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
  30 typedef struct {
  31         const char* name;
  32         int keysym;
  33 } name2keysym_t;
  34
  35 struct 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
  43 typedef 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 #define SCANCODE_EMUL1  0xE1
  63 /* "up" flag */
  64 #define SCANCODE_UP     0x80
  65
  66 /* Additional modifiers to use if not catched another way. */
  67 #define SCANCODE_SHIFT  0x100
  68 #define SCANCODE_CTRL   0x200
  69 #define SCANCODE_ALT    0x400
  70 #define SCANCODE_ALTGR  0x800
  71
  72
  73 void *init_keyboard_layout(const name2keysym_t *table, const char *language);
  74 int keysym2scancode(void *kbd_layout, int keysym);
  75 int keycode_is_keypad(void *kbd_layout, int keycode);
  76 int keysym_is_numlock(void *kbd_layout, int keysym);
  77
  78 #endif /* QEMU_KEYMAPS_H */