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[wxWidgets.git] / src / mgl / evtloop.cpp

diff --git a/src/mgl/evtloop.cpp b/src/mgl/evtloop.cpp
index 076009f6d45c49a58c773e8734076f33a56bb40c..5e89f6b8b89aa0da588e887c5bdfd4da328db314 100644 (file)
--- 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
 ///////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
@@ -26,6 +26,8 @@
 #endif //WX_PRECOMP
 
 #include "wx/evtloop.h"
+
+#include "wx/generic/private/timer.h"
 #include "wx/mgl/private.h"
 
 // ----------------------------------------------------------------------------
@@ -71,17 +73,18 @@ 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 (;;)
     {
 #if wxUSE_TIMER
-        wxTimer::NotifyTimers();
-        MGL_wmUpdateDC(g_winMng);
+        wxGenericTimerImpl::NotifyTimers();
 #endif
+        MGL_wmUpdateDC(g_winMng);
+
         EVT_pollJoystick();
         if ( EVT_getNext(&evt, EVT_EVERYEVT) ) break;
         PM_sleep(10);
@@ -97,22 +100,22 @@ bool wxEventLoopImpl::SendIdleEvent()
 }
 
 // ============================================================================
-// wxEventLoop implementation
+// wxGUIEventLoop implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// wxEventLoop running and exiting
+// wxGUIEventLoop running and exiting
 // ----------------------------------------------------------------------------
 
-wxEventLoop::~wxEventLoop()
+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 wxEventLoop::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;
 
@@ -137,16 +140,17 @@ int wxEventLoop::Run()
         }
     }
 
+    OnExit();
+
     int exitcode = m_impl->GetExitCode();
-    delete m_impl;
-    m_impl = NULL;
+    wxDELETE(m_impl);
 
     return exitcode;
 }
 
-void wxEventLoop::Exit(int rc)
+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);
@@ -160,7 +164,7 @@ void wxEventLoop::Exit(int rc)
 // wxEventLoop message processing dispatching
 // ----------------------------------------------------------------------------
 
-bool wxEventLoop::Pending() const
+bool wxGUIEventLoop::Pending() const
 {
     // update the display here, so that wxYield refreshes display and
     // changes take effect immediately, not after emptying events queue:
@@ -171,10 +175,47 @@ bool wxEventLoop::Pending() const
     return (bool)(EVT_peekNext(&evt, EVT_EVERYEVT));
 }
 
-bool wxEventLoop::Dispatch()
+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;
+}