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a09e091a JB |
1 | /* |
2 | * Copyright © 2006 Keith Packard | |
3 | * Copyright © 2008 Peter Hutterer | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WAXIANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WAXIANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
22 | * DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | */ | |
25 | ||
26 | /* This code is a modified version of randr/rrproperty.c */ | |
27 | ||
28 | #ifdef HAVE_DIX_CONFIG_H | |
29 | #include <dix-config.h> | |
30 | #endif | |
31 | ||
32 | #include "dix.h" | |
33 | #include "inputstr.h" | |
34 | #include <X11/extensions/XI.h> | |
35 | #include <X11/Xatom.h> | |
36 | #include <X11/extensions/XIproto.h> | |
37 | #include <X11/extensions/XI2proto.h> | |
38 | #include "exglobals.h" | |
39 | #include "exevents.h" | |
40 | #include "swaprep.h" | |
41 | ||
42 | #include "xiproperty.h" | |
43 | #include "xserver-properties.h" | |
44 | ||
45 | /** | |
46 | * Properties used or alloced from inside the server. | |
47 | */ | |
48 | static struct dev_properties { | |
49 | Atom type; | |
50 | const char *name; | |
51 | } dev_properties[] = { | |
52 | {0, XI_PROP_ENABLED}, | |
53 | {0, XI_PROP_XTEST_DEVICE}, | |
54 | {0, XATOM_FLOAT}, | |
55 | {0, ACCEL_PROP_PROFILE_NUMBER}, | |
56 | {0, ACCEL_PROP_CONSTANT_DECELERATION}, | |
57 | {0, ACCEL_PROP_ADAPTIVE_DECELERATION}, | |
58 | {0, ACCEL_PROP_VELOCITY_SCALING}, | |
59 | {0, AXIS_LABEL_PROP}, | |
60 | {0, AXIS_LABEL_PROP_REL_X}, | |
61 | {0, AXIS_LABEL_PROP_REL_Y}, | |
62 | {0, AXIS_LABEL_PROP_REL_Z}, | |
63 | {0, AXIS_LABEL_PROP_REL_RX}, | |
64 | {0, AXIS_LABEL_PROP_REL_RY}, | |
65 | {0, AXIS_LABEL_PROP_REL_RZ}, | |
66 | {0, AXIS_LABEL_PROP_REL_HWHEEL}, | |
67 | {0, AXIS_LABEL_PROP_REL_DIAL}, | |
68 | {0, AXIS_LABEL_PROP_REL_WHEEL}, | |
69 | {0, AXIS_LABEL_PROP_REL_MISC}, | |
70 | {0, AXIS_LABEL_PROP_REL_VSCROLL}, | |
71 | {0, AXIS_LABEL_PROP_REL_HSCROLL}, | |
72 | {0, AXIS_LABEL_PROP_ABS_X}, | |
73 | {0, AXIS_LABEL_PROP_ABS_Y}, | |
74 | {0, AXIS_LABEL_PROP_ABS_Z}, | |
75 | {0, AXIS_LABEL_PROP_ABS_RX}, | |
76 | {0, AXIS_LABEL_PROP_ABS_RY}, | |
77 | {0, AXIS_LABEL_PROP_ABS_RZ}, | |
78 | {0, AXIS_LABEL_PROP_ABS_THROTTLE}, | |
79 | {0, AXIS_LABEL_PROP_ABS_RUDDER}, | |
80 | {0, AXIS_LABEL_PROP_ABS_WHEEL}, | |
81 | {0, AXIS_LABEL_PROP_ABS_GAS}, | |
82 | {0, AXIS_LABEL_PROP_ABS_BRAKE}, | |
83 | {0, AXIS_LABEL_PROP_ABS_HAT0X}, | |
84 | {0, AXIS_LABEL_PROP_ABS_HAT0Y}, | |
85 | {0, AXIS_LABEL_PROP_ABS_HAT1X}, | |
86 | {0, AXIS_LABEL_PROP_ABS_HAT1Y}, | |
87 | {0, AXIS_LABEL_PROP_ABS_HAT2X}, | |
88 | {0, AXIS_LABEL_PROP_ABS_HAT2Y}, | |
89 | {0, AXIS_LABEL_PROP_ABS_HAT3X}, | |
90 | {0, AXIS_LABEL_PROP_ABS_HAT3Y}, | |
91 | {0, AXIS_LABEL_PROP_ABS_PRESSURE}, | |
92 | {0, AXIS_LABEL_PROP_ABS_DISTANCE}, | |
93 | {0, AXIS_LABEL_PROP_ABS_TILT_X}, | |
94 | {0, AXIS_LABEL_PROP_ABS_TILT_Y}, | |
95 | {0, AXIS_LABEL_PROP_ABS_TOOL_WIDTH}, | |
96 | {0, AXIS_LABEL_PROP_ABS_VOLUME}, | |
97 | {0, AXIS_LABEL_PROP_ABS_MT_TOUCH_MAJOR}, | |
98 | {0, AXIS_LABEL_PROP_ABS_MT_TOUCH_MINOR}, | |
99 | {0, AXIS_LABEL_PROP_ABS_MT_WIDTH_MAJOR}, | |
100 | {0, AXIS_LABEL_PROP_ABS_MT_WIDTH_MINOR}, | |
101 | {0, AXIS_LABEL_PROP_ABS_MT_ORIENTATION}, | |
102 | {0, AXIS_LABEL_PROP_ABS_MT_POSITION_X}, | |
103 | {0, AXIS_LABEL_PROP_ABS_MT_POSITION_Y}, | |
104 | {0, AXIS_LABEL_PROP_ABS_MT_TOOL_TYPE}, | |
105 | {0, AXIS_LABEL_PROP_ABS_MT_BLOB_ID}, | |
106 | {0, AXIS_LABEL_PROP_ABS_MT_TRACKING_ID}, | |
107 | {0, AXIS_LABEL_PROP_ABS_MT_PRESSURE}, | |
108 | {0, AXIS_LABEL_PROP_ABS_MT_DISTANCE}, | |
109 | {0, AXIS_LABEL_PROP_ABS_MT_TOOL_X}, | |
110 | {0, AXIS_LABEL_PROP_ABS_MT_TOOL_Y}, | |
111 | {0, AXIS_LABEL_PROP_ABS_MISC}, | |
112 | {0, BTN_LABEL_PROP}, | |
113 | {0, BTN_LABEL_PROP_BTN_UNKNOWN}, | |
114 | {0, BTN_LABEL_PROP_BTN_WHEEL_UP}, | |
115 | {0, BTN_LABEL_PROP_BTN_WHEEL_DOWN}, | |
116 | {0, BTN_LABEL_PROP_BTN_HWHEEL_LEFT}, | |
117 | {0, BTN_LABEL_PROP_BTN_HWHEEL_RIGHT}, | |
118 | {0, BTN_LABEL_PROP_BTN_0}, | |
119 | {0, BTN_LABEL_PROP_BTN_1}, | |
120 | {0, BTN_LABEL_PROP_BTN_2}, | |
121 | {0, BTN_LABEL_PROP_BTN_3}, | |
122 | {0, BTN_LABEL_PROP_BTN_4}, | |
123 | {0, BTN_LABEL_PROP_BTN_5}, | |
124 | {0, BTN_LABEL_PROP_BTN_6}, | |
125 | {0, BTN_LABEL_PROP_BTN_7}, | |
126 | {0, BTN_LABEL_PROP_BTN_8}, | |
127 | {0, BTN_LABEL_PROP_BTN_9}, | |
128 | {0, BTN_LABEL_PROP_BTN_LEFT}, | |
129 | {0, BTN_LABEL_PROP_BTN_RIGHT}, | |
130 | {0, BTN_LABEL_PROP_BTN_MIDDLE}, | |
131 | {0, BTN_LABEL_PROP_BTN_SIDE}, | |
132 | {0, BTN_LABEL_PROP_BTN_EXTRA}, | |
133 | {0, BTN_LABEL_PROP_BTN_FORWARD}, | |
134 | {0, BTN_LABEL_PROP_BTN_BACK}, | |
135 | {0, BTN_LABEL_PROP_BTN_TASK}, | |
136 | {0, BTN_LABEL_PROP_BTN_TRIGGER}, | |
137 | {0, BTN_LABEL_PROP_BTN_THUMB}, | |
138 | {0, BTN_LABEL_PROP_BTN_THUMB2}, | |
139 | {0, BTN_LABEL_PROP_BTN_TOP}, | |
140 | {0, BTN_LABEL_PROP_BTN_TOP2}, | |
141 | {0, BTN_LABEL_PROP_BTN_PINKIE}, | |
142 | {0, BTN_LABEL_PROP_BTN_BASE}, | |
143 | {0, BTN_LABEL_PROP_BTN_BASE2}, | |
144 | {0, BTN_LABEL_PROP_BTN_BASE3}, | |
145 | {0, BTN_LABEL_PROP_BTN_BASE4}, | |
146 | {0, BTN_LABEL_PROP_BTN_BASE5}, | |
147 | {0, BTN_LABEL_PROP_BTN_BASE6}, | |
148 | {0, BTN_LABEL_PROP_BTN_DEAD}, | |
149 | {0, BTN_LABEL_PROP_BTN_A}, | |
150 | {0, BTN_LABEL_PROP_BTN_B}, | |
151 | {0, BTN_LABEL_PROP_BTN_C}, | |
152 | {0, BTN_LABEL_PROP_BTN_X}, | |
153 | {0, BTN_LABEL_PROP_BTN_Y}, | |
