opendev.c revision 1b5d61b8 
1/************************************************************
2
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
26
27			All Rights Reserved
28
29Permission to use, copy, modify, and distribute this software and its
30documentation for any purpose and without fee is hereby granted,
31provided that the above copyright notice appear in all copies and that
32both that copyright notice and this permission notice appear in
33supporting documentation, and that the name of Hewlett-Packard not be
34used in advertising or publicity pertaining to distribution of the
35software without specific, written prior permission.
36
37HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43SOFTWARE.
44
45********************************************************/
46
47/***********************************************************************
48 *
49 * Request to open an extension input 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 "XIstubs.h"
61#include "windowstr.h"          /* window structure  */
62#include "exglobals.h"
63#include "exevents.h"
64
65#include "opendev.h"
66
67extern CARD8 event_base[];
68
69/***********************************************************************
70 *
71 * This procedure swaps the request if the server and client have different
72 * byte orderings.
73 *
74 */
75
76int _X_COLD
77SProcXOpenDevice(ClientPtr client)
78{
79    REQUEST(xOpenDeviceReq);
80    swaps(&stuff->length);
81    return (ProcXOpenDevice(client));
82}
83
84/***********************************************************************
85 *
86 * This procedure causes the server to open an input device.
87 *
88 */
89
90int
91ProcXOpenDevice(ClientPtr client)
92{
93    xInputClassInfo evbase[numInputClasses];
94    int j = 0;
95    int status = Success;
96    xOpenDeviceReply rep;
97    DeviceIntPtr dev;
98
99    REQUEST(xOpenDeviceReq);
100    REQUEST_SIZE_MATCH(xOpenDeviceReq);
101
102    status = dixLookupDevice(&dev, stuff->deviceid, client, DixUseAccess);
103
104    if (status == BadDevice) {  /* not open */
105        for (dev = inputInfo.off_devices; dev; dev = dev->next)
106            if (dev->id == stuff->deviceid)
107                break;
108        if (dev == NULL)
109            return BadDevice;
110    }
111    else if (status != Success)
112        return status;
113
114    if (IsMaster(dev))
115        return BadDevice;
116
117    if (status != Success)
118        return status;
119
120    if (dev->key != NULL) {
121        evbase[j].class = KeyClass;
122        evbase[j++].event_type_base = event_base[KeyClass];
123    }
124    if (dev->button != NULL) {
125        evbase[j].class = ButtonClass;
126        evbase[j++].event_type_base = event_base[ButtonClass];
127    }
128    if (dev->valuator != NULL) {
129        evbase[j].class = ValuatorClass;
130        evbase[j++].event_type_base = event_base[ValuatorClass];
131    }
132    if (dev->kbdfeed != NULL || dev->ptrfeed != NULL || dev->leds != NULL ||
133        dev->intfeed != NULL || dev->bell != NULL || dev->stringfeed != NULL) {
134        evbase[j].class = FeedbackClass;
135        evbase[j++].event_type_base = event_base[FeedbackClass];
136    }
137    if (dev->focus != NULL) {
138        evbase[j].class = FocusClass;
139        evbase[j++].event_type_base = event_base[FocusClass];
140    }
141    if (dev->proximity != NULL) {
142        evbase[j].class = ProximityClass;
143        evbase[j++].event_type_base = event_base[ProximityClass];
144    }
145    evbase[j].class = OtherClass;
146    evbase[j++].event_type_base = event_base[OtherClass];
147    rep = (xOpenDeviceReply) {
148        .repType = X_Reply,
149        .RepType = X_OpenDevice,
150        .sequenceNumber = client->sequence,
151        .length = bytes_to_int32(j * sizeof(xInputClassInfo)),
152        .num_classes = j
153    };
154    WriteReplyToClient(client, sizeof(xOpenDeviceReply), &rep);
155    WriteToClient(client, j * sizeof(xInputClassInfo), evbase);
156    return Success;
157}
158
159/***********************************************************************
160 *
161 * This procedure writes the reply for the XOpenDevice function,
162 * if the client and server have a different byte ordering.
163 *
164 */
165
166void _X_COLD
167SRepXOpenDevice(ClientPtr client, int size, xOpenDeviceReply * rep)
168{
169    swaps(&rep->sequenceNumber);
170    swapl(&rep->length);
171    WriteToClient(client, size, rep);
172}
173