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 "qemu/log.h"
27 #include "qapi/qapi-commands-ui.h"
28 #include "ui/console.h"
29 #include "keymaps.h"
30 #include "ui/input.h"
31
32 struct QEMUPutMouseEntry {
33 QEMUPutMouseEvent *qemu_put_mouse_event;
34 void *qemu_put_mouse_event_opaque;
35 int qemu_put_mouse_event_absolute;
36
37 /* new input core */
38 QemuInputHandler h;
39 QemuInputHandlerState *s;
40 int axis[INPUT_AXIS__MAX];
41 int buttons;
42 };
43
44 struct QEMUPutKbdEntry {
45 QEMUPutKBDEvent *put_kbd;
46 void *opaque;
47 QemuInputHandlerState *s;
48 };
49
50 struct QEMUPutLEDEntry {
51 QEMUPutLEDEvent *put_led;
52 void *opaque;
53 QTAILQ_ENTRY(QEMUPutLEDEntry) next;
54 };
55
56 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
57 QTAILQ_HEAD_INITIALIZER(led_handlers);
58
index_from_key(const char * key,size_t key_length)59 int index_from_key(const char *key, size_t key_length)
60 {
61 int i;
62
63 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
64 if (!strncmp(key, QKeyCode_str(i), key_length) &&
65 !QKeyCode_str(i)[key_length]) {
66 break;
67 }
68 }
69
70 /* Return Q_KEY_CODE__MAX if the key is invalid */
71 return i;
72 }
73
copy_key_value(KeyValue * src)74 static KeyValue *copy_key_value(KeyValue *src)
75 {
76 KeyValue *dst = g_new(KeyValue, 1);
77 memcpy(dst, src, sizeof(*src));
78 if (dst->type == KEY_VALUE_KIND_NUMBER) {
79 QKeyCode code = qemu_input_key_number_to_qcode(dst->u.number.data);
80 dst->type = KEY_VALUE_KIND_QCODE;
81 dst->u.qcode.data = code;
82 }
83 return dst;
84 }
85
qmp_send_key(KeyValueList * keys,bool has_hold_time,int64_t hold_time,Error ** errp)86 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
87 Error **errp)
88 {
89 KeyValueList *p;
90 KeyValue **up = NULL;
91 int count = 0;
92
93 if (!has_hold_time) {
94 hold_time = 0; /* use default */
95 }
96
97 for (p = keys; p != NULL; p = p->next) {
98 qemu_input_event_send_key(NULL, copy_key_value(p->value), true);
99 qemu_input_event_send_key_delay(hold_time);
100 up = g_realloc(up, sizeof(*up) * (count+1));
101 up[count] = copy_key_value(p->value);
102 count++;
103 }
104 while (count) {
105 count--;
106 qemu_input_event_send_key(NULL, up[count], false);
107 qemu_input_event_send_key_delay(hold_time);
108 }
109 g_free(up);
110 }
111
legacy_kbd_event(DeviceState * dev,QemuConsole * src,InputEvent * evt)112 static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
113 InputEvent *evt)
114 {
115 QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
116 int scancodes[3], i, count;
117 InputKeyEvent *key = evt->u.key.data;
118
119 if (!entry || !entry->put_kbd) {
120 return;
121 }
122 count = qemu_input_key_value_to_scancode(key->key,
123 key->down,
124 scancodes);
125 for (i = 0; i < count; i++) {
126 entry->put_kbd(entry->opaque, scancodes[i]);
127 }
128 }
129
130 static const QemuInputHandler legacy_kbd_handler = {
131 .name = "legacy-kbd",
132 .mask = INPUT_EVENT_MASK_KEY,
133 .event = legacy_kbd_event,
134 };
135
qemu_add_kbd_event_handler(QEMUPutKBDEvent * func,void * opaque)136 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
137 {
138 QEMUPutKbdEntry *entry;
139
140 entry = g_new0(QEMUPutKbdEntry, 1);
141 entry->put_kbd = func;
142 entry->opaque = opaque;
143 entry->s = qemu_input_handler_register((DeviceState *)entry,
144 &legacy_kbd_handler);
145 qemu_input_handler_activate(entry->s);
146 return entry;
147 }
148
legacy_mouse_event(DeviceState * dev,QemuConsole * src,InputEvent * evt)149 static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
150 InputEvent *evt)
151 {
152 static const int bmap[INPUT_BUTTON__MAX] = {
153 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
154 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
