338 lines
8.4 KiB
C
338 lines
8.4 KiB
C
/*
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* Timer functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "winproc.h"
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#include "message.h"
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#include "server.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(timer);
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typedef struct tagTIMER
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{
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HWND hwnd;
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HQUEUE16 hq;
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UINT16 msg; /* WM_TIMER or WM_SYSTIMER */
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UINT id;
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UINT timeout;
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HWINDOWPROC proc;
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} TIMER;
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#define NB_TIMERS 34
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#define NB_RESERVED_TIMERS 2 /* for SetSystemTimer */
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#define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
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static TIMER TimersArray[NB_TIMERS];
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static CRITICAL_SECTION csTimer = CRITICAL_SECTION_INIT;
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/***********************************************************************
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* TIMER_ClearTimer
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*
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* Clear and remove a timer.
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*/
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static void TIMER_ClearTimer( TIMER * pTimer )
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{
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pTimer->hwnd = 0;
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pTimer->msg = 0;
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pTimer->id = 0;
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pTimer->timeout = 0;
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WINPROC_FreeProc( pTimer->proc, WIN_PROC_TIMER );
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}
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/***********************************************************************
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* TIMER_RemoveWindowTimers
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*
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* Remove all timers for a given window.
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*/
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void TIMER_RemoveWindowTimers( HWND hwnd )
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{
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int i;
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TIMER *pTimer;
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EnterCriticalSection( &csTimer );
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for (i = NB_TIMERS, pTimer = TimersArray; i > 0; i--, pTimer++)
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if ((pTimer->hwnd == hwnd) && pTimer->timeout)
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TIMER_ClearTimer( pTimer );
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LeaveCriticalSection( &csTimer );
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}
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/***********************************************************************
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* TIMER_RemoveQueueTimers
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*
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* Remove all timers for a given queue.
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*/
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void TIMER_RemoveQueueTimers( HQUEUE16 hqueue )
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{
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int i;
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TIMER *pTimer;
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EnterCriticalSection( &csTimer );
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for (i = NB_TIMERS, pTimer = TimersArray; i > 0; i--, pTimer++)
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if ((pTimer->hq == hqueue) && pTimer->timeout)
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TIMER_ClearTimer( pTimer );
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LeaveCriticalSection( &csTimer );
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}
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/***********************************************************************
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* TIMER_SetTimer
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*/
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static UINT TIMER_SetTimer( HWND hwnd, UINT id, UINT timeout,
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WNDPROC16 proc, WINDOWPROCTYPE type, BOOL sys )
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{
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int i;
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TIMER * pTimer;
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HWINDOWPROC winproc = 0;
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if (hwnd && GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
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{
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SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return 0;
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}
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if (!timeout)
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{ /* timeout==0 is a legal argument UB 990821*/
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WARN("Timeout== 0 not implemented, using timeout=1\n");
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timeout=1;
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}
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EnterCriticalSection( &csTimer );
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/* Check if there's already a timer with the same hwnd and id */
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for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
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if ((pTimer->hwnd == hwnd) && (pTimer->id == id) &&
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(pTimer->timeout != 0))
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{
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TIMER_ClearTimer( pTimer );
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break;
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}
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if ( i == NB_TIMERS )
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{
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/* Find a free timer */
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for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
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if (!pTimer->timeout) break;
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if ( (i >= NB_TIMERS) ||
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(!sys && (i >= NB_TIMERS-NB_RESERVED_TIMERS)) )
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{
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LeaveCriticalSection( &csTimer );
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return 0;
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}
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}
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if (!hwnd) id = i + 1;
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if (proc) WINPROC_SetProc( &winproc, proc, type, WIN_PROC_TIMER );
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SERVER_START_REQ( set_win_timer )
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{
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req->win = hwnd;
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req->msg = sys ? WM_SYSTIMER : WM_TIMER;
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req->id = id;
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req->rate = max( timeout, SYS_TIMER_RATE );
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req->lparam = (unsigned int)winproc;
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SERVER_CALL();
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}
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SERVER_END_REQ;
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/* Add the timer */
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pTimer->hwnd = hwnd;
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pTimer->hq = GetFastQueue16();
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pTimer->msg = sys ? WM_SYSTIMER : WM_TIMER;
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pTimer->id = id;
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pTimer->timeout = timeout;
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pTimer->proc = winproc;
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TRACE("Timer added: %p, %04x, %04x, %04x, %08lx\n",
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pTimer, pTimer->hwnd, pTimer->msg, pTimer->id,
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(DWORD)pTimer->proc );
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LeaveCriticalSection( &csTimer );
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if (!id) return TRUE;
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else return id;
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}
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/***********************************************************************
