diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Xinput.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Xinput.c | 2822 |
1 files changed, 1411 insertions, 1411 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c index ae22ef268..d3af0c0c2 100644 --- a/xorg-server/hw/xfree86/common/xf86Xinput.c +++ b/xorg-server/hw/xfree86/common/xf86Xinput.c @@ -1,1411 +1,1411 @@ -/* - * 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: - case DEVICE_ABS_CALIB: - case DEVICE_ABS_AREA: - return BadMatch; - case DEVICE_RESOLUTION: - 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; - } - - xf86Msg(X_INFO, "Using input driver '%s' for '%s'\n", drv->driverName, pInfo->name); - - 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) - { - OsBlockSignals(); - EnableDevice(dev, TRUE); - if (!dev->enabled) - { - OsReleaseSignals(); - 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); - OsReleaseSignals(); - } - - *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 (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)) { - int index = miPointerGetScreen(device)->myNum; - int dx = 0, dy = 0; - - 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 (valuator_mask_num_valuators(mask) > 0) - { - if (is_absolute) - flags = POINTER_ABSOLUTE; - else - flags = POINTER_RELATIVE | POINTER_ACCELERATE; - } - -#if XFreeXDGA - if (miPointerGetScreen(device)) { - int 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 XFreeXDGA - DeviceIntPtr pointer; - - /* Some pointers send key events, paired device is wrong then. */ - pointer = IsPointerDevice(device) ? device : GetPairedDevice(device); - if (miPointerGetScreen(pointer)) { - int index = miPointerGetScreen(pointer)->myNum; - - if (DGAStealKeyEvent(device, index, key_code, is_down)) - return; - } -#endif - - 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:
+ case DEVICE_ABS_CALIB:
+ case DEVICE_ABS_AREA:
+ return BadMatch;
+ case DEVICE_RESOLUTION:
+ 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;
+ }
+
+ xf86Msg(X_INFO, "Using input driver '%s' for '%s'\n", drv->driverName, pInfo->name);
+
+ 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)
+ {
+ OsBlockSignals();
+ EnableDevice(dev, TRUE);
+ if (!dev->enabled)
+ {
+ OsReleaseSignals();
+ 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);
+ OsReleaseSignals();
+ }
+
+ *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 (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)) {
+ int index = miPointerGetScreen(device)->myNum;
+ int dx = 0, dy = 0;
+
+ 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 (valuator_mask_num_valuators(mask) > 0)
+ {
+ if (is_absolute)
+ flags = POINTER_ABSOLUTE;
+ else
+ flags = POINTER_RELATIVE | POINTER_ACCELERATE;
+ }
+
+#if XFreeXDGA
+ if (miPointerGetScreen(device)) {
+ int 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 XFreeXDGA
+ DeviceIntPtr pointer;
+
+ /* Some pointers send key events, paired device is wrong then. */
+ pointer = IsPointerDevice(device) ? device : GetPairedDevice(device);
+ if (miPointerGetScreen(pointer)) {
+ int index = miPointerGetScreen(pointer)->myNum;
+
+ if (DGAStealKeyEvent(device, index, key_code, is_down))
+ return;
+ }
+#endif
+
+ 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 */
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