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xemu/ui/curses_keys.h
Samuel Thibault 459a707ecc curses: support wide input 
This makes use of wide curses functions instead of 8bit functions. This
allows to type e.g. accented letters.

Unfortunately, key codes are then returned with values that could be
confused with wide characters by ncurses, so we need to add a maybe_keycode
variable to know whether the returned value is a key code or a character
(curses with wide support), or possibly both (curses without wide support).

The translation tables thus also need to be separated into key code
translation and character translation.  The curses2foo helper makes it easier
to use them.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20190304210532.7840-1-samuel.thibault@ens-lyon.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-11 08:39:02 +01:00

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/*
* Keycode and keysyms conversion tables for curses
*
* Copyright (c) 2005 Andrzej Zaborowski <balrog@zabor.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_CURSES_KEYS_H
#define QEMU_CURSES_KEYS_H
#include <curses.h>
#include "keymaps.h"
#define KEY_MASK SCANCODE_KEYMASK
#define GREY_CODE 0xe0
#define GREY SCANCODE_GREY
#define SHIFT_CODE 0x2a
#define SHIFT SCANCODE_SHIFT
#define CNTRL_CODE 0x1d
#define CNTRL SCANCODE_CTRL
#define ALT_CODE 0x38
#define ALT SCANCODE_ALT
#define ALTGR SCANCODE_ALTGR
#define KEYSYM_MASK 0x0ffffff
#define KEYSYM_SHIFT (SCANCODE_SHIFT << 16)
#define KEYSYM_CNTRL (SCANCODE_CTRL << 16)
#define KEYSYM_ALT (SCANCODE_ALT << 16)
#define KEYSYM_ALTGR (SCANCODE_ALTGR << 16)
/* curses won't detect a Control + Alt + 1, so use Alt + 1 */
#define QEMU_KEY_CONSOLE0 (2 | ALT) /* (curses2keycode['1'] | ALT) */
#define CURSES_CHARS 0x100 /* Support latin1 only */
#define CURSES_KEYS KEY_MAX /* KEY_MAX defined in <curses.h> */
static const int _curses2keysym[CURSES_CHARS] = {
[0 ... (CURSES_CHARS - 1)] = -1,
[0x7f] = KEY_BACKSPACE,
['\r'] = KEY_ENTER,
['\n'] = KEY_ENTER,
[27] = 27,
};
static const int _curseskey2keysym[CURSES_KEYS] = {
[0 ... (CURSES_KEYS - 1)] = -1,
[KEY_BTAB] = '\t' | KEYSYM_SHIFT,
[KEY_SPREVIOUS] = KEY_PPAGE | KEYSYM_SHIFT,
[KEY_SNEXT] = KEY_NPAGE | KEYSYM_SHIFT,
};
static const int _curses2keycode[CURSES_CHARS] = {
[0 ... (CURSES_CHARS - 1)] = -1,
[0x01b] = 1, /* Escape */
['1'] = 2,
['2'] = 3,
['3'] = 4,
['4'] = 5,
['5'] = 6,
['6'] = 7,
['7'] = 8,
['8'] = 9,
['9'] = 10,
['0'] = 11,
['-'] = 12,
['='] = 13,
[0x07f] = 14, /* Backspace */
['\t'] = 15, /* Tab */
['q'] = 16,
['w'] = 17,
['e'] = 18,
['r'] = 19,
['t'] = 20,
['y'] = 21,
['u'] = 22,
['i'] = 23,
['o'] = 24,
['p'] = 25,
['['] = 26,
[']'] = 27,
['\n'] = 28, /* Return */
['\r'] = 28, /* Return */
['a'] = 30,
['s'] = 31,
['d'] = 32,
['f'] = 33,
['g'] = 34,
['h'] = 35,
['j'] = 36,
['k'] = 37,
['l'] = 38,
[';'] = 39,
['\''] = 40, /* Single quote */
['`'] = 41,
['\\'] = 43, /* Backslash */
