1 /*
2 * Copyright © 2015 Red Hat, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "config.h"
25
26 #include "litest.h"
27 #include "litest-int.h"
28
29 #define PROTOCOL_A_MAX_SLOTS 10
30
31 struct protocolA_device {
32 struct slot {
33 bool active;
34 int x, y;
35 int tracking_id;
36 } slots[PROTOCOL_A_MAX_SLOTS];
37 unsigned int nslots;
38 };
39
40 static bool
protocolA_create(struct litest_device * d)41 protocolA_create(struct litest_device *d)
42 {
43 struct protocolA_device *dev = zalloc(sizeof(*dev));
44
45 dev->nslots = PROTOCOL_A_MAX_SLOTS;
46
47 d->private = dev;
48
49 return true; /* we want litest to create our device */
50 }
51
52 static bool
protocolA_down(struct litest_device * d,unsigned int slot,double x,double y)53 protocolA_down(struct litest_device *d, unsigned int slot, double x, double y)
54 {
55 struct protocolA_device *dev = d->private;
56 static int tracking_id;
57 bool first = true;
58
59 assert(slot <= PROTOCOL_A_MAX_SLOTS);
60
61 x = litest_scale(d, ABS_X, x);
62 y = litest_scale(d, ABS_Y, y);
63
64 for (unsigned int i = 0; i < dev->nslots; i++) {
65 struct slot *s = &dev->slots[i];
66
67 if (slot == i) {
68 assert(!s->active);
69 s->active = true;
70 s->x = x;
71 s->y = y;
72 s->tracking_id = ++tracking_id;
73 }
74 if (!s->active)
75 continue;
76
77 if (first) {
78 litest_event(d, EV_ABS, ABS_X, s->x);
79 litest_event(d, EV_ABS, ABS_Y, s->y);
80 first = false;
81 }
82
83 litest_event(d, EV_ABS, ABS_MT_TRACKING_ID, s->tracking_id);
84 litest_event(d, EV_ABS, ABS_MT_POSITION_X, s->x);
85 litest_event(d, EV_ABS, ABS_MT_POSITION_Y, s->y);
86 litest_event(d, EV_SYN, SYN_MT_REPORT, 0);
87 }
88
89 if (!first) {
90 litest_event(d, EV_KEY, BTN_TOUCH, 1);
91 litest_event(d, EV_SYN, SYN_REPORT, 0);
92 }
93
94 return true; /* we handled the event */
95 }
96
97 static bool
protocolA_move(struct litest_device * d,unsigned int slot,double x,double y)98 protocolA_move(struct litest_device *d, unsigned int slot, double x, double y)
99 {
100 struct protocolA_device *dev = d->private;
101 bool first = true;
102
103 assert(slot <= PROTOCOL_A_MAX_SLOTS);
104
105 x = litest_scale(d, ABS_X, x);
106 y = litest_scale(d, ABS_Y, y);
107
108 for (unsigned int i = 0; i < dev->nslots; i++) {
109 struct slot *s = &dev->slots[i];
110
111 if (slot == i) {
112 assert(s->active);
113 s->x = x;
114 s->y = y;
115 }
116 if (!s->active)
117 continue;
118
119 if (first) {
120 litest_event(d, EV_ABS, ABS_X, s->x);
121 litest_event(d, EV_ABS, ABS_X, s->y);
122 first = false;
123 }
124
125 litest_event(d, EV_ABS, ABS_MT_TRACKING_ID, s->tracking_id);
126 litest_event(d, EV_ABS, ABS_MT_POSITION_X, s->x);
127 litest_event(d, EV_ABS, ABS_MT_POSITION_Y, s->y);
128 litest_event(d, EV_SYN, SYN_MT_REPORT, 0);
129 }
130
131 if (!first)
132 litest_event(d, EV_SYN, SYN_REPORT, 0);
133
134 return true; /* we handled the event */
135 }
136
137 static bool
protocolA_up(struct litest_device * d,unsigned int slot)138 protocolA_up(struct litest_device *d, unsigned int slot)
139 {
140 struct protocolA_device *dev = d->private;
141 bool first = true;
142
143 assert(slot <= PROTOCOL_A_MAX_SLOTS);
144
145 for (unsigned int i = 0; i < dev->nslots; i++) {
146 struct slot *s = &dev->slots[i];
147
148 if (slot == i) {
149 assert(s->active);
150 s->active = false;
151 litest_event(d, EV_ABS, ABS_MT_TRACKING_ID, s->tracking_id);
152 litest_event(d, EV_SYN, SYN_MT_REPORT, 0);
153 }
154 if (!s->active)
155 continue;
156
157 if (first) {
158 litest_event(d, EV_ABS, ABS_X, s->x);
159 litest_event(d, EV_ABS, ABS_X, s->y);
160 first = false;
161 }
162
163 litest_event(d, EV_ABS, ABS_MT_TRACKING_ID, s->tracking_id);
164 litest_event(d, EV_ABS, ABS_MT_POSITION_X, s->x);
165 litest_event(d, EV_ABS, ABS_MT_POSITION_Y, s->y);
166 litest_event(d, EV_SYN, SYN_MT_REPORT, 0);
167
168 }
169
170 if (first)
171 litest_event(d, EV_KEY, BTN_TOUCH, 0);
172 litest_event(d, EV_SYN, SYN_REPORT, 0);
173
174 return true; /* we handled the event */
175 }
176
177 static struct litest_device_interface interface = {
178 .touch_down = protocolA_down,
179 .touch_move = protocolA_move,
180 .touch_up = protocolA_up,
181 };
182
183 static struct input_absinfo absinfo[] = {
184 { ABS_X, 0, 32767, 0, 0, 0 },
185 { ABS_Y, 0, 32767, 0, 0, 0 },
186 { ABS_MT_POSITION_X, 0, 32767, 0, 0, 0 },
187 { ABS_MT_POSITION_Y, 0, 32767, 0, 0, 0 },
188 { ABS_MT_PRESSURE, 0, 1, 0, 0, 0 },
189 { .value = -1 },
190 };
191
192 static struct input_id input_id = {
193 .bustype = 0x18,
194 .vendor = 0xeef,
195 .product = 0x20,
196 };
197
198 static int events[] = {
199 EV_KEY, BTN_TOUCH,
200 INPUT_PROP_MAX, INPUT_PROP_DIRECT,
201 -1, -1,
202 };
203
204 TEST_DEVICE("protocol-a",
205 .type = LITEST_PROTOCOL_A_SCREEN,
206 .features = LITEST_PROTOCOL_A|LITEST_TOUCH,
207 .create = protocolA_create,
208
209 .interface = &interface,
210
211 .name = "Protocol A touch screen",
212 .id = &input_id,
213 .events = events,
214 .absinfo = absinfo,
215 )
216