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1 | #include "qemu/osdep.h" | |
2 | #include "sysemu/sysemu.h" | |
3 | #include "qapi/error.h" | |
4 | #include "qapi/qapi-commands-ui.h" | |
5 | #include "qapi/qmp/qdict.h" | |
6 | #include "qemu/error-report.h" | |
7 | #include "trace.h" | |
8 | #include "ui/input.h" | |
9 | #include "ui/console.h" | |
10 | #include "sysemu/replay.h" | |
11 | ||
12 | struct QemuInputHandlerState { | |
13 | DeviceState *dev; | |
14 | QemuInputHandler *handler; | |
15 | int id; | |
16 | int events; | |
17 | QemuConsole *con; | |
18 | QTAILQ_ENTRY(QemuInputHandlerState) node; | |
19 | }; | |
20 | ||
21 | typedef struct QemuInputEventQueue QemuInputEventQueue; | |
22 | typedef QTAILQ_HEAD(QemuInputEventQueueHead, QemuInputEventQueue) | |
23 | QemuInputEventQueueHead; | |
24 | ||
25 | struct QemuInputEventQueue { | |
26 | enum { | |
27 | QEMU_INPUT_QUEUE_DELAY = 1, | |
28 | QEMU_INPUT_QUEUE_EVENT, | |
29 | QEMU_INPUT_QUEUE_SYNC, | |
30 | } type; | |
31 | QEMUTimer *timer; | |
32 | uint32_t delay_ms; | |
33 | QemuConsole *src; | |
34 | InputEvent *evt; | |
35 | QTAILQ_ENTRY(QemuInputEventQueue) node; | |
36 | }; | |
37 | ||
38 | static QTAILQ_HEAD(, QemuInputHandlerState) handlers = | |
39 | QTAILQ_HEAD_INITIALIZER(handlers); | |
40 | static NotifierList mouse_mode_notifiers = | |
41 | NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers); | |
42 | ||
43 | static QemuInputEventQueueHead kbd_queue = QTAILQ_HEAD_INITIALIZER(kbd_queue); | |
44 | static QEMUTimer *kbd_timer; | |
45 | static uint32_t kbd_default_delay_ms = 10; | |
46 | static uint32_t queue_count; | |
47 | static uint32_t queue_limit = 1024; | |
48 | ||
49 | QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev, | |
50 | QemuInputHandler *handler) | |
51 | { | |
52 | QemuInputHandlerState *s = g_new0(QemuInputHandlerState, 1); | |
53 | static int id = 1; | |
54 | ||
55 | s->dev = dev; | |
56 | s->handler = handler; | |
57 | s->id = id++; | |
58 | QTAILQ_INSERT_TAIL(&handlers, s, node); | |
59 | ||
60 | qemu_input_check_mode_change(); | |
61 | return s; | |
62 | } | |
63 | ||
64 | void qemu_input_handler_activate(QemuInputHandlerState *s) | |
65 | { | |
66 | QTAILQ_REMOVE(&handlers, s, node); | |
67 | QTAILQ_INSERT_HEAD(&handlers, s, node); | |
68 | qemu_input_check_mode_change(); | |
69 | } | |
70 | ||
71 | void qemu_input_handler_deactivate(QemuInputHandlerState *s) | |
72 | { | |
73 | QTAILQ_REMOVE(&handlers, s, node); | |
74 | QTAILQ_INSERT_TAIL(&handlers, s, node); | |
75 | qemu_input_check_mode_change(); | |
76 | } | |
77 | ||
78 | void qemu_input_handler_unregister(QemuInputHandlerState *s) | |
79 | { | |
80 | QTAILQ_REMOVE(&handlers, s, node); | |
81 | g_free(s); | |
82 | qemu_input_check_mode_change(); | |
83 | } | |
84 | ||
85 | void qemu_input_handler_bind(QemuInputHandlerState *s, | |
86 | const char *device_id, int head, | |
87 | Error **errp) | |
88 | { | |
89 | QemuConsole *con; | |
90 | Error *err = NULL; | |
91 | ||
92 | con = qemu_console_lookup_by_device_name(device_id, head, &err); | |
93 | if (err) { | |
94 | error_propagate(errp, err); | |
95 | return; | |
96 | } | |
97 | ||
98 | s->con = con; | |
99 | } | |
100 | ||
101 | static QemuInputHandlerState* | |
102 | qemu_input_find_handler(uint32_t mask, QemuConsole *con) | |
