X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/83624f79609f0d5e240c1f7d77d044bfff9702fc..7b2d175c4724a87ffdd103f14d03fb8d5724f6a8:/src/gtk/timer.cpp

diff --git a/src/gtk/timer.cpp b/src/gtk/timer.cpp
index 36aada6e6f..7bb0317952 100644
--- a/src/gtk/timer.cpp
+++ b/src/gtk/timer.cpp
@@ -1,45 +1,58 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        timer.cpp
-// Purpose:
+// Name:        gtk/timer.cpp
+// Purpose:     wxTimer implementation
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#ifdef __GNUG__
-#pragma implementation "timer.h"
-#endif
+#if wxUSE_TIMER
 
 #include "wx/timer.h"
 
-#include "gtk/gtk.h"
+#include <gtk/gtk.h>
 
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 // wxTimer
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 
-IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxEvtHandler)
 
-gint timeout_callback( gpointer data )
+extern "C" {
+static gboolean timeout_callback(gpointer data)
 {
     wxTimer *timer = (wxTimer*)data;
-    timer->Notify();
 
-    if (timer->OneShot())
+    // Don't change the order of anything in this callback!
+
+    if (timer->IsOneShot())
     {
+        // This sets m_tag to -1
         timer->Stop();
     }
 
-    return TRUE;
+    // When getting called from GDK's timer handler we
+    // are no longer within GDK's grab on the GUI
+    // thread so we must lock it here ourselves.
+    gdk_threads_enter();
+
+    timer->Notify();
+
+    // Release lock again.
+    gdk_threads_leave();
+
+    return !timer->IsOneShot();
+}
 }
 
-wxTimer::wxTimer()
+void wxTimer::Init()
 {
-    m_tag = -1;
-    m_time = 1000;
-    m_oneShot = FALSE;
+    m_sourceId = 0;
+    m_milli = 1000;
 }
 
 wxTimer::~wxTimer()
@@ -49,24 +62,24 @@ wxTimer::~wxTimer()
 
 bool wxTimer::Start( int millisecs, bool oneShot )
 {
-    if (millisecs != -1)
-    {
-        m_time = millisecs;
-    }
+    (void)wxTimerBase::Start(millisecs, oneShot);
 
-    m_oneShot = oneShot;
+    if (m_sourceId != 0)
+        g_source_remove(m_sourceId);
 
-    m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
+    m_sourceId = g_timeout_add(m_milli, timeout_callback, this);
 
-    return TRUE;
+    return true;
 }
 
 void wxTimer::Stop()
 {
-    if (m_tag != -1)
+    if (m_sourceId != 0)
     {
-        gtk_timeout_remove( m_tag );
-        m_tag = -1;
+        g_source_remove(m_sourceId);
+        m_sourceId = 0;
     }
 }
 
+#endif // wxUSE_TIMER
+