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a09e091a JB |
1 | /************************************************************ |
2 | ||
3 | Copyright 1989, 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 1989 by Hewlett-Packard Company, Palo Alto, California. | |
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 Hewlett-Packard not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | HEWLETT-PACKARD 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 | /******************************************************************** | |
48 | * | |
49 | * Get Device control attributes for an extension device. | |
50 | * | |
51 | */ | |
52 | ||
53 | #ifdef HAVE_DIX_CONFIG_H | |
54 | #include <dix-config.h> | |
55 | #endif | |
56 | ||
57 | #include "inputstr.h" /* DeviceIntPtr */ | |
58 | #include <X11/extensions/XI.h> | |
59 | #include <X11/extensions/XIproto.h> | |
60 | #include "exglobals.h" | |
61 | ||
62 | #include "getdctl.h" | |
63 | ||
64 | /*********************************************************************** | |
65 | * | |
66 | * This procedure gets the control attributes for an extension device, | |
67 | * for clients on machines with a different byte ordering than the server. | |
68 | * | |
69 | */ | |
70 | ||
71 | int | |
72 | SProcXGetDeviceControl(ClientPtr client) | |
73 | { | |
74 | REQUEST(xGetDeviceControlReq); | |
75 | swaps(&stuff->length); | |
76 | REQUEST_SIZE_MATCH(xGetDeviceControlReq); | |
77 | swaps(&stuff->control); | |
78 | return (ProcXGetDeviceControl(client)); | |
79 | } | |
80 | ||
81 | /*********************************************************************** | |
82 | * | |
83 | * This procedure copies DeviceResolution data, swapping if necessary. | |
84 | * | |
85 | */ | |
86 | ||
87 | static void | |
88 | CopySwapDeviceResolution(ClientPtr client, ValuatorClassPtr v, char *buf, | |
89 | int length) | |
90 | { | |
91 | AxisInfoPtr a; | |
92 | xDeviceResolutionState *r; | |
93 | int i, *iptr; | |
94 | ||
95 | r = (xDeviceResolutionState *) buf; | |
96 | r->control = DEVICE_RESOLUTION; | |
97 | r->length = length; | |
98 | r->num_valuators = v->numAxes; | |
99 | buf += sizeof(xDeviceResolutionState); | |
100 | iptr = (int *) buf; | |
101 | for (i = 0, a = v->axes; i < v->numAxes; i++, a++) | |
102 | *iptr++ = a->resolution; | |
103 | for (i = 0, a = v->axes; i < v->numAxes; i++, a++) | |
104 | *iptr++ = a->min_resolution; | |
105 | for (i = 0, a = v->axes; i < v->numAxes; i++, a++) | |
106 | *iptr++ = a->max_resolution; | |
107 | if (client->swapped) { | |
108 | swaps(&r->control); | |
109 | swaps(&r->length); | |
110 | swapl(&r->num_valuators); | |
111 | iptr = (int *) buf; | |
112 | for (i = 0; i < (3 * v->numAxes); i++, iptr++) { | |
113 | swapl(iptr); | |
114 | } | |
115 | } | |
116 | } | |
117 | ||
118 | static void | |
119 | CopySwapDeviceCore(ClientPtr client, DeviceIntPtr dev, char *buf) | |
120 | { | |
121 | xDeviceCoreState *c = (xDeviceCoreState *) buf; | |
122 | ||
123 | c->control = DEVICE_CORE; | |
124 | c->length = sizeof(xDeviceCoreState); | |
125 | c->status = dev->coreEvents; | |
126 | c->iscore = (dev == inputInfo.keyboard || dev == inputInfo.pointer); | |
127 | ||
128 | if (client->swapped) { | |
129 | swaps(&c->control); | |
