Src/Win32/Widgets/Menu.cpp

   1 // Menu.cpp
   2 //
   3 /////////////////////////////////////////////////////////////////////////////
   4 //
   5 // Copyright (c) 2002 Iain Murray, Inference Group, Cavendish, Cambridge.
   6 //
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #include "WinCommon.h"
  10
  11 #include "Menu.h"
  12 #include "../resource.h"
  13
  14 // Track memory leaks on Windows to the line that new'd the memory
  15 #ifdef _WIN32
  16 #ifdef _DEBUG
  17 #define DEBUG_NEW new( _NORMAL_BLOCK, THIS_FILE, __LINE__ )
  18 #define new DEBUG_NEW
  19 #undef THIS_FILE
  20 static char THIS_FILE[] = __FILE__;
  21 #endif
  22 #endif
  23
  24 void CMenu::SetStatus(UINT Command, bool Grayed, bool Checked) {
  25   MenuOptions Options;
  26   Options.Grayed = Grayed;
  27   Options.Checked = Checked;
  28   m_Items[Command] = Options;
  29 }
  30
  31 bool CMenu::GetCheck(UINT Command) {
  32   return m_Items[Command].Checked;
  33 }
  34
  35 void CMenu::SortOut(HMENU Menu) {
  36   // Clipboard special case (not a saved option - depends on
  37   // current state of Windows's clipboard)
  38   if(IsClipboardFormatAvailable(CF_TEXT))
  39     SetStatus(ID_EDIT_PASTE, false, false);
  40   else
  41     SetStatus(ID_EDIT_PASTE, true, false);
  42
  43   int NumberItems = GetMenuItemCount(Menu);
  44
  45   for(int i = 0; i < NumberItems; i++) {
  46     UINT MenuItem = GetMenuItemID(Menu, i);
  47
  48     // If we don't know, do nothing
  49     if(m_Items.find(MenuItem) == m_Items.end())
  50       continue;
  51
  52     if(m_Items[MenuItem].Checked)
  53       CheckMenuItem(Menu, MenuItem, MF_CHECKED);
  54     else
  55       CheckMenuItem(Menu, MenuItem, MF_UNCHECKED);
  56
  57     if(m_Items[MenuItem].Grayed)
  58       EnableMenuItem(Menu, MenuItem, MF_GRAYED);
  59     else
  60       EnableMenuItem(Menu, MenuItem, MF_ENABLED);
  61   }
  62 }