LXR qemu/ui/keymaps.h

   1/*
   2 * QEMU keysym to keycode conversion using rdesktop keymaps
   3 *
   4 * Copyright (c) 2004 Johannes Schindelin
   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
  25#ifndef __QEMU_KEYMAPS_H__
  26#define __QEMU_KEYMAPS_H__
  27
  28#include "qemu-common.h"
  29
  30typedef struct {
  31        const char* name;
  32        int keysym;
  33} name2keysym_t;
  34
  35struct key_range {
  36    int start;
  37    int end;
  38    struct key_range *next;
  39};
  40
  41#define MAX_NORMAL_KEYCODE 512
  42#define MAX_EXTRA_COUNT 256
  43typedef struct {
  44    uint16_t keysym2keycode[MAX_NORMAL_KEYCODE];
  45    struct {
  46        int keysym;
  47        uint16_t keycode;
  48    } keysym2keycode_extra[MAX_EXTRA_COUNT];
  49    int extra_count;
  50    struct key_range *keypad_range;
  51    struct key_range *numlock_range;
  52} kbd_layout_t;
  53
  54/* scancode without modifiers */
  55#define SCANCODE_KEYMASK 0xff
  56/* scancode without grey or up bit */
  57#define SCANCODE_KEYCODEMASK 0x7f
  58
  59/* "grey" keys will usually need a 0xe0 prefix */
  60#define SCANCODE_GREY   0x80
  61#define SCANCODE_EMUL0  0xE0
  62/* "up" flag */
  63#define SCANCODE_UP     0x80
  64
  65/* Additional modifiers to use if not catched another way. */
  66#define SCANCODE_SHIFT  0x100
  67#define SCANCODE_CTRL   0x200
  68#define SCANCODE_ALT    0x400
  69#define SCANCODE_ALTGR  0x800
  70
  71
  72void *init_keyboard_layout(const name2keysym_t *table, const char *language);
  73int keysym2scancode(void *kbd_layout, int keysym);
  74int keycode_is_keypad(void *kbd_layout, int keycode);
  75int keysym_is_numlock(void *kbd_layout, int keysym);
  76
  77#endif /* __QEMU_KEYMAPS_H__ */
  78