103 | { | |
104 | QemuInputHandlerState *s; | |
105 | ||
106 | QTAILQ_FOREACH(s, &handlers, node) { | |
107 | if (s->con == NULL || s->con != con) { | |
108 | continue; | |
109 | } | |
110 | if (mask & s->handler->mask) { | |
111 | return s; | |
112 | } | |
113 | } | |
114 | ||
115 | QTAILQ_FOREACH(s, &handlers, node) { | |
116 | if (s->con != NULL) { | |
117 | continue; | |
118 | } | |
119 | if (mask & s->handler->mask) { | |
120 | return s; | |
121 | } | |
122 | } | |
123 | return NULL; | |
124 | } | |
125 | ||
126 | void qmp_input_send_event(bool has_device, const char *device, | |
127 | bool has_head, int64_t head, | |
128 | InputEventList *events, Error **errp) | |
129 | { | |
130 | InputEventList *e; | |
131 | QemuConsole *con; | |
132 | Error *err = NULL; | |
133 | ||
134 | con = NULL; | |
135 | if (has_device) { | |
136 | if (!has_head) { | |
137 | head = 0; | |
138 | } | |
139 | con = qemu_console_lookup_by_device_name(device, head, &err); | |
140 | if (err) { | |
141 | error_propagate(errp, err); | |
142 | return; | |
143 | } | |
144 | } | |
145 | ||
146 | if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { | |
147 | error_setg(errp, "VM not running"); | |
148 | return; | |
149 | } | |
150 | ||
151 | for (e = events; e != NULL; e = e->next) { | |
152 | InputEvent *event = e->value; | |
153 | ||
154 | if (!qemu_input_find_handler(1 << event->type, con)) { | |
155 | error_setg(errp, "Input handler not found for " | |
156 | "event type %s", | |
157 | InputEventKind_str(event->type)); | |
158 | return; | |
159 | } | |
160 | } | |
161 | ||
162 | for (e = events; e != NULL; e = e->next) { | |
163 | InputEvent *evt = e->value; | |
164 | ||
165 | if (evt->type == INPUT_EVENT_KIND_KEY && | |
166 | evt->u.key.data->key->type == KEY_VALUE_KIND_NUMBER) { | |
167 | KeyValue *key = evt->u.key.data->key; | |
168 | QKeyCode code = qemu_input_key_number_to_qcode(key->u.number.data); | |
169 | qemu_input_event_send_key_qcode(con, code, evt->u.key.data->down); | |
170 | } else { | |
171 | qemu_input_event_send(con, evt); | |
172 | } | |
173 | } | |
174 | ||
175 | qemu_input_event_sync(); | |
176 | } | |
177 | ||
178 | static int qemu_input_transform_invert_abs_value(int value) | |
179 | { | |
180 | return (int64_t)INPUT_EVENT_ABS_MAX - value + INPUT_EVENT_ABS_MIN; | |
181 | } | |
182 | ||
183 | static void qemu_input_transform_abs_rotate(InputEvent *evt) | |
184 | { | |
185 | InputMoveEvent *move = evt->u.abs.data; | |
186 | switch (graphic_rotate) { | |
187 | case 90: | |
188 | if (move->axis == INPUT_AXIS_X) { | |
189 | move->axis = INPUT_AXIS_Y; | |
190 | } else if (move->axis == INPUT_AXIS_Y) { | |
191 | move->axis = INPUT_AXIS_X; | |
192 | move->value = qemu_input_transform_invert_abs_value(move->value); | |
193 | } | |
194 | break; | |
195 | case 180: | |
196 | move->value = qemu_input_transform_invert_abs_value(move->value); | |
197 | break; | |
198 | case 270: | |
199 | if (move->axis == INPUT_AXIS_X) { | |
200 | move->axis = INPUT_AXIS_Y; | |
201 | move->value = qemu_input_transform_invert_abs_value(move->value); | |
202 | } else if (move->axis == INPUT_AXIS_Y) { | |
203 | move->axis = INPUT_AXIS_X; | |
204 | } | |
205 | break; | |
206 | } | |
207 | } | |
208 | ||
209 | static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt) | |
210 | { | |