154 | {0, BTN_LABEL_PROP_BTN_Z}, | |
155 | {0, BTN_LABEL_PROP_BTN_TL}, | |
156 | {0, BTN_LABEL_PROP_BTN_TR}, | |
157 | {0, BTN_LABEL_PROP_BTN_TL2}, | |
158 | {0, BTN_LABEL_PROP_BTN_TR2}, | |
159 | {0, BTN_LABEL_PROP_BTN_SELECT}, | |
160 | {0, BTN_LABEL_PROP_BTN_START}, | |
161 | {0, BTN_LABEL_PROP_BTN_MODE}, | |
162 | {0, BTN_LABEL_PROP_BTN_THUMBL}, | |
163 | {0, BTN_LABEL_PROP_BTN_THUMBR}, | |
164 | {0, BTN_LABEL_PROP_BTN_TOOL_PEN}, | |
165 | {0, BTN_LABEL_PROP_BTN_TOOL_RUBBER}, | |
166 | {0, BTN_LABEL_PROP_BTN_TOOL_BRUSH}, | |
167 | {0, BTN_LABEL_PROP_BTN_TOOL_PENCIL}, | |
168 | {0, BTN_LABEL_PROP_BTN_TOOL_AIRBRUSH}, | |
169 | {0, BTN_LABEL_PROP_BTN_TOOL_FINGER}, | |
170 | {0, BTN_LABEL_PROP_BTN_TOOL_MOUSE}, | |
171 | {0, BTN_LABEL_PROP_BTN_TOOL_LENS}, | |
172 | {0, BTN_LABEL_PROP_BTN_TOUCH}, | |
173 | {0, BTN_LABEL_PROP_BTN_STYLUS}, | |
174 | {0, BTN_LABEL_PROP_BTN_STYLUS2}, | |
175 | {0, BTN_LABEL_PROP_BTN_TOOL_DOUBLETAP}, | |
176 | {0, BTN_LABEL_PROP_BTN_TOOL_TRIPLETAP}, | |
177 | {0, BTN_LABEL_PROP_BTN_GEAR_DOWN}, | |
178 | {0, BTN_LABEL_PROP_BTN_GEAR_UP}, | |
179 | {0, XI_PROP_TRANSFORM} | |
180 | }; | |
181 | ||
182 | static long XIPropHandlerID = 1; | |
183 | ||
184 | static void | |
185 | send_property_event(DeviceIntPtr dev, Atom property, int what) | |
186 | { | |
187 | int state = (what == XIPropertyDeleted) ? PropertyDelete : PropertyNewValue; | |
188 | devicePropertyNotify event = { | |
189 | .type = DevicePropertyNotify, | |
190 | .deviceid = dev->id, | |
191 | .state = state, | |
192 | .atom = property, | |
193 | .time = currentTime.milliseconds | |
194 | }; | |
195 | xXIPropertyEvent xi2 = { | |
196 | .type = GenericEvent, | |
197 | .extension = IReqCode, | |
198 | .length = 0, | |
199 | .evtype = XI_PropertyEvent, | |
200 | .deviceid = dev->id, | |
201 | .time = currentTime.milliseconds, | |
202 | .property = property, | |
203 | .what = what | |
204 | }; | |
205 | ||
206 | SendEventToAllWindows(dev, DevicePropertyNotifyMask, (xEvent *) &event, 1); | |
207 | ||
208 | SendEventToAllWindows(dev, GetEventFilter(dev, (xEvent *) &xi2), | |
209 | (xEvent *) &xi2, 1); | |
210 | } | |
211 | ||
212 | static int | |
213 | list_atoms(DeviceIntPtr dev, int *natoms, Atom **atoms_return) | |
214 | { | |
215 | XIPropertyPtr prop; | |
216 | Atom *atoms = NULL; | |
217 | int nprops = 0; | |
218 | ||
219 | for (prop = dev->properties.properties; prop; prop = prop->next) | |
220 | nprops++; | |
221 | if (nprops) { | |
222 | Atom *a; | |
223 | ||
224 | atoms = malloc(nprops * sizeof(Atom)); | |
225 | if (!atoms) | |
226 | return BadAlloc; | |
227 | a = atoms; | |
228 | for (prop = dev->properties.properties; prop; prop = prop->next, a++) | |
229 | *a = prop->propertyName; | |
230 | } | |
231 | ||
232 | *natoms = nprops; | |
233 | *atoms_return = atoms; | |
234 | return Success; | |
235 | } | |
236 | ||
237 | static int | |
238 | get_property(ClientPtr client, DeviceIntPtr dev, Atom property, Atom type, | |
239 | BOOL delete, int offset, int length, | |
240 | int *bytes_after, Atom *type_return, int *format, int *nitems, | |
241 | int *length_return, char **data) | |
242 | { | |
243 | unsigned long n, len, ind; | |
244 | int rc; | |
245 | XIPropertyPtr prop; | |
246 | XIPropertyValuePtr prop_value; | |
247 | ||
248 | if (!ValidAtom(property)) { | |
249 | client->errorValue = property; | |
250 | return BadAtom; | |
251 | } | |
252 | if ((delete != xTrue) && (delete != xFalse)) { | |
253 | client->errorValue = delete; | |
254 | return BadValue; | |
255 | } | |
256 | ||
257 | if ((type != AnyPropertyType) && !ValidAtom(type)) { | |
258 | client->errorValue = type; | |
259 | return BadAtom; | |
260 | } | |
261 | ||
262 | for (prop = dev->properties.properties; prop; prop = prop->next) | |
263 | if (prop->propertyName == property) | |
264 | break; | |
265 | ||
266 | if (!prop) { | |
267 | *bytes_after = 0; | |
268 | *type_return = None; | |
269 | *format = 0; | |
270 | *nitems = 0; | |
271 | *length_return = 0; | |
272 | return Success; | |
273 | } | |
274 | ||
275 | rc = XIGetDeviceProperty(dev, property, &prop_value); | |
276 | if (rc != Success) { | |
277 | client->errorValue = property; | |
278 | return rc; | |
279 | } | |
280 | ||
281 | /* If the request type and actual type don't match. Return the | |
282 | property information, but not the data. */ | |
283 | ||
284 | if (((type != prop_value->type) && (type != AnyPropertyType))) { | |
285 | *bytes_after = prop_value->size; | |
286 | *format = prop_value->format; | |
287 | *length_return = 0; | |
288 | *nitems = 0; | |
289 | *type_return = prop_value->type; | |
290 | return Success; | |
291 | } | |
292 | ||
293 | /* Return type, format, value to client */ | |
294 | n = (prop_value->format / 8) * prop_value->size; /* size (bytes) of prop */ | |
295 | ind = offset << 2; | |
296 | ||
297 | /* If offset is invalid such that it causes "len" to | |
298 | be negative, it's a value error. */ | |
299 | ||
300 | if (n < ind) { | |
301 | client->errorValue = offset; | |
302 | return BadValue; | |
303 | } | |
304 | ||
305 | len = min(n - ind, 4 * length); | |
306 | ||
307 | *bytes_after = n - (ind + len); | |
308 | *format = prop_value->format; | |
309 | *length_return = len; | |
310 | if (prop_value->format) | |
311 | *nitems = len / (prop_value->format / 8); | |
312 | else | |
313 | *nitems = 0; | |
314 | *type_return = prop_value->type; | |
315 | ||
