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[PULL,1/4] input: fix jumpy mouse cursor with USB mouse emulation

Message ID 1404223646-7899-2-git-send-email-kraxel@redhat.com
State New
Headers show

Commit Message

Gerd Hoffmann July 1, 2014, 2:07 p.m. UTC 
From: Christian Burger <christian@krikkel.de>

Guest mouse pointer was jumpy, when moving host mouse in the vertical direction (see bug #1327800).

Signed-off-by: Christian Burger <christian@krikkel.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/input/hid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/input/hid.c b/hw/input/hid.c
index 9656e90..148c003 100644
--- a/hw/input/hid.c
+++ b/hw/input/hid.c
@@ -124,7 +124,7 @@  static void hid_pointer_event(DeviceState *dev, QemuConsole *src,
         if (evt->rel->axis == INPUT_AXIS_X) {
             e->xdx += evt->rel->value;
         } else if (evt->rel->axis == INPUT_AXIS_Y) {
-            e->ydy -= evt->rel->value;
+            e->ydy += evt->rel->value;
         }
         break;
 
@@ -191,7 +191,7 @@  static void hid_pointer_sync(DeviceState *dev)
         if (hs->kind == HID_MOUSE) {
             prev->xdx += curr->xdx;
             curr->xdx = 0;
-            prev->ydy -= curr->ydy;
+            prev->ydy += curr->ydy;
             curr->ydy = 0;
         } else {
             prev->xdx = curr->xdx;