src/msw/basemsw.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/basemsw.cpp
   3 // Purpose:     misc stuff only used in console applications under MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.06.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28 #endif //WX_PRECOMP
  29
  30 #include "wx/apptrait.h"
  31 #include "wx/evtloop.h"
  32 #include "wx/msw/private/timer.h"
  33 // MBN: this is a workaround for MSVC 5: if it is not #included in
  34 // some wxBase file, wxRecursionGuard methods won't be exported from
  35 // wxBase.dll, and MSVC 5 will give linker errors
  36 #include "wx/recguard.h"
  37
  38 #include "wx/msw/private.h"
  39
  40 // ============================================================================
  41 // wxAppTraits implementation
  42 // ============================================================================
  43
  44 WXDWORD wxAppTraits::DoSimpleWaitForThread(WXHANDLE hThread)
  45 {
  46     return ::WaitForSingleObject((HANDLE)hThread, INFINITE);
  47 }
  48
  49 // ============================================================================
  50 // wxConsoleAppTraits implementation
  51 // ============================================================================
  52
  53 void wxConsoleAppTraits::AlwaysYield()
  54 {
  55     // we need to use special logic to deal with WM_PAINT: as this pseudo
  56     // message is generated automatically as long as there are invalidated
  57     // windows belonging to this thread, we'd never return if we waited here
  58     // until we have no more of them left. OTOH, this message is always the
  59     // last one in the queue, so we can safely return as soon as we detect it
  60     MSG msg;
  61     while ( ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
  62     {
  63         if ( msg.message == WM_PAINT )
  64             break;
  65     }
  66 }
  67
  68 void *wxConsoleAppTraits::BeforeChildWaitLoop()
  69 {
  70     // nothing to do here
  71     return NULL;
  72 }
  73
  74 void wxConsoleAppTraits::AfterChildWaitLoop(void * WXUNUSED(data))
  75 {
  76     // nothing to do here
  77 }
  78
  79 bool wxConsoleAppTraits::DoMessageFromThreadWait()
  80 {
  81     // nothing to process here
  82     return true;
  83 }
  84
  85 #if wxUSE_TIMER
  86
  87 wxTimerImpl *wxConsoleAppTraits::CreateTimerImpl(wxTimer *timer)
  88 {
  89     return new wxMSWTimerImpl(timer);
  90 }
  91
  92 #endif // wxUSE_TIMER
  93
  94 wxEventLoopBase *wxConsoleAppTraits::CreateEventLoop()
  95 {
  96 #if wxUSE_CONSOLE_EVENTLOOP
  97     return new wxEventLoop();
  98 #else // !wxUSE_CONSOLE_EVENTLOOP
  99     return NULL;
 100 #endif // wxUSE_CONSOLE_EVENTLOOP/!wxUSE_CONSOLE_EVENTLOOP
 101 }
 102
 103
 104 WXDWORD wxConsoleAppTraits::WaitForThread(WXHANDLE hThread)
 105 {
 106     return DoSimpleWaitForThread(hThread);
 107 }
 108