• 【转】 VC MFC 钩子 实现 自绘 窗体 标题栏 非客户区


    效果:

    程序:

    #if !defined(_LJF_LJFHOOK_H)
    #define _LJF_LJFHOOK_H

    #if _MSC_VER > 1000
    #pragma once
    #endif
    #include <afxtempl.h>
    #define sLjfDialogOldProcTag _T("CDialog_oldProc")
    #define SYSBTN_NON -1
    #define SYSBTN_MIN 0
    #define SYSBTN_NOM 1
    #define SYSBTN_MAX 2
    #define SYSBTN_CLS 3

    #define SYSBTNSTATE_NOM 0
    #define SYSBTNSTATE_OVER 1
    #define SYSBTNSTATE_DOWN 2
    #define SYSBTNSTATE_BLUR 3
    #define SYSBTNSTATE_DIS 4

    class CLjfDialogPrivateInfo
    {
    public:
    CLjfDialogPrivateInfo();
    HICON hIcon;
    int iOrgCapHeight;
    int iOrgBorderWidth;
    CString strCaption;
    BOOL bNcActive;
    BOOL bNcLBtnDown;
    BOOL bHasMaxBtn;
    BOOL bHasMinBtn;
    BOOL bHasCloseBtn;
    RECT rWnd;
    RECT rwndbtnClose;
    RECT rwndbtnMax;
    RECT rwndbtnMin;

    RECT rwndC11;
    RECT rwndC12;
    RECT rwndC13;

    RECT rwndC21;
    RECT rwndC22;
    RECT rwndC23;

    RECT rwndC31;
    RECT rwndC32;
    RECT rwndC33;

    RECT rwndC41;
    RECT rwndC42;
    RECT rwndC43;
    RECT rwndCaption;
    };
    class CLjfDialogInfo
    {
    public:
    CLjfDialogInfo();
    ~CLjfDialogInfo();
    void PreparBitmapTranRgn(CBitmap* pBitmap);
    void SetLjfWindowRgn(HWND hWnd,CLjfDialogPrivateInfo *_p);
    bool GetInfoFromIniFile(CString sFileName);
    void SetWindRect(HWND hWnd,CBitmap* pBitmapWnd,CLjfDialogPrivateInfo *_p);
    CRgn rgnBmpTran;
    int capLeftspace;
    int capTopspace;
    int capFontHeight;
    int icoLeftspace;
    int icoWidth;
    int icoTopspace;

    int btnHeight;
    int btnWidth ;
    int btnInspace ;
    int btnRightspace ;
    int btnTopspace ;

    int bdyWidth;
    int bdyHeight;
    int bdyCaptionHeight ;
    int bdyBorderBottomHeight ;
    int bdyBorderLeftWidth ;
    int bdyBorderRightWidth ;

    int bdyCTop1Width ;
    int bdyCTop2Width ;

    int bdyCBottom1Width;
    int bdyCBottom2Width;

    int bdyCLeft1Height;
    int bdyCLeft2Height;

    int bdyCRight1Height;
    int bdyCRight2Height;

    RECT btnrClose;
    RECT btnrMax;
    RECT btnrMin;
    RECT btnrNom;

    RECT bdyrC11;
    RECT bdyrC12;
    RECT bdyrC13;

    RECT bdyrC21;
    RECT bdyrC22;
    RECT bdyrC23;

    RECT bdyrC31;
    RECT bdyrC32;
    RECT bdyrC33;

    RECT bdyrC41;
    RECT bdyrC42;
    RECT bdyrC43;
    };
    class CLjfDialog
    {
    // 构造
    public:
        CLjfDialog(HWND hWnd);
    ~CLjfDialog();
    static void Install(CString sSkinIniFileName);
    static void UnInstall();
    static bool AddSubClass( HWND &hWnd,TCHAR * oldProcTag,DWORD Proc);

    static CLjfDialog* AddWndHook(HWND hwnd);
    static CLjfDialog* GetWndHook(HWND hwnd);

    static LRESULT CALLBACK LjfDialogProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
    static LRESULT CALLBACK WindowHook (int code, WPARAM wParam, LPARAM lParam);

    static bool GetCBitmap(CString sFileName,CBitmap &cbmp);
    static bool FillRect(HWND hWnd,CDC *pDC, RECT rt, RECT rtbmp,CBitmap *pcbmp);
    static bool FillRect(CDC* pdcMem,CDC *pdcMemShow, RECT rt, RECT rtbmp);
    static bool FillButton(HWND hWnd,CDC* pdcMem,CDC *pdcMemShow,CLjfDialogPrivateInfo * _p,int intBtnNo,int intBtnState);//
    static bool FillButton(HWND hWnd,CLjfDialogPrivateInfo * _p,int intBtnNo,int intBtnState, CDC *pDC);//
    static void DrawNC(HWND hWnd,CLjfDialogPrivateInfo *_p,CDC* pDC);//画非客户区.
    static bool GetBtnRect(HWND hWnd,CLjfDialogPrivateInfo * _p,RECT &rbtn, RECT &rbtnWnd, int intBtnNo,int intState);
    // 消息
    public:
    LRESULT OnNcCalcsize(WNDPROC lpPrevWndFunc,HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam);
    void NcCalcSize(RECT* rect);
    void OnShowWindow(BOOL bShow);
    void OnNcDestroy();
    void OnCreate(LPCREATESTRUCT lpCreateStruct);
    void OnNcPaint();
    UINT OnNcHitTest(WNDPROC lpPrevWndFunc,HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam);
    void OnNcActivate(BOOL bActive);
    void OnMove(int x, int y);
    void OnNcLButtonDown(UINT nHitTest, CPoint point);
    void OnNcLButtonUp(UINT nHitTest, CPoint point);
    void OnNcMouseMove(UINT nHitTest, CPoint point);
    void OnSize();
    // 数据
    protected:
    HWND m_hWnd;
    CLjfDialogPrivateInfo m_p;//对象私有信息
    static CMap<HWND, HWND, CLjfDialog*, CLjfDialog*> m_map;
        static HHOOK m_hHook;
    static CString m_sSkinName;
    static CLjfDialogInfo m_sif;//公用信息
    static CBitmap m_cbmpDlgFocus;
    static CBitmap m_cbmpDlgBlur;
    static CBitmap m_cbmpSysBtn;
    };