211 | const char *name; | |
212 | int qcode, idx = -1; | |
213 | InputKeyEvent *key; | |
214 | InputBtnEvent *btn; | |
215 | InputMoveEvent *move; | |
216 | ||
217 | if (src) { | |
218 | idx = qemu_console_get_index(src); | |
219 | } | |
220 | switch (evt->type) { | |
221 | case INPUT_EVENT_KIND_KEY: | |
222 | key = evt->u.key.data; | |
223 | switch (key->key->type) { | |
224 | case KEY_VALUE_KIND_NUMBER: | |
225 | qcode = qemu_input_key_number_to_qcode(key->key->u.number.data); | |
226 | name = QKeyCode_str(qcode); | |
227 | trace_input_event_key_number(idx, key->key->u.number.data, | |
228 | name, key->down); | |
229 | break; | |
230 | case KEY_VALUE_KIND_QCODE: | |
231 | name = QKeyCode_str(key->key->u.qcode.data); | |
232 | trace_input_event_key_qcode(idx, name, key->down); | |
233 | break; | |
234 | case KEY_VALUE_KIND__MAX: | |
235 | /* keep gcc happy */ | |
236 | break; | |
237 | } | |
238 | break; | |
239 | case INPUT_EVENT_KIND_BTN: | |
240 | btn = evt->u.btn.data; | |
241 | name = InputButton_str(btn->button); | |
242 | trace_input_event_btn(idx, name, btn->down); | |
243 | break; | |
244 | case INPUT_EVENT_KIND_REL: | |
245 | move = evt->u.rel.data; | |
246 | name = InputAxis_str(move->axis); | |
247 | trace_input_event_rel(idx, name, move->value); | |
248 | break; | |
249 | case INPUT_EVENT_KIND_ABS: | |
250 | move = evt->u.abs.data; | |
251 | name = InputAxis_str(move->axis); | |
252 | trace_input_event_abs(idx, name, move->value); | |
253 | break; | |
254 | case INPUT_EVENT_KIND__MAX: | |
255 | /* keep gcc happy */ | |
256 | break; | |
257 | } | |
258 | } | |
259 | ||
260 | static void qemu_input_queue_process(void *opaque) | |
261 | { | |
262 | QemuInputEventQueueHead *queue = opaque; | |
263 | QemuInputEventQueue *item; | |
264 | ||
265 | g_assert(!QTAILQ_EMPTY(queue)); | |
266 | item = QTAILQ_FIRST(queue); | |
267 | g_assert(item->type == QEMU_INPUT_QUEUE_DELAY); | |
268 | QTAILQ_REMOVE(queue, item, node); | |
269 | queue_count--; | |
270 | g_free(item); | |
271 | ||
272 | while (!QTAILQ_EMPTY(queue)) { | |
273 | item = QTAILQ_FIRST(queue); | |
274 | switch (item->type) { | |
275 | case QEMU_INPUT_QUEUE_DELAY: | |
276 | timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) | |
277 | + item->delay_ms); | |
278 | return; | |
279 | case QEMU_INPUT_QUEUE_EVENT: | |
280 | qemu_input_event_send(item->src, item->evt); | |
281 | qapi_free_InputEvent(item->evt); | |
282 | break; | |
283 | case QEMU_INPUT_QUEUE_SYNC: | |
284 | qemu_input_event_sync(); | |
285 | break; | |
286 | } | |
287 | QTAILQ_REMOVE(queue, item, node); | |
288 | queue_count--; | |
289 | g_free(item); | |
290 | } | |
291 | } | |
292 | ||
293 | static void qemu_input_queue_delay(QemuInputEventQueueHead *queue, | |
294 | QEMUTimer *timer, uint32_t delay_ms) | |
295 | { | |
296 | QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1); | |
297 | bool start_timer = QTAILQ_EMPTY(queue); | |
298 | ||
299 | item->type = QEMU_INPUT_QUEUE_DELAY; | |
300 | item->delay_ms = delay_ms; | |
301 | item->timer = timer; | |
302 | QTAILQ_INSERT_TAIL(queue, item, node); | |
303 | queue_count++; | |
304 | ||
305 | if (start_timer) { | |
306 | timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) | |
307 | + item->delay_ms); | |
308 | } | |
309 | } | |
310 | ||
