62f17a1864
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15536 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
149 lines
3.4 KiB
C++
149 lines
3.4 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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#if wxUSE_TIMER
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#ifndef WX_PRECOMP
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#include "wx/setup.h"
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#include "wx/window.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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#include "wx/intl.h"
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#include "wx/log.h"
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#endif
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#include "wx/timer.h"
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#include "wx/msw/private.h"
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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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// should probably be in wx/msw/private.h
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#ifdef __WXMICROWIN__
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#define MakeProcInstance(proc, hinst) proc
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#endif
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IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
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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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void wxTimer::Init()
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{
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m_id = 0;
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}
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wxTimer::~wxTimer()
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{
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wxTimer::Stop();
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wxTimerList.DeleteObject(this);
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}
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bool wxTimer::Start(int milliseconds, bool oneShot)
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{
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(void)wxTimerBase::Start(milliseconds, oneShot);
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wxCHECK_MSG( m_milli > 0, FALSE, wxT("invalid value for timer timeour") );
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TIMERPROC wxTimerProcInst = (TIMERPROC)
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MakeProcInstance((FARPROC)wxTimerProc, wxGetInstance());
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m_id = ::SetTimer(NULL, (UINT)(m_id ? m_id : 1),
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(UINT)m_milli, wxTimerProcInst);
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if ( m_id > 0 )
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{
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wxTimerList.Append(m_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 ( m_id )
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{
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::KillTimer(NULL, (UINT)m_id);
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wxTimerList.DeleteObject(this);
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}
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m_id = 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.m_id == 0)
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return;
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if ( timer.IsOneShot() )
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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, wxT("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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#endif // wxUSE_TIMER
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