| 1 | /************************************************************ |
| 2 | |
| 3 | Copyright 1987, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of The Open Group shall not be |
| 22 | used in advertising or otherwise to promote the sale, use or other dealings |
| 23 | in this Software without prior written authorization from The Open Group. |
| 24 | |
| 25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. |
| 26 | |
| 27 | All Rights Reserved |
| 28 | |
| 29 | Permission to use, copy, modify, and distribute this software and its |
| 30 | documentation for any purpose and without fee is hereby granted, |
| 31 | provided that the above copyright notice appear in all copies and that |
| 32 | both that copyright notice and this permission notice appear in |
| 33 | supporting documentation, and that the name of Digital not be |
| 34 | used in advertising or publicity pertaining to distribution of the |
| 35 | software without specific, written prior permission. |
| 36 | |
| 37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 43 | SOFTWARE. |
| 44 | |
| 45 | ********************************************************/ |
| 46 | |
| 47 | #ifdef HAVE_DIX_CONFIG_H |
| 48 | #include <dix-config.h> |
| 49 | #endif |
| 50 | |
| 51 | #include <X11/X.h> |
| 52 | #include "misc.h" |
| 53 | #include "resource.h" |
| 54 | #include <X11/Xproto.h> |
| 55 | #include <X11/Xatom.h> |
| 56 | #include "windowstr.h" |
| 57 | #include "inputstr.h" |
| 58 | #include "scrnintstr.h" |
| 59 | #include "cursorstr.h" |
| 60 | #include "dixstruct.h" |
| 61 | #include "ptrveloc.h" |
| 62 | #include "site.h" |
| 63 | #include "xkbsrv.h" |
| 64 | #include "privates.h" |
| 65 | #include "xace.h" |
| 66 | #include "mi.h" |
| 67 | |
| 68 | #include "dispatch.h" |
| 69 | #include "swaprep.h" |
| 70 | #include "dixevents.h" |
| 71 | #include "mipointer.h" |
| 72 | #include "eventstr.h" |
| 73 | #include "dixgrabs.h" |
| 74 | |
| 75 | #include <X11/extensions/XI.h> |
| 76 | #include <X11/extensions/XI2.h> |
| 77 | #include <X11/extensions/XIproto.h> |
| 78 | #include <math.h> |
| 79 | #include <pixman.h> |
| 80 | #include "exglobals.h" |
| 81 | #include "exevents.h" |
| 82 | #include "xiquerydevice.h" /* for SizeDeviceClasses */ |
| 83 | #include "xiproperty.h" |
| 84 | #include "enterleave.h" /* for EnterWindow() */ |
| 85 | #include "xserver-properties.h" |
| 86 | #include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */ |
| 87 | #include "syncsrv.h" |
| 88 | |
| 89 | /** @file |
| 90 | * This file handles input device-related stuff. |
| 91 | */ |
| 92 | |
| 93 | static void RecalculateMasterButtons(DeviceIntPtr slave); |
| 94 | |
| 95 | static void |
| 96 | DeviceSetTransform(DeviceIntPtr dev, float *transform_data) |
| 97 | { |
| 98 | struct pixman_f_transform scale; |
| 99 | struct pixman_f_transform transform; |
| 100 | double sx, sy; |
| 101 | int x, y; |
| 102 | |
| 103 | /** |
| 104 | * calculate combined transformation matrix: |
| 105 | * |
| 106 | * M = InvScale * Transform * Scale |
| 107 | * |
| 108 | * So we can later transform points using M * p |
| 109 | * |
| 110 | * Where: |
| 111 | * Scale scales coordinates into 0..1 range |
| 112 | * Transform is the user supplied (affine) transform |
| 113 | * InvScale scales coordinates back up into their native range |
| 114 | */ |
| 115 | sx = dev->valuator->axes[0].max_value - dev->valuator->axes[0].min_value + 1; |
| 116 | sy = dev->valuator->axes[1].max_value - dev->valuator->axes[1].min_value + 1; |
| 117 | |
| 118 | /* invscale */ |
| 119 | pixman_f_transform_init_scale(&scale, sx, sy); |
| 120 | scale.m[0][2] = dev->valuator->axes[0].min_value; |
| 121 | scale.m[1][2] = dev->valuator->axes[1].min_value; |
| 122 | |
| 123 | /* transform */ |
| 124 | for (y = 0; y < 3; y++) |
| 125 | for (x = 0; x < 3; x++) |
| 126 | transform.m[y][x] = *transform_data++; |
| 127 | |
| 128 | pixman_f_transform_multiply(&dev->scale_and_transform, &scale, &transform); |
| 129 | |
| 130 | /* scale */ |
| 131 | pixman_f_transform_init_scale(&scale, 1.0 / sx, 1.0 / sy); |
| 132 | scale.m[0][2] = -dev->valuator->axes[0].min_value / sx; |
| 133 | scale.m[1][2] = -dev->valuator->axes[1].min_value / sy; |
| 134 | |
| 135 | pixman_f_transform_multiply(&dev->scale_and_transform, &dev->scale_and_transform, &scale); |
| 136 | |
| 137 | /* remove translation component for relative movements */ |
| 138 | dev->relative_transform = transform; |
| 139 | dev->relative_transform.m[0][2] = 0; |
| 140 | dev->relative_transform.m[1][2] = 0; |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * DIX property handler. |
| 145 | */ |
| 146 | static int |
| 147 | DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop, |
| 148 | BOOL checkonly) |
| 149 | { |
| 150 | if (property == XIGetKnownProperty(XI_PROP_ENABLED)) { |
| 151 | if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1) |
| 152 | return BadValue; |
| 153 | |
| 154 | /* Don't allow disabling of VCP/VCK or XTest devices */ |
| 155 | if ((dev == inputInfo.pointer || |
| 156 | dev == inputInfo.keyboard || |
| 157 | IsXTestDevice(dev, NULL)) |
| 158 | &&!(*(CARD8 *) prop->data)) |
| 159 | return BadAccess; |
| 160 | |
| 161 | if (!checkonly) { |
| 162 | if ((*((CARD8 *) prop->data)) && !dev->enabled) |
| 163 | EnableDevice(dev, TRUE); |
| 164 | else if (!(*((CARD8 *) prop->data)) && dev->enabled) |
| 165 | DisableDevice(dev, TRUE); |
| 166 | } |
| 167 | } |
| 168 | else if (property == XIGetKnownProperty(XI_PROP_TRANSFORM)) { |
| 169 | float *f = (float *) prop->data; |
| 170 | int i; |
| 171 | |
| 172 | if (prop->format != 32 || prop->size != 9 || |
| 173 | prop->type != XIGetKnownProperty(XATOM_FLOAT)) |
| 174 | return BadValue; |
| 175 | |
| 176 | for (i = 0; i < 9; i++) |
| 177 | if (!isfinite(f[i])) |
| 178 | return BadValue; |
| 179 | |
| 180 | if (!checkonly) |
| 181 | DeviceSetTransform(dev, f); |
| 182 | } |
| 183 | |
| 184 | return Success; |
| 185 | } |
| 186 | |
| 187 | /* Pair the keyboard to the pointer device. Keyboard events will follow the |
| 188 | * pointer sprite. Only applicable for master devices. |
| 189 | */ |
| 190 | static int |
| 191 | PairDevices(DeviceIntPtr ptr, DeviceIntPtr kbd) |
| 192 | { |
| 193 | if (!ptr) |
| 194 | return BadDevice; |
| 195 | |
| 196 | /* Don't allow pairing for slave devices */ |
| 197 | if (!IsMaster(ptr) || !IsMaster(kbd)) |
| 198 | return BadDevice; |
| 199 | |
| 200 | if (ptr->spriteInfo->paired) |
| 201 | return BadDevice; |
| 202 | |
| 203 | if (kbd->spriteInfo->spriteOwner) { |
| 204 | free(kbd->spriteInfo->sprite); |
| 205 | kbd->spriteInfo->sprite = NULL; |
| 206 | kbd->spriteInfo->spriteOwner = FALSE; |
| 207 | } |
| 208 | |
| 209 | kbd->spriteInfo->sprite = ptr->spriteInfo->sprite; |
| 210 | kbd->spriteInfo->paired = ptr; |
| 211 | ptr->spriteInfo->paired = kbd; |
| 212 | return Success; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Find and return the next unpaired MD pointer device. |
| 217 | */ |
| 218 | static DeviceIntPtr |
| 219 | NextFreePointerDevice(void) |
| 220 | { |
| 221 | DeviceIntPtr dev; |
| 222 | |
| 223 | for (dev = inputInfo.devices; dev; dev = dev->next) |
| 224 | if (IsMaster(dev) && |
| 225 | dev->spriteInfo->spriteOwner && !dev->spriteInfo->paired) |
| 226 | return dev; |
| 227 | return NULL; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Create a new input device and init it to sane values. The device is added |
| 232 | * to the server's off_devices list. |
| 233 | * |
| 234 | * @param deviceProc Callback for device control function (switch dev on/off). |
| 235 | * @return The newly created device. |
| 236 | */ |
| 237 | DeviceIntPtr |
| 238 | AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart) |
| 239 | { |
| 240 | DeviceIntPtr dev, *prev; /* not a typo */ |
| 241 | DeviceIntPtr devtmp; |
| 242 | int devid; |
| 243 | char devind[MAXDEVICES]; |
| 244 | BOOL enabled; |
| 245 | float transform[9]; |
| 246 | |
| 247 | /* Find next available id, 0 and 1 are reserved */ |
| 248 | memset(devind, 0, sizeof(char) * MAXDEVICES); |
| 249 | for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next) |
| 250 | devind[devtmp->id]++; |
| 251 | for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next) |
| 252 | devind[devtmp->id]++; |
| 253 | for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++); |
| 254 | |
| 255 | if (devid >= MAXDEVICES) |
| 256 | return (DeviceIntPtr) NULL; |
| 257 | dev = calloc(1, |
| 258 | sizeof(DeviceIntRec) + |
| 259 | sizeof(SpriteInfoRec)); |
| 260 | if (!dev) |
| 261 | return (DeviceIntPtr) NULL; |
| 262 | |
| 263 | if (!dixAllocatePrivates(&dev->devPrivates, PRIVATE_DEVICE)) { |
| 264 | free(dev); |
| 265 | return NULL; |
| 266 | } |
| 267 | |
| 268 | if (!dev) |
| 269 | return (DeviceIntPtr) NULL; |
| 270 | |
| 271 | dev->last.scroll = NULL; |
| 272 | dev->last.touches = NULL; |
| 273 | dev->id = devid; |
| 274 | dev->public.processInputProc = ProcessOtherEvent; |
| 275 | dev->public.realInputProc = ProcessOtherEvent; |
| 276 | dev->public.enqueueInputProc = EnqueueEvent; |
| 277 | dev->deviceProc = deviceProc; |
| 278 | dev->startup = autoStart; |
| 279 | |
| 280 | /* device grab defaults */ |
| 281 | dev->deviceGrab.grabTime = currentTime; |
| 282 | dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab; |
| 283 | dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; |
| 284 | dev->deviceGrab.sync.event = calloc(1, sizeof(DeviceEvent)); |
| 285 | |
| 286 | XkbSetExtension(dev, ProcessKeyboardEvent); |
| 287 | |
| 288 | dev->coreEvents = TRUE; |
| 289 | |
| 290 | /* sprite defaults */ |
| 291 | dev->spriteInfo = (SpriteInfoPtr) &dev[1]; |
| 292 | |
| 293 | /* security creation/labeling check |
| 294 | */ |
| 295 | if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) { |
| 296 | dixFreePrivates(dev->devPrivates, PRIVATE_DEVICE); |
| 297 | free(dev); |
| 298 | return NULL; |
| 299 | } |
| 300 | |
| 301 | inputInfo.numDevices++; |
| 302 | |
| 303 | for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next); |
| 304 | *prev = dev; |
| 305 | dev->next = NULL; |
| 306 | |
| 307 | enabled = FALSE; |
| 308 | XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), |
| 309 | XA_INTEGER, 8, PropModeReplace, 1, &enabled, FALSE); |
| 310 | XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), |
| 311 | FALSE); |
| 312 | |
| 313 | /* unity matrix */ |
| 314 | memset(transform, 0, sizeof(transform)); |
| 315 | transform[0] = transform[4] = transform[8] = 1.0f; |
| 316 | dev->relative_transform.m[0][0] = 1.0; |
| 317 | dev->relative_transform.m[1][1] = 1.0; |
| 318 | dev->relative_transform.m[2][2] = 1.0; |
| 319 | dev->scale_and_transform = dev->relative_transform; |
| 320 | |
| 321 | XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), |
| 322 | XIGetKnownProperty(XATOM_FLOAT), 32, |
| 323 | PropModeReplace, 9, transform, FALSE); |
| 324 | XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_TRANSFORM), |
| 325 | FALSE); |
| 326 | |
| 327 | XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL); |
| 328 | |
| 329 | return dev; |
| 330 | } |
| 331 | |
| 332 | void |
| 333 | SendDevicePresenceEvent(int deviceid, int type) |
| 334 | { |
| 335 | DeviceIntRec dummyDev = { .id = XIAllDevices }; |
| 336 | devicePresenceNotify ev = { |
| 337 | .type = DevicePresenceNotify, |
| 338 | .time = currentTime.milliseconds, |
| 339 | .devchange = type, |
| 340 | .deviceid = deviceid |
| 341 | }; |
| 342 | |
| 343 | SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask, |
| 344 | (xEvent *) &ev, 1); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * Enable the device through the driver, add the device to the device list. |
| 349 | * Switch device ON through the driver and push it onto the global device |
| 350 | * list. Initialize the DIX sprite or pair the device. All clients are |
| 351 | * notified about the device being enabled. |
| 352 | * |
| 353 | * A master pointer device needs to be enabled before a master keyboard |
| 354 | * device. |
| 355 | * |
| 356 | * @param The device to be enabled. |
