Call wxApp::ProcessPendingEvents() from wxX11 event loop.

[wxWidgets.git] / src / gtk1 / evtloop.cpp

diff --git a/src/gtk1/evtloop.cpp b/src/gtk1/evtloop.cpp
index 4364bb312215fd316a80f3d6d39a058c36cbfef5..194e553bedcdd38af32df9f3a4f0c2fc7dfba17a 100644 (file)
--- a/src/gtk1/evtloop.cpp
+++ b/src/gtk1/evtloop.cpp
@@ -28,6 +28,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
 #include <gtk/gtk.h>
@@ -61,13 +62,13 @@ private:
 
 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") );
 
     wxEventLoopActivator activate(this);
 
@@ -86,7 +87,7 @@ int wxGUIEventLoop::Run()
 
 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);
 
@@ -111,9 +112,58 @@ 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") );
 
     gtk_main_iteration();
 
     return true;
 }
+
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
+
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+#if wxUSE_THREADS
+    if ( !wxThread::IsMain() )
+    {
+        // can't call gtk_main_iteration() from other threads like this
+        return true;
+    }
+#endif // wxUSE_THREADS
+
+    m_isInsideYield = true;
+    m_eventsToProcessInsideYield = eventsToProcess;
+
+    // We need to remove idle callbacks or the loop will
+    // never finish.
+    wxTheApp->RemoveIdleTag();
+
+#if wxUSE_LOG
+    // disable log flushing from here because a call to wxYield() shouldn't
+    // normally result in message boxes popping up &c
+    wxLog::Suspend();
+#endif
+
+    // TODO: implement event filtering using the eventsToProcess mask
+    while (gtk_events_pending())
+        gtk_main_iteration();
+
+    // 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). But we
+    // call ProcessIdle() only once since this is not meant for longish
+    // background jobs (controlled by wxIdleEvent::RequestMore() and the
+    // return value of Processidle().
+    ProcessIdle();
+
+#if wxUSE_LOG
+    // let the logs be flashed again
+    wxLog::Resume();
+#endif
+
+    m_isInsideYield = false;
+
+    return true;
+}