[reactos] 01/02: [MOUHID] Correctly detect tablet devices

[Hervé Poussineau]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2d5a230810640deac812c…

commit 2d5a230810640deac812c37336a583c8ac266281
Author:     Hervé Poussineau <hpoussin(a)reactos.org>
AuthorDate: Fri May 10 08:39:10 2019 +0200
Commit:     Hervé Poussineau <hpoussin(a)reactos.org>
CommitDate: Fri May 10 11:35:01 2019 +0200

    [MOUHID] Correctly detect tablet devices
    
    Some mice give a logical min/logical max which is the maximum move
    that they can provide. Those were wrongly detected as absolute mice,
    and mouse pointer was mostly stuck at the upper left corner of the
    screen.
---
 drivers/hid/mouhid/mouhid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/mouhid/mouhid.c b/drivers/hid/mouhid/mouhid.c
index 045090929d..073b22c303 100644
--- a/drivers/hid/mouhid/mouhid.c
+++ b/drivers/hid/mouhid/mouhid.c
@@ -947,8 +947,8 @@ MouHid_StartDevice(
     }
 
     /* check if mice is absolute */
-    if (DeviceExtension->ValueCapsY.LogicalMax >
DeviceExtension->ValueCapsY.LogicalMin ||
-        DeviceExtension->ValueCapsX.LogicalMax >
DeviceExtension->ValueCapsX.LogicalMin)
+    if (DeviceExtension->ValueCapsY.IsAbsolute &&
+        DeviceExtension->ValueCapsX.IsAbsolute)
     {
         /* mice is absolute */
         DeviceExtension->MouseAbsolute = TRUE;