| 1 | /* |
| 2 | * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org> |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of Frederic Lepied not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software without |
| 10 | * specific, written prior permission. Frederic Lepied makes no |
| 11 | * representations about the suitability of this software for any purpose. It |
| 12 | * is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 20 | * PERFORMANCE OF THIS SOFTWARE. |
| 21 | * |
| 22 | */ |
| 23 | /* |
| 24 | * Copyright (c) 2000-2002 by The XFree86 Project, Inc. |
| 25 | * |
| 26 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 27 | * copy of this software and associated documentation files (the "Software"), |
| 28 | * to deal in the Software without restriction, including without limitation |
| 29 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 30 | * and/or sell copies of the Software, and to permit persons to whom the |
| 31 | * Software is furnished to do so, subject to the following conditions: |
| 32 | * |
| 33 | * The above copyright notice and this permission notice shall be included in |
| 34 | * all copies or substantial portions of the Software. |
| 35 | * |
| 36 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 37 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 38 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 39 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 40 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 41 | * OTHER DEALINGS IN THE SOFTWARE. |
| 42 | * |
| 43 | * Except as contained in this notice, the name of the copyright holder(s) |
| 44 | * and author(s) shall not be used in advertising or otherwise to promote |
| 45 | * the sale, use or other dealings in this Software without prior written |
| 46 | * authorization from the copyright holder(s) and author(s). |
| 47 | */ |
| 48 | |
| 49 | #ifdef HAVE_XORG_CONFIG_H |
| 50 | #include <xorg-config.h> |
| 51 | #endif |
| 52 | |
| 53 | #include <X11/Xfuncproto.h> |
| 54 | #include <X11/Xmd.h> |
| 55 | #include <X11/extensions/XI.h> |
| 56 | #include <X11/extensions/XIproto.h> |
| 57 | #include <X11/Xatom.h> |
| 58 | #include "xf86.h" |
| 59 | #include "xf86Priv.h" |
| 60 | #include "xf86Config.h" |
| 61 | #include "xf86Xinput.h" |
| 62 | #include "xf86Optrec.h" |
| 63 | #include "mipointer.h" |
| 64 | #include "extinit.h" |
| 65 | #include "loaderProcs.h" |
| 66 | |
| 67 | #include "exevents.h" /* AddInputDevice */ |
| 68 | #include "exglobals.h" |
| 69 | #include "eventstr.h" |
| 70 | #include "inpututils.h" |
| 71 | #include "optionstr.h" |
| 72 | |
| 73 | #include <string.h> /* InputClassMatches */ |
| 74 | #ifdef HAVE_FNMATCH_H |
| 75 | #include <fnmatch.h> |
| 76 | #endif |
| 77 | #ifdef HAVE_SYS_UTSNAME_H |
| 78 | #include <sys/utsname.h> |
| 79 | #endif |
| 80 | |
| 81 | #include <stdarg.h> |
| 82 | #include <stdint.h> /* for int64_t */ |
| 83 | |
| 84 | #include "mi.h" |
| 85 | |
| 86 | #include <ptrveloc.h> /* dix pointer acceleration */ |
| 87 | #include <xserver-properties.h> |
| 88 | |
| 89 | #ifdef XFreeXDGA |
| 90 | #include "dgaproc.h" |
| 91 | #endif |
| 92 | |
| 93 | #include "xkbsrv.h" |
| 94 | |
| 95 | /* Valuator verification macro */ |
| 96 | #define XI_VERIFY_VALUATORS(num_valuators) \ |
| 97 | if (num_valuators > MAX_VALUATORS) { \ |
| 98 | xf86Msg(X_ERROR, "%s: num_valuator %d is greater than" \ |
| 99 | " MAX_VALUATORS\n", __FUNCTION__, num_valuators); \ |
| 100 | return; \ |
| 101 | } |
| 102 | |
| 103 | static int |
| 104 | xf86InputDevicePostInit(DeviceIntPtr dev); |
| 105 | |
| 106 | /** |
| 107 | * Eval config and modify DeviceVelocityRec accordingly |
| 108 | */ |
| 109 | static void |
| 110 | ProcessVelocityConfiguration(DeviceIntPtr pDev, char *devname, pointer list, |
| 111 | DeviceVelocityPtr s) |
| 112 | { |
| 113 | int tempi; |
| 114 | float tempf; |
| 115 | Atom float_prop = XIGetKnownProperty(XATOM_FLOAT); |
| 116 | Atom prop; |
| 117 | |
| 118 | if (!s) |
| 119 | return; |
| 120 | |
| 121 | /* common settings (available via device properties) */ |
| 122 | tempf = xf86SetRealOption(list, "ConstantDeceleration", 1.0); |
| 123 | if (tempf > 1.0) { |
| 124 | xf86Msg(X_CONFIG, "%s: (accel) constant deceleration by %.1f\n", |
| 125 | devname, tempf); |
| 126 | prop = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION); |
| 127 | XIChangeDeviceProperty(pDev, prop, float_prop, 32, |
| 128 | PropModeReplace, 1, &tempf, FALSE); |
| 129 | } |
| 130 | |
| 131 | tempf = xf86SetRealOption(list, "AdaptiveDeceleration", 1.0); |
| 132 | if (tempf > 1.0) { |
| 133 | xf86Msg(X_CONFIG, "%s: (accel) adaptive deceleration by %.1f\n", |
| 134 | devname, tempf); |
| 135 | prop = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION); |
| 136 | XIChangeDeviceProperty(pDev, prop, float_prop, 32, |
| 137 | PropModeReplace, 1, &tempf, FALSE); |
| 138 | } |
| 139 | |
| 140 | /* select profile by number */ |
| 141 | tempi = xf86SetIntOption(list, "AccelerationProfile", |
| 142 | s->statistics.profile_number); |
| 143 | |
| 144 | prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER); |
| 145 | if (XIChangeDeviceProperty(pDev, prop, XA_INTEGER, 32, |
| 146 | PropModeReplace, 1, &tempi, FALSE) == Success) { |
| 147 | xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i\n", devname, |
| 148 | tempi); |
| 149 | } |
| 150 | else { |
| 151 | xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i is unknown\n", |
| 152 | devname, tempi); |
| 153 | } |
| 154 | |
| 155 | /* set scaling */ |
| 156 | tempf = xf86SetRealOption(list, "ExpectedRate", 0); |
| 157 | prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING); |
| 158 | if (tempf > 0) { |
| 159 | tempf = 1000.0 / tempf; |
| 160 | XIChangeDeviceProperty(pDev, prop, float_prop, 32, |
| 161 | PropModeReplace, 1, &tempf, FALSE); |
| 162 | } |
| 163 | else { |
| 164 | tempf = xf86SetRealOption(list, "VelocityScale", s->corr_mul); |
| 165 | XIChangeDeviceProperty(pDev, prop, float_prop, 32, |
| 166 | PropModeReplace, 1, &tempf, FALSE); |
| 167 | } |
| 168 | |
| 169 | tempi = xf86SetIntOption(list, "VelocityTrackerCount", -1); |
| 170 | if (tempi > 1) |
| 171 | InitTrackers(s, tempi); |
| 172 | |
