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 #ifndef __WXGTK__
  23 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
  24 {
  25   DoMenuUpdates();
  26 }
  27 #endif
  28
  29 // update all menus
  30 void wxFrame::DoMenuUpdates()
  31 {
  32   wxMenuBar* bar = GetMenuBar();
  33
  34   if ( bar != NULL ) {
  35     int nCount = bar->GetMenuCount();
  36     for (int n = 0; n < nCount; n++)
  37       DoMenuUpdates(bar->GetMenu(n), (wxWindow*) NULL);
  38   }
  39 }
  40
  41 // update a menu and all submenus recursively
  42 void wxFrame::DoMenuUpdates(wxMenu* menu, wxWindow* WXUNUSED(focusWin))
  43 {
  44   wxEvtHandler* evtHandler = GetEventHandler();
  45   wxNode* node = menu->GetItems().First();
  46   while (node)
  47   {
  48     wxMenuItem* item = (wxMenuItem*) node->Data();
  49     if ( !item->IsSeparator() )
  50     {
  51       wxWindowID id = item->GetId();
  52       wxUpdateUIEvent event(id);
  53       event.SetEventObject( this );
  54
  55       if (evtHandler->ProcessEvent(event))
  56       {
  57         if (event.GetSetText())
  58           menu->SetLabel(id, event.GetText());
  59         if (event.GetSetChecked())
  60           menu->Check(id, event.GetChecked());
  61         if (event.GetSetEnabled())
  62           menu->Enable(id, event.GetEnabled());
  63       }
  64
  65       if (item->GetSubMenu())
  66         DoMenuUpdates(item->GetSubMenu(), (wxWindow*) NULL);
  67     }
  68     node = node->Next();
  69   }
  70 }