| 1 | /************************************************************ |
| 2 | Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc. |
| 3 | |
| 4 | Permission to use, copy, modify, and distribute this |
| 5 | software and its documentation for any purpose and without |
| 6 | fee is hereby granted, provided that the above copyright |
| 7 | notice appear in all copies and that both that copyright |
| 8 | notice and this permission notice appear in supporting |
| 9 | documentation, and that the name of Silicon Graphics not be |
| 10 | used in advertising or publicity pertaining to distribution |
| 11 | of the software without specific prior written permission. |
| 12 | Silicon Graphics makes no representation about the suitability |
| 13 | of this software for any purpose. It is provided "as is" |
| 14 | without any express or implied warranty. |
| 15 | |
| 16 | SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| 17 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
| 18 | AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON |
| 19 | GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 20 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 21 | DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE |
| 22 | OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| 23 | THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 24 | |
| 25 | ********************************************************/ |
| 26 | |
| 27 | #ifdef HAVE_DIX_CONFIG_H |
| 28 | #include <dix-config.h> |
| 29 | #endif |
| 30 | |
| 31 | #include <stdio.h> |
| 32 | #include <math.h> |
| 33 | #include <X11/X.h> |
| 34 | #include <X11/Xproto.h> |
| 35 | #include <X11/keysym.h> |
| 36 | #include "exglobals.h" |
| 37 | #include <X11/extensions/XIproto.h> |
| 38 | #include "inputstr.h" |
| 39 | #include "eventstr.h" |
| 40 | #include "inpututils.h" |
| 41 | #include <xkbsrv.h> |
| 42 | #if !defined(WIN32) |
| 43 | #include <sys/time.h> |
| 44 | #endif |
| 45 | |
| 46 | int XkbDfltRepeatDelay = 660; |
| 47 | int XkbDfltRepeatInterval = 40; |
| 48 | |
| 49 | #define DFLT_TIMEOUT_CTRLS (XkbAX_KRGMask|XkbStickyKeysMask|XkbMouseKeysMask) |
| 50 | #define DFLT_TIMEOUT_OPTS (XkbAX_IndicatorFBMask) |
| 51 | |
| 52 | unsigned short XkbDfltAccessXTimeout = 120; |
| 53 | unsigned int XkbDfltAccessXTimeoutMask = DFLT_TIMEOUT_CTRLS; |
| 54 | static unsigned int XkbDfltAccessXTimeoutValues = 0; |
| 55 | static unsigned int XkbDfltAccessXTimeoutOptionsMask = DFLT_TIMEOUT_OPTS; |
| 56 | static unsigned int XkbDfltAccessXTimeoutOptionsValues = 0; |
| 57 | unsigned int XkbDfltAccessXFeedback = XkbAccessXFeedbackMask; |
| 58 | unsigned short XkbDfltAccessXOptions = |
| 59 | XkbAX_AllOptionsMask & ~(XkbAX_IndicatorFBMask | XkbAX_SKReleaseFBMask | |
| 60 | XkbAX_SKRejectFBMask); |
| 61 | |
| 62 | void |
| 63 | AccessXComputeCurveFactor(XkbSrvInfoPtr xkbi, XkbControlsPtr ctrls) |
| 64 | { |
| 65 | xkbi->mouseKeysCurve = 1.0 + (((double) ctrls->mk_curve) * 0.001); |
| 66 | xkbi->mouseKeysCurveFactor = (((double) ctrls->mk_max_speed) / |
| 67 | pow((double) ctrls->mk_time_to_max, |
| 68 | xkbi->mouseKeysCurve)); |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | void |
| 73 | AccessXInit(DeviceIntPtr keybd) |
| 74 | { |
| 75 | XkbSrvInfoPtr xkbi = keybd->key->xkbInfo; |
| 76 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 77 | |
| 78 | xkbi->shiftKeyCount = 0; |
| 79 | xkbi->mouseKeysCounter = 0; |
| 80 | xkbi->inactiveKey = 0; |
| 81 | xkbi->slowKey = 0; |
| 82 | xkbi->repeatKey = 0; |
| 83 | xkbi->krgTimerActive = _OFF_TIMER; |
| 84 | xkbi->beepType = _BEEP_NONE; |
| 85 | xkbi->beepCount = 0; |
| 86 | xkbi->mouseKeyTimer = NULL; |
| 87 | xkbi->slowKeysTimer = NULL; |
| 88 | xkbi->bounceKeysTimer = NULL; |
| 89 | xkbi->repeatKeyTimer = NULL; |
| 90 | xkbi->krgTimer = NULL; |
| 91 | xkbi->beepTimer = NULL; |
| 92 | ctrls->repeat_delay = XkbDfltRepeatDelay; |
| 93 | ctrls->repeat_interval = XkbDfltRepeatInterval; |