| 173 | s->initial_range = xf86SetIntOption(list, "VelocityInitialRange", |
| 174 | s->initial_range); |
| 175 | |
| 176 | s->max_diff = xf86SetRealOption(list, "VelocityAbsDiff", s->max_diff); |
| 177 | |
| 178 | tempf = xf86SetRealOption(list, "VelocityRelDiff", -1); |
| 179 | if (tempf >= 0) { |
| 180 | xf86Msg(X_CONFIG, "%s: (accel) max rel. velocity difference: %.1f%%\n", |
| 181 | devname, tempf * 100.0); |
| 182 | s->max_rel_diff = tempf; |
| 183 | } |
| 184 | |
| 185 | /* Configure softening. If const deceleration is used, this is expected |
| 186 | * to provide better subpixel information so we enable |
| 187 | * softening by default only if ConstantDeceleration is not used |
| 188 | */ |
| 189 | s->use_softening = xf86SetBoolOption(list, "Softening", |
| 190 | s->const_acceleration == 1.0); |
| 191 | |
| 192 | s->average_accel = xf86SetBoolOption(list, "AccelerationProfileAveraging", |
| 193 | s->average_accel); |
| 194 | |
| 195 | s->reset_time = xf86SetIntOption(list, "VelocityReset", s->reset_time); |
| 196 | } |
| 197 | |
| 198 | static void |
| 199 | ApplyAccelerationSettings(DeviceIntPtr dev) |
| 200 | { |
| 201 | int scheme, i; |
| 202 | DeviceVelocityPtr pVel; |
| 203 | InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate; |
| 204 | char *schemeStr; |
| 205 | |
| 206 | if (dev->valuator && dev->ptrfeed) { |
| 207 | schemeStr = xf86SetStrOption(pInfo->options, "AccelerationScheme", ""); |
| 208 | |
| 209 | scheme = dev->valuator->accelScheme.number; |
| 210 | |
| 211 | if (!xf86NameCmp(schemeStr, "predictable")) |
| 212 | scheme = PtrAccelPredictable; |
| 213 | |
| 214 | if (!xf86NameCmp(schemeStr, "lightweight")) |
| 215 | scheme = PtrAccelLightweight; |
| 216 | |
| 217 | if (!xf86NameCmp(schemeStr, "none")) |
| 218 | scheme = PtrAccelNoOp; |
| 219 | |
| 220 | /* reinit scheme if needed */ |
| 221 | if (dev->valuator->accelScheme.number != scheme) { |
| 222 | if (dev->valuator->accelScheme.AccelCleanupProc) { |
| 223 | dev->valuator->accelScheme.AccelCleanupProc(dev); |
| 224 | } |
| 225 | |
| 226 | if (InitPointerAccelerationScheme(dev, scheme)) { |
| 227 | xf86Msg(X_CONFIG, "%s: (accel) selected scheme %s/%i\n", |
| 228 | pInfo->name, schemeStr, scheme); |
| 229 | } |
| 230 | else { |
| 231 | xf86Msg(X_CONFIG, "%s: (accel) could not init scheme %s\n", |
| 232 | pInfo->name, schemeStr); |
| 233 | scheme = dev->valuator->accelScheme.number; |
| 234 | } |
| 235 | } |
| 236 | else { |
| 237 | xf86Msg(X_CONFIG, "%s: (accel) keeping acceleration scheme %i\n", |
| 238 | pInfo->name, scheme); |
| 239 | } |
| 240 | |
| 241 | free(schemeStr); |
| 242 | |
| 243 | /* process special configuration */ |
| 244 | switch (scheme) { |
| 245 | case PtrAccelPredictable: |
| 246 | pVel = GetDevicePredictableAccelData(dev); |
| 247 | ProcessVelocityConfiguration(dev, pInfo->name, pInfo->options, |
| 248 | pVel); |
| 249 | break; |
| 250 | } |
| 251 | |
| 252 | i = xf86SetIntOption(pInfo->options, "AccelerationNumerator", |
| 253 | dev->ptrfeed->ctrl.num); |
| 254 | if (i >= 0) |
| 255 | dev->ptrfeed->ctrl.num = i; |
| 256 | |
| 257 | i = xf86SetIntOption(pInfo->options, "AccelerationDenominator", |
| 258 | dev->ptrfeed->ctrl.den); |
| 259 | if (i > 0) |
| 260 | dev->ptrfeed->ctrl.den = i; |
| 261 | |
| 262 | i = xf86SetIntOption(pInfo->options, "AccelerationThreshold", |
| 263 | dev->ptrfeed->ctrl.threshold); |
| 264 | if (i >= 0) |
| 265 | dev->ptrfeed->ctrl.threshold = i; |
| 266 | |
| 267 | xf86Msg(X_CONFIG, "%s: (accel) acceleration factor: %.3f\n", |
| 268 | pInfo->name, ((float) dev->ptrfeed->ctrl.num) / |
| 269 | ((float) dev->ptrfeed->ctrl.den)); |
| 270 | xf86Msg(X_CONFIG, "%s: (accel) acceleration threshold: %i\n", |
| 271 | pInfo->name, dev->ptrfeed->ctrl.threshold); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | static void |
| 276 | ApplyTransformationMatrix(DeviceIntPtr dev) |
| 277 | { |
| 278 | InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate; |
| 279 | char *str; |
| 280 | int rc; |
| 281 | float matrix[9] = { 0 }; |
| 282 | |
| 283 | if (!dev->valuator) |
| 284 | return; |
| 285 | |
| 286 | str = xf86SetStrOption(pInfo->options, "TransformationMatrix", NULL); |
| 287 | if (!str) |
| 288 | return; |
| 289 | |
| 290 | rc = sscanf(str, "%f %f %f %f %f %f %f %f %f", &matrix[0], &matrix[1], |
| 291 | &matrix[2], &matrix[3], &matrix[4], &matrix[5], &matrix[6], |
| 292 | &matrix[7], &matrix[8]); |
| 293 | if (rc != 9) { |
| 294 | xf86Msg(X_ERROR, |
| 295 | "%s: invalid format for transformation matrix. Ignoring configuration.\n", |
| 296 | pInfo->name); |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), |
| 301 | XIGetKnownProperty(XATOM_FLOAT), 32, |
| 302 | PropModeReplace, 9, matrix, FALSE); |
| 303 | } |
| 304 | |
| 305 | /*********************************************************************** |
| 306 | * |
| 307 | * xf86ProcessCommonOptions -- |
| 308 | * |
| 309 | * Process global options. |
| 310 | * |
| 311 | *********************************************************************** |
| 312 | */ |
| 313 | void |
| 314 | xf86ProcessCommonOptions(InputInfoPtr pInfo, XF86OptionPtr list) |
| 315 | { |
| 316 | if (xf86SetBoolOption(list, "Floating", 0) || |
| 317 | !xf86SetBoolOption(list, "AlwaysCore", 1) || |
| 318 | !xf86SetBoolOption(list, "SendCoreEvents", 1) || |
| 319 | !xf86SetBoolOption(list, "CorePointer", 1) || |
| 320 | !xf86SetBoolOption(list, "CoreKeyboard", 1)) { |
| 321 | xf86Msg(X_CONFIG, "%s: doesn't report core events\n", pInfo->name); |
| 322 | } |
| 323 | else { |
| 324 | pInfo->flags |= XI86_ALWAYS_CORE; |
| 325 | xf86Msg(X_CONFIG, "%s: always reports core events\n", pInfo->name); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | /*********************************************************************** |
| 330 | * |
| 331 | * xf86ActivateDevice -- |
| 332 | * |
| 333 | * Initialize an input device. |
| 334 | * |
| 335 | * Returns TRUE on success, or FALSE otherwise. |
| 336 | *********************************************************************** |
| 337 | */ |
| 338 | static DeviceIntPtr |
| 339 | xf86ActivateDevice(InputInfoPtr pInfo) |
| 340 | { |
| 341 | DeviceIntPtr dev; |
| 342 | Atom atom; |
| 343 | |
| 344 | dev = AddInputDevice(serverClient, pInfo->device_control, TRUE); |
