Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200123-4' into...
[qemu.git] / ui / input-legacy.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the 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 FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qapi/qapi-commands-ui.h"
27 #include "ui/console.h"
28 #include "keymaps.h"
29 #include "ui/input.h"
30
31 struct QEMUPutMouseEntry {
32 QEMUPutMouseEvent *qemu_put_mouse_event;
33 void *qemu_put_mouse_event_opaque;
34 int qemu_put_mouse_event_absolute;
35
36 /* new input core */
37 QemuInputHandler h;
38 QemuInputHandlerState *s;
39 int axis[INPUT_AXIS__MAX];
40 int buttons;
41 };
42
43 struct QEMUPutKbdEntry {
44 QEMUPutKBDEvent *put_kbd;
45 void *opaque;
46 QemuInputHandlerState *s;
47 };
48
49 struct QEMUPutLEDEntry {
50 QEMUPutLEDEvent *put_led;
51 void *opaque;
52 QTAILQ_ENTRY(QEMUPutLEDEntry) next;
53 };
54
55 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
56 QTAILQ_HEAD_INITIALIZER(led_handlers);
57
58 int index_from_key(const char *key, size_t key_length)
59 {
60 int i;
61
62 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
63 if (!strncmp(key, QKeyCode_str(i), key_length) &&
64 !QKeyCode_str(i)[key_length]) {
65 break;
66 }
67 }
68
69 /* Return Q_KEY_CODE__MAX if the key is invalid */
70 return i;
71 }
72
73 static KeyValue *copy_key_value(KeyValue *src)
74 {
75 KeyValue *dst = g_new(KeyValue, 1);
76 memcpy(dst, src, sizeof(*src));
77 if (dst->type == KEY_VALUE_KIND_NUMBER) {
78 QKeyCode code = qemu_input_key_number_to_qcode(dst->u.number.data);
79 dst->type = KEY_VALUE_KIND_QCODE;
80 dst->u.qcode.data = code;
81 }
82 return dst;
83 }
84
85 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
86 Error **errp)
87 {
88 KeyValueList *p;
89 KeyValue **up = NULL;
90 int count = 0;
91
92 if (!has_hold_time) {
93 hold_time = 0; /* use default */
94 }
95
96 for (p = keys; p != NULL; p = p->next) {
97 qemu_input_event_send_key(NULL, copy_key_value(p->value), true);
98 qemu_input_event_send_key_delay(hold_time);
99 up = g_realloc(up, sizeof(*up) * (count+1));
100 up[count] = copy_key_value(p->value);
101 count++;
102 }
103 while (count) {
104 count--;
105 qemu_input_event_send_key(NULL, up[count], false);
106 qemu_input_event_send_key_delay(hold_time);
107 }
108 g_free(up);
109 }
110
111 static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
112 InputEvent *evt)
113 {
114 QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
115 int scancodes[3], i, count;
116 InputKeyEvent *key = evt->u.key.data;
117
118 if (!entry || !entry->put_kbd) {
119 return;
120 }
121 count = qemu_input_key_value_to_scancode(key->key,
122 key->down,
123 scancodes);
124 for (i = 0; i < count; i++) {
125 entry->put_kbd(entry->opaque, scancodes[i]);
126 }
127 }
128
129 static QemuInputHandler legacy_kbd_handler = {
130 .name = "legacy-kbd",
131 .mask = INPUT_EVENT_MASK_KEY,
132 .event = legacy_kbd_event,
133 };
134
135 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
136 {
137 QEMUPutKbdEntry *entry;
138
139 entry = g_new0(QEMUPutKbdEntry, 1);
140 entry->put_kbd = func;
141 entry->opaque = opaque;
142 entry->s = qemu_input_handler_register((DeviceState *)entry,
143 &legacy_kbd_handler);
144 qemu_input_handler_activate(entry->s);
145 return entry;
146 }
147
148 static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
149 InputEvent *evt)
150 {
151 static const int bmap[INPUT_BUTTON__MAX] = {
152 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
153 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
154 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
155 };
156 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
157 InputBtnEvent *btn;
158 InputMoveEvent *move;
159
160 switch (evt->type) {
161 case INPUT_EVENT_KIND_BTN:
162 btn = evt->u.btn.data;
163 if (btn->down) {
164 s->buttons |= bmap[btn->button];
165 } else {
166 s->buttons &= ~bmap[btn->button];
167 }
168 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) {
169 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
170 s->axis[INPUT_AXIS_X],
171 s->axis[INPUT_AXIS_Y],
172 -1,
173 s->buttons);
174 }
175 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) {
176 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
177 s->axis[INPUT_AXIS_X],
178 s->axis[INPUT_AXIS_Y],
179 1,
180 s->buttons);
181 }
182 break;
183 case INPUT_EVENT_KIND_ABS:
184 move = evt->u.abs.data;
185 s->axis[move->axis] = move->value;
186 break;
187 case INPUT_EVENT_KIND_REL:
188 move = evt->u.rel.data;
189 s->axis[move->axis] += move->value;
190 break;
191 default:
192 break;
193 }
194 }
195
196 static void legacy_mouse_sync(DeviceState *dev)
197 {
198 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
199
200 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
201 s->axis[INPUT_AXIS_X],
202 s->axis[INPUT_AXIS_Y],
203 0,
204 s->buttons);
205
206 if (!s->qemu_put_mouse_event_absolute) {
207 s->axis[INPUT_AXIS_X] = 0;
208 s->axis[INPUT_AXIS_Y] = 0;
209 }
210 }
211
212 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
213 void *opaque, int absolute,
214 const char *name)
215 {
216 QEMUPutMouseEntry *s;
217
218 s = g_new0(QEMUPutMouseEntry, 1);
219
220 s->qemu_put_mouse_event = func;
221 s->qemu_put_mouse_event_opaque = opaque;
222 s->qemu_put_mouse_event_absolute = absolute;
223
224 s->h.name = name;
225 s->h.mask = INPUT_EVENT_MASK_BTN |
226 (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
227 s->h.event = legacy_mouse_event;
228 s->h.sync = legacy_mouse_sync;
229 s->s = qemu_input_handler_register((DeviceState *)s,
230 &s->h);
231
232 return s;
233 }
234
235 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
236 {
237 qemu_input_handler_activate(entry->s);
238 }
239
240 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
241 {
242 qemu_input_handler_unregister(entry->s);
243
244 g_free(entry);
245 }
246
247 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
248 void *opaque)
249 {
250 QEMUPutLEDEntry *s;
251
252 s = g_new0(QEMUPutLEDEntry, 1);
253
254 s->put_led = func;
255 s->opaque = opaque;
256 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
257 return s;
258 }
259
260 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
261 {
262 if (entry == NULL)
263 return;
264 QTAILQ_REMOVE(&led_handlers, entry, next);
265 g_free(entry);
266 }
267
268 void kbd_put_ledstate(int ledstate)
269 {
270 QEMUPutLEDEntry *cursor;
271
272 QTAILQ_FOREACH(cursor, &led_handlers, next) {
273 cursor->put_led(cursor->opaque, ledstate);
274 }
275 }