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qemu-e2k/ui/input-legacy.c
Gerd Hoffmann 7f5e07d9b3 input: activate legacy kbd 
Restores traditional behavior:  Keyboard input will be routed to the most
recently added keyboard.  Without this all kbd input goes to the ps/2
keyboard, even if you add a usb keyboard to your guest.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-12 10:43:16 +01:00

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/*
* 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/sysemu.h"
#include "monitor/monitor.h"
#include "ui/console.h"
#include "qapi/error.h"
#include "qmp-commands.h"
#include "qapi-types.h"
#include "ui/keymaps.h"
#include "ui/input.h"
struct QEMUPutMouseEntry {
QEMUPutMouseEvent *qemu_put_mouse_event;
void *qemu_put_mouse_event_opaque;
int qemu_put_mouse_event_absolute;
/* new input core */
QemuInputHandler h;
QemuInputHandlerState *s;
int axis[INPUT_AXIS_MAX];
int buttons;
};
struct QEMUPutKbdEntry {
QEMUPutKBDEvent *put_kbd;
void *opaque;
QemuInputHandlerState *s;
};
struct QEMUPutLEDEntry {
QEMUPutLEDEvent *put_led;
void *opaque;
QTAILQ_ENTRY(QEMUPutLEDEntry) next;
};
static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
QTAILQ_HEAD_INITIALIZER(led_handlers);
static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
QTAILQ_HEAD_INITIALIZER(mouse_handlers);
static const int key_defs[] = {
[Q_KEY_CODE_SHIFT] = 0x2a,
[Q_KEY_CODE_SHIFT_R] = 0x36,
[Q_KEY_CODE_ALT] = 0x38,
[Q_KEY_CODE_ALT_R] = 0xb8,
[Q_KEY_CODE_ALTGR] = 0x64,
[Q_KEY_CODE_ALTGR_R] = 0xe4,
[Q_KEY_CODE_CTRL] = 0x1d,
[Q_KEY_CODE_CTRL_R] = 0x9d,
[Q_KEY_CODE_MENU] = 0xdd,
[Q_KEY_CODE_ESC] = 0x01,
[Q_KEY_CODE_1] = 0x02,
[Q_KEY_CODE_2] = 0x03,
[Q_KEY_CODE_3] = 0x04,
[Q_KEY_CODE_4] = 0x05,
[Q_KEY_CODE_5] = 0x06,
[Q_KEY_CODE_6] = 0x07,
[Q_KEY_CODE_7] = 0x08,
[Q_KEY_CODE_8] = 0x09,
[Q_KEY_CODE_9] = 0x0a,
[Q_KEY_CODE_0] = 0x0b,
[Q_KEY_CODE_MINUS] = 0x0c,
[Q_KEY_CODE_EQUAL] = 0x0d,
[Q_KEY_CODE_BACKSPACE] = 0x0e,
[Q_KEY_CODE_TAB] = 0x0f,
[Q_KEY_CODE_Q] = 0x10,
[Q_KEY_CODE_W] = 0x11,
[Q_KEY_CODE_E] = 0x12,
[Q_KEY_CODE_R] = 0x13,
[Q_KEY_CODE_T] = 0x14,
[Q_KEY_CODE_Y] = 0x15,
[Q_KEY_CODE_U] = 0x16,
[Q_KEY_CODE_I] = 0x17,
[Q_KEY_CODE_O] = 0x18,
[Q_KEY_CODE_P] = 0x19,
[Q_KEY_CODE_BRACKET_LEFT] = 0x1a,
[Q_KEY_CODE_BRACKET_RIGHT] = 0x1b,
[Q_KEY_CODE_RET] = 0x1c,
[Q_KEY_CODE_A] = 0x1e,
[Q_KEY_CODE_S] = 0x1f,
[Q_KEY_CODE_D] = 0x20,
[Q_KEY_CODE_F] = 0x21,
[Q_KEY_CODE_G] = 0x22,
[Q_KEY_CODE_H] = 0x23,
[Q_KEY_CODE_J] = 0x24,
[Q_KEY_CODE_K] = 0x25,
[Q_KEY_CODE_L] = 0x26,
[Q_KEY_CODE_SEMICOLON] = 0x27,
[Q_KEY_CODE_APOSTROPHE] = 0x28,
[Q_KEY_CODE_GRAVE_ACCENT] = 0x29,
[Q_KEY_CODE_BACKSLASH] = 0x2b,
[Q_KEY_CODE_Z] = 0x2c,
[Q_KEY_CODE_X] = 0x2d,
[Q_KEY_CODE_C] = 0x2e,
[Q_KEY_CODE_V] = 0x2f,
[Q_KEY_CODE_B] = 0x30,
[Q_KEY_CODE_N] = 0x31,
[Q_KEY_CODE_M] = 0x32,
[Q_KEY_CODE_COMMA] = 0x33,
[Q_KEY_CODE_DOT] = 0x34,
[Q_KEY_CODE_SLASH] = 0x35,
[Q_KEY_CODE_ASTERISK] = 0x37,
[Q_KEY_CODE_SPC] = 0x39,
[Q_KEY_CODE_CAPS_LOCK] = 0x3a,
[Q_KEY_CODE_F1] = 0x3b,
[Q_KEY_CODE_F2] = 0x3c,
[Q_KEY_CODE_F3] = 0x3d,
[Q_KEY_CODE_F4] = 0x3e,
[Q_KEY_CODE_F5] = 0x3f,
[Q_KEY_CODE_F6] = 0x40,
[Q_KEY_CODE_F7] = 0x41,
[Q_KEY_CODE_F8] = 0x42,
[Q_KEY_CODE_F9] = 0x43,
[Q_KEY_CODE_F10] = 0x44,
[Q_KEY_CODE_NUM_LOCK] = 0x45,
[Q_KEY_CODE_SCROLL_LOCK] = 0x46,
[Q_KEY_CODE_KP_DIVIDE] = 0xb5,
[Q_KEY_CODE_KP_MULTIPLY] = 0x37,
