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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 "sysemu/sysemu.h" | |
27 | #include "ui/console.h" | |
28 | #include "qmp-commands.h" | |
29 | #include "qapi-types.h" | |
30 | #include "ui/keymaps.h" | |
31 | #include "ui/input.h" | |
32 | ||
33 | struct QEMUPutMouseEntry { | |
34 | QEMUPutMouseEvent *qemu_put_mouse_event; | |
35 | void *qemu_put_mouse_event_opaque; | |
36 | int qemu_put_mouse_event_absolute; | |
37 | ||
38 | /* new input core */ | |
39 | QemuInputHandler h; | |
40 | QemuInputHandlerState *s; | |
41 | int axis[INPUT_AXIS__MAX]; | |
42 | int buttons; | |
43 | }; | |
44 | ||
45 | struct QEMUPutKbdEntry { | |
46 | QEMUPutKBDEvent *put_kbd; | |
47 | void *opaque; | |
48 | QemuInputHandlerState *s; | |
49 | }; | |
50 | ||
51 | struct QEMUPutLEDEntry { | |
52 | QEMUPutLEDEvent *put_led; | |
53 | void *opaque; | |
54 | QTAILQ_ENTRY(QEMUPutLEDEntry) next; | |
55 | }; | |
56 | ||
57 | static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = | |
58 | QTAILQ_HEAD_INITIALIZER(led_handlers); | |
59 | ||
60 | int index_from_key(const char *key, size_t key_length) | |
61 | { | |
62 | int i; | |
63 | ||
64 | for (i = 0; QKeyCode_lookup[i] != NULL; i++) { | |
65 | if (!strncmp(key, QKeyCode_lookup[i], key_length) && | |
66 | !QKeyCode_lookup[i][key_length]) { | |
67 | break; | |
68 | } | |
69 | } | |
70 | ||
71 | /* Return Q_KEY_CODE__MAX if the key is invalid */ | |
72 | return i; | |
73 | } | |
74 | ||
75 | static KeyValue *copy_key_value(KeyValue *src) | |
76 | { | |
77 | KeyValue *dst = g_new(KeyValue, 1); | |
78 | memcpy(dst, src, sizeof(*src)); | |
79 | return dst; | |
80 | } | |
81 | ||
82 | void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time, | |
83 | Error **errp) | |
84 | { | |
85 | KeyValueList *p; | |
86 | KeyValue **up = NULL; | |
87 | int count = 0; | |
88 | ||
89 | if (!has_hold_time) { | |
90 | hold_time = 0; /* use default */ | |
91 | } | |
92 | ||
93 | for (p = keys; p != NULL; p = p->next) { | |
94 | qemu_input_event_send_key(NULL, copy_key_value(p->value), true); | |
95 | qemu_input_event_send_key_delay(hold_time); | |
96 | up = g_realloc(up, sizeof(*up) * (count+1)); | |
97 | up[count] = copy_key_value(p->value); | |
98 | count++; | |
99 | } | |
100 | while (count) { | |
101 | count--; | |
102 | qemu_input_event_send_key(NULL, up[count], false); | |
103 | qemu_input_event_send_key_delay(hold_time); | |
104 | } | |
105 | g_free(up); | |
106 | } | |
107 | ||
108 | static void legacy_kbd_event(DeviceState *dev, QemuConsole *src, | |
109 | InputEvent *evt) | |
110 | { | |
111 | QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev; | |
112 | int scancodes[3], i, count; | |
113 | InputKeyEvent *key = evt->u.key.data; | |
114 | ||
115 | if (!entry || !entry->put_kbd) { | |
116 | return; | |
117 | } | |
118 | count = qemu_input_key_value_to_scancode(key->key, | |
119 | key->down, | |
120 | scancodes); | |
121 | for (i = 0; i < count; i++) { | |
122 | entry->put_kbd(entry->opaque, scancodes[i]); | |
123 | } | |
124 | } | |
125 | ||
126 | static QemuInputHandler legacy_kbd_handler = { | |
127 | .name = "legacy-kbd", | |
128 | .mask = INPUT_EVENT_MASK_KEY, | |
129 | .event = legacy_kbd_event, | |
130 | }; | |
131 | ||
132 | QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
133 | { | |
134 | QEMUPutKbdEntry *entry; | |
135 | ||
136 | entry = g_new0(QEMUPutKbdEntry, 1); | |
137 | entry->put_kbd = func; | |
138 | entry->opaque = opaque; | |
139 | entry->s = qemu_input_handler_register((DeviceState *)entry, | |
140 | &legacy_kbd_handler); | |
141 | qemu_input_handler_activate(entry->s); | |
142 | return entry; | |
143 | } | |
144 | ||
145 | static void legacy_mouse_event(DeviceState *dev, QemuConsole *src, | |
146 | InputEvent *evt) | |
147 | { | |
148 | static const int bmap[INPUT_BUTTON__MAX] = { | |
