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[Kdrive] make XCalibrate 'orientation aware'

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This commit is contained in:
Richard Purdie 2008-01-08 12:12:06 +01:00 • committed by Dodji Seketeli
commit c31aead0fe
3 changed files with 62 additions and 2 deletions
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5
hw/kdrive/src/kdrive.h
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@ -832,7 +832,10 @@ KdSetPointerMatrix (KdPointerMatrix *pointer);
void
KdComputePointerMatrix (KdPointerMatrix *pointer, Rotation randr, int width, int height);
void
KdScreenToPointerCoords (int *x, int *y);
void
KdBlockHandler (int screen,
pointer blockData,

12
hw/kdrive/src/kinput.c
View file

@ -631,6 +631,18 @@ KdComputePointerMatrix (KdPointerMatrix *m, Rotation randr, int width,
}
}
void
KdScreenToPointerCoords (int *x, int *y)
{
int (*m)[3] = kdPointerMatrix.matrix;
int div = m[0][1] * m[1][0] - m[1][1] * m[0][0];
int sx = *x;
int sy = *y;
*x = (m[0][1] * sy - m[0][1] * m[1][2] + m[1][1] * m[0][2] - m[1][1] * sx) / div;
*y = (m[1][0] * sx + m[0][0] * m[1][2] - m[1][0] * m[0][2] - m[0][0] * sy) / div;
}
static void
KdKbdCtrl (DeviceIntPtr pDevice, KeybdCtrl *ctrl)
{