[Q_KEY_CODE_KP_SUBTRACT] = 0x4a,
[Q_KEY_CODE_KP_ADD] = 0x4e,
[Q_KEY_CODE_KP_ENTER] = 0x9c,
[Q_KEY_CODE_KP_DECIMAL] = 0x53,
[Q_KEY_CODE_SYSRQ] = 0x54,
[Q_KEY_CODE_KP_0] = 0x52,
[Q_KEY_CODE_KP_1] = 0x4f,
[Q_KEY_CODE_KP_2] = 0x50,
[Q_KEY_CODE_KP_3] = 0x51,
[Q_KEY_CODE_KP_4] = 0x4b,
[Q_KEY_CODE_KP_5] = 0x4c,
[Q_KEY_CODE_KP_6] = 0x4d,
[Q_KEY_CODE_KP_7] = 0x47,
[Q_KEY_CODE_KP_8] = 0x48,
[Q_KEY_CODE_KP_9] = 0x49,
[Q_KEY_CODE_LESS] = 0x56,
[Q_KEY_CODE_F11] = 0x57,
[Q_KEY_CODE_F12] = 0x58,
[Q_KEY_CODE_PRINT] = 0xb7,
[Q_KEY_CODE_HOME] = 0xc7,
[Q_KEY_CODE_PGUP] = 0xc9,
[Q_KEY_CODE_PGDN] = 0xd1,
[Q_KEY_CODE_END] = 0xcf,
[Q_KEY_CODE_LEFT] = 0xcb,
[Q_KEY_CODE_UP] = 0xc8,
[Q_KEY_CODE_DOWN] = 0xd0,
[Q_KEY_CODE_RIGHT] = 0xcd,
[Q_KEY_CODE_INSERT] = 0xd2,
[Q_KEY_CODE_DELETE] = 0xd3,
#ifdef NEED_CPU_H
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
[Q_KEY_CODE_STOP] = 0xf0,
[Q_KEY_CODE_AGAIN] = 0xf1,
[Q_KEY_CODE_PROPS] = 0xf2,
[Q_KEY_CODE_UNDO] = 0xf3,
[Q_KEY_CODE_FRONT] = 0xf4,
[Q_KEY_CODE_COPY] = 0xf5,
[Q_KEY_CODE_OPEN] = 0xf6,
[Q_KEY_CODE_PASTE] = 0xf7,
[Q_KEY_CODE_FIND] = 0xf8,
[Q_KEY_CODE_CUT] = 0xf9,
[Q_KEY_CODE_LF] = 0xfa,
[Q_KEY_CODE_HELP] = 0xfb,
[Q_KEY_CODE_META_L] = 0xfc,
[Q_KEY_CODE_META_R] = 0xfd,
[Q_KEY_CODE_COMPOSE] = 0xfe,
#endif
#endif
[Q_KEY_CODE_MAX] = 0,
};
int index_from_key(const char *key)
{
int i;
for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
if (!strcmp(key, QKeyCode_lookup[i])) {
break;
}
}
/* Return Q_KEY_CODE_MAX if the key is invalid */
return i;
}
static int *keycodes;
static int keycodes_size;
static QEMUTimer *key_timer;
static int keycode_from_keyvalue(const KeyValue *value)
{
if (value->kind == KEY_VALUE_KIND_QCODE) {
return key_defs[value->qcode];
} else {
assert(value->kind == KEY_VALUE_KIND_NUMBER);
return value->number;
}
}
static void free_keycodes(void)
{
g_free(keycodes);
keycodes = NULL;
keycodes_size = 0;
}
static void release_keys(void *opaque)
{
while (keycodes_size > 0) {
qemu_input_event_send_key_number(NULL, keycodes[--keycodes_size],
false);
}
free_keycodes();
}
void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
Error **errp)
{
int keycode;
KeyValueList *p;
if (!key_timer) {
key_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, release_keys, NULL);
}
if (keycodes != NULL) {
timer_del(key_timer);
release_keys(NULL);
}
if (!has_hold_time) {
hold_time = 100;
}
for (p = keys; p != NULL; p = p->next) {
/* key down events */
keycode = keycode_from_keyvalue(p->value);
if (keycode < 0x01 || keycode > 0xff) {
error_setg(errp, "invalid hex keycode 0x%x", keycode);
free_keycodes();
return;
}
qemu_input_event_send_key_number(NULL, keycode, true);
keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
keycodes[keycodes_size++] = keycode;
}
/* delayed key up events */
timer_mod(key_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
muldiv64(get_ticks_per_sec(), hold_time, 1000));
}
static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
int keycode = keycode_from_keyvalue(evt->key->key);
if (!entry || !entry->put_kbd) {
return;
}
if (evt->key->key->kind == KEY_VALUE_KIND_QCODE &&
evt->key->key->qcode == Q_KEY_CODE_PAUSE) {
/* specific case */
int v = evt->key->down ? 0 : 0x80;
entry->put_kbd(entry->opaque, 0xe1);
entry->put_kbd(entry->opaque, 0x1d | v);
entry->put_kbd(entry->opaque, 0x45 | v);
return;
}
if (keycode & SCANCODE_GREY) {
