src/common/timercmn.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        common/timercmn.cpp
// Purpose:     wxTimerBase implementation
// Author:      Julian Smart, Guillermo Rodriguez, Vadim Zeitlin
// Modified by: VZ: extracted all non-wxTimer stuff in stopwatch.cpp (20.06.03)
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
//              (c) 1999 Guillermo Rodriguez <guille@iies.es>
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// wxWin headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_TIMER

#ifndef WX_PRECOMP
    #include "wx/timer.h"
#endif

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent)

// ============================================================================
// wxTimerBase implementation
// ============================================================================

wxTimerBase::~wxTimerBase()
{
    // this destructor is required for Darwin
}

void wxTimerBase::Notify()
{
    // the base class version generates an event if it has owner - which it
    // should because otherwise nobody can process timer events
    wxCHECK_RET( m_owner, _T("wxTimer::Notify() should be overridden.") );

    wxTimerEvent event(m_idTimer, m_milli);
    event.SetEventObject(this);
    (void)m_owner->ProcessEvent(event);
}

bool wxTimerBase::Start(int milliseconds, bool oneShot)
{
    // under MSW timers only work when they're started from the main thread so
    // let the caller know about it
#if wxUSE_THREADS
    wxASSERT_MSG( wxThread::IsMain(),
                  _T("timer can only be started from the main thread") );
#endif // wxUSE_THREADS

    if ( IsRunning() )
    {
        // not stopping the already running timer might work for some
        // platforms (no problems under MSW) but leads to mysterious crashes
        // on the others (GTK), so to be on the safe side do it here
        Stop();
    }

    if ( milliseconds != -1 )
    {
        m_milli = milliseconds;
    }

    m_oneShot = oneShot;

    return true;
}

#endif // wxUSE_TIMER
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: common/timercmn.cpp
	3	// Purpose: wxTimerBase implementation
	4	// Author: Julian Smart, Guillermo Rodriguez, Vadim Zeitlin
	5	// Modified by: VZ: extracted all non-wxTimer stuff in stopwatch.cpp (20.06.03)
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// (c) 1999 Guillermo Rodriguez <guille@iies.es>
	10	// Licence: wxWindows licence
	11	/////////////////////////////////////////////////////////////////////////////
	12
	13	// ============================================================================
	14	// declarations
	15	// ============================================================================
	16
	17	// ----------------------------------------------------------------------------
	18	// wxWin headers
	19	// ----------------------------------------------------------------------------
	20
	21	// For compilers that support precompilation, includes "wx.h".
	22	#include "wx/wxprec.h"
	23
	24	#ifdef __BORLANDC__
	25	#pragma hdrstop
	26	#endif
	27
	28	#if wxUSE_TIMER
	29
	30	#ifndef WX_PRECOMP
	31	#include "wx/timer.h"
	32	#endif
	33
	34	// ----------------------------------------------------------------------------
	35	// wxWin macros
	36	// ----------------------------------------------------------------------------
	37
	38	IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent)
	39
	40	// ============================================================================
	41	// wxTimerBase implementation
	42	// ============================================================================
	43
	44	wxTimerBase::~wxTimerBase()
	45	{
	46	// this destructor is required for Darwin
	47	}
	48
	49	void wxTimerBase::Notify()
	50	{
	51	// the base class version generates an event if it has owner - which it
	52	// should because otherwise nobody can process timer events
	53	wxCHECK_RET( m_owner, _T("wxTimer::Notify() should be overridden.") );
	54
	55	wxTimerEvent event(m_idTimer, m_milli);
	56	event.SetEventObject(this);
	57	(void)m_owner->ProcessEvent(event);
	58	}
	59
	60	bool wxTimerBase::Start(int milliseconds, bool oneShot)
	61	{
	62	// under MSW timers only work when they're started from the main thread so
	63	// let the caller know about it
	64	#if wxUSE_THREADS
	65	wxASSERT_MSG( wxThread::IsMain(),
	66	_T("timer can only be started from the main thread") );
	67	#endif // wxUSE_THREADS
	68
	69	if ( IsRunning() )
	70	{
	71	// not stopping the already running timer might work for some
	72	// platforms (no problems under MSW) but leads to mysterious crashes
	73	// on the others (GTK), so to be on the safe side do it here
	74	Stop();
	75	}
	76
	77	if ( milliseconds != -1 )
	78	{
	79	m_milli = milliseconds;
	80	}
	81
	82	m_oneShot = oneShot;
	83
	84	return true;
	85	}
	86
	87	#endif // wxUSE_TIMER
	88