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a09e091a JB |
1 | /* |
2 | * Copyright © 2009 Red Hat, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Author: Peter Hutterer | |
24 | */ | |
25 | ||
26 | /*********************************************************************** | |
27 | * | |
28 | * Request to grab or ungrab input device. | |
29 | * | |
30 | */ | |
31 | ||
32 | #ifdef HAVE_DIX_CONFIG_H | |
33 | #include <dix-config.h> | |
34 | #endif | |
35 | ||
36 | #include "inputstr.h" /* DeviceIntPtr */ | |
37 | #include "windowstr.h" /* window structure */ | |
38 | #include <X11/extensions/XI2.h> | |
39 | #include <X11/extensions/XI2proto.h> | |
40 | #include "swaprep.h" | |
41 | ||
42 | #include "exglobals.h" /* BadDevice */ | |
43 | #include "exevents.h" | |
44 | #include "xipassivegrab.h" | |
45 | #include "dixgrabs.h" | |
46 | #include "misc.h" | |
47 | #include "inpututils.h" | |
48 | ||
49 | int | |
50 | SProcXIPassiveGrabDevice(ClientPtr client) | |
51 | { | |
52 | int i; | |
53 | uint32_t *mods; | |
54 | ||
55 | REQUEST(xXIPassiveGrabDeviceReq); | |
56 | ||
57 | swaps(&stuff->length); | |
58 | swaps(&stuff->deviceid); | |
59 | swapl(&stuff->grab_window); | |
60 | swapl(&stuff->cursor); | |
61 | swapl(&stuff->time); | |
62 | swapl(&stuff->detail); | |
63 | swaps(&stuff->mask_len); | |
64 | swaps(&stuff->num_modifiers); | |
65 | ||
66 | mods = (uint32_t *) &stuff[1] + stuff->mask_len; | |
67 | ||
68 | for (i = 0; i < stuff->num_modifiers; i++, mods++) { | |
69 | swapl(mods); | |
70 | } | |
71 | ||
72 | return ProcXIPassiveGrabDevice(client); | |
73 | } | |
74 | ||
75 | int | |
76 | ProcXIPassiveGrabDevice(ClientPtr client) | |
77 | { | |
78 | DeviceIntPtr dev, mod_dev; | |
79 | xXIPassiveGrabDeviceReply rep = { | |
80 | .repType = X_Reply, | |
81 | .RepType = X_XIPassiveGrabDevice, | |
82 | .sequenceNumber = client->sequence, | |
83 | .length = 0, | |
84 | .num_modifiers = 0 | |
85 | }; | |
86 | int i, ret = Success; | |
87 | uint32_t *modifiers; | |
88 | xXIGrabModifierInfo *modifiers_failed; | |
89 | GrabMask mask = { 0 }; | |
90 | GrabParameters param; | |
91 | void *tmp; | |
92 | int mask_len; | |
93 | ||
94 | REQUEST(xXIPassiveGrabDeviceReq); | |
95 | REQUEST_AT_LEAST_SIZE(xXIPassiveGrabDeviceReq); | |
96 | ||
97 | if (stuff->deviceid == XIAllDevices) | |
98 | dev = inputInfo.all_devices; | |
99 | else if (stuff->deviceid == XIAllMasterDevices) | |
100 | dev = inputInfo.all_master_devices; | |
101 | else { | |
102 | ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess); | |
103 | if (ret != Success) { | |
104 | client->errorValue = stuff->deviceid; | |
105 | return ret; | |
106 | } | |
107 | } | |
108 | ||
109 | if (stuff->grab_type != XIGrabtypeButton && | |
110 | stuff->grab_type != XIGrabtypeKeycode && | |
111 | stuff->grab_type != XIGrabtypeEnter && | |
112 | stuff->grab_type != XIGrabtypeFocusIn && | |
113 | stuff->grab_type != XIGrabtypeTouchBegin) { | |
114 | client->errorValue = stuff->grab_type; | |
115 | return BadValue; | |
116 | } | |
117 | ||
118 | if ((stuff->grab_type == XIGrabtypeEnter || | |
119 | stuff->grab_type == XIGrabtypeFocusIn || | |
120 | stuff->grab_type == XIGrabtypeTouchBegin) && stuff->detail != 0) { | |
121 | client->errorValue = stuff->detail; | |
122 | return BadValue; | |
123 | } | |
124 | ||
125 | if (stuff->grab_type == XIGrabtypeTouchBegin && | |
126 | (stuff->grab_mode != XIGrabModeTouch || | |
127 | stuff->paired_device_mode != GrabModeAsync)) { | |
128 | client->errorValue = stuff->grab_mode; | |
129 | return BadValue; | |
130 | } | |
131 | ||
