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authormarha <marha@users.sourceforge.net>2010-12-16 16:32:31 +0000
committermarha <marha@users.sourceforge.net>2010-12-16 16:32:31 +0000
commite9cda97b38a5987aad2260f5153992d43bec16ce (patch)
tree94f0b93f5a343f528bec5474d222a510e4fb9442 /xorg-server/hw/xfree86/common/xf86Xinput.c
parentc59dda05406935ac1aaf11bf8cbd1b3140d8d115 (diff)
parentf851244b9298d88c29331ab285c2839d8bee6925 (diff)
downloadvcxsrv-e9cda97b38a5987aad2260f5153992d43bec16ce.tar.gz
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svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Xinput.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86Xinput.c2791
1 files changed, 1399 insertions, 1392 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index dad993ec1..b9006ab07 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -1,1392 +1,1399 @@
-/*
- * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Frederic Lepied not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Frederic Lepied makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL 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
- * PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/*
- * Copyright (c) 2000-2002 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/Xfuncproto.h>
-#include <X11/Xmd.h>
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include <X11/Xatom.h>
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86Config.h"
-#include "xf86Xinput.h"
-#include "xf86Optrec.h"
-#include "mipointer.h"
-#include "extinit.h"
-#include "loaderProcs.h"
-
-#include "exevents.h" /* AddInputDevice */
-#include "exglobals.h"
-#include "eventstr.h"
-#include "inpututils.h"
-
-#include <string.h> /* InputClassMatches */
-#ifdef HAVE_FNMATCH_H
-#include <fnmatch.h>
-#endif
-#ifdef HAVE_SYS_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-
-#include <stdarg.h>
-#include <stdint.h> /* for int64_t */
-
-#include "mi.h"
-
-#include <ptrveloc.h> /* dix pointer acceleration */
-#include <xserver-properties.h>
-
-#ifdef XFreeXDGA
-#include "dgaproc.h"
-#endif
-
-#include "xkbsrv.h"
-
-/* Valuator verification macro */
-#define XI_VERIFY_VALUATORS(num_valuators) \
- if (num_valuators > MAX_VALUATORS) { \
- xf86Msg(X_ERROR, "%s: num_valuator %d is greater than" \
- " MAX_VALUATORS\n", __FUNCTION__, num_valuators); \
- return; \
- }
-
-EventListPtr xf86Events = NULL;
-
-static int
-xf86InputDevicePostInit(DeviceIntPtr dev);
-
-/**
- * Eval config and modify DeviceVelocityRec accordingly
- */
-static void
-ProcessVelocityConfiguration(DeviceIntPtr pDev, char* devname, pointer list,
- DeviceVelocityPtr s)
-{
- int tempi;
- float tempf;
- Atom float_prop = XIGetKnownProperty(XATOM_FLOAT);
- Atom prop;
-
- if(!s)
- return;
-
- /* common settings (available via device properties) */
- tempf = xf86SetRealOption(list, "ConstantDeceleration", 1.0);
- if (tempf > 1.0) {
- xf86Msg(X_CONFIG, "%s: (accel) constant deceleration by %.1f\n",
- devname, tempf);
- prop = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- tempf = xf86SetRealOption(list, "AdaptiveDeceleration", 1.0);
- if (tempf > 1.0) {
- xf86Msg(X_CONFIG, "%s: (accel) adaptive deceleration by %.1f\n",
- devname, tempf);
- prop = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- /* select profile by number */
- tempi = xf86SetIntOption(list, "AccelerationProfile",
- s->statistics.profile_number);
-
- prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
- if (XIChangeDeviceProperty(pDev, prop, XA_INTEGER, 32,
- PropModeReplace, 1, &tempi, FALSE) == Success) {
- xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i\n", devname,
- tempi);
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i is unknown\n",
- devname, tempi);
- }
-
- /* set scaling */
- tempf = xf86SetRealOption(list, "ExpectedRate", 0);
- prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
- if (tempf > 0) {
- tempf = 1000.0 / tempf;
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- } else {
- tempf = xf86SetRealOption(list, "VelocityScale", s->corr_mul);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- tempi = xf86SetIntOption(list, "VelocityTrackerCount", -1);
- if (tempi > 1)
- InitTrackers(s, tempi);
-
- s->initial_range = xf86SetIntOption(list, "VelocityInitialRange",
- s->initial_range);
-
- s->max_diff = xf86SetRealOption(list, "VelocityAbsDiff", s->max_diff);
-
- tempf = xf86SetRealOption(list, "VelocityRelDiff", -1);
- if (tempf >= 0) {
- xf86Msg(X_CONFIG, "%s: (accel) max rel. velocity difference: %.1f%%\n",
- devname, tempf*100.0);
- s->max_rel_diff = tempf;
- }
-
- /* Configure softening. If const deceleration is used, this is expected
- * to provide better subpixel information so we enable
- * softening by default only if ConstantDeceleration is not used
- */
- s->use_softening = xf86SetBoolOption(list, "Softening",
- s->const_acceleration == 1.0);
-
- s->average_accel = xf86SetBoolOption(list, "AccelerationProfileAveraging",
- s->average_accel);
-
- s->reset_time = xf86SetIntOption(list, "VelocityReset", s->reset_time);
-}
-
-static void
-ApplyAccelerationSettings(DeviceIntPtr dev){
- int scheme, i;
- DeviceVelocityPtr pVel;
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
- char* schemeStr;
-
- if (dev->valuator && dev->ptrfeed) {
- schemeStr = xf86SetStrOption(pInfo->options, "AccelerationScheme", "");
-
- scheme = dev->valuator->accelScheme.number;
-
- if (!xf86NameCmp(schemeStr, "predictable"))
- scheme = PtrAccelPredictable;
-
- if (!xf86NameCmp(schemeStr, "lightweight"))
- scheme = PtrAccelLightweight;
-
- if (!xf86NameCmp(schemeStr, "none"))
- scheme = PtrAccelNoOp;
-
- /* reinit scheme if needed */
- if (dev->valuator->accelScheme.number != scheme) {
- if (dev->valuator->accelScheme.AccelCleanupProc) {
- dev->valuator->accelScheme.AccelCleanupProc(dev);
- }
-
- if (InitPointerAccelerationScheme(dev, scheme)) {
- xf86Msg(X_CONFIG, "%s: (accel) selected scheme %s/%i\n",
- pInfo->name, schemeStr, scheme);
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) could not init scheme %s\n",
- pInfo->name, schemeStr);
- scheme = dev->valuator->accelScheme.number;
- }
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) keeping acceleration scheme %i\n",
- pInfo->name, scheme);
- }
-
- free(schemeStr);
-
- /* process special configuration */
- switch (scheme) {
- case PtrAccelPredictable:
- pVel = GetDevicePredictableAccelData(dev);
- ProcessVelocityConfiguration (dev, pInfo->name, pInfo->options,
- pVel);
- break;
- }
-
- i = xf86SetIntOption(pInfo->options, "AccelerationNumerator",
- dev->ptrfeed->ctrl.num);
- if (i >= 0)
- dev->ptrfeed->ctrl.num = i;
-
- i = xf86SetIntOption(pInfo->options, "AccelerationDenominator",
- dev->ptrfeed->ctrl.den);
- if (i > 0)
- dev->ptrfeed->ctrl.den = i;
-
- i = xf86SetIntOption(pInfo->options, "AccelerationThreshold",
- dev->ptrfeed->ctrl.threshold);
- if (i >= 0)
- dev->ptrfeed->ctrl.threshold = i;
-
- xf86Msg(X_CONFIG, "%s: (accel) acceleration factor: %.3f\n",
- pInfo->name, ((float)dev->ptrfeed->ctrl.num)/
- ((float)dev->ptrfeed->ctrl.den));
- xf86Msg(X_CONFIG, "%s: (accel) acceleration threshold: %i\n",
- pInfo->name, dev->ptrfeed->ctrl.threshold);
- }
-}
-
-/***********************************************************************
- *
- * xf86ProcessCommonOptions --
- *
- * Process global options.
- *
- ***********************************************************************
- */
-void
-xf86ProcessCommonOptions(InputInfoPtr pInfo,
- pointer list)
-{
- if (xf86SetBoolOption(list, "Floating", 0) ||
- !xf86SetBoolOption(list, "AlwaysCore", 1) ||
- !xf86SetBoolOption(list, "SendCoreEvents", 1) ||
- !xf86SetBoolOption(list, "CorePointer", 1) ||
- !xf86SetBoolOption(list, "CoreKeyboard", 1)) {
- xf86Msg(X_CONFIG, "%s: doesn't report core events\n", pInfo->name);
- } else {
- pInfo->flags |= XI86_ALWAYS_CORE;
- xf86Msg(X_CONFIG, "%s: always reports core events\n", pInfo->name);
- }
-}
-
-/***********************************************************************
- *
- * xf86ActivateDevice --
- *
- * Initialize an input device.
