details/6165007