| 357 | * @param sendevent True if an XI2 event should be sent. |
| 358 | * @return TRUE on success or FALSE otherwise. |
| 359 | */ |
| 360 | Bool |
| 361 | EnableDevice(DeviceIntPtr dev, BOOL sendevent) |
| 362 | { |
| 363 | DeviceIntPtr *prev; |
| 364 | int ret; |
| 365 | DeviceIntPtr other; |
| 366 | BOOL enabled; |
| 367 | int flags[MAXDEVICES] = { 0 }; |
| 368 | |
| 369 | for (prev = &inputInfo.off_devices; |
| 370 | *prev && (*prev != dev); prev = &(*prev)->next); |
| 371 | |
| 372 | if (!dev->spriteInfo->sprite) { |
| 373 | if (IsMaster(dev)) { |
| 374 | /* Sprites appear on first root window, so we can hardcode it */ |
| 375 | if (dev->spriteInfo->spriteOwner) { |
| 376 | InitializeSprite(dev, screenInfo.screens[0]->root); |
| 377 | /* mode doesn't matter */ |
| 378 | EnterWindow(dev, screenInfo.screens[0]->root, NotifyAncestor); |
| 379 | } |
| 380 | else { |
| 381 | other = NextFreePointerDevice(); |
| 382 | BUG_RETURN_VAL_MSG(other == NULL, FALSE, |
| 383 | "[dix] cannot find pointer to pair with.\n"); |
| 384 | PairDevices(other, dev); |
| 385 | } |
| 386 | } |
| 387 | else { |
| 388 | if (dev->coreEvents) |
| 389 | other = (IsPointerDevice(dev)) ? inputInfo.pointer : |
| 390 | inputInfo.keyboard; |
| 391 | else |
| 392 | other = NULL; /* auto-float non-core devices */ |
| 393 | AttachDevice(NULL, dev, other); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | if ((*prev != dev) || !dev->inited || |
| 398 | ((ret = (*dev->deviceProc) (dev, DEVICE_ON)) != Success)) { |
| 399 | ErrorF("[dix] couldn't enable device %d\n", dev->id); |
| 400 | return FALSE; |
| 401 | } |
| 402 | dev->enabled = TRUE; |
| 403 | *prev = dev->next; |
| 404 | |
| 405 | for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next); |
| 406 | *prev = dev; |
| 407 | dev->next = NULL; |
| 408 | |
| 409 | enabled = TRUE; |
| 410 | XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), |
| 411 | XA_INTEGER, 8, PropModeReplace, 1, &enabled, TRUE); |
| 412 | |
| 413 | SendDevicePresenceEvent(dev->id, DeviceEnabled); |
| 414 | if (sendevent) { |
| 415 | flags[dev->id] |= XIDeviceEnabled; |
| 416 | XISendDeviceHierarchyEvent(flags); |
| 417 | } |
| 418 | |
| 419 | RecalculateMasterButtons(dev); |
| 420 | |
| 421 | /* initialise an idle timer for this device*/ |
| 422 | dev->idle_counter = SyncInitDeviceIdleTime(dev); |
| 423 | |
| 424 | return TRUE; |
| 425 | } |
| 426 | |
| 427 | |
| 428 | /** |
| 429 | * Switch a device off through the driver and push it onto the off_devices |
| 430 | * list. A device will not send events while disabled. All clients are |
| 431 | * notified about the device being disabled. |
| 432 | * |
| 433 | * Master keyboard devices have to be disabled before master pointer devices |
| 434 | * otherwise things turn bad. |
| 435 | * |
| 436 | * @param sendevent True if an XI2 event should be sent. |
| 437 | * @return TRUE on success or FALSE otherwise. |
| 438 | */ |
| 439 | Bool |
| 440 | DisableDevice(DeviceIntPtr dev, BOOL sendevent) |
| 441 | { |
| 442 | DeviceIntPtr *prev, other; |
| 443 | BOOL enabled; |
| 444 | int flags[MAXDEVICES] = { 0 }; |
| 445 | |
| 446 | if (!dev->enabled) |
| 447 | return TRUE; |
| 448 | |
| 449 | for (prev = &inputInfo.devices; |
| 450 | *prev && (*prev != dev); prev = &(*prev)->next); |
| 451 | if (*prev != dev) |
| 452 | return FALSE; |
| 453 | |
| 454 | TouchEndPhysicallyActiveTouches(dev); |
| 455 | ReleaseButtonsAndKeys(dev); |
| 456 | SyncRemoveDeviceIdleTime(dev->idle_counter); |
| 457 | dev->idle_counter = NULL; |
| 458 | |
| 459 | /* float attached devices */ |
| 460 | if (IsMaster(dev)) { |
| 461 | for (other = inputInfo.devices; other; other = other->next) { |
| 462 | if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev) { |
| 463 | AttachDevice(NULL, other, NULL); |
| 464 | flags[other->id] |= XISlaveDetached; |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | else { |
| 469 | for (other = inputInfo.devices; other; other = other->next) { |
| 470 | if (IsMaster(other) && other->lastSlave == dev) |
| 471 | other->lastSlave = NULL; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | if (IsMaster(dev) && dev->spriteInfo->sprite) { |
| 476 | for (other = inputInfo.devices; other; other = other->next) |
| 477 | if (other->spriteInfo->paired == dev && !other->spriteInfo->spriteOwner) |
| 478 | DisableDevice(other, sendevent); |
| 479 | } |
| 480 | |
| 481 | if (dev->spriteInfo->paired) |
| 482 | dev->spriteInfo->paired = NULL; |
| 483 | |
| 484 | (void) (*dev->deviceProc) (dev, DEVICE_OFF); |
| 485 | dev->enabled = FALSE; |
| 486 | |
| 487 | FreeSprite(dev); |
| 488 | |
| 489 | /* now that the device is disabled, we can reset the signal handler's |
| 490 | * last.slave */ |
| 491 | OsBlockSignals(); |
| 492 | for (other = inputInfo.devices; other; other = other->next) { |
| 493 | if (other->last.slave == dev) |
| 494 | other->last.slave = NULL; |
| 495 | } |
| 496 | OsReleaseSignals(); |
| 497 | |
| 498 | LeaveWindow(dev); |
| 499 | SetFocusOut(dev); |
| 500 | |
| 501 | *prev = dev->next; |
| 502 | dev->next = inputInfo.off_devices; |
| 503 | inputInfo.off_devices = dev; |
| 504 | |
| 505 | enabled = FALSE; |
| 506 | XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), |
| 507 | XA_INTEGER, 8, PropModeReplace, 1, &enabled, TRUE); |
| 508 | |
| 509 | SendDevicePresenceEvent(dev->id, DeviceDisabled); |
| 510 | if (sendevent) { |
| 511 | flags[dev->id] = XIDeviceDisabled; |
| 512 | XISendDeviceHierarchyEvent(flags); |
| 513 | } |
| 514 | |
| 515 | RecalculateMasterButtons(dev); |
| 516 | |
| 517 | return TRUE; |
| 518 | } |
| 519 | |
| 520 | void |
| 521 | DisableAllDevices(void) |
| 522 | { |
| 523 | DeviceIntPtr dev, tmp; |
| 524 | |
| 525 | /* Disable slave devices first, excluding XTest devices */ |
| 526 | nt_list_for_each_entry_safe(dev, tmp, inputInfo.devices, next) { |
| 527 | if (!IsXTestDevice(dev, NULL) && !IsMaster(dev)) |
| 528 | DisableDevice(dev, FALSE); |
| 529 | } |
| 530 | /* Disable XTest devices */ |
| 531 | nt_list_for_each_entry_safe(dev, tmp, inputInfo.devices, next) { |
| 532 | if (!IsMaster(dev)) |
| 533 | DisableDevice(dev, FALSE); |
| 534 | } |
| 535 | /* master keyboards need to be disabled first */ |
| 536 | nt_list_for_each_entry_safe(dev, tmp, inputInfo.devices, next) { |
| 537 | if (dev->enabled && IsMaster(dev) && IsKeyboardDevice(dev)) |
| 538 | DisableDevice(dev, FALSE); |
| 539 | } |
| 540 | nt_list_for_each_entry_safe(dev, tmp, inputInfo.devices, next) { |
| 541 | if (dev->enabled) |
| 542 | DisableDevice(dev, FALSE); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | /** |
| 547 | * Initialise a new device through the driver and tell all clients about the |
| 548 | * new device. |
| 549 | * |
| 550 | * Must be called before EnableDevice. |
| 551 | * The device will NOT send events until it is enabled! |
| 552 | * |
| 553 | * @param sendevent True if an XI2 event should be sent. |
| 554 | * @return Success or an error code on failure. |
| 555 | */ |
| 556 | int |
| 557 | ActivateDevice(DeviceIntPtr dev, BOOL sendevent) |
| 558 | { |
| 559 | int ret = Success; |
| 560 | ScreenPtr pScreen = screenInfo.screens[0]; |
| 561 | |
| 562 | if (!dev || !dev->deviceProc) |
| 563 | return BadImplementation; |
| 564 | |
| 565 | ret = (*dev->deviceProc) (dev, DEVICE_INIT); |
| 566 | dev->inited = (ret == Success); |
| 567 | if (!dev->inited) |
| 568 | return ret; |
| 569 | |
| 570 | /* Initialize memory for sprites. */ |
| 571 | if (IsMaster(dev) && dev->spriteInfo->spriteOwner) |
| 572 | if (!pScreen->DeviceCursorInitialize(dev, pScreen)) |
| 573 | ret = BadAlloc; |
| 574 | |
| 575 | SendDevicePresenceEvent(dev->id, DeviceAdded); |
| 576 | if (sendevent) { |
| 577 | int flags[MAXDEVICES] = { 0 }; |
| 578 | flags[dev->id] = XISlaveAdded; |
| 579 | XISendDeviceHierarchyEvent(flags); |
| 580 | } |
| 581 | return ret; |
| 582 | } |
| 583 | |
| 584 | /** |
| 585 | * Ring the bell. |
| 586 | * The actual task of ringing the bell is the job of the DDX. |
| 587 | */ |
| 588 | static void |
| 589 | CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something) |
| 590 | { |
| 591 | KeybdCtrl *ctrl = arg; |
| 592 | |
| 593 | DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration); |
| 594 | } |
| 595 | |
| 596 | static void |
| 597 | CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl * ctrl) |
| 598 | { |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | /** |
| 603 | * Device control function for the Virtual Core Keyboard. |
| 604 | */ |
| 605 | int |
| 606 | CoreKeyboardProc(DeviceIntPtr pDev, int what) |
| 607 | { |
| 608 | |
| 609 | switch (what) { |
| 610 | case DEVICE_INIT: |
| 611 | if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell, |
| 612 | CoreKeyboardCtl)) { |
| 613 | ErrorF("Keyboard initialization failed. This could be a missing " |
| 614 | "or incorrect setup of xkeyboard-config.\n"); |
| 615 | return BadValue; |
| 616 | } |
| 617 | return Success; |
| 618 | |
| 619 | case DEVICE_ON: |
| 620 | case DEVICE_OFF: |
| 621 | return Success; |
| 622 | |
| 623 | case DEVICE_CLOSE: |
| 624 | return Success; |
| 625 | } |
| 626 | |
| 627 | return BadMatch; |
| 628 | } |
| 629 | |
| 630 | /** |
| 631 | * Device control function for the Virtual Core Pointer. |
| 632 | */ |
| 633 | int |
| 634 | CorePointerProc(DeviceIntPtr pDev, int what) |
| 635 | { |
| 636 | #define NBUTTONS 10 |
| 637 | #define NAXES 2 |
| 638 | BYTE map[NBUTTONS + 1]; |
| 639 | int i = 0; |
| 640 | Atom btn_labels[NBUTTONS] = { 0 }; |
| 641 | Atom axes_labels[NAXES] = { 0 }; |
| 642 | ScreenPtr scr = screenInfo.screens[0]; |
| 643 | |
| 644 | switch (what) { |
| 645 | case DEVICE_INIT: |
| 646 | for (i = 1; i <= NBUTTONS; i++) |
| 647 | map[i] = i; |
| 648 | |
| 649 | btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); |
| 650 | btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); |
| 651 | btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); |
| 652 | btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); |
| 653 | btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); |
| 654 | btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); |
| 655 | btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); |
| 656 | /* don't know about the rest */ |
| 657 | |
| 658 | axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); |
| 659 | axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); |
| 660 | |
| 661 | if (!InitPointerDeviceStruct |
| 662 | ((DevicePtr) pDev, map, NBUTTONS, btn_labels, |
| 663 | (PtrCtrlProcPtr) NoopDDA, GetMotionHistorySize(), NAXES, |
| 664 | axes_labels)) { |
| 665 | ErrorF("Could not initialize device '%s'. Out of memory.\n", |
| 666 | pDev->name); |
| 667 | return BadAlloc; /* IPDS only fails on allocs */ |
| 668 | } |
| 669 | /* axisVal is per-screen, last.valuators is desktop-wide */ |
| 670 | pDev->valuator->axisVal[0] = scr->width / 2; |
| 671 | pDev->last.valuators[0] = pDev->valuator->axisVal[0] + scr->x; |
| 672 | pDev->valuator->axisVal[1] = scr->height / 2; |
| 673 | pDev->last.valuators[1] = pDev->valuator->axisVal[1] + scr->y; |
| 674 | break; |
| 675 | |
| 676 | case DEVICE_CLOSE: |
| 677 | break; |
| 678 | |
| 679 | default: |
| 680 | break; |
| 681 | } |
| 682 | |
| 683 | return Success; |
| 684 | |
| 685 | #undef NBUTTONS |
| 686 | #undef NAXES |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * Initialise the two core devices, VCP and VCK (see events.c). |
| 691 | * Both devices are not tied to physical devices, but guarantee that there is |
| 692 | * always a keyboard and a pointer present and keep the protocol semantics. |
| 693 | * |
| 694 | * Note that the server MUST have two core devices at all times, even if there |
| 695 | * is no physical device connected. |
| 696 | */ |
| 697 | void |
| 698 | InitCoreDevices(void) |
| 699 | { |
| 700 | if (AllocDevicePair(serverClient, "Virtual core", |
| 701 | &inputInfo.pointer, &inputInfo.keyboard, |
| 702 | CorePointerProc, CoreKeyboardProc, TRUE) != Success) |
| 703 | FatalError("Failed to allocate core devices"); |