132 | if (XICheckInvalidMaskBits(client, (unsigned char *) &stuff[1], | |
133 | stuff->mask_len * 4) != Success) | |
134 | return BadValue; | |
135 | ||
136 | mask.xi2mask = xi2mask_new(); | |
137 | if (!mask.xi2mask) | |
138 | return BadAlloc; | |
139 | ||
140 | mask_len = min(xi2mask_mask_size(mask.xi2mask), stuff->mask_len * 4); | |
141 | xi2mask_set_one_mask(mask.xi2mask, stuff->deviceid, | |
142 | (unsigned char *) &stuff[1], mask_len * 4); | |
143 | ||
144 | memset(¶m, 0, sizeof(param)); | |
145 | param.grabtype = XI2; | |
146 | param.ownerEvents = stuff->owner_events; | |
147 | param.grabWindow = stuff->grab_window; | |
148 | param.cursor = stuff->cursor; | |
149 | ||
150 | if (IsKeyboardDevice(dev)) { | |
151 | param.this_device_mode = stuff->grab_mode; | |
152 | param.other_devices_mode = stuff->paired_device_mode; | |
153 | } | |
154 | else { | |
155 | param.this_device_mode = stuff->paired_device_mode; | |
156 | param.other_devices_mode = stuff->grab_mode; | |
157 | } | |
158 | ||
159 | if (stuff->cursor != None) { | |
160 | ret = dixLookupResourceByType(&tmp, stuff->cursor, | |
161 | RT_CURSOR, client, DixUseAccess); | |
162 | if (ret != Success) { | |
163 | client->errorValue = stuff->cursor; | |
164 | goto out; | |
165 | } | |
166 | } | |
167 | ||
168 | ret = | |
169 | dixLookupWindow((WindowPtr *) &tmp, stuff->grab_window, client, | |
170 | DixSetAttrAccess); | |
171 | if (ret != Success) | |
172 | goto out; | |
173 | ||
174 | ret = CheckGrabValues(client, ¶m); | |
175 | if (ret != Success) | |
176 | goto out; | |
177 | ||
178 | modifiers = (uint32_t *) &stuff[1] + stuff->mask_len; | |
179 | modifiers_failed = | |
180 | calloc(stuff->num_modifiers, sizeof(xXIGrabModifierInfo)); | |
181 | if (!modifiers_failed) { | |
182 | ret = BadAlloc; | |
183 | goto out; | |
184 | } | |
185 | ||
186 | mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD); | |
187 | ||
188 | for (i = 0; i < stuff->num_modifiers; i++, modifiers++) { | |
189 | uint8_t status = Success; | |
190 | ||
191 | param.modifiers = *modifiers; | |
192 | ret = CheckGrabValues(client, ¶m); | |
193 | if (ret != Success) | |
194 | goto out; | |
195 | ||
196 | switch (stuff->grab_type) { | |
197 | case XIGrabtypeButton: | |
198 | status = GrabButton(client, dev, mod_dev, stuff->detail, | |
199 | ¶m, XI2, &mask); | |
200 | break; | |
201 | case XIGrabtypeKeycode: | |
202 | status = GrabKey(client, dev, mod_dev, stuff->detail, | |
203 | ¶m, XI2, &mask); | |
204 | break; | |
205 | case XIGrabtypeEnter: | |
206 | case XIGrabtypeFocusIn: | |
207 | status = GrabWindow(client, dev, stuff->grab_type, ¶m, &mask); | |
208 | break; | |
209 | case XIGrabtypeTouchBegin: | |
210 | status = GrabTouch(client, dev, mod_dev, ¶m, &mask); | |
211 | break; | |
212 | } | |
213 | ||
214 | if (status != GrabSuccess) { | |
215 | xXIGrabModifierInfo *info = modifiers_failed + rep.num_modifiers; | |
216 | ||
217 | info->status = status; | |
218 | info->modifiers = *modifiers; | |
219 | if (client->swapped) | |
220 | swapl(&info->modifiers); | |
221 | ||
222 | rep.num_modifiers++; | |
223 | rep.length += bytes_to_int32(sizeof(xXIGrabModifierInfo)); | |
224 | } | |
225 | } | |
226 | ||
227 | WriteReplyToClient(client, sizeof(rep), &rep); | |
228 | if (rep.num_modifiers) | |
229 | WriteToClient(client, rep.length * 4, modifiers_failed); | |
230 | ||
231 | free(modifiers_failed); | |
232 | out: | |
233 | xi2mask_free(&mask.xi2mask); | |
234 | return ret; | |
235 | } | |
236 | ||
237 | void | |
238 | SRepXIPassiveGrabDevice(ClientPtr client, int size, | |
239 | xXIPassiveGrabDeviceReply * rep) | |
240 | { | |
241 | swaps(&rep->sequenceNumber); | |
