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/*
* Copyright © 2006 Zephaniah E. Hull
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Soft-
* ware"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, provided that the above copyright
* notice(s) and this permission notice appear in all copies of the Soft-
* ware and that both the above copyright notice(s) and this permission
* notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
* MANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder shall
* not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization of
* the copyright holder.
*
* Author: Zephaniah E. Hull (warp@aehallh.com)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/keysym.h>
#include <X11/XF86keysym.h>
#include <X11/extensions/XIproto.h>
#include <linux/input.h>
#include <misc.h>
#include <xf86.h>
#include <xf86str.h>
#include <xf86_OSproc.h>
#include <xf86Xinput.h>
#include <exevents.h>
#include <mipointer.h>
#include <xf86Module.h>
#include "evdev.h"
#define ArrayLength(a) (sizeof(a) / (sizeof((a)[0])))
#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x) ((x)%BITS_PER_LONG)
#define LONG(x) ((x)/BITS_PER_LONG)
#define TestBit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
void
EvdevBtnPostFakeClicks(InputInfoPtr pInfo, int button, int count)
{
int i;
for (i = 0; i < count; i++) {
xf86PostButtonEvent(pInfo->dev, 0, button, 1, 0, 0);
xf86PostButtonEvent(pInfo->dev, 0, button, 0, 0, 0);
}
}
int
EvdevBtnInit (DeviceIntPtr device)
{
InputInfoPtr pInfo = device->public.devicePrivate;
evdevDevicePtr pEvdev = pInfo->private;
CARD8 *map;
int i;
if (!pEvdev->state.btn)
return Success;
map = Xcalloc (sizeof (CARD8) * (pEvdev->state.btn->buttons + 1));
for (i = 0; i <= pEvdev->state.btn->buttons; i++)
map[i] = i;
xf86Msg(X_ERROR, "%s (%d): Registering %d buttons.\n", __FILE__, __LINE__,
pEvdev->state.btn->buttons);
if (!InitButtonClassDeviceStruct (device, pEvdev->state.btn->buttons, map)) {
pEvdev->state.btn->buttons = 0;
return !Success;
}
Xfree (map);
return Success;
}
int
EvdevBtnOn (DeviceIntPtr device)
{
InputInfoPtr pInfo = device->public.devicePrivate;
evdevDevicePtr pEvdev = pInfo->private;
int i, blocked;
if (!pEvdev->state.btn)
return Success;
blocked = xf86BlockSIGIO ();
for (i = 1; i <= pEvdev->state.btn->buttons; i++)
xf86PostButtonEvent (device, 0, i, 0, 0, 0);
xf86UnblockSIGIO (blocked);
return Success;
}
int
EvdevBtnOff (DeviceIntPtr device)
{
return Success;
}
/*
* Warning, evil lives here.
*/
static void
EvdevBtnCalcRemap (InputInfoPtr pInfo)
{
evdevDevicePtr pEvdev = pInfo->private;
evdevStatePtr state = &pEvdev->state;
int i, j, base, clear, fake;
for (i = 0, base = 1, fake = 0; i < pEvdev->state.btn->real_buttons; i++) {
if (state->rel) {
do {
clear = 1;
for (j = 0; j < REL_MAX; j++) {
if (state->rel->btnMap[j][0] == (i + base)) {
base++;
clear = 0;
break;
}
if (state->rel->btnMap[j][1] == (i + base)) {
base++;
clear = 0;
break;
}
}
} while (!clear);
}
if (!fake && base != 1)
fake = i;
state->btn->buttons = state->btn->map[i] = i + base;
}
if (state->btn->real_buttons >= 3 && (!fake || fake >= 3)) {
base = state->btn->map[1];
state->btn->map[1] = state->btn->map[2];
state->btn->map[2] = base;
}
if (state->rel) {
for (i = 0; i < REL_MAX; i++) {
if (state->rel->btnMap[i][0] > state->btn->buttons)
state->btn->buttons = state->rel->btnMap[i][0];
if (state->rel->btnMap[i][1] > state->btn->buttons)
state->btn->buttons = state->rel->btnMap[i][1];
}
}
}
int
EvdevBtnNew(InputInfoPtr pInfo)
{
evdevDevicePtr pEvdev = pInfo->private;
evdevStatePtr state = &pEvdev->state;
int i, bit;
state->btn = Xcalloc (sizeof (evdevBtnRec));
for (i = BTN_MISC; i < (KEY_OK - 1); i++)
if (TestBit (i, pEvdev->bits.key)) {
bit = i;
if ((bit >= BTN_MOUSE) && (bit < BTN_JOYSTICK)) {
bit -= BTN_MOUSE - BTN_MISC;
} else if ((bit >= BTN_MISC) && (bit < BTN_MOUSE)) {
bit += BTN_MOUSE - BTN_MISC;
}
bit -= BTN_MISC;
state->btn->real_buttons = bit + 1;
}
if (state->btn->real_buttons)
xf86Msg(X_INFO, "%s: Found %d mouse buttons\n", pInfo->name, state->btn->real_buttons);
EvdevBtnCalcRemap (pInfo);
if (state->btn->buttons)
xf86Msg(X_INFO, "%s: Configured %d mouse buttons\n", pInfo->name, state->btn->buttons);
else {
Xfree (state->btn);
state->btn = NULL;
return !Success;
}
pInfo->flags |= XI86_SEND_DRAG_EVENTS | XI86_CONFIGURED;
/*
* FIXME: Mouse may not be accurate.
* Check buttons to see if we're actually a joystick or something.
*/
pInfo->type_name = XI_MOUSE;
return Success;
}
void
EvdevBtnProcess (InputInfoPtr pInfo, struct input_event *ev)
{
evdevDevicePtr pEvdev = pInfo->private;
evdevStatePtr state = &pEvdev->state;
int button;
if (!state->btn)
return;
button = ev->code - BTN_MISC;
if ((ev->code >= BTN_MOUSE) && (ev->code < BTN_JOYSTICK)) {
button -= BTN_MOUSE - BTN_MISC;
} else if ((ev->code >= BTN_MISC) && (ev->code < BTN_MOUSE)) {
button += BTN_MOUSE - BTN_MISC;
}
if (state->btn->state[button])
*state->btn->state[button] = ev->value;
button = state->btn->map[button];
xf86PostButtonEvent (pInfo->dev, 0, button, ev->value, 0, 0);
}
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