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 _X_COLD
SProcXGetDeviceControl(ClientPtr client)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
CopySwapDeviceResolution(ClientPtr client,ValuatorClassPtr v,char * buf,int length)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
CopySwapDeviceCore(ClientPtr client,DeviceIntPtr dev,char * buf)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
CopySwapDeviceEnable(ClientPtr client,DeviceIntPtr dev,char * buf)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 _X_COLD
SRepXGetDeviceControl(ClientPtr client,int size,xGetDeviceControlReply * rep)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
ProcXGetDeviceControl(ClientPtr client)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 }
237