xref: /illumos-kvm-cmd/input.c (revision 68396ea9)
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 
qemu_add_kbd_event_handler(QEMUPutKBDEvent * func,void * opaque)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 
qemu_remove_kbd_event_handler(void)45 void qemu_remove_kbd_event_handler(void)
46 {
47     qemu_put_kbd_event_opaque = NULL;
48     qemu_put_kbd_event = NULL;
49 }
50 
check_mode_change(void)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 
qemu_add_mouse_event_handler(QEMUPutMouseEvent * func,void * opaque,int absolute,const char * name)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 
qemu_activate_mouse_event_handler(QEMUPutMouseEntry * entry)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 
qemu_remove_mouse_event_handler(QEMUPutMouseEntry * entry)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 
qemu_add_led_event_handler(QEMUPutLEDEvent * func,void * opaque)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 
qemu_remove_led_event_handler(QEMUPutLEDEntry * entry)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 
kbd_put_keycode(int keycode)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 
kbd_put_ledstate(int ledstate)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 
kbd_mouse_event(int dx,int dy,int dz,int buttons_state)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 
kbd_mouse_is_absolute(void)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 
kbd_mouse_has_absolute(void)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 
info_mice_iter(QObject * data,void * opaque)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 
do_info_mice_print(Monitor * mon,const QObject * data)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 
do_info_mice(Monitor * mon,QObject ** ret_data)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 
do_mouse_set(Monitor * mon,const QDict * qdict)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 
qemu_add_mouse_mode_change_notifier(Notifier * notify)280 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
281 {
282     notifier_list_add(&mouse_mode_notifiers, notify);
283 }
284 
qemu_remove_mouse_mode_change_notifier(Notifier * notify)285 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
286 {
287     notifier_list_remove(&mouse_mode_notifiers, notify);
288 }
289