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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 2014-06-14 20:19:41 +01:00 committed by Gerd Hoffmann
parent b3959efdbb
commit 35e83d10f2
1 changed files with 2 additions and 2 deletions
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4
hw/input/hid.c
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@ -124,7 +124,7 @@ static void hid_pointer_event(DeviceState *dev, QemuConsole *src,
if (evt->rel->axis == INPUT_AXIS_X) { if (evt->rel->axis == INPUT_AXIS_X) {
e->xdx += evt->rel->value; e->xdx += evt->rel->value;
} else if (evt->rel->axis == INPUT_AXIS_Y) { } else if (evt->rel->axis == INPUT_AXIS_Y) {
e->ydy -= evt->rel->value; e->ydy += evt->rel->value;
} }
break; break;
@ -191,7 +191,7 @@ static void hid_pointer_sync(DeviceState *dev)
if (hs->kind == HID_MOUSE) { if (hs->kind == HID_MOUSE) {
prev->xdx += curr->xdx; prev->xdx += curr->xdx;
curr->xdx = 0; curr->xdx = 0;
prev->ydy -= curr->ydy; prev->ydy += curr->ydy;
curr->ydy = 0; curr->ydy = 0;
} else { } else {
prev->xdx = curr->xdx; prev->xdx = curr->xdx;