LXR qemu/ui/sdl2-input.c

   1/*
   2 * QEMU SDL display driver
   3 *
   4 * Copyright (c) 2003 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
  25
  26#include "qemu/osdep.h"
  27#include "qemu-common.h"
  28#include "ui/console.h"
  29#include "ui/input.h"
  30#include "ui/sdl2.h"
  31#include "sysemu/sysemu.h"
  32
  33#include "sdl2-keymap.h"
  34
  35static uint8_t modifiers_state[SDL_NUM_SCANCODES];
  36
  37void sdl2_reset_keys(struct sdl2_console *scon)
  38{
  39    QemuConsole *con = scon ? scon->dcl.con : NULL;
  40    int i;
  41
  42    for (i = 0; i < SDL_NUM_SCANCODES; i++) {
  43        if (modifiers_state[i]) {
  44            int qcode = sdl2_scancode_to_qcode[i];
  45            qemu_input_event_send_key_qcode(con, qcode, false);
  46            modifiers_state[i] = 0;
  47        }
  48    }
  49}
  50
  51void sdl2_process_key(struct sdl2_console *scon,
  52                      SDL_KeyboardEvent *ev)
  53{
  54    int qcode = sdl2_scancode_to_qcode[ev->keysym.scancode];
  55    QemuConsole *con = scon ? scon->dcl.con : NULL;
  56
  57    if (!qemu_console_is_graphic(con)) {
  58        if (ev->type == SDL_KEYDOWN) {
  59            switch (ev->keysym.scancode) {
  60            case SDL_SCANCODE_RETURN:
  61                kbd_put_keysym_console(con, '\n');
  62                break;
  63            case SDL_SCANCODE_BACKSPACE:
  64                kbd_put_keysym_console(con, QEMU_KEY_BACKSPACE);
  65                break;
  66            default:
  67                kbd_put_qcode_console(con, qcode);
  68                break;
  69            }
  70        }
  71        return;
  72    }
  73
  74    switch (ev->keysym.scancode) {
  75#if 0
  76    case SDL_SCANCODE_NUMLOCKCLEAR:
  77    case SDL_SCANCODE_CAPSLOCK:
  78        /* SDL does not send the key up event, so we generate it */
  79        qemu_input_event_send_key_qcode(con, qcode, true);
  80        qemu_input_event_send_key_qcode(con, qcode, false);
  81        return;
  82#endif
  83    case SDL_SCANCODE_LCTRL:
  84    case SDL_SCANCODE_LSHIFT:
  85    case SDL_SCANCODE_LALT:
  86    case SDL_SCANCODE_LGUI:
  87    case SDL_SCANCODE_RCTRL:
  88    case SDL_SCANCODE_RSHIFT:
  89    case SDL_SCANCODE_RALT:
  90    case SDL_SCANCODE_RGUI:
  91        if (ev->type == SDL_KEYUP) {
  92            modifiers_state[ev->keysym.scancode] = 0;
  93        } else {
  94            modifiers_state[ev->keysym.scancode] = 1;
  95        }
  96        /* fall though */
  97    default:
  98        qemu_input_event_send_key_qcode(con, qcode,
  99                                        ev->type == SDL_KEYDOWN);
 100    }
 101}
 102