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diff -rup a/hw/kdrive/src/kinput.c b/hw/kdrive/src/kinput.c
--- a/hw/kdrive/src/kinput.c 2007-08-23 21:04:53.000000000 +0200
+++ b/hw/kdrive/src/kinput.c 2007-12-22 12:53:27.679853402 +0100
@@ -2075,19 +2075,25 @@ KdEnqueuePointerEvent(KdPointerInfo *pi,
/* we don't need to transform z, so we don't. */
if (flags & KD_MOUSE_DELTA) {
+/* does it really make sense to transform relative coordinates depending on screen rotation??
if (pi->transformCoordinates) {
x = matrix[0][0] * rx + matrix[0][1] * ry;
y = matrix[1][0] * rx + matrix[1][1] * ry;
}
- else {
+ else {*/
x = rx;
y = ry;
- }
+/* }*/
}
else {
if (pi->transformCoordinates) {
x = matrix[0][0] * rx + matrix[0][1] * ry;
y = matrix[1][0] * rx + matrix[1][1] * ry;
+/* negative absolute values indicate calculation from the oposite end of the axis */
+ if (x < 0)
+ x += matrix[0][2];
+ if (y < 0)
+ y += matrix[1][2];
}
else {
x = rx;
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