src/common/appcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/appcmn.cpp
   3 // Purpose:     wxAppBase methods common to all platforms
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     18.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "appbase.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #if defined(__BORLANDC__)
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/list.h"
  34 #endif
  35
  36 #include "wx/thread.h"
  37 #include "wx/confbase.h"
  38
  39 // ===========================================================================
  40 // implementation
  41 // ===========================================================================
  42
  43 // ---------------------------------------------------------------------------
  44 // wxAppBase
  45 // ----------------------------------------------------------------------------
  46
  47 void wxAppBase::ProcessPendingEvents()
  48 {
  49     // ensure that we're the only thread to modify the pending events list
  50     wxENTER_CRIT_SECT( *wxPendingEventsLocker );
  51
  52     if ( !wxPendingEvents )
  53     {
  54         wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
  55         return;
  56     }
  57
  58     // iterate until the list becomes empty
  59     wxNode *node = wxPendingEvents->First();
  60     while (node)
  61     {
  62         wxEvtHandler *handler = (wxEvtHandler *)node->Data();
  63         delete node;
  64
  65         // In ProcessPendingEvents(), new handlers might be add
  66             // and we can safely leave the critical section here.
  67         wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
  68         handler->ProcessPendingEvents();
  69         wxENTER_CRIT_SECT( *wxPendingEventsLocker );
  70
  71         node = wxPendingEvents->First();
  72     }
  73
  74     wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
  75 }
  76
  77 int wxAppBase::OnExit()
  78 {
  79 #if wxUSE_CONFIG
  80     // delete the config object if any (don't use Get() here, but Set()
  81     // because Get() could create a new config object)
  82     delete wxConfigBase::Set((wxConfigBase *) NULL);
  83 #endif // wxUSE_CONFIG
  84
  85     return 0;
  86 }