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[Qemu-devel] [PULL 1/4] input: fix jumpy mouse cursor with USB mouse emu


From: Gerd Hoffmann
Subject: [Qemu-devel] [PULL 1/4] input: fix jumpy mouse cursor with USB mouse emulation
Date: Tue, 1 Jul 2014 16:07:23 +0200

From: Christian Burger <address@hidden>

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

Signed-off-by: Christian Burger <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/input/hid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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;
-- 
1.8.3.1




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