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 * XChangeDeviceControl - Change the control attributes of an extension
50 * input device.
51 *
52 */
53
54#ifdef HAVE_CONFIG_H
55#include <config.h>
56#endif
57
58#include <X11/extensions/XI.h>
59#include <X11/extensions/XIproto.h>
60#include <X11/Xlibint.h>
61#include <X11/extensions/XInput.h>
62#include <X11/extensions/extutil.h>
63#include "XIint.h"
64
65int
66XChangeDeviceControl(
67    register Display	*dpy,
68    XDevice		*dev,
69    int			 control,
70    XDeviceControl	*d)
71{
72    int length;
73    xChangeDeviceControlReq *req;
74    xChangeDeviceControlReply rep;
75    XExtDisplayInfo *info = XInput_find_display(dpy);
76
77    LockDisplay(dpy);
78    if (_XiCheckExtInit(dpy, XInput_Add_XChangeDeviceControl, info) == -1)
79	return (NoSuchExtension);
80
81    GetReq(ChangeDeviceControl, req);
82    req->reqType = info->codes->major_opcode;
83    req->ReqType = X_ChangeDeviceControl;
84    req->deviceid = dev->device_id;
85    req->control = control;
86
87    switch (control) {
88    case DEVICE_RESOLUTION:
89    {
90	XDeviceResolutionControl *R;
91	xDeviceResolutionCtl r;
92
93	R = (XDeviceResolutionControl *) d;
94	r.control = DEVICE_RESOLUTION;
95	r.length = sizeof(xDeviceResolutionCtl) +
96        R->num_valuators * sizeof(int);
97	r.first_valuator = R->first_valuator;
98	r.num_valuators = R->num_valuators;
99	req->length += ((unsigned)(r.length + 3) >> 2);
100	length = sizeof(xDeviceResolutionCtl);
101	Data(dpy, (char *)&r, length);
102	length = r.num_valuators * sizeof(int);
103	Data(dpy, (char *)R->resolutions, length);
104	if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
105	    UnlockDisplay(dpy);
106	    SyncHandle();
107	    return (NoSuchExtension);
108	} else {
109            UnlockDisplay(dpy);
110            SyncHandle();
111	    return (rep.status);
112        }
113    }
114    case DEVICE_ABS_CALIB:
115    {
116        XDeviceAbsCalibControl *C = (XDeviceAbsCalibControl *) d;
117        xDeviceAbsCalibCtl c;
118
119        c.control = DEVICE_ABS_CALIB;
120        c.length = sizeof(c);
121        c.min_x = C->min_x;
122        c.max_x = C->max_x;
123        c.min_y = C->min_y;
124        c.max_y = C->max_y;
125        c.flip_x = C->flip_x;
126        c.flip_y = C->flip_y;
127        c.rotation = C->rotation;
128        c.button_threshold = C->button_threshold;
129
130        req->length += (sizeof(c) + 3) >> 2;
131        Data(dpy, (char *) &c, sizeof(c));
132
133        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
134            UnlockDisplay(dpy);
135            SyncHandle();
136            return NoSuchExtension;
137        }
138        else {
139            UnlockDisplay(dpy);
140            SyncHandle();
141            return rep.status;
142        }
143    }
144    case DEVICE_ABS_AREA:
145    {
146        XDeviceAbsAreaControl *A = (XDeviceAbsAreaControl *) d;
147        xDeviceAbsAreaCtl a;
148
149        a.control = DEVICE_ABS_AREA;
150        a.length = sizeof(a);
151        a.offset_x = A->offset_x;
152        a.offset_y = A->offset_y;
153        a.width = A->width;
154        a.height = A->height;
155        a.screen = A->screen;
156        a.following = A->following;
157
158        req->length += (sizeof(a) + 3) >> 2;
159        Data(dpy, (char *) &a, sizeof(a));
160
161        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
162            UnlockDisplay(dpy);
163            SyncHandle();
164            return NoSuchExtension;
165        }
166        else {
167            UnlockDisplay(dpy);
168            SyncHandle();
169            return rep.status;
170        }
171    }
172    case DEVICE_CORE:
173    {
174        XDeviceCoreControl *C = (XDeviceCoreControl *) d;
175        xDeviceCoreCtl c;
176
177        c.control = DEVICE_CORE;
178        c.length = sizeof(c);
179        c.status = C->status;
180
181        req->length += (sizeof(c) + 3) >> 2;
182        Data (dpy, (char *) &c, sizeof(c));
183
184        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
185            UnlockDisplay(dpy);
186            SyncHandle();
187            return NoSuchExtension;
188        }
189        else {
190            UnlockDisplay(dpy);
191            SyncHandle();
192            return rep.status;
193        }
194    }
195    case DEVICE_ENABLE:
196    {
197        XDeviceEnableControl *E = (XDeviceEnableControl *) d;
198        xDeviceEnableCtl e;
199
200        e.control = DEVICE_ENABLE;
201        e.length = sizeof(e);
202        e.enable = E->enable;
203
204        req->length += (sizeof(e) + 3) >> 2;
205        Data (dpy, (char *) &e, sizeof(e));
206
207        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
208            UnlockDisplay(dpy);
209            SyncHandle();
210            return NoSuchExtension;
211        }
212        else {
213            UnlockDisplay(dpy);
214            SyncHandle();
215            return rep.status;
216        }
217    }
218    default:
219    {
220	xDeviceCtl u;
221
222	u.control = d->control;
223	u.length = d->length - sizeof(int);
224	length = ((unsigned)(u.length + 3) >> 2);
225	req->length += length;
226	length <<= 2;
227	Data(dpy, (char *)&u, length);
228    }
229    }
230
231    UnlockDisplay(dpy);
232    SyncHandle();
233    return (Success);
234}
235