| 704 | |
| 705 | if (ActivateDevice(inputInfo.pointer, TRUE) != Success || |
| 706 | ActivateDevice(inputInfo.keyboard, TRUE) != Success) |
| 707 | FatalError("Failed to activate core devices."); |
| 708 | if (!EnableDevice(inputInfo.pointer, TRUE) || |
| 709 | !EnableDevice(inputInfo.keyboard, TRUE)) |
| 710 | FatalError("Failed to enable core devices."); |
| 711 | |
| 712 | InitXTestDevices(); |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Activate all switched-off devices and then enable all those devices. |
| 717 | * |
| 718 | * Will return an error if no core keyboard or core pointer is present. |
| 719 | * In theory this should never happen if you call InitCoreDevices() first. |
| 720 | * |
| 721 | * InitAndStartDevices needs to be called AFTER the windows are initialized. |
| 722 | * Devices will start sending events after InitAndStartDevices() has |
| 723 | * completed. |
| 724 | * |
| 725 | * @return Success or error code on failure. |
| 726 | */ |
| 727 | int |
| 728 | InitAndStartDevices(void) |
| 729 | { |
| 730 | DeviceIntPtr dev, next; |
| 731 | |
| 732 | for (dev = inputInfo.off_devices; dev; dev = dev->next) { |
| 733 | DebugF("(dix) initialising device %d\n", dev->id); |
| 734 | if (!dev->inited) |
| 735 | ActivateDevice(dev, TRUE); |
| 736 | } |
| 737 | |
| 738 | /* enable real devices */ |
| 739 | for (dev = inputInfo.off_devices; dev; dev = next) { |
| 740 | DebugF("(dix) enabling device %d\n", dev->id); |
| 741 | next = dev->next; |
| 742 | if (dev->inited && dev->startup) |
| 743 | EnableDevice(dev, TRUE); |
| 744 | } |
| 745 | |
| 746 | return Success; |
| 747 | } |
| 748 | |
| 749 | /** |
| 750 | * Free the given device class and reset the pointer to NULL. |
| 751 | */ |
| 752 | static void |
| 753 | FreeDeviceClass(int type, pointer *class) |
| 754 | { |
| 755 | if (!(*class)) |
| 756 | return; |
| 757 | |
| 758 | switch (type) { |
| 759 | case KeyClass: |
| 760 | { |
| 761 | KeyClassPtr *k = (KeyClassPtr *) class; |
| 762 | |
| 763 | if ((*k)->xkbInfo) { |
| 764 | XkbFreeInfo((*k)->xkbInfo); |
| 765 | (*k)->xkbInfo = NULL; |
| 766 | } |
| 767 | free((*k)); |
| 768 | break; |
| 769 | } |
| 770 | case ButtonClass: |
| 771 | { |
| 772 | ButtonClassPtr *b = (ButtonClassPtr *) class; |
| 773 | |
| 774 | free((*b)->xkb_acts); |
| 775 | free((*b)); |
| 776 | break; |
| 777 | } |
| 778 | case ValuatorClass: |
| 779 | { |
| 780 | ValuatorClassPtr *v = (ValuatorClassPtr *) class; |
| 781 | |
| 782 | free((*v)->motion); |
| 783 | free((*v)); |
| 784 | break; |
| 785 | } |
| 786 | case XITouchClass: |
| 787 | { |
| 788 | TouchClassPtr *t = (TouchClassPtr *) class; |
| 789 | int i; |
| 790 | |
| 791 | for (i = 0; i < (*t)->num_touches; i++) { |
| 792 | free((*t)->touches[i].sprite.spriteTrace); |
| 793 | free((*t)->touches[i].listeners); |
| 794 | free((*t)->touches[i].valuators); |
| 795 | } |
| 796 | |
| 797 | free((*t)->touches); |
| 798 | free((*t)); |
| 799 | break; |
| 800 | } |
| 801 | case FocusClass: |
| 802 | { |
| 803 | FocusClassPtr *f = (FocusClassPtr *) class; |
| 804 | |
| 805 | free((*f)->trace); |
| 806 | free((*f)); |
| 807 | break; |
| 808 | } |
| 809 | case ProximityClass: |
| 810 | { |
| 811 | ProximityClassPtr *p = (ProximityClassPtr *) class; |
| 812 | |
| 813 | free((*p)); |
| 814 | break; |
| 815 | } |
| 816 | } |
| 817 | *class = NULL; |
| 818 | } |
| 819 | |
| 820 | static void |
| 821 | FreeFeedbackClass(int type, pointer *class) |
| 822 | { |
| 823 | if (!(*class)) |
| 824 | return; |
| 825 | |
| 826 | switch (type) { |
| 827 | case KbdFeedbackClass: |
| 828 | { |
| 829 | KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr *) class; |
| 830 | KbdFeedbackPtr k, knext; |
| 831 | |
| 832 | for (k = (*kbdfeed); k; k = knext) { |
| 833 | knext = k->next; |
| 834 | if (k->xkb_sli) |
| 835 | XkbFreeSrvLedInfo(k->xkb_sli); |
| 836 | free(k); |
| 837 | } |
| 838 | break; |
| 839 | } |
| 840 | case PtrFeedbackClass: |
| 841 | { |
| 842 | PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr *) class; |
| 843 | PtrFeedbackPtr p, pnext; |
| 844 | |
| 845 | for (p = (*ptrfeed); p; p = pnext) { |
| 846 | pnext = p->next; |
| 847 | free(p); |
| 848 | } |
| 849 | break; |
| 850 | } |
| 851 | case IntegerFeedbackClass: |
| 852 | { |
| 853 | IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr *) class; |
| 854 | IntegerFeedbackPtr i, inext; |
| 855 | |
| 856 | for (i = (*intfeed); i; i = inext) { |
| 857 | inext = i->next; |
| 858 | free(i); |
| 859 | } |
| 860 | break; |
| 861 | } |
| 862 | case StringFeedbackClass: |
| 863 | { |
| 864 | StringFeedbackPtr *stringfeed = (StringFeedbackPtr *) class; |
| 865 | StringFeedbackPtr s, snext; |
| 866 | |
| 867 | for (s = (*stringfeed); s; s = snext) { |
| 868 | snext = s->next; |
| 869 | free(s->ctrl.symbols_supported); |
| 870 | free(s->ctrl.symbols_displayed); |
| 871 | free(s); |
| 872 | } |
| 873 | break; |
| 874 | } |
| 875 | case BellFeedbackClass: |
| 876 | { |
| 877 | BellFeedbackPtr *bell = (BellFeedbackPtr *) class; |
| 878 | BellFeedbackPtr b, bnext; |
| 879 | |
| 880 | for (b = (*bell); b; b = bnext) { |
| 881 | bnext = b->next; |
| 882 | free(b); |
| 883 | } |
| 884 | break; |
| 885 | } |
| 886 | case LedFeedbackClass: |
| 887 | { |
| 888 | LedFeedbackPtr *leds = (LedFeedbackPtr *) class; |
| 889 | LedFeedbackPtr l, lnext; |
| 890 | |
| 891 | for (l = (*leds); l; l = lnext) { |
| 892 | lnext = l->next; |
| 893 | if (l->xkb_sli) |
| 894 | XkbFreeSrvLedInfo(l->xkb_sli); |
| 895 | free(l); |
| 896 | } |
| 897 | break; |
| 898 | } |
| 899 | } |
| 900 | *class = NULL; |
| 901 | } |
| 902 | |
| 903 | static void |
| 904 | FreeAllDeviceClasses(ClassesPtr classes) |
| 905 | { |
| 906 | if (!classes) |
| 907 | return; |
| 908 | |
| 909 | FreeDeviceClass(KeyClass, (pointer) &classes->key); |
| 910 | FreeDeviceClass(ValuatorClass, (pointer) &classes->valuator); |
| 911 | FreeDeviceClass(XITouchClass, (pointer) &classes->touch); |
| 912 | FreeDeviceClass(ButtonClass, (pointer) &classes->button); |
| 913 | FreeDeviceClass(FocusClass, (pointer) &classes->focus); |
| 914 | FreeDeviceClass(ProximityClass, (pointer) &classes->proximity); |
| 915 | |
| 916 | FreeFeedbackClass(KbdFeedbackClass, (pointer) &classes->kbdfeed); |
| 917 | FreeFeedbackClass(PtrFeedbackClass, (pointer) &classes->ptrfeed); |
| 918 | FreeFeedbackClass(IntegerFeedbackClass, (pointer) &classes->intfeed); |
| 919 | FreeFeedbackClass(StringFeedbackClass, (pointer) &classes->stringfeed); |
| 920 | FreeFeedbackClass(BellFeedbackClass, (pointer) &classes->bell); |
| 921 | FreeFeedbackClass(LedFeedbackClass, (pointer) &classes->leds); |
| 922 | |
| 923 | } |
| 924 | |
| 925 | /** |
| 926 | * Close down a device and free all resources. |
| 927 | * Once closed down, the driver will probably not expect you that you'll ever |
| 928 | * enable it again and free associated structs. If you want the device to just |
| 929 | * be disabled, DisableDevice(). |
| 930 | * Don't call this function directly, use RemoveDevice() instead. |
| 931 | */ |
| 932 | static void |
| 933 | CloseDevice(DeviceIntPtr dev) |
| 934 | { |
| 935 | ScreenPtr screen = screenInfo.screens[0]; |
| 936 | ClassesPtr classes; |
| 937 | int j; |
| 938 | |
| 939 | if (!dev) |
| 940 | return; |
| 941 | |
| 942 | XIDeleteAllDeviceProperties(dev); |
| 943 | |
| 944 | if (dev->inited) |
| 945 | (void) (*dev->deviceProc) (dev, DEVICE_CLOSE); |
| 946 | |
| 947 | /* free sprite memory */ |
| 948 | if (IsMaster(dev) && dev->spriteInfo->sprite) |
| 949 | screen->DeviceCursorCleanup(dev, screen); |
| 950 | |
| 951 | /* free acceleration info */ |
| 952 | if (dev->valuator && dev->valuator->accelScheme.AccelCleanupProc) |
| 953 | dev->valuator->accelScheme.AccelCleanupProc(dev); |
| 954 | |
| 955 | while (dev->xkb_interest) |
| 956 | XkbRemoveResourceClient((DevicePtr) dev, dev->xkb_interest->resource); |
| 957 | |
| 958 | free(dev->name); |
| 959 | |
| 960 | classes = (ClassesPtr) &dev->key; |
| 961 | FreeAllDeviceClasses(classes); |
| 962 | |
| 963 | if (IsMaster(dev)) { |
| 964 | classes = dev->unused_classes; |
| 965 | FreeAllDeviceClasses(classes); |
| 966 | free(classes); |
| 967 | } |
| 968 | |
| 969 | FreeSprite(dev); |
| 970 | |
| 971 | /* a client may have the device set as client pointer */ |
| 972 | for (j = 0; j < currentMaxClients; j++) { |
| 973 | if (clients[j] && clients[j]->clientPtr == dev) { |
| 974 | clients[j]->clientPtr = NULL; |
| 975 | clients[j]->clientPtr = PickPointer(clients[j]); |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | if (dev->deviceGrab.grab) |
| 980 | FreeGrab(dev->deviceGrab.grab); |
| 981 | free(dev->deviceGrab.sync.event); |
| 982 | free(dev->config_info); /* Allocated in xf86ActivateDevice. */ |
| 983 | free(dev->last.scroll); |
| 984 | for (j = 0; j < dev->last.num_touches; j++) |
| 985 | free(dev->last.touches[j].valuators); |
| 986 | free(dev->last.touches); |
| 987 | dev->config_info = NULL; |
| 988 | dixFreePrivates(dev->devPrivates, PRIVATE_DEVICE); |
| 989 | free(dev); |
| 990 | } |
| 991 | |
| 992 | /** |
| 993 | * Shut down all devices of one list and free all resources. |
| 994 | */ |
| 995 | static |
| 996 | void |
| 997 | CloseDeviceList(DeviceIntPtr *listHead) |
| 998 | { |
| 999 | /* Used to mark devices that we tried to free */ |
| 1000 | Bool freedIds[MAXDEVICES]; |
| 1001 | DeviceIntPtr dev; |
| 1002 | int i; |
| 1003 | |
| 1004 | if (listHead == NULL) |
| 1005 | return; |
| 1006 | |
| 1007 | for (i = 0; i < MAXDEVICES; i++) |
| 1008 | freedIds[i] = FALSE; |
| 1009 | |
| 1010 | dev = *listHead; |
| 1011 | while (dev != NULL) { |
| 1012 | freedIds[dev->id] = TRUE; |
| 1013 | DeleteInputDeviceRequest(dev); |
| 1014 | |
| 1015 | dev = *listHead; |
| 1016 | while (dev != NULL && freedIds[dev->id]) |
| 1017 | dev = dev->next; |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | /** |
| 1022 | * Shut down all devices, free all resources, etc. |
| 1023 | * Only useful if you're shutting down the server! |
| 1024 | */ |
| 1025 | void |
| 1026 | CloseDownDevices(void) |
| 1027 | { |
| 1028 | DeviceIntPtr dev; |
| 1029 | |
| 1030 | OsBlockSignals(); |
| 1031 | |
| 1032 | /* Float all SDs before closing them. Note that at this point resources |
| 1033 | * (e.g. cursors) have been freed already, so we can't just call |
| 1034 | * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master |
| 1035 | * to NULL and pretend nothing happened. |
| 1036 | */ |
| 1037 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 1038 | if (!IsMaster(dev) && !IsFloating(dev)) |
| 1039 | dev->master = NULL; |
| 1040 | } |
| 1041 | |
| 1042 | CloseDeviceList(&inputInfo.devices); |
| 1043 | CloseDeviceList(&inputInfo.off_devices); |
| 1044 | |
| 1045 | CloseDevice(inputInfo.pointer); |
| 1046 | |
| 1047 | CloseDevice(inputInfo.keyboard); |
| 1048 | |
| 1049 | inputInfo.devices = NULL; |
| 1050 | inputInfo.off_devices = NULL; |
| 1051 | inputInfo.keyboard = NULL; |
| 1052 | inputInfo.pointer = NULL; |
| 1053 | |
| 1054 | XkbDeleteRulesDflts(); |
| 1055 | XkbDeleteRulesUsed(); |
| 1056 | |
| 1057 | OsReleaseSignals(); |
| 1058 | } |
| 1059 | |
| 1060 | /** |
| 1061 | * Signal all devices that we're in the process of aborting. |
| 1062 | * This function is called from a signal handler. |
| 1063 | */ |
| 1064 | void |
| 1065 | AbortDevices(void) |
| 1066 | { |
| 1067 | DeviceIntPtr dev; |
| 1068 | nt_list_for_each_entry(dev, inputInfo.devices, next) { |
| 1069 | if (!IsMaster(dev)) |
| 1070 | (*dev->deviceProc) (dev, DEVICE_ABORT); |
| 1071 | } |
| 1072 | |
| 1073 | nt_list_for_each_entry(dev, inputInfo.off_devices, next) { |
| 1074 | if (!IsMaster(dev)) |
| 1075 | (*dev->deviceProc) (dev, DEVICE_ABORT); |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | /** |
| 1080 | * Remove the cursor sprite for all devices. This needs to be done before any |
| 1081 | * resources are freed or any device is deleted. |
| 1082 | */ |
| 1083 | void |
| 1084 | UndisplayDevices(void) |
| 1085 | { |
| 1086 | DeviceIntPtr dev; |
| 1087 | ScreenPtr screen = screenInfo.screens[0]; |
