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https://github.com/xemu-project/xemu.git
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02aa76c2ba
Add helper functions to translate KeyValue (qapi key representation) into other representations: traditional qemu key numbers, qapi key codes (Q_KEY_CODE_*) and scancode sequences. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
302 lines
8.5 KiB
C
302 lines
8.5 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/sysemu.h"
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#include "monitor/monitor.h"
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#include "ui/console.h"
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#include "qapi/error.h"
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#include "qmp-commands.h"
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#include "qapi-types.h"
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#include "ui/keymaps.h"
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#include "ui/input.h"
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struct QEMUPutMouseEntry {
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QEMUPutMouseEvent *qemu_put_mouse_event;
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void *qemu_put_mouse_event_opaque;
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int qemu_put_mouse_event_absolute;
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/* new input core */
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QemuInputHandler h;
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QemuInputHandlerState *s;
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int axis[INPUT_AXIS_MAX];
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int buttons;
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};
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struct QEMUPutKbdEntry {
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QEMUPutKBDEvent *put_kbd;
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void *opaque;
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QemuInputHandlerState *s;
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};
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struct QEMUPutLEDEntry {
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QEMUPutLEDEvent *put_led;
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void *opaque;
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QTAILQ_ENTRY(QEMUPutLEDEntry) next;
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};
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static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
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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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int index_from_key(const char *key)
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{
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int i;
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for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
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if (!strcmp(key, QKeyCode_lookup[i])) {
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break;
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}
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}
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/* Return Q_KEY_CODE_MAX if the key is invalid */
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return i;
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}
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static int *keycodes;
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static int keycodes_size;
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static QEMUTimer *key_timer;
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static void free_keycodes(void)
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{
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g_free(keycodes);
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keycodes = NULL;
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keycodes_size = 0;
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}
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static void release_keys(void *opaque)
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{
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while (keycodes_size > 0) {
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qemu_input_event_send_key_number(NULL, keycodes[--keycodes_size],
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false);
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}
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free_keycodes();
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}
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void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
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Error **errp)
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{
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int keycode;
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KeyValueList *p;
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if (!key_timer) {
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key_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, release_keys, NULL);
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}
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if (keycodes != NULL) {
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timer_del(key_timer);
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release_keys(NULL);
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}
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if (!has_hold_time) {
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hold_time = 100;
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}
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for (p = keys; p != NULL; p = p->next) {
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/* key down events */
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keycode = qemu_input_key_value_to_number(p->value);
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if (keycode < 0x01 || keycode > 0xff) {
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error_setg(errp, "invalid hex keycode 0x%x", keycode);
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free_keycodes();
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return;
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}
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qemu_input_event_send_key_number(NULL, keycode, true);
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keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
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keycodes[keycodes_size++] = keycode;
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}
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/* delayed key up events */
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timer_mod(key_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
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muldiv64(get_ticks_per_sec(), hold_time, 1000));
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}
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static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
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InputEvent *evt)
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{
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QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
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int scancodes[3], i, count;
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if (!entry || !entry->put_kbd) {
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return;
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}
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count = qemu_input_key_value_to_scancode(evt->key->key,
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evt->key->down,
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scancodes);
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for (i = 0; i < count; i++) {
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entry->put_kbd(entry->opaque, scancodes[i]);
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}
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}
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static QemuInputHandler legacy_kbd_handler = {
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.name = "legacy-kbd",
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.mask = INPUT_EVENT_MASK_KEY,
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.event = legacy_kbd_event,
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};
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QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
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{
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QEMUPutKbdEntry *entry;
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entry = g_new0(QEMUPutKbdEntry, 1);
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entry->put_kbd = func;
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entry->opaque = opaque;
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entry->s = qemu_input_handler_register((DeviceState *)entry,
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&legacy_kbd_handler);
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qemu_input_handler_activate(entry->s);
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return entry;
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}
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void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry)
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{
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qemu_input_handler_unregister(entry->s);
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g_free(entry);
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}
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static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
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InputEvent *evt)
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{
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static const int bmap[INPUT_BUTTON_MAX] = {
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[INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
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[INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
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[INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
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};
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QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
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switch (evt->kind) {
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case INPUT_EVENT_KIND_BTN:
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if (evt->btn->down) {
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s->buttons |= bmap[evt->btn->button];
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} else {
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s->buttons &= ~bmap[evt->btn->button];
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}
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if (evt->btn->down && evt->btn->button == INPUT_BUTTON_WHEEL_UP) {
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s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
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s->axis[INPUT_AXIS_X],
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s->axis[INPUT_AXIS_Y],
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-1,
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s->buttons);
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}
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if (evt->btn->down && evt->btn->button == INPUT_BUTTON_WHEEL_DOWN) {
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s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
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s->axis[INPUT_AXIS_X],
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s->axis[INPUT_AXIS_Y],
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1,
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s->buttons);
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}
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break;
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case INPUT_EVENT_KIND_ABS:
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s->axis[evt->abs->axis] = evt->abs->value;
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break;
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case INPUT_EVENT_KIND_REL:
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s->axis[evt->rel->axis] += evt->rel->value;
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break;
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default:
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break;
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}
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}
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static void legacy_mouse_sync(DeviceState *dev)
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{
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QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
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s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
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s->axis[INPUT_AXIS_X],
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s->axis[INPUT_AXIS_Y],
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0,
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s->buttons);
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if (!s->qemu_put_mouse_event_absolute) {
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s->axis[INPUT_AXIS_X] = 0;
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s->axis[INPUT_AXIS_Y] = 0;
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}
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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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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->h.name = name;
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s->h.mask = INPUT_EVENT_MASK_BTN |
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(absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
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s->h.event = legacy_mouse_event;
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s->h.sync = legacy_mouse_sync;
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s->s = qemu_input_handler_register((DeviceState *)s,
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&s->h);
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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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qemu_input_handler_activate(entry->s);
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}
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void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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qemu_input_handler_unregister(entry->s);
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g_free(entry);
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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_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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