Fix for unsafe use of a global pointer for focus window: now checks at destruct

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

diff --git a/src/gtk1/timer.cpp b/src/gtk1/timer.cpp
index 36aada6e6fc9c92920245527a2b1ca33c5c45163..ab9e36893186bdcc635daa4600362efe117ef3be 100644 (file)
--- a/src/gtk1/timer.cpp
+++ b/src/gtk1/timer.cpp
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        timer.cpp
+// Name:        gtk/timer.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -22,41 +22,42 @@
 
 IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
 
-gint timeout_callback( gpointer data )
+static gint timeout_callback( gpointer data )
 {
     wxTimer *timer = (wxTimer*)data;
+
+    /* 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();
 
-    if (timer->OneShot())
-    {
-        timer->Stop();
-    }
+    /* release lock again */
+    gdk_threads_leave();
+
+    if ( timer->IsOneShot() )
+        return FALSE;
 
     return TRUE;
 }
 
-wxTimer::wxTimer()
+void wxTimer::Init()
 {
     m_tag = -1;
-    m_time = 1000;
-    m_oneShot = FALSE;
+    m_milli = 1000;
 }
 
 wxTimer::~wxTimer()
 {
-    Stop();
+    wxTimer::Stop();
 }
 
 bool wxTimer::Start( int millisecs, bool oneShot )
 {
-    if (millisecs != -1)
-    {
-        m_time = millisecs;
-    }
-
-    m_oneShot = oneShot;
+    (void)wxTimerBase::Start(millisecs, oneShot);
 
-    m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
+    m_tag = gtk_timeout_add( m_milli, timeout_callback, this );
 
     return TRUE;
 }