    #endif // !defined(_LJF_LJFHOOK_H)
    //////////////////////////////

    #include "stdafx.h"
    #include "LjfIni.h"
    #include "LjfDialog.h"

    #ifdef _DEBUG
    #undef THIS_FILE
    static char THIS_FILE[]=__FILE__;
    #define new DEBUG_NEW
    #endif

    //静态变量
    CMap <HWND, HWND, CLjfDialog*, CLjfDialog*> CLjfDialog::m_map;
    HHOOK CLjfDialog::m_hHook = NULL;
    CString CLjfDialog::m_sSkinName = "skin";
    CLjfDialogInfo CLjfDialog::m_sif;
    CBitmap CLjfDialog::m_cbmpDlgFocus;
    CBitmap CLjfDialog::m_cbmpDlgBlur;
    CBitmap CLjfDialog::m_cbmpSysBtn;

    //回调函数
    LRESULT CALLBACK CLjfDialog::LjfDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
    {
    WNDPROC oldWndProc = (WNDPROC)GetProp(hWnd, sLjfDialogOldProcTag);
        CLjfDialog* pWnd = GetWndHook(hWnd);
    UINT uMsg1=uMsg;
    if (pWnd == NULL) goto EndLjfDialogProc;

        switch (uMsg)
        {
       case WM_NCCALCSIZE:
        return pWnd->OnNcCalcsize(oldWndProc, hWnd, uMsg1, wParam, lParam);
       case WM_NCPAINT:
        pWnd->OnNcPaint();
        return HTNOWHERE;
       case WM_SHOWWINDOW:
        pWnd->OnShowWindow(wParam != NULL);
        break;
       case WM_NCDESTROY:
        pWnd->OnNcDestroy();
        break;
       case WM_CREATE:
        pWnd->OnCreate((CREATESTRUCT *)lParam);
        break;
       case WM_NCHITTEST:
        return pWnd->OnNcHitTest(oldWndProc, hWnd, uMsg1, wParam, lParam);
       case WM_NCACTIVATE:
        pWnd->OnNcActivate((BOOL)LOWORD(wParam));
        return HTCAPTION;
       case 0x00AE://在windows最佳性能时依然在NCBUTTONDOWN和调整大小时
       case 0x00AF://有系统最大最小关闭按钮出现,有待解决.
       //case WM_NOTIFY:
        return HTCAPTION;
       case WM_MOVE:
        pWnd->OnMove(LOWORD(lParam),HIWORD(lParam));
        break;
       case WM_NCLBUTTONDOWN:
        pWnd->OnNcLButtonDown((UINT)wParam,CPoint(LOWORD(lParam),HIWORD(lParam)));
        break;
       case WM_NCLBUTTONUP:
        pWnd->OnNcLButtonUp((UINT)wParam,CPoint(LOWORD(lParam),HIWORD(lParam)));
        break;
       case WM_NCMOUSEMOVE:
        pWnd->OnNcMouseMove((UINT)wParam,CPoint(LOWORD(lParam),HIWORD(lParam)));
        break;
       case WM_SIZE:
        pWnd->OnSize();
        break;
        }
    EndLjfDialogProc:
    if(IsWindow(hWnd))
       return CallWindowProc(oldWndProc, hWnd, uMsg1, wParam, lParam);
    else
       return HTNOWHERE;
    }
    //消息处理函数
    void CLjfDialog::OnCreate(LPCREATESTRUCT lpCreateStruct)
    {
    m_p.strCaption=lpCreateStruct->lpszName;
    RECT r;GetWindowRect(m_hWnd,&r);//整个窗口的相对于屏幕的矩形
    CWnd::FromHandle(m_hWnd)->ScreenToClient(&r);
    m_p.iOrgCapHeight = -r.top;
    m_p.iOrgBorderWidth = -r.left;

    LONG lWindowStyle = GetWindowLong(m_hWnd,GWL_STYLE);  
    if(!(lWindowStyle&WS_MINIMIZEBOX)) m_p.bHasMinBtn = FALSE;
    if(!(lWindowStyle&WS_MAXIMIZEBOX)) m_p.bHasMaxBtn = FALSE;
    if (!(lWindowStyle&WS_SYSMENU)) m_p.bHasCloseBtn = FALSE;

