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_mouse_event(DeviceState * dev,QemuConsole * src,InputEvent * evt)112 static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
113 InputEvent *evt)
114 {
115 static const int bmap[INPUT_BUTTON__MAX] = {
116 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
117 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
118 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
119 };
120 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
121 InputBtnEvent *btn;
122 InputMoveEvent *move;
123
124 switch (evt->type) {
125 case INPUT_EVENT_KIND_BTN:
126 btn = evt->u.btn.data;
127 if (btn->down) {
128 s->buttons |= bmap[btn->button];
129 } else {
130 s->buttons &= ~bmap[btn->button];
131 }
132 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) {
133 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
134 s->axis[INPUT_AXIS_X],
135 s->axis[INPUT_AXIS_Y],
136 -1,
137 s->buttons);
138 }
139 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) {
140 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
141 s->axis[INPUT_AXIS_X],
142 s->axis[INPUT_AXIS_Y],
143 1,
144 s->buttons);
145 }
146 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_RIGHT) {
147 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
148 s->axis[INPUT_AXIS_X],
149 s->axis[INPUT_AXIS_Y],
150 -2,
151 s->buttons);
152 }
153 if (btn->down && btn->button == INPUT_BUTTON_WHEEL_LEFT) {
154 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
155 s->axis[INPUT_AXIS_X],
156 s->axis[INPUT_AXIS_Y],
157 2,
158 s->buttons);
159 }
160 break;
161 case INPUT_EVENT_KIND_ABS:
162 move = evt->u.abs.data;
163 s->axis[move->axis] = move->value;
164 break;
165 case INPUT_EVENT_KIND_REL:
166 move = evt->u.rel.data;
167 s->axis[move->axis] += move->value;
168 break;
169 default:
170 break;
171 }
172 }
173
legacy_mouse_sync(DeviceState * dev)174 static void legacy_mouse_sync(DeviceState *dev)
175 {
176 QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
177
178 s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
179 s->axis[INPUT_AXIS_X],
180 s->axis[INPUT_AXIS_Y],
181 0,
182 s->buttons);
183
184 if (!s->qemu_put_mouse_event_absolute) {
185 s->axis[INPUT_AXIS_X] = 0;
186 s->axis[INPUT_AXIS_Y] = 0;
187 }
188 }
189
qemu_add_mouse_event_handler(QEMUPutMouseEvent * func,void * opaque,int absolute,const char * name)190 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
191 void *opaque, int absolute,
192 const char *name)
193 {
194 QEMUPutMouseEntry *s;
195
196 s = g_new0(QEMUPutMouseEntry, 1);
197
198 s->qemu_put_mouse_event = func;
199 s->qemu_put_mouse_event_opaque = opaque;
200 s->qemu_put_mouse_event_absolute = absolute;
201
202 s->h.name = name;
203 s->h.mask = INPUT_EVENT_MASK_BTN |
204 (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
205 s->h.event = legacy_mouse_event;
206 s->h.sync = legacy_mouse_sync;
207 s->s = qemu_input_handler_register((DeviceState *)s,
208 &s->h);
209
210 return s;
211 }
212
qemu_activate_mouse_event_handler(QEMUPutMouseEntry * entry)213 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
214 {
215 qemu_input_handler_activate(entry->s);
216 }
217
qemu_remove_mouse_event_handler(QEMUPutMouseEntry * entry)218 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
219 {
220 qemu_input_handler_unregister(entry->s);
221
222 g_free(entry);
223 }
224
qemu_add_led_event_handler(QEMUPutLEDEvent * func,void * opaque)225 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
226 void *opaque)
227 {
228 QEMUPutLEDEntry *s;
229
230 s = g_new0(QEMUPutLEDEntry, 1);
231
232 s->put_led = func;
233 s->opaque = opaque;
234 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
235 return s;
236 }
237
qemu_remove_led_event_handler(QEMUPutLEDEntry * entry)238 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
239 {
240 if (entry == NULL)
241 return;
242 QTAILQ_REMOVE(&led_handlers, entry, next);
243 g_free(entry);
244 }
245
kbd_put_ledstate(int ledstate)246 void kbd_put_ledstate(int ledstate)
247 {
248 QEMUPutLEDEntry *cursor;
249
250 QTAILQ_FOREACH(cursor, &led_handlers, next) {
251 cursor->put_led(cursor->opaque, ledstate);
252 }
253 }
254