| 94 | ctrls->debounce_delay = 300; |
| 95 | ctrls->slow_keys_delay = 300; |
| 96 | ctrls->mk_delay = 160; |
| 97 | ctrls->mk_interval = 40; |
| 98 | ctrls->mk_time_to_max = 30; |
| 99 | ctrls->mk_max_speed = 30; |
| 100 | ctrls->mk_curve = 500; |
| 101 | ctrls->mk_dflt_btn = 1; |
| 102 | ctrls->ax_timeout = XkbDfltAccessXTimeout; |
| 103 | ctrls->axt_ctrls_mask = XkbDfltAccessXTimeoutMask; |
| 104 | ctrls->axt_ctrls_values = XkbDfltAccessXTimeoutValues; |
| 105 | ctrls->axt_opts_mask = XkbDfltAccessXTimeoutOptionsMask; |
| 106 | ctrls->axt_opts_values = XkbDfltAccessXTimeoutOptionsValues; |
| 107 | if (XkbDfltAccessXTimeout) |
| 108 | ctrls->enabled_ctrls |= XkbAccessXTimeoutMask; |
| 109 | else |
| 110 | ctrls->enabled_ctrls &= ~XkbAccessXTimeoutMask; |
| 111 | ctrls->enabled_ctrls |= XkbDfltAccessXFeedback; |
| 112 | ctrls->ax_options = XkbDfltAccessXOptions; |
| 113 | AccessXComputeCurveFactor(xkbi, ctrls); |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | /************************************************************************/ |
| 118 | /* */ |
| 119 | /* AccessXKeyboardEvent */ |
| 120 | /* */ |
| 121 | /* Generate a synthetic keyboard event. */ |
| 122 | /* */ |
| 123 | /************************************************************************/ |
| 124 | static void |
| 125 | AccessXKeyboardEvent(DeviceIntPtr keybd, int type, BYTE keyCode, Bool isRepeat) |
| 126 | { |
| 127 | DeviceEvent event; |
| 128 | |
| 129 | init_device_event(&event, keybd, GetTimeInMillis()); |
| 130 | event.type = type; |
| 131 | event.detail.key = keyCode; |
| 132 | event.key_repeat = isRepeat; |
| 133 | |
| 134 | if (xkbDebugFlags & 0x8) { |
| 135 | DebugF("[xkb] AXKE: Key %d %s\n", keyCode, |
| 136 | (event.type == ET_KeyPress ? "down" : "up")); |
| 137 | } |
| 138 | |
| 139 | XkbProcessKeyboardEvent(&event, keybd); |
| 140 | return; |
| 141 | } /* AccessXKeyboardEvent */ |
| 142 | |
| 143 | /************************************************************************/ |
| 144 | /* */ |
| 145 | /* AccessXKRGTurnOn */ |
| 146 | /* */ |
| 147 | /* Turn the keyboard response group on. */ |
| 148 | /* */ |
| 149 | /************************************************************************/ |
| 150 | static void |
| 151 | AccessXKRGTurnOn(DeviceIntPtr dev, CARD16 KRGControl, xkbControlsNotify * pCN) |
| 152 | { |
| 153 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 154 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 155 | XkbControlsRec old; |
| 156 | XkbEventCauseRec cause; |
| 157 | XkbSrvLedInfoPtr sli; |
| 158 | |
| 159 | old = *ctrls; |
| 160 | ctrls->enabled_ctrls |= (KRGControl & XkbAX_KRGMask); |
| 161 | if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE)) |
| 162 | XkbSendControlsNotify(dev, pCN); |
| 163 | cause.kc = pCN->keycode; |
| 164 | cause.event = pCN->eventType; |
| 165 | cause.mjr = pCN->requestMajor; |
| 166 | cause.mnr = pCN->requestMinor; |
| 167 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 168 | XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause); |
| 169 | if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) |
| 170 | XkbDDXAccessXBeep(dev, _BEEP_FEATURE_ON, KRGControl); |
| 171 | return; |
| 172 | |
| 173 | } /* AccessXKRGTurnOn */ |
| 174 | |
| 175 | /************************************************************************/ |
| 176 | /* */ |
| 177 | /* AccessXKRGTurnOff */ |
| 178 | /* */ |
| 179 | /* Turn the keyboard response group off. */ |
| 180 | /* */ |
| 181 | /************************************************************************/ |
| 182 | static void |
| 183 | AccessXKRGTurnOff(DeviceIntPtr dev, xkbControlsNotify * pCN) |
| 184 | { |
| 185 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 186 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 187 | XkbControlsRec old; |
| 188 | XkbEventCauseRec cause; |
| 189 | XkbSrvLedInfoPtr sli; |
| 190 | |
| 191 | old = *ctrls; |