    //重设窗体大小
    CRect rtOrg;GetWindowRect(m_hWnd,&rtOrg);
    int iEw=m_sif.bdyBorderLeftWidth+m_sif.bdyBorderRightWidth-2*m_p.iOrgBorderWidth;
    int iEh = m_sif.bdyCaptionHeight-m_p.iOrgCapHeight+m_sif.bdyBorderBottomHeight-m_p.iOrgBorderWidth;
    SetWindowPos(m_hWnd,HWND_TOP,0,0,rtOrg.Width()+iEw,rtOrg.Height()+iEh,SWP_NOMOVE);
    }
    void CLjfDialog::OnNcActivate(BOOL bActive)
    {
    m_p.bNcActive=bActive;
    OnNcPaint();
    }
    void CLjfDialog::OnNcLButtonDown(UINT nHitTest, CPoint point)
    {
    //检测最小,最大和关闭按钮是否按下,然后更换.
    m_p.bNcLBtnDown = TRUE;
    POINT p;
    p.x = point.x-m_p.rWnd.left;
    p.y = point.y-m_p.rWnd.top;
    if (PtInRect(&m_p.rwndbtnMin,p) && m_p.bHasMinBtn)
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_MIN,SYSBTNSTATE_DOWN,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    else if (PtInRect(&m_p.rwndbtnMax,p) && m_p.bHasMaxBtn)
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));  
       FillButton(m_hWnd,&m_p,SYSBTN_MAX,SYSBTNSTATE_DOWN,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    else if (PtInRect(&m_p.rwndbtnClose,p) && m_p.bHasCloseBtn)
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_CLS,SYSBTNSTATE_DOWN,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    }
    void CLjfDialog::OnNcMouseMove(UINT nHitTest, CPoint point)
    {
    //检测最小,最大和关闭按钮是否有鼠标悬停,然后更换.
    if(m_p.bNcLBtnDown)
    {
       m_p.bNcLBtnDown = false;
       return;
    }
    POINT p;
    p.x = point.x-m_p.rWnd.left;
    p.y = point.y-m_p.rWnd.top;
    if (PtInRect(&m_p.rwndbtnMin,p) & m_p.bHasMinBtn)
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_MIN,SYSBTNSTATE_OVER,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    else if (PtInRect(&m_p.rwndbtnMax,p))
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_MAX,SYSBTNSTATE_OVER,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    else if (PtInRect(&m_p.rwndbtnClose,p))
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_CLS,SYSBTNSTATE_OVER,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    else
    {
       CWindowDC dc(CWnd::FromHandle(m_hWnd));
       FillButton(m_hWnd,&m_p,SYSBTN_MIN,SYSBTNSTATE_NOM,&dc);
       FillButton(m_hWnd,&m_p,SYSBTN_MAX,SYSBTNSTATE_NOM,&dc);
       FillButton(m_hWnd,&m_p,SYSBTN_CLS,SYSBTNSTATE_NOM,&dc);
       ReleaseDC(m_hWnd,dc);
    }
    }
    UINT CLjfDialog::OnNcHitTest(WNDPROC lpPrevWndFunc,HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam)
    {
    LRESULT lRet = CallWindowProc(lpPrevWndFunc,hWnd,Msg,wParam,lParam);
    if (lRet == HTZOOM || lRet == HTMINBUTTON || lRet == HTCLOSE
       || HTHELP == lRet || lRet == HTTOP)//屏蔽最大最小关闭HITTEST.
       lRet = HTCAPTION;
    if( HTCAPTION != lRet )
       return lRet;

    POINT p;
    p.x = LOWORD(lParam)-m_p.rWnd.left;
    p.y = HIWORD(lParam)-m_p.rWnd.top;
    if (PtInRect(&m_p.rwndbtnMin,p))
       m_p.bHasMinBtn?lRet = HTSYSMENU:lRet = HTCAPTION;
    if (PtInRect(&m_p.rwndbtnMax,p))
       m_p.bHasMaxBtn?lRet = HTSYSMENU:lRet = HTCAPTION;
    if (PtInRect(&m_p.rwndbtnClose,p))
       m_p.bHasCloseBtn?lRet = HTSYSMENU:lRet = HTCAPTION;
    return lRet;
    }
    void CLjfDialog::OnMove(int x, int y)
    {
    GetWindowRect(m_hWnd,&m_p.rWnd);
    }

    void CLjfDialog::OnNcLButtonUp(UINT nHitTest, CPoint point)
    {
    //检测最小,最大和关闭按钮LButtonUp,执行对应操作
    POINT p;
    p.x = point.x-m_p.rWnd.left;
    p.y = point.y-m_p.rWnd.top;
    if (PtInRect(&m_p.rwndbtnMin,p) && m_p.bHasMinBtn)
       SendMessage(m_hWnd,WM_SYSCOMMAND, SC_MINIMIZE, MAKELPARAM(point.x, point.y) );
    else if (PtInRect(&m_p.rwndbtnMax,p) && m_p.bHasMaxBtn)
       if (IsZoomed(m_hWnd))
        SendMessage(m_hWnd,WM_SYSCOMMAND, SC_RESTORE, MAKELPARAM(point.x, point.y));
       else
        SendMessage(m_hWnd,WM_SYSCOMMAND, SC_MAXIMIZE, MAKELPARAM(point.x, point.y) );
    else if (PtInRect(&m_p.rwndbtnClose,p) && m_p.bHasCloseBtn)
       SendMessage(m_hWnd,WM_CLOSE,0,0);
    }

    LRESULT CLjfDialog::OnNcCalcsize(WNDPROC lpPrevWndFunc,HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam)
    {
    //重设NC度量为给定值
    LRESULT lRet = CallWindowProc(lpPrevWndFunc,hWnd,Msg,wParam,lParam);
        if ( (BOOL)wParam )   
    {
       NCCALCSIZE_PARAMS* lpncsp = (NCCALCSIZE_PARAMS*)lParam;
       CRect oldrect = lpncsp->rgrc[0];       
       NcCalcSize(lpncsp->rgrc);       
       lpncsp->rgrc[1] = lpncsp->rgrc[0];       
       lRet = 0;   
    }
    return lRet;
    }
    void CLjfDialog::NcCalcSize(RECT* rect)
    {
    if (m_p.iOrgCapHeight>10)//has caption bar
    {
       rect[0].left += m_sif.bdyBorderLeftWidth-m_p.iOrgBorderWidth;//窗体左边框的宽度       
       rect[0].right -= m_sif.bdyBorderRightWidth-m_p.iOrgBorderWidth;//窗体右边框的宽度       
       rect[0].top += m_sif.bdyCaptionHeight-m_p.iOrgCapHeight; //窗体标题栏的高度
       rect[0].bottom -= m_sif.bdyBorderBottomHeight-m_p.iOrgBorderWidth;//窗体底边框的高度
    }
    }
    void CLjfDialog::OnNcPaint()
    {
        CWindowDC dc(CWnd::FromHandle(m_hWnd));
    DrawNC(m_hWnd,&m_p,&dc);
    }
    void CLjfDialog::OnSize()
    {
    m_sif.SetLjfWindowRgn(m_hWnd,&m_p);
    }
    void CLjfDialog::OnNcDestroy(){delete this;}
    void CLjfDialog::OnShowWindow(BOOL bShow)
    {
    if (!bShow)
       delete this;
    else
    {
       //m_sif.SetLjfWindowRgn(m_hWnd,&m_cbmpDlgFocus,&m_p);
       OnSize();
       m_p.hIcon=CWnd::FromHandle(m_hWnd)->GetIcon(true);
       if(m_p.hIcon == NULL) m_p.hIcon = AfxGetApp()->LoadStandardIcon(IDI_APPLICATION);
    }
    }