| 345 | |
| 346 | if (dev == NULL) { |
| 347 | xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n", pInfo->name); |
| 348 | pInfo->dev = NULL; |
| 349 | return NULL; |
| 350 | } |
| 351 | |
| 352 | atom = MakeAtom(pInfo->type_name, strlen(pInfo->type_name), TRUE); |
| 353 | AssignTypeAndName(dev, atom, pInfo->name); |
| 354 | dev->public.devicePrivate = pInfo; |
| 355 | pInfo->dev = dev; |
| 356 | |
| 357 | dev->coreEvents = pInfo->flags & XI86_ALWAYS_CORE; |
| 358 | dev->type = SLAVE; |
| 359 | dev->spriteInfo->spriteOwner = FALSE; |
| 360 | |
| 361 | dev->config_info = xf86SetStrOption(pInfo->options, "config_info", NULL); |
| 362 | |
| 363 | if (serverGeneration == 1) |
| 364 | xf86Msg(X_INFO, |
| 365 | "XINPUT: Adding extended input device \"%s\" (type: %s, id %d)\n", |
| 366 | pInfo->name, pInfo->type_name, dev->id); |
| 367 | |
| 368 | return dev; |
| 369 | } |
| 370 | |
| 371 | /**************************************************************************** |
| 372 | * |
| 373 | * Caller: ProcXSetDeviceMode |
| 374 | * |
| 375 | * Change the mode of an extension device. |
| 376 | * This function is used to change the mode of a device from reporting |
| 377 | * relative motion to reporting absolute positional information, and |
| 378 | * vice versa. |
| 379 | * The default implementation below is that no such devices are supported. |
| 380 | * |
| 381 | *********************************************************************** |
| 382 | */ |
| 383 | |
| 384 | int |
| 385 | SetDeviceMode(ClientPtr client, DeviceIntPtr dev, int mode) |
| 386 | { |
| 387 | InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate; |
| 388 | |
| 389 | if (pInfo->switch_mode) { |
| 390 | return (*pInfo->switch_mode) (client, dev, mode); |
| 391 | } |
| 392 | else |
| 393 | return BadMatch; |
| 394 | } |
| 395 | |
| 396 | /*********************************************************************** |
| 397 | * |
| 398 | * Caller: ProcXSetDeviceValuators |
| 399 | * |
| 400 | * Set the value of valuators on an extension input device. |
| 401 | * This function is used to set the initial value of valuators on |
| 402 | * those input devices that are capable of reporting either relative |
| 403 | * motion or an absolute position, and allow an initial position to be set. |
| 404 | * The default implementation below is that no such devices are supported. |
| 405 | * |
| 406 | *********************************************************************** |
| 407 | */ |
| 408 | |
| 409 | int |
| 410 | SetDeviceValuators(ClientPtr client, DeviceIntPtr dev, int *valuators, |
| 411 | int first_valuator, int num_valuators) |
| 412 | { |
| 413 | InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate; |
| 414 | |
| 415 | if (pInfo->set_device_valuators) |
| 416 | return (*pInfo->set_device_valuators) (pInfo, valuators, first_valuator, |
| 417 | num_valuators); |
| 418 | |
| 419 | return BadMatch; |
| 420 | } |
| 421 | |
| 422 | /*********************************************************************** |
| 423 | * |
| 424 | * Caller: ProcXChangeDeviceControl |
| 425 | * |
| 426 | * Change the specified device controls on an extension input device. |
| 427 | * |
| 428 | *********************************************************************** |
| 429 | */ |
| 430 | |
| 431 | int |
| 432 | ChangeDeviceControl(ClientPtr client, DeviceIntPtr dev, xDeviceCtl * control) |
| 433 | { |
| 434 | InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate; |
| 435 | |
| 436 | if (!pInfo->control_proc) { |
| 437 | switch (control->control) { |
| 438 | case DEVICE_CORE: |
| 439 | case DEVICE_ABS_CALIB: |
| 440 | case DEVICE_ABS_AREA: |
| 441 | return BadMatch; |
| 442 | case DEVICE_RESOLUTION: |
| 443 | case DEVICE_ENABLE: |
| 444 | return Success; |
| 445 | default: |
| 446 | return BadMatch; |
| 447 | } |
| 448 | } |
| 449 | else { |
| 450 | return (*pInfo->control_proc) (pInfo, control); |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | /* |
| 455 | * Get the operating system name from uname and store it statically to avoid |
| 456 | * repeating the system call each time MatchOS is checked. |
| 457 | */ |
| 458 | static const char * |
| 459 | HostOS(void) |
| 460 | { |
| 461 | #ifdef HAVE_SYS_UTSNAME_H |
| 462 | struct utsname name; |
| 463 | static char host_os[sizeof(name.sysname)] = ""; |
| 464 | |
| 465 | if (*host_os == '\0') { |
| 466 | if (uname(&name) >= 0) |
| 467 | strlcpy(host_os, name.sysname, sizeof(host_os)); |
| 468 | else { |
| 469 | strlcpy(host_os, "unknown", sizeof(host_os)); |
| 470 | } |
| 471 | } |
| 472 | return host_os; |
| 473 | #else |
| 474 | return ""; |
| 475 | #endif |
| 476 | } |
| 477 | |
| 478 | static int |
| 479 | match_substring(const char *attr, const char *pattern) |
| 480 | { |
| 481 | return (strstr(attr, pattern)) ? 0 : -1; |
| 482 | } |
| 483 | |
| 484 | #ifdef HAVE_FNMATCH_H |
| 485 | static int |
| 486 | match_pattern(const char *attr, const char *pattern) |
| 487 | { |
| 488 | return fnmatch(pattern, attr, 0); |
| 489 | } |
| 490 | #else |
| 491 | #define match_pattern match_substring |
| 492 | #endif |
| 493 | |
| 494 | #ifdef HAVE_FNMATCH_H |
| 495 | static int |
| 496 | match_path_pattern(const char *attr, const char *pattern) |
| 497 | { |
| 498 | return fnmatch(pattern, attr, FNM_PATHNAME); |
| 499 | } |
| 500 | #else |
| 501 | #define match_path_pattern match_substring |
| 502 | #endif |
| 503 | |
| 504 | /* |
| 505 | * If no Layout section is found, xf86ServerLayout.id becomes "(implicit)" |
| 506 | * It is convenient that "" in patterns means "no explicit layout" |
| 507 | */ |
| 508 | static int |
| 509 | match_string_implicit(const char *attr, const char *pattern) |
| 510 | { |
| 511 | if (strlen(pattern)) { |
| 512 | return strcmp(attr, pattern); |
| 513 | } |
| 514 | else { |
| 515 | return strcmp(attr, "(implicit)"); |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | /* |
| 520 | * Match an attribute against a list of NULL terminated arrays of patterns. |
| 521 | * If a pattern in each list entry is matched, return TRUE. |
| 522 | */ |
| 523 | static Bool |
| 524 | MatchAttrToken(const char *attr, struct xorg_list *patterns, |
| 525 | int (*compare) (const char *attr, const char *pattern)) |