entry->put_kbd(entry->opaque, SCANCODE_EMUL0);
keycode &= ~SCANCODE_GREY;
}
if (!evt->key->down) {
keycode |= SCANCODE_UP;
}
entry->put_kbd(entry->opaque, keycode);
}
static QemuInputHandler legacy_kbd_handler = {
.name = "legacy-kbd",
.mask = INPUT_EVENT_MASK_KEY,
.event = legacy_kbd_event,
};
QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
{
QEMUPutKbdEntry *entry;
entry = g_new0(QEMUPutKbdEntry, 1);
entry->put_kbd = func;
entry->opaque = opaque;
entry->s = qemu_input_handler_register((DeviceState *)entry,
&legacy_kbd_handler);
qemu_input_handler_activate(entry->s);
return entry;
}
void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry)
{
qemu_input_handler_unregister(entry->s);
g_free(entry);
}
static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
static const int bmap[INPUT_BUTTON_MAX] = {
[INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
[INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
[INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
};
QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
switch (evt->kind) {
case INPUT_EVENT_KIND_BTN:
if (evt->btn->down) {
s->buttons |= bmap[evt->btn->button];
} else {
s->buttons &= ~bmap[evt->btn->button];
}
if (evt->btn->down && evt->btn->button == INPUT_BUTTON_WHEEL_UP) {
s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
s->axis[INPUT_AXIS_X],
s->axis[INPUT_AXIS_Y],
-1,
s->buttons);
}
if (evt->btn->down && evt->btn->button == INPUT_BUTTON_WHEEL_DOWN) {
s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
s->axis[INPUT_AXIS_X],
s->axis[INPUT_AXIS_Y],
1,
s->buttons);
}
break;
case INPUT_EVENT_KIND_ABS:
s->axis[evt->abs->axis] = evt->abs->value;
break;
case INPUT_EVENT_KIND_REL:
s->axis[evt->rel->axis] += evt->rel->value;
break;
default:
break;
}
}
static void legacy_mouse_sync(DeviceState *dev)
{
QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
s->axis[INPUT_AXIS_X],
s->axis[INPUT_AXIS_Y],
0,
s->buttons);
if (!s->qemu_put_mouse_event_absolute) {
s->axis[INPUT_AXIS_X] = 0;
s->axis[INPUT_AXIS_Y] = 0;
}
}
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
void *opaque, int absolute,
const char *name)
{
QEMUPutMouseEntry *s;
s = g_malloc0(sizeof(QEMUPutMouseEntry));
s->qemu_put_mouse_event = func;
s->qemu_put_mouse_event_opaque = opaque;
s->qemu_put_mouse_event_absolute = absolute;
s->h.name = name;
s->h.mask = INPUT_EVENT_MASK_BTN |
(absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
s->h.event = legacy_mouse_event;
s->h.sync = legacy_mouse_sync;
s->s = qemu_input_handler_register((DeviceState *)s,
&s->h);
return s;
}
void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
{
qemu_input_handler_activate(entry->s);
}
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
{
qemu_input_handler_unregister(entry->s);
g_free(entry);
}
QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
void *opaque)
{
QEMUPutLEDEntry *s;
s = g_malloc0(sizeof(QEMUPutLEDEntry));
s->put_led = func;
s->opaque = opaque;
QTAILQ_INSERT_TAIL(&led_handlers, s, next);
return s;
}
void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
{
if (entry == NULL)
return;
QTAILQ_REMOVE(&led_handlers, entry, next);
g_free(entry);
}
void kbd_put_ledstate(int ledstate)
{
QEMUPutLEDEntry *cursor;
QTAILQ_FOREACH(cursor, &led_handlers, next) {
cursor->put_led(cursor->opaque, ledstate);
}
}
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