| 192 | ctrls->enabled_ctrls &= ~XkbAX_KRGMask; |
| 193 | if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE)) |
| 194 | XkbSendControlsNotify(dev, pCN); |
| 195 | cause.kc = pCN->keycode; |
| 196 | cause.event = pCN->eventType; |
| 197 | cause.mjr = pCN->requestMajor; |
| 198 | cause.mnr = pCN->requestMinor; |
| 199 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 200 | XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause); |
| 201 | if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) { |
| 202 | unsigned changes = old.enabled_ctrls ^ ctrls->enabled_ctrls; |
| 203 | |
| 204 | XkbDDXAccessXBeep(dev, _BEEP_FEATURE_OFF, changes); |
| 205 | } |
| 206 | return; |
| 207 | |
| 208 | } /* AccessXKRGTurnOff */ |
| 209 | |
| 210 | /************************************************************************/ |
| 211 | /* */ |
| 212 | /* AccessXStickyKeysTurnOn */ |
| 213 | /* */ |
| 214 | /* Turn StickyKeys on. */ |
| 215 | /* */ |
| 216 | /************************************************************************/ |
| 217 | static void |
| 218 | AccessXStickyKeysTurnOn(DeviceIntPtr dev, xkbControlsNotify * pCN) |
| 219 | { |
| 220 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 221 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 222 | XkbControlsRec old; |
| 223 | XkbEventCauseRec cause; |
| 224 | XkbSrvLedInfoPtr sli; |
| 225 | |
| 226 | old = *ctrls; |
| 227 | ctrls->enabled_ctrls |= XkbStickyKeysMask; |
| 228 | xkbi->shiftKeyCount = 0; |
| 229 | if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE)) |
| 230 | XkbSendControlsNotify(dev, pCN); |
| 231 | cause.kc = pCN->keycode; |
| 232 | cause.event = pCN->eventType; |
| 233 | cause.mjr = pCN->requestMajor; |
| 234 | cause.mnr = pCN->requestMinor; |
| 235 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 236 | XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause); |
| 237 | if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) { |
| 238 | XkbDDXAccessXBeep(dev, _BEEP_FEATURE_ON, XkbStickyKeysMask); |
| 239 | } |
| 240 | return; |
| 241 | |
| 242 | } /* AccessXStickyKeysTurnOn */ |
| 243 | |
| 244 | /************************************************************************/ |
| 245 | /* */ |
| 246 | /* AccessXStickyKeysTurnOff */ |
| 247 | /* */ |
| 248 | /* Turn StickyKeys off. */ |
| 249 | /* */ |
| 250 | /************************************************************************/ |
| 251 | static void |
| 252 | AccessXStickyKeysTurnOff(DeviceIntPtr dev, xkbControlsNotify * pCN) |
| 253 | { |
| 254 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 255 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 256 | XkbControlsRec old; |
| 257 | XkbEventCauseRec cause; |
| 258 | XkbSrvLedInfoPtr sli; |
| 259 | |
| 260 | old = *ctrls; |
| 261 | ctrls->enabled_ctrls &= ~XkbStickyKeysMask; |
| 262 | xkbi->shiftKeyCount = 0; |
| 263 | if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE)) |
| 264 | XkbSendControlsNotify(dev, pCN); |
| 265 | |
| 266 | cause.kc = pCN->keycode; |
| 267 | cause.event = pCN->eventType; |
| 268 | cause.mjr = pCN->requestMajor; |
| 269 | cause.mnr = pCN->requestMinor; |
| 270 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 271 | XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause); |
| 272 | if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) { |
| 273 | XkbDDXAccessXBeep(dev, _BEEP_FEATURE_OFF, XkbStickyKeysMask); |
| 274 | } |
| 275 | #ifndef NO_CLEAR_LATCHES_FOR_STICKY_KEYS_OFF |
| 276 | XkbClearAllLatchesAndLocks(dev, xkbi, FALSE, &cause); |
| 277 | #endif |
| 278 | return; |
| 279 | } /* AccessXStickyKeysTurnOff */ |
| 280 | |
| 281 | static CARD32 |
| 282 | AccessXKRGExpire(OsTimerPtr timer, CARD32 now, pointer arg) |
| 283 | { |
| 284 | xkbControlsNotify cn; |
| 285 | DeviceIntPtr dev = arg; |
| 286 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 287 | |
| 288 | if (xkbi->krgTimerActive == _KRG_WARN_TIMER) { |