| 526 | { |
| 527 | const xf86MatchGroup *group; |
| 528 | |
| 529 | /* If there are no patterns, accept the match */ |
| 530 | if (xorg_list_is_empty(patterns)) |
| 531 | return TRUE; |
| 532 | |
| 533 | /* If there are patterns but no attribute, reject the match */ |
| 534 | if (!attr) |
| 535 | return FALSE; |
| 536 | |
| 537 | /* |
| 538 | * Otherwise, iterate the list of patterns ensuring each entry has a |
| 539 | * match. Each list entry is a separate Match line of the same type. |
| 540 | */ |
| 541 | xorg_list_for_each_entry(group, patterns, entry) { |
| 542 | char *const *cur; |
| 543 | Bool match = FALSE; |
| 544 | |
| 545 | for (cur = group->values; *cur; cur++) |
| 546 | if ((*compare) (attr, *cur) == 0) { |
| 547 | match = TRUE; |
| 548 | break; |
| 549 | } |
| 550 | if (!match) |
| 551 | return FALSE; |
| 552 | } |
| 553 | |
| 554 | /* All the entries in the list matched the attribute */ |
| 555 | return TRUE; |
| 556 | } |
| 557 | |
| 558 | /* |
| 559 | * Classes without any Match statements match all devices. Otherwise, all |
| 560 | * statements must match. |
| 561 | */ |
| 562 | static Bool |
| 563 | InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev, |
| 564 | const InputAttributes * attrs) |
| 565 | { |
| 566 | /* MatchProduct substring */ |
| 567 | if (!MatchAttrToken |
| 568 | (attrs->product, &iclass->match_product, match_substring)) |
| 569 | return FALSE; |
| 570 | |
| 571 | /* MatchVendor substring */ |
| 572 | if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring)) |
| 573 | return FALSE; |
| 574 | |
| 575 | /* MatchDevicePath pattern */ |
| 576 | if (!MatchAttrToken |
| 577 | (attrs->device, &iclass->match_device, match_path_pattern)) |
| 578 | return FALSE; |
| 579 | |
| 580 | /* MatchOS case-insensitive string */ |
| 581 | if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp)) |
| 582 | return FALSE; |
| 583 | |
| 584 | /* MatchPnPID pattern */ |
| 585 | if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern)) |
| 586 | return FALSE; |
| 587 | |
| 588 | /* MatchUSBID pattern */ |
| 589 | if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern)) |
| 590 | return FALSE; |
| 591 | |
| 592 | /* MatchDriver string */ |
| 593 | if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp)) |
| 594 | return FALSE; |
| 595 | |
| 596 | /* |
| 597 | * MatchTag string |
| 598 | * See if any of the device's tags match any of the MatchTag tokens. |
| 599 | */ |
| 600 | if (!xorg_list_is_empty(&iclass->match_tag)) { |
| 601 | char *const *tag; |
| 602 | Bool match; |
| 603 | |
| 604 | if (!attrs->tags) |
| 605 | return FALSE; |
| 606 | for (tag = attrs->tags, match = FALSE; *tag; tag++) { |
| 607 | if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) { |
| 608 | match = TRUE; |
| 609 | break; |
| 610 | } |
| 611 | } |
| 612 | if (!match) |
| 613 | return FALSE; |
| 614 | } |
| 615 | |
| 616 | /* MatchLayout string */ |
| 617 | if (!xorg_list_is_empty(&iclass->match_layout)) { |
| 618 | if (!MatchAttrToken(xf86ConfigLayout.id, |
| 619 | &iclass->match_layout, match_string_implicit)) |
| 620 | return FALSE; |
| 621 | } |
| 622 | |
| 623 | /* MatchIs* booleans */ |
| 624 | if (iclass->is_keyboard.set && |
| 625 | iclass->is_keyboard.val != ! !(attrs->flags & ATTR_KEYBOARD)) |
| 626 | return FALSE; |
| 627 | if (iclass->is_pointer.set && |
| 628 | iclass->is_pointer.val != ! !(attrs->flags & ATTR_POINTER)) |
| 629 | return FALSE; |
| 630 | if (iclass->is_joystick.set && |
| 631 | iclass->is_joystick.val != ! !(attrs->flags & ATTR_JOYSTICK)) |
| 632 | return FALSE; |
| 633 | if (iclass->is_tablet.set && |
| 634 | iclass->is_tablet.val != ! !(attrs->flags & ATTR_TABLET)) |
| 635 | return FALSE; |
| 636 | if (iclass->is_touchpad.set && |
| 637 | iclass->is_touchpad.val != ! !(attrs->flags & ATTR_TOUCHPAD)) |
| 638 | return FALSE; |
| 639 | if (iclass->is_touchscreen.set && |
| 640 | iclass->is_touchscreen.val != ! !(attrs->flags & ATTR_TOUCHSCREEN)) |
| 641 | return FALSE; |
| 642 | |
| 643 | return TRUE; |
| 644 | } |
| 645 | |
| 646 | /* |
| 647 | * Merge in any InputClass configurations. Options in each InputClass |
| 648 | * section have more priority than the original device configuration as |
| 649 | * well as any previous InputClass sections. |
| 650 | */ |
| 651 | static int |
| 652 | MergeInputClasses(const InputInfoPtr idev, const InputAttributes * attrs) |
| 653 | { |
| 654 | XF86ConfInputClassPtr cl; |
| 655 | XF86OptionPtr classopts; |
| 656 | |
| 657 | for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) { |
| 658 | if (!InputClassMatches(cl, idev, attrs)) |
| 659 | continue; |
| 660 | |
| 661 | /* Collect class options and driver settings */ |
| 662 | classopts = xf86optionListDup(cl->option_lst); |
| 663 | if (cl->driver) { |
| 664 | free(idev->driver); |
| 665 | idev->driver = xstrdup(cl->driver); |
| 666 | if (!idev->driver) { |
| 667 | xf86Msg(X_ERROR, "Failed to allocate memory while merging " |
| 668 | "InputClass configuration"); |
| 669 | return BadAlloc; |
| 670 | } |
| 671 | classopts = xf86ReplaceStrOption(classopts, "driver", idev->driver); |
| 672 | } |
| 673 | |
| 674 | /* Apply options to device with InputClass settings preferred. */ |
| 675 | xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n", |
| 676 | idev->name, cl->identifier); |
| 677 | idev->options = xf86optionListMerge(idev->options, classopts); |
| 678 | } |
| 679 | |
| 680 | return Success; |
| 681 | } |
| 682 | |
| 683 | /* |
| 684 | * Iterate the list of classes and look for Option "Ignore". Return the |
| 685 | * value of the last matching class and holler when returning TRUE. |
| 686 | */ |
| 687 | static Bool |
| 688 | IgnoreInputClass(const InputInfoPtr idev, const InputAttributes * attrs) |
| 689 | { |
| 690 | XF86ConfInputClassPtr cl; |
| 691 | Bool ignore = FALSE; |
| 692 | const char *ignore_class; |
| 693 | |
| 694 | for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) { |
| 695 | if (!InputClassMatches(cl, idev, attrs)) |
| 696 | continue; |
| 697 | if (xf86findOption(cl->option_lst, "Ignore")) { |
| 698 | ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE); |
| 699 | ignore_class = cl->identifier; |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | if (ignore) |
