mirror of
https://github.com/X11Libre/xf86-input-evdev.git
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Bugzilla #5696 <https://bugs.freedesktop.org/show_bug.cgi?id=5696> Slightly
updated version of the patch listed. Basicly a rewrite of the driver,
with a few pieces of the old. XKB support, proper device matching,
basic absolute pointer support. Lots more, will require some user
config changes.
This commit is contained in:
Zephaniah E. Hull
229
src/evdev_btn.c
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229
src/evdev_btn.c
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/*
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* Copyright © 2006 Zephaniah E. Hull
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Soft-
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* ware"), to deal in the Software without restriction, including without
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* limitation the rights to use, copy, modify, merge, publish, distribute,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, provided that the above copyright
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* notice(s) and this permission notice appear in all copies of the Soft-
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* ware and that both the above copyright notice(s) and this permission
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* notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
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* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
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* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
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* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
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* MANCE OF THIS SOFTWARE.
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*
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* Except as contained in this notice, the name of a copyright holder shall
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* not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization of
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* the copyright holder.
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*
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* Author: Zephaniah E. Hull (warp@aehallh.com)
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <X11/keysym.h>
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#include <X11/XF86keysym.h>
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#include <X11/extensions/XIproto.h>
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/* The libc wrapper just blows... linux/input.h must be included
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* before xf86_ansic.h and xf86_libc.h so we avoid defining ioctl
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* twice. */
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#include <linux/input.h>
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#include <misc.h>
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#include <xf86.h>
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#include <xf86str.h>
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#include <xf86_OSproc.h>
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#include <xf86_ansic.h>
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#include <xf86_libc.h>
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#include <xf86Xinput.h>
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#include <exevents.h>
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#include <mipointer.h>
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#include <xf86Module.h>
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#include "evdev.h"
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#define ArrayLength(a) (sizeof(a) / (sizeof((a)[0])))
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#define BITS_PER_LONG (sizeof(long) * 8)
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#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
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#define OFF(x) ((x)%BITS_PER_LONG)
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#define LONG(x) ((x)/BITS_PER_LONG)
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#define TestBit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
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void
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EvdevBtnPostFakeClicks(InputInfoPtr pInfo, int button, int count)
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{
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int i;
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for (i = 0; i < count; i++) {
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xf86PostButtonEvent(pInfo->dev, 0, button, 1, 0, 0);
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xf86PostButtonEvent(pInfo->dev, 0, button, 0, 0, 0);
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}
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}
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int
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EvdevBtnInit (DeviceIntPtr device)
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{
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InputInfoPtr pInfo = device->public.devicePrivate;
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evdevDevicePtr pEvdev = pInfo->private;
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CARD8 *map;
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int i;
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if (!pEvdev->state.buttons)
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return Success;
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map = Xcalloc (sizeof (CARD8) * pEvdev->state.buttons);
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for (i = 0; i < pEvdev->state.buttons; i++)
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map[i] = i;
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xf86Msg(X_ERROR, "%s (%d): Registering %d buttons.\n", __FILE__, __LINE__,
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pEvdev->state.buttons);
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if (!InitButtonClassDeviceStruct (device, pEvdev->state.buttons, map)) {
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pEvdev->state.buttons = 0;
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return !Success;
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}
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Xfree (map);
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return Success;
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}
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int
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EvdevBtnOn (DeviceIntPtr device)
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{
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InputInfoPtr pInfo = device->public.devicePrivate;
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evdevDevicePtr pEvdev = pInfo->private;
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int i, blocked;
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if (!pEvdev->state.buttons)
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return Success;
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blocked = xf86BlockSIGIO ();
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for (i = 1; i <= pEvdev->state.buttons; i++)
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xf86PostButtonEvent (device, 0, i, 0, 0, 0);
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xf86UnblockSIGIO (blocked);
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return Success;
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}
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int
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EvdevBtnOff (DeviceIntPtr device)
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{
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return Success;
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}
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/*
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* Warning, evil lives here.
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*/
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static void
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EvdevBtnCalcRemap (InputInfoPtr pInfo)
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{
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evdevDevicePtr pEvdev = pInfo->private;
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int i, j, base, clear, fake;
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for (i = 0, base = 1, fake = 0; i < pEvdev->state.real_buttons; i++) {
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do {
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clear = 1;
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for (j = 0; j < REL_MAX; j++) {
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if (pEvdev->state.relToBtnMap[j][0] == (i + base)) {
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base++;
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clear = 0;
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break;
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}
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if (pEvdev->state.relToBtnMap[j][1] == (i + base)) {
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base++;
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clear = 0;
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break;
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}
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}
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} while (!clear);
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if (!fake && base != 1)
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fake = i;
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pEvdev->state.buttons = pEvdev->state.buttonMap[i] = i + base;
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}
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if (pEvdev->state.real_buttons >= 3 && (!fake || fake >= 3)) {
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base = pEvdev->state.buttonMap[1];
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pEvdev->state.buttonMap[1] = pEvdev->state.buttonMap[2];
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pEvdev->state.buttonMap[2] = base;
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}
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for (j = 0; j < REL_MAX; j++) {
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if (pEvdev->state.relToBtnMap[i][0] > pEvdev->state.buttons)
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pEvdev->state.buttons = pEvdev->state.relToBtnMap[i][0];
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if (pEvdev->state.relToBtnMap[i][1] > pEvdev->state.buttons)
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pEvdev->state.buttons = pEvdev->state.relToBtnMap[i][1];
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}
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}
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int
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EvdevBtnNew(InputInfoPtr pInfo)
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{
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evdevDevicePtr pEvdev = pInfo->private;
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long key_bitmask[NBITS(KEY_MAX)];
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int i;
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if (ioctl(pInfo->fd,
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EVIOCGBIT(EV_KEY, KEY_MAX), key_bitmask) < 0) {
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xf86Msg(X_ERROR, "ioctl EVIOCGBIT failed: %s\n", strerror(errno));
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return !Success;
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}
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for (i = 0; i < (BTN_JOYSTICK - BTN_MOUSE); i++)
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if (TestBit (BTN_MOUSE + i, key_bitmask))
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pEvdev->state.real_buttons = i + 1;
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if (pEvdev->state.real_buttons)
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xf86Msg(X_INFO, "%s: Found %d mouse buttons\n", pInfo->name, pEvdev->state.real_buttons);
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EvdevBtnCalcRemap (pInfo);
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if (pEvdev->state.buttons)
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xf86Msg(X_INFO, "%s: Configured %d mouse buttons\n", pInfo->name, pEvdev->state.buttons);
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else
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return !Success;
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pInfo->flags |= XI86_SEND_DRAG_EVENTS | XI86_CONFIGURED;
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pInfo->type_name = XI_MOUSE;
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return Success;
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}
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void
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EvdevBtnProcess (InputInfoPtr pInfo, struct input_event *ev)
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{
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evdevDevicePtr pEvdev = pInfo->private;
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int button;
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if (!pEvdev->state.buttons)
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return;
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if ((ev->code >= BTN_MOUSE) && (ev->code < BTN_JOYSTICK)) {
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button = ev->code - BTN_MOUSE;
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button = pEvdev->state.buttonMap[button];
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xf86PostButtonEvent (pInfo->dev, 0, button, ev->value, 0, 0);
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} else {
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/* FIXME: Handle the non-mouse case. */
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}
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}
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