- *
- * Returns TRUE on success, or FALSE otherwise.
- ***********************************************************************
- */
-static DeviceIntPtr
-xf86ActivateDevice(InputInfoPtr pInfo)
-{
- DeviceIntPtr dev;
- Atom atom;
-
- dev = AddInputDevice(serverClient, pInfo->device_control, TRUE);
-
- if (dev == NULL)
- {
- xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n",
- pInfo->name);
- pInfo->dev = NULL;
- return NULL;
- }
-
- atom = MakeAtom(pInfo->type_name, strlen(pInfo->type_name), TRUE);
- AssignTypeAndName(dev, atom, pInfo->name);
- dev->public.devicePrivate = pInfo;
- pInfo->dev = dev;
-
- dev->coreEvents = pInfo->flags & XI86_ALWAYS_CORE;
- dev->type = SLAVE;
- dev->spriteInfo->spriteOwner = FALSE;
-
- dev->config_info = xf86SetStrOption(pInfo->options, "config_info", NULL);
-
- if (serverGeneration == 1)
- xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
- pInfo->name, pInfo->type_name);
-
- return dev;
-}
-
-/****************************************************************************
- *
- * Caller: ProcXSetDeviceMode
- *
- * Change the mode of an extension device.
- * This function is used to change the mode of a device from reporting
- * relative motion to reporting absolute positional information, and
- * vice versa.
- * The default implementation below is that no such devices are supported.
- *
- ***********************************************************************
- */
-
-int
-SetDeviceMode (ClientPtr client, DeviceIntPtr dev, int mode)
-{
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
-
- if (pInfo->switch_mode) {
- return (*pInfo->switch_mode)(client, dev, mode);
- }
- else
- return BadMatch;
-}
-
-
-/***********************************************************************
- *
- * Caller: ProcXSetDeviceValuators
- *
- * Set the value of valuators on an extension input device.
- * This function is used to set the initial value of valuators on
- * those input devices that are capable of reporting either relative
- * motion or an absolute position, and allow an initial position to be set.
- * The default implementation below is that no such devices are supported.
- *
- ***********************************************************************
- */
-
-int
-SetDeviceValuators (ClientPtr client, DeviceIntPtr dev, int *valuators,
- int first_valuator, int num_valuators)
-{
- InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate;
-
- if (pInfo->set_device_valuators)
- return (*pInfo->set_device_valuators)(pInfo, valuators, first_valuator,
- num_valuators);
-
- return BadMatch;
-}
-
-
-/***********************************************************************
- *
- * Caller: ProcXChangeDeviceControl
- *
- * Change the specified device controls on an extension input device.
- *
- ***********************************************************************
- */
-
-int
-ChangeDeviceControl (ClientPtr client, DeviceIntPtr dev, xDeviceCtl *control)
-{
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
-
- if (!pInfo->control_proc) {
- switch (control->control) {
- case DEVICE_CORE:
- return BadMatch;
- case DEVICE_RESOLUTION:
- case DEVICE_ABS_CALIB:
- case DEVICE_ABS_AREA:
- case DEVICE_ENABLE:
- return Success;
- default:
- return BadMatch;
- }
- }
- else {
- return (*pInfo->control_proc)(pInfo, control);
- }
-}
-
-/*
- * Get the operating system name from uname and store it statically to avoid
- * repeating the system call each time MatchOS is checked.
- */
-static const char *
-HostOS(void)
-{
-#ifdef HAVE_SYS_UTSNAME_H
- struct utsname name;
- static char host_os[sizeof(name.sysname)] = "";
-
- if (*host_os == '\0') {
- if (uname(&name) >= 0)
- strcpy(host_os, name.sysname);
- else {
- strncpy(host_os, "unknown", sizeof(host_os));
- host_os[sizeof(host_os)-1] = '\0';
- }
- }
- return host_os;
-#else
- return "";
-#endif
-}
-
-static int
-match_substring(const char *attr, const char *pattern)
-{
- return (strstr(attr, pattern)) ? 0 : -1;
-}
-
-#ifdef HAVE_FNMATCH_H
-static int
-match_pattern(const char *attr, const char *pattern)
-{
- return fnmatch(pattern, attr, 0);
-}
-#else
-#define match_pattern match_substring
-#endif
-
-#ifdef HAVE_FNMATCH_H
-static int
-match_path_pattern(const char *attr, const char *pattern)
-{
- return fnmatch(pattern, attr, FNM_PATHNAME);
-}
-#else
-#define match_path_pattern match_substring
-#endif
-
-/*
- * Match an attribute against a list of NULL terminated arrays of patterns.
- * If a pattern in each list entry is matched, return TRUE.
- */
-static Bool
-MatchAttrToken(const char *attr, struct list *patterns,
- int (*compare)(const char *attr, const char *pattern))
-{
- const xf86MatchGroup *group;
-
- /* If there are no patterns, accept the match */
- if (list_is_empty(patterns))
- return TRUE;
-
- /* If there are patterns but no attribute, reject the match */
- if (!attr)
- return FALSE;
-
- /*
- * Otherwise, iterate the list of patterns ensuring each entry has a
- * match. Each list entry is a separate Match line of the same type.
- */
- list_for_each_entry(group, patterns, entry) {
- char * const *cur;
- Bool match = FALSE;
-
- for (cur = group->values; *cur; cur++)
- if ((*compare)(attr, *cur) == 0) {
- match = TRUE;
- break;
- }
- if (!match)
- return FALSE;
- }
-
- /* All the entries in the list matched the attribute */
- return TRUE;
-}
-
-/*
- * Classes without any Match statements match all devices. Otherwise, all
- * statements must match.
- */
-static Bool
-InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev,
- const InputAttributes *attrs)
-{
- /* MatchProduct substring */
- if (!MatchAttrToken(attrs->product, &iclass->match_product, match_substring))
- return FALSE;
-
- /* MatchVendor substring */
- if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring))
- return FALSE;
-
- /* MatchDevicePath pattern */
- if (!MatchAttrToken(attrs->device, &iclass->match_device, match_path_pattern))
- return FALSE;
-
- /* MatchOS case-insensitive string */
- if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp))
- return FALSE;
-
- /* MatchPnPID pattern */
- if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern))
- return FALSE;
-
- /* MatchUSBID pattern */
- if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern))
- return FALSE;
-
- /* MatchDriver string */
- if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp))
- return FALSE;
-
- /*
- * MatchTag string
- * See if any of the device's tags match any of the MatchTag tokens.
- */
- if (!list_is_empty(&iclass->match_tag)) {
- char * const *tag;
- Bool match;
-
- if (!attrs->tags)
- return FALSE;
- for (tag = attrs->tags, match = FALSE; *tag; tag++) {
- if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) {
- match = TRUE;
- break;
- }
- }
- if (!match)
- return FALSE;
- }
-
- /* MatchIs* booleans */
- if (iclass->is_keyboard.set &&
- iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))
- return FALSE;
- if (iclass->is_pointer.set &&
- iclass->is_pointer.val != !!(attrs->flags & ATTR_POINTER))
- return FALSE;
- if (iclass->is_joystick.set &&
- iclass->is_joystick.val != !!(attrs->flags & ATTR_JOYSTICK))
- return FALSE;
- if (iclass->is_tablet.set &&
- iclass->is_tablet.val != !!(attrs->flags & ATTR_TABLET))
- return FALSE;
- if (iclass->is_touchpad.set &&
- iclass->is_touchpad.val != !!(attrs->flags & ATTR_TOUCHPAD))
- return FALSE;
- if (iclass->is_touchscreen.set &&
- iclass->is_touchscreen.val != !!(attrs->flags & ATTR_TOUCHSCREEN))
- return FALSE;
-
- return TRUE;
-}
-
-/*
- * Merge in any InputClass configurations. Options in each InputClass
- * section have more priority than the original device configuration as
- * well as any previous InputClass sections.
