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 /* "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 72 void *init_keyboard_layout(const name2keysym_t *table, const char *language); 73 int keysym2scancode(void *kbd_layout, int keysym); 74 int keycode_is_keypad(void *kbd_layout, int keycode); 75 int keysym_is_numlock(void *kbd_layout, int keysym); 76 77 #endif /* __QEMU_KEYMAPS_H__ */ 78