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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/timer.cpp
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// Purpose: wxTimer implementation
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// Author: Robert Roebling
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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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/gtk/private/timer.h"
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#include "wx/app.h"
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#include <gtk/gtk.h>
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// ----------------------------------------------------------------------------
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// wxTimerImpl
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// ----------------------------------------------------------------------------
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extern "C" {
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static gboolean timeout_callback(gpointer data)
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{
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wxGTKTimerImpl *timer = (wxGTKTimerImpl*)data;
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const bool keepGoing = !timer->IsOneShot();
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if ( !keepGoing )
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timer->Stop();
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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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wxApp* app = wxTheApp;
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if (app)
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app->WakeUpIdle();
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return keepGoing;
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}
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} // extern "C"
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bool wxGTKTimerImpl::Start(int millisecs, bool oneShot)
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{
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if ( !wxTimerImpl::Start(millisecs, oneShot) )
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return false;
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wxASSERT_MSG( !m_sourceId, wxT("shouldn't be still running") );
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m_sourceId = g_timeout_add(m_milli, timeout_callback, this);
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return true;
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}
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void wxGTKTimerImpl::Stop()
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{
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wxASSERT_MSG( m_sourceId, wxT("should be running") );
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g_source_remove(m_sourceId);
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m_sourceId = 0;
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}
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#endif // wxUSE_TIMER
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