- */
-static int
-MergeInputClasses(const InputInfoPtr idev, const InputAttributes *attrs)
-{
- XF86ConfInputClassPtr cl;
- XF86OptionPtr classopts;
-
- for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, idev, attrs))
- continue;
-
- /* Collect class options and driver settings */
- classopts = xf86optionListDup(cl->option_lst);
- if (cl->driver) {
- free(idev->driver);
- idev->driver = xstrdup(cl->driver);
- if (!idev->driver) {
- xf86Msg(X_ERROR, "Failed to allocate memory while merging "
- "InputClass configuration");
- return BadAlloc;
- }
- classopts = xf86ReplaceStrOption(classopts, "driver",
- idev->driver);
- }
-
- /* Apply options to device with InputClass settings preferred. */
- xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n",
- idev->name, cl->identifier);
- idev->options = xf86optionListMerge(idev->options, classopts);
- }
-
- return Success;
-}
-
-/*
- * Iterate the list of classes and look for Option "Ignore". Return the
- * value of the last matching class and holler when returning TRUE.
- */
-static Bool
-IgnoreInputClass(const InputInfoPtr idev, const InputAttributes *attrs)
-{
- XF86ConfInputClassPtr cl;
- Bool ignore = FALSE;
- const char *ignore_class;
-
- for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, idev, attrs))
- continue;
- if (xf86findOption(cl->option_lst, "Ignore")) {
- ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
- ignore_class = cl->identifier;
- }
- }
-
- if (ignore)
- xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n",
- idev->name, ignore_class);
- return ignore;
-}
-
-InputInfoPtr
-xf86AllocateInput(void)
-{
- InputInfoPtr pInfo;
-
- pInfo = calloc(sizeof(*pInfo), 1);
- if (!pInfo)
- return NULL;
-
- pInfo->fd = -1;
- pInfo->type_name = "UNKNOWN";
-
- return pInfo;
-}
-
-/* Append InputInfoRec to the tail of xf86InputDevs. */
-static void
-xf86AddInput(InputDriverPtr drv, InputInfoPtr pInfo)
-{
- InputInfoPtr *prev = NULL;
-
- pInfo->drv = drv;
- pInfo->module = DuplicateModule(drv->module, NULL);
-
- for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next)
- ;
-
- *prev = pInfo;
- pInfo->next = NULL;
-
- xf86CollectInputOptions(pInfo, (const char**)drv->default_options);
- xf86ProcessCommonOptions(pInfo, pInfo->options);
-}
-
-/*
- * Remove an entry from xf86InputDevs and free all the device's information.
- */
-void
-xf86DeleteInput(InputInfoPtr pInp, int flags)
-{
- /* First check if the inputdev is valid. */
- if (pInp == NULL)
- return;
-
- if (pInp->module)
- UnloadModule(pInp->module);
-
- /* This should *really* be handled in drv->UnInit(dev) call instead, but
- * if the driver forgets about it make sure we free it or at least crash
- * with flying colors */
- free(pInp->private);
-
- FreeInputAttributes(pInp->attrs);
-
- /* Remove the entry from the list. */
- if (pInp == xf86InputDevs)
- xf86InputDevs = pInp->next;
- else {
- InputInfoPtr p = xf86InputDevs;
- while (p && p->next != pInp)
- p = p->next;
- if (p)
- p->next = pInp->next;
- /* Else the entry wasn't in the xf86InputDevs list (ignore this). */
- }
-
- free(pInp->driver);
- free(pInp->name);
- xf86optionListFree(pInp->options);
- free(pInp);
-}
-
-/*
- * Apply backend-specific initialization. Invoked after ActiveteDevice(),
- * i.e. after the driver successfully completed DEVICE_INIT and the device
- * is advertised.
- * @param dev the device
- * @return Success or an error code
- */
-static int
-xf86InputDevicePostInit(DeviceIntPtr dev) {
- ApplyAccelerationSettings(dev);
- return Success;
-}
-
-/**
- * Create a new input device, activate and enable it.
- *
- * Possible return codes:
- * BadName .. a bad driver name was supplied.
- * BadImplementation ... The driver does not have a PreInit function. This
- * is a driver bug.
- * BadMatch .. device initialization failed.
- * BadAlloc .. too many input devices
- *
- * @param idev The device, already set up with identifier, driver, and the
- * options.
- * @param pdev Pointer to the new device, if Success was reported.
- * @param enable Enable the device after activating it.
- *
- * @return Success or an error code
- */
-_X_INTERNAL int
-xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
-{
- InputDriverPtr drv = NULL;
- DeviceIntPtr dev = NULL;
- int rval;
-
- /* Memory leak for every attached device if we don't
- * test if the module is already loaded first */
- drv = xf86LookupInputDriver(pInfo->driver);
- if (!drv)
- if (xf86LoadOneModule(pInfo->driver, NULL))
- drv = xf86LookupInputDriver(pInfo->driver);
- if (!drv) {
- xf86Msg(X_ERROR, "No input driver matching `%s'\n", pInfo->driver);
- rval = BadName;
- goto unwind;
- }
-
- if (!drv->PreInit) {
- xf86Msg(X_ERROR,
- "Input driver `%s' has no PreInit function (ignoring)\n",
- drv->driverName);
- rval = BadImplementation;
- goto unwind;
- }
-
- xf86AddInput(drv, pInfo);
-
- rval = drv->PreInit(drv, pInfo, 0);
-
- if (rval != Success) {
- xf86Msg(X_ERROR, "PreInit returned %d for \"%s\"\n", rval, pInfo->name);
- goto unwind;
- }
-
- if (!(dev = xf86ActivateDevice(pInfo)))
- {
- rval = BadAlloc;
- goto unwind;
- }
-
- rval = ActivateDevice(dev, TRUE);
- if (rval != Success)
- {
- xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
- RemoveDevice(dev, TRUE);
- goto unwind;
- }
-
- rval = xf86InputDevicePostInit(dev);
- if (rval != Success)
- {
- xf86Msg(X_ERROR, "Couldn't post-init device \"%s\"\n", pInfo->name);
- RemoveDevice(dev, TRUE);
- goto unwind;
- }
-
- /* Enable it if it's properly initialised and we're currently in the VT */
- if (enable && dev->inited && dev->startup && xf86Screens[0]->vtSema)
- {
- EnableDevice(dev, TRUE);
- if (!dev->enabled)
- {
- xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
- rval = BadMatch;
- goto unwind;
- }
- /* send enter/leave event, update sprite window */
- CheckMotion(NULL, dev);
- }
-
- *pdev = dev;
- return Success;
-
-unwind:
- if(pInfo) {
- if(drv && drv->UnInit)
- drv->UnInit(drv, pInfo, 0);
- else
- xf86DeleteInput(pInfo, 0);
- }
- return rval;
-}
-
-int
-NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
- DeviceIntPtr *pdev)
-{
- InputInfoPtr pInfo = NULL;
- InputOption *option = NULL;
- int rval = Success;
- int is_auto = 0;
-
- pInfo = xf86AllocateInput();
- if (!pInfo)
- return BadAlloc;
-
- for (option = options; option; option = option->next) {
- if (strcasecmp(option->key, "driver") == 0) {
- if (pInfo->driver) {
- rval = BadRequest;
- goto unwind;
- }
- pInfo->driver = xstrdup(option->value);
- if (!pInfo->driver) {
- rval = BadAlloc;
- goto unwind;
- }
- }
-
- if (strcasecmp(option->key, "name") == 0 ||
- strcasecmp(option->key, "identifier") == 0) {
- if (pInfo->name) {
- rval = BadRequest;
- goto unwind;
- }
- pInfo->name = xstrdup(option->value);
- if (!pInfo->name) {
- rval = BadAlloc;
- goto unwind;
- }
- }
-
- if (strcmp(option->key, "_source") == 0 &&
- (strcmp(option->value, "server/hal") == 0 ||
- strcmp(option->value, "server/udev") == 0)) {
- is_auto = 1;
- if (!xf86Info.autoAddDevices) {
- rval = BadMatch;
- goto unwind;
- }
- }
- }
-
- for (option = options; option; option = option->next) {
- /* Steal option key/value strings from the provided list.
