mirror of https://gitee.com/openkylin/qemu.git
279 lines
7.4 KiB
C
279 lines
7.4 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "sysemu.h"
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#include "net.h"
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#include "monitor.h"
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#include "console.h"
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#include "error.h"
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#include "qmp-commands.h"
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static QEMUPutKBDEvent *qemu_put_kbd_event;
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static void *qemu_put_kbd_event_opaque;
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static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
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static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
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QTAILQ_HEAD_INITIALIZER(mouse_handlers);
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static NotifierList mouse_mode_notifiers =
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NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
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void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
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{
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qemu_put_kbd_event_opaque = opaque;
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qemu_put_kbd_event = func;
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}
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void qemu_remove_kbd_event_handler(void)
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{
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qemu_put_kbd_event_opaque = NULL;
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qemu_put_kbd_event = NULL;
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}
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static void check_mode_change(void)
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{
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static int current_is_absolute, current_has_absolute;
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int is_absolute;
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int has_absolute;
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is_absolute = kbd_mouse_is_absolute();
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has_absolute = kbd_mouse_has_absolute();
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if (is_absolute != current_is_absolute ||
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has_absolute != current_has_absolute) {
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notifier_list_notify(&mouse_mode_notifiers, NULL);
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}
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current_is_absolute = is_absolute;
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current_has_absolute = has_absolute;
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}
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QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
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void *opaque, int absolute,
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const char *name)
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{
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QEMUPutMouseEntry *s;
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static int mouse_index = 0;
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s = g_malloc0(sizeof(QEMUPutMouseEntry));
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s->qemu_put_mouse_event = func;
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s->qemu_put_mouse_event_opaque = opaque;
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s->qemu_put_mouse_event_absolute = absolute;
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s->qemu_put_mouse_event_name = g_strdup(name);
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s->index = mouse_index++;
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QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
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check_mode_change();
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return s;
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}
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void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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QTAILQ_REMOVE(&mouse_handlers, entry, node);
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QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
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check_mode_change();
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}
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void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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QTAILQ_REMOVE(&mouse_handlers, entry, node);
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g_free(entry->qemu_put_mouse_event_name);
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g_free(entry);
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check_mode_change();
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}
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QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
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void *opaque)
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{
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QEMUPutLEDEntry *s;
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s = g_malloc0(sizeof(QEMUPutLEDEntry));
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s->put_led = func;
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s->opaque = opaque;
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QTAILQ_INSERT_TAIL(&led_handlers, s, next);
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return s;
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}
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void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
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{
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if (entry == NULL)
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return;
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QTAILQ_REMOVE(&led_handlers, entry, next);
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g_free(entry);
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}
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void kbd_put_keycode(int keycode)
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{
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if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
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return;
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}
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if (qemu_put_kbd_event) {
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qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
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}
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}
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void kbd_put_ledstate(int ledstate)
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{
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QEMUPutLEDEntry *cursor;
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QTAILQ_FOREACH(cursor, &led_handlers, next) {
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cursor->put_led(cursor->opaque, ledstate);
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}
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}
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void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
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{
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QEMUPutMouseEntry *entry;
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QEMUPutMouseEvent *mouse_event;
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void *mouse_event_opaque;
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int width, height;
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if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
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return;
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}
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if (QTAILQ_EMPTY(&mouse_handlers)) {
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return;
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}
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entry = QTAILQ_FIRST(&mouse_handlers);
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mouse_event = entry->qemu_put_mouse_event;
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mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
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if (mouse_event) {
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if (entry->qemu_put_mouse_event_absolute) {
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width = 0x7fff;
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height = 0x7fff;
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} else {
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width = graphic_width - 1;
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height = graphic_height - 1;
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}
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switch (graphic_rotate) {
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case 0:
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mouse_event(mouse_event_opaque,
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dx, dy, dz, buttons_state);
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break;
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case 90:
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mouse_event(mouse_event_opaque,
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width - dy, dx, dz, buttons_state);
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break;
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case 180:
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mouse_event(mouse_event_opaque,
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width - dx, height - dy, dz, buttons_state);
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break;
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case 270:
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mouse_event(mouse_event_opaque,
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dy, height - dx, dz, buttons_state);
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break;
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}
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}
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}
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int kbd_mouse_is_absolute(void)
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{
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if (QTAILQ_EMPTY(&mouse_handlers)) {
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return 0;
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}
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return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
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}
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int kbd_mouse_has_absolute(void)
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{
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QEMUPutMouseEntry *entry;
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QTAILQ_FOREACH(entry, &mouse_handlers, node) {
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if (entry->qemu_put_mouse_event_absolute) {
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return 1;
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}
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}
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return 0;
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}
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MouseInfoList *qmp_query_mice(Error **errp)
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{
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MouseInfoList *mice_list = NULL;
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QEMUPutMouseEntry *cursor;
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bool current = true;
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QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
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MouseInfoList *info = g_malloc0(sizeof(*info));
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info->value = g_malloc0(sizeof(*info->value));
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info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
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info->value->index = cursor->index;
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info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
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info->value->current = current;
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current = false;
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info->next = mice_list;
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mice_list = info;
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}
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return mice_list;
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}
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void do_mouse_set(Monitor *mon, const QDict *qdict)
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{
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QEMUPutMouseEntry *cursor;
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int index = qdict_get_int(qdict, "index");
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int found = 0;
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if (QTAILQ_EMPTY(&mouse_handlers)) {
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monitor_printf(mon, "No mouse devices connected\n");
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return;
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}
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QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
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if (cursor->index == index) {
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found = 1;
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qemu_activate_mouse_event_handler(cursor);
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break;
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}
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}
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if (!found) {
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monitor_printf(mon, "Mouse at given index not found\n");
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}
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check_mode_change();
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}
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void qemu_add_mouse_mode_change_notifier(Notifier *notify)
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{
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notifier_list_add(&mouse_mode_notifiers, notify);
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}
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void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
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{
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notifier_remove(notify);
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}
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