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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>
/* The libc wrapper just blows... linux/input.h must be included
* before xf86_ansic.h and xf86_libc.h so we avoid defining ioctl
* twice. */
#include <linux/input.h>
#include <misc.h>
#include <xf86.h>
#include <xf86str.h>
#include <xf86_OSproc.h>
#include <xf86_ansic.h>
#include <xf86_libc.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)
static char *axis_names[] = {
"X",
"Y",
"Z",
"RX",
"RY",
"RZ",
"HWHEEL",
"DIAL",
"WHEEL",
"MISC",
"10",
"11",
"12",
"13",
"14",
"15",
NULL
};
static void
EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl)
{
/* Nothing to do, dix handles all settings */
}
static Bool
EvdevConvert(InputInfoPtr pInfo, int first, int num, int v0, int v1, int v2,
int v3, int v4, int v5, int *x, int *y)
{
if (first == 0) {
*x = v0;
*y = v1;
return TRUE;
} else
return FALSE;
}
/*
* FIXME: Verify that the C standard lets us pass more variable arguments
* then we specify.
*/
void
EvdevRelSyn (InputInfoPtr pInfo)
{
evdevDevicePtr pEvdev = pInfo->private;
evdevStatePtr state = &pEvdev->state;
int i, btn;
if (!state->rel || state->mode != Relative)
return;
for (i = 0; i < state->rel->axes; i++) {
if ((state->rel->v[i] > 0) && (btn = state->rel->btnMap[i][0]))
EvdevBtnPostFakeClicks (pInfo, btn, state->rel->v[i]);
else if ((state->rel->v[i] < 0) && (btn = state->rel->btnMap[i][1]))
EvdevBtnPostFakeClicks (pInfo, btn, -state->rel->v[i]);
}
xf86PostMotionEvent(pInfo->dev, 0, 0, state->rel->axes,
state->rel->v[0], state->rel->v[1], state->rel->v[2], state->rel->v[3],
state->rel->v[4], state->rel->v[5], state->rel->v[6], state->rel->v[7],
state->rel->v[8], state->rel->v[9], state->rel->v[10], state->rel->v[11],
state->rel->v[12], state->rel->v[13], state->rel->v[14], state->rel->v[15]);
for (i = 0; i < REL_MAX; i++)
state->rel->v[i] = 0;
}
void
EvdevRelProcess (InputInfoPtr pInfo, struct input_event *ev)
{
evdevDevicePtr pEvdev = pInfo->private;
int map;
if (ev->code >= REL_MAX)
return;
map = pEvdev->state.rel->map[ev->code];
if (map >= 0)
pEvdev->state.rel->v[map] += ev->value;
else
pEvdev->state.rel->v[-map] -= ev->value;
if (!pEvdev->state.sync)
EvdevRelSyn (pInfo);
}
int
EvdevRelInit (DeviceIntPtr device)
{
InputInfoPtr pInfo = device->public.devicePrivate;
evdevDevicePtr pEvdev = pInfo->private;
int i;
if (!InitValuatorClassDeviceStruct(device, pEvdev->state.rel->axes,
miPointerGetMotionEvents,
miPointerGetMotionBufferSize(), 0))
return !Success;
for (i = 0; i < pEvdev->state.rel->axes; i++) {
xf86InitValuatorAxisStruct(device, i, 0, 0, 0, 0, 1);
xf86InitValuatorDefaults(device, i);
}
if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc))
return !Success;
return Success;
}
int
EvdevRelOn (DeviceIntPtr device)
{
return Success;
}
int
EvdevRelOff (DeviceIntPtr device)
{
return Success;
}
int
EvdevRelNew(InputInfoPtr pInfo)
{
evdevDevicePtr pEvdev = pInfo->private;
evdevStatePtr state = &pEvdev->state;
char *s, option[64];
int i, j, k = 0, real_axes;
real_axes = 0;
for (i = 0; i < REL_MAX; i++)
if (TestBit (i, pEvdev->bits.rel))
real_axes++;
if (!real_axes && (!state->abs || state->abs->axes < 2))
return !Success;
state->rel = Xcalloc (sizeof (evdevRelRec));
xf86Msg(X_INFO, "%s: Found %d relative axes.\n", pInfo->name,
real_axes);
xf86Msg(X_INFO, "%s: Configuring as pointer.\n", pInfo->name);
pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS |
XI86_CONFIGURED;
pInfo->type_name = XI_MOUSE;
pInfo->conversion_proc = EvdevConvert;
for (i = 0, j = 0; i < REL_MAX; i++) {
if (!TestBit (i, pEvdev->bits.rel))
continue;
snprintf(option, sizeof(option), "%sRelativeAxisMap", axis_names[i]);
s = xf86SetStrOption(pInfo->options, option, "0");
if (s && (k = strtol(s, NULL, 0)))
state->rel->map[i] = k;
else
state->rel->map[i] = j;
if (s && k)
xf86Msg(X_CONFIG, "%s: %s: %d.\n", pInfo->name, option, k);
snprintf(option, sizeof(option), "%sRelativeAxisButtons", axis_names[i]);
if (i == REL_WHEEL || i == REL_Z)
s = xf86SetStrOption(pInfo->options, option, "4 5");
else if (i == REL_HWHEEL)
s = xf86SetStrOption(pInfo->options, option, "6 7");
else
s = xf86SetStrOption(pInfo->options, option, "0 0");
k = state->rel->map[i];
if (!s || (sscanf(s, "%d %d", &state->rel->btnMap[k][0],
&state->rel->btnMap[k][1]) != 2))
state->rel->btnMap[k][0] = state->rel->btnMap[k][1] = 0;
if (state->rel->btnMap[k][0] || state->rel->btnMap[k][1])
xf86Msg(X_CONFIG, "%s: %s: %d %d.\n", pInfo->name, option,
state->rel->btnMap[k][0], state->rel->btnMap[k][1]);
j++;
}
state->rel->axes = real_axes;
for (i = 0; i < REL_MAX; i++)
if (state->rel->map[i] > state->rel->axes)
state->rel->axes = state->rel->map[i];
if (state->abs && (state->abs->axes >= 2) && (state->rel->axes < 2))
state->rel->axes = 2;
if (state->rel->axes != real_axes)
xf86Msg(X_CONFIG, "%s: Configuring %d relative axes.\n", pInfo->name,
state->rel->axes);
return Success;
}
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