- * We need those strings, the InputOption list doesn't. */
- pInfo->options = xf86addNewOption(pInfo->options,
- option->key, option->value);
- option->key = NULL;
- option->value = NULL;
- }
-
- /* Apply InputClass settings */
- if (attrs) {
- if (IgnoreInputClass(pInfo, attrs)) {
- rval = BadIDChoice;
- goto unwind;
- }
-
- rval = MergeInputClasses(pInfo, attrs);
- if (rval != Success)
- goto unwind;
-
- pInfo->attrs = DuplicateInputAttributes(attrs);
- }
-
- if (!pInfo->driver || !pInfo->name) {
- xf86Msg(X_INFO, "No input driver/identifier specified (ignoring)\n");
- rval = BadRequest;
- goto unwind;
- }
-
- if (!pInfo->name) {
- xf86Msg(X_ERROR, "No device identifier specified (ignoring)\n");
- rval = BadMatch;
- goto unwind;
- }
-
- rval = xf86NewInputDevice(pInfo, pdev,
- (!is_auto || (is_auto && xf86Info.autoEnableDevices)));
-
- return rval;
-
-unwind:
- if (is_auto && !xf86Info.autoAddDevices)
- xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n");
- xf86DeleteInput(pInfo, 0);
- return rval;
-}
-
-void
-DeleteInputDeviceRequest(DeviceIntPtr pDev)
-{
- InputInfoPtr pInfo = (InputInfoPtr) pDev->public.devicePrivate;
- InputDriverPtr drv = NULL;
- Bool isMaster = IsMaster(pDev);
-
- if (pInfo) /* need to get these before RemoveDevice */
- drv = pInfo->drv;
-
- OsBlockSignals();
- RemoveDevice(pDev, TRUE);
-
- if (!isMaster && pInfo != NULL)
- {
- if(drv->UnInit)
- drv->UnInit(drv, pInfo, 0);
- else
- xf86DeleteInput(pInfo, 0);
- }
- OsReleaseSignals();
-}
-
-/*
- * convenient functions to post events
- */
-
-void
-xf86PostMotionEvent(DeviceIntPtr device,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i = 0;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostMotionEventM(device, is_absolute, &mask);
-}
-
-void
-xf86PostMotionEventP(DeviceIntPtr device,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostMotionEventM(device, is_absolute, &mask);
-}
-
-void
-xf86PostMotionEventM(DeviceIntPtr device,
- int is_absolute,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
- DeviceEvent *event;
- int flags = 0;
-
-#if XFreeXDGA
- int index;
- int dx = 0, dy = 0;
-#endif
-
- if (is_absolute)
- flags = POINTER_ABSOLUTE;
- else
- flags = POINTER_RELATIVE | POINTER_ACCELERATE;
-
-#if XFreeXDGA
- /* The evdev driver may not always send all axes across. */
- if (valuator_mask_isset(mask, 0) ||
- valuator_mask_isset(mask, 1))
- if (miPointerGetScreen(device)) {
- index = miPointerGetScreen(device)->myNum;
- if (valuator_mask_isset(mask, 0))
- {
- dx = valuator_mask_get(mask, 0);
- if (is_absolute)
- dx -= device->last.valuators[0];
- }
-
- if (valuator_mask_isset(mask, 1))
- {
- dy = valuator_mask_get(mask, 1);
- if (is_absolute)
- dy -= device->last.valuators[1];
- }
-
- if (DGAStealMotionEvent(device, index, dx, dy))
- return;
- }
-#endif
-
- nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0, flags, mask);
-
- for (i = 0; i < nevents; i++) {
- event = (DeviceEvent*)((xf86Events + i)->event);
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
- }
-}
-
-void
-xf86PostProximityEvent(DeviceIntPtr device,
- int is_in,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostProximityEventM(device, is_in, &mask);
-}
-
-void
-xf86PostProximityEventP(DeviceIntPtr device,
- int is_in,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostProximityEventM(device, is_in, &mask);
-}
-
-void
-xf86PostProximityEventM(DeviceIntPtr device,
- int is_in,
- const ValuatorMask *mask)
-{
- int i, nevents;
-
- nevents = GetProximityEvents(xf86Events, device,
- is_in ? ProximityIn : ProximityOut, mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-
-}
-
-void
-xf86PostButtonEvent(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- ValuatorMask mask;
- int i = 0;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
-
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
-}
-
-void
-xf86PostButtonEventP(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
-}
-
-void
-xf86PostButtonEventM(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
- int flags = 0;
-
-#if XFreeXDGA
- int index;
-#endif
-
- if (is_absolute)
- flags = POINTER_ABSOLUTE;
- else
- flags = POINTER_RELATIVE | POINTER_ACCELERATE;
-
-#if XFreeXDGA
- if (miPointerGetScreen(device)) {
- index = miPointerGetScreen(device)->myNum;
- if (DGAStealButtonEvent(device, index, button, is_down))
- return;
- }
-#endif
-
- nevents = GetPointerEvents(xf86Events, device,
- is_down ? ButtonPress : ButtonRelease, button,
- flags, mask);
-
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-
-}
-
-void
-xf86PostKeyEvent(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i = 0;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
-
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
-}
-
-void
-xf86PostKeyEventP(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
-}
-
-void
-xf86PostKeyEventM(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
-
- if (is_absolute) {
- nevents = GetKeyboardValuatorEvents(xf86Events, device,
- is_down ? KeyPress : KeyRelease,
- key_code, mask);
- }
- else {
- nevents = GetKeyboardEvents(xf86Events, device,
- is_down ? KeyPress : KeyRelease,
- key_code);
- }
-
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-}
-
-void
-xf86PostKeyboardEvent(DeviceIntPtr device,
- unsigned int key_code,
- int is_down)
-{
- ValuatorMask mask;
-
- valuator_mask_zero(&mask);
- xf86PostKeyEventM(device, key_code, is_down, 0, &mask);
-}
-
-InputInfoPtr
-xf86FirstLocalDevice(void)
-{
- return xf86InputDevs;
-}
-
-/*
- * Cx - raw data from touch screen
- * to_max - scaled highest dimension
- * (remember, this is of rows - 1 because of 0 origin)
- * to_min - scaled lowest dimension
- * from_max - highest raw value from touch screen calibration
- * from_min - lowest raw value from touch screen calibration
- *
- * This function is the same for X or Y coordinates.
- * You may have to reverse the high and low values to compensate for
- * different orgins on the touch screen vs X.
- *
- * e.g. to scale from device coordinates into screen coordinates, call
- * xf86ScaleAxis(x, 0, screen_width, dev_min, dev_max);
- */
-
-int
-xf86ScaleAxis(int Cx,
- int to_max,
- int to_min,
- int from_max,
- int from_min )
-{
- int X;
- int64_t to_width = to_max - to_min;
- int64_t from_width = from_max - from_min;
-
- if (from_width) {
- X = (int)(((to_width * (Cx - from_min)) / from_width) + to_min);
- }
- else {
- X = 0;
- ErrorF ("Divide by Zero in xf86ScaleAxis\n");
- }
-
- if (X > to_max)
- X = to_max;
- if (X < to_min)
- X = to_min;
-
- return X;
-}
-
-/*
- * This function checks the given screen against the current screen and
- * makes changes if appropriate. It should be called from an XInput driver's
- * ReadInput function before any events are posted, if the device is screen
- * specific like a touch screen.
- */
-void
-xf86XInputSetScreen(InputInfoPtr pInfo,
- int screen_number,
- int x,
- int y)
-{
- if (miPointerGetScreen(pInfo->dev) !=
- screenInfo.screens[screen_number]) {
- miPointerSetScreen(pInfo->dev, screen_number, x, y);
- }
-}
-
-
-void
-xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
- int resolution, int min_res, int max_res, int mode)
-{
- if (!dev || !dev->valuator)
- return;
-
- InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, min_res,
- max_res, mode);
-}
-
-/*
- * Set the valuator values to be in synch with dix/event.c
- * DefineInitialRootWindow().
- */
-void
-xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum)
-{
- if (axnum == 0) {
- dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
- dev->last.valuators[0] = dev->valuator->axisVal[0];
- }
- else if (axnum == 1) {
- dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
- dev->last.valuators[1] = dev->valuator->axisVal[1];
- }
-}
-
-
-/**
- * Deactivate a device. Call this function from the driver if you receive a
- * read error or something else that spoils your day.
- * Device will be moved to the off_devices list, but it will still be there
- * until you really clean up after it.
- * Notifies the client about an inactive device.
- *
- * @param panic True if device is unrecoverable and needs to be removed.
- */
-void
-xf86DisableDevice(DeviceIntPtr dev, Bool panic)
-{
- if(!panic)
- {
- DisableDevice(dev, TRUE);
- } else
- {
- SendDevicePresenceEvent(dev->id, DeviceUnrecoverable);
- DeleteInputDeviceRequest(dev);
- }
-}
-
-/**
- * Reactivate a device. Call this function from the driver if you just found
- * out that the read error wasn't quite that bad after all.
- * Device will be re-activated, and an event sent to the client.
