从CPropertySheet派生一个具有自绘功能的新类

 

//从CPropertySheet派生一个新类

//具有自绘题头功能

 

#pragma once// OwnerDraw_PropertySheet.h : header file///////////////////////////////////////////////////////////////////////////////// COwnerDraw_PropertySheetclass COwnerDraw_PropertySheet : public CPropertySheet{  DECLARE_DYNAMIC(COwnerDraw_PropertySheet)// Constructionpublic:  COwnerDraw_PropertySheet();  COwnerDraw_PropertySheet(UINT nIDCaption, CWnd* pParentWnd = NULL, UINT iSelectPage = 0);  COwnerDraw_PropertySheet(LPCTSTR pszCaption, CWnd* pParentWnd = NULL, UINT iSelectPage = 0);// Attributespublic:// Operationspublic:  INT InsertPage(CPropertyPage* pPage, INT nIndex=-1);// Overrides  // ClassWizard generated virtual function overrides  //{{AFX_VIRTUAL(COwnerDraw_PropertySheet)  public:  virtual BOOL OnInitDialog();  //}}AFX_VIRTUAL// Implementationpublic:  virtual ~COwnerDraw_PropertySheet();  // Generated message map functionsprotected:  //{{AFX_MSG(COwnerDraw_PropertySheet)  afx_msg void OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct);  afx_msg void OnSize(UINT nType, int cx, int cy);  //}}AFX_MSG  DECLARE_MESSAGE_MAP()  virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);  virtual BOOL OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult);protected:  void Comm_Init();protected:  COLORREF m_crSelColour, m_crGrayColour;  CFont m_SelFont, m_UnselFont;};

 