| 704 | xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n", |
| 705 | idev->name, ignore_class); |
| 706 | return ignore; |
| 707 | } |
| 708 | |
| 709 | InputInfoPtr |
| 710 | xf86AllocateInput(void) |
| 711 | { |
| 712 | InputInfoPtr pInfo; |
| 713 | |
| 714 | pInfo = calloc(sizeof(*pInfo), 1); |
| 715 | if (!pInfo) |
| 716 | return NULL; |
| 717 | |
| 718 | pInfo->fd = -1; |
| 719 | pInfo->type_name = "UNKNOWN"; |
| 720 | |
| 721 | return pInfo; |
| 722 | } |
| 723 | |
| 724 | /* Append InputInfoRec to the tail of xf86InputDevs. */ |
| 725 | static void |
| 726 | xf86AddInput(InputDriverPtr drv, InputInfoPtr pInfo) |
| 727 | { |
| 728 | InputInfoPtr *prev = NULL; |
| 729 | |
| 730 | pInfo->drv = drv; |
| 731 | pInfo->module = DuplicateModule(drv->module, NULL); |
| 732 | |
| 733 | for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next); |
| 734 | |
| 735 | *prev = pInfo; |
| 736 | pInfo->next = NULL; |
| 737 | |
| 738 | xf86CollectInputOptions(pInfo, (const char **) drv->default_options); |
| 739 | xf86OptionListReport(pInfo->options); |
| 740 | xf86ProcessCommonOptions(pInfo, pInfo->options); |
| 741 | } |
| 742 | |
| 743 | /* |
| 744 | * Remove an entry from xf86InputDevs and free all the device's information. |
| 745 | */ |
| 746 | void |
| 747 | xf86DeleteInput(InputInfoPtr pInp, int flags) |
| 748 | { |
| 749 | /* First check if the inputdev is valid. */ |
| 750 | if (pInp == NULL) |
| 751 | return; |
| 752 | |
| 753 | if (pInp->module) |
| 754 | UnloadModule(pInp->module); |
| 755 | |
| 756 | /* This should *really* be handled in drv->UnInit(dev) call instead, but |
| 757 | * if the driver forgets about it make sure we free it or at least crash |
| 758 | * with flying colors */ |
| 759 | free(pInp->private); |
| 760 | |
| 761 | FreeInputAttributes(pInp->attrs); |
| 762 | |
| 763 | /* Remove the entry from the list. */ |
| 764 | if (pInp == xf86InputDevs) |
| 765 | xf86InputDevs = pInp->next; |
| 766 | else { |
| 767 | InputInfoPtr p = xf86InputDevs; |
| 768 | |
| 769 | while (p && p->next != pInp) |
| 770 | p = p->next; |
| 771 | if (p) |
| 772 | p->next = pInp->next; |
| 773 | /* Else the entry wasn't in the xf86InputDevs list (ignore this). */ |
| 774 | } |
| 775 | |
| 776 | free(pInp->driver); |
| 777 | free(pInp->name); |
| 778 | xf86optionListFree(pInp->options); |
| 779 | free(pInp); |
| 780 | } |
| 781 | |
| 782 | /* |
| 783 | * Apply backend-specific initialization. Invoked after ActivateDevice(), |
| 784 | * i.e. after the driver successfully completed DEVICE_INIT and the device |
| 785 | * is advertised. |
| 786 | * @param dev the device |
| 787 | * @return Success or an error code |
| 788 | */ |
| 789 | static int |
| 790 | xf86InputDevicePostInit(DeviceIntPtr dev) |
| 791 | { |
| 792 | ApplyAccelerationSettings(dev); |
| 793 | ApplyTransformationMatrix(dev); |
| 794 | return Success; |
| 795 | } |
| 796 | |
| 797 | /** |
| 798 | * Create a new input device, activate and enable it. |
| 799 | * |
| 800 | * Possible return codes: |
| 801 | * BadName .. a bad driver name was supplied. |
| 802 | * BadImplementation ... The driver does not have a PreInit function. This |
| 803 | * is a driver bug. |
| 804 | * BadMatch .. device initialization failed. |
| 805 | * BadAlloc .. too many input devices |
| 806 | * |
| 807 | * @param idev The device, already set up with identifier, driver, and the |
| 808 | * options. |
| 809 | * @param pdev Pointer to the new device, if Success was reported. |
| 810 | * @param enable Enable the device after activating it. |
| 811 | * |
| 812 | * @return Success or an error code |
| 813 | */ |
| 814 | _X_INTERNAL int |
| 815 | xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable) |
| 816 | { |
| 817 | InputDriverPtr drv = NULL; |
| 818 | DeviceIntPtr dev = NULL; |
| 819 | int rval; |
| 820 | |
| 821 | /* Memory leak for every attached device if we don't |
| 822 | * test if the module is already loaded first */ |
| 823 | drv = xf86LookupInputDriver(pInfo->driver); |
| 824 | if (!drv) |
| 825 | if (xf86LoadOneModule(pInfo->driver, NULL)) |
| 826 | drv = xf86LookupInputDriver(pInfo->driver); |
| 827 | if (!drv) { |
| 828 | xf86Msg(X_ERROR, "No input driver matching `%s'\n", pInfo->driver); |
| 829 | rval = BadName; |
| 830 | goto unwind; |
| 831 | } |
| 832 | |
| 833 | xf86Msg(X_INFO, "Using input driver '%s' for '%s'\n", drv->driverName, |
| 834 | pInfo->name); |
| 835 | |
| 836 | if (!drv->PreInit) { |
| 837 | xf86Msg(X_ERROR, |
| 838 | "Input driver `%s' has no PreInit function (ignoring)\n", |
| 839 | drv->driverName); |
| 840 | rval = BadImplementation; |
| 841 | goto unwind; |
| 842 | } |
| 843 | |
| 844 | xf86AddInput(drv, pInfo); |
| 845 | |
| 846 | rval = drv->PreInit(drv, pInfo, 0); |
| 847 | |
| 848 | if (rval != Success) { |
| 849 | xf86Msg(X_ERROR, "PreInit returned %d for \"%s\"\n", rval, pInfo->name); |
| 850 | goto unwind; |
| 851 | } |
| 852 | |
| 853 | if (!(dev = xf86ActivateDevice(pInfo))) { |
| 854 | rval = BadAlloc; |
| 855 | goto unwind; |
| 856 | } |
| 857 | |
| 858 | rval = ActivateDevice(dev, TRUE); |
| 859 | if (rval != Success) { |
| 860 | xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name); |
| 861 | RemoveDevice(dev, TRUE); |
| 862 | goto unwind; |
| 863 | } |
| 864 | |
| 865 | rval = xf86InputDevicePostInit(dev); |
| 866 | if (rval != Success) { |
| 867 | xf86Msg(X_ERROR, "Couldn't post-init device \"%s\"\n", pInfo->name); |
| 868 | RemoveDevice(dev, TRUE); |
| 869 | goto unwind; |
| 870 | } |
| 871 | |
| 872 | /* Enable it if it's properly initialised and we're currently in the VT */ |
| 873 | if (enable && dev->inited && dev->startup && xf86VTOwner()) { |
| 874 | OsBlockSignals(); |
| 875 | EnableDevice(dev, TRUE); |
| 876 | if (!dev->enabled) { |
| 877 | OsReleaseSignals(); |
| 878 | xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name); |
| 879 | RemoveDevice(dev, TRUE); |
| 880 | rval = BadMatch; |
| 881 | goto unwind; |
| 882 | } |
| 883 | /* send enter/leave event, update sprite window */ |
| 884 | CheckMotion(NULL, dev); |
| 885 | OsReleaseSignals(); |
| 886 | } |
| 887 | |
| 888 | *pdev = dev; |
| 889 | return Success; |
| 890 | |
| 891 | unwind: |
| 892 | if (pInfo) { |
