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/sysemu.h"
26 #include "net/net.h"
27 #include "monitor/monitor.h"
28 #include "ui/console.h"
29 #include "qapi/qmp/qjson.h"
30
31 #ifdef CONFIG_SKINNING
32 QEMUPutMouseEntry *original_qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
33 void *opaque, int absolute,
34 const char *name);
35 #undef qemu_add_mouse_event_handler
36 #define qemu_add_mouse_event_handler original_qemu_add_mouse_event_handler
37 #endif
38 static QTAILQ_HEAD(, QEMUPutKBDEntry) kbd_handlers =
39 QTAILQ_HEAD_INITIALIZER(kbd_handlers);
40 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
41 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
42 QTAILQ_HEAD_INITIALIZER(mouse_handlers);
43 static NotifierList mouse_mode_notifiers =
44 NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
45
qemu_add_kbd_event_handler(QEMUPutKBDEvent * func,void * opaque)46 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
47 {
48 QEMUPutKBDEntry *s;
49
50 if (func != NULL) {
51 s = g_malloc0(sizeof(QEMUPutKBDEntry));
52
53 s->put_kbd_event = func;
54 s->opaque = opaque;
55
56 QTAILQ_INSERT_TAIL(&kbd_handlers, s, next);
57 }
58 }
59
qemu_remove_kbd_event_handler(QEMUPutKBDEvent * func,void * opaque)60 void qemu_remove_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
61 {
62 QEMUPutKBDEntry *cursor, *cursor_next;
63 if (func != NULL) {
64 QTAILQ_FOREACH_SAFE(cursor, &kbd_handlers, next, cursor_next) {
65 if (cursor->put_kbd_event == func && cursor->opaque == opaque) {
66 QTAILQ_REMOVE(&kbd_handlers, cursor, next);
67 }
68 }
69 }
70 }
71
check_mode_change(void)72 static void check_mode_change(void)
73 {
74 static int current_is_absolute, current_has_absolute;
75 int is_absolute;
76 int has_absolute;
77
78 is_absolute = kbd_mouse_is_absolute();
79 has_absolute = kbd_mouse_has_absolute();
80
81 if (is_absolute != current_is_absolute ||
82 has_absolute != current_has_absolute) {
83 notifier_list_notify(&mouse_mode_notifiers, NULL);
84 }
85
86 current_is_absolute = is_absolute;
87 current_has_absolute = has_absolute;
88 }
89
qemu_add_mouse_event_handler(QEMUPutMouseEvent * func,void * opaque,int absolute,const char * name)90 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
91 void *opaque, int absolute,
92 const char *name)
93 {
94 QEMUPutMouseEntry *s;
95 static int mouse_index = 0;
96
97 s = g_malloc0(sizeof(QEMUPutMouseEntry));
98
99 s->qemu_put_mouse_event = func;
100 s->qemu_put_mouse_event_opaque = opaque;
101 s->qemu_put_mouse_event_absolute = absolute;
102 s->qemu_put_mouse_event_name = g_strdup(name);
103 s->index = mouse_index++;
104
105 QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
106
107 check_mode_change();
108
109 return s;
110 }
111
qemu_activate_mouse_event_handler(QEMUPutMouseEntry * entry)112 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
113 {
114 QTAILQ_REMOVE(&mouse_handlers, entry, node);
115 QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
116
117 check_mode_change();
118 }
119
qemu_remove_mouse_event_handler(QEMUPutMouseEntry * entry)120 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
121 {
122 QTAILQ_REMOVE(&mouse_handlers, entry, node);
123
124 g_free(entry->qemu_put_mouse_event_name);
125 g_free(entry);
126
127 check_mode_change();
128 }
129
qemu_add_led_event_handler(QEMUPutLEDEvent * func,void * opaque)130 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
131 void *opaque)
132 {
133 QEMUPutLEDEntry *s;
134
135 s = g_malloc0(sizeof(QEMUPutLEDEntry));
136
137 s->put_led = func;
138 s->opaque = opaque;
139 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
140 return s;
141 }
142
qemu_remove_led_event_handler(QEMUPutLEDEntry * entry)143 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
144 {
145 if (entry == NULL)
146 return;
147 QTAILQ_REMOVE(&led_handlers, entry, next);
148 g_free(entry);
149 }
150
kbd_put_keycode(int keycode)151 void kbd_put_keycode(int keycode)
152 {
153 QEMUPutKBDEntry *cursor;
154 QTAILQ_FOREACH(cursor, &kbd_handlers, next) {
155 cursor->put_kbd_event(cursor->opaque, keycode);
156 }
157 }
158
kbd_put_ledstate(int ledstate)159 void kbd_put_ledstate(int ledstate)
