menuxp.cpp

次源码非本人编写不能商业 用于学习和交流 XP风格复活节彩蛋水印软件

    VERIFY (::GetMenuItemInfo (hMenu, uItem, fByPosition, &m_miInfo));

    if ( !(m_miInfo.fType & MFT_SEPARATOR) )
    {
        CMenuXP::m_sCaptions.Lookup (m_miInfo.wID, m_sCaption);
        CMenuXP::m_Images.Lookup (m_miInfo.wID, m_ImgDesc);
    }
}

///////////////////////////////////////////////////////////////////////////////
CMenuItem::~CMenuItem ()
{
}

///////////////////////////////////////////////////////////////////////////////
int CMenuItem::GetCaption (CString& sCaption) const
{
    ASSERT(m_miInfo.fMask & MIIM_TYPE);
    sCaption = m_sCaption;

    int nShortCutPos = sCaption.Find ('\t');

    if ( nShortCutPos == -1 )
    {
        return sCaption.GetLength();
    }
    sCaption = sCaption.Left (nShortCutPos);

    return nShortCutPos-1;
}

///////////////////////////////////////////////////////////////////////////////
int CMenuItem::GetShortCut (CString& sShortCut) const
{
    ASSERT(m_miInfo.fMask & MIIM_TYPE);
    CString sCaption = m_sCaption;

    int nShortCutPos = sCaption.Find ('\t');

    if ( nShortCutPos == -1 )
    {
        sShortCut = "";
        return 0;
    }
    int nLength = sCaption.GetLength()-nShortCutPos-1;

    sShortCut = sCaption.Right (nLength);

    return nLength;
}

///////////////////////////////////////////////////////////////////////////////
bool CMenuItem::GetSeparator () const
{
    ASSERT(m_miInfo.fMask & MIIM_TYPE);
    return (m_miInfo.fType & MFT_SEPARATOR) == MFT_SEPARATOR;
}

///////////////////////////////////////////////////////////////////////////////
bool CMenuItem::GetChecked () const
{
    ASSERT(m_miInfo.fMask & MIIM_STATE);
    return (m_miInfo.fState & MFS_CHECKED) == MFS_CHECKED;
}

///////////////////////////////////////////////////////////////////////////////
bool CMenuItem::GetDisabled () const
{
    ASSERT(m_miInfo.fMask & MIIM_STATE);
    return (m_miInfo.fState & MFS_GRAYED) == MFS_GRAYED;
}

///////////////////////////////////////////////////////////////////////////////
bool CMenuItem::GetDefault () const
{
    ASSERT(m_miInfo.fMask & MIIM_STATE);
    return (m_miInfo.fState & MFS_DEFAULT) == MFS_DEFAULT;
}

///////////////////////////////////////////////////////////////////////////////
HMENU CMenuItem::GetPopup () const
{
    ASSERT(m_miInfo.fMask & MIIM_SUBMENU);
    return m_miInfo.hSubMenu;
}

///////////////////////////////////////////////////////////////////////////////
UINT CMenuItem::GetID () const
{
    ASSERT(m_miInfo.fMask & MIIM_ID);
    return m_miInfo.wID;
}

///////////////////////////////////////////////////////////////////////////////
int CMenuItem::GetCaptionWidth (CDC* pDC) const
{
    if ( GetSeparator() )
    {
        return 0;
    }
    CString sCaption;
    int nLength = 0;

    if ( GetCaption (sCaption) > 0 )
    {
        int nPos = sCaption.Find ('&');
        CBoldDC bold (*pDC, GetDefault());

        if ( nPos >= 0 )
        {
            sCaption = sCaption.Left (nPos) + sCaption.Right (sCaption.GetLength()-nPos-1);
        }
        nLength = pDC->GetTextExtent (sCaption).cx;
    }
    return nLength;
}

///////////////////////////////////////////////////////////////////////////////
int CMenuItem::GetShortCutWidth (CDC* pDC) const
{
    if ( GetSeparator() )
    {
        return 0;
    }
    CString sShortCut;
    int nLength = 0;

    if ( GetShortCut (sShortCut) > 0 )
    {
        CBoldDC bold (*pDC, GetDefault());

        nLength = pDC->GetTextExtent (sShortCut).cx;
    }
    return nLength;
}

///////////////////////////////////////////////////////////////////////////////
int CMenuItem::GetHeight (CDC* pDC) const
{
    TEXTMETRIC tm;

    pDC->GetTextMetrics (&tm);
                     
