newmenu.cpp

一个很好用的串口侦听源代码

      DWORD MsgPos = ::GetMessagePos();
      if(MsgPos==CNewMenuHook::m_dwMsgPos)
      {
        bDrawSmalSelection = TRUE;
      }
      else
      {
        CNewMenuHook::m_dwMsgPos = MsgPos;
      }
    }
  }

  if(state & MF_SEPARATOR)
  {
    if(pMenuData->m_nTitleFlags&MFT_TITLE)
    {
      DrawTitle(lpDIS,bIsMenuBar);
    }
    else
    {
      rect = lpDIS->rcItem; 
      rect.left += 1;
      pDC->FillSolidRect(rect,ColorBack);
      pDC->DrawEdge(&rect,EDGE_ETCHED,BF_TOP);
    }
  }
  else
  {
    CRect rect2;
    BOOL standardflag=FALSE,selectedflag=FALSE,disableflag=FALSE;
    BOOL checkflag=FALSE;

    CBrush m_brSelect;
    int nIconNormal=-1,xoffset=-1;
    CImageList *bitmap=NULL;

    // set some colors and the font
    m_brSelect.CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));

    // draw the colored rectangle portion
    rect.CopyRect(&lpDIS->rcItem);
    rect.OffsetRect (1,1);
    rect2=rect=RectSel;

    // draw the up/down/focused/disabled state

    UINT state = lpDIS->itemState;
    CString strText;

    nIconNormal = pMenuData->m_nMenuIconNormal;
    xoffset = pMenuData->m_nxOffset;
    bitmap = pMenuData->m_pBitmap;
    strText = pMenuData->GetString();

    if( (state&ODS_CHECKED) && nIconNormal<0)
    {
      if(state&ODS_SELECTED && m_selectcheck>0)
        checkflag=TRUE;
      else if(m_unselectcheck>0) 
        checkflag=TRUE;
    }
    else if(nIconNormal != -1)
    {
      standardflag=TRUE;
      if(state&ODS_SELECTED && !(state&ODS_GRAYED))
        selectedflag=TRUE;
      else if(state&ODS_GRAYED)
        disableflag=TRUE;
    }

    if(bIsMenuBar)
    {
      //rect.InflateRect (1,0,0,0);
      rect.OffsetRect(-1,1);
      rect2=rect;
      pDC->FillSolidRect (rect,ColorBack);
    }
    else
    {
      // Draw the background
      pDC->FillSolidRect (rect,ColorBack);
    }
    // Draw the selection
    if(state&ODS_SELECTED)
    {
      // You need only Text highlight and thats what you get
      if(!bIsMenuBar)
      {
        if(checkflag||standardflag||selectedflag||disableflag||state&ODS_CHECKED)
        {
          rect2.SetRect(rect.left+m_iconX+4+GAP,rect.top,rect.right,rect.bottom);
        }
        pDC->FillRect(rect2,&m_brSelect);
      }
      else
      {
        pDC->Draw3dRect(rect ,GetSysColor(COLOR_3DSHADOW),GetSysColor(COLOR_3DHILIGHT));
      }
    }
    else if(bIsMenuBar && (state&ODS_HOTLIGHT) && !(state&ODS_INACTIVE))
    {
      pDC->Draw3dRect(rect,GetSysColor(COLOR_3DHILIGHT),GetSysColor(COLOR_3DSHADOW));
    }
    else if (bDrawSmalSelection)
    {
      pDC->DrawFocusRect(rect);
    }

    // Draw the Bitmap or checkmarks
    if(!bIsMenuBar)
    {
      CRect IconRect(rect.TopLeft(),CSize(m_iconX,m_iconY));
      IconRect.OffsetRect(GAP+1,1+((rect.Height()-m_iconY)>>2));