316 | *data = (char *) prop_value->data + ind; | |
317 | ||
318 | return Success; | |
319 | } | |
320 | ||
321 | static int | |
322 | check_change_property(ClientPtr client, Atom property, Atom type, int format, | |
323 | int mode, int nitems) | |
324 | { | |
325 | if ((mode != PropModeReplace) && (mode != PropModeAppend) && | |
326 | (mode != PropModePrepend)) { | |
327 | client->errorValue = mode; | |
328 | return BadValue; | |
329 | } | |
330 | if ((format != 8) && (format != 16) && (format != 32)) { | |
331 | client->errorValue = format; | |
332 | return BadValue; | |
333 | } | |
334 | ||
335 | if (!ValidAtom(property)) { | |
336 | client->errorValue = property; | |
337 | return BadAtom; | |
338 | } | |
339 | if (!ValidAtom(type)) { | |
340 | client->errorValue = type; | |
341 | return BadAtom; | |
342 | } | |
343 | ||
344 | return Success; | |
345 | } | |
346 | ||
347 | static int | |
348 | change_property(ClientPtr client, DeviceIntPtr dev, Atom property, Atom type, | |
349 | int format, int mode, int len, void *data) | |
350 | { | |
351 | int rc = Success; | |
352 | ||
353 | rc = XIChangeDeviceProperty(dev, property, type, format, mode, len, data, | |
354 | TRUE); | |
355 | if (rc != Success) | |
356 | client->errorValue = property; | |
357 | ||
358 | return rc; | |
359 | } | |
360 | ||
361 | /** | |
362 | * Return the atom assigned to the specified string or 0 if the atom isn't known | |
363 | * to the DIX. | |
364 | * | |
365 | * If name is NULL, None is returned. | |
366 | */ | |
367 | Atom | |
368 | XIGetKnownProperty(const char *name) | |
369 | { | |
370 | int i; | |
371 | ||
372 | if (!name) | |
373 | return None; | |
374 | ||
375 | for (i = 0; i < (sizeof(dev_properties) / sizeof(struct dev_properties)); | |
376 | i++) { | |
377 | if (strcmp(name, dev_properties[i].name) == 0) { | |
378 | if (dev_properties[i].type == None) { | |
379 | dev_properties[i].type = | |
380 | MakeAtom(dev_properties[i].name, | |
381 | strlen(dev_properties[i].name), TRUE); | |
382 | } | |
383 | ||
384 | return dev_properties[i].type; | |
385 | } | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | void | |
392 | XIResetProperties(void) | |
393 | { | |
394 | int i; | |
395 | ||
396 | for (i = 0; i < (sizeof(dev_properties) / sizeof(struct dev_properties)); | |
397 | i++) | |
398 | dev_properties[i].type = None; | |
399 | } | |
400 | ||
401 | /** | |
402 | * Convert the given property's value(s) into @nelem_return integer values and | |
403 | * store them in @buf_return. If @nelem_return is larger than the number of | |
404 | * values in the property, @nelem_return is set to the number of values in the | |
405 | * property. | |
406 | * | |
407 | * If *@buf_return is NULL and @nelem_return is 0, memory is allocated | |
408 | * automatically and must be freed by the caller. | |
409 | * | |
410 | * Possible return codes. | |
411 | * Success ... No error. | |
412 | * BadMatch ... Wrong atom type, atom is not XA_INTEGER | |
413 | * BadAlloc ... NULL passed as buffer and allocation failed. | |
414 | * BadLength ... @buff is NULL but @nelem_return is non-zero. | |
415 | * | |
416 | * @param val The property value | |
417 | * @param nelem_return The maximum number of elements to return. | |
418 | * @param buf_return Pointer to an array of at least @nelem_return values. | |
419 | * @return Success or the error code if an error occured. | |
420 | */ | |
421 | _X_EXPORT int | |
422 | XIPropToInt(XIPropertyValuePtr val, int *nelem_return, int **buf_return) | |
423 | { | |
424 | int i; | |
425 | int *buf; | |
426 | ||
427 | if (val->type != XA_INTEGER) | |
428 | return BadMatch; | |
429 | if (!*buf_return && *nelem_return) | |
430 | return BadLength; | |
431 | ||
432 | switch (val->format) { | |
433 | case 8: | |
434 | case 16: | |
435 | case 32: | |
436 | break; | |
437 | default: | |
438 | return BadValue; | |
439 | } | |
440 | ||
441 | buf = *buf_return; | |
442 | ||
443 | if (!buf && !(*nelem_return)) { | |
444 | buf = calloc(val->size, sizeof(int)); | |
445 | if (!buf) | |
446 | return BadAlloc; | |
447 | *buf_return = buf; | |
448 | *nelem_return = val->size; | |
449 | } | |
450 | else if (val->size < *nelem_return) | |
451 | *nelem_return = val->size; | |
452 | ||
453 | for (i = 0; i < val->size && i < *nelem_return; i++) { | |
454 | switch (val->format) { | |
455 | case 8: | |
456 | buf[i] = ((CARD8 *) val->data)[i]; | |
457 | break; | |
458 | case 16: | |
459 | buf[i] = ((CARD16 *) val->data)[i]; | |
460 | break; | |
461 | case 32: | |
462 | buf[i] = ((CARD32 *) val->data)[i]; | |
463 | break; | |
464 | } | |
465 | } | |
466 | ||
467 | return Success; | |
468 | } | |
469 | ||
470 | /** | |
471 | * Convert the given property's value(s) into @nelem_return float values and | |
472 | * store them in @buf_return. If @nelem_return is larger than the number of | |
473 | * values in the property, @nelem_return is set to the number of values in the | |
474 | * property. | |
475 | * | |
476 | * If *@buf_return is NULL and @nelem_return is 0, memory is allocated | |
477 | * automatically and must be freed by the caller. | |
478 | * | |
479 | * Possible errors returned: | |
480 | * Success | |
481 | * BadMatch ... Wrong atom type, atom is not XA_FLOAT | |
482 | * BadValue ... Wrong format, format is not 32 | |
483 | * BadAlloc ... NULL passed as buffer and allocation failed. | |
484 | * BadLength ... @buff is NULL but @nelem_return is non-zero. | |
