src/common/framecmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        framecmn.cpp
   3 // Purpose:     common (for all platforms) wxFrame functions
   4 // Author:      Julian Smart, Vadim Zeitlin
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 void wxFrame::OnIdle(wxIdleEvent& event)
  12 {
  13   DoMenuUpdates();
  14 }
  15
  16 // update all menus
  17 void wxFrame::DoMenuUpdates()
  18 {
  19   wxMenuBar* bar = GetMenuBar();
  20   if ( bar != NULL ) {
  21     int nCount = bar->GetMenuCount();
  22     for (int n = 0; n < nCount; n++)
  23       DoMenuUpdates(bar->GetMenu(n));
  24   }
  25 }
  26
  27 // update a menu and all submenus recursively
  28 void wxFrame::DoMenuUpdates(wxMenu* menu)
  29 {
  30   wxNode* node = menu->GetItems().First();
  31   while (node)
  32   {
  33     wxMenuItem* item = (wxMenuItem*) node->Data();
  34     if ( !item->IsSeparator() )
  35     {
  36       wxWindowID id = item->GetId();
  37       wxUpdateUIEvent event(id);
  38       event.SetEventObject( this );
  39
  40       if (GetEventHandler()->ProcessEvent(event))
  41       {
  42         if (event.GetSetText())
  43           menu->SetLabel(id, event.GetText());
  44         if (event.GetSetChecked())
  45           menu->Check(id, event.GetChecked());
  46         if (event.GetSetEnabled())
  47           menu->Enable(id, event.GetEnabled());
  48       }
  49
  50       if (item->GetSubMenu())
  51         DoMenuUpdates(item->GetSubMenu());
  52     }
  53     node = node->Next();
  54   }
  55 }