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:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/frame.h"
  12
  13 void wxFrame::OnIdle(wxIdleEvent& event)
  14 {
  15   DoMenuUpdates();
  16 }
  17
  18 // update all menus
  19 void wxFrame::DoMenuUpdates()
  20 {
  21   wxMenuBar* bar = GetMenuBar();
  22   if ( bar != NULL ) {
  23     int nCount = bar->GetMenuCount();
  24     for (int n = 0; n < nCount; n++)
  25       DoMenuUpdates(bar->GetMenu(n));
  26   }
  27 }
  28
  29 // update a menu and all submenus recursively
  30 void wxFrame::DoMenuUpdates(wxMenu* menu)
  31 {
  32   wxNode* node = menu->GetItems().First();
  33   while (node)
  34   {
  35     wxMenuItem* item = (wxMenuItem*) node->Data();
  36     if ( !item->IsSeparator() )
  37     {
  38       wxWindowID id = item->GetId();
  39       wxUpdateUIEvent event(id);
  40       event.SetEventObject( this );
  41
  42       if (GetEventHandler()->ProcessEvent(event))
  43       {
  44         if (event.GetSetText())
  45           menu->SetLabel(id, event.GetText());
  46         if (event.GetSetChecked())
  47           menu->Check(id, event.GetChecked());
  48         if (event.GetSetEnabled())
  49           menu->Enable(id, event.GetEnabled());
  50       }
  51
  52       if (item->GetSubMenu())
  53         DoMenuUpdates(item->GetSubMenu());
  54     }
  55     node = node->Next();
  56   }
  57 }