    //Draw NC
    void CLjfDialog::DrawNC(HWND hWnd,CLjfDialogPrivateInfo *_p,CDC* pDC)
    {
    if (!hWnd) return;
    m_sif.SetWindRect(hWnd,&m_cbmpDlgFocus,_p);//按钮,标题在窗口上的相对位置

    CBitmap * pcbmp= &m_cbmpDlgFocus;
    int iBtnState=SYSBTNSTATE_NOM;
    if (!_p->bNcActive)
    {
       pcbmp = &m_cbmpDlgBlur;
       iBtnState=SYSBTNSTATE_BLUR;
    }

    CDC dcMem;dcMem.CreateCompatibleDC(pDC);
    CDC dcMemShow;dcMemShow.CreateCompatibleDC(pDC);

    CBitmap cbmpMemShow;
    cbmpMemShow.CreateCompatibleBitmap(pDC,_p->rWnd.right-_p->rWnd.left,_p->rWnd.bottom-_p->rWnd.top);
    dcMemShow.SelectObject(cbmpMemShow);

    dcMem.SelectObject(pcbmp);
    FillRect(&dcMem,&dcMemShow,_p->rwndC11,m_sif.bdyrC11);
    FillRect(&dcMem,&dcMemShow,_p->rwndC13,m_sif.bdyrC13);
    FillRect(&dcMem,&dcMemShow,_p->rwndC12,m_sif.bdyrC12);

    FillRect(&dcMem,&dcMemShow,_p->rwndC21,m_sif.bdyrC21);
    FillRect(&dcMem,&dcMemShow,_p->rwndC23,m_sif.bdyrC23);
    FillRect(&dcMem,&dcMemShow,_p->rwndC22,m_sif.bdyrC22);

    FillRect(&dcMem,&dcMemShow,_p->rwndC31,m_sif.bdyrC31);
    FillRect(&dcMem,&dcMemShow,_p->rwndC33,m_sif.bdyrC33);
    FillRect(&dcMem,&dcMemShow,_p->rwndC32,m_sif.bdyrC32);

    FillRect(&dcMem,&dcMemShow,_p->rwndC41,m_sif.bdyrC41);
    FillRect(&dcMem,&dcMemShow,_p->rwndC43,m_sif.bdyrC43);
    FillRect(&dcMem,&dcMemShow,_p->rwndC42,m_sif.bdyrC42);

    dcMem.SelectObject(&m_cbmpSysBtn);
    FillButton(hWnd,&dcMem,&dcMemShow,_p,SYSBTN_MIN,iBtnState);
    FillButton(hWnd,&dcMem,&dcMemShow,_p,SYSBTN_MAX,iBtnState);
    FillButton(hWnd,&dcMem,&dcMemShow,_p,SYSBTN_CLS,iBtnState);

    //在dcMemShow中重画icon
    DrawIconEx(dcMemShow.m_hDC, m_sif.icoLeftspace, m_sif.icoTopspace,_p->hIcon, m_sif.icoWidth, m_sif.icoWidth,0, NULL,DI_NORMAL);

    //在dcMemShow中重画caption
    dcMemShow.SetBkMode(TRANSPARENT);
    dcMemShow.SetTextColor(RGB(150, 150, 150));
    CFont font; font.CreateFont(m_sif.capFontHeight,0,0,0,FW_NORMAL,FALSE,FALSE,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,
       CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH | FF_SWISS,"宋体");
    dcMemShow.SelectObject(&font);
    dcMemShow.DrawText(_T(_p->strCaption),&_p->rwndCaption,DT_LEFT|DT_TOP|DT_END_ELLIPSIS);//先画Caption阴影.
    if(_p->bNcActive)
       dcMemShow.SetTextColor(RGB(255, 255, 255));
    else
       dcMemShow.SetTextColor(RGB(100, 100, 100));
    OffsetRect(&_p->rwndCaption,1,-1);
    dcMemShow.DrawText(_T(_p->strCaption),&_p->rwndCaption,DT_LEFT|DT_TOP|DT_END_ELLIPSIS);

    //把dcMemShow中的图像粘到pDC的NC区中。
    CBitmap* pBt=dcMemShow.GetCurrentBitmap();
    CBrush br;br.CreatePatternBrush(pBt);

    CRect rClient;CWnd::FromHandle(hWnd)->GetClientRect(&rClient);
    OffsetRect(&rClient,m_sif.bdyBorderLeftWidth,m_sif.bdyCaptionHeight);
    CRgn rgnClient;rgnClient.CreateRectRgn(rClient.left,rClient.top,rClient.right,rClient.bottom);
    CRgn rgnWindow;rgnWindow.CreateRectRgn(0,0,_p->rWnd.right-_p->rWnd.left,_p->rWnd.bottom-_p->rWnd.top);