| 1088 | |
| 1089 | for (dev = inputInfo.devices; dev; dev = dev->next) |
| 1090 | screen->DisplayCursor(dev, screen, NullCursor); |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * Remove a device from the device list, closes it and thus frees all |
| 1095 | * resources. |
| 1096 | * Removes both enabled and disabled devices and notifies all devices about |
| 1097 | * the removal of the device. |
| 1098 | * |
| 1099 | * No PresenceNotify is sent for device that the client never saw. This can |
| 1100 | * happen if a malloc fails during the addition of master devices. If |
| 1101 | * dev->init is FALSE it means the client never received a DeviceAdded event, |
| 1102 | * so let's not send a DeviceRemoved event either. |
| 1103 | * |
| 1104 | * @param sendevent True if an XI2 event should be sent. |
| 1105 | */ |
| 1106 | int |
| 1107 | RemoveDevice(DeviceIntPtr dev, BOOL sendevent) |
| 1108 | { |
| 1109 | DeviceIntPtr prev, tmp, next; |
| 1110 | int ret = BadMatch; |
| 1111 | ScreenPtr screen = screenInfo.screens[0]; |
| 1112 | int deviceid; |
| 1113 | int initialized; |
| 1114 | int flags[MAXDEVICES] = { 0 }; |
| 1115 | |
| 1116 | DebugF("(dix) removing device %d\n", dev->id); |
| 1117 | |
| 1118 | if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer) |
| 1119 | return BadImplementation; |
| 1120 | |
| 1121 | initialized = dev->inited; |
| 1122 | deviceid = dev->id; |
| 1123 | |
| 1124 | if (initialized) { |
| 1125 | if (DevHasCursor(dev)) |
| 1126 | screen->DisplayCursor(dev, screen, NullCursor); |
| 1127 | |
| 1128 | DisableDevice(dev, sendevent); |
| 1129 | flags[dev->id] = XIDeviceDisabled; |
| 1130 | } |
| 1131 | |
| 1132 | prev = NULL; |
| 1133 | for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) { |
| 1134 | next = tmp->next; |
| 1135 | if (tmp == dev) { |
| 1136 | |
| 1137 | if (prev == NULL) |
| 1138 | inputInfo.devices = next; |
| 1139 | else |
| 1140 | prev->next = next; |
| 1141 | |
| 1142 | flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; |
| 1143 | CloseDevice(tmp); |
| 1144 | ret = Success; |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | prev = NULL; |
| 1149 | for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) { |
| 1150 | next = tmp->next; |
| 1151 | if (tmp == dev) { |
| 1152 | flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; |
| 1153 | CloseDevice(tmp); |
| 1154 | |
| 1155 | if (prev == NULL) |
| 1156 | inputInfo.off_devices = next; |
| 1157 | else |
| 1158 | prev->next = next; |
| 1159 | |
| 1160 | ret = Success; |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | if (ret == Success && initialized) { |
| 1165 | inputInfo.numDevices--; |
| 1166 | SendDevicePresenceEvent(deviceid, DeviceRemoved); |
| 1167 | if (sendevent) |
| 1168 | XISendDeviceHierarchyEvent(flags); |
| 1169 | } |
| 1170 | |
| 1171 | return ret; |
| 1172 | } |
| 1173 | |
| 1174 | int |
| 1175 | NumMotionEvents(void) |
| 1176 | { |
| 1177 | /* only called to fill data in initial connection reply. |
| 1178 | * VCP is ok here, it is the only fixed device we have. */ |
| 1179 | return inputInfo.pointer->valuator->numMotionEvents; |
| 1180 | } |
| 1181 | |
| 1182 | int |
| 1183 | dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode) |
| 1184 | { |
| 1185 | DeviceIntPtr dev; |
| 1186 | int rc; |
| 1187 | |
| 1188 | *pDev = NULL; |
| 1189 | |
| 1190 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 1191 | if (dev->id == id) |
| 1192 | goto found; |
| 1193 | } |
| 1194 | for (dev = inputInfo.off_devices; dev; dev = dev->next) { |
| 1195 | if (dev->id == id) |
| 1196 | goto found; |
| 1197 | } |
| 1198 | return BadDevice; |
| 1199 | |
| 1200 | found: |
| 1201 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); |
| 1202 | if (rc == Success) |
| 1203 | *pDev = dev; |
| 1204 | return rc; |
| 1205 | } |
| 1206 | |
| 1207 | void |
| 1208 | QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode) |
| 1209 | { |
| 1210 | if (inputInfo.keyboard) { |
| 1211 | *minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code; |
| 1212 | *maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code; |
| 1213 | } |
| 1214 | } |
| 1215 | |
| 1216 | /* Notably, this function does not expand the destination's keycode range, or |
| 1217 | * notify clients. */ |
| 1218 | Bool |
| 1219 | SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src) |
| 1220 | { |
| 1221 | int i, j; |
| 1222 | KeySym *tmp; |
| 1223 | int rowDif = src->minKeyCode - dst->minKeyCode; |
| 1224 | |
| 1225 | /* if keysym map size changes, grow map first */ |
| 1226 | if (src->mapWidth < dst->mapWidth) { |
| 1227 | for (i = src->minKeyCode; i <= src->maxKeyCode; i++) { |
| 1228 | #define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c)) |
| 1229 | #define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c)) |
| 1230 | for (j = 0; j < src->mapWidth; j++) |
| 1231 | dst->map[DI(i, j)] = src->map[SI(i, j)]; |
| 1232 | for (j = src->mapWidth; j < dst->mapWidth; j++) |
| 1233 | dst->map[DI(i, j)] = NoSymbol; |
| 1234 | #undef SI |
| 1235 | #undef DI |
| 1236 | } |
| 1237 | return TRUE; |
| 1238 | } |
| 1239 | else if (src->mapWidth > dst->mapWidth) { |
| 1240 | i = sizeof(KeySym) * src->mapWidth * |
| 1241 | (dst->maxKeyCode - dst->minKeyCode + 1); |
| 1242 | tmp = calloc(sizeof(KeySym), i); |
| 1243 | if (!tmp) |
| 1244 | return FALSE; |
| 1245 | |
| 1246 | if (dst->map) { |
| 1247 | for (i = 0; i <= dst->maxKeyCode - dst->minKeyCode; i++) |
| 1248 | memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth], |
| 1249 | dst->mapWidth * sizeof(KeySym)); |
| 1250 | free(dst->map); |
| 1251 | } |
| 1252 | dst->mapWidth = src->mapWidth; |
| 1253 | dst->map = tmp; |
| 1254 | } |
| 1255 | else if (!dst->map) { |
| 1256 | i = sizeof(KeySym) * src->mapWidth * |
| 1257 | (dst->maxKeyCode - dst->minKeyCode + 1); |
| 1258 | tmp = calloc(sizeof(KeySym), i); |
| 1259 | if (!tmp) |
| 1260 | return FALSE; |
| 1261 | |
| 1262 | dst->map = tmp; |
| 1263 | dst->mapWidth = src->mapWidth; |
| 1264 | } |
| 1265 | |
| 1266 | memmove(&dst->map[rowDif * dst->mapWidth], src->map, |
| 1267 | (src->maxKeyCode - src->minKeyCode + 1) * |
| 1268 | dst->mapWidth * sizeof(KeySym)); |
| 1269 | |
| 1270 | return TRUE; |
| 1271 | } |
| 1272 | |
| 1273 | Bool |
| 1274 | InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom *labels, |
| 1275 | CARD8 *map) |
| 1276 | { |
| 1277 | ButtonClassPtr butc; |
| 1278 | int i; |
| 1279 | |
| 1280 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1281 | BUG_RETURN_VAL(dev->button != NULL, FALSE); |
| 1282 | BUG_RETURN_VAL(numButtons >= MAX_BUTTONS, FALSE); |
| 1283 | |
| 1284 | butc = calloc(1, sizeof(ButtonClassRec)); |
| 1285 | if (!butc) |
| 1286 | return FALSE; |
| 1287 | butc->numButtons = numButtons; |
| 1288 | butc->sourceid = dev->id; |
| 1289 | for (i = 1; i <= numButtons; i++) |
| 1290 | butc->map[i] = map[i]; |
| 1291 | for (i = numButtons + 1; i < MAP_LENGTH; i++) |
| 1292 | butc->map[i] = i; |
| 1293 | memcpy(butc->labels, labels, numButtons * sizeof(Atom)); |
| 1294 | dev->button = butc; |
| 1295 | return TRUE; |
| 1296 | } |
| 1297 | |
| 1298 | /** |
| 1299 | * Allocate a valuator class and set up the pointers for the axis values |
| 1300 | * appropriately. |
| 1301 | * |
| 1302 | * @param src If non-NULL, the memory is reallocated from src. If NULL, the |
| 1303 | * memory is calloc'd. |
| 1304 | * @parma numAxes Number of axes to allocate. |
| 1305 | * @return The allocated valuator struct. |
| 1306 | */ |
| 1307 | ValuatorClassPtr |
| 1308 | AllocValuatorClass(ValuatorClassPtr src, int numAxes) |
| 1309 | { |
| 1310 | ValuatorClassPtr v; |
| 1311 | |
| 1312 | /* force alignment with double */ |
| 1313 | union align_u { |
| 1314 | ValuatorClassRec valc; |
| 1315 | double d; |
| 1316 | } *align; |
| 1317 | int size; |
| 1318 | |
| 1319 | size = |
| 1320 | sizeof(union align_u) + numAxes * (sizeof(double) + sizeof(AxisInfo)); |
| 1321 | align = (union align_u *) realloc(src, size); |
| 1322 | |
| 1323 | if (!align) |
| 1324 | return NULL; |
| 1325 | |
| 1326 | if (!src) |
| 1327 | memset(align, 0, size); |
| 1328 | |
| 1329 | v = &align->valc; |
| 1330 | v->numAxes = numAxes; |
| 1331 | v->axisVal = (double *) (align + 1); |
| 1332 | v->axes = (AxisInfoPtr) (v->axisVal + numAxes); |
| 1333 | |
| 1334 | return v; |
| 1335 | } |
| 1336 | |
| 1337 | Bool |
| 1338 | InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels, |
| 1339 | int numMotionEvents, int mode) |
| 1340 | { |
| 1341 | int i; |
| 1342 | ValuatorClassPtr valc; |
| 1343 | |
| 1344 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1345 | |
| 1346 | if (numAxes > MAX_VALUATORS) { |
| 1347 | LogMessage(X_WARNING, |
| 1348 | "Device '%s' has %d axes, only using first %d.\n", |
| 1349 | dev->name, numAxes, MAX_VALUATORS); |
| 1350 | numAxes = MAX_VALUATORS; |
| 1351 | } |
| 1352 | |
| 1353 | valc = AllocValuatorClass(NULL, numAxes); |
| 1354 | if (!valc) |
| 1355 | return FALSE; |
| 1356 | |
| 1357 | dev->last.scroll = valuator_mask_new(numAxes); |
| 1358 | if (!dev->last.scroll) { |
| 1359 | free(valc); |
| 1360 | return FALSE; |
| 1361 | } |
| 1362 | |
| 1363 | valc->sourceid = dev->id; |
| 1364 | valc->motion = NULL; |
| 1365 | valc->first_motion = 0; |
| 1366 | valc->last_motion = 0; |
| 1367 | valc->h_scroll_axis = -1; |
| 1368 | valc->v_scroll_axis = -1; |
| 1369 | |
| 1370 | valc->numMotionEvents = numMotionEvents; |
| 1371 | valc->motionHintWindow = NullWindow; |
| 1372 | |
| 1373 | if ((mode & OutOfProximity) && !dev->proximity) |
| 1374 | InitProximityClassDeviceStruct(dev); |
| 1375 | |
| 1376 | dev->valuator = valc; |
| 1377 | |
| 1378 | AllocateMotionHistory(dev); |
| 1379 | |
| 1380 | for (i = 0; i < numAxes; i++) { |
| 1381 | InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, |
| 1382 | NO_AXIS_LIMITS, 0, 0, 0, mode); |
| 1383 | valc->axisVal[i] = 0; |
| 1384 | } |
| 1385 | |
| 1386 | dev->last.numValuators = numAxes; |
| 1387 | |
| 1388 | if (IsMaster(dev) || /* do not accelerate master or xtest devices */ |
| 1389 | IsXTestDevice(dev, NULL)) |
| 1390 | InitPointerAccelerationScheme(dev, PtrAccelNoOp); |
| 1391 | else |
| 1392 | InitPointerAccelerationScheme(dev, PtrAccelDefault); |
| 1393 | return TRUE; |
| 1394 | } |
| 1395 | |
| 1396 | /* global list of acceleration schemes */ |
| 1397 | ValuatorAccelerationRec pointerAccelerationScheme[] = { |
| 1398 | {PtrAccelNoOp, NULL, NULL, NULL, NULL}, |
| 1399 | {PtrAccelPredictable, acceleratePointerPredictable, NULL, |
| 1400 | InitPredictableAccelerationScheme, AccelerationDefaultCleanup}, |
| 1401 | {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL}, |
| 1402 | {-1, NULL, NULL, NULL, NULL} /* terminator */ |
| 1403 | }; |
| 1404 | |
| 1405 | /** |
| 1406 | * install an acceleration scheme. returns TRUE on success, and should not |
| 1407 | * change anything if unsuccessful. |
| 1408 | */ |
| 1409 | Bool |
| 1410 | InitPointerAccelerationScheme(DeviceIntPtr dev, int scheme) |
| 1411 | { |
| 1412 | int x, i = -1; |
| 1413 | ValuatorClassPtr val; |
| 1414 | |
| 1415 | val = dev->valuator; |
| 1416 | |
| 1417 | if (!val) |
| 1418 | return FALSE; |
| 1419 | |
| 1420 | if (IsMaster(dev) && scheme != PtrAccelNoOp) |
| 1421 | return FALSE; |
| 1422 | |
| 1423 | for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) { |
| 1424 | if (pointerAccelerationScheme[x].number == scheme) { |
| 1425 | i = x; |
| 1426 | break; |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | if (-1 == i) |
| 1431 | return FALSE; |
| 1432 | |
| 1433 | if (val->accelScheme.AccelCleanupProc) |
| 1434 | val->accelScheme.AccelCleanupProc(dev); |
| 1435 | |
| 1436 | if (pointerAccelerationScheme[i].AccelInitProc) { |
| 1437 | if (!pointerAccelerationScheme[i].AccelInitProc(dev, |
| 1438 | &pointerAccelerationScheme[i])) { |
| 1439 | return FALSE; |
| 1440 | } |
| 1441 | } |
| 1442 | else { |
| 1443 | val->accelScheme = pointerAccelerationScheme[i]; |
| 1444 | } |
| 1445 | return TRUE; |
| 1446 | } |
| 1447 | |
| 1448 | Bool |