485 | * | |
486 | * @param val The property value | |
487 | * @param nelem_return The maximum number of elements to return. | |
488 | * @param buf_return Pointer to an array of at least @nelem_return values. | |
489 | * @return Success or the error code if an error occured. | |
490 | */ | |
491 | _X_EXPORT int | |
492 | XIPropToFloat(XIPropertyValuePtr val, int *nelem_return, float **buf_return) | |
493 | { | |
494 | int i; | |
495 | float *buf; | |
496 | ||
497 | if (!val->type || val->type != XIGetKnownProperty(XATOM_FLOAT)) | |
498 | return BadMatch; | |
499 | ||
500 | if (val->format != 32) | |
501 | return BadValue; | |
502 | if (!*buf_return && *nelem_return) | |
503 | return BadLength; | |
504 | ||
505 | buf = *buf_return; | |
506 | ||
507 | if (!buf && !(*nelem_return)) { | |
508 | buf = calloc(val->size, sizeof(float)); | |
509 | if (!buf) | |
510 | return BadAlloc; | |
511 | *buf_return = buf; | |
512 | *nelem_return = val->size; | |
513 | } | |
514 | else if (val->size < *nelem_return) | |
515 | *nelem_return = val->size; | |
516 | ||
517 | for (i = 0; i < val->size && i < *nelem_return; i++) | |
518 | buf[i] = ((float *) val->data)[i]; | |
519 | ||
520 | return Success; | |
521 | } | |
522 | ||
523 | /* Registers a new property handler on the given device and returns a unique | |
524 | * identifier for this handler. This identifier is required to unregister the | |
525 | * property handler again. | |
526 | * @return The handler's identifier or 0 if an error occured. | |
527 | */ | |
528 | long | |
529 | XIRegisterPropertyHandler(DeviceIntPtr dev, | |
530 | int (*SetProperty) (DeviceIntPtr dev, | |
531 | Atom property, | |
532 | XIPropertyValuePtr prop, | |
533 | BOOL checkonly), | |
534 | int (*GetProperty) (DeviceIntPtr dev, | |
535 | Atom property), | |
536 | int (*DeleteProperty) (DeviceIntPtr dev, | |
537 | Atom property)) | |
538 | { | |
539 | XIPropertyHandlerPtr new_handler; | |
540 | ||
541 | new_handler = calloc(1, sizeof(XIPropertyHandler)); | |
542 | if (!new_handler) | |
543 | return 0; | |
544 | ||
545 | new_handler->id = XIPropHandlerID++; | |
546 | new_handler->SetProperty = SetProperty; | |
547 | new_handler->GetProperty = GetProperty; | |
548 | new_handler->DeleteProperty = DeleteProperty; | |
549 | new_handler->next = dev->properties.handlers; | |
550 | dev->properties.handlers = new_handler; | |
551 | ||
552 | return new_handler->id; | |
553 | } | |
554 | ||
555 | void | |
556 | XIUnregisterPropertyHandler(DeviceIntPtr dev, long id) | |
557 | { | |
558 | XIPropertyHandlerPtr curr, prev = NULL; | |
559 | ||
560 | curr = dev->properties.handlers; | |
561 | while (curr && curr->id != id) { | |
562 | prev = curr; | |
563 | curr = curr->next; | |
564 | } | |
565 | ||
566 | if (!curr) | |
567 | return; | |
568 | ||
569 | if (!prev) /* first one */ | |
570 | dev->properties.handlers = curr->next; | |
571 | else | |
572 | prev->next = curr->next; | |
573 | ||
574 | free(curr); | |
575 | } | |
576 | ||
577 | static XIPropertyPtr | |
578 | XICreateDeviceProperty(Atom property) | |
579 | { | |
580 | XIPropertyPtr prop; | |
581 | ||
582 | prop = (XIPropertyPtr) malloc(sizeof(XIPropertyRec)); | |
583 | if (!prop) | |
584 | return NULL; | |
585 | ||
586 | prop->next = NULL; | |
587 | prop->propertyName = property; | |
588 | prop->value.type = None; | |
589 | prop->value.format = 0; | |
590 | prop->value.size = 0; | |
591 | prop->value.data = NULL; | |
592 | prop->deletable = TRUE; | |
593 | ||
594 | return prop; | |
595 | } | |
596 | ||
597 | static XIPropertyPtr | |
598 | XIFetchDeviceProperty(DeviceIntPtr dev, Atom property) | |
599 | { | |
600 | XIPropertyPtr prop; | |
601 | ||
602 | for (prop = dev->properties.properties; prop; prop = prop->next) | |
603 | if (prop->propertyName == property) | |
604 | return prop; | |
605 | return NULL; | |
606 | } | |
607 | ||
608 | static void | |
609 | XIDestroyDeviceProperty(XIPropertyPtr prop) | |
610 | { | |
611 | free(prop->value.data); | |
612 | free(prop); | |
613 | } | |
614 | ||
615 | /* This function destroys all of the device's property-related stuff, | |
616 | * including removing all device handlers. | |
617 | * DO NOT CALL FROM THE DRIVER. | |
618 | */ | |
619 | void | |
620 | XIDeleteAllDeviceProperties(DeviceIntPtr device) | |
621 | { | |
622 | XIPropertyPtr prop, next; | |
623 | XIPropertyHandlerPtr curr_handler, next_handler; | |
624 | ||
625 | for (prop = device->properties.properties; prop; prop = next) { | |
626 | next = prop->next; | |
627 | send_property_event(device, prop->propertyName, XIPropertyDeleted); | |
628 | XIDestroyDeviceProperty(prop); | |
629 | } | |
630 | ||
631 | device->properties.properties = NULL; | |
632 | ||
633 | /* Now free all handlers */ | |
634 | curr_handler = device->properties.handlers; | |
635 | while (curr_handler) { | |
636 | next_handler = curr_handler->next; | |
637 | free(curr_handler); | |
638 | curr_handler = next_handler; | |
639 | } | |
640 | ||
641 | device->properties.handlers = NULL; | |
642 | } | |
643 | ||
644 | int | |
645 | XIDeleteDeviceProperty(DeviceIntPtr device, Atom property, Bool fromClient) | |
646 | { | |
647 | XIPropertyPtr prop, *prev; | |
648 | int rc = Success; | |
649 | ||
650 | for (prev = &device->properties.properties; (prop = *prev); | |
651 | prev = &(prop->next)) | |
652 | if (prop->propertyName == property) | |
653 | break; | |