      CPoint ptImage = IconRect.TopLeft();
      IconRect.InflateRect(2,2);
      if(checkflag||standardflag||selectedflag||disableflag)
      {
        if(checkflag && checkmaps)
        {
          if(state&ODS_SELECTED)
            checkmaps->Draw(pDC,1,ptImage,ILD_TRANSPARENT);
          else 
            checkmaps->Draw(pDC,0,ptImage,ILD_TRANSPARENT);
        }
        else
        {
          // Need to draw the checked state
          if (IsNewShell())
          {
            if(state&ODS_CHECKED)
            {
              pDC->Draw3dRect(IconRect,GetSysColor(COLOR_3DSHADOW),GetSysColor(COLOR_3DHILIGHT));
            }
            else if (selectedflag)
            {
              pDC->Draw3dRect(IconRect,GetSysColor(COLOR_3DHILIGHT),GetSysColor(COLOR_3DSHADOW));
            }
          }

          if(state & ODS_DISABLED)
          {
            HICON hDrawIcon = bitmap->ExtractIcon(0);
            int cx,cy;
            ::ImageList_GetIconSize(*bitmap, &cx, &cy);
            CSize size(cx,cy);
          
            pDC->DrawState(ptImage, size, hDrawIcon, DSS_DISABLED, (HBRUSH)NULL);
          }
          else
          {
            bitmap->Draw(pDC,0,ptImage,ILD_TRANSPARENT);
          }
        }
      }
      if(pMenuData->m_nMenuIconNormal<0 && state&ODS_CHECKED && !checkflag)
      {
        MENUITEMINFO info;
        ZeroMemory(&info, sizeof(info));

        info.cbSize = sizeof(info);
        info.fMask = MIIM_CHECKMARKS;

        ::GetMenuItemInfo(HWndToHmenu(lpDIS->hwndItem),lpDIS->itemID,MF_BYCOMMAND, &info);

        if(state&ODS_CHECKED || info.hbmpUnchecked) 
        {
          // Rectangle for checkmarks
          CRect rect = IconRect;
          if (state&ODS_CHECKED)
            Draw3DCheckmark(pDC, IconRect,info.hbmpChecked,state);
          else
            Draw3DCheckmark(pDC, IconRect,info.hbmpUnchecked,state);
        }
      }
      else if (lpDIS->itemID>=SC_SIZE && lpDIS->itemID<=SC_HOTKEY)
      {
        DrawSpecial_OldStyle(pDC,IconRect,lpDIS->itemID,state);
      } 
    }

    if(!strText.IsEmpty())
    {
      COLORREF crText = GetSysColor(COLOR_MENUTEXT);

      if(bIsMenuBar)
      {
        rect.left += 6;
        if(lpDIS->itemState&ODS_INACTIVE) 
          crText = GetSysColor(COLOR_GRAYTEXT);
      }
      else
      {
        if(lpDIS->itemState&ODS_SELECTED) 
          crText = GetSysColor(COLOR_HIGHLIGHTTEXT);

        rect.left += m_iconX + 12;
      }
      CRect rectt(rect.left,rect.top-1,rect.right,rect.bottom-1);
      
      // Find tabs
      CString leftStr,rightStr;
      leftStr.Empty();rightStr.Empty();

      int tablocr=strText.ReverseFind(_T('\t'));
      if(tablocr!=-1)
      {
        rightStr=strText.Mid(tablocr+1);
        leftStr=strText.Left(strText.Find(_T('\t')));
        rectt.right-=m_iconX;
      }
      else
        leftStr=strText;

      int iOldMode = pDC->SetBkMode( TRANSPARENT);
      // Draw the text in the correct colour:
      UINT nFormat  = DT_LEFT|DT_SINGLELINE|DT_VCENTER;
      UINT nFormatr = DT_RIGHT|DT_SINGLELINE|DT_VCENTER;

      if(bIsMenuBar)
      {
        rectt = RectSel;
        if(state & ODS_SELECTED)
        {
          rectt.OffsetRect(1,1);
        } 
        nFormat = DT_CENTER|DT_SINGLELINE|DT_VCENTER;
      }

      if(!(lpDIS->itemState & ODS_GRAYED))
      {
        pDC->SetTextColor(crText);
        pDC->DrawText (leftStr,rectt,nFormat);
        if(tablocr!=-1)
          pDC->DrawText (rightStr,rectt,nFormatr);
      }
      else
      {
        // Draw the disabled text
        if(!(state & ODS_SELECTED))
        {
          CRect offset = rectt;
          offset.OffsetRect (1,1);

          pDC->SetTextColor(GetSysColor(COLOR_BTNHILIGHT));
          pDC->DrawText(leftStr,&offset, nFormat);
          if(tablocr!=-1) 
            pDC->DrawText (rightStr,&offset,nFormatr);

          pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
          pDC->DrawText(leftStr,rectt, nFormat);
          if(tablocr!=-1)
            pDC->DrawText(rightStr,rectt,nFormatr);
        }
        else
        {
          // And the standard Grey text:
          pDC->SetTextColor(ColorBack);
          pDC->DrawText(leftStr,rectt, nFormat);
          if(tablocr!=-1) 
            pDC->DrawText (rightStr,rectt,nFormatr);
        }
      }
      pDC->SetBkMode( iOldMode );
    }
    m_brSelect.DeleteObject();
  }
  m_brBackground.DeleteObject();
}

BOOL CNewMenu::IsMenuBar(HMENU hMenu)
{
  BOOL bIsMenuBar = ::IsMenu(hMenu);
  if(bIsMenuBar)
  {
    CNewMenu* pMenu = DYNAMIC_DOWNCAST(CNewMenu,CMenu::FromHandlePermanent(m_hParentMenu));
    if (pMenu!=NULL && pMenu->m_hParentMenu!=NULL)
    {
      bIsMenuBar = FALSE;
    }
  }
  return bIsMenuBar;
}

/*
==========================================================================
void CNewMenu::MeasureItem(LPMEASUREITEMSTRUCT)
---------------------------------------------

  Called by the framework when it wants to know what the width and height
  of our item will be.  To accomplish this we provide the width of the
  icon plus the width of the menu text, and then the height of the icon.
  
==========================================================================
*/
void CNewMenu::MeasureItem_OldStyle( LPMEASUREITEMSTRUCT lpMIS, BOOL bIsMenuBar )
{
  ASSERT(lpMIS->itemData);
  CNewMenuItemData* pMenuData = (CNewMenuItemData*)(lpMIS->itemData);

  UINT state = pMenuData->m_nFlags;
  if(state & MF_SEPARATOR)
  {
    if(pMenuData->m_nTitleFlags&MFT_TITLE)
    {
      // DC of the desktop
      CClientDC myDC(NULL);          

      CFont font;
      font.CreatePointFont(160,_T("Arial"));
      CFont* pOldFont = myDC.SelectObject (&font);
      LPCTSTR lpstrText = pMenuData->GetString();
      SIZE size;
      VERIFY(::GetTextExtentPoint32(myDC.m_hDC,lpstrText,(int)_tcslen(lpstrText),&size));
      // Select old font in
      myDC.SelectObject(pOldFont);  

      if(pMenuData->m_nTitleFlags&MFT_SIDE_TITLE)
      {
        lpMIS->itemWidth = size.cy*3/4 -GetSystemMetrics(SM_CXMENUCHECK);
        // Don't make the menu higher than menuitems in it
        lpMIS->itemHeight = 0;
        if(pMenuData->m_nTitleFlags&MFT_LINE)
        {
          lpMIS->itemWidth += 6;
        }
       }
      else
      {
        lpMIS->itemWidth = size.cx*3/4;
        lpMIS->itemHeight = size.cy*3/4;
        if(pMenuData->m_nTitleFlags&MFT_LINE)
        {
          lpMIS->itemHeight += 6;
        }
      }
    }
    else
    {
      lpMIS->itemHeight = 3;
    }
  }
  else
  {
    CFont m_fontMenu;
    LOGFONT m_lf;
    ZeroMemory ((PVOID) &m_lf,sizeof (LOGFONT));
    NONCLIENTMETRICS nm;
    nm.cbSize = sizeof (NONCLIENTMETRICS);
    VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS, nm.cbSize,&nm,0)); 
    m_lf =  nm.lfMenuFont;
    // Default selection?
    if(state&ODS_DEFAULT)
    {
      // Make the font bold
      m_lf.lfWeight = FW_BOLD;
    }

    m_fontMenu.CreateFontIndirect (&m_lf);
    
    // DC of the desktop
    CClientDC myDC(NULL);
    
    // Select menu font in...    
    CFont* pOldFont = myDC.SelectObject (&m_fontMenu);
    //Get pointer to text SK
    const LPCTSTR lpstrText = pMenuData->GetString();
    SIZE size;
    VERIFY(::GetTextExtentPoint32(myDC.m_hDC,lpstrText,(int)_tcslen(lpstrText),&size));
    // Select old font in
    myDC.SelectObject(pOldFont);  
  
