nel/tools/logic/logic_editor_dll/TMenu.cpp

   1 // TMenu.cpp : implementation file
   2 //
   3
   4 #include "stdafx.h"
   5 #include "TMenu.h"
   6
   7 #ifdef _DEBUG
   8 #define new DEBUG_NEW
   9 #undef THIS_FILE
  10 static char THIS_FILE[] = __FILE__;
  11 #endif
  12
  13 /////////////////////////////////////////////////////////////////////////////
  14 // CTMenu
  15
  16 CTMenu::CTMenu()
  17 {
  18         HFONT hfont = CreatePopupMenuTitleFont();
  19         ASSERT(hfont);
  20         m_Font.Attach(hfont);
  21 }
  22
  23 CTMenu::~CTMenu()
  24 {
  25         m_Font.DeleteObject();
  26 }
  27
  28
  29
  30
  31 /////////////////////////////////////////////////////////////////////////////
  32 // CTMenu message handlers
  33
  34
  35 HFONT CTMenu::CreatePopupMenuTitleFont()
  36 {
  37         // start by getting the stock menu font
  38         HFONT hfont = (HFONT)GetStockObject(ANSI_VAR_FONT);
  39         if (hfont)
  40         {
  41             LOGFONT lf; //get the complete LOGFONT describing this font
  42             if (GetObject(hfont, sizeof(LOGFONT), &lf))
  43                 {
  44                         lf.lfWeight = FW_BOLD;  // set the weight to bold
  45                         // recreate this font with just the weight changed
  46                         return ::CreateFontIndirect(&lf);
  47             }
  48         }
  49         return NULL;
  50 }
  51
  52
  53 //
  54 // This function adds a title entry to a popup menu
  55 //
  56 void CTMenu::AddMenuTitle(LPCTSTR lpszTitle)
  57 {
  58         // insert an empty owner-draw item at top to serve as the title
  59         // note: item is not selectable (disabled) but not grayed
  60         m_strTitle=CString(lpszTitle);
  61         InsertMenu(0, MF_BYPOSITION | MF_OWNERDRAW | MF_STRING | MF_DISABLED, 0);
  62 }
  63
  64
  65
  66 void CTMenu::MeasureItem(LPMEASUREITEMSTRUCT mi)
  67 {
  68         // get the screen dc to use for retrieving size information
  69         CDC dc;
  70         dc.Attach(::GetDC(NULL));
  71         // select the title font
  72         HFONT hfontOld = (HFONT)SelectObject(dc.m_hDC, (HFONT)m_Font);
  73         // compute the size of the title
  74         CSize size = dc.GetTextExtent(m_strTitle);
  75         // deselect the title font
  76         ::SelectObject(dc.m_hDC, hfontOld);
  77         // add in the left margin for the menu item
  78         size.cx += GetSystemMetrics(SM_CXMENUCHECK)+8;
  79
  80         //Return the width and height
  81         //+ include space for border
  82         const int nBorderSize = 2;
  83         mi->itemWidth = size.cx + nBorderSize;
  84         mi->itemHeight = size.cy + nBorderSize;
  85 }
  86
  87
  88 void CTMenu::DrawItem(LPDRAWITEMSTRUCT di)
  89 {
  90         //Draw the background and a sunken rect...
  91         COLORREF crOldBk = ::SetBkColor(di->hDC, ::GetSysColor(COLOR_INACTIVECAPTION));
  92         ::ExtTextOut(di->hDC, 0, 0, ETO_OPAQUE, &di->rcItem, NULL, 0, NULL);
  93         ::DrawEdge(di->hDC, &di->rcItem, BDR_SUNKENINNER, BF_RECT);
  94
  95         int modeOld = ::SetBkMode(di->hDC, TRANSPARENT);
  96         COLORREF crOld = ::SetTextColor(di->hDC, GetSysColor(COLOR_CAPTIONTEXT));
  97         // select font into the dc
  98         HFONT hfontOld = (HFONT)SelectObject(di->hDC, (HFONT)m_Font);
  99
 100         // add the menu margin offset
 101         di->rcItem.left += GetSystemMetrics(SM_CXMENUCHECK)+8;
 102         // draw the text left aligned and vertically centered
 103         ::DrawText(di->hDC, m_strTitle, -1, &di->rcItem, DT_SINGLELINE|DT_VCENTER|DT_LEFT);
 104
 105         //Restore font and colors...
 106         ::SelectObject(di->hDC, hfontOld);
 107         ::SetBkMode(di->hDC, modeOld);
 108         ::SetBkColor(di->hDC, crOldBk);
 109         ::SetTextColor(di->hDC, crOld);
 110 }