654 | ||
655 | if (!prop) | |
656 | return Success; | |
657 | ||
658 | if (fromClient && !prop->deletable) | |
659 | return BadAccess; | |
660 | ||
661 | /* Ask handlers if we may delete the property */ | |
662 | if (device->properties.handlers) { | |
663 | XIPropertyHandlerPtr handler = device->properties.handlers; | |
664 | ||
665 | while (handler) { | |
666 | if (handler->DeleteProperty) | |
667 | rc = handler->DeleteProperty(device, prop->propertyName); | |
668 | if (rc != Success) | |
669 | return rc; | |
670 | handler = handler->next; | |
671 | } | |
672 | } | |
673 | ||
674 | if (prop) { | |
675 | *prev = prop->next; | |
676 | send_property_event(device, prop->propertyName, XIPropertyDeleted); | |
677 | XIDestroyDeviceProperty(prop); | |
678 | } | |
679 | ||
680 | return Success; | |
681 | } | |
682 | ||
683 | int | |
684 | XIChangeDeviceProperty(DeviceIntPtr dev, Atom property, Atom type, | |
685 | int format, int mode, unsigned long len, | |
686 | const void *value, Bool sendevent) | |
687 | { | |
688 | XIPropertyPtr prop; | |
689 | int size_in_bytes; | |
690 | int total_size; | |
691 | unsigned long total_len; | |
692 | XIPropertyValuePtr prop_value; | |
693 | XIPropertyValueRec new_value; | |
694 | Bool add = FALSE; | |
695 | int rc; | |
696 | ||
697 | size_in_bytes = format >> 3; | |
698 | ||
699 | /* first see if property already exists */ | |
700 | prop = XIFetchDeviceProperty(dev, property); | |
701 | if (!prop) { /* just add to list */ | |
702 | prop = XICreateDeviceProperty(property); | |
703 | if (!prop) | |
704 | return BadAlloc; | |
705 | add = TRUE; | |
706 | mode = PropModeReplace; | |
707 | } | |
708 | prop_value = &prop->value; | |
709 | ||
710 | /* To append or prepend to a property the request format and type | |
711 | must match those of the already defined property. The | |
712 | existing format and type are irrelevant when using the mode | |
713 | "PropModeReplace" since they will be written over. */ | |
714 | ||
715 | if ((format != prop_value->format) && (mode != PropModeReplace)) | |
716 | return BadMatch; | |
717 | if ((prop_value->type != type) && (mode != PropModeReplace)) | |
718 | return BadMatch; | |
719 | new_value = *prop_value; | |
720 | if (mode == PropModeReplace) | |
721 | total_len = len; | |
722 | else | |
723 | total_len = prop_value->size + len; | |
724 | ||
725 | if (mode == PropModeReplace || len > 0) { | |
726 | pointer new_data = NULL, old_data = NULL; | |
727 | ||
728 | total_size = total_len * size_in_bytes; | |
729 | new_value.data = (pointer) malloc(total_size); | |
730 | if (!new_value.data && total_size) { | |
731 | if (add) | |
732 | XIDestroyDeviceProperty(prop); | |
733 | return BadAlloc; | |
734 | } | |
735 | new_value.size = len; | |
736 | new_value.type = type; | |
737 | new_value.format = format; | |
738 | ||
739 | switch (mode) { | |
740 | case PropModeReplace: | |
741 | new_data = new_value.data; | |
742 | old_data = NULL; | |
743 | break; | |
744 | case PropModeAppend: | |
745 | new_data = (pointer) (((char *) new_value.data) + | |
746 | (prop_value->size * size_in_bytes)); | |
747 | old_data = new_value.data; | |
748 | break; | |
749 | case PropModePrepend: | |
750 | new_data = new_value.data; | |
751 | old_data = (pointer) (((char *) new_value.data) + | |
752 | (prop_value->size * size_in_bytes)); | |
753 | break; | |
754 | } | |
755 | if (new_data) | |
756 | memcpy((char *) new_data, value, len * size_in_bytes); | |
757 | if (old_data) | |
758 | memcpy((char *) old_data, (char *) prop_value->data, | |
759 | prop_value->size * size_in_bytes); | |
760 | ||
761 | if (dev->properties.handlers) { | |
762 | XIPropertyHandlerPtr handler; | |
763 | BOOL checkonly = TRUE; | |
764 | ||
765 | /* run through all handlers with checkonly TRUE, then again with | |
766 | * checkonly FALSE. Handlers MUST return error codes on the | |
767 | * checkonly run, errors on the second run are ignored */ | |
768 | do { | |
769 | handler = dev->properties.handlers; | |
770 | while (handler) { | |
771 | if (handler->SetProperty) { | |
772 | rc = handler->SetProperty(dev, prop->propertyName, | |
773 | &new_value, checkonly); | |
774 | if (checkonly && rc != Success) { | |
775 | free(new_value.data); | |
776 | if (add) | |
777 | XIDestroyDeviceProperty(prop); | |
778 | return rc; | |
779 | } | |
780 | } | |
781 | handler = handler->next; | |
782 | } | |
783 | checkonly = !checkonly; | |
784 | } while (!checkonly); | |
785 | } | |
786 | free(prop_value->data); | |
787 | *prop_value = new_value; | |
788 | } | |
789 | else if (len == 0) { | |
790 | /* do nothing */ | |
791 | } | |
792 | ||
793 | if (add) { | |
794 | prop->next = dev->properties.properties; | |
795 | dev->properties.properties = prop; | |
796 | } | |
797 | ||
798 | if (sendevent) | |
799 | send_property_event(dev, prop->propertyName, | |
800 | (add) ? XIPropertyCreated : XIPropertyModified); | |
801 | ||
802 | return Success; | |
803 | } | |
804 | ||
805 | int | |
806 | XIGetDeviceProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr *value) | |
807 | { | |
808 | XIPropertyPtr prop = XIFetchDeviceProperty(dev, property); | |
809 | int rc; | |
810 | ||
811 | if (!prop) { | |
812 | *value = NULL; | |
813 | return BadAtom; | |
814 | } | |
815 | ||
816 | /* If we can, try to update the property value first */ | |
817 | if (dev->properties.handlers) { | |
