X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b46b1d59d6f69ad80dcf5955375578a6504d100a..74a8f67d96591cec101def2a7d47c64072aff7fd:/src/mgl/evtloop.cpp

diff --git a/src/mgl/evtloop.cpp b/src/mgl/evtloop.cpp
index ff5d985cce..5e89f6b8b8 100644
--- a/src/mgl/evtloop.cpp
+++ b/src/mgl/evtloop.cpp
@@ -4,7 +4,7 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
-// License:     wxWindows licence
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
@@ -73,9 +73,9 @@ void wxEventLoopImpl::Dispatch()
 {
     event_t evt;
 
-    // VS: The code bellow is equal to MGL's EVT_halt implementation, with
-    //     two things added: sleeping (busy waiting is stupid, lets make CPU's
-    //     life a bit easier) and timers updating
+    // VS: The code below is equal to MGL's EVT_halt implementation, with
+    //     two things added: sleeping (busy waiting is stupid, let's make CPU's
+    //     life a bit easier) and timers updating.
 
     // EVT_halt(&evt, EVT_EVERYEVT);
     for (;;)
@@ -109,13 +109,13 @@ bool wxEventLoopImpl::SendIdleEvent()
 
 wxGUIEventLoop::~wxGUIEventLoop()
 {
-    wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
+    wxASSERT_MSG( !m_impl, wxT("should have been deleted in Run()") );
 }
 
 int wxGUIEventLoop::Run()
 {
     // event loops are not recursive, you need to create another loop!
-    wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
+    wxCHECK_MSG( !IsRunning(), -1, wxT("can't reenter a message loop") );
 
     m_impl = new wxEventLoopImpl;
 
@@ -143,15 +143,14 @@ int wxGUIEventLoop::Run()
     OnExit();
 
     int exitcode = m_impl->GetExitCode();
-    delete m_impl;
-    m_impl = NULL;
+    wxDELETE(m_impl);
 
     return exitcode;
 }
 
 void wxGUIEventLoop::Exit(int rc)
 {
-    wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
+    wxCHECK_RET( IsRunning(), wxT("can't call Exit() if not running") );
 
     m_impl->SetExitCode(rc);
     m_impl->SetKeepLooping(false);
@@ -178,9 +177,45 @@ bool wxGUIEventLoop::Pending() const
 
 bool wxGUIEventLoop::Dispatch()
 {
-    wxCHECK_MSG( IsRunning(), false, _T("can't call Dispatch() if not running") );
+    wxCHECK_MSG( IsRunning(), false, wxT("can't call Dispatch() if not running") );
 
     m_impl->Dispatch();
     return m_impl->GetKeepLooping();
 }
 
+
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
+
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+#if wxUSE_THREADS
+    if ( !wxThread::IsMain() )
+    {
+        // can't process events from other threads, MGL is thread-unsafe
+        return true;
+    }
+#endif // wxUSE_THREADS
+
+    m_isInsideYield = true;
+    m_eventsToProcessInsideYield = eventsToProcess;
+
+    wxLog::Suspend();
+
+    // TODO: implement event filtering using the eventsToProcess mask
+
+    while (Pending())
+        Dispatch();
+
+    /* it's necessary to call ProcessIdle() to update the frames sizes which
+       might have been changed (it also will update other things set from
+       OnUpdateUI() which is a nice (and desired) side effect) */
+    while (wxTheApp->ProcessIdle()) { }
+
+    wxLog::Resume();
+
+    m_isInsideYield = false;
+
+    return true;
+}