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-rw-r--r--src/vmmouse_client.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vmmouse_client.c b/src/vmmouse_client.c
index 5f27e54..f34c223 100644
--- a/src/vmmouse_client.c
+++ b/src/vmmouse_client.c
@@ -267,9 +267,11 @@ VMMouseClient_GetInput (PVMMOUSE_INPUT_DATA pvmmouseInput) {
pvmmouseInput->Flags = (packetInfo & 0xffff0000) >> 16;
pvmmouseInput->Buttons = (packetInfo & 0x0000ffff);
- pvmmouseInput->X = vmpc.out.vEbx & 0xffff;
- pvmmouseInput->Y = vmpc.out.vEcx & 0xffff;
+ /* Note that Z is always signed, and X/Y are signed in relative mode. */
+ pvmmouseInput->X = (int)vmpc.out.vEbx;
+ pvmmouseInput->Y = (int)vmpc.out.vEcx;
pvmmouseInput->Z = (int)vmpc.out.vEdx;
+
/*
* Return number of packets (including this one) in queue.
*/