1/*
2 * Copyright © 2007 Peter Hutterer
3 * Copyright © 2009 Red Hat, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#include "xinput.h"
26#include <string.h>
27
28#define Error(error, ...) \
29{ \
30    fprintf(stderr, __VA_ARGS__); \
31    return error;\
32}
33/**
34 * Create a new master device. Name must be supplied, other values are
35 * optional.
36 */
37int
38create_master(Display* dpy, int argc, char** argv, char* name, char *desc)
39{
40    XIAddMasterInfo c;
41
42    if (argc == 0)
43    {
44        fprintf(stderr, "Usage: xinput %s %s\n", name, desc);
45        return EXIT_FAILURE;
46    }
47
48    c.type = XIAddMaster;
49    c.name = argv[0];
50    c.send_core = (argc >= 2) ? atoi(argv[1]) : 1;
51    c.enable = (argc >= 3) ? atoi(argv[2]) : 1;
52
53    return XIChangeHierarchy(dpy, (XIAnyHierarchyChangeInfo*)&c, 1);
54}
55
56/**
57 * Remove a master device.
58 * By default, all attached devices are set to Floating, unless parameters are
59 * given.
60 */
61int
62remove_master(Display* dpy, int argc, char** argv, char *name, char *desc)
63{
64    XIRemoveMasterInfo r;
65    XIDeviceInfo *info;
66    int ret;
67
68    if (argc == 0)
69    {
70        fprintf(stderr, "usage: xinput %s %s\n", name, desc);
71        return EXIT_FAILURE;
72    }
73
74    info = xi2_find_device_info(dpy, argv[0]);
75
76    if (!info) {
77	fprintf(stderr, "unable to find device '%s'\n", argv[0]);
78	return EXIT_FAILURE;
79    }
80
81    r.type = XIRemoveMaster;
82    r.deviceid = info->deviceid;
83    if (argc >= 2)
84    {
85        if (!strcmp(argv[1], "Floating"))
86            r.return_mode = XIFloating;
87        else if (!strcmp(argv[1], "AttachToMaster"))
88            r.return_mode = XIAttachToMaster;
89        else
90            Error(BadValue, "Invalid return_mode.\n");
91    } else
92        r.return_mode = XIFloating;
93
94    if (r.return_mode == XIAttachToMaster)
95    {
96        r.return_pointer = 0;
97        if (argc >= 3) {
98            info = xi2_find_device_info(dpy, argv[2]);
99            if (!info) {
100                fprintf(stderr, "unable to find device '%s'\n", argv[2]);
101                return EXIT_FAILURE;
102            }
103
104            r.return_pointer = info->deviceid;
105        }
106
107        r.return_keyboard = 0;
108        if (argc >= 4) {
109            info = xi2_find_device_info(dpy, argv[3]);
110            if (!info) {
111                fprintf(stderr, "unable to find device '%s'\n", argv[3]);
112                return EXIT_FAILURE;
113            }
114
115            r.return_keyboard = info->deviceid;
116        }
117
118        if (!r.return_pointer || !r.return_keyboard) {
119            int i, ndevices;
120            info = XIQueryDevice(dpy, XIAllMasterDevices, &ndevices);
121            for(i = 0; i < ndevices; i++) {
122                if (info[i].use == XIMasterPointer && !r.return_pointer)
123                    r.return_pointer = info[i].deviceid;
124                if (info[i].use == XIMasterKeyboard && !r.return_keyboard)
125                    r.return_keyboard = info[i].deviceid;
126                if (r.return_pointer && r.return_keyboard)
127                    break;
128            }
129
130            XIFreeDeviceInfo(info);
131        }
132    }
133
134    ret = XIChangeHierarchy(dpy, (XIAnyHierarchyChangeInfo*)&r, 1);
135    return ret;
136}
137
138/**
139 * Swap a device from one master to another.
140 */
141int
142change_attachment(Display* dpy, int argc, char** argv, char *name, char* desc)
143{
144    XIDeviceInfo *sd_info, *md_info;
145    XIAttachSlaveInfo c;
146    int ret;
147
148    if (argc < 2)
149    {
150        fprintf(stderr, "usage: xinput %s %s\n", name, desc);
151        return EXIT_FAILURE;
152    }
153
154    sd_info = xi2_find_device_info(dpy, argv[0]);
155    md_info= xi2_find_device_info(dpy, argv[1]);
156
157    if (!sd_info) {
158	fprintf(stderr, "unable to find device '%s'\n", argv[0]);
159	return EXIT_FAILURE;
160    }
161
162    if (!md_info) {
163	fprintf(stderr, "unable to find device '%s'\n", argv[1]);
164	return EXIT_FAILURE;
165    }
166
167    c.type = XIAttachSlave;
168    c.deviceid = sd_info->deviceid;
169    c.new_master = md_info->deviceid;
170
171    ret = XIChangeHierarchy(dpy, (XIAnyHierarchyChangeInfo*)&c, 1);
172    return ret;
173}
174
175/**
176 * Set a device floating.
177 */
178int
179float_device(Display* dpy, int argc, char** argv, char* name, char* desc)
180{
181    XIDeviceInfo *info;
182    XIDetachSlaveInfo c;
183    int ret;
184
185    if (argc < 1)
186    {
187        fprintf(stderr, "usage: xinput %s %s\n", name, desc);
188        return EXIT_FAILURE;
189    }
190
191    info = xi2_find_device_info(dpy, argv[0]);
192
193    if (!info) {
194	fprintf(stderr, "unable to find device '%s'\n", argv[0]);
195	return EXIT_FAILURE;
196    }
197
198    c.type = XIDetachSlave;
199    c.deviceid = info->deviceid;
200
201    ret = XIChangeHierarchy(dpy, (XIAnyHierarchyChangeInfo*)&c, 1);
202    return ret;
203}
204
205
206