    CRgn rgnNC;rgnNC.CreateRectRgn(0,0,0,0);
    rgnNC.CombineRgn(&rgnWindow,&rgnClient,RGN_DIFF);

    pDC->FillRgn(&rgnNC,&br);
    }
    //Draw NC end

    //添加Hook到m_map
    CLjfDialog* CLjfDialog::AddWndHook(HWND hwnd)
    {
    CLjfDialog* pWnd = NULL;
    if (m_map.Lookup(hwnd, pWnd)) return pWnd;//如果已有hwnd,返回得到的值。

    pWnd = new CLjfDialog(hwnd);
    if (pWnd != NULL)
    {
       m_map.SetAt(hwnd, pWnd);
    }
    return pWnd;
    }
    //得到m_map中的Hook
    CLjfDialog* CLjfDialog::GetWndHook(HWND hwnd)
    {
        CLjfDialog* pWnd = NULL;
        if (m_map.Lookup(hwnd, pWnd))
        {
            return pWnd;
        }
        return NULL;
    }
    bool CLjfDialog::FillRect(HWND hWnd,CDC *pDC, RECT rt, RECT rtbmp,CBitmap *pcbmp)
    {
    CDC MemDC;MemDC.CreateCompatibleDC (pDC);
    CBitmap *pOldBitmap=MemDC.SelectObject (pcbmp);
    pDC->StretchBlt(rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top,&MemDC,
       rtbmp.left,rtbmp.top,rtbmp.right-rtbmp.left, rtbmp.bottom-rtbmp.top,SRCCOPY);
    MemDC.SelectObject (pOldBitmap);
    ReleaseDC(hWnd,MemDC.m_hDC);
    pOldBitmap->DeleteObject();
    return true;
    }
    bool CLjfDialog::FillRect(CDC* pdcMem,CDC *pdcMemShow, RECT rt, RECT rtbmp)
    {
    pdcMemShow->StretchBlt(rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top,pdcMem,
       rtbmp.left,rtbmp.top,rtbmp.right-rtbmp.left, rtbmp.bottom-rtbmp.top,SRCCOPY);
    return true;
    }

    //FillButton
    bool CLjfDialog::FillButton(HWND hWnd,CLjfDialogPrivateInfo * _p,int intBtnNo,int intBtnState, CDC *pDC)
    {
    RECT rbtn,rbtnWnd;
    if (GetBtnRect(hWnd,_p,rbtn, rbtnWnd, intBtnNo,intBtnState))
    {
       FillRect(hWnd,pDC,rbtnWnd,rbtn,&m_cbmpSysBtn);
       return true;
    }
    return false;
    }
    bool CLjfDialog::FillButton(HWND hWnd,CDC* pdcMem,CDC *pdcMemShow,CLjfDialogPrivateInfo * _p,int intBtnNo,int intBtnState)
    {
    RECT rbtn,rbtnWnd;
    if (GetBtnRect(hWnd,_p,rbtn, rbtnWnd, intBtnNo,intBtnState))
    {
       FillRect(pdcMem,pdcMemShow,rbtnWnd,rbtn);
       return true;
    }
    return false;
    }
    bool CLjfDialog::GetBtnRect(HWND hWnd,CLjfDialogPrivateInfo * _p,RECT &rbtn, RECT &rbtnWnd, int intBtnNo,int intBtnState)
    {
    int intState = intBtnState;
    if(intState <= SYSBTN_NON) return false;
    switch(intBtnNo) {
    case SYSBTN_MIN:
       if(!_p->bHasMinBtn && !_p->bHasMaxBtn) return false;
       if (!_p->bHasMinBtn) intState = SYSBTNSTATE_DIS;
       rbtn = m_sif.btnrMin;
       rbtnWnd = _p->rwndbtnMin;
       break;
    case SYSBTN_NOM:
    case SYSBTN_MAX:
       if(!_p->bHasMinBtn && !_p->bHasMaxBtn) return false;
       if(!_p->bHasMaxBtn) intState = SYSBTNSTATE_DIS;
       if(IsZoomed(hWnd))
        rbtn = m_sif.btnrNom;
       else
        rbtn = m_sif.btnrMax;
       rbtnWnd = _p->rwndbtnMax;
       break;
    case SYSBTN_CLS:
       if(!_p->bHasCloseBtn) intState = SYSBTNSTATE_DIS;
       rbtn = m_sif.btnrClose;
       rbtnWnd = _p->rwndbtnClose;
       break;
    }
    OffsetRect(&rbtn,intState*m_sif.btnWidth,0);
    return true;
    }

    //FillButton end

    //子类化
    bool CLjfDialog::AddSubClass( HWND &hWnd,TCHAR * oldProcTag,DWORD Proc)
    {
    if (GetProp(hWnd, oldProcTag) != NULL ) return false;//已被子类化
    VERIFY(AddWndHook(hWnd) != NULL);
    WNDPROC oldWndProc = (WNDPROC)(long)::GetWindowLong(hWnd, GWL_WNDPROC);// 取原来窗口过程
    if (oldWndProc == NULL) return false;
    ASSERT((DWORD)(ULONG)oldWndProc != Proc);
    if (!SetProp(hWnd, oldProcTag, oldWndProc) ) return false;// 保存到窗口属性
    if (!SetWindowLong(hWnd, GWL_WNDPROC,Proc))// 子类化
       RemoveProp(hWnd, oldProcTag);
    return true;
    }
    bool CLjfDialog::GetCBitmap(CString sFileName,CBitmap &cbmp)
    {
    char cpath[100];
    sprintf(cpath,"%s//%s.bmp",m_sSkinName,sFileName);
    HBITMAP hBitmap=(HBITMAP)::LoadImage(AfxGetInstanceHandle(),
       cpath,IMAGE_BITMAP,0,0,LR_DEFAULTSIZE|LR_LOADFROMFILE);
    cbmp.Attach(hBitmap);
    return true;
    }

    //构造
    CLjfDialog::CLjfDialog (HWND hWnd)
    : m_hWnd(hWnd)
    {}
    //析构
    CLjfDialog::~CLjfDialog ()
    {
        WNDPROC oldWndProc = (WNDPROC)::GetProp(m_hWnd, sLjfDialogOldProcTag);
        if (oldWndProc != NULL)
        {
            SetWindowLong(m_hWnd, GWL_WNDPROC, (DWORD)(ULONG)oldWndProc);
            RemoveProp(m_hWnd, sLjfDialogOldProcTag);
        }
        m_map.RemoveKey(m_hWnd);

