14f355c2b5
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22723 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
92 lines
1.8 KiB
C++
92 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: gtk/timer.cpp
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// Purpose: wxTimer implementation
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "timer.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_TIMER
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#include "wx/timer.h"
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#include "gtk/gtk.h"
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// ----------------------------------------------------------------------------
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// wxTimer
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// ----------------------------------------------------------------------------
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IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
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extern "C" gint timeout_callback( gpointer data )
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{
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wxTimer *timer = (wxTimer*)data;
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// Don't change the order of anything in this callback!
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if (timer->IsOneShot())
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{
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// This sets m_tag to -1
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timer->Stop();
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}
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// When getting called from GDK's timer handler we
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// are no longer within GDK's grab on the GUI
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// thread so we must lock it here ourselves.
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gdk_threads_enter();
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timer->Notify();
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// Release lock again.
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gdk_threads_leave();
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if (timer->IsOneShot())
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return FALSE;
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return TRUE;
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}
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void wxTimer::Init()
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{
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m_tag = -1;
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m_milli = 1000;
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}
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wxTimer::~wxTimer()
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{
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wxTimer::Stop();
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}
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bool wxTimer::Start( int millisecs, bool oneShot )
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{
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(void)wxTimerBase::Start(millisecs, oneShot);
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if (m_tag != -1)
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gtk_timeout_remove( m_tag );
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m_tag = gtk_timeout_add( m_milli, timeout_callback, this );
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return TRUE;
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}
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void wxTimer::Stop()
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{
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if (m_tag != -1)
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{
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gtk_timeout_remove( m_tag );
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m_tag = -1;
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}
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}
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#endif // wxUSE_TIMER
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