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Diffstat (limited to 'vcl/win/source/app/saltimer.cxx')
| -rw-r--r-- | vcl/win/source/app/saltimer.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/vcl/win/source/app/saltimer.cxx b/vcl/win/source/app/saltimer.cxx new file mode 100644 index 000000000000..b051c72110bf --- /dev/null +++ b/vcl/win/source/app/saltimer.cxx @@ -0,0 +1,152 @@ +/************************************************************************* + * + * $RCSfile: saltimer.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:49 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _SVWIN_H +#include <tools/svwin.h> +#endif + +#define _SV_SALTIMER_CXX + +#ifndef _SV_SALDATA_HXX +#include <saldata.hxx> +#endif +#ifndef _SV_SALTIMER_HXX +#include <saltimer.hxx> +#endif + +// ======================================================================= + +// Maximale Periode +#define MAX_SYSPERIOD 65533 + +// ======================================================================= + +void ImplSalStartTimer( ULONG nMS, BOOL bMutex ) +{ + SalData* pSalData = GetSalData(); + + // Remenber the time of the timer + pSalData->mnTimerMS = nMS; + if ( !bMutex ) + pSalData->mnTimerOrgMS = nMS; + + // Periode darf nicht zu gross sein, da Windows mit USHORT arbeitet + if ( nMS > MAX_SYSPERIOD ) + nMS = MAX_SYSPERIOD; + + // Gibt es einen Timer, dann zerstoren + if ( pSalData->mnTimerId ) + KillTimer( 0, pSalData->mnTimerId ); + + // Make a new timer with new period + pSalData->mnTimerId = SetTimer( 0, 0, (UINT)nMS, SalTimerProc ); +} + +// ----------------------------------------------------------------------- + +void SalTimer::Stop() +{ + SalData* pSalData = GetSalData(); + + // If we have a timer, than + if ( pSalData->mnTimerId ) + { + KillTimer( 0, pSalData->mnTimerId ); + pSalData->mnTimerId = 0; + } +} + +// ----------------------------------------------------------------------- + +void SalTimer::SetCallback( SALTIMERPROC pProc ) +{ + SalData* pSalData = GetSalData(); + pSalData->mpTimerProc = pProc; +} + +// ----------------------------------------------------------------------- + +void CALLBACK SalTimerProc( HWND, UINT, UINT, DWORD ) +{ + SalData* pSalData = GetSalData(); + + // Test for MouseLeave + SalTestMouseLeave(); + + if ( pSalData->mpTimerProc ) + { + // Try to aquire the mutex. If we don't get the mutex then we + // try this a short time later again. + if ( ImplSalYieldMutexTryToAcquire() ) + { + pSalData->mpTimerProc(); + ImplSalYieldMutexRelease(); + + // Run the timer in the correct time, if we start this + // with a small timeout, because we don't get the mutex + if ( pSalData->mnTimerId && + (pSalData->mnTimerMS != pSalData->mnTimerOrgMS) ) + ImplSalStartTimer( pSalData->mnTimerOrgMS, FALSE ); + } + else + ImplSalStartTimer( 10, TRUE ); + } +} |