242 | swapl(&rep->length); | |
243 | swaps(&rep->num_modifiers); | |
244 | ||
245 | WriteToClient(client, size, rep); | |
246 | } | |
247 | ||
248 | int | |
249 | SProcXIPassiveUngrabDevice(ClientPtr client) | |
250 | { | |
251 | int i; | |
252 | uint32_t *modifiers; | |
253 | ||
254 | REQUEST(xXIPassiveUngrabDeviceReq); | |
255 | ||
256 | swaps(&stuff->length); | |
257 | swapl(&stuff->grab_window); | |
258 | swaps(&stuff->deviceid); | |
259 | swapl(&stuff->detail); | |
260 | swaps(&stuff->num_modifiers); | |
261 | ||
262 | modifiers = (uint32_t *) &stuff[1]; | |
263 | ||
264 | for (i = 0; i < stuff->num_modifiers; i++, modifiers++) | |
265 | swapl(modifiers); | |
266 | ||
267 | return ProcXIPassiveUngrabDevice(client); | |
268 | } | |
269 | ||
270 | int | |
271 | ProcXIPassiveUngrabDevice(ClientPtr client) | |
272 | { | |
273 | DeviceIntPtr dev, mod_dev; | |
274 | WindowPtr win; | |
275 | GrabPtr tempGrab; | |
276 | uint32_t *modifiers; | |
277 | int i, rc; | |
278 | ||
279 | REQUEST(xXIPassiveUngrabDeviceReq); | |
280 | REQUEST_AT_LEAST_SIZE(xXIPassiveUngrabDeviceReq); | |
281 | ||
282 | if (stuff->deviceid == XIAllDevices) | |
283 | dev = inputInfo.all_devices; | |
284 | else if (stuff->deviceid == XIAllMasterDevices) | |
285 | dev = inputInfo.all_master_devices; | |
286 | else { | |
287 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess); | |
288 | if (rc != Success) | |
289 | return rc; | |
290 | } | |
291 | ||
292 | if (stuff->grab_type != XIGrabtypeButton && | |
293 | stuff->grab_type != XIGrabtypeKeycode && | |
294 | stuff->grab_type != XIGrabtypeEnter && | |
295 | stuff->grab_type != XIGrabtypeFocusIn && | |
296 | stuff->grab_type != XIGrabtypeTouchBegin) { | |
297 | client->errorValue = stuff->grab_type; | |
298 | return BadValue; | |
299 | } | |
300 | ||
301 | if ((stuff->grab_type == XIGrabtypeEnter || | |
302 | stuff->grab_type == XIGrabtypeFocusIn || | |
303 | stuff->grab_type == XIGrabtypeTouchBegin) && stuff->detail != 0) { | |
304 | client->errorValue = stuff->detail; | |
305 | return BadValue; | |
306 | } | |
307 | ||
308 | rc = dixLookupWindow(&win, stuff->grab_window, client, DixSetAttrAccess); | |
309 | if (rc != Success) | |
310 | return rc; | |
311 | ||
312 | mod_dev = (IsFloating(dev)) ? dev : GetMaster(dev, MASTER_KEYBOARD); | |
313 | ||
314 | tempGrab = AllocGrab(NULL); | |
315 | if (!tempGrab) | |
316 | return BadAlloc; | |
317 | ||
318 | tempGrab->resource = client->clientAsMask; | |
319 | tempGrab->device = dev; | |
320 | tempGrab->window = win; | |
321 | switch (stuff->grab_type) { | |
322 | case XIGrabtypeButton: | |
323 | tempGrab->type = XI_ButtonPress; | |
324 | break; | |
325 | case XIGrabtypeKeycode: | |
326 | tempGrab->type = XI_KeyPress; | |
327 | break; | |
328 | case XIGrabtypeEnter: | |
329 | tempGrab->type = XI_Enter; | |
330 | break; | |
331 | case XIGrabtypeFocusIn: | |
332 | tempGrab->type = XI_FocusIn; | |
333 | break; | |
334 | case XIGrabtypeTouchBegin: | |
335 | tempGrab->type = XI_TouchBegin; | |
336 | break; | |
337 | } | |
338 | tempGrab->grabtype = XI2; | |
339 | tempGrab->modifierDevice = mod_dev; | |
340 | tempGrab->modifiersDetail.pMask = NULL; | |
341 | tempGrab->detail.exact = stuff->detail; | |
342 | tempGrab->detail.pMask = NULL; | |
343 | ||
344 | modifiers = (uint32_t *) &stuff[1]; | |
345 | ||
346 | for (i = 0; i < stuff->num_modifiers; i++, modifiers++) { | |
347 | tempGrab->modifiersDetail.exact = *modifiers; | |
348 | DeletePassiveGrabFromList(tempGrab); | |
349 | } | |
350 | ||
351 | FreeGrab(tempGrab); | |
352 | ||
353 | return Success; | |
354 | } |