818 | XIPropertyHandlerPtr handler = dev->properties.handlers; | |
819 | ||
820 | while (handler) { | |
821 | if (handler->GetProperty) { | |
822 | rc = handler->GetProperty(dev, prop->propertyName); | |
823 | if (rc != Success) { | |
824 | *value = NULL; | |
825 | return rc; | |
826 | } | |
827 | } | |
828 | handler = handler->next; | |
829 | } | |
830 | } | |
831 | ||
832 | *value = &prop->value; | |
833 | return Success; | |
834 | } | |
835 | ||
836 | int | |
837 | XISetDevicePropertyDeletable(DeviceIntPtr dev, Atom property, Bool deletable) | |
838 | { | |
839 | XIPropertyPtr prop = XIFetchDeviceProperty(dev, property); | |
840 | ||
841 | if (!prop) | |
842 | return BadAtom; | |
843 | ||
844 | prop->deletable = deletable; | |
845 | return Success; | |
846 | } | |
847 | ||
848 | int | |
849 | ProcXListDeviceProperties(ClientPtr client) | |
850 | { | |
851 | Atom *atoms; | |
852 | xListDevicePropertiesReply rep; | |
853 | int natoms; | |
854 | DeviceIntPtr dev; | |
855 | int rc = Success; | |
856 | ||
857 | REQUEST(xListDevicePropertiesReq); | |
858 | REQUEST_SIZE_MATCH(xListDevicePropertiesReq); | |
859 | ||
860 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixListPropAccess); | |
861 | if (rc != Success) | |
862 | return rc; | |
863 | ||
864 | rc = list_atoms(dev, &natoms, &atoms); | |
865 | if (rc != Success) | |
866 | return rc; | |
867 | ||
868 | rep = (xListDevicePropertiesReply) { | |
869 | .repType = X_Reply, | |
870 | .RepType = X_ListDeviceProperties, | |
871 | .sequenceNumber = client->sequence, | |
872 | .length = natoms, | |
873 | .nAtoms = natoms | |
874 | }; | |
875 | ||
876 | WriteReplyToClient(client, sizeof(xListDevicePropertiesReply), &rep); | |
877 | if (natoms) { | |
878 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
879 | WriteSwappedDataToClient(client, natoms * sizeof(Atom), atoms); | |
880 | free(atoms); | |
881 | } | |
882 | return rc; | |
883 | } | |
884 | ||
885 | int | |
886 | ProcXChangeDeviceProperty(ClientPtr client) | |
887 | { | |
888 | REQUEST(xChangeDevicePropertyReq); | |
889 | DeviceIntPtr dev; | |
890 | unsigned long len; | |
891 | int totalSize; | |
892 | int rc; | |
893 | ||
894 | REQUEST_AT_LEAST_SIZE(xChangeDevicePropertyReq); | |
895 | UpdateCurrentTime(); | |
896 | ||
897 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixSetPropAccess); | |
898 | if (rc != Success) | |
899 | return rc; | |
900 | ||
901 | rc = check_change_property(client, stuff->property, stuff->type, | |
902 | stuff->format, stuff->mode, stuff->nUnits); | |
903 | ||
904 | len = stuff->nUnits; | |
905 | if (len > (bytes_to_int32(0xffffffff - sizeof(xChangeDevicePropertyReq)))) | |
906 | return BadLength; | |
907 | ||
908 | totalSize = len * (stuff->format / 8); | |
909 | REQUEST_FIXED_SIZE(xChangeDevicePropertyReq, totalSize); | |
910 | ||
911 | rc = change_property(client, dev, stuff->property, stuff->type, | |
912 | stuff->format, stuff->mode, len, (void *) &stuff[1]); | |
913 | return rc; | |
914 | } | |
915 | ||
916 | int | |
917 | ProcXDeleteDeviceProperty(ClientPtr client) | |
918 | { | |
919 | REQUEST(xDeleteDevicePropertyReq); | |
920 | DeviceIntPtr dev; | |
921 | int rc; | |
922 | ||
923 | REQUEST_SIZE_MATCH(xDeleteDevicePropertyReq); | |
924 | UpdateCurrentTime(); | |
925 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixSetPropAccess); | |
926 | if (rc != Success) | |
927 | return rc; | |
928 | ||
929 | if (!ValidAtom(stuff->property)) { | |
930 | client->errorValue = stuff->property; | |
931 | return BadAtom; | |
932 | } | |
933 | ||
934 | rc = XIDeleteDeviceProperty(dev, stuff->property, TRUE); | |
935 | return rc; | |
936 | } | |
937 | ||
938 | int | |
939 | ProcXGetDeviceProperty(ClientPtr client) | |
940 | { | |
941 | REQUEST(xGetDevicePropertyReq); | |
942 | DeviceIntPtr dev; | |
943 | int length; | |
944 | int rc, format, nitems, bytes_after; | |
945 | char *data; | |
946 | Atom type; | |
947 | xGetDevicePropertyReply reply; | |
948 | ||
949 | REQUEST_SIZE_MATCH(xGetDevicePropertyReq); | |
950 | if (stuff->delete) | |
951 | UpdateCurrentTime(); | |
952 | rc = dixLookupDevice(&dev, stuff->deviceid, client, | |
953 | stuff->delete ? DixSetPropAccess : DixGetPropAccess); | |
954 | if (rc != Success) | |
955 | return rc; | |
956 | ||
957 | rc = get_property(client, dev, stuff->property, stuff->type, | |
958 | stuff->delete, stuff->longOffset, stuff->longLength, | |
959 | &bytes_after, &type, &format, &nitems, &length, &data); | |
960 | ||
961 | if (rc != Success) | |
962 | return rc; | |
963 | ||
964 | reply = (xGetDevicePropertyReply) { | |
965 | .repType = X_Reply, | |
966 | .RepType = X_GetDeviceProperty, | |
967 | .sequenceNumber = client->sequence, | |
968 | .length = bytes_to_int32(length), | |
969 | .propertyType = type, | |
970 | .bytesAfter = bytes_after, | |
971 | .nItems = nitems, | |
972 | .format = format, | |
973 | .deviceid = dev->id | |
974 | }; | |
975 | ||
976 | if (stuff->delete && (reply.bytesAfter == 0)) | |
977 | send_property_event(dev, stuff->property, XIPropertyDeleted); | |
978 | ||
979 | WriteReplyToClient(client, sizeof(xGenericReply), &reply); | |
980 | ||
981 | if (length) { | |
982 | switch (reply.format) { | |
983 | case 32: | |
984 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; | |
985 | break; | |
986 | case 16: | |
987 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap16Write; | |
988 | break; | |
989 | default: | |
