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
  21 // wxGTK is a special case because it doesn't use the generic wxMenuItem
  22 // class, but it's own (already defined in wx/menu.h) one
  23 #ifndef __WXGTK__
  24   #include "wx/menuitem.h"
  25 #endif //WXGTK
  26
  27 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
  28 {
  29   DoMenuUpdates();
  30 }
  31
  32 // update all menus
  33 void wxFrame::DoMenuUpdates()
  34 {
  35   wxMenuBar* bar = GetMenuBar();
  36   if ( bar != NULL ) {
  37     int nCount = bar->GetMenuCount();
  38     for (int n = 0; n < nCount; n++)
  39       DoMenuUpdates(bar->GetMenu(n));
  40   }
  41 }
  42
  43 // update a menu and all submenus recursively
  44 void wxFrame::DoMenuUpdates(wxMenu* menu)
  45 {
  46   wxNode* node = menu->GetItems().First();
  47   while (node)
  48   {
  49     wxMenuItem* item = (wxMenuItem*) node->Data();
  50     if ( !item->IsSeparator() )
  51     {
  52       wxWindowID id = item->GetId();
  53       wxUpdateUIEvent event(id);
  54       event.SetEventObject( this );
  55
  56       if (GetEventHandler()->ProcessEvent(event))
  57       {
  58         if (event.GetSetText())
  59           menu->SetLabel(id, event.GetText());
  60         if (event.GetSetChecked())
  61           menu->Check(id, event.GetChecked());
  62         if (event.GetSetEnabled())
  63           menu->Enable(id, event.GetEnabled());
  64       }
  65
  66       if (item->GetSubMenu())
  67         DoMenuUpdates(item->GetSubMenu());
  68     }
  69     node = node->Next();
  70   }
  71 }