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     #include "wx/event.h"
  29 #endif //WX_PRECOMP
  30
  31 #include "wx/apptrait.h"
  32 #include "wx/evtloop.h"
  33 #include "wx/msw/private/timer.h"
  34 // MBN: this is a workaround for MSVC 5: if it is not #included in
  35 // some wxBase file, wxRecursionGuard methods won't be exported from
  36 // wxBase.dll, and MSVC 5 will give linker errors
  37 #include "wx/recguard.h"
  38
  39 #include "wx/crt.h"
  40 #include "wx/msw/private.h"
  41
  42 // ============================================================================
  43 // wxAppTraits implementation
  44 // ============================================================================
  45
  46 WXDWORD wxAppTraits::DoSimpleWaitForThread(WXHANDLE hThread)
  47 {
  48     return ::WaitForSingleObject((HANDLE)hThread, INFINITE);
  49 }
  50
  51 // ============================================================================
  52 // wxConsoleAppTraits implementation
  53 // ============================================================================
  54
  55 void wxConsoleAppTraits::AlwaysYield()
  56 {
  57     // we need to use special logic to deal with WM_PAINT: as this pseudo
  58     // message is generated automatically as long as there are invalidated
  59     // windows belonging to this thread, we'd never return if we waited here
  60     // until we have no more of them left. OTOH, this message is always the
  61     // last one in the queue, so we can safely return as soon as we detect it
  62     MSG msg;
  63     while ( ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
  64     {
  65         if ( msg.message == WM_PAINT )
  66             break;
  67     }
  68 }
  69
  70 void *wxConsoleAppTraits::BeforeChildWaitLoop()
  71 {
  72     // nothing to do here
  73     return NULL;
  74 }
  75
  76 void wxConsoleAppTraits::AfterChildWaitLoop(void * WXUNUSED(data))
  77 {
  78     // nothing to do here
  79 }
  80
  81 bool wxConsoleAppTraits::DoMessageFromThreadWait()
  82 {
  83     // nothing to process here
  84     return true;
  85 }
  86
  87 #if wxUSE_TIMER
  88
  89 wxTimerImpl *wxConsoleAppTraits::CreateTimerImpl(wxTimer *timer)
  90 {
  91     return new wxMSWTimerImpl(timer);
  92 }
  93
  94 #endif // wxUSE_TIMER
  95
  96 wxEventLoopBase *wxConsoleAppTraits::CreateEventLoop()
  97 {
  98 #if wxUSE_CONSOLE_EVENTLOOP
  99     return new wxEventLoop();
 100 #else // !wxUSE_CONSOLE_EVENTLOOP
 101     return NULL;
 102 #endif // wxUSE_CONSOLE_EVENTLOOP/!wxUSE_CONSOLE_EVENTLOOP
 103 }
 104
 105
 106 WXDWORD wxConsoleAppTraits::WaitForThread(WXHANDLE hThread)
 107 {
 108     return DoSimpleWaitForThread(hThread);
 109 }
 110
 111 bool wxConsoleAppTraits::WriteToStderr(const wxString& text)
 112 {
 113     return wxFprintf(stderr, "%s", text) != -1;
 114 }