990 | client->pSwapReplyFunc = (ReplySwapPtr) WriteToClient; | |
991 | break; | |
992 | } | |
993 | WriteSwappedDataToClient(client, length, data); | |
994 | } | |
995 | ||
996 | /* delete the Property */ | |
997 | if (stuff->delete && (reply.bytesAfter == 0)) { | |
998 | XIPropertyPtr prop, *prev; | |
999 | ||
1000 | for (prev = &dev->properties.properties; (prop = *prev); | |
1001 | prev = &prop->next) { | |
1002 | if (prop->propertyName == stuff->property) { | |
1003 | *prev = prop->next; | |
1004 | XIDestroyDeviceProperty(prop); | |
1005 | break; | |
1006 | } | |
1007 | } | |
1008 | } | |
1009 | return Success; | |
1010 | } | |
1011 | ||
1012 | int | |
1013 | SProcXListDeviceProperties(ClientPtr client) | |
1014 | { | |
1015 | REQUEST(xListDevicePropertiesReq); | |
1016 | ||
1017 | swaps(&stuff->length); | |
1018 | ||
1019 | REQUEST_SIZE_MATCH(xListDevicePropertiesReq); | |
1020 | return (ProcXListDeviceProperties(client)); | |
1021 | } | |
1022 | ||
1023 | int | |
1024 | SProcXChangeDeviceProperty(ClientPtr client) | |
1025 | { | |
1026 | REQUEST(xChangeDevicePropertyReq); | |
1027 | ||
1028 | REQUEST_AT_LEAST_SIZE(xChangeDevicePropertyReq); | |
1029 | swaps(&stuff->length); | |
1030 | swapl(&stuff->property); | |
1031 | swapl(&stuff->type); | |
1032 | swapl(&stuff->nUnits); | |
1033 | return (ProcXChangeDeviceProperty(client)); | |
1034 | } | |
1035 | ||
1036 | int | |
1037 | SProcXDeleteDeviceProperty(ClientPtr client) | |
1038 | { | |
1039 | REQUEST(xDeleteDevicePropertyReq); | |
1040 | ||
1041 | swaps(&stuff->length); | |
1042 | swapl(&stuff->property); | |
1043 | REQUEST_SIZE_MATCH(xDeleteDevicePropertyReq); | |
1044 | return (ProcXDeleteDeviceProperty(client)); | |
1045 | } | |
1046 | ||
1047 | int | |
1048 | SProcXGetDeviceProperty(ClientPtr client) | |
1049 | { | |
1050 | REQUEST(xGetDevicePropertyReq); | |
1051 | ||
1052 | swaps(&stuff->length); | |
1053 | swapl(&stuff->property); | |
1054 | swapl(&stuff->type); | |
1055 | swapl(&stuff->longOffset); | |
1056 | swapl(&stuff->longLength); | |
1057 | REQUEST_SIZE_MATCH(xGetDevicePropertyReq); | |
1058 | return (ProcXGetDeviceProperty(client)); | |
1059 | } | |
1060 | ||
1061 | /* Reply swapping */ | |
1062 | ||
1063 | void | |
1064 | SRepXListDeviceProperties(ClientPtr client, int size, | |
1065 | xListDevicePropertiesReply * rep) | |
1066 | { | |
1067 | swaps(&rep->sequenceNumber); | |
1068 | swapl(&rep->length); | |
1069 | swaps(&rep->nAtoms); | |
1070 | /* properties will be swapped later, see ProcXListDeviceProperties */ | |
1071 | WriteToClient(client, size, rep); | |
1072 | } | |
1073 | ||
1074 | void | |
1075 | SRepXGetDeviceProperty(ClientPtr client, int size, | |
1076 | xGetDevicePropertyReply * rep) | |
1077 | { | |
1078 | swaps(&rep->sequenceNumber); | |
1079 | swapl(&rep->length); | |
1080 | swapl(&rep->propertyType); | |
1081 | swapl(&rep->bytesAfter); | |
1082 | swapl(&rep->nItems); | |
1083 | /* data will be swapped, see ProcXGetDeviceProperty */ | |
1084 | WriteToClient(client, size, rep); | |
1085 | } | |
1086 | ||
1087 | /* XI2 Request/reply handling */ | |
1088 | int | |
1089 | ProcXIListProperties(ClientPtr client) | |
1090 | { | |
1091 | Atom *atoms; | |
1092 | xXIListPropertiesReply rep; | |
1093 | int natoms; | |
1094 | DeviceIntPtr dev; | |
1095 | int rc = Success; | |
1096 | ||
1097 | REQUEST(xXIListPropertiesReq); | |
1098 | REQUEST_SIZE_MATCH(xXIListPropertiesReq); | |
1099 | ||
1100 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixListPropAccess); | |
1101 | if (rc != Success) | |
1102 | return rc; | |
1103 | ||
1104 | rc = list_atoms(dev, &natoms, &atoms); | |
1105 | if (rc != Success) | |
1106 | return rc; | |
1107 | ||
1108 | rep = (xXIListPropertiesReply) { | |
1109 | .repType = X_Reply, | |
1110 | .RepType = X_XIListProperties, | |
1111 | .sequenceNumber = client->sequence, | |
1112 | .length = natoms, | |
1113 | .num_properties = natoms | |
1114 | }; | |
1115 | ||
1116 | WriteReplyToClient(client, sizeof(xXIListPropertiesReply), &rep); | |
1117 | if (natoms) { | |
1118 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; | |
1119 | WriteSwappedDataToClient(client, natoms * sizeof(Atom), atoms); | |
1120 | free(atoms); | |
1121 | } | |
1122 | return rc; | |
1123 | } | |
1124 | ||
1125 | int | |
1126 | ProcXIChangeProperty(ClientPtr client) | |
1127 | { | |
1128 | int rc; | |
1129 | DeviceIntPtr dev; | |
1130 | int totalSize; | |
1131 | unsigned long len; | |
1132 | ||
1133 | REQUEST(xXIChangePropertyReq); | |
1134 | REQUEST_AT_LEAST_SIZE(xXIChangePropertyReq); | |
1135 | UpdateCurrentTime(); | |
1136 | ||
1137 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixSetPropAccess); | |
1138 | if (rc != Success) | |
1139 | return rc; | |
1140 | ||
1141 | rc = check_change_property(client, stuff->property, stuff->type, | |
1142 | stuff->format, stuff->mode, stuff->num_items); | |
1143 | len = stuff->num_items; | |
1144 | if (len > bytes_to_int32(0xffffffff - sizeof(xXIChangePropertyReq))) | |
1145 | return BadLength; | |
1146 | ||
1147 | totalSize = len * (stuff->format / 8); | |
1148 | REQUEST_FIXED_SIZE(xXIChangePropertyReq, totalSize); | |
1149 | ||
1150 | rc = change_property(client, dev, stuff->property, stuff->type, | |
1151 | stuff->format, stuff->mode, len, (void *) &stuff[1]); | |
1152 | return rc; | |
1153 | } | |
1154 | ||
1155 | int | |
1156 | ProcXIDeleteProperty(ClientPtr client) | |
1157 | { | |
