Merge branch 's390-for-upstream' of git://repo.or.cz/qemu/agraf
[qemu.git] / input.c
blob6968b31781d0e2db3f78c454a85b16a5f6724496
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
25 #include "sysemu.h"
26 #include "net.h"
27 #include "monitor.h"
28 #include "console.h"
29 #include "error.h"
30 #include "qmp-commands.h"
32 static QEMUPutKBDEvent *qemu_put_kbd_event;
33 static void *qemu_put_kbd_event_opaque;
34 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
35 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
36 QTAILQ_HEAD_INITIALIZER(mouse_handlers);
37 static NotifierList mouse_mode_notifiers =
38 NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
40 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
42 qemu_put_kbd_event_opaque = opaque;
43 qemu_put_kbd_event = func;
46 void qemu_remove_kbd_event_handler(void)
48 qemu_put_kbd_event_opaque = NULL;
49 qemu_put_kbd_event = NULL;
52 static void check_mode_change(void)
54 static int current_is_absolute, current_has_absolute;
55 int is_absolute;
56 int has_absolute;
58 is_absolute = kbd_mouse_is_absolute();
59 has_absolute = kbd_mouse_has_absolute();
61 if (is_absolute != current_is_absolute ||
62 has_absolute != current_has_absolute) {
63 notifier_list_notify(&mouse_mode_notifiers, NULL);
66 current_is_absolute = is_absolute;
67 current_has_absolute = has_absolute;
70 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
71 void *opaque, int absolute,
72 const char *name)
74 QEMUPutMouseEntry *s;
75 static int mouse_index = 0;
77 s = g_malloc0(sizeof(QEMUPutMouseEntry));
79 s->qemu_put_mouse_event = func;
80 s->qemu_put_mouse_event_opaque = opaque;
81 s->qemu_put_mouse_event_absolute = absolute;
82 s->qemu_put_mouse_event_name = g_strdup(name);
83 s->index = mouse_index++;
85 QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
87 check_mode_change();
89 return s;
92 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
94 QTAILQ_REMOVE(&mouse_handlers, entry, node);
95 QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
97 check_mode_change();
100 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
102 QTAILQ_REMOVE(&mouse_handlers, entry, node);
104 g_free(entry->qemu_put_mouse_event_name);
105 g_free(entry);
107 check_mode_change();
110 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
111 void *opaque)
113 QEMUPutLEDEntry *s;
115 s = g_malloc0(sizeof(QEMUPutLEDEntry));
117 s->put_led = func;
118 s->opaque = opaque;
119 QTAILQ_INSERT_TAIL(&led_handlers, s, next);
120 return s;
123 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
125 if (entry == NULL)
126 return;
127 QTAILQ_REMOVE(&led_handlers, entry, next);
128 g_free(entry);
131 void kbd_put_keycode(int keycode)
133 if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
134 return;
136 if (qemu_put_kbd_event) {
137 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
141 void kbd_put_ledstate(int ledstate)
143 QEMUPutLEDEntry *cursor;
145 QTAILQ_FOREACH(cursor, &led_handlers, next) {
146 cursor->put_led(cursor->opaque, ledstate);
150 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
152 QEMUPutMouseEntry *entry;
153 QEMUPutMouseEvent *mouse_event;
154 void *mouse_event_opaque;
155 int width, height;
157 if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
158 return;
160 if (QTAILQ_EMPTY(&mouse_handlers)) {
161 return;
164 entry = QTAILQ_FIRST(&mouse_handlers);
166 mouse_event = entry->qemu_put_mouse_event;
167 mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
169 if (mouse_event) {
170 if (entry->qemu_put_mouse_event_absolute) {
171 width = 0x7fff;
172 height = 0x7fff;
173 } else {
174 width = graphic_width - 1;
175 height = graphic_height - 1;
178 switch (graphic_rotate) {
179 case 0:
180 mouse_event(mouse_event_opaque,
181 dx, dy, dz, buttons_state);
182 break;
183 case 90:
184 mouse_event(mouse_event_opaque,
185 width - dy, dx, dz, buttons_state);
186 break;
187 case 180:
188 mouse_event(mouse_event_opaque,
189 width - dx, height - dy, dz, buttons_state);
190 break;
191 case 270:
192 mouse_event(mouse_event_opaque,
193 dy, height - dx, dz, buttons_state);
194 break;
199 int kbd_mouse_is_absolute(void)
201 if (QTAILQ_EMPTY(&mouse_handlers)) {
202 return 0;
205 return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
208 int kbd_mouse_has_absolute(void)
210 QEMUPutMouseEntry *entry;
212 QTAILQ_FOREACH(entry, &mouse_handlers, node) {
213 if (entry->qemu_put_mouse_event_absolute) {
214 return 1;
218 return 0;
221 MouseInfoList *qmp_query_mice(Error **errp)
223 MouseInfoList *mice_list = NULL;
224 QEMUPutMouseEntry *cursor;
225 bool current = true;
227 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
228 MouseInfoList *info = g_malloc0(sizeof(*info));
229 info->value = g_malloc0(sizeof(*info->value));
230 info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
231 info->value->index = cursor->index;
232 info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
233 info->value->current = current;
235 current = false;
237 info->next = mice_list;
238 mice_list = info;
241 return mice_list;
244 void do_mouse_set(Monitor *mon, const QDict *qdict)
246 QEMUPutMouseEntry *cursor;
247 int index = qdict_get_int(qdict, "index");
248 int found = 0;
250 if (QTAILQ_EMPTY(&mouse_handlers)) {
251 monitor_printf(mon, "No mouse devices connected\n");
252 return;
255 QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
256 if (cursor->index == index) {
257 found = 1;
258 qemu_activate_mouse_event_handler(cursor);
259 break;
263 if (!found) {
264 monitor_printf(mon, "Mouse at given index not found\n");
267 check_mode_change();
270 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
272 notifier_list_add(&mouse_mode_notifiers, notify);
275 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
277 notifier_remove(notify);