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 /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
  27 #undef WIN32_LEAN_AND_MEAN
  28
  29 #include <SDL.h>
  30 #include <SDL_syswm.h>
  31
  32 #include "qemu-common.h"
  33 #include "ui/console.h"
  34 #include "ui/input.h"
  35 #include "ui/sdl2.h"
  36 #include "sysemu/sysemu.h"
  37
  38 #include "sdl2-keymap.h"
  39
  40 static uint8_t modifiers_state[SDL_NUM_SCANCODES];
  41
  42 void sdl2_reset_keys(struct sdl2_console *scon)
  43 {
  44     QemuConsole *con = scon ? scon->dcl.con : NULL;
  45     int i;
  46
  47     for (i = 0; i < SDL_NUM_SCANCODES; i++) {
  48         if (modifiers_state[i]) {
  49             int qcode = sdl2_scancode_to_qcode[i];
  50             qemu_input_event_send_key_qcode(con, qcode, false);
  51             modifiers_state[i] = 0;
  52         }
  53     }
  54 }
  55
  56 void sdl2_process_key(struct sdl2_console *scon,
  57                       SDL_KeyboardEvent *ev)
  58 {
  59     int qcode = sdl2_scancode_to_qcode[ev->keysym.scancode];
  60     QemuConsole *con = scon ? scon->dcl.con : NULL;
  61
  62     if (!qemu_console_is_graphic(con)) {
  63         if (ev->type == SDL_KEYDOWN) {
  64             switch (ev->keysym.scancode) {
  65             case SDL_SCANCODE_RETURN:
  66                 kbd_put_keysym_console(con, '\n');
  67                 break;
  68             case SDL_SCANCODE_BACKSPACE:
  69                 kbd_put_keysym_console(con, QEMU_KEY_BACKSPACE);
  70                 break;
  71             default:
  72                 kbd_put_qcode_console(con, qcode);
  73                 break;
  74             }
  75         }
  76         return;
  77     }
  78
  79     switch (ev->keysym.scancode) {
  80 #if 0
  81     case SDL_SCANCODE_NUMLOCKCLEAR:
  82     case SDL_SCANCODE_CAPSLOCK:
  83         /* SDL does not send the key up event, so we generate it */
  84         qemu_input_event_send_key_qcode(con, qcode, true);
  85         qemu_input_event_send_key_qcode(con, qcode, false);
  86         return;
  87 #endif
  88     case SDL_SCANCODE_LCTRL:
  89     case SDL_SCANCODE_LSHIFT:
  90     case SDL_SCANCODE_LALT:
  91     case SDL_SCANCODE_LGUI:
  92     case SDL_SCANCODE_RCTRL:
  93     case SDL_SCANCODE_RSHIFT:
  94     case SDL_SCANCODE_RALT:
  95     case SDL_SCANCODE_RGUI:
  96         if (ev->type == SDL_KEYUP) {
  97             modifiers_state[ev->keysym.scancode] = 0;
  98         } else {
  99             modifiers_state[ev->keysym.scancode] = 1;
 100         }
 101         /* fall though */
 102     default:
 103         qemu_input_event_send_key_qcode(con, qcode,
 104                                         ev->type == SDL_KEYDOWN);
 105     }
 106 }