4 * Copyright 1993 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/winuser16.h"
30 #include "wine/server.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(timer);
36 typedef struct tagTIMER
40 UINT msg; /* WM_TIMER or WM_SYSTIMER */
47 #define NB_RESERVED_TIMERS 2 /* for SetSystemTimer */
49 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
51 static TIMER TimersArray[NB_TIMERS];
53 static CRITICAL_SECTION csTimer = CRITICAL_SECTION_INIT("csTimer");
56 /***********************************************************************
59 * Clear and remove a timer.
61 static void TIMER_ClearTimer( TIMER * pTimer )
67 WINPROC_FreeProc( pTimer->proc, WIN_PROC_TIMER );
71 /***********************************************************************
72 * TIMER_RemoveWindowTimers
74 * Remove all timers for a given window.
76 void TIMER_RemoveWindowTimers( HWND hwnd )
81 EnterCriticalSection( &csTimer );
83 for (i = NB_TIMERS, pTimer = TimersArray; i > 0; i--, pTimer++)
84 if ((pTimer->hwnd == hwnd) && pTimer->timeout)
85 TIMER_ClearTimer( pTimer );
87 LeaveCriticalSection( &csTimer );
91 /***********************************************************************
92 * TIMER_RemoveThreadTimers
94 * Remove all timers for the current thread.
96 void TIMER_RemoveThreadTimers(void)
101 EnterCriticalSection( &csTimer );
103 for (i = NB_TIMERS, pTimer = TimersArray; i > 0; i--, pTimer++)
104 if ((pTimer->thread == GetCurrentThreadId()) && pTimer->timeout)
105 TIMER_ClearTimer( pTimer );
107 LeaveCriticalSection( &csTimer );
111 /***********************************************************************
114 static UINT_PTR TIMER_SetTimer( HWND hwnd, UINT_PTR id, UINT timeout,
115 WNDPROC proc, WINDOWPROCTYPE type, BOOL sys )
121 if (hwnd && !(hwnd = WIN_IsCurrentThread( hwnd )))
123 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
128 { /* timeout==0 is a legal argument UB 990821*/
129 WARN("Timeout== 0 not implemented, using timeout=1\n");
133 EnterCriticalSection( &csTimer );
135 /* Check if there's already a timer with the same hwnd and id */
137 for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
138 if ((pTimer->hwnd == hwnd) && (pTimer->id == id) &&
139 (pTimer->timeout != 0))
141 TIMER_ClearTimer( pTimer );
145 if ( i == NB_TIMERS )
147 /* Find a free timer */
149 for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
150 if (!pTimer->timeout) break;
152 if ( (i >= NB_TIMERS) ||
153 (!sys && (i >= NB_TIMERS-NB_RESERVED_TIMERS)) )
155 LeaveCriticalSection( &csTimer );
160 if (!hwnd) id = i + 1;
162 if (proc) WINPROC_SetProc( &winproc, proc, type, WIN_PROC_TIMER );
164 SERVER_START_REQ( set_win_timer )
167 req->msg = sys ? WM_SYSTIMER : WM_TIMER;
169 req->rate = max( timeout, SYS_TIMER_RATE );
170 req->lparam = (unsigned int)winproc;
171 wine_server_call( req );
178 pTimer->thread = GetCurrentThreadId();
179 pTimer->msg = sys ? WM_SYSTIMER : WM_TIMER;
181 pTimer->timeout = timeout;
182 pTimer->proc = winproc;
184 TRACE("Timer added: %p, %p, %04x, %04x, %p\n",
185 pTimer, pTimer->hwnd, pTimer->msg, pTimer->id, pTimer->proc );
187 LeaveCriticalSection( &csTimer );
189 if (!id) return TRUE;
194 /***********************************************************************
197 static BOOL TIMER_KillTimer( HWND hwnd, UINT_PTR id, BOOL sys )
202 SERVER_START_REQ( kill_win_timer )
205 req->msg = sys ? WM_SYSTIMER : WM_TIMER;
207 wine_server_call( req );
211 EnterCriticalSection( &csTimer );
215 for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
216 if ((pTimer->hwnd == hwnd) && (pTimer->id == id) &&
217 (pTimer->timeout != 0)) break;
219 if ( (i >= NB_TIMERS) ||
220 (!sys && (i >= NB_TIMERS-NB_RESERVED_TIMERS)) ||
221 (!sys && (pTimer->msg != WM_TIMER)) ||
222 (sys && (pTimer->msg != WM_SYSTIMER)) )
224 LeaveCriticalSection( &csTimer );
228 /* Delete the timer */
230 TIMER_ClearTimer( pTimer );
232 LeaveCriticalSection( &csTimer );
238 /***********************************************************************
241 UINT16 WINAPI SetTimer16( HWND16 hwnd, UINT16 id, UINT16 timeout,
244 TRACE("%04x %d %d %08lx\n",
245 hwnd, id, timeout, (LONG)proc );
246 return TIMER_SetTimer( WIN_Handle32(hwnd), id, timeout, (WNDPROC)proc,
247 WIN_PROC_16, FALSE );
251 /***********************************************************************
252 * SetTimer (USER32.@)
254 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout,
257 TRACE("%p %d %d %p\n", hwnd, id, timeout, proc );
258 return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC)proc, WIN_PROC_32A, FALSE );
262 /***********************************************************************
265 BOOL TIMER_IsTimerValid( HWND hwnd, UINT_PTR id, WNDPROC proc )
271 hwnd = WIN_GetFullHandle( hwnd );
272 EnterCriticalSection( &csTimer );
274 for (i = 0, pTimer = TimersArray; i < NB_TIMERS; i++, pTimer++)
275 if ((pTimer->hwnd == hwnd) && (pTimer->id == id) && (pTimer->proc == proc))
281 LeaveCriticalSection( &csTimer );
286 /***********************************************************************
287 * SetSystemTimer (USER.11)
289 UINT16 WINAPI SetSystemTimer16( HWND16 hwnd, UINT16 id, UINT16 timeout,
292 TRACE("%04x %d %d %08lx\n",
293 hwnd, id, timeout, (LONG)proc );
294 return TIMER_SetTimer( WIN_Handle32(hwnd), id, timeout, (WNDPROC)proc, WIN_PROC_16, TRUE );
298 /***********************************************************************
299 * SetSystemTimer (USER32.@)
301 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout,
304 TRACE("%p %d %d %p\n", hwnd, id, timeout, proc );
305 return TIMER_SetTimer( hwnd, id, timeout, (WNDPROC)proc, WIN_PROC_32A, TRUE );
309 /***********************************************************************
310 * KillTimer (USER32.@)
312 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
314 TRACE("%p %d\n", hwnd, id );
315 return TIMER_KillTimer( hwnd, id, FALSE );
319 /***********************************************************************
320 * KillSystemTimer (USER32.@)
322 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
324 TRACE("%p %d\n", hwnd, id );
325 return TIMER_KillTimer( hwnd, id, TRUE );