Fixed skipped events from keyboard:

- Wait for IO if it would be pending
- Don't copy into UserBuffer directly in read because it'll be 
  overwritten.  Use Irp->AssociatedIrp.SystemBuffer.

Modified: trunk/reactos/drivers/input/kbdclass/kbdclass.c
Modified: trunk/reactos/subsys/win32k/ntuser/input.c

--- trunk/reactos/drivers/input/kbdclass/kbdclass.c	2005-11-18 06:15:24 UTC (rev 19321)
+++ trunk/reactos/drivers/input/kbdclass/kbdclass.c	2005-11-18 10:53:32 UTC (rev 19322)
@@ -369,6 +369,8 @@

 
 	ASSERT(ClassDeviceExtension->Common.IsClassDO);
 

+	KeAcquireSpinLock(&ClassDeviceExtension->SpinLock, &OldIrql);
+

 	DPRINT("ClassCallback()\n");
 	/* A filter driver might have consumed all the data already; I'm
 	 * not sure if they are supposed to move the packets when they
@@ -382,6 +384,8 @@

 
 		/* A read request is waiting for input, so go straight to it */
 		/* FIXME: use SEH */

+		DPRINT("Immediate Completion: %x\n", DataStart->MakeCode);
+

 		RtlCopyMemory(
 			Irp->MdlAddress ? MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority) : Irp->AssociatedIrp.SystemBuffer,
 			DataStart,
@@ -403,8 +407,6 @@

 	/* If we have data from the port driver and a higher service to send the data to */
 	if (InputCount != 0)
 	{

-		KeAcquireSpinLock(&ClassDeviceExtension->SpinLock, &OldIrql);
-

 		if (ClassDeviceExtension->InputCount + InputCount > ClassDeviceExtension->DriverExtension->DataQueueSize)
 			ReadSize = ClassDeviceExtension->DriverExtension->DataQueueSize - ClassDeviceExtension->InputCount;
 		else
@@ -428,7 +430,6 @@

 		ClassDeviceExtension->PortData += ReadSize;
 		ClassDeviceExtension->InputCount += ReadSize;
 

-		KeReleaseSpinLock(&ClassDeviceExtension->SpinLock, OldIrql);

 		(*ConsumedCount) += ReadSize;
 	}
 	else
@@ -436,6 +437,8 @@

 		DPRINT("ClassCallBack() entered, InputCount = %lu - DOING NOTHING\n", InputCount);
 	}
 

+	KeReleaseSpinLock(&ClassDeviceExtension->SpinLock, OldIrql);
+

 	if (Irp != NULL)
 	{
 		IoStartNextPacket(ClassDeviceObject, FALSE);
@@ -575,11 +578,17 @@

 
 		KeAcquireSpinLock(&DeviceExtension->SpinLock, &oldIrql);
 

+		DPRINT("Mdl: %x, UserBuffer: %x, InputCount: %d, Data: %x\n",
+		       Irp->MdlAddress,
+		       Irp->UserBuffer,
+		       DeviceExtension->InputCount,
+		       (DeviceExtension->PortData-DeviceExtension->InputCount)->MakeCode);
+

 		/* FIXME: use SEH */
 		RtlCopyMemory(

-			Irp->MdlAddress ? MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority) : Irp->UserBuffer,
-			DeviceExtension->PortData - DeviceExtension->InputCount,
-			sizeof(KEYBOARD_INPUT_DATA));

+		    Irp->AssociatedIrp.SystemBuffer,
+		    DeviceExtension->PortData - DeviceExtension->InputCount,
+		    sizeof(KEYBOARD_INPUT_DATA));

 
 		if (DeviceExtension->InputCount > 1)
 		{

--- trunk/reactos/subsys/win32k/ntuser/input.c	2005-11-18 06:15:24 UTC (rev 19321)
+++ trunk/reactos/subsys/win32k/ntuser/input.c	2005-11-18 10:53:32 UTC (rev 19322)
@@ -413,7 +413,6 @@

    struct _ETHREAD *FocusThread;
    extern NTSTATUS Win32kInitWin32Thread(PETHREAD Thread);
 

-

    PKEYBOARD_INDICATOR_TRANSLATION IndicatorTrans = NULL;
    UINT ModifierState = 0;
    USHORT LastMakeCode = 0;
@@ -486,15 +485,33 @@

          HWND hWnd;
          int id;
 

+	 DPRINT("KeyInput @ %08x\n", &KeyInput);
+

          Status = NtReadFile (KeyboardDeviceHandle,

+			      NULL,

                               NULL,
                               NULL,

-                              NULL,

                               &Iosb,
                               &KeyInput,
                               sizeof(KEYBOARD_INPUT_DATA),
                               NULL,
                               NULL);

+
+         if(Status == STATUS_ALERTED && !InputThreadsRunning)
+         {
+            break;
+         }
+         if(Status == STATUS_PENDING)
+         {
+            NtWaitForSingleObject(KeyboardDeviceHandle, FALSE, NULL);
+            Status = Iosb.Status;
+         }
+         if(!NT_SUCCESS(Status))
+         {
+            DPRINT1("Win32K: Failed to read from mouse.\n");
+            return; //(Status);
+         }
+

          DPRINT("KeyRaw: %s %04x\n",
                 (KeyInput.Flags & KEY_BREAK) ? "up" : "down",
                 KeyInput.MakeCode );