- */
-void
-xf86EnableDevice(DeviceIntPtr dev)
-{
- EnableDevice(dev, TRUE);
-}
-
-/* end of xf86Xinput.c */
+/*
+ * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Frederic Lepied not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Frederic Lepied makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL 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
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/*
+ * Copyright (c) 2000-2002 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/Xfuncproto.h>
+#include <X11/Xmd.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/Xatom.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86Config.h"
+#include "xf86Xinput.h"
+#include "xf86Optrec.h"
+#include "mipointer.h"
+#include "extinit.h"
+#include "loaderProcs.h"
+
+#include "exevents.h" /* AddInputDevice */
+#include "exglobals.h"
+#include "eventstr.h"
+#include "inpututils.h"
+
+#include <string.h> /* InputClassMatches */
+#ifdef HAVE_FNMATCH_H
+#include <fnmatch.h>
+#endif
+#ifdef HAVE_SYS_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+
+#include <stdarg.h>
+#include <stdint.h> /* for int64_t */
+
+#include "mi.h"
+
+#include <ptrveloc.h> /* dix pointer acceleration */
+#include <xserver-properties.h>
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+#include "xkbsrv.h"
+
+/* Valuator verification macro */
+#define XI_VERIFY_VALUATORS(num_valuators) \
+ if (num_valuators > MAX_VALUATORS) { \
+ xf86Msg(X_ERROR, "%s: num_valuator %d is greater than" \
+ " MAX_VALUATORS\n", __FUNCTION__, num_valuators); \
+ return; \
+ }
+
+EventListPtr xf86Events = NULL;
+
+static int
+xf86InputDevicePostInit(DeviceIntPtr dev);
+
+/**
+ * Eval config and modify DeviceVelocityRec accordingly
+ */
+static void
+ProcessVelocityConfiguration(DeviceIntPtr pDev, char* devname, pointer list,
+ DeviceVelocityPtr s)
+{
+ int tempi;
+ float tempf;
+ Atom float_prop = XIGetKnownProperty(XATOM_FLOAT);
+ Atom prop;
+
+ if(!s)
+ return;
+
+ /* common settings (available via device properties) */
+ tempf = xf86SetRealOption(list, "ConstantDeceleration", 1.0);
+ if (tempf > 1.0) {
+ xf86Msg(X_CONFIG, "%s: (accel) constant deceleration by %.1f\n",
+ devname, tempf);
+ prop = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ tempf = xf86SetRealOption(list, "AdaptiveDeceleration", 1.0);
+ if (tempf > 1.0) {
+ xf86Msg(X_CONFIG, "%s: (accel) adaptive deceleration by %.1f\n",
+ devname, tempf);
+ prop = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ /* select profile by number */
+ tempi = xf86SetIntOption(list, "AccelerationProfile",
+ s->statistics.profile_number);
+
+ prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
+ if (XIChangeDeviceProperty(pDev, prop, XA_INTEGER, 32,
+ PropModeReplace, 1, &tempi, FALSE) == Success) {
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i\n", devname,
+ tempi);
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i is unknown\n",
+ devname, tempi);
+ }
+
+ /* set scaling */
+ tempf = xf86SetRealOption(list, "ExpectedRate", 0);
+ prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
+ if (tempf > 0) {
+ tempf = 1000.0 / tempf;
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ } else {
+ tempf = xf86SetRealOption(list, "VelocityScale", s->corr_mul);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ tempi = xf86SetIntOption(list, "VelocityTrackerCount", -1);
+ if (tempi > 1)
+ InitTrackers(s, tempi);
+
+ s->initial_range = xf86SetIntOption(list, "VelocityInitialRange",
+ s->initial_range);
+
+ s->max_diff = xf86SetRealOption(list, "VelocityAbsDiff", s->max_diff);
+
+ tempf = xf86SetRealOption(list, "VelocityRelDiff", -1);
+ if (tempf >= 0) {
+ xf86Msg(X_CONFIG, "%s: (accel) max rel. velocity difference: %.1f%%\n",
+ devname, tempf*100.0);
+ s->max_rel_diff = tempf;
+ }
+
+ /* Configure softening. If const deceleration is used, this is expected
+ * to provide better subpixel information so we enable
+ * softening by default only if ConstantDeceleration is not used
+ */
+ s->use_softening = xf86SetBoolOption(list, "Softening",
+ s->const_acceleration == 1.0);
+
+ s->average_accel = xf86SetBoolOption(list, "AccelerationProfileAveraging",
+ s->average_accel);
+
+ s->reset_time = xf86SetIntOption(list, "VelocityReset", s->reset_time);
+}
+
+static void
+ApplyAccelerationSettings(DeviceIntPtr dev){
+ int scheme, i;
+ DeviceVelocityPtr pVel;
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+ char* schemeStr;
+
+ if (dev->valuator && dev->ptrfeed) {
+ schemeStr = xf86SetStrOption(pInfo->options, "AccelerationScheme", "");
+
+ scheme = dev->valuator->accelScheme.number;
+
+ if (!xf86NameCmp(schemeStr, "predictable"))
+ scheme = PtrAccelPredictable;
+
+ if (!xf86NameCmp(schemeStr, "lightweight"))
+ scheme = PtrAccelLightweight;
+
+ if (!xf86NameCmp(schemeStr, "none"))
+ scheme = PtrAccelNoOp;
+
+ /* reinit scheme if needed */
+ if (dev->valuator->accelScheme.number != scheme) {
+ if (dev->valuator->accelScheme.AccelCleanupProc) {
+ dev->valuator->accelScheme.AccelCleanupProc(dev);
+ }
+
+ if (InitPointerAccelerationScheme(dev, scheme)) {
+ xf86Msg(X_CONFIG, "%s: (accel) selected scheme %s/%i\n",
+ pInfo->name, schemeStr, scheme);
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) could not init scheme %s\n",
+ pInfo->name, schemeStr);
+ scheme = dev->valuator->accelScheme.number;
+ }
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) keeping acceleration scheme %i\n",
+ pInfo->name, scheme);
+ }
+
+ free(schemeStr);
+
+ /* process special configuration */
+ switch (scheme) {
+ case PtrAccelPredictable:
+ pVel = GetDevicePredictableAccelData(dev);
+ ProcessVelocityConfiguration (dev, pInfo->name, pInfo->options,
+ pVel);
+ break;
+ }
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationNumerator",
+ dev->ptrfeed->ctrl.num);
+ if (i >= 0)
+ dev->ptrfeed->ctrl.num = i;
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationDenominator",
+ dev->ptrfeed->ctrl.den);
+ if (i > 0)
+ dev->ptrfeed->ctrl.den = i;
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationThreshold",
+ dev->ptrfeed->ctrl.threshold);
+ if (i >= 0)
+ dev->ptrfeed->ctrl.threshold = i;
+
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration factor: %.3f\n",
+ pInfo->name, ((float)dev->ptrfeed->ctrl.num)/
+ ((float)dev->ptrfeed->ctrl.den));
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration threshold: %i\n",
+ pInfo->name, dev->ptrfeed->ctrl.threshold);
+ }
+}
+
+/***********************************************************************
+ *
+ * xf86ProcessCommonOptions --
+ *
+ * Process global options.
+ *
+ ***********************************************************************
+ */
+void
+xf86ProcessCommonOptions(InputInfoPtr pInfo,
+ pointer list)
+{
+ if (xf86SetBoolOption(list, "Floating", 0) ||
+ !xf86SetBoolOption(list, "AlwaysCore", 1) ||
+ !xf86SetBoolOption(list, "SendCoreEvents", 1) ||
+ !xf86SetBoolOption(list, "CorePointer", 1) ||
+ !xf86SetBoolOption(list, "CoreKeyboard", 1)) {
+ xf86Msg(X_CONFIG, "%s: doesn't report core events\n", pInfo->name);
+ } else {
+ pInfo->flags |= XI86_ALWAYS_CORE;
+ xf86Msg(X_CONFIG, "%s: always reports core events\n", pInfo->name);
+ }
+}
+
+/***********************************************************************
+ *
+ * xf86ActivateDevice --
+ *
+ * Initialize an input device.
+ *
+ * Returns TRUE on success, or FALSE otherwise.
+ ***********************************************************************
+ */
+static DeviceIntPtr
+xf86ActivateDevice(InputInfoPtr pInfo)
+{
+ DeviceIntPtr dev;
+ Atom atom;
+
+ dev = AddInputDevice(serverClient, pInfo->device_control, TRUE);
+
+ if (dev == NULL)
+ {
+ xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n",
+ pInfo->name);
+ pInfo->dev = NULL;
+ return NULL;
+ }
+
+ atom = MakeAtom(pInfo->type_name, strlen(pInfo->type_name), TRUE);
+ AssignTypeAndName(dev, atom, pInfo->name);
+ dev->public.devicePrivate = pInfo;
+ pInfo->dev = dev;
+
+ dev->coreEvents = pInfo->flags & XI86_ALWAYS_CORE;
+ dev->type = SLAVE;
+ dev->spriteInfo->spriteOwner = FALSE;
+
+ dev->config_info = xf86SetStrOption(pInfo->options, "config_info", NULL);
+
+ if (serverGeneration == 1)
+ xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
+ pInfo->name, pInfo->type_name);
+
+ return dev;
+}
+
+/****************************************************************************
+ *
+ * Caller: ProcXSetDeviceMode
+ *
+ * Change the mode of an extension device.