311 | static void qemu_input_queue_event(QemuInputEventQueueHead *queue, | |
312 | QemuConsole *src, InputEvent *evt) | |
313 | { | |
314 | QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1); | |
315 | ||
316 | item->type = QEMU_INPUT_QUEUE_EVENT; | |
317 | item->src = src; | |
318 | item->evt = evt; | |
319 | QTAILQ_INSERT_TAIL(queue, item, node); | |
320 | queue_count++; | |
321 | } | |
322 | ||
323 | static void qemu_input_queue_sync(QemuInputEventQueueHead *queue) | |
324 | { | |
325 | QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1); | |
326 | ||
327 | item->type = QEMU_INPUT_QUEUE_SYNC; | |
328 | QTAILQ_INSERT_TAIL(queue, item, node); | |
329 | queue_count++; | |
330 | } | |
331 | ||
332 | void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt) | |
333 | { | |
334 | QemuInputHandlerState *s; | |
335 | ||
336 | qemu_input_event_trace(src, evt); | |
337 | ||
338 | /* pre processing */ | |
339 | if (graphic_rotate && (evt->type == INPUT_EVENT_KIND_ABS)) { | |
340 | qemu_input_transform_abs_rotate(evt); | |
341 | } | |
342 | ||
343 | /* send event */ | |
344 | s = qemu_input_find_handler(1 << evt->type, src); | |
345 | if (!s) { | |
346 | return; | |
347 | } | |
348 | s->handler->event(s->dev, src, evt); | |
349 | s->events++; | |
350 | } | |
351 | ||
352 | void qemu_input_event_send(QemuConsole *src, InputEvent *evt) | |
353 | { | |
354 | /* Expect all parts of QEMU to send events with QCodes exclusively. | |
355 | * Key numbers are only supported as end-user input via QMP */ | |
356 | assert(!(evt->type == INPUT_EVENT_KIND_KEY && | |
357 | evt->u.key.data->key->type == KEY_VALUE_KIND_NUMBER)); | |
358 | ||
359 | ||
360 | /* | |
361 | * 'sysrq' was mistakenly added to hack around the fact that | |
362 | * the ps2 driver was not generating correct scancodes sequences | |
363 | * when 'alt+print' was pressed. This flaw is now fixed and the | |
364 | * 'sysrq' key serves no further purpose. We normalize it to | |
365 | * 'print', so that downstream receivers of the event don't | |
366 | * neeed to deal with this mistake | |
367 | */ | |
368 | if (evt->type == INPUT_EVENT_KIND_KEY && | |
369 | evt->u.key.data->key->u.qcode.data == Q_KEY_CODE_SYSRQ) { | |
370 | evt->u.key.data->key->u.qcode.data = Q_KEY_CODE_PRINT; | |
371 | } | |
372 | ||
373 | if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { | |
374 | return; | |
375 | } | |
376 | ||
377 | replay_input_event(src, evt); | |
378 | } | |
379 | ||
380 | void qemu_input_event_sync_impl(void) | |
381 | { | |
382 | QemuInputHandlerState *s; | |
383 | ||
384 | trace_input_event_sync(); | |
385 | ||
386 | QTAILQ_FOREACH(s, &handlers, node) { | |
387 | if (!s->events) { | |
388 | continue; | |
389 | } | |
390 | if (s->handler->sync) { | |
391 | s->handler->sync(s->dev); | |
392 | } | |
393 | s->events = 0; | |
394 | } | |
395 | } | |
396 | ||
397 | void qemu_input_event_sync(void) | |
398 | { | |
399 | if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { | |
400 | return; | |
401 | } | |
402 | ||
403 | replay_input_sync_event(); | |
404 | } | |
405 | ||
406 | static InputEvent *qemu_input_event_new_key(KeyValue *key, bool down) | |
407 | { | |
408 | InputEvent *evt = g_new0(InputEvent, 1); | |
409 | evt->u.key.data = g_new0(InputKeyEvent, 1); | |
410 | evt->type = INPUT_EVENT_KIND_KEY; | |