    // Set width and height:
    if(bIsMenuBar)
    {
      lpMIS->itemWidth = size.cx ;
    }
    else
    {
      lpMIS->itemWidth = m_iconX + size.cx + m_iconX + GAP;
    }

    // Check the Key-Shortcut
    if(_tcsstr(lpstrText, _T("\t")) != NULL)
      lpMIS->itemWidth += 15;

    int temp = GetSystemMetrics(SM_CYMENU);
    lpMIS->itemHeight = (temp>(m_iconY+4)) ? temp : (m_iconY+4);
    
    m_fontMenu.DeleteObject();

    // set status bar as appropriate
    UINT nItemID = (lpMIS->itemID & 0xFFF0);
    // Special case for system menu
    if (nItemID>=SC_SIZE && nItemID<=SC_HOTKEY) 
    {
      BOOL bGetNext = FALSE;
      // search the actual menu item
      for (int j=0;j<m_MenuList.GetUpperBound();++j)
      {
        CNewMenuItemData* pTemp = m_MenuList[j];
        if(pTemp==pMenuData || bGetNext==TRUE)
        {
          bGetNext = TRUE;
          pTemp = m_MenuList[j+1];
          if(pTemp->m_nID)
          {
            lpMIS->itemData = (ULONG_PTR)pTemp;
            lpMIS->itemID = pTemp->m_nID; 
            UINT nOrgWidth = lpMIS->itemWidth;
            MeasureItem_OldStyle(lpMIS,bIsMenuBar);
            // Restore old values
            lpMIS->itemData = (ULONG_PTR)pMenuData;
            lpMIS->itemID = pMenuData->m_nID;
            lpMIS->itemWidth = max(lpMIS->itemWidth,nOrgWidth);
            break;
          }
        }
      }
      lpMIS->itemHeight = temp;
    } 
  }
}
void CNewMenu::MeasureItem_WinXP( LPMEASUREITEMSTRUCT lpMIS, BOOL bIsMenuBar )
{
  ASSERT(lpMIS->itemData);
  CNewMenuItemData* pMenuData = (CNewMenuItemData*)(lpMIS->itemData);

  UINT state = pMenuData->m_nFlags;
  if(state & MF_SEPARATOR)
  {
    if(pMenuData->m_nTitleFlags&MFT_TITLE)
    {
      // DC of the desktop
      CClientDC myDC(NULL);

      CFont font;
      font.CreatePointFont(160,_T("Arial"));
      CFont* pOldFont = myDC.SelectObject (&font);
      LPCTSTR lpstrText = pMenuData->GetString();
      SIZE size;
      VERIFY(::GetTextExtentPoint32(myDC.m_hDC,lpstrText,(int)_tcslen(lpstrText),&size));
      // Select old font in
      myDC.SelectObject(pOldFont);  

      if(pMenuData->m_nTitleFlags&MFT_SIDE_TITLE)
      {
        lpMIS->itemWidth = size.cy*3/4 -GetSystemMetrics(SM_CXMENUCHECK);
        // Don't make the menu higher than menuitems in it
        lpMIS->itemHeight = 0;
        if(pMenuData->m_nTitleFlags&MFT_LINE)
        {
          lpMIS->itemWidth += 6;
        }
      }
      else
      {
        lpMIS->itemWidth = size.cx*3/4;
        lpMIS->itemHeight = size.cy*3/4;
        if(pMenuData->m_nTitleFlags&MFT_LINE)
        {
          lpMIS->itemHeight += 6;
        }
      }
    }
    else
    {
      lpMIS->itemHeight = 3;
    }
  }
  else
  {
    CFont m_fontMenu;
    LOGFONT m_lf;
    ZeroMemory ((PVOID) &m_lf,sizeof (LOGFONT));
    NONCLIENTMETRICS nm;
    nm.cbSize = sizeof (NONCLIENTMETRICS);
    VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS, nm.cbSize,&nm,0)); 
    m_lf =  nm.lfMenuFont;
    // Default selection?
    if(state&ODS_DEFAULT)