+ * This function is used to change the mode of a device from reporting
+ * relative motion to reporting absolute positional information, and
+ * vice versa.
+ * The default implementation below is that no such devices are supported.
+ *
+ ***********************************************************************
+ */
+
+int
+SetDeviceMode (ClientPtr client, DeviceIntPtr dev, int mode)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+
+ if (pInfo->switch_mode) {
+ return (*pInfo->switch_mode)(client, dev, mode);
+ }
+ else
+ return BadMatch;
+}
+
+
+/***********************************************************************
+ *
+ * Caller: ProcXSetDeviceValuators
+ *
+ * Set the value of valuators on an extension input device.
+ * This function is used to set the initial value of valuators on
+ * those input devices that are capable of reporting either relative
+ * motion or an absolute position, and allow an initial position to be set.
+ * The default implementation below is that no such devices are supported.
+ *
+ ***********************************************************************
+ */
+
+int
+SetDeviceValuators (ClientPtr client, DeviceIntPtr dev, int *valuators,
+ int first_valuator, int num_valuators)
+{
+ InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate;
+
+ if (pInfo->set_device_valuators)
+ return (*pInfo->set_device_valuators)(pInfo, valuators, first_valuator,
+ num_valuators);
+
+ return BadMatch;
+}
+
+
+/***********************************************************************
+ *
+ * Caller: ProcXChangeDeviceControl
+ *
+ * Change the specified device controls on an extension input device.
+ *
+ ***********************************************************************
+ */
+
+int
+ChangeDeviceControl (ClientPtr client, DeviceIntPtr dev, xDeviceCtl *control)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+
+ if (!pInfo->control_proc) {
+ switch (control->control) {
+ case DEVICE_CORE:
+ return BadMatch;
+ case DEVICE_RESOLUTION:
+ case DEVICE_ABS_CALIB:
+ case DEVICE_ABS_AREA:
+ case DEVICE_ENABLE:
+ return Success;
+ default:
+ return BadMatch;
+ }
+ }
+ else {
+ return (*pInfo->control_proc)(pInfo, control);
+ }
+}
+
+/*
+ * Get the operating system name from uname and store it statically to avoid
+ * repeating the system call each time MatchOS is checked.
+ */
+static const char *
+HostOS(void)
+{
+#ifdef HAVE_SYS_UTSNAME_H
+ struct utsname name;
+ static char host_os[sizeof(name.sysname)] = "";
+
+ if (*host_os == '\0') {
+ if (uname(&name) >= 0)
+ strcpy(host_os, name.sysname);
+ else {
+ strncpy(host_os, "unknown", sizeof(host_os));
+ host_os[sizeof(host_os)-1] = '\0';
+ }
+ }
+ return host_os;
+#else
+ return "";
+#endif
+}
+
+static int
+match_substring(const char *attr, const char *pattern)
+{
+ return (strstr(attr, pattern)) ? 0 : -1;
+}
+
+#ifdef HAVE_FNMATCH_H
+static int
+match_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, 0);
+}
+#else
+#define match_pattern match_substring
+#endif
+
+#ifdef HAVE_FNMATCH_H
+static int
+match_path_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, FNM_PATHNAME);
+}
+#else
+#define match_path_pattern match_substring
+#endif
+
+/*
+ * Match an attribute against a list of NULL terminated arrays of patterns.
+ * If a pattern in each list entry is matched, return TRUE.
+ */
+static Bool
+MatchAttrToken(const char *attr, struct list *patterns,
+ int (*compare)(const char *attr, const char *pattern))
+{
+ const xf86MatchGroup *group;
+
+ /* If there are no patterns, accept the match */
+ if (list_is_empty(patterns))
+ return TRUE;
+
+ /* If there are patterns but no attribute, reject the match */
+ if (!attr)
+ return FALSE;
+
+ /*
+ * Otherwise, iterate the list of patterns ensuring each entry has a
+ * match. Each list entry is a separate Match line of the same type.
+ */
+ list_for_each_entry(group, patterns, entry) {
+ char * const *cur;
+ Bool match = FALSE;
+
+ for (cur = group->values; *cur; cur++)
+ if ((*compare)(attr, *cur) == 0) {
+ match = TRUE;
+ break;
+ }
+ if (!match)
+ return FALSE;
+ }
+
+ /* All the entries in the list matched the attribute */
+ return TRUE;
+}
+
+/*
+ * Classes without any Match statements match all devices. Otherwise, all
+ * statements must match.
+ */
+static Bool
+InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev,
+ const InputAttributes *attrs)
+{
+ /* MatchProduct substring */
+ if (!MatchAttrToken(attrs->product, &iclass->match_product, match_substring))
+ return FALSE;
+
+ /* MatchVendor substring */
+ if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring))
+ return FALSE;
+
+ /* MatchDevicePath pattern */
+ if (!MatchAttrToken(attrs->device, &iclass->match_device, match_path_pattern))
+ return FALSE;
+
+ /* MatchOS case-insensitive string */
+ if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp))
+ return FALSE;
+
+ /* MatchPnPID pattern */
+ if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern))
+ return FALSE;
+
+ /* MatchUSBID pattern */
+ if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern))
+ return FALSE;
+
+ /* MatchDriver string */
+ if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp))
+ return FALSE;
+
+ /*
+ * MatchTag string
+ * See if any of the device's tags match any of the MatchTag tokens.
+ */
+ if (!list_is_empty(&iclass->match_tag)) {
+ char * const *tag;
+ Bool match;
+
+ if (!attrs->tags)
+ return FALSE;
+ for (tag = attrs->tags, match = FALSE; *tag; tag++) {
+ if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) {
+ match = TRUE;
+ break;
+ }
+ }
+ if (!match)
+ return FALSE;
+ }
+
+ /* MatchIs* booleans */
+ if (iclass->is_keyboard.set &&
+ iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))
+ return FALSE;
+ if (iclass->is_pointer.set &&
+ iclass->is_pointer.val != !!(attrs->flags & ATTR_POINTER))
+ return FALSE;
+ if (iclass->is_joystick.set &&
+ iclass->is_joystick.val != !!(attrs->flags & ATTR_JOYSTICK))
+ return FALSE;
+ if (iclass->is_tablet.set &&
+ iclass->is_tablet.val != !!(attrs->flags & ATTR_TABLET))
+ return FALSE;
+ if (iclass->is_touchpad.set &&
+ iclass->is_touchpad.val != !!(attrs->flags & ATTR_TOUCHPAD))
+ return FALSE;
+ if (iclass->is_touchscreen.set &&
+ iclass->is_touchscreen.val != !!(attrs->flags & ATTR_TOUCHSCREEN))
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * Merge in any InputClass configurations. Options in each InputClass
+ * section have more priority than the original device configuration as
+ * well as any previous InputClass sections.
+ */
+static int
+MergeInputClasses(const InputInfoPtr idev, const InputAttributes *attrs)
+{
+ XF86ConfInputClassPtr cl;
+ XF86OptionPtr classopts;
+
+ for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
+ if (!InputClassMatches(cl, idev, attrs))
+ continue;
+
+ /* Collect class options and driver settings */
+ classopts = xf86optionListDup(cl->option_lst);
+ if (cl->driver) {
+ free(idev->driver);
+ idev->driver = xstrdup(cl->driver);
+ if (!idev->driver) {
+ xf86Msg(X_ERROR, "Failed to allocate memory while merging "
+ "InputClass configuration");
+ return BadAlloc;
+ }
+ classopts = xf86ReplaceStrOption(classopts, "driver",
+ idev->driver);
+ }
+
+ /* Apply options to device with InputClass settings preferred. */
+ xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n",
+ idev->name, cl->identifier);
+ idev->options = xf86optionListMerge(idev->options, classopts);
+ }
+
+ return Success;
+}
+
+/*
+ * Iterate the list of classes and look for Option "Ignore". Return the
+ * value of the last matching class and holler when returning TRUE.