| 1449 | InitFocusClassDeviceStruct(DeviceIntPtr dev) |
| 1450 | { |
| 1451 | FocusClassPtr focc; |
| 1452 | |
| 1453 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1454 | BUG_RETURN_VAL(dev->focus != NULL, FALSE); |
| 1455 | |
| 1456 | focc = malloc(sizeof(FocusClassRec)); |
| 1457 | if (!focc) |
| 1458 | return FALSE; |
| 1459 | focc->win = PointerRootWin; |
| 1460 | focc->revert = None; |
| 1461 | focc->time = currentTime; |
| 1462 | focc->trace = (WindowPtr *) NULL; |
| 1463 | focc->traceSize = 0; |
| 1464 | focc->traceGood = 0; |
| 1465 | focc->sourceid = dev->id; |
| 1466 | dev->focus = focc; |
| 1467 | return TRUE; |
| 1468 | } |
| 1469 | |
| 1470 | Bool |
| 1471 | InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc) |
| 1472 | { |
| 1473 | PtrFeedbackPtr feedc; |
| 1474 | |
| 1475 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1476 | BUG_RETURN_VAL(dev->ptrfeed != NULL, FALSE); |
| 1477 | |
| 1478 | feedc = malloc(sizeof(PtrFeedbackClassRec)); |
| 1479 | if (!feedc) |
| 1480 | return FALSE; |
| 1481 | feedc->CtrlProc = controlProc; |
| 1482 | feedc->ctrl = defaultPointerControl; |
| 1483 | feedc->ctrl.id = 0; |
| 1484 | if ((feedc->next = dev->ptrfeed)) |
| 1485 | feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1; |
| 1486 | dev->ptrfeed = feedc; |
| 1487 | (*controlProc) (dev, &feedc->ctrl); |
| 1488 | return TRUE; |
| 1489 | } |
| 1490 | |
| 1491 | static LedCtrl defaultLedControl = { |
| 1492 | DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0 |
| 1493 | }; |
| 1494 | |
| 1495 | static BellCtrl defaultBellControl = { |
| 1496 | DEFAULT_BELL, |
| 1497 | DEFAULT_BELL_PITCH, |
| 1498 | DEFAULT_BELL_DURATION, |
| 1499 | 0 |
| 1500 | }; |
| 1501 | |
| 1502 | static IntegerCtrl defaultIntegerControl = { |
| 1503 | DEFAULT_INT_RESOLUTION, |
| 1504 | DEFAULT_INT_MIN_VALUE, |
| 1505 | DEFAULT_INT_MAX_VALUE, |
| 1506 | DEFAULT_INT_DISPLAYED, |
| 1507 | 0 |
| 1508 | }; |
| 1509 | |
| 1510 | Bool |
| 1511 | InitStringFeedbackClassDeviceStruct(DeviceIntPtr dev, |
| 1512 | StringCtrlProcPtr controlProc, |
| 1513 | int max_symbols, int num_symbols_supported, |
| 1514 | KeySym * symbols) |
| 1515 | { |
| 1516 | int i; |
| 1517 | StringFeedbackPtr feedc; |
| 1518 | |
| 1519 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1520 | BUG_RETURN_VAL(dev->stringfeed != NULL, FALSE); |
| 1521 | |
| 1522 | feedc = malloc(sizeof(StringFeedbackClassRec)); |
| 1523 | if (!feedc) |
| 1524 | return FALSE; |
| 1525 | feedc->CtrlProc = controlProc; |
| 1526 | feedc->ctrl.num_symbols_supported = num_symbols_supported; |
| 1527 | feedc->ctrl.num_symbols_displayed = 0; |
| 1528 | feedc->ctrl.max_symbols = max_symbols; |
| 1529 | feedc->ctrl.symbols_supported = |
| 1530 | malloc(sizeof(KeySym) * num_symbols_supported); |
| 1531 | feedc->ctrl.symbols_displayed = malloc(sizeof(KeySym) * max_symbols); |
| 1532 | if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed) { |
| 1533 | free(feedc->ctrl.symbols_supported); |
| 1534 | free(feedc->ctrl.symbols_displayed); |
| 1535 | free(feedc); |
| 1536 | return FALSE; |
| 1537 | } |
| 1538 | for (i = 0; i < num_symbols_supported; i++) |
| 1539 | *(feedc->ctrl.symbols_supported + i) = *symbols++; |
| 1540 | for (i = 0; i < max_symbols; i++) |
| 1541 | *(feedc->ctrl.symbols_displayed + i) = (KeySym) 0; |
| 1542 | feedc->ctrl.id = 0; |
| 1543 | if ((feedc->next = dev->stringfeed)) |
| 1544 | feedc->ctrl.id = dev->stringfeed->ctrl.id + 1; |
| 1545 | dev->stringfeed = feedc; |
| 1546 | (*controlProc) (dev, &feedc->ctrl); |
| 1547 | return TRUE; |
| 1548 | } |
| 1549 | |
| 1550 | Bool |
| 1551 | InitBellFeedbackClassDeviceStruct(DeviceIntPtr dev, BellProcPtr bellProc, |
| 1552 | BellCtrlProcPtr controlProc) |
| 1553 | { |
| 1554 | BellFeedbackPtr feedc; |
| 1555 | |
| 1556 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1557 | BUG_RETURN_VAL(dev->bell != NULL, FALSE); |
| 1558 | |
| 1559 | feedc = malloc(sizeof(BellFeedbackClassRec)); |
| 1560 | if (!feedc) |
| 1561 | return FALSE; |
| 1562 | feedc->CtrlProc = controlProc; |
| 1563 | feedc->BellProc = bellProc; |
| 1564 | feedc->ctrl = defaultBellControl; |
| 1565 | feedc->ctrl.id = 0; |
| 1566 | if ((feedc->next = dev->bell)) |
| 1567 | feedc->ctrl.id = dev->bell->ctrl.id + 1; |
| 1568 | dev->bell = feedc; |
| 1569 | (*controlProc) (dev, &feedc->ctrl); |
| 1570 | return TRUE; |
| 1571 | } |
| 1572 | |
| 1573 | Bool |
| 1574 | InitLedFeedbackClassDeviceStruct(DeviceIntPtr dev, LedCtrlProcPtr controlProc) |
| 1575 | { |
| 1576 | LedFeedbackPtr feedc; |
| 1577 | |
| 1578 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1579 | BUG_RETURN_VAL(dev->leds != NULL, FALSE); |
| 1580 | |
| 1581 | feedc = malloc(sizeof(LedFeedbackClassRec)); |
| 1582 | if (!feedc) |
| 1583 | return FALSE; |
| 1584 | feedc->CtrlProc = controlProc; |
| 1585 | feedc->ctrl = defaultLedControl; |
| 1586 | feedc->ctrl.id = 0; |
| 1587 | if ((feedc->next = dev->leds)) |
| 1588 | feedc->ctrl.id = dev->leds->ctrl.id + 1; |
| 1589 | feedc->xkb_sli = NULL; |
| 1590 | dev->leds = feedc; |
| 1591 | (*controlProc) (dev, &feedc->ctrl); |
| 1592 | return TRUE; |
| 1593 | } |
| 1594 | |
| 1595 | Bool |
| 1596 | InitIntegerFeedbackClassDeviceStruct(DeviceIntPtr dev, |
| 1597 | IntegerCtrlProcPtr controlProc) |
| 1598 | { |
| 1599 | IntegerFeedbackPtr feedc; |
| 1600 | |
| 1601 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1602 | BUG_RETURN_VAL(dev->intfeed != NULL, FALSE); |
| 1603 | |
| 1604 | feedc = malloc(sizeof(IntegerFeedbackClassRec)); |
| 1605 | if (!feedc) |
| 1606 | return FALSE; |
| 1607 | feedc->CtrlProc = controlProc; |
| 1608 | feedc->ctrl = defaultIntegerControl; |
| 1609 | feedc->ctrl.id = 0; |
| 1610 | if ((feedc->next = dev->intfeed)) |
| 1611 | feedc->ctrl.id = dev->intfeed->ctrl.id + 1; |
| 1612 | dev->intfeed = feedc; |
| 1613 | (*controlProc) (dev, &feedc->ctrl); |
| 1614 | return TRUE; |
| 1615 | } |
| 1616 | |
| 1617 | Bool |
| 1618 | InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, |
| 1619 | Atom *btn_labels, PtrCtrlProcPtr controlProc, |
| 1620 | int numMotionEvents, int numAxes, Atom *axes_labels) |
| 1621 | { |
| 1622 | DeviceIntPtr dev = (DeviceIntPtr) device; |
| 1623 | |
| 1624 | BUG_RETURN_VAL(dev == NULL, FALSE); |
| 1625 | BUG_RETURN_VAL(dev->button != NULL, FALSE); |
| 1626 | BUG_RETURN_VAL(dev->valuator != NULL, FALSE); |
| 1627 | BUG_RETURN_VAL(dev->ptrfeed != NULL, FALSE); |
| 1628 | |
| 1629 | return (InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) && |
| 1630 | InitValuatorClassDeviceStruct(dev, numAxes, axes_labels, |
| 1631 | numMotionEvents, Relative) && |
| 1632 | InitPtrFeedbackClassDeviceStruct(dev, controlProc)); |
| 1633 | } |
| 1634 | |
| 1635 | /** |
| 1636 | * Sets up multitouch capabilities on @device. |
| 1637 | * |
| 1638 | * @max_touches The maximum number of simultaneous touches, or 0 for unlimited. |
| 1639 | * @mode The mode of the touch device (XIDirectTouch or XIDependentTouch). |
| 1640 | * @num_axes The number of touch valuator axes. |
| 1641 | */ |
| 1642 | Bool |
| 1643 | InitTouchClassDeviceStruct(DeviceIntPtr device, unsigned int max_touches, |
| 1644 | unsigned int mode, unsigned int num_axes) |
| 1645 | { |
| 1646 | TouchClassPtr touch; |
| 1647 | int i; |
| 1648 | |
| 1649 | BUG_RETURN_VAL(device == NULL, FALSE); |
| 1650 | BUG_RETURN_VAL(device->touch != NULL, FALSE); |
| 1651 | BUG_RETURN_VAL(device->valuator == NULL, FALSE); |
| 1652 | |
| 1653 | /* Check the mode is valid, and at least X and Y axes. */ |
| 1654 | BUG_RETURN_VAL(mode != XIDirectTouch && mode != XIDependentTouch, FALSE); |
| 1655 | BUG_RETURN_VAL(num_axes < 2, FALSE); |
| 1656 | |
| 1657 | if (num_axes > MAX_VALUATORS) { |
| 1658 | LogMessage(X_WARNING, |
| 1659 | "Device '%s' has %d touch axes, only using first %d.\n", |
| 1660 | device->name, num_axes, MAX_VALUATORS); |
| 1661 | num_axes = MAX_VALUATORS; |
| 1662 | } |
| 1663 | |
| 1664 | touch = calloc(1, sizeof(*touch)); |
| 1665 | if (!touch) |
| 1666 | return FALSE; |
| 1667 | |
| 1668 | touch->max_touches = max_touches; |
| 1669 | if (max_touches == 0) |
| 1670 | max_touches = 5; /* arbitrary number plucked out of the air */ |
| 1671 | touch->touches = calloc(max_touches, sizeof(*touch->touches)); |
| 1672 | if (!touch->touches) |
| 1673 | goto err; |
| 1674 | touch->num_touches = max_touches; |
| 1675 | for (i = 0; i < max_touches; i++) |
| 1676 | TouchInitTouchPoint(touch, device->valuator, i); |
| 1677 | |
| 1678 | touch->mode = mode; |
| 1679 | touch->sourceid = device->id; |
| 1680 | |
| 1681 | device->touch = touch; |
| 1682 | device->last.touches = calloc(max_touches, sizeof(*device->last.touches)); |
| 1683 | device->last.num_touches = touch->num_touches; |
| 1684 | for (i = 0; i < touch->num_touches; i++) |
| 1685 | TouchInitDDXTouchPoint(device, &device->last.touches[i]); |
| 1686 | |
| 1687 | return TRUE; |
| 1688 | |
| 1689 | err: |
| 1690 | for (i = 0; i < touch->num_touches; i++) |
| 1691 | TouchFreeTouchPoint(device, i); |
| 1692 | |
| 1693 | free(touch->touches); |
| 1694 | free(touch); |
| 1695 | |
| 1696 | return FALSE; |
| 1697 | } |
| 1698 | |
| 1699 | /* |
| 1700 | * Check if the given buffer contains elements between low (inclusive) and |
| 1701 | * high (inclusive) only. |
| 1702 | * |
| 1703 | * @return TRUE if the device map is invalid, FALSE otherwise. |
| 1704 | */ |
| 1705 | Bool |
| 1706 | BadDeviceMap(BYTE * buff, int length, unsigned low, unsigned high, XID *errval) |
| 1707 | { |
| 1708 | int i; |
| 1709 | |
| 1710 | for (i = 0; i < length; i++) |
| 1711 | if (buff[i]) { /* only check non-zero elements */ |
| 1712 | if ((low > buff[i]) || (high < buff[i])) { |
| 1713 | *errval = buff[i]; |
| 1714 | return TRUE; |
| 1715 | } |
| 1716 | } |
| 1717 | return FALSE; |
| 1718 | } |
| 1719 | |
| 1720 | int |
| 1721 | ProcSetModifierMapping(ClientPtr client) |
| 1722 | { |
| 1723 | xSetModifierMappingReply rep; |
| 1724 | int rc; |
| 1725 | |
| 1726 | REQUEST(xSetModifierMappingReq); |
| 1727 | REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq); |
| 1728 | |
| 1729 | if (client->req_len != ((stuff->numKeyPerModifier << 1) + |
| 1730 | bytes_to_int32(sizeof(xSetModifierMappingReq)))) |
| 1731 | return BadLength; |
| 1732 | |
| 1733 | rep = (xSetModifierMappingReply) { |
| 1734 | .type = X_Reply, |
| 1735 | .sequenceNumber = client->sequence, |
| 1736 | .length = 0 |
| 1737 | }; |
| 1738 | |
| 1739 | rc = change_modmap(client, PickKeyboard(client), (KeyCode *) &stuff[1], |
| 1740 | stuff->numKeyPerModifier); |
| 1741 | if (rc == MappingFailed || rc == -1) |
| 1742 | return BadValue; |
| 1743 | if (rc != Success && rc != MappingSuccess && rc != MappingFailed && |
| 1744 | rc != MappingBusy) |
| 1745 | return rc; |
| 1746 | |
| 1747 | rep.success = rc; |
| 1748 | |
| 1749 | WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep); |
| 1750 | return Success; |
| 1751 | } |
| 1752 | |
| 1753 | int |
| 1754 | ProcGetModifierMapping(ClientPtr client) |
| 1755 | { |
| 1756 | xGetModifierMappingReply rep; |
| 1757 | int max_keys_per_mod = 0; |
| 1758 | KeyCode *modkeymap = NULL; |
| 1759 | |
| 1760 | REQUEST_SIZE_MATCH(xReq); |
| 1761 | |
| 1762 | generate_modkeymap(client, PickKeyboard(client), &modkeymap, |
| 1763 | &max_keys_per_mod); |
| 1764 | |
| 1765 | rep = (xGetModifierMappingReply) { |
| 1766 | .type = X_Reply, |
| 1767 | .numKeyPerModifier = max_keys_per_mod, |
| 1768 | .sequenceNumber = client->sequence, |
| 1769 | /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */ |
| 1770 | .length = max_keys_per_mod << 1 |
| 1771 | }; |
| 1772 | |
| 1773 | WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep); |
| 1774 | WriteToClient(client, max_keys_per_mod * 8, modkeymap); |
| 1775 | |
| 1776 | free(modkeymap); |
| 1777 | |
| 1778 | return Success; |
| 1779 | } |
| 1780 | |
| 1781 | int |
| 1782 | ProcChangeKeyboardMapping(ClientPtr client) |
| 1783 | { |
| 1784 | REQUEST(xChangeKeyboardMappingReq); |
| 1785 | unsigned len; |
| 1786 | KeySymsRec keysyms; |
| 1787 | DeviceIntPtr pDev, tmp; |
| 1788 | int rc; |