130 | swaps(&c->length); | |
131 | } | |
132 | } | |
133 | ||
134 | static void | |
135 | CopySwapDeviceEnable(ClientPtr client, DeviceIntPtr dev, char *buf) | |
136 | { | |
137 | xDeviceEnableState *e = (xDeviceEnableState *) buf; | |
138 | ||
139 | e->control = DEVICE_ENABLE; | |
140 | e->length = sizeof(xDeviceEnableState); | |
141 | e->enable = dev->enabled; | |
142 | ||
143 | if (client->swapped) { | |
144 | swaps(&e->control); | |
145 | swaps(&e->length); | |
146 | } | |
147 | } | |
148 | ||
149 | /*********************************************************************** | |
150 | * | |
151 | * This procedure writes the reply for the xGetDeviceControl function, | |
152 | * if the client and server have a different byte ordering. | |
153 | * | |
154 | */ | |
155 | ||
156 | void | |
157 | SRepXGetDeviceControl(ClientPtr client, int size, xGetDeviceControlReply * rep) | |
158 | { | |
159 | swaps(&rep->sequenceNumber); | |
160 | swapl(&rep->length); | |
161 | WriteToClient(client, size, rep); | |
162 | } | |
163 | ||
164 | /*********************************************************************** | |
165 | * | |
166 | * Get the state of the specified device control. | |
167 | * | |
168 | */ | |
169 | ||
170 | int | |
171 | ProcXGetDeviceControl(ClientPtr client) | |
172 | { | |
173 | int rc, total_length = 0; | |
174 | char *buf, *savbuf; | |
175 | DeviceIntPtr dev; | |
176 | xGetDeviceControlReply rep; | |
177 | ||
178 | REQUEST(xGetDeviceControlReq); | |
179 | REQUEST_SIZE_MATCH(xGetDeviceControlReq); | |
180 | ||
181 | rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess); | |
182 | if (rc != Success) | |
183 | return rc; | |
184 | ||
185 | rep = (xGetDeviceControlReply) { | |
186 | .repType = X_Reply, | |
187 | .RepType = X_GetDeviceControl, | |
188 | .sequenceNumber = client->sequence, | |
189 | .length = 0 | |
190 | }; | |
191 | ||
192 | switch (stuff->control) { | |
193 | case DEVICE_RESOLUTION: | |
194 | if (!dev->valuator) | |
195 | return BadMatch; | |
196 | total_length = sizeof(xDeviceResolutionState) + | |
197 | (3 * sizeof(int) * dev->valuator->numAxes); | |
198 | break; | |
199 | case DEVICE_ABS_CALIB: | |
200 | case DEVICE_ABS_AREA: | |
201 | return BadMatch; | |
202 | case DEVICE_CORE: | |
203 | total_length = sizeof(xDeviceCoreState); | |
204 | break; | |
205 | case DEVICE_ENABLE: | |
206 | total_length = sizeof(xDeviceEnableState); | |
207 | break; | |
208 | default: | |
209 | return BadValue; | |
210 | } | |
211 | ||
212 | buf = (char *) malloc(total_length); | |
213 | if (!buf) | |
214 | return BadAlloc; | |
215 | savbuf = buf; | |
216 | ||
217 | switch (stuff->control) { | |
218 | case DEVICE_RESOLUTION: | |
219 | CopySwapDeviceResolution(client, dev->valuator, buf, total_length); | |
220 | break; | |
221 | case DEVICE_CORE: | |
222 | CopySwapDeviceCore(client, dev, buf); | |
223 | break; | |
224 | case DEVICE_ENABLE: | |
225 | CopySwapDeviceEnable(client, dev, buf); | |
226 | break; | |
227 | default: | |
228 | break; | |
229 | } | |
230 | ||
231 | rep.length = bytes_to_int32(total_length); | |
232 | WriteReplyToClient(client, sizeof(xGetDeviceControlReply), &rep); | |
233 | WriteToClient(client, total_length, savbuf); | |
234 | free(savbuf); | |
235 | return Success; | |
236 | } |