| 289 | XkbDDXAccessXBeep(dev, _BEEP_SLOW_WARN, XkbStickyKeysMask); |
| 290 | xkbi->krgTimerActive = _KRG_TIMER; |
| 291 | return 4000; |
| 292 | } |
| 293 | xkbi->krgTimerActive = _OFF_TIMER; |
| 294 | cn.keycode = xkbi->slowKeyEnableKey; |
| 295 | cn.eventType = KeyPress; |
| 296 | cn.requestMajor = 0; |
| 297 | cn.requestMinor = 0; |
| 298 | if (xkbi->desc->ctrls->enabled_ctrls & XkbSlowKeysMask) { |
| 299 | AccessXKRGTurnOff(dev, &cn); |
| 300 | LogMessage(X_INFO, "XKB SlowKeys are disabled.\n"); |
| 301 | } |
| 302 | else { |
| 303 | AccessXKRGTurnOn(dev, XkbSlowKeysMask, &cn); |
| 304 | LogMessage(X_INFO, "XKB SlowKeys are now enabled. Hold shift to disable.\n"); |
| 305 | } |
| 306 | |
| 307 | xkbi->slowKeyEnableKey = 0; |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | static CARD32 |
| 312 | AccessXRepeatKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg) |
| 313 | { |
| 314 | DeviceIntPtr dev = (DeviceIntPtr) arg; |
| 315 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 316 | |
| 317 | if (xkbi->repeatKey == 0) |
| 318 | return 0; |
| 319 | |
| 320 | AccessXKeyboardEvent(dev, ET_KeyPress, xkbi->repeatKey, TRUE); |
| 321 | |
| 322 | return xkbi->desc->ctrls->repeat_interval; |
| 323 | } |
| 324 | |
| 325 | void |
| 326 | AccessXCancelRepeatKey(XkbSrvInfoPtr xkbi, KeyCode key) |
| 327 | { |
| 328 | if (xkbi->repeatKey == key) |
| 329 | xkbi->repeatKey = 0; |
| 330 | return; |
| 331 | } |
| 332 | |
| 333 | static CARD32 |
| 334 | AccessXSlowKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg) |
| 335 | { |
| 336 | DeviceIntPtr keybd; |
| 337 | XkbSrvInfoPtr xkbi; |
| 338 | XkbDescPtr xkb; |
| 339 | XkbControlsPtr ctrls; |
| 340 | |
| 341 | keybd = (DeviceIntPtr) arg; |
| 342 | xkbi = keybd->key->xkbInfo; |
| 343 | xkb = xkbi->desc; |
| 344 | ctrls = xkb->ctrls; |
| 345 | if (xkbi->slowKey != 0) { |
| 346 | xkbAccessXNotify ev; |
| 347 | KeySym *sym = XkbKeySymsPtr(xkb, xkbi->slowKey); |
| 348 | |
| 349 | ev.detail = XkbAXN_SKAccept; |
| 350 | ev.keycode = xkbi->slowKey; |
| 351 | ev.slowKeysDelay = ctrls->slow_keys_delay; |
| 352 | ev.debounceDelay = ctrls->debounce_delay; |
| 353 | XkbSendAccessXNotify(keybd, &ev); |
| 354 | if (XkbAX_NeedFeedback(ctrls, XkbAX_SKAcceptFBMask)) |
| 355 | XkbDDXAccessXBeep(keybd, _BEEP_SLOW_ACCEPT, XkbSlowKeysMask); |
| 356 | AccessXKeyboardEvent(keybd, ET_KeyPress, xkbi->slowKey, FALSE); |
| 357 | /* check for magic sequences */ |
| 358 | if ((ctrls->enabled_ctrls & XkbAccessXKeysMask) && |
| 359 | ((sym[0] == XK_Shift_R) || (sym[0] == XK_Shift_L))) |
| 360 | xkbi->shiftKeyCount++; |
| 361 | |
| 362 | /* Start repeating if necessary. Stop autorepeating if the user |
| 363 | * presses a non-modifier key that doesn't autorepeat. |
| 364 | */ |
| 365 | if (keybd->kbdfeed->ctrl.autoRepeat && |
| 366 | ((xkbi->slowKey != xkbi->mouseKey) || (!xkbi->mouseKeysAccel)) && |
| 367 | (ctrls->enabled_ctrls & XkbRepeatKeysMask)) { |
| 368 | if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats, xkbi->slowKey)) { |
| 369 | xkbi->repeatKey = xkbi->slowKey; |
| 370 | xkbi->repeatKeyTimer = TimerSet(xkbi->repeatKeyTimer, |
| 371 | 0, ctrls->repeat_delay, |
| 372 | AccessXRepeatKeyExpire, |
| 373 | (pointer) keybd); |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | static CARD32 |
| 381 | AccessXBounceKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg) |
| 382 | { |
| 383 | XkbSrvInfoPtr xkbi = ((DeviceIntPtr) arg)->key->xkbInfo; |
| 384 | |
| 385 | xkbi->inactiveKey = 0; |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | static CARD32 |
| 390 | AccessXTimeoutExpire(OsTimerPtr timer, CARD32 now, pointer arg) |
| 391 | { |
| 392 | DeviceIntPtr dev = (DeviceIntPtr) arg; |
| 393 | XkbSrvInfoPtr xkbi = dev->key->xkbInfo; |
| 394 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 395 | XkbControlsRec old; |
| 396 | xkbControlsNotify cn; |
| 397 | XkbEventCauseRec cause; |