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* TIMER_KillTimer
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*/
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static BOOL TIMER_KillTimer( HWND hwnd, UINT id, BOOL sys )
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{
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int i;
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TIMER * pTimer;
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SERVER_START_REQ( kill_win_timer )
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{
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req->win = hwnd;
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req->msg = sys ? WM_SYSTIMER : WM_TIMER;
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req->id = id;
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SERVER_CALL();
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}
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SERVER_END_REQ;
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EnterCriticalSection( &csTimer );
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/* Find the timer */
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for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
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if ((pTimer->hwnd == hwnd) && (pTimer->id == id) &&
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(pTimer->timeout != 0)) break;
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if ( (i >= NB_TIMERS) ||
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(!sys && (i >= NB_TIMERS-NB_RESERVED_TIMERS)) ||
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(!sys && (pTimer->msg != WM_TIMER)) ||
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(sys && (pTimer->msg != WM_SYSTIMER)) )
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{
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LeaveCriticalSection( &csTimer );
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return FALSE;
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}
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/* Delete the timer */
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TIMER_ClearTimer( pTimer );
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LeaveCriticalSection( &csTimer );
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return TRUE;
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}
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/***********************************************************************
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* SetTimer (USER.10)
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*/
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UINT16 WINAPI SetTimer16( HWND16 hwnd, UINT16 id, UINT16 timeout,
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TIMERPROC16 proc )
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{
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TRACE("%04x %d %d %08lx\n",
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hwnd, id, timeout, (LONG)proc );
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return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC16)proc,
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WIN_PROC_16, FALSE );
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}
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/***********************************************************************
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* SetTimer (USER32.@)
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*/
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UINT WINAPI SetTimer( HWND hwnd, UINT id, UINT timeout,
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TIMERPROC proc )
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{
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TRACE("%04x %d %d %08lx\n",
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hwnd, id, timeout, (LONG)proc );
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return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC16)proc,
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WIN_PROC_32A, FALSE );
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}
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/***********************************************************************
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* TIMER_IsTimerValid
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*/
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BOOL TIMER_IsTimerValid( HWND hwnd, UINT id, HWINDOWPROC hProc )
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{
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int i;
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TIMER *pTimer;
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BOOL ret = FALSE;
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EnterCriticalSection( &csTimer );
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for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
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if ((pTimer->hwnd == hwnd) && (pTimer->id == id) &&
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(pTimer->proc == hProc))
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{
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ret = TRUE;
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break;
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}
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LeaveCriticalSection( &csTimer );
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return ret;
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}
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/***********************************************************************
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* SetSystemTimer (USER.11)
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*/
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UINT16 WINAPI SetSystemTimer16( HWND16 hwnd, UINT16 id, UINT16 timeout,
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TIMERPROC16 proc )
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{
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TRACE("%04x %d %d %08lx\n",
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hwnd, id, timeout, (LONG)proc );
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return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC16)proc,
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WIN_PROC_16, TRUE );
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}
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/***********************************************************************
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* SetSystemTimer (USER32.@)
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*/
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UINT WINAPI SetSystemTimer( HWND hwnd, UINT id, UINT timeout,
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TIMERPROC proc )
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{
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TRACE("%04x %d %d %08lx\n",
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hwnd, id, timeout, (LONG)proc );
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return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC16)proc,
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WIN_PROC_32A, TRUE );
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}
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/***********************************************************************
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* KillTimer (USER.12)
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*/
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BOOL16 WINAPI KillTimer16( HWND16 hwnd, UINT16 id )
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{
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TRACE("%04x %d\n", hwnd, id );
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return TIMER_KillTimer( hwnd, id, FALSE );
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}
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/***********************************************************************
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* KillTimer (USER32.@)
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*/
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BOOL WINAPI KillTimer( HWND hwnd, UINT id )
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{
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TRACE("%04x %d\n", hwnd, id );
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return TIMER_KillTimer( hwnd, id, FALSE );
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}
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/***********************************************************************
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* KillSystemTimer (USER.182)
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*/
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BOOL16 WINAPI KillSystemTimer16( HWND16 hwnd, UINT16 id )
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{
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TRACE("%04x %d\n", hwnd, id );
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return TIMER_KillTimer( hwnd, id, TRUE );
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}
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/***********************************************************************
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* KillSystemTimer (USER32.@)
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*/
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BOOL WINAPI KillSystemTimer( HWND hwnd, UINT id )
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{
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TRACE("%04x %d\n", hwnd, id );
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return TIMER_KillTimer( hwnd, id, TRUE );
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}
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