// Name: src/common/evtloopcmn.cpp
// Purpose: common wxEventLoop-related stuff
// Author: Vadim Zeitlin
-// Modified by:
// Created: 2006-01-12
-// RCS-ID: $Id$
-// Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright: (c) 2006, 2013 Vadim Zeitlin <vadim@wxwindows.org>
+// (c) 2013 Rob Bresalier
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/app.h"
#endif //WX_PRECOMP
+#include "wx/scopeguard.h"
+#include "wx/apptrait.h"
+#include "wx/private/eventloopsourcesmanager.h"
+
// ----------------------------------------------------------------------------
// wxEventLoopBase
// ----------------------------------------------------------------------------
wxEventLoopBase::wxEventLoopBase()
{
+ m_isInsideRun = false;
m_shouldExit = false;
m_isInsideYield = false;
wxTheApp->OnEventLoopEnter(loop);
}
+int wxEventLoopBase::Run()
+{
+ // event loops are not recursive, you need to create another loop!
+ wxCHECK_MSG( !IsInsideRun(), -1, wxT("can't reenter a message loop") );
+
+ // ProcessIdle() and ProcessEvents() below may throw so the code here should
+ // be exception-safe, hence we must use local objects for all actions we
+ // should undo
+ wxEventLoopActivator activate(this);
+
+ // We might be called again, after a previous call to ScheduleExit(), so
+ // reset this flag.
+ m_shouldExit = false;
+
+ // Set this variable to true for the duration of this method.
+ m_isInsideRun = true;
+ wxON_BLOCK_EXIT_SET(m_isInsideRun, false);
+
+ // Finally really run the loop.
+ return DoRun();
+}
+
+void wxEventLoopBase::Exit(int rc)
+{
+ wxCHECK_RET( IsRunning(), wxS("Use ScheduleExit() on not running loop") );
+
+ ScheduleExit(rc);
+}
+
void wxEventLoopBase::OnExit()
{
if (wxTheApp)
return YieldFor(wxEVT_CATEGORY_ALL);
}
+#if wxUSE_EVENTLOOP_SOURCE
+
+wxEventLoopSource*
+wxEventLoopBase::AddSourceForFD(int fd,
+ wxEventLoopSourceHandler *handler,
+ int flags)
+{
+#if wxUSE_CONSOLE_EVENTLOOP
+ // Delegate to the event loop sources manager defined by it.
+ wxEventLoopSourcesManagerBase* const
+ manager = wxApp::GetValidTraits().GetEventLoopSourcesManager();
+ wxCHECK_MSG( manager, NULL, wxS("Must have wxEventLoopSourcesManager") );
+
+ return manager->AddSourceForFD(fd, handler, flags);
+#else // !wxUSE_CONSOLE_EVENTLOOP
+ return NULL;
+#endif // wxUSE_CONSOLE_EVENTLOOP/!wxUSE_CONSOLE_EVENTLOOP
+}
+
+#endif // wxUSE_EVENTLOOP_SOURCE
+
// wxEventLoopManual is unused in the other ports
#if defined(__WINDOWS__) || defined(__WXDFB__) || ( ( defined(__UNIX__) && !defined(__WXOSX__) ) && wxUSE_BASE)
return Dispatch();
}
-int wxEventLoopManual::Run()
+int wxEventLoopManual::DoRun()
{
- // event loops are not recursive, you need to create another loop!
- wxCHECK_MSG( !IsRunning(), -1, wxT("can't reenter a message loop") );
-
- // ProcessIdle() and ProcessEvents() below may throw so the code here should
- // be exception-safe, hence we must use local objects for all actions we
- // should undo
- wxEventLoopActivator activate(this);
-
// we must ensure that OnExit() is called even if an exception is thrown
// from inside ProcessEvents() but we must call it from Exit() in normal
// situations because it is supposed to be called synchronously,
return m_exitcode;
}
-void wxEventLoopManual::Exit(int rc)
+void wxEventLoopManual::ScheduleExit(int rc)
{
- wxCHECK_RET( IsRunning(), wxT("can't call Exit() if not running") );
+ wxCHECK_RET( IsInsideRun(), wxT("can't call ScheduleExit() if not running") );
m_exitcode = rc;
m_shouldExit = true;