| 1789 | |
| 1790 | REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq); |
| 1791 | |
| 1792 | len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq)); |
| 1793 | if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode)) |
| 1794 | return BadLength; |
| 1795 | |
| 1796 | pDev = PickKeyboard(client); |
| 1797 | |
| 1798 | if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) || |
| 1799 | (stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) { |
| 1800 | client->errorValue = stuff->firstKeyCode; |
| 1801 | return BadValue; |
| 1802 | |
| 1803 | } |
| 1804 | if (((unsigned) (stuff->firstKeyCode + stuff->keyCodes - 1) > |
| 1805 | pDev->key->xkbInfo->desc->max_key_code) || |
| 1806 | (stuff->keySymsPerKeyCode == 0)) { |
| 1807 | client->errorValue = stuff->keySymsPerKeyCode; |
| 1808 | return BadValue; |
| 1809 | } |
| 1810 | |
| 1811 | keysyms.minKeyCode = stuff->firstKeyCode; |
| 1812 | keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1; |
| 1813 | keysyms.mapWidth = stuff->keySymsPerKeyCode; |
| 1814 | keysyms.map = (KeySym *) &stuff[1]; |
| 1815 | |
| 1816 | rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); |
| 1817 | if (rc != Success) |
| 1818 | return rc; |
| 1819 | |
| 1820 | XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode, |
| 1821 | stuff->keyCodes, NULL, client); |
| 1822 | |
| 1823 | for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { |
| 1824 | if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev) |
| 1825 | continue; |
| 1826 | if (!tmp->key) |
| 1827 | continue; |
| 1828 | |
| 1829 | rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); |
| 1830 | if (rc != Success) |
| 1831 | continue; |
| 1832 | |
| 1833 | XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode, |
| 1834 | stuff->keyCodes, NULL, client); |
| 1835 | } |
| 1836 | |
| 1837 | return Success; |
| 1838 | } |
| 1839 | |
| 1840 | int |
| 1841 | ProcSetPointerMapping(ClientPtr client) |
| 1842 | { |
| 1843 | BYTE *map; |
| 1844 | int ret; |
| 1845 | int i, j; |
| 1846 | DeviceIntPtr ptr = PickPointer(client); |
| 1847 | xSetPointerMappingReply rep; |
| 1848 | |
| 1849 | REQUEST(xSetPointerMappingReq); |
| 1850 | REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq); |
| 1851 | |
| 1852 | if (client->req_len != |
| 1853 | bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts)) |
| 1854 | return BadLength; |
| 1855 | |
| 1856 | rep = (xSetPointerMappingReply) { |
| 1857 | .type = X_Reply, |
| 1858 | .success = MappingSuccess, |
| 1859 | .sequenceNumber = client->sequence, |
| 1860 | .length = 0 |
| 1861 | }; |
| 1862 | map = (BYTE *) &stuff[1]; |
| 1863 | |
| 1864 | /* So we're bounded here by the number of core buttons. This check |
| 1865 | * probably wants disabling through XFixes. */ |
| 1866 | /* MPX: With ClientPointer, we can return the right number of buttons. |
| 1867 | * Let's just hope nobody changed ClientPointer between GetPointerMapping |
| 1868 | * and SetPointerMapping |
| 1869 | */ |
| 1870 | if (stuff->nElts != ptr->button->numButtons) { |
| 1871 | client->errorValue = stuff->nElts; |
| 1872 | return BadValue; |
| 1873 | } |
| 1874 | |
| 1875 | /* Core protocol specs don't allow for duplicate mappings; this check |
| 1876 | * almost certainly wants disabling through XFixes too. */ |
| 1877 | for (i = 0; i < stuff->nElts; i++) { |
| 1878 | for (j = i + 1; j < stuff->nElts; j++) { |
| 1879 | if (map[i] && map[i] == map[j]) { |
| 1880 | client->errorValue = map[i]; |
| 1881 | return BadValue; |
| 1882 | } |
| 1883 | } |
| 1884 | } |
| 1885 | |
| 1886 | ret = ApplyPointerMapping(ptr, map, stuff->nElts, client); |
| 1887 | if (ret == MappingBusy) |
| 1888 | rep.success = ret; |
| 1889 | else if (ret == -1) |
| 1890 | return BadValue; |
| 1891 | else if (ret != Success) |
| 1892 | return ret; |
| 1893 | |
| 1894 | WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep); |
| 1895 | return Success; |
| 1896 | } |
| 1897 | |
| 1898 | int |
| 1899 | ProcGetKeyboardMapping(ClientPtr client) |
| 1900 | { |
| 1901 | xGetKeyboardMappingReply rep; |
| 1902 | DeviceIntPtr kbd = PickKeyboard(client); |
| 1903 | XkbDescPtr xkb; |
| 1904 | KeySymsPtr syms; |
| 1905 | int rc; |
| 1906 | |
| 1907 | REQUEST(xGetKeyboardMappingReq); |
| 1908 | REQUEST_SIZE_MATCH(xGetKeyboardMappingReq); |
| 1909 | |
| 1910 | rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); |
| 1911 | if (rc != Success) |
| 1912 | return rc; |
| 1913 | |
| 1914 | xkb = kbd->key->xkbInfo->desc; |
| 1915 | |
| 1916 | if ((stuff->firstKeyCode < xkb->min_key_code) || |
| 1917 | (stuff->firstKeyCode > xkb->max_key_code)) { |
| 1918 | client->errorValue = stuff->firstKeyCode; |
| 1919 | return BadValue; |
| 1920 | } |
| 1921 | if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) { |
| 1922 | client->errorValue = stuff->count; |
| 1923 | return BadValue; |
| 1924 | } |
| 1925 | |
| 1926 | syms = XkbGetCoreMap(kbd); |
| 1927 | if (!syms) |
| 1928 | return BadAlloc; |
| 1929 | |
| 1930 | rep = (xGetKeyboardMappingReply) { |
| 1931 | .type = X_Reply, |
| 1932 | .keySymsPerKeyCode = syms->mapWidth, |
| 1933 | .sequenceNumber = client->sequence, |
| 1934 | /* length is a count of 4 byte quantities and KeySyms are 4 bytes */ |
| 1935 | .length = syms->mapWidth * stuff->count |
| 1936 | }; |
| 1937 | WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep); |
| 1938 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; |
| 1939 | WriteSwappedDataToClient(client, |
| 1940 | syms->mapWidth * stuff->count * sizeof(KeySym), |
| 1941 | &syms->map[syms->mapWidth * (stuff->firstKeyCode - |
| 1942 | syms->minKeyCode)]); |
| 1943 | free(syms->map); |
| 1944 | free(syms); |
| 1945 | |
| 1946 | return Success; |
| 1947 | } |
| 1948 | |
| 1949 | int |
| 1950 | ProcGetPointerMapping(ClientPtr client) |
| 1951 | { |
| 1952 | xGetPointerMappingReply rep; |
| 1953 | |
| 1954 | /* Apps may get different values each time they call GetPointerMapping as |
| 1955 | * the ClientPointer could change. */ |
| 1956 | DeviceIntPtr ptr = PickPointer(client); |
| 1957 | ButtonClassPtr butc = ptr->button; |
| 1958 | int nElts; |
| 1959 | int rc; |
| 1960 | |
| 1961 | REQUEST_SIZE_MATCH(xReq); |
| 1962 | |
| 1963 | rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); |
| 1964 | if (rc != Success) |
| 1965 | return rc; |
| 1966 | |
| 1967 | nElts = (butc) ? butc->numButtons : 0; |
| 1968 | rep = (xGetPointerMappingReply) { |
| 1969 | .type = X_Reply, |
| 1970 | .nElts = nElts, |
| 1971 | .sequenceNumber = client->sequence, |
| 1972 | .length = ((unsigned) nElts + (4 - 1)) / 4 |
| 1973 | }; |
| 1974 | WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep); |
| 1975 | if (butc) |
| 1976 | WriteToClient(client, nElts, &butc->map[1]); |
| 1977 | return Success; |
| 1978 | } |
| 1979 | |
| 1980 | void |
| 1981 | NoteLedState(DeviceIntPtr keybd, int led, Bool on) |
| 1982 | { |
| 1983 | KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl; |
| 1984 | |
| 1985 | if (on) |
| 1986 | ctrl->leds |= ((Leds) 1 << (led - 1)); |
| 1987 | else |
| 1988 | ctrl->leds &= ~((Leds) 1 << (led - 1)); |
| 1989 | } |
| 1990 | |
| 1991 | int |
| 1992 | Ones(unsigned long mask) |
| 1993 | { /* HACKMEM 169 */ |
| 1994 | unsigned long y; |
| 1995 | |
| 1996 | y = (mask >> 1) & 033333333333; |
| 1997 | y = mask - y - ((y >> 1) & 033333333333); |
| 1998 | return (((y + (y >> 3)) & 030707070707) % 077); |
| 1999 | } |
| 2000 | |
| 2001 | static int |
| 2002 | DoChangeKeyboardControl(ClientPtr client, DeviceIntPtr keybd, XID *vlist, |
| 2003 | BITS32 vmask) |
| 2004 | { |
| 2005 | #define DO_ALL (-1) |
| 2006 | KeybdCtrl ctrl; |
| 2007 | int t; |
| 2008 | int led = DO_ALL; |
| 2009 | int key = DO_ALL; |
| 2010 | BITS32 index2; |
| 2011 | int mask = vmask, i; |
| 2012 | XkbEventCauseRec cause; |
| 2013 | |
| 2014 | ctrl = keybd->kbdfeed->ctrl; |
| 2015 | while (vmask) { |
| 2016 | index2 = (BITS32) lowbit(vmask); |
| 2017 | vmask &= ~index2; |
| 2018 | switch (index2) { |
| 2019 | case KBKeyClickPercent: |
| 2020 | t = (INT8) *vlist; |
| 2021 | vlist++; |
| 2022 | if (t == -1) { |
| 2023 | t = defaultKeyboardControl.click; |
| 2024 | } |
| 2025 | else if (t < 0 || t > 100) { |
| 2026 | client->errorValue = t; |
| 2027 | return BadValue; |
| 2028 | } |
| 2029 | ctrl.click = t; |
| 2030 | break; |
| 2031 | case KBBellPercent: |
| 2032 | t = (INT8) *vlist; |
| 2033 | vlist++; |
| 2034 | if (t == -1) { |
| 2035 | t = defaultKeyboardControl.bell; |
| 2036 | } |
| 2037 | else if (t < 0 || t > 100) { |
| 2038 | client->errorValue = t; |
| 2039 | return BadValue; |
| 2040 | } |
| 2041 | ctrl.bell = t; |
| 2042 | break; |
| 2043 | case KBBellPitch: |
| 2044 | t = (INT16) *vlist; |
| 2045 | vlist++; |
| 2046 | if (t == -1) { |
| 2047 | t = defaultKeyboardControl.bell_pitch; |
| 2048 | } |
| 2049 | else if (t < 0) { |
| 2050 | client->errorValue = t; |
| 2051 | return BadValue; |
| 2052 | } |
| 2053 | ctrl.bell_pitch = t; |
| 2054 | break; |
| 2055 | case KBBellDuration: |
| 2056 | t = (INT16) *vlist; |
| 2057 | vlist++; |
| 2058 | if (t == -1) |
| 2059 | t = defaultKeyboardControl.bell_duration; |
| 2060 | else if (t < 0) { |
| 2061 | client->errorValue = t; |
| 2062 | return BadValue; |
| 2063 | } |
| 2064 | ctrl.bell_duration = t; |
| 2065 | break; |
| 2066 | case KBLed: |
| 2067 | led = (CARD8) *vlist; |
| 2068 | vlist++; |
| 2069 | if (led < 1 || led > 32) { |
| 2070 | client->errorValue = led; |
| 2071 | return BadValue; |
| 2072 | } |
| 2073 | if (!(mask & KBLedMode)) |
| 2074 | return BadMatch; |
| 2075 | break; |
| 2076 | case KBLedMode: |
| 2077 | t = (CARD8) *vlist; |
| 2078 | vlist++; |
| 2079 | if (t == LedModeOff) { |
| 2080 | if (led == DO_ALL) |
| 2081 | ctrl.leds = 0x0; |
| 2082 | else |
| 2083 | ctrl.leds &= ~(((Leds) (1)) << (led - 1)); |
| 2084 | } |
| 2085 | else if (t == LedModeOn) { |
| 2086 | if (led == DO_ALL) |
| 2087 | ctrl.leds = ~0L; |
| 2088 | else |
| 2089 | ctrl.leds |= (((Leds) (1)) << (led - 1)); |
| 2090 | } |
| 2091 | else { |
| 2092 | client->errorValue = t; |
| 2093 | return BadValue; |
| 2094 | } |
| 2095 | |
| 2096 | XkbSetCauseCoreReq(&cause, X_ChangeKeyboardControl, client); |
| 2097 | XkbSetIndicators(keybd, ((led == DO_ALL) ? ~0L : (1L << (led - 1))), |
| 2098 | ctrl.leds, &cause); |
| 2099 | ctrl.leds = keybd->kbdfeed->ctrl.leds; |
| 2100 | |
| 2101 | break; |
| 2102 | case KBKey: |
| 2103 | key = (KeyCode) *vlist; |
| 2104 | vlist++; |
| 2105 | if ((KeyCode) key < keybd->key->xkbInfo->desc->min_key_code || |
| 2106 | (KeyCode) key > keybd->key->xkbInfo->desc->max_key_code) { |
| 2107 | client->errorValue = key; |
| 2108 | return BadValue; |
| 2109 | } |
| 2110 | if (!(mask & KBAutoRepeatMode)) |
| 2111 | return BadMatch; |
| 2112 | break; |
| 2113 | case KBAutoRepeatMode: |
| 2114 | i = (key >> 3); |
| 2115 | mask = (1 << (key & 7)); |
| 2116 | t = (CARD8) *vlist; |
| 2117 | vlist++; |
| 2118 | if (key != DO_ALL) |
| 2119 | XkbDisableComputedAutoRepeats(keybd, key); |
| 2120 | if (t == AutoRepeatModeOff) { |
| 2121 | if (key == DO_ALL) |
| 2122 | ctrl.autoRepeat = FALSE; |
| 2123 | else |
| 2124 | ctrl.autoRepeats[i] &= ~mask; |
| 2125 | } |
| 2126 | else if (t == AutoRepeatModeOn) { |
| 2127 | if (key == DO_ALL) |
| 2128 | ctrl.autoRepeat = TRUE; |
| 2129 | else |
| 2130 | ctrl.autoRepeats[i] |= mask; |
| 2131 | } |
| 2132 | else if (t == AutoRepeatModeDefault) { |
| 2133 | if (key == DO_ALL) |
| 2134 | ctrl.autoRepeat = defaultKeyboardControl.autoRepeat; |
| 2135 | else |
| 2136 | ctrl.autoRepeats[i] = |
| 2137 | (ctrl.autoRepeats[i] & ~mask) | |
| 2138 | (defaultKeyboardControl.autoRepeats[i] & mask); |
| 2139 | } |
| 2140 | else { |
| 2141 | client->errorValue = t; |
| 2142 | return BadValue; |
| 2143 | } |
| 2144 | break; |
| 2145 | default: |
| 2146 | client->errorValue = mask; |
| 2147 | return BadValue; |
| 2148 | } |
| 2149 | } |
| 2150 | keybd->kbdfeed->ctrl = ctrl; |
| 2151 | |
| 2152 | /* The XKB RepeatKeys control and core protocol global autorepeat */ |
| 2153 | /* value are linked */ |
