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/*
* Copyright 2004 Peter Osterlund <petero2@telia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "eventcomm.h"
#include "synproto.h"
#include <xisb.h>
#define SYNAPTICS_PRIVATE
#include "synaptics.h"
#include <xf86.h>
#define SYSCALL(call) while (((call) == -1) && (errno == EINTR))
/*****************************************************************************
* Function Definitions
****************************************************************************/
static void
EventDeviceOnHook(LocalDevicePtr local)
{
/* Try to grab the event device so that data don't leak to /dev/input/mice */
int ret;
SYSCALL(ret = ioctl(local->fd, EVIOCGRAB, (pointer)1));
if (ret < 0) {
xf86Msg(X_WARNING, "%s can't grab event device\n",
local->name, errno);
}
}
static void
EventDeviceOffHook(LocalDevicePtr local)
{
}
static Bool
EventQueryHardware(LocalDevicePtr local, struct synapticshw *synhw, Bool *hasGuest)
{
return TRUE;
}
static Bool
SynapticsReadEvent(SynapticsPrivate *priv, struct input_event *ev)
{
int i, c;
unsigned char *pBuf, u;
for (i = 0; i < sizeof(struct input_event); i++) {
if ((c = XisbRead(priv->buffer)) < 0)
return FALSE;
u = (unsigned char)c;
pBuf = (unsigned char *)ev;
pBuf[i] = u;
}
return TRUE;
}
static Bool
EventReadHwState(LocalDevicePtr local, SynapticsPrivate *priv,
struct SynapticsHwState *hwRet)
{
struct input_event ev;
Bool v;
struct SynapticsHwState *hw = &(priv->hwState);
while (SynapticsReadEvent(priv, &ev)) {
switch (ev.type) {
case EV_SYN:
switch (ev.code) {
case SYN_REPORT:
if (priv->oneFinger)
hw->numFingers = 1;
else if (priv->twoFingers)
hw->numFingers = 2;
else if (priv->threeFingers)
hw->numFingers = 3;
else
hw->numFingers = 0;
*hwRet = *hw;
return TRUE;
}
case EV_KEY:
v = (ev.value ? TRUE : FALSE);
switch (ev.code) {
case BTN_LEFT:
hw->left = v;
break;
case BTN_RIGHT:
hw->right = v;
break;
case BTN_MIDDLE:
hw->middle = v;
break;
case BTN_FORWARD:
hw->up = v;
break;
case BTN_BACK:
hw->down = v;
break;
case BTN_0:
hw->multi[0] = v;
break;
case BTN_1:
hw->multi[1] = v;
break;
case BTN_2:
hw->multi[2] = v;
break;
case BTN_3:
hw->multi[3] = v;
break;
case BTN_4:
hw->multi[4] = v;
break;
case BTN_5:
hw->multi[5] = v;
break;
case BTN_6:
hw->multi[6] = v;
break;
case BTN_7:
hw->multi[7] = v;
break;
case BTN_TOOL_FINGER:
priv->oneFinger = v;
break;
case BTN_TOOL_DOUBLETAP:
priv->twoFingers = v;
break;
case BTN_TOOL_TRIPLETAP:
priv->threeFingers = v;
break;
}
break;
case EV_ABS:
switch (ev.code) {
case ABS_X:
hw->x = ev.value;
break;
case ABS_Y:
hw->y = ev.value;
break;
case ABS_PRESSURE:
hw->z = ev.value;
break;
case ABS_TOOL_WIDTH:
hw->fingerWidth = ev.value;
break;
}
break;
}
}
return FALSE;
}
struct SynapticsProtocolOperations event_proto_operations = {
EventDeviceOnHook,
EventDeviceOffHook,
EventQueryHardware,
EventReadHwState
};
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