static Bool logiParse (KdPointerInfo *pi, unsigned char *ev, int ne)
{
Kmouse *km = pi->driverPrivate;
int dx, dy;
unsigned long flags;
flags = KD_MOUSE_DELTA;
if (ne == 3)
{
if (ev[0] & 0x20)
flags |= KD_BUTTON_1;
if (ev[0] & 0x10)
flags |= KD_BUTTON_3;
dx = (signed char)(((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
dy = (signed char)(((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
flags |= km->state & KD_BUTTON_2;
}
else
{
if (ev[0] & 0x20)
flags |= KD_BUTTON_2;
dx = 0;
dy = 0;
flags |= km->state & (KD_BUTTON_1|KD_BUTTON_3);
}
if (!MouseReasonable (pi, flags, dx, dy))
return FALSE;
if (km->stage == MouseWorking)
KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
return TRUE;
}
/*
* Standard PS/2 mouse protocol
*/
static Bool ps2Parse (KdMouseInfo *mi, unsigned char *ev, int ne)
{
Kmouse *km = mi->driver;
int dx, dy, dz;
unsigned long flags;
unsigned long flagsrelease = 0;
flags = KD_MOUSE_DELTA;
if (ev[0] & 4)
flags |= KD_BUTTON_2;
if (ev[0] & 2)
flags |= KD_BUTTON_3;
if (ev[0] & 1)
flags |= KD_BUTTON_1;
if (ne > 3)
{
dz = (int) (signed char) ev[3];
/*if (dz > 0)*/
if (dz < 0)
{
flags |= KD_BUTTON_4;
/*else if (dz < 0)*/
flagsrelease = KD_BUTTON_4;
}
else if (dz > 0)
{
flags |= KD_BUTTON_5;
flagsrelease = KD_BUTTON_5;
}
}
dx = ev[1];
if (ev[0] & 0x10)
dx -= 256;
dy = ev[2];
if (ev[0] & 0x20)
dy -= 256;
dy = -dy;
if (!MouseReasonable (mi, flags, dx, dy))
return FALSE;
if (km->stage == MouseWorking)
{
KdEnqueueMouseEvent (mi, flags, dx, dy);
if (flagsrelease)
{
flags &= ~flagsrelease;
KdEnqueueMouseEvent (mi, flags, dx, dy);
}
}
return TRUE;
}
static Bool busParse (KdPointerInfo *pi, unsigned char *ev, int ne)
{
Kmouse *km = pi->driverPrivate;
int dx, dy;
unsigned long flags;
flags = KD_MOUSE_DELTA;
dx = (signed char) ev[1];
dy = -(signed char) ev[2];
if ((ev[0] & 4) == 0)
flags |= KD_BUTTON_1;
if ((ev[0] & 2) == 0)
flags |= KD_BUTTON_2;
if ((ev[0] & 1) == 0)
flags |= KD_BUTTON_3;
if (!MouseReasonable (pi, flags, dx, dy))
return FALSE;
if (km->stage == MouseWorking)
KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
return TRUE;
}
static Bool msParse (KdMouseInfo *mi, unsigned char *ev, int ne)
{
Kmouse *km = mi->driver;
int dx, dy;
unsigned long flags;
flags = KD_MOUSE_DELTA;
if (ev[0] & 0x20)
flags |= KD_BUTTON_1;
if (ev[0] & 0x10)
flags |= KD_BUTTON_3;
dx = (signed char)(((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
dy = (signed char)(((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
if (!MouseReasonable (mi, flags, dx, dy))
return FALSE;
if (km->stage == MouseWorking)
KdEnqueueMouseEvent (mi, flags, dx, dy);
return TRUE;
}
/*
* Mouse systems protocol, 5 bytes
*/
static Bool mscParse (KdPointerInfo *pi, unsigned char *ev, int ne)
{
Kmouse *km = pi->driverPrivate;
int dx, dy;
unsigned long flags;
flags = KD_MOUSE_DELTA;
if (!(ev[0] & 0x4))
flags |= KD_BUTTON_1;
if (!(ev[0] & 0x2))
flags |= KD_BUTTON_2;
if (!(ev[0] & 0x1))
flags |= KD_BUTTON_3;
dx = (signed char)(ev[1]) + (signed char)(ev[3]);
dy = - ((signed char)(ev[2]) + (signed char)(ev[4]));
if (!MouseReasonable (pi, flags, dx, dy))
return FALSE;
if (km->stage == MouseWorking)
KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
return TRUE;
}