+ */
+static Bool
+IgnoreInputClass(const InputInfoPtr idev, const InputAttributes *attrs)
+{
+ XF86ConfInputClassPtr cl;
+ Bool ignore = FALSE;
+ const char *ignore_class;
+
+ for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
+ if (!InputClassMatches(cl, idev, attrs))
+ continue;
+ if (xf86findOption(cl->option_lst, "Ignore")) {
+ ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
+ ignore_class = cl->identifier;
+ }
+ }
+
+ if (ignore)
+ xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n",
+ idev->name, ignore_class);
+ return ignore;
+}
+
+InputInfoPtr
+xf86AllocateInput(void)
+{
+ InputInfoPtr pInfo;
+
+ pInfo = calloc(sizeof(*pInfo), 1);
+ if (!pInfo)
+ return NULL;
+
+ pInfo->fd = -1;
+ pInfo->type_name = "UNKNOWN";
+
+ return pInfo;
+}
+
+/* Append InputInfoRec to the tail of xf86InputDevs. */
+static void
+xf86AddInput(InputDriverPtr drv, InputInfoPtr pInfo)
+{
+ InputInfoPtr *prev = NULL;
+
+ pInfo->drv = drv;
+ pInfo->module = DuplicateModule(drv->module, NULL);
+
+ for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next)
+ ;
+
+ *prev = pInfo;
+ pInfo->next = NULL;
+
+ xf86CollectInputOptions(pInfo, (const char**)drv->default_options);
+ xf86OptionListReport(pInfo->options);
+ xf86ProcessCommonOptions(pInfo, pInfo->options);
+}
+
+/*
+ * Remove an entry from xf86InputDevs and free all the device's information.
+ */
+void
+xf86DeleteInput(InputInfoPtr pInp, int flags)
+{
+ /* First check if the inputdev is valid. */
+ if (pInp == NULL)
+ return;
+
+ if (pInp->module)
+ UnloadModule(pInp->module);
+
+ /* This should *really* be handled in drv->UnInit(dev) call instead, but
+ * if the driver forgets about it make sure we free it or at least crash
+ * with flying colors */
+ free(pInp->private);
+
+ FreeInputAttributes(pInp->attrs);
+
+ /* Remove the entry from the list. */
+ if (pInp == xf86InputDevs)
+ xf86InputDevs = pInp->next;
+ else {
+ InputInfoPtr p = xf86InputDevs;
+ while (p && p->next != pInp)
+ p = p->next;
+ if (p)
+ p->next = pInp->next;
+ /* Else the entry wasn't in the xf86InputDevs list (ignore this). */
+ }
+
+ free(pInp->driver);
+ free(pInp->name);
+ xf86optionListFree(pInp->options);
+ free(pInp);
+}
+
+/*
+ * Apply backend-specific initialization. Invoked after ActiveteDevice(),
+ * i.e. after the driver successfully completed DEVICE_INIT and the device
+ * is advertised.
+ * @param dev the device
+ * @return Success or an error code
+ */
+static int
+xf86InputDevicePostInit(DeviceIntPtr dev) {
+ ApplyAccelerationSettings(dev);
+ return Success;
+}
+
+/**
+ * Create a new input device, activate and enable it.
+ *
+ * Possible return codes:
+ * BadName .. a bad driver name was supplied.
+ * BadImplementation ... The driver does not have a PreInit function. This
+ * is a driver bug.
+ * BadMatch .. device initialization failed.
+ * BadAlloc .. too many input devices
+ *
+ * @param idev The device, already set up with identifier, driver, and the
+ * options.
+ * @param pdev Pointer to the new device, if Success was reported.
+ * @param enable Enable the device after activating it.
+ *
+ * @return Success or an error code
+ */
+_X_INTERNAL int
+xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
+{
+ InputDriverPtr drv = NULL;
+ DeviceIntPtr dev = NULL;
+ int rval;
+
+ /* Memory leak for every attached device if we don't
+ * test if the module is already loaded first */
+ drv = xf86LookupInputDriver(pInfo->driver);
+ if (!drv)
+ if (xf86LoadOneModule(pInfo->driver, NULL))
+ drv = xf86LookupInputDriver(pInfo->driver);
+ if (!drv) {
+ xf86Msg(X_ERROR, "No input driver matching `%s'\n", pInfo->driver);
+ rval = BadName;
+ goto unwind;
+ }
+
+ if (!drv->PreInit) {
+ xf86Msg(X_ERROR,
+ "Input driver `%s' has no PreInit function (ignoring)\n",
+ drv->driverName);
+ rval = BadImplementation;
+ goto unwind;
+ }
+
+ xf86AddInput(drv, pInfo);
+
+ rval = drv->PreInit(drv, pInfo, 0);
+
+ if (rval != Success) {
+ xf86Msg(X_ERROR, "PreInit returned %d for \"%s\"\n", rval, pInfo->name);
+ goto unwind;
+ }
+
+ if (!(dev = xf86ActivateDevice(pInfo)))
+ {
+ rval = BadAlloc;
+ goto unwind;
+ }
+
+ rval = ActivateDevice(dev, TRUE);
+ if (rval != Success)
+ {
+ xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
+ RemoveDevice(dev, TRUE);
+ goto unwind;
+ }
+
+ rval = xf86InputDevicePostInit(dev);
+ if (rval != Success)
+ {
+ xf86Msg(X_ERROR, "Couldn't post-init device \"%s\"\n", pInfo->name);
+ RemoveDevice(dev, TRUE);
+ goto unwind;
+ }
+
+ /* Enable it if it's properly initialised and we're currently in the VT */
+ if (enable && dev->inited && dev->startup && xf86Screens[0]->vtSema)
+ {
+ EnableDevice(dev, TRUE);
+ if (!dev->enabled)
+ {
+ xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
+ rval = BadMatch;
+ goto unwind;
+ }
+ /* send enter/leave event, update sprite window */
+ CheckMotion(NULL, dev);
+ }
+
+ *pdev = dev;
+ return Success;
+
+unwind:
+ if(pInfo) {
+ if(drv && drv->UnInit)
+ drv->UnInit(drv, pInfo, 0);
+ else
+ xf86DeleteInput(pInfo, 0);
+ }
+ return rval;
+}
+
+int
+NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
+ DeviceIntPtr *pdev)
+{
+ InputInfoPtr pInfo = NULL;
+ InputOption *option = NULL;
+ int rval = Success;
+ int is_auto = 0;
+
+ pInfo = xf86AllocateInput();
+ if (!pInfo)
+ return BadAlloc;
+
+ for (option = options; option; option = option->next) {
+ if (strcasecmp(option->key, "driver") == 0) {
+ if (pInfo->driver) {
+ rval = BadRequest;
+ goto unwind;
+ }
+ pInfo->driver = xstrdup(option->value);
+ if (!pInfo->driver) {
+ rval = BadAlloc;
+ goto unwind;
+ }
+ }
+
+ if (strcasecmp(option->key, "name") == 0 ||
+ strcasecmp(option->key, "identifier") == 0) {
+ if (pInfo->name) {
+ rval = BadRequest;
+ goto unwind;
+ }
+ pInfo->name = xstrdup(option->value);
+ if (!pInfo->name) {
+ rval = BadAlloc;
+ goto unwind;
+ }
+ }
+
+ if (strcmp(option->key, "_source") == 0 &&
+ (strcmp(option->value, "server/hal") == 0 ||
+ strcmp(option->value, "server/udev") == 0)) {
+ is_auto = 1;
+ if (!xf86Info.autoAddDevices) {
+ rval = BadMatch;
+ goto unwind;
+ }
+ }
+ }
+
+ for (option = options; option; option = option->next) {
+ /* Steal option key/value strings from the provided list.