411 | evt->u.key.data->key = key; | |
412 | evt->u.key.data->down = down; | |
413 | return evt; | |
414 | } | |
415 | ||
416 | void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down) | |
417 | { | |
418 | InputEvent *evt; | |
419 | evt = qemu_input_event_new_key(key, down); | |
420 | if (QTAILQ_EMPTY(&kbd_queue)) { | |
421 | qemu_input_event_send(src, evt); | |
422 | qemu_input_event_sync(); | |
423 | qapi_free_InputEvent(evt); | |
424 | } else if (queue_count < queue_limit) { | |
425 | qemu_input_queue_event(&kbd_queue, src, evt); | |
426 | qemu_input_queue_sync(&kbd_queue); | |
427 | } else { | |
428 | qapi_free_InputEvent(evt); | |
429 | } | |
430 | } | |
431 | ||
432 | void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down) | |
433 | { | |
434 | QKeyCode code = qemu_input_key_number_to_qcode(num); | |
435 | qemu_input_event_send_key_qcode(src, code, down); | |
436 | } | |
437 | ||
438 | void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down) | |
439 | { | |
440 | KeyValue *key = g_new0(KeyValue, 1); | |
441 | key->type = KEY_VALUE_KIND_QCODE; | |
442 | key->u.qcode.data = q; | |
443 | qemu_input_event_send_key(src, key, down); | |
444 | } | |
445 | ||
446 | void qemu_input_event_send_key_delay(uint32_t delay_ms) | |
447 | { | |
448 | if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { | |
449 | return; | |
450 | } | |
451 | ||
452 | if (!kbd_timer) { | |
453 | kbd_timer = timer_new_full(NULL, QEMU_CLOCK_VIRTUAL, | |
454 | SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL, | |
455 | qemu_input_queue_process, &kbd_queue); | |
456 | } | |
457 | if (queue_count < queue_limit) { | |
458 | qemu_input_queue_delay(&kbd_queue, kbd_timer, | |
459 | delay_ms ? delay_ms : kbd_default_delay_ms); | |
460 | } | |
461 | } | |
462 | ||
463 | void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down) | |
464 | { | |
465 | InputBtnEvent bevt = { | |
466 | .button = btn, | |
467 | .down = down, | |
468 | }; | |
469 | InputEvent evt = { | |
470 | .type = INPUT_EVENT_KIND_BTN, | |
471 | .u.btn.data = &bevt, | |
472 | }; | |
473 | ||
474 | qemu_input_event_send(src, &evt); | |
475 | } | |
476 | ||
477 | void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, | |
478 | uint32_t button_old, uint32_t button_new) | |
479 | { | |
480 | InputButton btn; | |
481 | uint32_t mask; | |
482 | ||
483 | for (btn = 0; btn < INPUT_BUTTON__MAX; btn++) { | |
484 | mask = button_map[btn]; | |
485 | if ((button_old & mask) == (button_new & mask)) { | |
486 | continue; | |
487 | } | |
488 | qemu_input_queue_btn(src, btn, button_new & mask); | |
489 | } | |
490 | } | |
491 | ||
492 | bool qemu_input_is_absolute(void) | |
493 | { | |
494 | QemuInputHandlerState *s; | |
495 | ||
496 | s = qemu_input_find_handler(INPUT_EVENT_MASK_REL | INPUT_EVENT_MASK_ABS, | |
497 | NULL); | |
498 | return (s != NULL) && (s->handler->mask & INPUT_EVENT_MASK_ABS); | |
499 | } | |
500 | ||
501 | int qemu_input_scale_axis(int value, | |
502 | int min_in, int max_in, | |
503 | int min_out, int max_out) | |
504 | { | |
505 | int64_t range_in = (int64_t)max_in - min_in; | |
506 | int64_t range_out = (int64_t)max_out - min_out; | |
507 | ||
508 | if (range_in < 1) { | |
509 | return min_out + range_out / 2; | |
510 | } | |
511 | return ((int64_t)value - min_in) * range_out / range_in + min_out; | |