| 398 | XkbSrvLedInfoPtr sli; |
| 399 | |
| 400 | if (xkbi->lastPtrEventTime) { |
| 401 | unsigned timeToWait = (ctrls->ax_timeout * 1000); |
| 402 | unsigned timeElapsed = (now - xkbi->lastPtrEventTime); |
| 403 | |
| 404 | if (timeToWait > timeElapsed) |
| 405 | return timeToWait - timeElapsed; |
| 406 | } |
| 407 | old = *ctrls; |
| 408 | xkbi->shiftKeyCount = 0; |
| 409 | ctrls->enabled_ctrls &= ~ctrls->axt_ctrls_mask; |
| 410 | ctrls->enabled_ctrls |= (ctrls->axt_ctrls_values & ctrls->axt_ctrls_mask); |
| 411 | if (ctrls->axt_opts_mask) { |
| 412 | ctrls->ax_options &= ~ctrls->axt_opts_mask; |
| 413 | ctrls->ax_options |= (ctrls->axt_opts_values & ctrls->axt_opts_mask); |
| 414 | } |
| 415 | if (XkbComputeControlsNotify(dev, &old, ctrls, &cn, FALSE)) { |
| 416 | cn.keycode = 0; |
| 417 | cn.eventType = 0; |
| 418 | cn.requestMajor = 0; |
| 419 | cn.requestMinor = 0; |
| 420 | XkbSendControlsNotify(dev, &cn); |
| 421 | } |
| 422 | XkbSetCauseUnknown(&cause); |
| 423 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 424 | XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause); |
| 425 | if (ctrls->ax_options != old.ax_options) { |
| 426 | unsigned set, cleared, bell; |
| 427 | |
| 428 | set = ctrls->ax_options & (~old.ax_options); |
| 429 | cleared = (~ctrls->ax_options) & old.ax_options; |
| 430 | if (set && cleared) |
| 431 | bell = _BEEP_FEATURE_CHANGE; |
| 432 | else if (set) |
| 433 | bell = _BEEP_FEATURE_ON; |
| 434 | else |
| 435 | bell = _BEEP_FEATURE_OFF; |
| 436 | XkbDDXAccessXBeep(dev, bell, XkbAccessXTimeoutMask); |
| 437 | } |
| 438 | xkbi->krgTimerActive = _OFF_TIMER; |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | /************************************************************************/ |
| 443 | /* */ |
| 444 | /* AccessXFilterPressEvent */ |
| 445 | /* */ |
| 446 | /* Filter events before they get any further if SlowKeys is turned on. */ |
| 447 | /* In addition, this routine handles the ever so popular magic key */ |
| 448 | /* acts for turning various accessibility features on/off. */ |
| 449 | /* */ |
| 450 | /* Returns TRUE if this routine has discarded the event. */ |
| 451 | /* Returns FALSE if the event needs further processing. */ |
| 452 | /* */ |
| 453 | /************************************************************************/ |
| 454 | Bool |
| 455 | AccessXFilterPressEvent(DeviceEvent *event, DeviceIntPtr keybd) |
| 456 | { |
| 457 | XkbSrvInfoPtr xkbi = keybd->key->xkbInfo; |
| 458 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 459 | Bool ignoreKeyEvent = FALSE; |
| 460 | KeyCode key = event->detail.key; |
| 461 | KeySym *sym = XkbKeySymsPtr(xkbi->desc, key); |
| 462 | |
| 463 | if (ctrls->enabled_ctrls & XkbAccessXKeysMask) { |
| 464 | /* check for magic sequences */ |
| 465 | if ((sym[0] == XK_Shift_R) || (sym[0] == XK_Shift_L)) { |
| 466 | xkbi->slowKeyEnableKey = key; |
| 467 | if (XkbAX_NeedFeedback(ctrls, XkbAX_SlowWarnFBMask)) { |
| 468 | xkbi->krgTimerActive = _KRG_WARN_TIMER; |
| 469 | xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 4000, |
| 470 | AccessXKRGExpire, (pointer) keybd); |
| 471 | } |
| 472 | else { |
| 473 | xkbi->krgTimerActive = _KRG_TIMER; |
| 474 | xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 8000, |
| 475 | AccessXKRGExpire, (pointer) keybd); |
| 476 | } |
| 477 | if (!(ctrls->enabled_ctrls & XkbSlowKeysMask)) { |
| 478 | CARD32 now = GetTimeInMillis(); |
| 479 | |
| 480 | if ((now - xkbi->lastShiftEventTime) > 15000) |
| 481 | xkbi->shiftKeyCount = 1; |
| 482 | else |
| 483 | xkbi->shiftKeyCount++; |
| 484 | xkbi->lastShiftEventTime = now; |
| 485 | } |
| 486 | } |
| 487 | else { |
| 488 | if (xkbi->krgTimerActive) { |
| 489 | xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 0, NULL, NULL); |
| 490 | xkbi->krgTimerActive = _OFF_TIMER; |
| 491 | } |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | /* Don't transmit the KeyPress if SlowKeys is turned on; |
