extern bool g_isIdle;
-bool g_mainThreadLocked = FALSE;
+bool g_mainThreadLocked = FALSE;
+gint g_pendingTag = 0;
GtkWidget *wxRootWindow = (GtkWidget*) NULL;
/* forward declaration */
gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+gint wxapp_pending_callback( gpointer WXUNUSED(data) );
void wxapp_install_idle_handler();
#if wxUSE_THREADS
bool wxYield()
{
- bool has_idle = (wxTheApp->m_idleTag != 0);
+#ifdef __WXDEBUG__
+ static bool s_inYield = FALSE;
+
+ if (s_inYield)
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+
+ s_inYield = TRUE;
+#endif
- if (has_idle)
+ if (!g_isIdle)
{
- /* We need to temporarily remove idle callbacks or the loop will
- never finish. */
+ // We need to remove idle callbacks or the loop will
+ // never finish.
gtk_idle_remove( wxTheApp->m_idleTag );
wxTheApp->m_idleTag = 0;
+ g_isIdle = TRUE;
}
while (gtk_events_pending())
gtk_main_iteration();
- if (has_idle)
- {
- /* re-add idle handler (very low priority) */
- wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
- }
-
// disable log flushing from here because a call to wxYield() shouldn't
// normally result in message boxes popping up &c
wxLog::Suspend();
/* 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())
- ;
+ while (wxTheApp->ProcessIdle()) { }
// let the logs be flashed again
wxLog::Resume();
+#ifdef __WXDEBUG__
+ s_inYield = FALSE;
+#endif
+
return TRUE;
}
// local functions
//-----------------------------------------------------------------------------
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+gint wxapp_pending_callback( gpointer WXUNUSED(data) )
{
if (!wxTheApp) return TRUE;
+
+ // when getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves
+ gdk_threads_enter();
+
+ // Sent idle event to all who request them
+ wxTheApp->ProcessPendingEvents();
+
+ g_pendingTag = 0;
+
+ /* flush the logged messages if any */
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ // Release lock again
+ gdk_threads_leave();
+
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
+}
+gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+{
+ if (!wxTheApp) return TRUE;
+
// when getting called from GDK's time-out handler
// we are no longer within GDK's grab on the GUI
// thread so we must lock it here ourselves
gdk_threads_enter();
- /* we don't want any more idle events until the next event is
- sent to wxGTK */
- gtk_idle_remove( wxTheApp->m_idleTag );
- wxTheApp->m_idleTag = 0;
+ // Sent idle event to all who request them
+ while (wxTheApp->ProcessIdle()) { }
- /* indicate that we are now in idle mode - even so deeply
+ /* Indicate that we are now in idle mode - even so deeply
in idle mode that we don't get any idle events anymore.
this is like wxMSW where an idle event is sent only
once each time after the event queue has been completely
emptied */
g_isIdle = TRUE;
+ wxTheApp->m_idleTag = 0;
- /* sent idle event to all who request them */
- while (wxTheApp->ProcessIdle()) { }
-
- // release lock again
+ // Release lock again
gdk_threads_leave();
- return TRUE;
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
}
void wxapp_install_idle_handler()
{
wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+ g_isIdle = FALSE;
+
+ if (g_pendingTag == 0)
+ g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+
/* This routine gets called by all event handlers
indicating that the idle is over. It may also
get called from other thread for sending events
idle time). Very low priority. */
wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
-
- g_isIdle = FALSE;
}
#if wxUSE_THREADS
+static int g_threadUninstallLevel = 0;
+
void wxapp_install_thread_wakeup()
{
+ g_threadUninstallLevel++;
+
+ if (g_threadUninstallLevel != 1) return;
+
if (wxTheApp->m_wakeUpTimerTag) return;
wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
void wxapp_uninstall_thread_wakeup()
{
+ g_threadUninstallLevel--;
+
+ if (g_threadUninstallLevel != 0) return;
+
if (!wxTheApp->m_wakeUpTimerTag) return;
gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
m_topWindow = (wxWindow *) NULL;
m_exitOnFrameDelete = TRUE;
- m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+ m_idleTag = 0;
+ wxapp_install_idle_handler();
#if wxUSE_THREADS
m_wakeUpTimerTag = 0;
event.RequestMore(TRUE);
s_inOnIdle = FALSE;
-
- /* flush the logged messages if any */
-#if wxUSE_LOG
- wxLog::FlushActive();
-#endif // wxUSE_LOG
}
bool wxApp::SendIdleEvents()
// check for memory leaks
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- if (wxDebugContext::CountObjectsLeft() > 0)
+ if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
{
wxLogDebug(wxT("There were memory leaks.\n"));
wxDebugContext::Dump();
if ((gtk_major_version == 1) &&
(gtk_minor_version == 2) &&
(gtk_micro_version < 4))
- {
+ {
printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
}
else
projects / wxWidgets.git / blobdiff