| 893 | if (drv && drv->UnInit) |
| 894 | drv->UnInit(drv, pInfo, 0); |
| 895 | else |
| 896 | xf86DeleteInput(pInfo, 0); |
| 897 | } |
| 898 | return rval; |
| 899 | } |
| 900 | |
| 901 | int |
| 902 | NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, |
| 903 | DeviceIntPtr *pdev) |
| 904 | { |
| 905 | InputInfoPtr pInfo = NULL; |
| 906 | InputOption *option = NULL; |
| 907 | int rval = Success; |
| 908 | int is_auto = 0; |
| 909 | |
| 910 | pInfo = xf86AllocateInput(); |
| 911 | if (!pInfo) |
| 912 | return BadAlloc; |
| 913 | |
| 914 | nt_list_for_each_entry(option, options, list.next) { |
| 915 | const char *key = input_option_get_key(option); |
| 916 | const char *value = input_option_get_value(option); |
| 917 | |
| 918 | if (strcasecmp(key, "driver") == 0) { |
| 919 | if (pInfo->driver) { |
| 920 | rval = BadRequest; |
| 921 | goto unwind; |
| 922 | } |
| 923 | pInfo->driver = xstrdup(value); |
| 924 | if (!pInfo->driver) { |
| 925 | rval = BadAlloc; |
| 926 | goto unwind; |
| 927 | } |
| 928 | } |
| 929 | |
| 930 | if (strcasecmp(key, "name") == 0 || strcasecmp(key, "identifier") == 0) { |
| 931 | if (pInfo->name) { |
| 932 | rval = BadRequest; |
| 933 | goto unwind; |
| 934 | } |
| 935 | pInfo->name = xstrdup(value); |
| 936 | if (!pInfo->name) { |
| 937 | rval = BadAlloc; |
| 938 | goto unwind; |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | if (strcmp(key, "_source") == 0 && |
| 943 | (strcmp(value, "server/hal") == 0 || |
| 944 | strcmp(value, "server/udev") == 0 || |
| 945 | strcmp(value, "server/wscons") == 0)) { |
| 946 | is_auto = 1; |
| 947 | if (!xf86Info.autoAddDevices) { |
| 948 | rval = BadMatch; |
| 949 | goto unwind; |
| 950 | } |
| 951 | } |
| 952 | } |
| 953 | |
| 954 | nt_list_for_each_entry(option, options, list.next) { |
| 955 | /* Copy option key/value strings from the provided list */ |
| 956 | pInfo->options = xf86AddNewOption(pInfo->options, |
| 957 | input_option_get_key(option), |
| 958 | input_option_get_value(option)); |
| 959 | } |
| 960 | |
| 961 | /* Apply InputClass settings */ |
| 962 | if (attrs) { |
| 963 | if (IgnoreInputClass(pInfo, attrs)) { |
| 964 | rval = BadIDChoice; |
| 965 | goto unwind; |
| 966 | } |
| 967 | |
| 968 | rval = MergeInputClasses(pInfo, attrs); |
| 969 | if (rval != Success) |
| 970 | goto unwind; |
| 971 | |
| 972 | pInfo->attrs = DuplicateInputAttributes(attrs); |
| 973 | } |
| 974 | |
| 975 | if (!pInfo->name) { |
| 976 | xf86Msg(X_INFO, "No identifier specified, ignoring this device.\n"); |
| 977 | rval = BadRequest; |
| 978 | goto unwind; |
| 979 | } |
| 980 | |
| 981 | if (!pInfo->driver) { |
| 982 | xf86Msg(X_INFO, "No input driver specified, ignoring this device.\n"); |
| 983 | xf86Msg(X_INFO, |
| 984 | "This device may have been added with another device file.\n"); |
| 985 | rval = BadRequest; |
| 986 | goto unwind; |
| 987 | } |
| 988 | |
| 989 | rval = xf86NewInputDevice(pInfo, pdev, |
| 990 | (!is_auto || |
| 991 | (is_auto && xf86Info.autoEnableDevices))); |
| 992 | |
| 993 | return rval; |
| 994 | |
| 995 | unwind: |
| 996 | if (is_auto && !xf86Info.autoAddDevices) |
| 997 | xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n"); |
| 998 | xf86DeleteInput(pInfo, 0); |
| 999 | return rval; |
| 1000 | } |
| 1001 | |
| 1002 | void |
| 1003 | DeleteInputDeviceRequest(DeviceIntPtr pDev) |
| 1004 | { |
| 1005 | InputInfoPtr pInfo = (InputInfoPtr) pDev->public.devicePrivate; |
| 1006 | InputDriverPtr drv = NULL; |
| 1007 | Bool isMaster = IsMaster(pDev); |
| 1008 | |
| 1009 | if (pInfo) /* need to get these before RemoveDevice */ |
| 1010 | drv = pInfo->drv; |
| 1011 | |
| 1012 | OsBlockSignals(); |
| 1013 | RemoveDevice(pDev, TRUE); |
| 1014 | |
| 1015 | if (!isMaster && pInfo != NULL) { |
| 1016 | if (drv->UnInit) |
| 1017 | drv->UnInit(drv, pInfo, 0); |
| 1018 | else |
| 1019 | xf86DeleteInput(pInfo, 0); |
| 1020 | } |
| 1021 | OsReleaseSignals(); |
| 1022 | } |
| 1023 | |
| 1024 | /* |
| 1025 | * convenient functions to post events |
| 1026 | */ |
| 1027 | |
| 1028 | void |
| 1029 | xf86PostMotionEvent(DeviceIntPtr device, |
| 1030 | int is_absolute, int first_valuator, int num_valuators, ...) |
| 1031 | { |
| 1032 | va_list var; |
| 1033 | int i = 0; |
| 1034 | ValuatorMask mask; |
| 1035 | |
| 1036 | XI_VERIFY_VALUATORS(num_valuators); |
| 1037 | |
| 1038 | valuator_mask_zero(&mask); |
| 1039 | va_start(var, num_valuators); |
| 1040 | for (i = 0; i < num_valuators; i++) |
| 1041 | valuator_mask_set(&mask, first_valuator + i, va_arg(var, int)); |
| 1042 | |
| 1043 | va_end(var); |
| 1044 | |
| 1045 | xf86PostMotionEventM(device, is_absolute, &mask); |
| 1046 | } |
| 1047 | |
| 1048 | void |
| 1049 | xf86PostMotionEventP(DeviceIntPtr device, |
| 1050 | int is_absolute, |
| 1051 | int first_valuator, |
| 1052 | int num_valuators, const int *valuators) |
| 1053 | { |
| 1054 | ValuatorMask mask; |
| 1055 | |
| 1056 | XI_VERIFY_VALUATORS(num_valuators); |
| 1057 | |
| 1058 | valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators); |
| 1059 | xf86PostMotionEventM(device, is_absolute, &mask); |
| 1060 | } |
| 1061 | |
| 1062 | static int |
| 1063 | xf86CheckMotionEvent4DGA(DeviceIntPtr device, int is_absolute, |
| 1064 | const ValuatorMask *mask) |
| 1065 | { |
| 1066 | int stolen = 0; |
| 1067 | |
| 1068 | #if XFreeXDGA |
| 1069 | ScreenPtr scr = NULL; |
| 1070 | int idx, i; |
| 1071 | |
| 1072 | /* The evdev driver may not always send all axes across. */ |
| 1073 | if (valuator_mask_isset(mask, 0) || valuator_mask_isset(mask, 1)) { |
| 1074 | scr = miPointerGetScreen(device); |
| 1075 | if (scr) { |
| 1076 | int dx = 0, dy = 0; |
| 1077 | |
| 1078 | idx = scr->myNum; |
| 1079 | |
| 1080 | if (valuator_mask_isset(mask, 0)) { |
| 1081 | dx = valuator_mask_get(mask, 0); |
| 1082 | if (is_absolute) |
| 1083 | dx -= device->last.valuators[0]; |
| 1084 | } |
| 1085 | |
| 1086 | if (valuator_mask_isset(mask, 1)) { |
| 1087 | dy = valuator_mask_get(mask, 1); |
| 1088 | if (is_absolute) |
| 1089 | dy -= device->last.valuators[1]; |
| 1090 | } |
| 1091 | |
| 1092 | if (DGAStealMotionEvent(device, idx, dx, dy)) |
| 1093 | stolen = 1; |
| 1094 | } |
| 1095 | } |
| 1096 | |
| 1097 | for (i = 2; i < valuator_mask_size(mask); i++) { |
