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[Win32k]

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- For SetTimer nIDEvent can be 0 in which case return 1. Zero still needs to be used for nIDEvent when killing the timer. Fixes bug 5553.
- Modify windowless timers to use IDEvent values decrementing from the max number of windowless timers vice incrementing from 1. Done to match windows behavior.


svn path=/trunk/; revision=48568
This commit is contained in:
Michael Martin 2010-08-19 10:52:36 +00:00
parent f87ad01e1a
commit 6a0074f795
1 changed files with 16 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

28
reactos/subsystems/win32/win32k/ntuser/timer.c
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@ -30,7 +30,7 @@ static LONG TimeLast = 0;
static FAST_MUTEX Mutex;
static RTL_BITMAP WindowLessTimersBitMap;
static PVOID WindowLessTimersBitMapBuffer;
static ULONG HintIndex = 0;
static ULONG HintIndex = 1;
ERESOURCE TimerLock;
@ -97,9 +97,11 @@ RemoveTimer(PTIMER pTmr)
RemoveEntryList(&pTmr->ptmrList);
if ((pTmr->pWnd == NULL) && (!(pTmr->flags & TMRF_SYSTEM)))
{
DPRINT("Clearing Bit %d)\n", pTmr->nID);
UINT_PTR IDEvent;
IDEvent = NUM_WINDOW_LESS_TIMERS - pTmr->nID;
IntLockWindowlessTimerBitmap();
RtlClearBit(&WindowLessTimersBitMap, pTmr->nID);
RtlClearBit(&WindowLessTimersBitMap, IDEvent);
IntUnlockWindowlessTimerBitmap();
}
UserDereferenceObject(pTmr);
@ -155,7 +157,7 @@ FindSystemTimer(PMSG pMsg)
break;
pLE = pTmr->ptmrList.Flink;
pTmr = CONTAINING_RECORD(pLE, TIMER, ptmrList);
pTmr = CONTAINING_RECORD(pLE, TIMER, ptmrList);
} while (pTmr != FirstpTmr);
TimerLeave();
@ -200,7 +202,7 @@ IntSetTimer( PWINDOW_OBJECT Window,
INT Type)
{
PTIMER pTmr;
UINT Ret= IDEvent;
UINT Ret = IDEvent;
LARGE_INTEGER DueTime;
DueTime.QuadPart = (LONGLONG)(-5000000);
@ -227,8 +229,10 @@ IntSetTimer( PWINDOW_OBJECT Window,
Elapse = 10;
}
/* Passing an IDEvent of 0 and the SetTimer returns 1.
It will create the timer with an ID of 0 */
if ((Window) && (IDEvent == 0))
IDEvent = 1;
Ret = 1;
pTmr = FindTimer(Window, IDEvent, Type);
@ -243,11 +247,13 @@ IntSetTimer( PWINDOW_OBJECT Window,
IntUnlockWindowlessTimerBitmap();
DPRINT1("Unable to find a free window-less timer id\n");
SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
ASSERT(FALSE);
return 0;
}
IDEvent = NUM_WINDOW_LESS_TIMERS - IDEvent;
Ret = IDEvent;
//HintIndex = IDEvent + 1;
IntUnlockWindowlessTimerBitmap();
}
@ -271,7 +277,7 @@ IntSetTimer( PWINDOW_OBJECT Window,
pTmr->cmsRate = Elapse;
pTmr->pfn = TimerFunc;
pTmr->nID = IDEvent;
pTmr->flags = Type|TMRF_INIT; // Set timer to Init mode.
pTmr->flags = Type|TMRF_INIT;
}
else
{
@ -319,6 +325,7 @@ SystemTimerSet( PWINDOW_OBJECT Window,
if (Window && Window->pti->pEThread->ThreadsProcess != PsGetCurrentProcess())
{
SetLastWin32Error(ERROR_ACCESS_DENIED);
DPRINT("SysemTimerSet: Access Denied!\n");
return 0;
}
return IntSetTimer( Window, nIDEvent, uElapse, lpTimerFunc, TMRF_SYSTEM);
@ -509,9 +516,6 @@ IntKillTimer(PWINDOW_OBJECT Window, UINT_PTR IDEvent, BOOL SystemTimer)
DPRINT("IntKillTimer Window %x id %p systemtimer %s\n",
Window, IDEvent, SystemTimer ? "TRUE" : "FALSE");
if ((Window) && (IDEvent == 0))
IDEvent = 1;
pTmr = FindTimer(Window, IDEvent, SystemTimer ? TMRF_SYSTEM : 0);
if (pTmr)
@ -532,7 +536,7 @@ InitTimerImpl(VOID)
ExInitializeFastMutex(&Mutex);
BitmapBytes = ROUND_UP(NUM_WINDOW_LESS_TIMERS, sizeof(ULONG) * 8) / 8;
WindowLessTimersBitMapBuffer = ExAllocatePoolWithTag(PagedPool, BitmapBytes, TAG_TIMERBMP);
WindowLessTimersBitMapBuffer = ExAllocatePoolWithTag(NonPagedPool, BitmapBytes, TAG_TIMERBMP);
if (WindowLessTimersBitMapBuffer == NULL)
{
return STATUS_UNSUCCESSFUL;