qemu/ui/input-legacy.c
Dmitry Petrov 17f6315ef8 ui/input-legacy: pass horizontal scroll information
This code seems to be used by vmport hack, passing these values allows
to implement horizontal scroll support even when using vmport.
In case it's not supported horizontal scroll will act as a vertical one.

Signed-off-by: Dmitry Petrov <dpetroff@gmail.com>
Message-Id: <20220108153947.171861-6-dpetroff@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-13 15:33:18 +01:00

291 lines
8.7 KiB
C

/*
* 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 "qemu/osdep.h"
#include "qemu/log.h"
#include "qapi/qapi-commands-ui.h"
#include "ui/console.h"
#include "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);
int index_from_key(const char *key, size_t key_length)
{
int i;
for (i = 0; i < Q_KEY_CODE__MAX; i++) {
if (!strncmp(key, QKeyCode_str(i), key_length) &&
!QKeyCode_str(i)[key_length]) {
break;
}
}
/* Return Q_KEY_CODE__MAX if the key is invalid */
return i;
}
static KeyValue *copy_key_value(KeyValue *src)
{
KeyValue *dst = g_new(KeyValue, 1);
memcpy(dst, src, sizeof(*src));
if (dst->type == KEY_VALUE_KIND_NUMBER) {
QKeyCode code = qemu_input_key_number_to_qcode(dst->u.number.data);
dst->type = KEY_VALUE_KIND_QCODE;
dst->u.qcode.data = code;
}
return dst;
}
void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
Error **errp)
{
KeyValueList *p;
KeyValue **up = NULL;
int count = 0;
if (!has_hold_time) {
hold_time = 0; /* use default */
}
for (p = keys; p != NULL; p = p->next) {
qemu_input_event_send_key(NULL, copy_key_value(p->value), true);
qemu_input_event_send_key_delay(hold_time);
up = g_realloc(up, sizeof(*up) * (count+1));
up[count] = copy_key_value(p->value);
count++;
}
while (count) {
count--;
qemu_input_event_send_key(NULL, up[count], false);
qemu_input_event_send_key_delay(hold_time);
}
g_free(up);
}
static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
int scancodes[3], i, count;
InputKeyEvent *key = evt->u.key.data;
if (!entry || !entry->put_kbd) {
return;
}
count = qemu_input_key_value_to_scancode(key->key,
key->down,
scancodes);
for (i = 0; i < count; i++) {
entry->put_kbd(entry->opaque, scancodes[i]);
}
}
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;
}
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;
InputBtnEvent *btn;
InputMoveEvent *move;
switch (evt->type) {
case INPUT_EVENT_KIND_BTN:
btn = evt->u.btn.data;
if (btn->down) {
s->buttons |= bmap[btn->button];
} else {
s->buttons &= ~bmap[btn->button];
}
if (btn->down && 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 (btn->down && 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);
}
if (btn->down && btn->button == INPUT_BUTTON_WHEEL_RIGHT) {
s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
s->axis[INPUT_AXIS_X],
s->axis[INPUT_AXIS_Y],
-2,
s->buttons);
}
if (btn->down && btn->button == INPUT_BUTTON_WHEEL_LEFT) {
s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
s->axis[INPUT_AXIS_X],
s->axis[INPUT_AXIS_Y],
2,
s->buttons);
}
break;
case INPUT_EVENT_KIND_ABS:
move = evt->u.abs.data;
s->axis[move->axis] = move->value;
break;
case INPUT_EVENT_KIND_REL:
move = evt->u.rel.data;
s->axis[move->axis] += move->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_new0(QEMUPutMouseEntry, 1);
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_new0(QEMUPutLEDEntry, 1);
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);
}
}