| 1098 | AxisInfoPtr ax; |
| 1099 | double incr; |
| 1100 | int val, button; |
| 1101 | |
| 1102 | if (i >= device->valuator->numAxes) |
| 1103 | break; |
| 1104 | |
| 1105 | if (!valuator_mask_isset(mask, i)) |
| 1106 | continue; |
| 1107 | |
| 1108 | ax = &device->valuator->axes[i]; |
| 1109 | |
| 1110 | if (ax->scroll.type == SCROLL_TYPE_NONE) |
| 1111 | continue; |
| 1112 | |
| 1113 | if (!scr) { |
| 1114 | scr = miPointerGetScreen(device); |
| 1115 | if (!scr) |
| 1116 | break; |
| 1117 | idx = scr->myNum; |
| 1118 | } |
| 1119 | |
| 1120 | incr = ax->scroll.increment; |
| 1121 | val = valuator_mask_get(mask, i); |
| 1122 | |
| 1123 | if (ax->scroll.type == SCROLL_TYPE_VERTICAL) { |
| 1124 | if (incr * val < 0) |
| 1125 | button = 4; /* up */ |
| 1126 | else |
| 1127 | button = 5; /* down */ |
| 1128 | } else { /* SCROLL_TYPE_HORIZONTAL */ |
| 1129 | if (incr * val < 0) |
| 1130 | button = 6; /* left */ |
| 1131 | else |
| 1132 | button = 7; /* right */ |
| 1133 | } |
| 1134 | |
| 1135 | if (DGAStealButtonEvent(device, idx, button, 1) && |
| 1136 | DGAStealButtonEvent(device, idx, button, 0)) |
| 1137 | stolen = 1; |
| 1138 | } |
| 1139 | |
| 1140 | #endif |
| 1141 | |
| 1142 | return stolen; |
| 1143 | } |
| 1144 | |
| 1145 | void |
| 1146 | xf86PostMotionEventM(DeviceIntPtr device, |
| 1147 | int is_absolute, const ValuatorMask *mask) |
| 1148 | { |
| 1149 | int flags = 0; |
| 1150 | |
| 1151 | if (xf86CheckMotionEvent4DGA(device, is_absolute, mask)) |
| 1152 | return; |
| 1153 | |
| 1154 | if (valuator_mask_num_valuators(mask) > 0) { |
| 1155 | if (is_absolute) |
| 1156 | flags = POINTER_ABSOLUTE; |
| 1157 | else |
| 1158 | flags = POINTER_RELATIVE | POINTER_ACCELERATE; |
| 1159 | } |
| 1160 | |
| 1161 | QueuePointerEvents(device, MotionNotify, 0, flags, mask); |
| 1162 | } |
| 1163 | |
| 1164 | void |
| 1165 | xf86PostProximityEvent(DeviceIntPtr device, |
| 1166 | int is_in, int first_valuator, int num_valuators, ...) |
| 1167 | { |
| 1168 | va_list var; |
| 1169 | int i; |
| 1170 | ValuatorMask mask; |
| 1171 | |
| 1172 | XI_VERIFY_VALUATORS(num_valuators); |
| 1173 | |
| 1174 | valuator_mask_zero(&mask); |
| 1175 | va_start(var, num_valuators); |
| 1176 | for (i = 0; i < num_valuators; i++) |
| 1177 | valuator_mask_set(&mask, first_valuator + i, va_arg(var, int)); |
| 1178 | |
| 1179 | va_end(var); |
| 1180 | |
| 1181 | xf86PostProximityEventM(device, is_in, &mask); |
| 1182 | } |
| 1183 | |
| 1184 | void |
| 1185 | xf86PostProximityEventP(DeviceIntPtr device, |
| 1186 | int is_in, |
| 1187 | int first_valuator, |
| 1188 | int num_valuators, const int *valuators) |
| 1189 | { |
| 1190 | ValuatorMask mask; |
| 1191 | |
| 1192 | XI_VERIFY_VALUATORS(num_valuators); |
| 1193 | |
| 1194 | valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators); |
| 1195 | xf86PostProximityEventM(device, is_in, &mask); |
| 1196 | } |
| 1197 | |
| 1198 | void |
| 1199 | xf86PostProximityEventM(DeviceIntPtr device, |
| 1200 | int is_in, const ValuatorMask *mask) |
| 1201 | { |
| 1202 | QueueProximityEvents(device, is_in ? ProximityIn : ProximityOut, mask); |
| 1203 | } |
| 1204 | |
| 1205 | void |
| 1206 | xf86PostButtonEvent(DeviceIntPtr device, |
| 1207 | int is_absolute, |
| 1208 | int button, |
| 1209 | int is_down, int first_valuator, int num_valuators, ...) |
| 1210 | { |
| 1211 | va_list var; |
| 1212 | ValuatorMask mask; |
| 1213 | int i = 0; |
| 1214 | |
| 1215 | XI_VERIFY_VALUATORS(num_valuators); |
| 1216 | |
| 1217 | valuator_mask_zero(&mask); |
| 1218 | |
| 1219 | va_start(var, num_valuators); |
| 1220 | for (i = 0; i < num_valuators; i++) |
| 1221 | valuator_mask_set(&mask, first_valuator + i, va_arg(var, int)); |
| 1222 | |
| 1223 | va_end(var); |
| 1224 | |
| 1225 | xf86PostButtonEventM(device, is_absolute, button, is_down, &mask); |
| 1226 | } |
| 1227 | |
| 1228 | void |
| 1229 | xf86PostButtonEventP(DeviceIntPtr device, |
| 1230 | int is_absolute, |
| 1231 | int button, |
| 1232 | int is_down, |
| 1233 | int first_valuator, |
| 1234 | int num_valuators, const int *valuators) |
| 1235 | { |
| 1236 | ValuatorMask mask; |
| 1237 | |
| 1238 | XI_VERIFY_VALUATORS(num_valuators); |
| 1239 | |
| 1240 | valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators); |
| 1241 | xf86PostButtonEventM(device, is_absolute, button, is_down, &mask); |
| 1242 | } |
| 1243 | |
| 1244 | void |
| 1245 | xf86PostButtonEventM(DeviceIntPtr device, |
| 1246 | int is_absolute, |
| 1247 | int button, int is_down, const ValuatorMask *mask) |
| 1248 | { |
| 1249 | int flags = 0; |
| 1250 | |
| 1251 | if (valuator_mask_num_valuators(mask) > 0) { |
| 1252 | if (is_absolute) |
| 1253 | flags = POINTER_ABSOLUTE; |
| 1254 | else |
| 1255 | flags = POINTER_RELATIVE | POINTER_ACCELERATE; |
| 1256 | } |
| 1257 | |
| 1258 | #if XFreeXDGA |
| 1259 | if (miPointerGetScreen(device)) { |
| 1260 | int index = miPointerGetScreen(device)->myNum; |
| 1261 | |
| 1262 | if (DGAStealButtonEvent(device, index, button, is_down)) |
| 1263 | return; |
| 1264 | } |
| 1265 | #endif |
| 1266 | |
| 1267 | QueuePointerEvents(device, |
| 1268 | is_down ? ButtonPress : ButtonRelease, button, |
| 1269 | flags, mask); |
| 1270 | } |
| 1271 | |
| 1272 | void |
| 1273 | xf86PostKeyEvent(DeviceIntPtr device, |
| 1274 | unsigned int key_code, |
| 1275 | int is_down, |
| 1276 | int is_absolute, int first_valuator, int num_valuators, ...) |
| 1277 | { |
| 1278 | va_list var; |
| 1279 | int i = 0; |
| 1280 | ValuatorMask mask; |
| 1281 | |
| 1282 | XI_VERIFY_VALUATORS(num_valuators); |
| 1283 | |
| 1284 | valuator_mask_zero(&mask); |
| 1285 | |
| 1286 | va_start(var, num_valuators); |
| 1287 | for (i = 0; i < num_valuators; i++) |
| 1288 | valuator_mask_set(&mask, first_valuator + i, va_arg(var, int)); |
| 1289 | |
| 1290 | va_end(var); |
| 1291 | |
| 1292 | xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask); |
| 1293 | } |
| 1294 | |
| 1295 | void |
| 1296 | xf86PostKeyEventP(DeviceIntPtr device, |
| 1297 | unsigned int key_code, |
| 1298 | int is_down, |
| 1299 | int is_absolute, |
| 1300 | int first_valuator, int num_valuators, const int *valuators) |
| 1301 | { |
| 1302 | ValuatorMask mask; |
| 1303 | |
| 1304 | XI_VERIFY_VALUATORS(num_valuators); |
