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 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #include "wx/frame.h"
  19 #include "wx/menu.h"
  20 #include "wx/menuitem.h"
  21
  22 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
  23 {
  24     DoMenuUpdates();
  25 }
  26
  27 // update all menus
  28 void wxFrame::DoMenuUpdates()
  29 {
  30     wxMenuBar* bar = GetMenuBar();
  31
  32     if ( bar != NULL )
  33     {
  34         int nCount = bar->GetMenuCount();
  35         for (int n = 0; n < nCount; n++)
  36             DoMenuUpdates(bar->GetMenu(n), (wxWindow*) NULL);
  37     }
  38 }
  39
  40 // update a menu and all submenus recursively
  41 void wxFrame::DoMenuUpdates(wxMenu* menu, wxWindow* WXUNUSED(focusWin))
  42 {
  43   wxEvtHandler* evtHandler = GetEventHandler();
  44   wxNode* node = menu->GetItems().First();
  45   while (node)
  46   {
  47     wxMenuItem* item = (wxMenuItem*) node->Data();
  48     if ( !item->IsSeparator() )
  49     {
  50       wxWindowID id = item->GetId();
  51       wxUpdateUIEvent event(id);
  52       event.SetEventObject( this );
  53
  54       if (evtHandler->ProcessEvent(event))
  55       {
  56         if (event.GetSetText())
  57           menu->SetLabel(id, event.GetText());
  58         if (event.GetSetChecked())
  59           menu->Check(id, event.GetChecked());
  60         if (event.GetSetEnabled())
  61           menu->Enable(id, event.GetEnabled());
  62       }
  63
  64       if (item->GetSubMenu())
  65         DoMenuUpdates(item->GetSubMenu(), (wxWindow*) NULL);
  66     }
  67     node = node->Next();
  68   }
  69 }