| 2154 | XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat); |
| 2155 | |
| 2156 | return Success; |
| 2157 | |
| 2158 | #undef DO_ALL |
| 2159 | } |
| 2160 | |
| 2161 | /** |
| 2162 | * Changes kbd control on the ClientPointer and all attached SDs. |
| 2163 | */ |
| 2164 | int |
| 2165 | ProcChangeKeyboardControl(ClientPtr client) |
| 2166 | { |
| 2167 | XID *vlist; |
| 2168 | BITS32 vmask; |
| 2169 | int ret = Success, error = Success; |
| 2170 | DeviceIntPtr pDev = NULL, keyboard; |
| 2171 | |
| 2172 | REQUEST(xChangeKeyboardControlReq); |
| 2173 | |
| 2174 | REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq); |
| 2175 | |
| 2176 | vmask = stuff->mask; |
| 2177 | vlist = (XID *) &stuff[1]; |
| 2178 | |
| 2179 | if (client->req_len != |
| 2180 | (sizeof(xChangeKeyboardControlReq) >> 2) + Ones(vmask)) |
| 2181 | return BadLength; |
| 2182 | |
| 2183 | keyboard = PickKeyboard(client); |
| 2184 | |
| 2185 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 2186 | if ((pDev == keyboard || |
| 2187 | (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) |
| 2188 | && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { |
| 2189 | ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); |
| 2190 | if (ret != Success) |
| 2191 | return ret; |
| 2192 | } |
| 2193 | } |
| 2194 | |
| 2195 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 2196 | if ((pDev == keyboard || |
| 2197 | (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard)) |
| 2198 | && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { |
| 2199 | ret = DoChangeKeyboardControl(client, pDev, vlist, vmask); |
| 2200 | if (ret != Success) |
| 2201 | error = ret; |
| 2202 | } |
| 2203 | } |
| 2204 | |
| 2205 | return error; |
| 2206 | } |
| 2207 | |
| 2208 | int |
| 2209 | ProcGetKeyboardControl(ClientPtr client) |
| 2210 | { |
| 2211 | int rc, i; |
| 2212 | DeviceIntPtr kbd = PickKeyboard(client); |
| 2213 | KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl; |
| 2214 | xGetKeyboardControlReply rep; |
| 2215 | |
| 2216 | REQUEST_SIZE_MATCH(xReq); |
| 2217 | |
| 2218 | rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); |
| 2219 | if (rc != Success) |
| 2220 | return rc; |
| 2221 | |
| 2222 | rep = (xGetKeyboardControlReply) { |
| 2223 | .type = X_Reply, |
| 2224 | .globalAutoRepeat = ctrl->autoRepeat, |
| 2225 | .sequenceNumber = client->sequence, |
| 2226 | .length = 5, |
| 2227 | .ledMask = ctrl->leds, |
| 2228 | .keyClickPercent = ctrl->click, |
| 2229 | .bellPercent = ctrl->bell, |
| 2230 | .bellPitch = ctrl->bell_pitch, |
| 2231 | .bellDuration = ctrl->bell_duration |
| 2232 | }; |
| 2233 | for (i = 0; i < 32; i++) |
| 2234 | rep.map[i] = ctrl->autoRepeats[i]; |
| 2235 | WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep); |
| 2236 | return Success; |
| 2237 | } |
| 2238 | |
| 2239 | int |
| 2240 | ProcBell(ClientPtr client) |
| 2241 | { |
| 2242 | DeviceIntPtr dev, keybd = PickKeyboard(client); |
| 2243 | int base = keybd->kbdfeed->ctrl.bell; |
| 2244 | int newpercent; |
| 2245 | int rc; |
| 2246 | |
| 2247 | REQUEST(xBellReq); |
| 2248 | REQUEST_SIZE_MATCH(xBellReq); |
| 2249 | |
| 2250 | if (stuff->percent < -100 || stuff->percent > 100) { |
| 2251 | client->errorValue = stuff->percent; |
| 2252 | return BadValue; |
| 2253 | } |
| 2254 | |
| 2255 | newpercent = (base * stuff->percent) / 100; |
| 2256 | if (stuff->percent < 0) |
| 2257 | newpercent = base + newpercent; |
| 2258 | else |
| 2259 | newpercent = base - newpercent + stuff->percent; |
| 2260 | |
| 2261 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 2262 | if ((dev == keybd || |
| 2263 | (!IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD) == keybd)) && |
| 2264 | dev->kbdfeed && dev->kbdfeed->BellProc) { |
| 2265 | |
| 2266 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess); |
| 2267 | if (rc != Success) |
| 2268 | return rc; |
| 2269 | XkbHandleBell(FALSE, FALSE, dev, newpercent, |
| 2270 | &dev->kbdfeed->ctrl, 0, None, NULL, client); |
| 2271 | } |
| 2272 | } |
| 2273 | |
| 2274 | return Success; |
| 2275 | } |
| 2276 | |
| 2277 | int |
| 2278 | ProcChangePointerControl(ClientPtr client) |
| 2279 | { |
| 2280 | DeviceIntPtr dev, mouse = PickPointer(client); |
| 2281 | PtrCtrl ctrl; /* might get BadValue part way through */ |
| 2282 | int rc; |
| 2283 | |
| 2284 | REQUEST(xChangePointerControlReq); |
| 2285 | REQUEST_SIZE_MATCH(xChangePointerControlReq); |
| 2286 | |
| 2287 | ctrl = mouse->ptrfeed->ctrl; |
| 2288 | if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) { |
| 2289 | client->errorValue = stuff->doAccel; |
| 2290 | return BadValue; |
| 2291 | } |
| 2292 | if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) { |
| 2293 | client->errorValue = stuff->doThresh; |
| 2294 | return BadValue; |
| 2295 | } |
| 2296 | if (stuff->doAccel) { |
| 2297 | if (stuff->accelNum == -1) { |
| 2298 | ctrl.num = defaultPointerControl.num; |
| 2299 | } |
| 2300 | else if (stuff->accelNum < 0) { |
| 2301 | client->errorValue = stuff->accelNum; |
| 2302 | return BadValue; |
| 2303 | } |
| 2304 | else { |
| 2305 | ctrl.num = stuff->accelNum; |
| 2306 | } |
| 2307 | |
| 2308 | if (stuff->accelDenum == -1) { |
| 2309 | ctrl.den = defaultPointerControl.den; |
| 2310 | } |
| 2311 | else if (stuff->accelDenum <= 0) { |
| 2312 | client->errorValue = stuff->accelDenum; |
| 2313 | return BadValue; |
| 2314 | } |
| 2315 | else { |
| 2316 | ctrl.den = stuff->accelDenum; |
| 2317 | } |
| 2318 | } |
| 2319 | if (stuff->doThresh) { |
| 2320 | if (stuff->threshold == -1) { |
| 2321 | ctrl.threshold = defaultPointerControl.threshold; |
| 2322 | } |
| 2323 | else if (stuff->threshold < 0) { |
| 2324 | client->errorValue = stuff->threshold; |
| 2325 | return BadValue; |
| 2326 | } |
| 2327 | else { |
| 2328 | ctrl.threshold = stuff->threshold; |
| 2329 | } |
| 2330 | } |
| 2331 | |
| 2332 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 2333 | if ((dev == mouse || |
| 2334 | (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && |
| 2335 | dev->ptrfeed) { |
| 2336 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); |
| 2337 | if (rc != Success) |
| 2338 | return rc; |
| 2339 | } |
| 2340 | } |
| 2341 | |
| 2342 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 2343 | if ((dev == mouse || |
| 2344 | (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) && |
| 2345 | dev->ptrfeed) { |
| 2346 | dev->ptrfeed->ctrl = ctrl; |
| 2347 | } |
| 2348 | } |
| 2349 | |
| 2350 | return Success; |
| 2351 | } |
| 2352 | |
| 2353 | int |
| 2354 | ProcGetPointerControl(ClientPtr client) |
| 2355 | { |
| 2356 | DeviceIntPtr ptr = PickPointer(client); |
| 2357 | PtrCtrl *ctrl = &ptr->ptrfeed->ctrl; |
| 2358 | xGetPointerControlReply rep; |
| 2359 | int rc; |
| 2360 | |
| 2361 | REQUEST_SIZE_MATCH(xReq); |
| 2362 | |
| 2363 | rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); |
| 2364 | if (rc != Success) |
| 2365 | return rc; |
| 2366 | |
| 2367 | rep = (xGetPointerControlReply) { |
| 2368 | .type = X_Reply, |
| 2369 | .sequenceNumber = client->sequence, |
| 2370 | .length = 0, |
| 2371 | .accelNumerator = ctrl->num, |
| 2372 | .accelDenominator = ctrl->den, |
| 2373 | .threshold = ctrl->threshold |
| 2374 | }; |
| 2375 | WriteReplyToClient(client, sizeof(xGenericReply), &rep); |
| 2376 | return Success; |
| 2377 | } |
| 2378 | |
| 2379 | void |
| 2380 | MaybeStopHint(DeviceIntPtr dev, ClientPtr client) |
| 2381 | { |
| 2382 | GrabPtr grab = dev->deviceGrab.grab; |
| 2383 | |
| 2384 | if ((grab && SameClient(grab, client) && |
| 2385 | ((grab->eventMask & PointerMotionHintMask) || |
| 2386 | (grab->ownerEvents && |
| 2387 | (EventMaskForClient(dev->valuator->motionHintWindow, client) & |
| 2388 | PointerMotionHintMask)))) || |
| 2389 | (!grab && |
| 2390 | (EventMaskForClient(dev->valuator->motionHintWindow, client) & |
| 2391 | PointerMotionHintMask))) |
| 2392 | dev->valuator->motionHintWindow = NullWindow; |
| 2393 | } |
| 2394 | |
| 2395 | int |
| 2396 | ProcGetMotionEvents(ClientPtr client) |
| 2397 | { |
| 2398 | WindowPtr pWin; |
| 2399 | xTimecoord *coords = (xTimecoord *) NULL; |
| 2400 | xGetMotionEventsReply rep; |
| 2401 | int i, count, xmin, xmax, ymin, ymax, rc; |
| 2402 | unsigned long nEvents; |
| 2403 | DeviceIntPtr mouse = PickPointer(client); |
| 2404 | TimeStamp start, stop; |
| 2405 | |
| 2406 | REQUEST(xGetMotionEventsReq); |
| 2407 | REQUEST_SIZE_MATCH(xGetMotionEventsReq); |
| 2408 | |
| 2409 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); |
| 2410 | if (rc != Success) |
| 2411 | return rc; |
| 2412 | rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); |
| 2413 | if (rc != Success) |
| 2414 | return rc; |
| 2415 | |
| 2416 | if (mouse->valuator->motionHintWindow) |
| 2417 | MaybeStopHint(mouse, client); |
| 2418 | rep = (xGetMotionEventsReply) { |
| 2419 | .type = X_Reply, |
| 2420 | .sequenceNumber = client->sequence |
| 2421 | }; |
| 2422 | nEvents = 0; |
| 2423 | start = ClientTimeToServerTime(stuff->start); |
| 2424 | stop = ClientTimeToServerTime(stuff->stop); |
| 2425 | if ((CompareTimeStamps(start, stop) != LATER) && |
| 2426 | (CompareTimeStamps(start, currentTime) != LATER) && |
| 2427 | mouse->valuator->numMotionEvents) { |
| 2428 | if (CompareTimeStamps(stop, currentTime) == LATER) |
| 2429 | stop = currentTime; |
| 2430 | count = GetMotionHistory(mouse, &coords, start.milliseconds, |
| 2431 | stop.milliseconds, pWin->drawable.pScreen, |
| 2432 | TRUE); |
| 2433 | xmin = pWin->drawable.x - wBorderWidth(pWin); |
| 2434 | xmax = pWin->drawable.x + (int) pWin->drawable.width + |
| 2435 | wBorderWidth(pWin); |
| 2436 | ymin = pWin->drawable.y - wBorderWidth(pWin); |
| 2437 | ymax = pWin->drawable.y + (int) pWin->drawable.height + |
| 2438 | wBorderWidth(pWin); |
| 2439 | for (i = 0; i < count; i++) |
| 2440 | if ((xmin <= coords[i].x) && (coords[i].x < xmax) && |
| 2441 | (ymin <= coords[i].y) && (coords[i].y < ymax)) { |
| 2442 | coords[nEvents].time = coords[i].time; |
| 2443 | coords[nEvents].x = coords[i].x - pWin->drawable.x; |
| 2444 | coords[nEvents].y = coords[i].y - pWin->drawable.y; |
| 2445 | nEvents++; |
| 2446 | } |
| 2447 | } |
| 2448 | rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord)); |
| 2449 | rep.nEvents = nEvents; |
| 2450 | WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep); |
| 2451 | if (nEvents) { |
| 2452 | client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite; |
| 2453 | WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord), |
| 2454 | (char *) coords); |
| 2455 | } |
| 2456 | free(coords); |
| 2457 | return Success; |
| 2458 | } |
| 2459 | |
| 2460 | int |
| 2461 | ProcQueryKeymap(ClientPtr client) |
| 2462 | { |
| 2463 | xQueryKeymapReply rep; |
| 2464 | int rc, i; |
| 2465 | DeviceIntPtr keybd = PickKeyboard(client); |
| 2466 | CARD8 *down = keybd->key->down; |
| 2467 | |
| 2468 | REQUEST_SIZE_MATCH(xReq); |
| 2469 | rep = (xQueryKeymapReply) { |
| 2470 | .type = X_Reply, |
| 2471 | .sequenceNumber = client->sequence, |
| 2472 | .length = 2 |
| 2473 | }; |
| 2474 | |
| 2475 | rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess); |
| 2476 | /* If rc is Success, we're allowed to copy out the keymap. |
| 2477 | * If it's BadAccess, we leave it empty & lie to the client. |
| 2478 | */ |
| 2479 | if (rc == Success) { |
| 2480 | for (i = 0; i < 32; i++) |
| 2481 | rep.map[i] = down[i]; |
| 2482 | } |
| 2483 | else if (rc != BadAccess) |
| 2484 | return rc; |
| 2485 | |
| 2486 | WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep); |
| 2487 | |
| 2488 | return Success; |
| 2489 | } |
| 2490 | |
| 2491 | /** |
| 2492 | * Recalculate the number of buttons for the master device. The number of |
| 2493 | * buttons on the master device is equal to the number of buttons on the |
| 2494 | * slave device with the highest number of buttons. |
| 2495 | */ |
| 2496 | static void |
| 2497 | RecalculateMasterButtons(DeviceIntPtr slave) |
| 2498 | { |
| 2499 | DeviceIntPtr dev, master; |
| 2500 | int maxbuttons = 0; |
| 2501 | |
