73974df1f9
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3829 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
155 lines
3.5 KiB
C++
155 lines
3.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: timer.cpp
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// Purpose: wxTimer implementation
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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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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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/window.h"
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#include "wx/msw/private.h"
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#ifndef WX_PRECOMP
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#include "wx/setup.h"
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#include "wx/list.h"
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#include "wx/event.h"
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#include "wx/app.h"
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#endif
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/timer.h"
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#include <time.h>
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#include <sys/types.h>
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#if !defined(__SC__) && !defined(__GNUWIN32__) && !defined(__MWERKS__)
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#include <sys/timeb.h>
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#endif
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// ----------------------------------------------------------------------------
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// private functions
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// ----------------------------------------------------------------------------
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wxList wxTimerList(wxKEY_INTEGER);
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UINT WINAPI _EXPORT wxTimerProc(HWND hwnd, WORD, int idTimer, DWORD);
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// ----------------------------------------------------------------------------
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// macros
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// ----------------------------------------------------------------------------
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#ifdef __WIN32__
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#define _EXPORT
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#else
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#define _EXPORT _export
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#endif
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
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#endif
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxTimer class
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// ----------------------------------------------------------------------------
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wxTimer::wxTimer()
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{
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milli = 0;
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lastMilli = -1;
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id = 0;
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}
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wxTimer::~wxTimer()
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{
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Stop();
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wxTimerList.DeleteObject(this);
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}
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bool wxTimer::Start(int milliseconds, bool mode)
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{
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oneShot = mode;
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if (milliseconds < 0)
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milliseconds = lastMilli;
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wxCHECK_MSG( milliseconds > 0, FALSE, T("invalid value for timer timeour") );
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lastMilli = milli = milliseconds;
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wxTimerList.DeleteObject(this);
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TIMERPROC wxTimerProcInst = (TIMERPROC)
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MakeProcInstance((FARPROC)wxTimerProc, wxGetInstance());
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id = SetTimer(NULL, (UINT)(id ? id : 1),
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(UINT)milliseconds, wxTimerProcInst);
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if (id > 0)
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{
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wxTimerList.Append(id, this);
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return TRUE;
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}
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else
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{
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wxLogSysError(_("Couldn't create a timer"));
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return FALSE;
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}
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}
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void wxTimer::Stop()
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{
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if ( id )
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{
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KillTimer(NULL, (UINT)id);
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wxTimerList.DeleteObject(this);
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}
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id = 0;
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milli = 0;
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}
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// ----------------------------------------------------------------------------
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// private functions
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// ----------------------------------------------------------------------------
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void wxProcessTimer(wxTimer& timer)
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{
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// Avoid to process spurious timer events
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if ( timer.id == 0)
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return;
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if ( timer.oneShot )
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timer.Stop();
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timer.Notify();
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}
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UINT WINAPI _EXPORT wxTimerProc(HWND WXUNUSED(hwnd), WORD, int idTimer, DWORD)
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{
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wxNode *node = wxTimerList.Find((long)idTimer);
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wxCHECK_MSG( node, 0, T("bogus timer id in wxTimerProc") );
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wxProcessTimer(*(wxTimer *)node->Data());
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return 0;
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}
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