+ * We need those strings, the InputOption list doesn't. */
+ pInfo->options = xf86addNewOption(pInfo->options,
+ option->key, option->value);
+ option->key = NULL;
+ option->value = NULL;
+ }
+
+ /* Apply InputClass settings */
+ if (attrs) {
+ if (IgnoreInputClass(pInfo, attrs)) {
+ rval = BadIDChoice;
+ goto unwind;
+ }
+
+ rval = MergeInputClasses(pInfo, attrs);
+ if (rval != Success)
+ goto unwind;
+
+ pInfo->attrs = DuplicateInputAttributes(attrs);
+ }
+
+ if (!pInfo->driver || !pInfo->name) {
+ xf86Msg(X_INFO, "No input driver/identifier specified (ignoring)\n");
+ rval = BadRequest;
+ goto unwind;
+ }
+
+ if (!pInfo->name) {
+ xf86Msg(X_ERROR, "No device identifier specified (ignoring)\n");
+ rval = BadMatch;
+ goto unwind;
+ }
+
+ rval = xf86NewInputDevice(pInfo, pdev,
+ (!is_auto || (is_auto && xf86Info.autoEnableDevices)));
+
+ return rval;
+
+unwind:
+ if (is_auto && !xf86Info.autoAddDevices)
+ xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n");
+ xf86DeleteInput(pInfo, 0);
+ return rval;
+}
+
+void
+DeleteInputDeviceRequest(DeviceIntPtr pDev)
+{
+ InputInfoPtr pInfo = (InputInfoPtr) pDev->public.devicePrivate;
+ InputDriverPtr drv = NULL;
+ Bool isMaster = IsMaster(pDev);
+
+ if (pInfo) /* need to get these before RemoveDevice */
+ drv = pInfo->drv;
+
+ OsBlockSignals();
+ RemoveDevice(pDev, TRUE);
+
+ if (!isMaster && pInfo != NULL)
+ {
+ if(drv->UnInit)
+ drv->UnInit(drv, pInfo, 0);
+ else
+ xf86DeleteInput(pInfo, 0);
+ }
+ OsReleaseSignals();
+}
+
+/*
+ * convenient functions to post events
+ */
+
+void
+xf86PostMotionEvent(DeviceIntPtr device,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i = 0;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostMotionEventM(device, is_absolute, &mask);
+}
+
+void
+xf86PostMotionEventP(DeviceIntPtr device,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostMotionEventM(device, is_absolute, &mask);
+}
+
+void
+xf86PostMotionEventM(DeviceIntPtr device,
+ int is_absolute,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+ DeviceEvent *event;
+ int flags = 0;
+
+#if XFreeXDGA
+ int index;
+ int dx = 0, dy = 0;
+#endif
+
+ if (valuator_mask_num_valuators(mask) > 0)
+ {
+ if (is_absolute)
+ flags = POINTER_ABSOLUTE;
+ else
+ flags = POINTER_RELATIVE | POINTER_ACCELERATE;
+ }
+
+#if XFreeXDGA
+ /* The evdev driver may not always send all axes across. */
+ if (valuator_mask_isset(mask, 0) ||
+ valuator_mask_isset(mask, 1))
+ if (miPointerGetScreen(device)) {
+ index = miPointerGetScreen(device)->myNum;
+ if (valuator_mask_isset(mask, 0))
+ {
+ dx = valuator_mask_get(mask, 0);
+ if (is_absolute)
+ dx -= device->last.valuators[0];
+ }
+
+ if (valuator_mask_isset(mask, 1))
+ {
+ dy = valuator_mask_get(mask, 1);
+ if (is_absolute)
+ dy -= device->last.valuators[1];
+ }
+
+ if (DGAStealMotionEvent(device, index, dx, dy))
+ return;
+ }
+#endif
+
+ nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0, flags, mask);
+
+ for (i = 0; i < nevents; i++) {
+ event = (DeviceEvent*)((xf86Events + i)->event);
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+ }
+}
+
+void
+xf86PostProximityEvent(DeviceIntPtr device,
+ int is_in,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostProximityEventM(device, is_in, &mask);
+}
+
+void
+xf86PostProximityEventP(DeviceIntPtr device,
+ int is_in,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostProximityEventM(device, is_in, &mask);
+}
+
+void
+xf86PostProximityEventM(DeviceIntPtr device,
+ int is_in,
+ const ValuatorMask *mask)
+{
+ int i, nevents;
+
+ nevents = GetProximityEvents(xf86Events, device,
+ is_in ? ProximityIn : ProximityOut, mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+
+}
+
+void
+xf86PostButtonEvent(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ ValuatorMask mask;
+ int i = 0;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
+}
+
+void
+xf86PostButtonEventP(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
+}
+
+void
+xf86PostButtonEventM(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+ int flags = 0;
+
+#if XFreeXDGA
+ int index;
+#endif
+
+ if (valuator_mask_num_valuators(mask) > 0)
+ {
+ if (is_absolute)
+ flags = POINTER_ABSOLUTE;
+ else
+ flags = POINTER_RELATIVE | POINTER_ACCELERATE;
+ }
+
+#if XFreeXDGA
+ if (miPointerGetScreen(device)) {
+ index = miPointerGetScreen(device)->myNum;
+ if (DGAStealButtonEvent(device, index, button, is_down))
+ return;
+ }
+#endif
+
+ nevents = GetPointerEvents(xf86Events, device,
+ is_down ? ButtonPress : ButtonRelease, button,
+ flags, mask);
+
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+
+}
+
+void
+xf86PostKeyEvent(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i = 0;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
+}
+
+void
+xf86PostKeyEventP(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
+}
+
+void
+xf86PostKeyEventM(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+
+ if (is_absolute) {
+ nevents = GetKeyboardValuatorEvents(xf86Events, device,
+ is_down ? KeyPress : KeyRelease,
+ key_code, mask);
+ }
+ else {
+ nevents = GetKeyboardEvents(xf86Events, device,
+ is_down ? KeyPress : KeyRelease,
+ key_code);
+ }
+
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+}
+
+void
+xf86PostKeyboardEvent(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down)
+{
+ ValuatorMask mask;
+
+ valuator_mask_zero(&mask);
+ xf86PostKeyEventM(device, key_code, is_down, 0, &mask);
+}
+
+InputInfoPtr
+xf86FirstLocalDevice(void)
+{
+ return xf86InputDevs;
+}
+
+/*
+ * Cx - raw data from touch screen
+ * to_max - scaled highest dimension
+ * (remember, this is of rows - 1 because of 0 origin)
+ * to_min - scaled lowest dimension
+ * from_max - highest raw value from touch screen calibration
+ * from_min - lowest raw value from touch screen calibration
+ *
+ * This function is the same for X or Y coordinates.
+ * You may have to reverse the high and low values to compensate for
+ * different orgins on the touch screen vs X.
+ *
+ * e.g. to scale from device coordinates into screen coordinates, call
+ * xf86ScaleAxis(x, 0, screen_width, dev_min, dev_max);
+ */
+
+int
+xf86ScaleAxis(int Cx,
+ int to_max,
+ int to_min,
+ int from_max,
+ int from_min )
+{
+ int X;
+ int64_t to_width = to_max - to_min;
+ int64_t from_width = from_max - from_min;
+
+ if (from_width) {
+ X = (int)(((to_width * (Cx - from_min)) / from_width) + to_min);
+ }
+ else {
+ X = 0;
+ ErrorF ("Divide by Zero in xf86ScaleAxis\n");
+ }
+
+ if (X > to_max)
+ X = to_max;
+ if (X < to_min)
+ X = to_min;
+
+ return X;
+}
+
+/*
+ * This function checks the given screen against the current screen and
+ * makes changes if appropriate. It should be called from an XInput driver's
+ * ReadInput function before any events are posted, if the device is screen
+ * specific like a touch screen.
+ */
+void
+xf86XInputSetScreen(InputInfoPtr pInfo,
+ int screen_number,
+ int x,
+ int y)
+{
+ if (miPointerGetScreen(pInfo->dev) !=
+ screenInfo.screens[screen_number]) {
+ miPointerSetScreen(pInfo->dev, screen_number, x, y);
+ }
+}
+
+
+void
+xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
+ int resolution, int min_res, int max_res, int mode)
+{
+ if (!dev || !dev->valuator)
+ return;
+
+ InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, min_res,
+ max_res, mode);
+}
+
+/*
+ * Set the valuator values to be in synch with dix/event.c
+ * DefineInitialRootWindow().
+ */
+void
+xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum)
+{
+ if (axnum == 0) {
+ dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
+ dev->last.valuators[0] = dev->valuator->axisVal[0];
+ }
+ else if (axnum == 1) {
+ dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
+ dev->last.valuators[1] = dev->valuator->axisVal[1];
+ }
+}
+
+
+/**
+ * Deactivate a device. Call this function from the driver if you receive a
+ * read error or something else that spoils your day.
+ * Device will be moved to the off_devices list, but it will still be there
+ * until you really clean up after it.
+ * Notifies the client about an inactive device.
+ *
+ * @param panic True if device is unrecoverable and needs to be removed.
+ */
+void
+xf86DisableDevice(DeviceIntPtr dev, Bool panic)
+{
+ if(!panic)
+ {
+ DisableDevice(dev, TRUE);
+ } else
+ {
+ SendDevicePresenceEvent(dev->id, DeviceUnrecoverable);
+ DeleteInputDeviceRequest(dev);
+ }
+}
+
+/**
+ * Reactivate a device. Call this function from the driver if you just found
+ * out that the read error wasn't quite that bad after all.
+ * Device will be re-activated, and an event sent to the client.
+ */
+void
+xf86EnableDevice(DeviceIntPtr dev)
+{
+ EnableDevice(dev, TRUE);
+}
+
+/* end of xf86Xinput.c */