qemu/ui/sdl2-input.c

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/*
* QEMU SDL display driver
*
* Copyright (c) 2003 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.
*/
/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "ui/console.h"
#include "ui/input.h"
#include "ui/sdl2.h"
#include "sysemu/sysemu.h"
static uint8_t modifiers_state[SDL_NUM_SCANCODES];
void sdl2_reset_keys(struct sdl2_console *scon)
{
QemuConsole *con = scon ? scon->dcl.con : NULL;
int i;
for (i = 0 ;
i < SDL_NUM_SCANCODES && i < qemu_input_map_usb_to_qcode_len ;
i++) {
if (modifiers_state[i]) {
int qcode = qemu_input_map_usb_to_qcode[i];
qemu_input_event_send_key_qcode(con, qcode, false);
modifiers_state[i] = 0;
}
}
}
void sdl2_process_key(struct sdl2_console *scon,
SDL_KeyboardEvent *ev)
{
int qcode;
QemuConsole *con = scon ? scon->dcl.con : NULL;
if (ev->keysym.scancode >= qemu_input_map_usb_to_qcode_len) {
return;
}
qcode = qemu_input_map_usb_to_qcode[ev->keysym.scancode];
/* modifier state tracking */
switch (ev->keysym.scancode) {
case SDL_SCANCODE_LCTRL:
case SDL_SCANCODE_LSHIFT:
case SDL_SCANCODE_LALT:
case SDL_SCANCODE_LGUI:
case SDL_SCANCODE_RCTRL:
case SDL_SCANCODE_RSHIFT:
case SDL_SCANCODE_RALT:
case SDL_SCANCODE_RGUI:
if (ev->type == SDL_KEYUP) {
modifiers_state[ev->keysym.scancode] = 0;
} else {
modifiers_state[ev->keysym.scancode] = 1;
}
break;
default:
/* nothing */
break;
}
if (!qemu_console_is_graphic(con)) {
bool ctrl = (modifiers_state[SDL_SCANCODE_LCTRL] ||
modifiers_state[SDL_SCANCODE_RCTRL]);
if (ev->type == SDL_KEYDOWN) {
switch (ev->keysym.scancode) {
case SDL_SCANCODE_RETURN:
kbd_put_keysym_console(con, '\n');
break;
default:
kbd_put_qcode_console(con, qcode, ctrl);
break;
}
}
} else {
qemu_input_event_send_key_qcode(con, qcode,
ev->type == SDL_KEYDOWN);
}
}