diff options
Diffstat (limited to 'input.c')
| -rw-r--r-- | input.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/input.c b/input.c new file mode 100644 index 0000000000..955b9ab04d --- /dev/null +++ b/input.c @@ -0,0 +1,238 @@ +/* + * QEMU System Emulator + * + * Copyright (c) 2003-2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "sysemu.h" +#include "net.h" +#include "monitor.h" +#include "console.h" +#include "qjson.h" + + +static QEMUPutKBDEvent *qemu_put_kbd_event; +static void *qemu_put_kbd_event_opaque; +static QEMUPutMouseEntry *qemu_put_mouse_event_head; +static QEMUPutMouseEntry *qemu_put_mouse_event_current; + +void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) +{ + qemu_put_kbd_event_opaque = opaque; + qemu_put_kbd_event = func; +} + +QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, + void *opaque, int absolute, + const char *name) +{ + QEMUPutMouseEntry *s, *cursor; + + s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); + + s->qemu_put_mouse_event = func; + s->qemu_put_mouse_event_opaque = opaque; + s->qemu_put_mouse_event_absolute = absolute; + s->qemu_put_mouse_event_name = qemu_strdup(name); + s->next = NULL; + + if (!qemu_put_mouse_event_head) { + qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; + return s; + } + + cursor = qemu_put_mouse_event_head; + while (cursor->next != NULL) + cursor = cursor->next; + + cursor->next = s; + qemu_put_mouse_event_current = s; + + return s; +} + +void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) +{ + QEMUPutMouseEntry *prev = NULL, *cursor; + + if (!qemu_put_mouse_event_head || entry == NULL) + return; + + cursor = qemu_put_mouse_event_head; + while (cursor != NULL && cursor != entry) { + prev = cursor; + cursor = cursor->next; + } + + if (cursor == NULL) // does not exist or list empty + return; + else if (prev == NULL) { // entry is head + qemu_put_mouse_event_head = cursor->next; + if (qemu_put_mouse_event_current == entry) + qemu_put_mouse_event_current = cursor->next; + qemu_free(entry->qemu_put_mouse_event_name); + qemu_free(entry); + return; + } + + prev->next = entry->next; + + if (qemu_put_mouse_event_current == entry) + qemu_put_mouse_event_current = prev; + + qemu_free(entry->qemu_put_mouse_event_name); + qemu_free(entry); +} + +void kbd_put_keycode(int keycode) +{ + if (qemu_put_kbd_event) { + qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); + } +} + +void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) +{ + QEMUPutMouseEvent *mouse_event; + void *mouse_event_opaque; + int width; + + if (!qemu_put_mouse_event_current) { + return; + } + + mouse_event = + qemu_put_mouse_event_current->qemu_put_mouse_event; + mouse_event_opaque = + qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; + + if (mouse_event) { + if (graphic_rotate) { + if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) + width = 0x7fff; + else + width = graphic_width - 1; + mouse_event(mouse_event_opaque, + width - dy, dx, dz, buttons_state); + } else + mouse_event(mouse_event_opaque, + dx, dy, dz, buttons_state); + } +} + +int kbd_mouse_is_absolute(void) +{ + if (!qemu_put_mouse_event_current) + return 0; + + return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; +} + +static void info_mice_iter(QObject *data, void *opaque) +{ + QDict *mouse; + Monitor *mon = opaque; + + mouse = qobject_to_qdict(data); + monitor_printf(mon, "%c Mouse #%" PRId64 ": %s\n", + (qdict_get_bool(mouse, "current") ? '*' : ' '), + qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name")); +} + +void do_info_mice_print(Monitor *mon, const QObject *data) +{ + QList *mice_list; + + mice_list = qobject_to_qlist(data); + if (qlist_empty(mice_list)) { + monitor_printf(mon, "No mouse devices connected\n"); + return; + } + + qlist_iter(mice_list, info_mice_iter, mon); +} + +/** + * do_info_mice(): Show VM mice information + * + * Each mouse is represented by a QDict, the returned QObject is a QList of + * all mice. + * + * The mouse QDict contains the following: + * + * - "name": mouse's name + * - "index": mouse's index + * - "current": true if this mouse is receiving events, false otherwise + * + * Example: + * + * [ { "name": "QEMU Microsoft Mouse", "index": 0, "current": false }, + * { "name": "QEMU PS/2 Mouse", "index": 1, "current": true } ] + */ +void do_info_mice(Monitor *mon, QObject **ret_data) +{ + QEMUPutMouseEntry *cursor; + QList *mice_list; + int index = 0; + + mice_list = qlist_new(); + + if (!qemu_put_mouse_event_head) { + goto out; + } + + cursor = qemu_put_mouse_event_head; + while (cursor != NULL) { + QObject *obj; + obj = qobject_from_jsonf("{ 'name': %s, 'index': %d, 'current': %i }", + cursor->qemu_put_mouse_event_name, + index, cursor == qemu_put_mouse_event_current); + qlist_append_obj(mice_list, obj); + index++; + cursor = cursor->next; + } + +out: + *ret_data = QOBJECT(mice_list); +} + +void do_mouse_set(Monitor *mon, const QDict *qdict) +{ + QEMUPutMouseEntry *cursor; + int i = 0; + int index = qdict_get_int(qdict, "index"); + + if (!qemu_put_mouse_event_head) { + monitor_printf(mon, "No mouse devices connected\n"); + return; + } + + cursor = qemu_put_mouse_event_head; + while (cursor != NULL && index != i) { + i++; + cursor = cursor->next; + } + + if (cursor != NULL) + qemu_put_mouse_event_current = cursor; + else + monitor_printf(mon, "Mouse at given index not found\n"); +} |