    return GetSeparator() ? tm.tmHeight/2+2 : tm.tmHeight+4;
}

// From <winuser.h>
#define OBM_CHECK 32760

///////////////////////////////////////////////////////////////////////////////
void CMenuItem::Draw (CDC* pDC, LPCRECT pRect, bool bSelected) const
{
    COLORREF crBackImg = CLR_NONE;

    if ( bSelected )
    {
        COLORREF crHighLight = ::GetSysColor (COLOR_HIGHLIGHT);
        CPenDC pen (*pDC, crHighLight);
        CBrushDC brush (*pDC, crBackImg = GetDisabled() ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +73, 0) : HLS_TRANSFORM (crHighLight, +70, -57));

        pDC->Rectangle (pRect);
    }
    else
    {
        CRect rc (pRect);

        rc.right = IMGWIDTH+IMGPADDING;
        pDC->FillSolidRect (rc, crBackImg = HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +20, 0));
        rc.left = rc.right;
        rc.right = pRect->right;
        pDC->FillSolidRect (rc, HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +75, 0));
    }
    if ( GetSeparator() )
    {
        CPenDC pen (*pDC, HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -18, 0));

        pDC->MoveTo (pRect->left+IMGWIDTH+IMGPADDING+TEXTPADDING,  (pRect->top+pRect->bottom)/2);
        pDC->LineTo (pRect->right-1, (pRect->top+pRect->bottom)/2);
    }
    else
    {
        CRect rc (pRect);
        CString sCaption;

        if ( GetCaption (sCaption) > 0 )
        {
            pDC->SetTextColor (GetDisabled() ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -18, 0) : ::GetSysColor (COLOR_MENUTEXT));
            pDC->SetBkMode (TRANSPARENT);

            CBoldDC bold (*pDC, GetDefault());

            rc.left = IMGWIDTH+IMGPADDING+TEXTPADDING;
            pDC->DrawText (sCaption, rc, DT_SINGLELINE|DT_VCENTER|DT_LEFT);

            CString sShortCut;

            if ( GetShortCut (sShortCut) > 0 )
            {
                rc.right -= TEXTPADDING+4;
                pDC->DrawText (sShortCut, rc, DT_SINGLELINE|DT_VCENTER|DT_RIGHT);
            }
            if ( GetChecked() )
            {
                COLORREF crHighLight = ::GetSysColor (COLOR_HIGHLIGHT);
                CPenDC pen (*pDC, crHighLight);
                CBrushDC brush (*pDC, crBackImg = GetDisabled() ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +73, 0) :
                                                                  (bSelected ? HLS_TRANSFORM (crHighLight, +50, -50) : HLS_TRANSFORM (crHighLight, +70, -57)));

                pDC->Rectangle (CRect (pRect->left+1, pRect->top+1, pRect->left+20, pRect->bottom-1));
            }
            if ( m_ImgDesc.m_hImgList != NULL && m_ImgDesc.m_nIndex != -1 )
            {
                bool bOver = !GetDisabled() && bSelected;

                if ( GetDisabled() || (bSelected && !GetChecked()) )
                {
                    HICON hIcon = ImageList_ExtractIcon (NULL, m_ImgDesc.m_hImgList, m_ImgDesc.m_nIndex);
                    pDC->DrawState (CPoint (pRect->left + ( bOver ? 4 : 3 ), rc.top + ( bOver ? 4 : 3 )),
                                    CSize (IMGWIDTH, IMGHEIGHT), hIcon, DSS_MONO,
                                    CBrush (bOver ? HLS_TRANSFORM (::GetSysColor (COLOR_HIGHLIGHT), +50, -66) : HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -27, 0)));
                    DestroyIcon (hIcon);
                }
                if ( !GetDisabled() )
                {
                    ::ImageList_Draw (m_ImgDesc.m_hImgList, m_ImgDesc.m_nIndex, pDC->m_hDC,
                                      pRect->left+( (bSelected && !GetChecked()) ? 2 : 3 ), rc.top+( (bSelected && !GetChecked()) ? 2 : 3 ), ILD_TRANSPARENT);
                }
            }
            else if ( GetChecked() )
            {
                // Draw the check mark
                rc.left  = pRect->left+5;
                rc.right = rc.left + IMGWIDTH+IMGPADDING;
                pDC->SetBkColor (crBackImg);
                HBITMAP hBmp = LoadBitmap (NULL, MAKEINTRESOURCE(OBM_CHECK));
                pDC->DrawState (CPoint (rc.left,rc.top+3), CSize(rc.Size()), hBmp, DSS_NORMAL, (HBRUSH)NULL);
                DeleteObject (hBmp);
            }
        }
    }
}