    }
    //安装钩子
    void CLjfDialog::Install(CString sSkinIniFileName)
    {
        if (m_hHook == NULL )
            m_hHook = SetWindowsHookEx(WH_CALLWNDPROC, WindowHook,AfxGetApp()->m_hInstance,GetCurrentThreadId());

    CLjfIni ini(sSkinIniFileName);
    m_sSkinName=ini.GetString("skin","skin","");
    if(m_sSkinName == "") m_sSkinName = "skin";//默认
    CString sIniPath;sIniPath.Format("%s\\skin.ini",m_sSkinName);
    m_sif.GetInfoFromIniFile(sIniPath);

    GetCBitmap("bodyfocus",m_cbmpDlgFocus);
    GetCBitmap("bodyblur",m_cbmpDlgBlur);
    GetCBitmap("sysbtn",m_cbmpSysBtn);
    m_sif.PreparBitmapTranRgn(&m_cbmpDlgFocus);
    }
    //卸载钩子
    void CLjfDialog::UnInstall()
    {
        POSITION pos = m_map.GetStartPosition();
        while (pos != NULL)
        {
            HWND hwnd;
            CLjfDialog* pHook;
            m_map.GetNextAssoc(pos, hwnd, pHook);
            delete pHook;
       pHook = NULL;
        }
        m_map.RemoveAll();
    m_cbmpSysBtn.DeleteObject();
    m_cbmpDlgFocus.DeleteObject();
    m_cbmpDlgBlur.DeleteObject();

        if (m_hHook != NULL) UnhookWindowsHookEx(m_hHook);
    }
    //消息过程
    LRESULT CALLBACK CLjfDialog::WindowHook(int code, WPARAM wParam, LPARAM lParam)
    {
        CWPSTRUCT* pStruct = (CWPSTRUCT*)lParam;
        if (code == HC_ACTION)
        {
            HWND hWnd = pStruct->hwnd;
            if (pStruct->message != WM_CREATE && pStruct->message != 0x01E2) goto EndProc;

       TCHAR strClassName[20];
       GetClassName (hWnd, strClassName, sizeof(strClassName));

       LPCSTR lpszClassName = CWnd::FromHandle(hWnd)->GetRuntimeClass()->m_lpszClassName;
       TRACE(lpszClassName);TRACE("---------\r\n");

       //是CDialog类,无标题栏
       //if (_tcscmp(lpszClassName, _T("CDialog")) == 0 && GetWindowLong(hWnd,GWL_STYLE)&WS_CAPTION)
       if (_tcscmp(strClassName, _T("#32770")) == 0 && GetWindowLong(hWnd,GWL_STYLE)&WS_CAPTION)
        AddSubClass(hWnd,sLjfDialogOldProcTag,(DWORD)(ULONG)LjfDialogProc);
    }

    EndProc:
        return CallNextHookEx (m_hHook, code, wParam, lParam);
    }
    CLjfDialogInfo::CLjfDialogInfo(){}
    CLjfDialogInfo::~CLjfDialogInfo()
    {
    rgnBmpTran.DeleteObject();
    }
    CLjfDialogPrivateInfo::CLjfDialogPrivateInfo()
    : bHasMaxBtn(TRUE),bHasMinBtn(TRUE),bHasCloseBtn(TRUE)
    {}
    bool CLjfDialogInfo::GetInfoFromIniFile(CString sFileName)
    {
    CLjfIni ini(sFileName);

    capLeftspace = ini.GetInt("cap","capleftspace",0);
    capTopspace = ini.GetInt("cap","captopspace",0);
    capFontHeight= ini.GetInt("cap","capfontheight",0);
    icoLeftspace = ini.GetInt("icon","leftspace",0);
    icoTopspace = ini.GetInt("icon","topspace",0);
    icoWidth     = ini.GetInt("icon","width",0);

    btnHeight =     ini.GetInt("sysbtn","height",0);
    btnWidth =      ini.GetInt("sysbtn","width",0);
    btnInspace =    ini.GetInt("sysbtn","inspace",0);
    btnRightspace = ini.GetInt("sysbtn","rightspace",0);
    btnTopspace =   ini.GetInt("sysbtn","topspace",0);

    bdyWidth =       ini.GetInt("body","width",0);
    bdyHeight =      ini.GetInt("body","height",0);

    bdyCaptionHeight =      ini.GetInt("body","border1",0);
    bdyBorderBottomHeight = ini.GetInt("body","border2",0);
    bdyBorderLeftWidth =    ini.GetInt("body","border3",0);
    bdyBorderRightWidth =   ini.GetInt("body","border4",0);

    bdyCTop1Width = ini.GetInt("body","c11w",0);
    bdyCTop2Width = ini.GetInt("body","c12w",0);

    bdyCBottom1Width = ini.GetInt("body","c21w",0);
    bdyCBottom2Width = ini.GetInt("body","c22w",0);

    bdyCLeft1Height = ini.GetInt("body","c31h",0);
    bdyCLeft2Height = ini.GetInt("body","c32h",0);

    bdyCRight1Height = ini.GetInt("body","c41h",0);
    bdyCRight2Height = ini.GetInt("body","c42h",0);

    //btnr在sysbtn图片上位置
    SetRect(&btnrMin,0,0,btnWidth,btnHeight);
    SetRect(&btnrNom,btnWidth*5,0,btnWidth*6,btnHeight);//多加一个Nom;
    SetRect(&btnrMax,btnWidth*10,0,btnWidth*11,btnHeight);
    SetRect(&btnrClose,btnWidth*15,0,btnWidth*16,btnHeight);