| 496 | * The wakeup handler will synthesize one for us if the user |
| 497 | * has held the key long enough. |
| 498 | */ |
| 499 | if (ctrls->enabled_ctrls & XkbSlowKeysMask) { |
| 500 | xkbAccessXNotify ev; |
| 501 | |
| 502 | /* If key was already pressed, ignore subsequent press events |
| 503 | * from the server's autorepeat |
| 504 | */ |
| 505 | if (xkbi->slowKey == key) |
| 506 | return TRUE; |
| 507 | ev.detail = XkbAXN_SKPress; |
| 508 | ev.keycode = key; |
| 509 | ev.slowKeysDelay = ctrls->slow_keys_delay; |
| 510 | ev.debounceDelay = ctrls->debounce_delay; |
| 511 | XkbSendAccessXNotify(keybd, &ev); |
| 512 | if (XkbAX_NeedFeedback(ctrls, XkbAX_SKPressFBMask)) |
| 513 | XkbDDXAccessXBeep(keybd, _BEEP_SLOW_PRESS, XkbSlowKeysMask); |
| 514 | xkbi->slowKey = key; |
| 515 | xkbi->slowKeysTimer = TimerSet(xkbi->slowKeysTimer, |
| 516 | 0, ctrls->slow_keys_delay, |
| 517 | AccessXSlowKeyExpire, (pointer) keybd); |
| 518 | ignoreKeyEvent = TRUE; |
| 519 | } |
| 520 | |
| 521 | /* Don't transmit the KeyPress if BounceKeys is turned on |
| 522 | * and the user pressed the same key within a given time period |
| 523 | * from the last release. |
| 524 | */ |
| 525 | else if ((ctrls->enabled_ctrls & XkbBounceKeysMask) && |
| 526 | (key == xkbi->inactiveKey)) { |
| 527 | if (XkbAX_NeedFeedback(ctrls, XkbAX_BKRejectFBMask)) |
| 528 | XkbDDXAccessXBeep(keybd, _BEEP_BOUNCE_REJECT, XkbBounceKeysMask); |
| 529 | ignoreKeyEvent = TRUE; |
| 530 | } |
| 531 | |
| 532 | /* Start repeating if necessary. Stop autorepeating if the user |
| 533 | * presses a non-modifier key that doesn't autorepeat. |
| 534 | */ |
| 535 | if (XkbDDXUsesSoftRepeat(keybd)) { |
| 536 | if ((keybd->kbdfeed->ctrl.autoRepeat) && |
| 537 | ((ctrls->enabled_ctrls & (XkbSlowKeysMask | XkbRepeatKeysMask)) == |
| 538 | XkbRepeatKeysMask)) { |
| 539 | if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats, key)) { |
| 540 | if (xkbDebugFlags & 0x10) |
| 541 | DebugF("Starting software autorepeat...\n"); |
| 542 | if (xkbi->repeatKey == key) |
| 543 | ignoreKeyEvent = TRUE; |
| 544 | else { |
| 545 | xkbi->repeatKey = key; |
| 546 | xkbi->repeatKeyTimer = TimerSet(xkbi->repeatKeyTimer, |
| 547 | 0, ctrls->repeat_delay, |
| 548 | AccessXRepeatKeyExpire, |
| 549 | (pointer) keybd); |
| 550 | } |
| 551 | } |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | /* Check for two keys being pressed at the same time. This section |
| 556 | * essentially says the following: |
| 557 | * |
| 558 | * If StickyKeys is on, and a modifier is currently being held down, |
| 559 | * and one of the following is true: the current key is not a modifier |
| 560 | * or the currentKey is a modifier, but not the only modifier being |
| 561 | * held down, turn StickyKeys off if the TwoKeys off ctrl is set. |
| 562 | */ |
| 563 | if ((ctrls->enabled_ctrls & XkbStickyKeysMask) && |
| 564 | (xkbi->state.base_mods != 0) && |
| 565 | (XkbAX_NeedOption(ctrls, XkbAX_TwoKeysMask))) { |
| 566 | xkbControlsNotify cn; |
| 567 | |
| 568 | cn.keycode = key; |
| 569 | cn.eventType = KeyPress; |
| 570 | cn.requestMajor = 0; |
| 571 | cn.requestMinor = 0; |
| 572 | AccessXStickyKeysTurnOff(keybd, &cn); |
| 573 | } |
| 574 | |
| 575 | if (!ignoreKeyEvent) |
| 576 | XkbProcessKeyboardEvent(event, keybd); |
| 577 | return ignoreKeyEvent; |
| 578 | } /* AccessXFilterPressEvent */ |
| 579 | |
| 580 | /************************************************************************/ |
| 581 | /* */ |
| 582 | /* AccessXFilterReleaseEvent */ |
| 583 | /* */ |
| 584 | /* Filter events before they get any further if SlowKeys is turned on. */ |
| 585 | /* In addition, this routine handles the ever so popular magic key */ |
| 586 | /* acts for turning various accessibility features on/off. */ |
| 587 | /* */ |
| 588 | /* Returns TRUE if this routine has discarded the event. */ |
| 589 | /* Returns FALSE if the event needs further processing. */ |