| 1305 | |
| 1306 | valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators); |
| 1307 | xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask); |
| 1308 | } |
| 1309 | |
| 1310 | void |
| 1311 | xf86PostKeyEventM(DeviceIntPtr device, |
| 1312 | unsigned int key_code, |
| 1313 | int is_down, int is_absolute, const ValuatorMask *mask) |
| 1314 | { |
| 1315 | #if XFreeXDGA |
| 1316 | DeviceIntPtr pointer; |
| 1317 | |
| 1318 | /* Some pointers send key events, paired device is wrong then. */ |
| 1319 | pointer = GetMaster(device, POINTER_OR_FLOAT); |
| 1320 | |
| 1321 | if (miPointerGetScreen(pointer)) { |
| 1322 | int index = miPointerGetScreen(pointer)->myNum; |
| 1323 | |
| 1324 | if (DGAStealKeyEvent(device, index, key_code, is_down)) |
| 1325 | return; |
| 1326 | } |
| 1327 | #endif |
| 1328 | |
| 1329 | QueueKeyboardEvents(device, |
| 1330 | is_down ? KeyPress : KeyRelease, key_code, mask); |
| 1331 | } |
| 1332 | |
| 1333 | void |
| 1334 | xf86PostKeyboardEvent(DeviceIntPtr device, unsigned int key_code, int is_down) |
| 1335 | { |
| 1336 | ValuatorMask mask; |
| 1337 | |
| 1338 | valuator_mask_zero(&mask); |
| 1339 | xf86PostKeyEventM(device, key_code, is_down, 0, &mask); |
| 1340 | } |
| 1341 | |
| 1342 | InputInfoPtr |
| 1343 | xf86FirstLocalDevice(void) |
| 1344 | { |
| 1345 | return xf86InputDevs; |
| 1346 | } |
| 1347 | |
| 1348 | /* |
| 1349 | * Cx - raw data from touch screen |
| 1350 | * to_max - scaled highest dimension |
| 1351 | * (remember, this is of rows - 1 because of 0 origin) |
| 1352 | * to_min - scaled lowest dimension |
| 1353 | * from_max - highest raw value from touch screen calibration |
| 1354 | * from_min - lowest raw value from touch screen calibration |
| 1355 | * |
| 1356 | * This function is the same for X or Y coordinates. |
| 1357 | * You may have to reverse the high and low values to compensate for |
| 1358 | * different orgins on the touch screen vs X. |
| 1359 | * |
| 1360 | * e.g. to scale from device coordinates into screen coordinates, call |
| 1361 | * xf86ScaleAxis(x, 0, screen_width, dev_min, dev_max); |
| 1362 | */ |
| 1363 | |
| 1364 | int |
| 1365 | xf86ScaleAxis(int Cx, int to_max, int to_min, int from_max, int from_min) |
| 1366 | { |
| 1367 | int X; |
| 1368 | int64_t to_width = to_max - to_min; |
| 1369 | int64_t from_width = from_max - from_min; |
| 1370 | |
| 1371 | if (from_width) { |
| 1372 | X = (int) (((to_width * (Cx - from_min)) / from_width) + to_min); |
| 1373 | } |
| 1374 | else { |
| 1375 | X = 0; |
| 1376 | ErrorF("Divide by Zero in xf86ScaleAxis\n"); |
| 1377 | } |
| 1378 | |
| 1379 | if (X > to_max) |
| 1380 | X = to_max; |
| 1381 | if (X < to_min) |
| 1382 | X = to_min; |
| 1383 | |
| 1384 | return X; |
| 1385 | } |
| 1386 | |
| 1387 | Bool |
| 1388 | xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, |
| 1389 | int maxval, int resolution, int min_res, int max_res, |
| 1390 | int mode) |
| 1391 | { |
| 1392 | if (!dev || !dev->valuator) |
| 1393 | return FALSE; |
| 1394 | |
| 1395 | return InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, |
| 1396 | min_res, max_res, mode); |
| 1397 | } |
| 1398 | |
| 1399 | /* |
| 1400 | * Set the valuator values to be in sync with dix/event.c |
| 1401 | * DefineInitialRootWindow(). |
| 1402 | */ |
| 1403 | void |
| 1404 | xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum) |
| 1405 | { |
| 1406 | if (axnum == 0) { |
| 1407 | dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2; |
| 1408 | dev->last.valuators[0] = dev->valuator->axisVal[0]; |
| 1409 | } |
| 1410 | else if (axnum == 1) { |
| 1411 | dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2; |
| 1412 | dev->last.valuators[1] = dev->valuator->axisVal[1]; |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | /** |
| 1417 | * Deactivate a device. Call this function from the driver if you receive a |
| 1418 | * read error or something else that spoils your day. |
| 1419 | * Device will be moved to the off_devices list, but it will still be there |
| 1420 | * until you really clean up after it. |
| 1421 | * Notifies the client about an inactive device. |
| 1422 | * |
| 1423 | * @param panic True if device is unrecoverable and needs to be removed. |
| 1424 | */ |
| 1425 | void |
| 1426 | xf86DisableDevice(DeviceIntPtr dev, Bool panic) |
| 1427 | { |
| 1428 | if (!panic) { |
| 1429 | DisableDevice(dev, TRUE); |
| 1430 | } |
| 1431 | else { |
| 1432 | SendDevicePresenceEvent(dev->id, DeviceUnrecoverable); |
| 1433 | DeleteInputDeviceRequest(dev); |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | /** |
| 1438 | * Reactivate a device. Call this function from the driver if you just found |
| 1439 | * out that the read error wasn't quite that bad after all. |
| 1440 | * Device will be re-activated, and an event sent to the client. |
| 1441 | */ |
| 1442 | void |
| 1443 | xf86EnableDevice(DeviceIntPtr dev) |
| 1444 | { |
| 1445 | EnableDevice(dev, TRUE); |
| 1446 | } |
| 1447 | |
| 1448 | /** |
| 1449 | * Post a touch event with optional valuators. If this is the first touch in |
| 1450 | * the sequence, at least x & y valuators must be provided. The driver is |
| 1451 | * responsible for maintaining the correct event sequence (TouchBegin, TouchUpdate, |
| 1452 | * TouchEnd). Submitting an update or end event for a unregistered touchid will |
| 1453 | * result in errors. |
| 1454 | * Touch IDs may be reused by the driver but only after a TouchEnd has been |
| 1455 | * submitted for that touch ID. |
| 1456 | * |
| 1457 | * @param dev The device to post the event for |
| 1458 | * @param touchid The touchid of the current touch event. Must be an |
| 1459 | * existing ID for TouchUpdate or TouchEnd events |
| 1460 | * @param type One of XI_TouchBegin, XI_TouchUpdate, XI_TouchEnd |
| 1461 | * @param flags Flags for this event |
| 1462 | * @param The valuator mask with all valuators set for this event. |
| 1463 | */ |
| 1464 | void |
| 1465 | xf86PostTouchEvent(DeviceIntPtr dev, uint32_t touchid, uint16_t type, |
| 1466 | uint32_t flags, const ValuatorMask *mask) |
| 1467 | { |
| 1468 | |
| 1469 | QueueTouchEvents(dev, type, touchid, flags, mask); |
| 1470 | } |
| 1471 | |
| 1472 | /* end of xf86Xinput.c */ |