160 {
161 QEMUPutLEDEntry *cursor;
162
163 QTAILQ_FOREACH(cursor, &led_handlers, next) {
164 cursor->put_led(cursor->opaque, ledstate);
165 }
166 }
167
kbd_mouse_event(int dx,int dy,int dz,int buttons_state)168 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
169 {
170 QEMUPutMouseEntry *entry;
171 QEMUPutMouseEvent *mouse_event;
172 void *mouse_event_opaque;
173 #ifndef CONFIG_SKINNING
174 int width;
175 #endif
176
177 if (QTAILQ_EMPTY(&mouse_handlers)) {
178 return;
179 }
180
181 entry = QTAILQ_FIRST(&mouse_handlers);
182
183 mouse_event = entry->qemu_put_mouse_event;
184 mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
185
186 if (mouse_event) {
187 #ifndef CONFIG_SKINNING
188 if (graphic_rotate) {
189 if (entry->qemu_put_mouse_event_absolute) {
190 width = 0x7fff;
191 } else {
192 width = graphic_width - 1;
193 }
194 mouse_event(mouse_event_opaque, width - dy, dx, dz, buttons_state);
195 } else {
196 mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
197 }
198 #else
199 mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
200 #endif
201 }
202 }
203
kbd_mouse_is_absolute(void)204 int kbd_mouse_is_absolute(void)
205 {
206 if (QTAILQ_EMPTY(&mouse_handlers)) {
207 return 0;
208 }
209
210 return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
211 }
212
kbd_mouse_has_absolute(void)213 int kbd_mouse_has_absolute(void)
214 {
215 QEMUPutMouseEntry *entry;
216
217 QTAILQ_FOREACH(entry, &mouse_handlers, node) {
218 if (entry->qemu_put_mouse_event_absolute) {
219 return 1;
220 }
221 }
222
223 return 0;
224 }
225
info_mice_iter(QObject * data,void * opaque)226 static void info_mice_iter(QObject *data, void *opaque)
227 {
228 QDict *mouse;
229 Monitor *mon = opaque;
230
231 mouse = qobject_to_qdict(data);
232 monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
233 (qdict_get_bool(mouse, "current") ? '*' : ' '),
234 qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name"),
235 qdict_get_bool(mouse, "absolute") ? " (absolute)" : "");
236 }
237
do_info_mice_print(Monitor * mon,const QObject * data)238 void do_info_mice_print(Monitor *mon, const QObject *data)
239 {
240 QList *mice_list;
241
242 mice_list = qobject_to_qlist(data);
243 if (qlist_empty(mice_list)) {
244 monitor_printf(mon, "No mouse devices connected\n");
245 return;
246 }
247
248 qlist_iter(mice_list, info_mice_iter, mon);
249 }
250
do_info_mice(Monitor * mon,QObject ** ret_data)251 void do_info_mice(Monitor *mon, QObject **ret_data)
252 {
253 QEMUPutMouseEntry *cursor;
254 QList *mice_list;
255 int current;
256
257 mice_list = qlist_new();
258
259 if (QTAILQ_EMPTY(&mouse_handlers)) {
260 goto out;
261 }
262
263 current = QTAILQ_FIRST(&mouse_handlers)->index;
264
265 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
266 QObject *obj;
267 obj = qobject_from_jsonf("{ 'name': %s,"
268 " 'index': %d,"
269 " 'current': %i,"
270 " 'absolute': %i }",
271 cursor->qemu_put_mouse_event_name,
272 cursor->index,
273 cursor->index == current,
274 !!cursor->qemu_put_mouse_event_absolute);
275 qlist_append_obj(mice_list, obj);
276 }
277
278 out:
279 *ret_data = QOBJECT(mice_list);
280 }
281
do_mouse_set(Monitor * mon,const QDict * qdict)282 void do_mouse_set(Monitor *mon, const QDict *qdict)
283 {
284 QEMUPutMouseEntry *cursor;
285 int index = qdict_get_int(qdict, "index");
286 int found = 0;
287
288 if (QTAILQ_EMPTY(&mouse_handlers)) {
289 monitor_printf(mon, "No mouse devices connected\n");
290 return;
291 }
292
293 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
294 if (cursor->index == index) {
295 found = 1;
296 qemu_activate_mouse_event_handler(cursor);
297 break;
298 }
299 }
300
301 if (!found) {
302 monitor_printf(mon, "Mouse at given index not found\n");
303 }
304
305 check_mode_change();
306 }
307
qemu_add_mouse_mode_change_notifier(Notifier * notify)308 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
309 {
310 notifier_list_add(&mouse_mode_notifiers, notify);
311 }
312
qemu_remove_mouse_mode_change_notifier(Notifier * notify)313 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
314 {
315 notifier_remove(notify);
316 }
317