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68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
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 "sysemu.h"
26 #include "net.h"
27 #include "monitor.h"
28 #include "console.h"
29 #include "qjson.h"
30
31 static QEMUPutKBDEvent *qemu_put_kbd_event;
32 static void *qemu_put_kbd_event_opaque;
33 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
34 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
35 QTAILQ_HEAD_INITIALIZER(mouse_handlers);
36 static NotifierList mouse_mode_notifiers =
37 NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
38
39 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
40 {
41 qemu_put_kbd_event_opaque = opaque;
42 qemu_put_kbd_event = func;
43 }
44
45 void qemu_remove_kbd_event_handler(void)
46 {
47 qemu_put_kbd_event_opaque = NULL;
48 qemu_put_kbd_event = NULL;
49 }
50
51 static void check_mode_change(void)
52 {
53 static int current_is_absolute, current_has_absolute;
54 int is_absolute;
55 int has_absolute;
56
57 is_absolute = kbd_mouse_is_absolute();
58 has_absolute = kbd_mouse_has_absolute();
59
60 if (is_absolute != current_is_absolute ||
61 has_absolute != current_has_absolute) {
62 notifier_list_notify(&mouse_mode_notifiers);
63 }
64
65 current_is_absolute = is_absolute;
66 current_has_absolute = has_absolute;
67 }
68
69 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
70 void *opaque, int absolute,
71 const char *name)
72 {
73 QEMUPutMouseEntry *s;
74 static int mouse_index = 0;
75
76 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
77
78 s->qemu_put_mouse_event = func;
79 s->qemu_put_mouse_event_opaque = opaque;
80 s->qemu_put_mouse_event_absolute = absolute;
81 s->qemu_put_mouse_event_name = qemu_strdup(name);
82 s->index = mouse_index++;
83
84 QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
85
86 check_mode_change();
87
88 return s;
89 }
90
91 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
92 {
93 QTAILQ_REMOVE(&mouse_handlers, entry, node);
94 QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
95
96 check_mode_change();
97 }
98
99 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
100 {
101 QTAILQ_REMOVE(&mouse_handlers, entry, node);
102
103 qemu_free(entry->qemu_put_mouse_event_name);
104 qemu_free(entry);
105
106 check_mode_change();
107 }
108
109 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
110 void *opaque)
111 {
112 QEMUPutLEDEntry *s;
113
114 s = qemu_mallocz(sizeof(QEMUPutLEDEntry));
115
116 s->put_led = func;
117 s->opaque = opaque;
118 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
119 return s;
120 }
121
122 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
123 {
124 if (entry == NULL)
125 return;
126 QTAILQ_REMOVE(&led_handlers, entry, next);
127 qemu_free(entry);
128 }
129
130 void kbd_put_keycode(int keycode)
131 {
132 if (qemu_put_kbd_event) {
133 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
134 }
135 }
136
137 void kbd_put_ledstate(int ledstate)
138 {
139 QEMUPutLEDEntry *cursor;
140
141 QTAILQ_FOREACH(cursor, &led_handlers, next) {
142 cursor->put_led(cursor->opaque, ledstate);
143 }
144 }
145
146 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
147 {
148 QEMUPutMouseEntry *entry;
149 QEMUPutMouseEvent *mouse_event;
150 void *mouse_event_opaque;
151 int width;
152
153 if (QTAILQ_EMPTY(&mouse_handlers)) {
154 return;
155 }
156
157 entry = QTAILQ_FIRST(&mouse_handlers);
158
159 mouse_event = entry->qemu_put_mouse_event;
160 mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
161
162 if (mouse_event) {
163 if (graphic_rotate) {
164 if (entry->qemu_put_mouse_event_absolute)
165 width = 0x7fff;
166 else
167 width = graphic_width - 1;
168 mouse_event(mouse_event_opaque,
169 width - dy, dx, dz, buttons_state);
170 } else
171 mouse_event(mouse_event_opaque,
172 dx, dy, dz, buttons_state);
173 }
174 }
175
176 int kbd_mouse_is_absolute(void)
177 {
178 if (QTAILQ_EMPTY(&mouse_handlers)) {
179 return 0;
180 }
181
182 return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
183 }
184
185 int kbd_mouse_has_absolute(void)
186 {
187 QEMUPutMouseEntry *entry;
188
189 QTAILQ_FOREACH(entry, &mouse_handlers, node) {
190 if (entry->qemu_put_mouse_event_absolute) {
191 return 1;
192 }
193 }
194
195 return 0;
196 }
197
198 static void info_mice_iter(QObject *data, void *opaque)
199 {
200 QDict *mouse;
201 Monitor *mon = opaque;
202
203 mouse = qobject_to_qdict(data);
204 monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
205 (qdict_get_bool(mouse, "current") ? '*' : ' '),
206 qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name"),
207 qdict_get_bool(mouse, "absolute") ? " (absolute)" : "");
208 }
209
210 void do_info_mice_print(Monitor *mon, const QObject *data)
211 {
212 QList *mice_list;
213
214 mice_list = qobject_to_qlist(data);
215 if (qlist_empty(mice_list)) {
216 monitor_printf(mon, "No mouse devices connected\n");
217 return;
218 }
219
220 qlist_iter(mice_list, info_mice_iter, mon);
221 }
222
223 void do_info_mice(Monitor *mon, QObject **ret_data)
224 {
225 QEMUPutMouseEntry *cursor;
226 QList *mice_list;
227 int current;
228
229 mice_list = qlist_new();
230
231 if (QTAILQ_EMPTY(&mouse_handlers)) {
232 goto out;
233 }
234
235 current = QTAILQ_FIRST(&mouse_handlers)->index;
236
237 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
238 QObject *obj;
239 obj = qobject_from_jsonf("{ 'name': %s,"
240 " 'index': %d,"
241 " 'current': %i,"
242 " 'absolute': %i }",
243 cursor->qemu_put_mouse_event_name,
244 cursor->index,
245 cursor->index == current,
246 !!cursor->qemu_put_mouse_event_absolute);
247 qlist_append_obj(mice_list, obj);
248 }
249
250 out:
251 *ret_data = QOBJECT(mice_list);
252 }
253
254 void do_mouse_set(Monitor *mon, const QDict *qdict)
255 {
256 QEMUPutMouseEntry *cursor;
257 int index = qdict_get_int(qdict, "index");
258 int found = 0;
259
260 if (QTAILQ_EMPTY(&mouse_handlers)) {
261 monitor_printf(mon, "No mouse devices connected\n");
262 return;
263 }
264
265 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
266 if (cursor->index == index) {
267 found = 1;
268 qemu_activate_mouse_event_handler(cursor);
269 break;
270 }
271 }
272
273 if (!found) {
274 monitor_printf(mon, "Mouse at given index not found\n");
275 }
276
277 check_mode_change();
278 }
279
280 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
281 {
282 notifier_list_add(&mouse_mode_notifiers, notify);
283 }
284
285 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
286 {
287 notifier_list_remove(&mouse_mode_notifiers, notify);
288 }
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