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   // Process events starting with the window with the focus, if any.
  35   wxWindow* focusWin = wxFindFocusDescendant(this);
  36
  37   if ( bar != NULL ) {
  38     int nCount = bar->GetMenuCount();
  39     for (int n = 0; n < nCount; n++)
  40       DoMenuUpdates(bar->GetMenu(n), focusWin);
  41   }
  42 }
  43
  44 // update a menu and all submenus recursively
  45 void wxFrame::DoMenuUpdates(wxMenu* menu, wxWindow* focusWin)
  46 {
  47   wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler();
  48   wxNode* node = menu->GetItems().First();
  49   while (node)
  50   {
  51     wxMenuItem* item = (wxMenuItem*) node->Data();
  52     if ( !item->IsSeparator() )
  53     {
  54       wxWindowID id = item->GetId();
  55       wxUpdateUIEvent event(id);
  56       event.SetEventObject( this );
  57
  58       if (evtHandler->ProcessEvent(event))
  59       {
  60         if (event.GetSetText())
  61           menu->SetLabel(id, event.GetText());
  62         if (event.GetSetChecked())
  63           menu->Check(id, event.GetChecked());
  64         if (event.GetSetEnabled())
  65           menu->Enable(id, event.GetEnabled());
  66       }
  67
  68       if (item->GetSubMenu())
  69         DoMenuUpdates(item->GetSubMenu(), focusWin);
  70     }
  71     node = node->Next();
  72   }
  73 }