[janderwald] 57603: [MOUHID] - Report absolute mouse in Flags MOUSE_INPUT_DATA member [HIDPARSER] - Fix data conversion when extracting unscaled data from reports - Fixes VBOX absolute pointing dev...

Author: janderwald
Date: Wed Oct 24 09:37:08 2012
New Revision: 57603

URL: http://svn.reactos.org/svn/reactos?rev=57603&view=rev
Log:
[MOUHID]
- Report absolute mouse in Flags MOUSE_INPUT_DATA member
[HIDPARSER]
- Fix data conversion when extracting unscaled data from reports
- Fixes VBOX absolute pointing device
- Tested with VBOX 4.1.22 
- #Core-6553 #resolve

Modified:
    trunk/reactos/drivers/hid/mouhid/mouhid.c
    trunk/reactos/lib/drivers/hidparser/api.c

Modified: trunk/reactos/drivers/hid/mouhid/mouhid.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/hid/mouhid/mouhid.c...
==============================================================================
--- trunk/reactos/drivers/hid/mouhid/mouhid.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/hid/mouhid/mouhid.c [iso-8859-1] Wed Oct 24 09:37:08 2012
@@ -92,7 +92,8 @@
 VOID
 MouHid_GetButtonFlags(
     IN PMOUHID_DEVICE_EXTENSION DeviceExtension,
-    OUT PUSHORT ButtonFlags)
+    OUT PUSHORT ButtonFlags,
+    OUT PUSHORT Flags)
 {
     NTSTATUS Status;
     USAGE Usage;
@@ -102,6 +103,7 @@

/* init flags */
     *ButtonFlags = 0;
+    *Flags = 0;

/* get usages */
     CurrentUsageListLength = DeviceExtension->UsageListLength;
@@ -170,7 +172,7 @@
     if (DeviceExtension->MouseAbsolute)
     {
         // mouse operates absolute
-        *ButtonFlags |= MOUSE_MOVE_ABSOLUTE;
+        *Flags |= MOUSE_MOVE_ABSOLUTE;
     }
 }

@@ -212,6 +214,7 @@
     NTSTATUS Status;
     LONG LastX, LastY;
     MOUSE_INPUT_DATA MouseInputData;
+    USHORT Flags;

/* get device extension */
     DeviceExtension = (PMOUHID_DEVICE_EXTENSION)Context;
@@ -239,13 +242,14 @@
     MouHid_GetButtonMove(DeviceExtension, &LastX, &LastY);

/* get mouse change flags */
-    MouHid_GetButtonFlags(DeviceExtension, &ButtonFlags);
+    MouHid_GetButtonFlags(DeviceExtension, &ButtonFlags, &Flags);

/* init input data */
     RtlZeroMemory(&MouseInputData, sizeof(MOUSE_INPUT_DATA));

/* init input data */
     MouseInputData.ButtonFlags = ButtonFlags;
+    MouseInputData.Flags = Flags;
     MouseInputData.LastX = LastX;
     MouseInputData.LastY = LastY;

Modified: trunk/reactos/lib/drivers/hidparser/api.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/hidparser/api.c...
==============================================================================
--- trunk/reactos/lib/drivers/hidparser/api.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/hidparser/api.c [iso-8859-1] Wed Oct 24 09:37:08 2012
@@ -630,11 +630,10 @@
         ASSERT(ReportItem->ByteOffset < ReportDescriptorLength);

//
-        // one extra shift for skipping the prepended report id
-        //
-        Data = 0;
-        Parser->Copy(&Data, &ReportDescriptor[ReportItem->ByteOffset +1], min(sizeof(ULONG), ReportDescriptorLength - (ReportItem->ByteOffset + 1)));
-        //Data = ReportDescriptor[ReportItem->ByteOffset + 1];
+        // FIXME: support items with variable bitlength
+        //
+        ASSERT(ReportItem->BitCount == 16);
+        Data = (ReportDescriptor[ReportItem->ByteOffset +1] & 0xFF) | (ReportDescriptor[ReportItem->ByteOffset +2] & 0xFF) << 8;

//
         // shift data