// OwnerDraw_PropertySheet.cpp : implementation file//#include "stdafx.h"#include "OwnerDraw_PropertySheet.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// COwnerDraw_PropertySheetIMPLEMENT_DYNAMIC(COwnerDraw_PropertySheet, CPropertySheet)COwnerDraw_PropertySheet::COwnerDraw_PropertySheet():CPropertySheet(){  Comm_Init();}COwnerDraw_PropertySheet::COwnerDraw_PropertySheet(UINT nIDCaption, CWnd* pParentWnd, UINT iSelectPage)  :CPropertySheet(nIDCaption, pParentWnd, iSelectPage){  Comm_Init();}COwnerDraw_PropertySheet::COwnerDraw_PropertySheet(LPCTSTR pszCaption, CWnd* pParentWnd, UINT iSelectPage)  :CPropertySheet(pszCaption, pParentWnd, iSelectPage){  Comm_Init();}void COwnerDraw_PropertySheet::Comm_Init(){}COwnerDraw_PropertySheet::~COwnerDraw_PropertySheet(){  m_SelFont.DeleteObject();  m_UnselFont.DeleteObject();}BEGIN_MESSAGE_MAP(COwnerDraw_PropertySheet, CPropertySheet)  //{{AFX_MSG_MAP(COwnerDraw_PropertySheet)  ON_WM_DRAWITEM()  ON_WM_SIZE()  //}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// COwnerDraw_PropertySheet message handlersBOOL COwnerDraw_PropertySheet::OnInitDialog() {  BOOL bResult = CPropertySheet::OnInitDialog();    // TODO: Add your specialized code here  CTabCtrl *pTabCtrl = GetTabControl();  pTabCtrl->ModifyStyle(0, TCS_OWNERDRAWFIXED ); //使之具有自绘功能  m_crSelColour = RGB(0,0,255); //选中字体颜色  m_crGrayColour = RGB(128,128,128); //灰字体颜色  //创建字体  CFont *pFont = pTabCtrl->GetFont();  LOGFONT mLogFont, mSelLogFont;  pFont->GetLogFont(&mLogFont);  mSelLogFont = mLogFont;  mSelLogFont.lfWeight = FW_ULTRABOLD;  m_SelFont.DeleteObject();  m_SelFont.CreateFontIndirect(&mSelLogFont);  m_UnselFont.DeleteObject();  m_UnselFont.CreateFontIndirect(&mLogFont);  return bResult;}void COwnerDraw_PropertySheet::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct) {  // TODO: Add your message handler code here and/or call default    CPropertySheet::OnDrawItem(nIDCtl, lpDrawItemStruct);  if(lpDrawItemStruct->CtlType == ODT_TAB)  {      CTabCtrl *pTabCtrl = GetTabControl();    CRect rect = lpDrawItemStruct->rcItem;    INT nTabIndex = lpDrawItemStruct->itemID;    if (nTabIndex < 0) return;    TCHAR label[64];    TC_ITEM tci;    tci.mask = TCIF_TEXT|TCIF_IMAGE;    tci.pszText = label;         tci.cchTextMax = 63;          pTabCtrl->GetItem(nTabIndex, &tci );    CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);    if (!pDC) return;    int nSavedDC = pDC->SaveDC();    // For some bizarre reason the rcItem you get extends above the actual drawing area. We have to workaround this "feature".    rect.top += ::GetSystemMetrics(SM_CYEDGE);    pDC->SetBkMode(TRANSPARENT);    //pDC->FillSolidRect(rect, ::GetSysColor(COLOR_BTNFACE));    // Draw image    CImageList* pImageList = pTabCtrl->GetImageList();    if (pImageList && tci.iImage >= 0)     {      rect.left += pDC->GetTextExtent(_T(" ")).cx;    // Margin      // Get height of image so we       IMAGEINFO info;      pImageList->GetImageInfo(tci.iImage, &info);      CRect ImageRect(info.rcImage);      INT nYpos = rect.top;      pImageList->Draw(pDC, tci.iImage, CPoint(rect.left, nYpos), ILD_TRANSPARENT);      rect.left += ImageRect.Width();    }    COLORREF txtColor = GetSysColor(COLOR_WINDOWTEXT);    CFont *pSelFont = 0;    if (lpDrawItemStruct->itemState & CDIS_SELECTED  )     {      rect.top -= ::GetSystemMetrics(SM_CYEDGE);      txtColor = m_crSelColour;      pSelFont = &m_SelFont;    }    else if(lpDrawItemStruct->itemState & (CDIS_DISABLED | CDIS_GRAYED) )     {      txtColor = m_crGrayColour;      pSelFont = &m_UnselFont;    }    else    {    }    pDC->SetTextColor(txtColor);    if(pSelFont)      pDC->SelectObject(pSelFont);    pDC->DrawText(label, rect, DT_SINGLELINE|DT_VCENTER|DT_CENTER);    pDC->RestoreDC(nSavedDC);  }}void COwnerDraw_PropertySheet::OnSize(UINT nType, int cx, int cy) {  CPropertySheet::OnSize(nType, cx, cy);    // TODO: Add your message handler code here  if(!GetSafeHwnd())    return;  CTabCtrl *pCtrl = GetTabControl();  if(pCtrl)  {    CRect SheetRect;    GetClientRect(&SheetRect);    CRect PageRect = SheetRect;    pCtrl->AdjustRect(0, PageRect);    for(INT nPage=0; nPage<GetPageCount(); nPage++)    {      CPropertyPage *pPage = GetPage(nPage);      if(pPage && pPage->GetSafeHwnd())      {        pPage->MoveWindow( &PageRect );        //pPage->PostMessage(WM_SIZE);      }    }  }  }LRESULT COwnerDraw_PropertySheet::WindowProc(UINT message, WPARAM wParam, LPARAM lParam){  // TODO: 在此添加专用代码和/或调用基类  if(WM_ERASEBKGND == message)    return TRUE;  if(WM_PAINT == message)  {    PAINTSTRUCT ps;    CDC *pDC = BeginPaint(&ps);     EndPaint(&ps);     return(0);  }  return CPropertySheet::WindowProc(message, wParam, lParam);}INT COwnerDraw_PropertySheet::InsertPage(CPropertyPage* pPage, INT nIndex){  ASSERT_VALID(this);  ENSURE_VALID(pPage);  ASSERT_KINDOF(CPropertyPage, pPage);  if(nIndex < 0 || nIndex > GetPageCount())//add to end  {    nIndex = GetPageCount();  }  // add page to internal list  m_pages.InsertAt(nIndex, pPage);  // add page externally  if (m_hWnd != NULL)  {    // build new prop page    HPROPSHEETPAGE hPSP = AfxCreatePropertySheetPage(&pPage->GetPSP());    if (hPSP == NULL)      AfxThrowMemoryException();    if (!SendMessage(PSM_INSERTPAGE, nIndex, (LPARAM)hPSP))    {      AfxDestroyPropertySheetPage(hPSP);      AfxThrowMemoryException();    }    ++m_psh.nPages;  }  return nIndex;}BOOL COwnerDraw_PropertySheet::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult){  // TODO: 在此添加专用代码和/或调用基类  static NMHDR nmh;  nmh = *((LPNMHDR)lParam);  nmh.hwndFrom = GetSafeHwnd();  BOOL bRet = CPropertySheet::OnNotify(wParam, lParam, pResult);  GetParent()->PostMessage(WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&nmh);  return bRet;}