    SetRect(&bdyrC11,0,0,bdyCTop1Width,bdyCaptionHeight);
    SetRect(&bdyrC12,bdyWidth-bdyCTop2Width,0,bdyWidth,bdyCaptionHeight);
    SetRect(&bdyrC13,bdyCTop1Width,0,bdyWidth-bdyCTop2Width,bdyCaptionHeight);

    SetRect(&bdyrC21,bdyBorderLeftWidth,bdyHeight-bdyBorderBottomHeight,bdyBorderLeftWidth+bdyCBottom1Width,bdyHeight);
    SetRect(&bdyrC22,bdyWidth-bdyBorderRightWidth-bdyCBottom2Width,bdyHeight-bdyBorderBottomHeight,bdyWidth-bdyBorderRightWidth,bdyHeight);
    SetRect(&bdyrC23,bdyBorderLeftWidth+bdyCBottom1Width,bdyHeight-bdyBorderBottomHeight,bdyWidth-bdyBorderRightWidth-bdyCBottom2Width,bdyHeight);

    SetRect(&bdyrC31,0,bdyCaptionHeight,bdyBorderLeftWidth,bdyCaptionHeight+bdyCLeft1Height);
    SetRect(&bdyrC32,0,bdyHeight-bdyCLeft2Height,bdyBorderLeftWidth,bdyHeight);
    SetRect(&bdyrC33,0,bdyCaptionHeight+bdyCLeft1Height,bdyBorderLeftWidth,bdyHeight-bdyCLeft2Height);

    SetRect(&bdyrC41,bdyWidth-bdyBorderRightWidth,bdyCaptionHeight,bdyWidth,bdyCaptionHeight+bdyCRight1Height);
    SetRect(&bdyrC42,bdyWidth-bdyBorderRightWidth,bdyHeight-bdyCRight2Height,bdyWidth,bdyHeight);
    SetRect(&bdyrC43,bdyWidth-bdyBorderRightWidth,bdyCaptionHeight+bdyCRight1Height,bdyWidth,bdyHeight-bdyCRight2Height);

    return true;
    }
    void CLjfDialogInfo::SetWindRect(HWND hWnd,CBitmap* pBitmapWnd,CLjfDialogPrivateInfo *_p)
    {
    GetWindowRect(hWnd,&_p->rWnd);//整个窗口的相对于屏幕的矩形

    int iWndWidth=_p->rWnd.right-_p->rWnd.left;
    int iWndHeight=_p->rWnd.bottom-_p->rWnd.top;

    int iEWidth = iWndWidth-bdyWidth;
    int iEHeight = iWndHeight - bdyHeight;

    //在窗体图片上的相对位置
    SetRect(&_p->rwndbtnMin ,bdyWidth-btnRightspace-3*btnWidth-2*btnInspace,btnTopspace,bdyWidth-btnRightspace-2*btnWidth-2*btnInspace,btnTopspace+btnHeight);
    SetRect(&_p->rwndbtnMax ,bdyWidth-btnRightspace-2*btnWidth-btnInspace ,btnTopspace,bdyWidth-btnRightspace-btnWidth-btnInspace,btnTopspace+btnHeight);
    SetRect(&_p->rwndbtnClose,bdyWidth-btnRightspace-btnWidth,btnTopspace,bdyWidth-btnRightspace,btnTopspace+btnHeight);

    //窗口实例上的位置
    OffsetRect(&_p->rwndbtnClose,iEWidth,0);
    OffsetRect(&_p->rwndbtnMax,iEWidth,0);
    OffsetRect(&_p->rwndbtnMin,iEWidth,0);

    _p->rwndC11=bdyrC11;
    _p->rwndC12=bdyrC12;
    _p->rwndC13=bdyrC13;

    _p->rwndC21=bdyrC21;
    _p->rwndC22=bdyrC22;
    _p->rwndC23=bdyrC23;

    _p->rwndC31=bdyrC31;
    _p->rwndC32=bdyrC32;
    _p->rwndC33=bdyrC33;

    _p->rwndC41=bdyrC41;
    _p->rwndC42=bdyrC42;
    _p->rwndC43=bdyrC43;

    OffsetRect(&_p->rwndC11,0,0);
    OffsetRect(&_p->rwndC12,iEWidth,0);
    _p->rwndC13.right+=iEWidth;

    OffsetRect(&_p->rwndC21,0,iEHeight);
    OffsetRect(&_p->rwndC22,iEWidth,iEHeight);
    OffsetRect(&_p->rwndC23,0,iEHeight);
    _p->rwndC23.right+=iEWidth;

    OffsetRect(&_p->rwndC31,0,0);
    OffsetRect(&_p->rwndC32,0,iEHeight);
    _p->rwndC33.bottom+=iEHeight;

    OffsetRect(&_p->rwndC41,iEWidth,0);
    OffsetRect(&_p->rwndC42,iEWidth,iEHeight);
    OffsetRect(&_p->rwndC43,iEWidth,0);
    _p->rwndC43.bottom+=iEHeight;

    SetRect(&_p->rwndCaption,capLeftspace,capTopspace,_p->rwndbtnMin.left-5,bdyCaptionHeight);
    }
    void CLjfDialogInfo::SetLjfWindowRgn(HWND hWnd,CLjfDialogPrivateInfo *_p)
    {
    CRgn rgnWnd;
    rgnWnd.CreateRectRgn(0,0,_p->rWnd.right-_p->rWnd.left,_p->rWnd.bottom-_p->rWnd.top);
    CRgn rgnTran;rgnTran.CreateRectRgn(0,0,0,0);rgnTran.CopyRgn(&rgnBmpTran);

    int iEWidth = _p->rWnd.right-_p->rWnd.left-bdyWidth;
    int iEHeight = _p->rWnd.bottom-_p->rWnd.top - bdyHeight;