| 2502 | if (!slave->button || IsMaster(slave)) |
| 2503 | return; |
| 2504 | |
| 2505 | master = GetMaster(slave, MASTER_POINTER); |
| 2506 | if (!master) |
| 2507 | return; |
| 2508 | |
| 2509 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 2510 | if (IsMaster(dev) || |
| 2511 | GetMaster(dev, MASTER_ATTACHED) != master || !dev->button) |
| 2512 | continue; |
| 2513 | |
| 2514 | maxbuttons = max(maxbuttons, dev->button->numButtons); |
| 2515 | } |
| 2516 | |
| 2517 | if (master->button && master->button->numButtons != maxbuttons) { |
| 2518 | int i; |
| 2519 | DeviceChangedEvent event = { |
| 2520 | .header = ET_Internal, |
| 2521 | .type = ET_DeviceChanged, |
| 2522 | .time = GetTimeInMillis(), |
| 2523 | .deviceid = master->id, |
| 2524 | .flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE, |
| 2525 | .buttons.num_buttons = maxbuttons |
| 2526 | }; |
| 2527 | |
| 2528 | master->button->numButtons = maxbuttons; |
| 2529 | |
| 2530 | memcpy(&event.buttons.names, master->button->labels, maxbuttons * |
| 2531 | sizeof(Atom)); |
| 2532 | |
| 2533 | if (master->valuator) { |
| 2534 | event.num_valuators = master->valuator->numAxes; |
| 2535 | for (i = 0; i < event.num_valuators; i++) { |
| 2536 | event.valuators[i].min = master->valuator->axes[i].min_value; |
| 2537 | event.valuators[i].max = master->valuator->axes[i].max_value; |
| 2538 | event.valuators[i].resolution = |
| 2539 | master->valuator->axes[i].resolution; |
| 2540 | event.valuators[i].mode = master->valuator->axes[i].mode; |
| 2541 | event.valuators[i].name = master->valuator->axes[i].label; |
| 2542 | } |
| 2543 | } |
| 2544 | |
| 2545 | if (master->key) { |
| 2546 | event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code; |
| 2547 | event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code; |
| 2548 | } |
| 2549 | |
| 2550 | XISendDeviceChangedEvent(master, &event); |
| 2551 | } |
| 2552 | } |
| 2553 | |
| 2554 | /** |
| 2555 | * Generate release events for all keys/button currently down on this |
| 2556 | * device. |
| 2557 | */ |
| 2558 | void |
| 2559 | ReleaseButtonsAndKeys(DeviceIntPtr dev) |
| 2560 | { |
| 2561 | InternalEvent *eventlist = InitEventList(GetMaximumEventsNum()); |
| 2562 | ButtonClassPtr b = dev->button; |
| 2563 | KeyClassPtr k = dev->key; |
| 2564 | int i, j, nevents; |
| 2565 | |
| 2566 | if (!eventlist) /* no release events for you */ |
| 2567 | return; |
| 2568 | |
| 2569 | /* Release all buttons */ |
| 2570 | for (i = 0; b && i < b->numButtons; i++) { |
| 2571 | if (BitIsOn(b->down, i)) { |
| 2572 | nevents = |
| 2573 | GetPointerEvents(eventlist, dev, ButtonRelease, i, 0, NULL); |
| 2574 | for (j = 0; j < nevents; j++) |
| 2575 | mieqProcessDeviceEvent(dev, &eventlist[j], NULL); |
| 2576 | } |
| 2577 | } |
| 2578 | |
| 2579 | /* Release all keys */ |
| 2580 | for (i = 0; k && i < MAP_LENGTH; i++) { |
| 2581 | if (BitIsOn(k->down, i)) { |
| 2582 | nevents = GetKeyboardEvents(eventlist, dev, KeyRelease, i, NULL); |
| 2583 | for (j = 0; j < nevents; j++) |
| 2584 | mieqProcessDeviceEvent(dev, &eventlist[j], NULL); |
| 2585 | } |
| 2586 | } |
| 2587 | |
| 2588 | FreeEventList(eventlist, GetMaximumEventsNum()); |
| 2589 | } |
| 2590 | |
| 2591 | /** |
| 2592 | * Attach device 'dev' to device 'master'. |
| 2593 | * Client is set to the client that issued the request, or NULL if it comes |
| 2594 | * from some internal automatic pairing. |
| 2595 | * |
| 2596 | * Master may be NULL to set the device floating. |
| 2597 | * |
| 2598 | * We don't allow multi-layer hierarchies right now. You can't attach a slave |
| 2599 | * to another slave. |
| 2600 | */ |
| 2601 | int |
| 2602 | AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master) |
| 2603 | { |
| 2604 | ScreenPtr screen; |
| 2605 | |
| 2606 | if (!dev || IsMaster(dev)) |
| 2607 | return BadDevice; |
| 2608 | |
| 2609 | if (master && !IsMaster(master)) /* can't attach to slaves */ |
| 2610 | return BadDevice; |
| 2611 | |
| 2612 | /* set from floating to floating? */ |
| 2613 | if (IsFloating(dev) && !master && dev->enabled) |
| 2614 | return Success; |
| 2615 | |
| 2616 | /* free the existing sprite. */ |
| 2617 | if (IsFloating(dev) && dev->spriteInfo->paired == dev) { |
| 2618 | screen = miPointerGetScreen(dev); |
| 2619 | screen->DeviceCursorCleanup(dev, screen); |
| 2620 | free(dev->spriteInfo->sprite); |
| 2621 | } |
| 2622 | |
| 2623 | dev->master = master; |
| 2624 | |
| 2625 | /* If device is set to floating, we need to create a sprite for it, |
| 2626 | * otherwise things go bad. However, we don't want to render the cursor, |
| 2627 | * so we reset spriteOwner. |
| 2628 | * Sprite has to be forced to NULL first, otherwise InitializeSprite won't |
| 2629 | * alloc new memory but overwrite the previous one. |
| 2630 | */ |
| 2631 | if (!master) { |
| 2632 | WindowPtr currentRoot; |
| 2633 | |
| 2634 | if (dev->spriteInfo->sprite) |
| 2635 | currentRoot = GetCurrentRootWindow(dev); |
| 2636 | else /* new device auto-set to floating */ |
| 2637 | currentRoot = screenInfo.screens[0]->root; |
| 2638 | |
| 2639 | /* we need to init a fake sprite */ |
| 2640 | screen = currentRoot->drawable.pScreen; |
| 2641 | screen->DeviceCursorInitialize(dev, screen); |
| 2642 | dev->spriteInfo->sprite = NULL; |
| 2643 | InitializeSprite(dev, currentRoot); |
| 2644 | dev->spriteInfo->spriteOwner = FALSE; |
| 2645 | dev->spriteInfo->paired = dev; |
| 2646 | } |
| 2647 | else { |
| 2648 | dev->spriteInfo->sprite = master->spriteInfo->sprite; |
| 2649 | dev->spriteInfo->paired = master; |
| 2650 | dev->spriteInfo->spriteOwner = FALSE; |
| 2651 | |
| 2652 | RecalculateMasterButtons(master); |
| 2653 | } |
| 2654 | |
| 2655 | /* XXX: in theory, the MD should change back to its old, original |
| 2656 | * classes when the last SD is detached. Thanks to the XTEST devices, |
| 2657 | * we'll always have an SD attached until the MD is removed. |
| 2658 | * So let's not worry about that. |
| 2659 | */ |
| 2660 | |
| 2661 | return Success; |
| 2662 | } |
| 2663 | |
| 2664 | /** |
| 2665 | * Return the device paired with the given device or NULL. |
| 2666 | * Returns the device paired with the parent master if the given device is a |
| 2667 | * slave device. |
| 2668 | */ |
| 2669 | DeviceIntPtr |
| 2670 | GetPairedDevice(DeviceIntPtr dev) |
| 2671 | { |
| 2672 | if (!IsMaster(dev) && !IsFloating(dev)) |
| 2673 | dev = GetMaster(dev, MASTER_ATTACHED); |
| 2674 | |
| 2675 | return dev->spriteInfo->paired; |
| 2676 | } |
| 2677 | |
| 2678 | /** |
| 2679 | * Returns the requested master for this device. |
| 2680 | * The return values are: |
| 2681 | * - MASTER_ATTACHED: the master for this device or NULL for a floating |
| 2682 | * slave. |
| 2683 | * - MASTER_KEYBOARD: the master keyboard for this device or NULL for a |
| 2684 | * floating slave |
| 2685 | * - MASTER_POINTER: the master keyboard for this device or NULL for a |
| 2686 | * floating slave |
| 2687 | * - POINTER_OR_FLOAT: the master pointer for this device or the device for |
| 2688 | * a floating slave |
| 2689 | * - KEYBOARD_OR_FLOAT: the master keyboard for this device or the device for |
| 2690 | * a floating slave |
| 2691 | * |
| 2692 | * @param which ::MASTER_KEYBOARD or ::MASTER_POINTER, ::MASTER_ATTACHED, |
| 2693 | * ::POINTER_OR_FLOAT or ::KEYBOARD_OR_FLOAT. |
| 2694 | * @return The requested master device |
| 2695 | */ |
| 2696 | DeviceIntPtr |
| 2697 | GetMaster(DeviceIntPtr dev, int which) |
| 2698 | { |
| 2699 | DeviceIntPtr master; |
| 2700 | |
| 2701 | if (IsMaster(dev)) |
| 2702 | master = dev; |
| 2703 | else { |
| 2704 | master = dev->master; |
| 2705 | if (!master && |
| 2706 | (which == POINTER_OR_FLOAT || which == KEYBOARD_OR_FLOAT)) |
| 2707 | return dev; |
| 2708 | } |
| 2709 | |
| 2710 | if (master && which != MASTER_ATTACHED) { |
| 2711 | if (which == MASTER_KEYBOARD || which == KEYBOARD_OR_FLOAT) { |
| 2712 | if (master->type != MASTER_KEYBOARD) |
| 2713 | master = GetPairedDevice(master); |
| 2714 | } |
| 2715 | else { |
| 2716 | if (master->type != MASTER_POINTER) |
| 2717 | master = GetPairedDevice(master); |
| 2718 | } |
| 2719 | } |
| 2720 | |
| 2721 | return master; |
| 2722 | } |
| 2723 | |
| 2724 | /** |
| 2725 | * Create a new device pair (== one pointer, one keyboard device). |
| 2726 | * Only allocates the devices, you will need to call ActivateDevice() and |
| 2727 | * EnableDevice() manually. |
| 2728 | * Either a master or a slave device can be created depending on |
| 2729 | * the value for master. |
| 2730 | */ |
| 2731 | int |
| 2732 | AllocDevicePair(ClientPtr client, const char *name, |
| 2733 | DeviceIntPtr *ptr, |
| 2734 | DeviceIntPtr *keybd, |
| 2735 | DeviceProc ptr_proc, DeviceProc keybd_proc, Bool master) |
| 2736 | { |
| 2737 | DeviceIntPtr pointer; |
| 2738 | DeviceIntPtr keyboard; |
| 2739 | |
| 2740 | *ptr = *keybd = NULL; |
| 2741 | |
| 2742 | XkbInitPrivates(); |
| 2743 | |
| 2744 | pointer = AddInputDevice(client, ptr_proc, TRUE); |
| 2745 | |
| 2746 | if (!pointer) |
| 2747 | return BadAlloc; |
| 2748 | |
| 2749 | if (asprintf(&pointer->name, "%s pointer", name) == -1) { |
| 2750 | pointer->name = NULL; |
| 2751 | RemoveDevice(pointer, FALSE); |
| 2752 | |
| 2753 | return BadAlloc; |
| 2754 | } |
| 2755 | |
| 2756 | pointer->public.processInputProc = ProcessOtherEvent; |
| 2757 | pointer->public.realInputProc = ProcessOtherEvent; |
| 2758 | XkbSetExtension(pointer, ProcessPointerEvent); |
| 2759 | pointer->deviceGrab.ActivateGrab = ActivatePointerGrab; |
| 2760 | pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab; |
| 2761 | pointer->coreEvents = TRUE; |
| 2762 | pointer->spriteInfo->spriteOwner = TRUE; |
| 2763 | |
| 2764 | pointer->lastSlave = NULL; |
| 2765 | pointer->last.slave = NULL; |
| 2766 | pointer->type = (master) ? MASTER_POINTER : SLAVE; |
| 2767 | |
| 2768 | keyboard = AddInputDevice(client, keybd_proc, TRUE); |
| 2769 | if (!keyboard) { |
| 2770 | RemoveDevice(pointer, FALSE); |
| 2771 | |
| 2772 | return BadAlloc; |
| 2773 | } |
| 2774 | |
| 2775 | if (asprintf(&keyboard->name, "%s keyboard", name) == -1) { |
| 2776 | keyboard->name = NULL; |
| 2777 | RemoveDevice(keyboard, FALSE); |
| 2778 | RemoveDevice(pointer, FALSE); |
| 2779 | |
| 2780 | return BadAlloc; |
| 2781 | } |
| 2782 | |
| 2783 | keyboard->public.processInputProc = ProcessOtherEvent; |
| 2784 | keyboard->public.realInputProc = ProcessOtherEvent; |
| 2785 | XkbSetExtension(keyboard, ProcessKeyboardEvent); |
| 2786 | keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab; |
| 2787 | keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; |
| 2788 | keyboard->coreEvents = TRUE; |
| 2789 | keyboard->spriteInfo->spriteOwner = FALSE; |
| 2790 | |
| 2791 | keyboard->lastSlave = NULL; |
| 2792 | keyboard->last.slave = NULL; |
| 2793 | keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE; |
| 2794 | |
| 2795 | /* The ClassesRec stores the device classes currently not used. */ |
| 2796 | if (IsMaster(pointer)) { |
| 2797 | pointer->unused_classes = calloc(1, sizeof(ClassesRec)); |
| 2798 | keyboard->unused_classes = calloc(1, sizeof(ClassesRec)); |
| 2799 | } |
| 2800 | |
| 2801 | *ptr = pointer; |
| 2802 | |
| 2803 | *keybd = keyboard; |
| 2804 | |
| 2805 | return Success; |
| 2806 | } |
| 2807 | |
| 2808 | /** |
| 2809 | * Return Relative or Absolute for the device. |
| 2810 | */ |
| 2811 | int |
| 2812 | valuator_get_mode(DeviceIntPtr dev, int axis) |
| 2813 | { |
| 2814 | return (dev->valuator->axes[axis].mode & DeviceMode); |
| 2815 | } |
| 2816 | |
| 2817 | /** |
| 2818 | * Set the given mode for the axis. If axis is VALUATOR_MODE_ALL_AXES, then |
| 2819 | * set the mode for all axes. |
| 2820 | */ |
| 2821 | void |
| 2822 | valuator_set_mode(DeviceIntPtr dev, int axis, int mode) |
| 2823 | { |
| 2824 | if (axis != VALUATOR_MODE_ALL_AXES) |
| 2825 | dev->valuator->axes[axis].mode = mode; |
| 2826 | else { |
| 2827 | int i; |
| 2828 | |
| 2829 | for (i = 0; i < dev->valuator->numAxes; i++) |
| 2830 | dev->valuator->axes[i].mode = mode; |
| 2831 | } |
| 2832 | } |