149 | [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, | |
150 | [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, | |
151 | [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, | |
152 | }; | |
153 | QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev; | |
154 | InputBtnEvent *btn; | |
155 | InputMoveEvent *move; | |
156 | ||
157 | switch (evt->type) { | |
158 | case INPUT_EVENT_KIND_BTN: | |
159 | btn = evt->u.btn.data; | |
160 | if (btn->down) { | |
161 | s->buttons |= bmap[btn->button]; | |
162 | } else { | |
163 | s->buttons &= ~bmap[btn->button]; | |
164 | } | |
165 | if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) { | |
166 | s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque, | |
167 | s->axis[INPUT_AXIS_X], | |
168 | s->axis[INPUT_AXIS_Y], | |
169 | -1, | |
170 | s->buttons); | |
171 | } | |
172 | if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) { | |
173 | s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque, | |
174 | s->axis[INPUT_AXIS_X], | |
175 | s->axis[INPUT_AXIS_Y], | |
176 | 1, | |
177 | s->buttons); | |
178 | } | |
179 | break; | |
180 | case INPUT_EVENT_KIND_ABS: | |
181 | move = evt->u.abs.data; | |
182 | s->axis[move->axis] = move->value; | |
183 | break; | |
184 | case INPUT_EVENT_KIND_REL: | |
185 | move = evt->u.rel.data; | |
186 | s->axis[move->axis] += move->value; | |
187 | break; | |
188 | default: | |
189 | break; | |
190 | } | |
191 | } | |
192 | ||
193 | static void legacy_mouse_sync(DeviceState *dev) | |
194 | { | |
195 | QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev; | |
196 | ||
197 | s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque, | |
198 | s->axis[INPUT_AXIS_X], | |
199 | s->axis[INPUT_AXIS_Y], | |
200 | 0, | |
201 | s->buttons); | |
202 | ||
203 | if (!s->qemu_put_mouse_event_absolute) { | |
204 | s->axis[INPUT_AXIS_X] = 0; | |
205 | s->axis[INPUT_AXIS_Y] = 0; | |
206 | } | |
207 | } | |
208 | ||
209 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
210 | void *opaque, int absolute, | |
211 | const char *name) | |
212 | { | |
213 | QEMUPutMouseEntry *s; | |
214 | ||
215 | s = g_new0(QEMUPutMouseEntry, 1); | |
216 | ||
217 | s->qemu_put_mouse_event = func; | |
218 | s->qemu_put_mouse_event_opaque = opaque; | |
219 | s->qemu_put_mouse_event_absolute = absolute; | |
220 | ||
221 | s->h.name = name; | |
222 | s->h.mask = INPUT_EVENT_MASK_BTN | | |
223 | (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL); | |
224 | s->h.event = legacy_mouse_event; | |
225 | s->h.sync = legacy_mouse_sync; | |
226 | s->s = qemu_input_handler_register((DeviceState *)s, | |
227 | &s->h); | |
228 | ||
229 | return s; | |
230 | } | |
231 | ||
232 | void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry) | |
233 | { | |
234 | qemu_input_handler_activate(entry->s); | |
235 | } | |
236 | ||
237 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
238 | { | |
239 | qemu_input_handler_unregister(entry->s); | |
240 | ||
241 | g_free(entry); | |
242 | } | |
243 | ||
244 | QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, | |
245 | void *opaque) | |
246 | { | |
247 | QEMUPutLEDEntry *s; | |
248 | ||
249 | s = g_new0(QEMUPutLEDEntry, 1); | |
250 | ||
251 | s->put_led = func; | |
252 | s->opaque = opaque; | |
253 | QTAILQ_INSERT_TAIL(&led_handlers, s, next); | |
254 | return s; | |
255 | } | |
256 | ||
257 | void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry) | |
258 | { | |
259 | if (entry == NULL) | |
260 | return; | |
261 | QTAILQ_REMOVE(&led_handlers, entry, next); | |
262 | g_free(entry); | |
263 | } | |
264 | ||
265 | void kbd_put_ledstate(int ledstate) | |
266 | { | |
267 | QEMUPutLEDEntry *cursor; | |
268 | ||
269 | QTAILQ_FOREACH(cursor, &led_handlers, next) { | |
270 | cursor->put_led(cursor->opaque, ledstate); | |
271 | } | |
272 | } |