| 590 | /* */ |
| 591 | /************************************************************************/ |
| 592 | Bool |
| 593 | AccessXFilterReleaseEvent(DeviceEvent *event, DeviceIntPtr keybd) |
| 594 | { |
| 595 | XkbSrvInfoPtr xkbi = keybd->key->xkbInfo; |
| 596 | XkbControlsPtr ctrls = xkbi->desc->ctrls; |
| 597 | KeyCode key = event->detail.key; |
| 598 | Bool ignoreKeyEvent = FALSE; |
| 599 | |
| 600 | /* Don't transmit the KeyRelease if BounceKeys is on and |
| 601 | * this is the release of a key that was ignored due to |
| 602 | * BounceKeys. |
| 603 | */ |
| 604 | if (ctrls->enabled_ctrls & XkbBounceKeysMask) { |
| 605 | if ((key != xkbi->mouseKey) && (!BitIsOn(keybd->key->down, key))) |
| 606 | ignoreKeyEvent = TRUE; |
| 607 | xkbi->inactiveKey = key; |
| 608 | xkbi->bounceKeysTimer = TimerSet(xkbi->bounceKeysTimer, 0, |
| 609 | ctrls->debounce_delay, |
| 610 | AccessXBounceKeyExpire, |
| 611 | (pointer) keybd); |
| 612 | } |
| 613 | |
| 614 | /* Don't transmit the KeyRelease if SlowKeys is turned on and |
| 615 | * the user didn't hold the key long enough. We know we passed |
| 616 | * the key if the down bit was set by CoreProcessKeyboadEvent. |
| 617 | */ |
| 618 | if (ctrls->enabled_ctrls & XkbSlowKeysMask) { |
| 619 | xkbAccessXNotify ev; |
| 620 | unsigned beep_type; |
| 621 | |
| 622 | ev.keycode = key; |
| 623 | ev.slowKeysDelay = ctrls->slow_keys_delay; |
| 624 | ev.debounceDelay = ctrls->debounce_delay; |
| 625 | if (BitIsOn(keybd->key->down, key) || (xkbi->mouseKey == key)) { |
| 626 | ev.detail = XkbAXN_SKRelease; |
| 627 | beep_type = _BEEP_SLOW_RELEASE; |
| 628 | } |
| 629 | else { |
| 630 | ev.detail = XkbAXN_SKReject; |
| 631 | beep_type = _BEEP_SLOW_REJECT; |
| 632 | ignoreKeyEvent = TRUE; |
| 633 | } |
| 634 | XkbSendAccessXNotify(keybd, &ev); |
| 635 | if (XkbAX_NeedFeedback(ctrls, XkbAX_SKRejectFBMask)) { |
| 636 | XkbDDXAccessXBeep(keybd, beep_type, XkbSlowKeysMask); |
| 637 | } |
| 638 | if (xkbi->slowKey == key) |
| 639 | xkbi->slowKey = 0; |
| 640 | } |
| 641 | |
| 642 | /* Stop Repeating if the user releases the key that is currently |
| 643 | * repeating. |
| 644 | */ |
| 645 | if (xkbi->repeatKey == key) { |
| 646 | xkbi->repeatKey = 0; |
| 647 | } |
| 648 | |
| 649 | if ((ctrls->enabled_ctrls & XkbAccessXTimeoutMask) && |
| 650 | (ctrls->ax_timeout > 0)) { |
| 651 | xkbi->lastPtrEventTime = 0; |
| 652 | xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, |
| 653 | ctrls->ax_timeout * 1000, |
| 654 | AccessXTimeoutExpire, (pointer) keybd); |
| 655 | xkbi->krgTimerActive = _ALL_TIMEOUT_TIMER; |
| 656 | } |
| 657 | else if (xkbi->krgTimerActive != _OFF_TIMER) { |
| 658 | xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 0, NULL, NULL); |
| 659 | xkbi->krgTimerActive = _OFF_TIMER; |
| 660 | } |
| 661 | |
| 662 | /* Keep track of how many times the Shift key has been pressed. |
| 663 | * If it has been pressed and released 5 times in a row, toggle |
| 664 | * the state of StickyKeys. |
| 665 | */ |
| 666 | if ((!ignoreKeyEvent) && (xkbi->shiftKeyCount)) { |
| 667 | KeySym *pSym = XkbKeySymsPtr(xkbi->desc, key); |
| 668 | |
| 669 | if ((pSym[0] != XK_Shift_L) && (pSym[0] != XK_Shift_R)) { |
| 670 | xkbi->shiftKeyCount = 0; |
| 671 | } |
| 672 | else if (xkbi->shiftKeyCount >= 5) { |
| 673 | xkbControlsNotify cn; |
| 674 | |
| 675 | cn.keycode = key; |
| 676 | cn.eventType = KeyPress; |
| 677 | cn.requestMajor = 0; |
| 678 | cn.requestMinor = 0; |
| 679 | if (ctrls->enabled_ctrls & XkbStickyKeysMask) |
| 680 | AccessXStickyKeysTurnOff(keybd, &cn); |
| 681 | else |
| 682 | AccessXStickyKeysTurnOn(keybd, &cn); |
| 683 | xkbi->shiftKeyCount = 0; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | if (!ignoreKeyEvent) |
| 688 | XkbProcessKeyboardEvent(event, keybd); |
| 689 | return ignoreKeyEvent; |
| 690 | |
| 691 | } /* AccessXFilterReleaseEvent */ |
| 692 | |
| 693 | /************************************************************************/ |
