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   if ( bar != NULL ) {
  32     int nCount = bar->GetMenuCount();
  33     for (int n = 0; n < nCount; n++)
  34       DoMenuUpdates(bar->GetMenu(n));
  35   }
  36 }
  37
  38 // update a menu and all submenus recursively
  39 void wxFrame::DoMenuUpdates(wxMenu* menu)
  40 {
  41   wxNode* node = menu->GetItems().First();
  42   while (node)
  43   {
  44     wxMenuItem* item = (wxMenuItem*) node->Data();
  45     if ( !item->IsSeparator() )
  46     {
  47       wxWindowID id = item->GetId();
  48       wxUpdateUIEvent event(id);
  49       event.SetEventObject( this );
  50
  51       if (GetEventHandler()->ProcessEvent(event))
  52       {
  53         if (event.GetSetText())
  54           menu->SetLabel(id, event.GetText());
  55         if (event.GetSetChecked())
  56           menu->Check(id, event.GetChecked());
  57         if (event.GetSetEnabled())
  58           menu->Enable(id, event.GetEnabled());
  59       }
  60
  61       if (item->GetSubMenu())
  62         DoMenuUpdates(item->GetSubMenu());
  63     }
  64     node = node->Next();
  65   }
  66 }