1158 | DeviceIntPtr dev; | |
1159 | int rc; | |
1160 | ||
1161 | REQUEST(xXIDeletePropertyReq); | |
1162 | ||
1163 | REQUEST_SIZE_MATCH(xXIDeletePropertyReq); | |
1164 | UpdateCurrentTime(); | |
1165 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixSetPropAccess); | |
1166 | if (rc != Success) | |
1167 | return rc; | |
1168 | ||
1169 | if (!ValidAtom(stuff->property)) { | |
1170 | client->errorValue = stuff->property; | |
1171 | return BadAtom; | |
1172 | } | |
1173 | ||
1174 | rc = XIDeleteDeviceProperty(dev, stuff->property, TRUE); | |
1175 | return rc; | |
1176 | } | |
1177 | ||
1178 | int | |
1179 | ProcXIGetProperty(ClientPtr client) | |
1180 | { | |
1181 | REQUEST(xXIGetPropertyReq); | |
1182 | DeviceIntPtr dev; | |
1183 | xXIGetPropertyReply reply; | |
1184 | int length; | |
1185 | int rc, format, nitems, bytes_after; | |
1186 | char *data; | |
1187 | Atom type; | |
1188 | ||
1189 | REQUEST_SIZE_MATCH(xXIGetPropertyReq); | |
1190 | if (stuff->delete) | |
1191 | UpdateCurrentTime(); | |
1192 | rc = dixLookupDevice(&dev, stuff->deviceid, client, | |
1193 | stuff->delete ? DixSetPropAccess : DixGetPropAccess); | |
1194 | if (rc != Success) | |
1195 | return rc; | |
1196 | ||
1197 | rc = get_property(client, dev, stuff->property, stuff->type, | |
1198 | stuff->delete, stuff->offset, stuff->len, | |
1199 | &bytes_after, &type, &format, &nitems, &length, &data); | |
1200 | ||
1201 | if (rc != Success) | |
1202 | return rc; | |
1203 | ||
1204 | reply = (xXIGetPropertyReply) { | |
1205 | .repType = X_Reply, | |
1206 | .RepType = X_XIGetProperty, | |
1207 | .sequenceNumber = client->sequence, | |
1208 | .length = bytes_to_int32(length), | |
1209 | .type = type, | |
1210 | .bytes_after = bytes_after, | |
1211 | .num_items = nitems, | |
1212 | .format = format | |
1213 | }; | |
1214 | ||
1215 | if (length && stuff->delete && (reply.bytes_after == 0)) | |
1216 | send_property_event(dev, stuff->property, XIPropertyDeleted); | |
1217 | ||
1218 | WriteReplyToClient(client, sizeof(xXIGetPropertyReply), &reply); | |
1219 | ||
1220 | if (length) { | |
1221 | switch (reply.format) { | |
1222 | case 32: | |
1223 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; | |
1224 | break; | |
1225 | case 16: | |
1226 | client->pSwapReplyFunc = (ReplySwapPtr) CopySwap16Write; | |
1227 | break; | |
1228 | default: | |
1229 | client->pSwapReplyFunc = (ReplySwapPtr) WriteToClient; | |
1230 | break; | |
1231 | } | |
1232 | WriteSwappedDataToClient(client, length, data); | |
1233 | } | |
1234 | ||
1235 | /* delete the Property */ | |
1236 | if (stuff->delete && (reply.bytes_after == 0)) { | |
1237 | XIPropertyPtr prop, *prev; | |
1238 | ||
1239 | for (prev = &dev->properties.properties; (prop = *prev); | |
1240 | prev = &prop->next) { | |
1241 | if (prop->propertyName == stuff->property) { | |
1242 | *prev = prop->next; | |
1243 | XIDestroyDeviceProperty(prop); | |
1244 | break; | |
1245 | } | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | return Success; | |
1250 | } | |
1251 | ||
1252 | int | |
1253 | SProcXIListProperties(ClientPtr client) | |
1254 | { | |
1255 | REQUEST(xXIListPropertiesReq); | |
1256 | ||
1257 | swaps(&stuff->length); | |
1258 | swaps(&stuff->deviceid); | |
1259 | ||
1260 | REQUEST_SIZE_MATCH(xXIListPropertiesReq); | |
1261 | return (ProcXIListProperties(client)); | |
1262 | } | |
1263 | ||
1264 | int | |
1265 | SProcXIChangeProperty(ClientPtr client) | |
1266 | { | |
1267 | REQUEST(xXIChangePropertyReq); | |
1268 | ||
1269 | REQUEST_AT_LEAST_SIZE(xXIChangePropertyReq); | |
1270 | swaps(&stuff->length); | |
1271 | swaps(&stuff->deviceid); | |
1272 | swapl(&stuff->property); | |
1273 | swapl(&stuff->type); | |
1274 | swapl(&stuff->num_items); | |
1275 | return (ProcXIChangeProperty(client)); | |
1276 | } | |
1277 | ||
1278 | int | |
1279 | SProcXIDeleteProperty(ClientPtr client) | |
1280 | { | |
1281 | REQUEST(xXIDeletePropertyReq); | |
1282 | ||
1283 | swaps(&stuff->length); | |
1284 | swaps(&stuff->deviceid); | |
1285 | swapl(&stuff->property); | |
1286 | REQUEST_SIZE_MATCH(xXIDeletePropertyReq); | |
1287 | return (ProcXIDeleteProperty(client)); | |
1288 | } | |
1289 | ||
1290 | int | |
1291 | SProcXIGetProperty(ClientPtr client) | |
1292 | { | |
1293 | REQUEST(xXIGetPropertyReq); | |
1294 | ||
1295 | swaps(&stuff->length); | |
1296 | swaps(&stuff->deviceid); | |
1297 | swapl(&stuff->property); | |
1298 | swapl(&stuff->type); | |
1299 | swapl(&stuff->offset); | |
1300 | swapl(&stuff->len); | |
1301 | REQUEST_SIZE_MATCH(xXIGetPropertyReq); | |
1302 | return (ProcXIGetProperty(client)); | |
1303 | } | |
1304 | ||
1305 | void | |
1306 | SRepXIListProperties(ClientPtr client, int size, xXIListPropertiesReply * rep) | |
1307 | { | |
1308 | swaps(&rep->sequenceNumber); | |
1309 | swapl(&rep->length); | |
1310 | swaps(&rep->num_properties); | |
1311 | /* properties will be swapped later, see ProcXIListProperties */ | |
1312 | WriteToClient(client, size, rep); | |
1313 | } | |
1314 | ||
1315 | void | |
1316 | SRepXIGetProperty(ClientPtr client, int size, xXIGetPropertyReply * rep) | |
1317 | { | |
1318 | swaps(&rep->sequenceNumber); | |
1319 | swapl(&rep->length); | |
1320 | swapl(&rep->type); | |
1321 | swapl(&rep->bytes_after); | |
1322 | swapl(&rep->num_items); | |
1323 | /* data will be swapped, see ProcXIGetProperty */ | |
1324 | WriteToClient(client, size, rep); | |
1325 | } |