| 694 | /* */ |
| 695 | /* ProcessPointerEvent */ |
| 696 | /* */ |
| 697 | /* This routine merely sets the shiftKeyCount and clears the keyboard */ |
| 698 | /* response group timer (if necessary) on a mouse event. This is so */ |
| 699 | /* multiple shifts with just the mouse and shift-drags with the mouse */ |
| 700 | /* don't accidentally turn on StickyKeys or the Keyboard Response Group.*/ |
| 701 | /* */ |
| 702 | /************************************************************************/ |
| 703 | extern int xkbDevicePrivateIndex; |
| 704 | void |
| 705 | ProcessPointerEvent(InternalEvent *ev, DeviceIntPtr mouse) |
| 706 | { |
| 707 | DeviceIntPtr dev; |
| 708 | XkbSrvInfoPtr xkbi = NULL; |
| 709 | unsigned changed = 0; |
| 710 | ProcessInputProc backupproc; |
| 711 | xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(mouse); |
| 712 | DeviceEvent *event = &ev->device_event; |
| 713 | |
| 714 | dev = (IsMaster(mouse) || IsFloating(mouse)) ? mouse : GetMaster(mouse, MASTER_KEYBOARD); |
| 715 | |
| 716 | if (dev && dev->key) { |
| 717 | xkbi = dev->key->xkbInfo; |
| 718 | xkbi->shiftKeyCount = 0; |
| 719 | xkbi->lastPtrEventTime = event->time; |
| 720 | } |
| 721 | |
| 722 | if (event->type == ET_ButtonPress) { |
| 723 | changed |= XkbPointerButtonMask; |
| 724 | } |
| 725 | else if (event->type == ET_ButtonRelease) { |
| 726 | if (IsMaster(dev)) { |
| 727 | DeviceIntPtr source; |
| 728 | int rc; |
| 729 | |
| 730 | rc = dixLookupDevice(&source, event->sourceid, serverClient, |
| 731 | DixWriteAccess); |
| 732 | if (rc != Success) |
| 733 | ErrorF("[xkb] bad sourceid '%d' on button release event.\n", |
| 734 | event->sourceid); |
| 735 | else if (!IsXTestDevice(source, GetMaster(dev, MASTER_POINTER))) { |
| 736 | DeviceIntPtr xtest_device; |
| 737 | |
| 738 | xtest_device = GetXTestDevice(GetMaster(dev, MASTER_POINTER)); |
| 739 | if (button_is_down(xtest_device, ev->device_event.detail.button, BUTTON_PROCESSED)) |
| 740 | XkbFakeDeviceButton(dev, FALSE, event->detail.key); |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | if (xkbi) |
| 745 | xkbi->lockedPtrButtons &= ~(1 << (event->detail.key & 0x7)); |
| 746 | |
| 747 | changed |= XkbPointerButtonMask; |
| 748 | } |
| 749 | |
| 750 | UNWRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr, backupproc); |
| 751 | mouse->public.processInputProc(ev, mouse); |
| 752 | COND_WRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr, backupproc, xkbUnwrapProc); |
| 753 | |
| 754 | if (!xkbi) |
| 755 | return; |
| 756 | |
| 757 | xkbi->state.ptr_buttons = (mouse->button) ? mouse->button->state : 0; |
| 758 | |
| 759 | /* clear any latched modifiers */ |
| 760 | if (xkbi->state.latched_mods && (event->type == ET_ButtonRelease)) { |
| 761 | unsigned changed_leds; |
| 762 | XkbStateRec oldState; |
| 763 | XkbSrvLedInfoPtr sli; |
| 764 | |
| 765 | sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0); |
| 766 | oldState = xkbi->state; |
| 767 | XkbLatchModifiers(dev, 0xFF, 0x00); |
| 768 | |
| 769 | XkbComputeDerivedState(xkbi); |
| 770 | changed |= XkbStateChangedFlags(&oldState, &xkbi->state); |
| 771 | if (changed & sli->usedComponents) { |
| 772 | changed_leds = XkbIndicatorsToUpdate(dev, changed, FALSE); |
| 773 | if (changed_leds) { |
| 774 | XkbEventCauseRec cause; |
| 775 | |
| 776 | XkbSetCauseKey(&cause, (event->detail.key & 0x7), event->type); |
| 777 | XkbUpdateIndicators(dev, changed_leds, TRUE, NULL, &cause); |
| 778 | } |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | if (((xkbi->flags & _XkbStateNotifyInProgress) == 0) && (changed != 0)) { |
| 783 | xkbStateNotify sn; |
| 784 | |
| 785 | sn.keycode = event->detail.key; |
| 786 | sn.eventType = event->type; |
| 787 | sn.requestMajor = sn.requestMinor = 0; |
| 788 | sn.changed = changed; |
| 789 | XkbSendStateNotify(dev, &sn); |
| 790 | } |
| 791 | |
| 792 | } /* ProcessPointerEvent */ |