155 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
156 };
157 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
158 InputBtnEvent *btn;
159 InputMoveEvent *move;
160
161 switch (evt->type) {
162 case INPUT_EVENT_KIND_BTN:
163 btn = evt->u.btn.data;
164 if (btn->down) {
165 s->buttons |= bmap[btn->button];
166 } else {
167 s->buttons &= ~bmap[btn->button];
168 }
169 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) {
170 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
171 s->axis[INPUT_AXIS_X],
172 s->axis[INPUT_AXIS_Y],
173 -1,
174 s->buttons);
175 }
176 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) {
177 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
178 s->axis[INPUT_AXIS_X],
179 s->axis[INPUT_AXIS_Y],
180 1,
181 s->buttons);
182 }
183 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_RIGHT) {
184 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
185 s->axis[INPUT_AXIS_X],
186 s->axis[INPUT_AXIS_Y],
187 -2,
188 s->buttons);
189 }
190 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_LEFT) {
191 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
192 s->axis[INPUT_AXIS_X],
193 s->axis[INPUT_AXIS_Y],
194 2,
195 s->buttons);
196 }
197 break;
198 case INPUT_EVENT_KIND_ABS:
199 move = evt->u.abs.data;
200 s->axis[move->axis] = move->value;
201 break;
202 case INPUT_EVENT_KIND_REL:
203 move = evt->u.rel.data;
204 s->axis[move->axis] += move->value;
205 break;
206 default:
207 break;
208 }
209 }
210
legacy_mouse_sync(DeviceState * dev)211 static void legacy_mouse_sync(DeviceState *dev)
212 {
213 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
214
215 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
216 s->axis[INPUT_AXIS_X],
217 s->axis[INPUT_AXIS_Y],
218 0,
219 s->buttons);
220
221 if (!s->qemu_put_mouse_event_absolute) {
222 s->axis[INPUT_AXIS_X] = 0;
223 s->axis[INPUT_AXIS_Y] = 0;
224 }
225 }
226
qemu_add_mouse_event_handler(QEMUPutMouseEvent * func,void * opaque,int absolute,const char * name)227 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
228 void *opaque, int absolute,
229 const char *name)
230 {
231 QEMUPutMouseEntry *s;
232
233 s = g_new0(QEMUPutMouseEntry, 1);
234
235 s->qemu_put_mouse_event = func;
236 s->qemu_put_mouse_event_opaque = opaque;
237 s->qemu_put_mouse_event_absolute = absolute;
238
239 s->h.name = name;
240 s->h.mask = INPUT_EVENT_MASK_BTN |
241 (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
242 s->h.event = legacy_mouse_event;
243 s->h.sync = legacy_mouse_sync;
244 s->s = qemu_input_handler_register((DeviceState *)s,
245 &s->h);
246
247 return s;
248 }
249
qemu_activate_mouse_event_handler(QEMUPutMouseEntry * entry)250 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
251 {
252 qemu_input_handler_activate(entry->s);
253 }
254
qemu_remove_mouse_event_handler(QEMUPutMouseEntry * entry)255 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
256 {
257 qemu_input_handler_unregister(entry->s);
258
259 g_free(entry);
260 }
261
qemu_add_led_event_handler(QEMUPutLEDEvent * func,void * opaque)262 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
263 void *opaque)
264 {
265 QEMUPutLEDEntry *s;
266
267 s = g_new0(QEMUPutLEDEntry, 1);
268
269 s->put_led = func;
270 s->opaque = opaque;
271 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
272 return s;
273 }
274
qemu_remove_led_event_handler(QEMUPutLEDEntry * entry)275 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
276 {
277 if (entry == NULL)
278 return;
279 QTAILQ_REMOVE(&led_handlers, entry, next);
280 g_free(entry);
281 }
282
kbd_put_ledstate(int ledstate)283 void kbd_put_ledstate(int ledstate)
284 {
285 QEMUPutLEDEntry *cursor;
286
287 QTAILQ_FOREACH(cursor, &led_handlers, next) {
288 cursor->put_led(cursor->opaque, ledstate);
289 }
290 }
291