512 | } | |
513 | ||
514 | void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value) | |
515 | { | |
516 | InputMoveEvent move = { | |
517 | .axis = axis, | |
518 | .value = value, | |
519 | }; | |
520 | InputEvent evt = { | |
521 | .type = INPUT_EVENT_KIND_REL, | |
522 | .u.rel.data = &move, | |
523 | }; | |
524 | ||
525 | qemu_input_event_send(src, &evt); | |
526 | } | |
527 | ||
528 | void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, | |
529 | int min_in, int max_in) | |
530 | { | |
531 | InputMoveEvent move = { | |
532 | .axis = axis, | |
533 | .value = qemu_input_scale_axis(value, min_in, max_in, | |
534 | INPUT_EVENT_ABS_MIN, | |
535 | INPUT_EVENT_ABS_MAX), | |
536 | }; | |
537 | InputEvent evt = { | |
538 | .type = INPUT_EVENT_KIND_ABS, | |
539 | .u.abs.data = &move, | |
540 | }; | |
541 | ||
542 | qemu_input_event_send(src, &evt); | |
543 | } | |
544 | ||
545 | void qemu_input_check_mode_change(void) | |
546 | { | |
547 | static int current_is_absolute; | |
548 | int is_absolute; | |
549 | ||
550 | is_absolute = qemu_input_is_absolute(); | |
551 | ||
552 | if (is_absolute != current_is_absolute) { | |
553 | trace_input_mouse_mode(is_absolute); | |
554 | notifier_list_notify(&mouse_mode_notifiers, NULL); | |
555 | } | |
556 | ||
557 | current_is_absolute = is_absolute; | |
558 | } | |
559 | ||
560 | void qemu_add_mouse_mode_change_notifier(Notifier *notify) | |
561 | { | |
562 | notifier_list_add(&mouse_mode_notifiers, notify); | |
563 | } | |
564 | ||
565 | void qemu_remove_mouse_mode_change_notifier(Notifier *notify) | |
566 | { | |
567 | notifier_remove(notify); | |
568 | } | |
569 | ||
570 | MouseInfoList *qmp_query_mice(Error **errp) | |
571 | { | |
572 | MouseInfoList *mice_list = NULL; | |
573 | MouseInfoList *info; | |
574 | QemuInputHandlerState *s; | |
575 | bool current = true; | |
576 | ||
577 | QTAILQ_FOREACH(s, &handlers, node) { | |
578 | if (!(s->handler->mask & | |
579 | (INPUT_EVENT_MASK_REL | INPUT_EVENT_MASK_ABS))) { | |
580 | continue; | |
581 | } | |
582 | ||
583 | info = g_new0(MouseInfoList, 1); | |
584 | info->value = g_new0(MouseInfo, 1); | |
585 | info->value->index = s->id; | |
586 | info->value->name = g_strdup(s->handler->name); | |
587 | info->value->absolute = s->handler->mask & INPUT_EVENT_MASK_ABS; | |
588 | info->value->current = current; | |
589 | ||
590 | current = false; | |
591 | info->next = mice_list; | |
592 | mice_list = info; | |
593 | } | |
594 | ||
595 | return mice_list; | |
596 | } | |
597 | ||
598 | void hmp_mouse_set(Monitor *mon, const QDict *qdict) | |
599 | { | |
600 | QemuInputHandlerState *s; | |
601 | int index = qdict_get_int(qdict, "index"); | |
602 | int found = 0; | |
603 | ||
604 | QTAILQ_FOREACH(s, &handlers, node) { | |
605 | if (s->id != index) { | |
606 | continue; | |
607 | } | |
608 | if (!(s->handler->mask & (INPUT_EVENT_MASK_REL | | |
609 | INPUT_EVENT_MASK_ABS))) { | |
610 | error_report("Input device '%s' is not a mouse", s->handler->name); | |
611 | return; | |
612 | } | |
613 | found = 1; | |
614 | qemu_input_handler_activate(s); | |
615 | break; | |
616 | } | |
617 | ||
618 | if (!found) { | |
619 | error_report("Mouse at index '%d' not found", index); | |
620 | } | |
621 | ||
622 | qemu_input_check_mode_change(); | |
623 | } |