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input: fix jumpy mouse cursor with USB mouse emulation

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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>
This commit is contained in:
Christian Burger
2014-07-01 13:26:37 +02:00
committed by Gerd Hoffmann
parent b3959efdbb
commit 35e83d10f2
1 changed files with 2 additions and 2 deletions
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hw/input/hid.c
+2 -2
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@@ -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;