    CRgn rgnTopLeft;
    rgnTopLeft.CreateRectRgn(bdyrC11.left,bdyrC11.top,bdyrC11.right,bdyrC11.bottom);
    rgnTopLeft.CombineRgn(&rgnTopLeft,&rgnTran,RGN_AND);

    CRgn rgnTopRight;
    rgnTopRight.CreateRectRgn(bdyrC12.left,bdyrC12.top,bdyrC12.right,bdyrC12.bottom);
    rgnTopRight.CombineRgn(&rgnTopRight,&rgnTran,RGN_AND);
    rgnTopRight.OffsetRgn(iEWidth,0);

    CRgn rgnBottomLeft;
    rgnBottomLeft.CreateRectRgn(bdyrC32.left,bdyrC32.top,bdyrC32.right,bdyrC32.bottom);
    rgnBottomLeft.CombineRgn(&rgnBottomLeft,&rgnTran,RGN_AND);
    rgnBottomLeft.OffsetRgn(0,iEHeight);

    CRgn rgnBottomRight;
    rgnBottomRight.CreateRectRgn(bdyrC42.left,bdyrC42.top,bdyrC42.right,bdyrC42.bottom);
    rgnBottomRight.CombineRgn(&rgnBottomRight,&rgnTran,RGN_AND);
    rgnBottomRight.OffsetRgn(iEWidth,iEHeight);

    rgnTran.DeleteObject();rgnTran.CreateRectRgn(0,0,0,0);
    rgnTran.CombineRgn(&rgnTran,&rgnTopLeft,RGN_OR);
    rgnTran.CombineRgn(&rgnTran,&rgnTopRight,RGN_OR);
    rgnTran.CombineRgn(&rgnTran,&rgnBottomLeft,RGN_OR);
    rgnTran.CombineRgn(&rgnTran,&rgnBottomRight,RGN_OR);

    rgnWnd.CombineRgn(&rgnWnd,&rgnTran,RGN_DIFF);
    SetWindowRgn(hWnd,rgnWnd,true);
    }
    void CLjfDialogInfo::PreparBitmapTranRgn(CBitmap* pBitmap)
    {
    CDC dcImage;dcImage.CreateCompatibleDC (NULL);dcImage.SelectObject (pBitmap);
    COLORREF clTransparent=dcImage.GetPixel(0, 0);//第一行第一列的像素为透明参考色。
    CRect r(0,0,bdyWidth,bdyHeight);

    CRgn rgnTra;rgnTra.CreateRectRgn(0,0,0,0);
    for (int y=r.top; y<=r.bottom; y++)//遍历r所在的行
    {
       if (y<=bdyrC11.bottom || y>=max(bdyrC32.top,bdyrC42.top))
       {
        for (int x=r.left; x<r.right; x++)//遍历r所在的列
        {
         if (x<=bdyrC11.right || x>=bdyrC12.left)
         {
          if (dcImage.GetPixel(x, y) == clTransparent)//透明
          {
           CRgn rgnAdd;
           rgnAdd.CreateRectRgn (r.left+x,r.top+y, r.left+x+1, r.top+y+1);
           rgnTra.CombineRgn (&rgnTra, &rgnAdd, RGN_OR);
           rgnAdd.DeleteObject();
          }
         }
        }
       }
    }
    rgnBmpTran.DeleteObject();
    rgnBmpTran.CreateRectRgn(0,0,0,0);
    rgnBmpTran.CopyRgn(&rgnTra);
    }

    ljfIni.h:

    class CLjfIni {
    public:
    CLjfIni(CString filename);
    CString GetString(CString Section,CString Key,CString sDefault);
    bool SetString(CString Section,CString Key,CString sValue);
    int GetInt(CString Section,CString Key,int iDefault);
    bool SetInt(CString Section,CString Key,int iValue);
    private:
    CString m_sFileName;
    bool GetFilePath(char * c);
    };

    #include "stdafx.h"
    #include "ljfIni.h"

    CLjfIni::CLjfIni(CString filename){
    m_sFileName=filename;
    }
    CString CLjfIni::GetString(CString Section,CString Key,CString sDefault){
    CString sReturn;
    try{
       LPTSTR lpszm_sFilePath = new TCHAR[MAX_PATH];
       GetFilePath(lpszm_sFilePath);
       GetPrivateProfileString(Section,Key,sDefault,
        sReturn.GetBuffer(MAX_PATH),MAX_PATH,lpszm_sFilePath);
    }
    catch (...) {
       sReturn="error";
    }
    return sReturn;
    }
    bool CLjfIni::SetString(CString Section,CString Key,CString sValue){
    LPTSTR lpszm_sFilePath = new TCHAR[MAX_PATH];
    GetFilePath(lpszm_sFilePath);
    BOOL bResult=WritePrivateProfileString(Section,Key,sValue,lpszm_sFilePath);
    if (bResult == FALSE) return false;
    return true;
    }
    int CLjfIni::GetInt(CString Section,CString Key,int iDefault){
    int iReturn;
    try{
       LPTSTR lpszm_sFilePath = new TCHAR[MAX_PATH];
       GetFilePath(lpszm_sFilePath);
       iReturn=GetPrivateProfileInt(Section,Key,(INT)iDefault,lpszm_sFilePath);
    }
    catch (...) {
       iReturn=-1;
    }
    return iReturn;
    }
    bool CLjfIni::SetInt(CString Section,CString Key,int iValue){
    CString siValue;
    siValue.Format("%d",iValue);
    return SetString(Section,Key,siValue);
    }
    bool CLjfIni::GetFilePath(char * c)
    {
    char pBuf[MAX_PATH];GetModuleFileName(NULL, pBuf, MAX_PATH);
    (_tcsrchr(pBuf, _T('\\')))[1] = 0;
    sprintf(c,"%s\\%s",pBuf,m_sFileName);
    return true;
    }

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  • 原文地址:https://www.cnblogs.com/superanyi/p/1997161.html
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