['z'] = 44,
['x'] = 45,
['c'] = 46,
['v'] = 47,
['b'] = 48,
['n'] = 49,
['m'] = 50,
[','] = 51,
['.'] = 52,
['/'] = 53,
[' '] = 57,
['!'] = 2 | SHIFT,
['@'] = 3 | SHIFT,
['#'] = 4 | SHIFT,
['$'] = 5 | SHIFT,
['%'] = 6 | SHIFT,
['^'] = 7 | SHIFT,
['&'] = 8 | SHIFT,
['*'] = 9 | SHIFT,
['('] = 10 | SHIFT,
[')'] = 11 | SHIFT,
['_'] = 12 | SHIFT,
['+'] = 13 | SHIFT,
['Q'] = 16 | SHIFT,
['W'] = 17 | SHIFT,
['E'] = 18 | SHIFT,
['R'] = 19 | SHIFT,
['T'] = 20 | SHIFT,
['Y'] = 21 | SHIFT,
['U'] = 22 | SHIFT,
['I'] = 23 | SHIFT,
['O'] = 24 | SHIFT,
['P'] = 25 | SHIFT,
['{'] = 26 | SHIFT,
['}'] = 27 | SHIFT,
['A'] = 30 | SHIFT,
['S'] = 31 | SHIFT,
['D'] = 32 | SHIFT,
['F'] = 33 | SHIFT,
['G'] = 34 | SHIFT,
['H'] = 35 | SHIFT,
['J'] = 36 | SHIFT,
['K'] = 37 | SHIFT,
['L'] = 38 | SHIFT,
[':'] = 39 | SHIFT,
['"'] = 40 | SHIFT,
['~'] = 41 | SHIFT,
['|'] = 43 | SHIFT,
['Z'] = 44 | SHIFT,
['X'] = 45 | SHIFT,
['C'] = 46 | SHIFT,
['V'] = 47 | SHIFT,
['B'] = 48 | SHIFT,
['N'] = 49 | SHIFT,
['M'] = 50 | SHIFT,
['<'] = 51 | SHIFT,
['>'] = 52 | SHIFT,
['?'] = 53 | SHIFT,
['Q' - '@'] = 16 | CNTRL, /* Control + q */
['W' - '@'] = 17 | CNTRL, /* Control + w */
['E' - '@'] = 18 | CNTRL, /* Control + e */
['R' - '@'] = 19 | CNTRL, /* Control + r */
['T' - '@'] = 20 | CNTRL, /* Control + t */
['Y' - '@'] = 21 | CNTRL, /* Control + y */
['U' - '@'] = 22 | CNTRL, /* Control + u */
/* Control + i collides with Tab */
['O' - '@'] = 24 | CNTRL, /* Control + o */
['P' - '@'] = 25 | CNTRL, /* Control + p */
['A' - '@'] = 30 | CNTRL, /* Control + a */
['S' - '@'] = 31 | CNTRL, /* Control + s */
['D' - '@'] = 32 | CNTRL, /* Control + d */
['F' - '@'] = 33 | CNTRL, /* Control + f */
['G' - '@'] = 34 | CNTRL, /* Control + g */
['H' - '@'] = 35 | CNTRL, /* Control + h */
/* Control + j collides with Return */
['K' - '@'] = 37 | CNTRL, /* Control + k */
['L' - '@'] = 38 | CNTRL, /* Control + l */
['Z' - '@'] = 44 | CNTRL, /* Control + z */
['X' - '@'] = 45 | CNTRL, /* Control + x */
['C' - '@'] = 46 | CNTRL, /* Control + c */
['V' - '@'] = 47 | CNTRL, /* Control + v */
['B' - '@'] = 48 | CNTRL, /* Control + b */
['N' - '@'] = 49 | CNTRL, /* Control + n */
/* Control + m collides with the keycode for Enter */
};
static const int _curseskey2keycode[CURSES_KEYS] = {
[0 ... (CURSES_KEYS - 1)] = -1,
[KEY_BACKSPACE] = 14, /* Backspace */
[KEY_ENTER] = 28, /* Return */
[KEY_F(1)] = 59, /* Function Key 1 */
[KEY_F(2)] = 60, /* Function Key 2 */
[KEY_F(3)] = 61, /* Function Key 3 */
[KEY_F(4)] = 62, /* Function Key 4 */
[KEY_F(5)] = 63, /* Function Key 5 */
[KEY_F(6)] = 64, /* Function Key 6 */
[KEY_F(7)] = 65, /* Function Key 7 */
[KEY_F(8)] = 66, /* Function Key 8 */
[KEY_F(9)] = 67, /* Function Key 9 */
[KEY_F(10)] = 68, /* Function Key 10 */
[KEY_F(11)] = 87, /* Function Key 11 */
[KEY_F(12)] = 88, /* Function Key 12 */
[KEY_HOME] = 71 | GREY, /* Home */
[KEY_UP] = 72 | GREY, /* Up Arrow */
[KEY_PPAGE] = 73 | GREY, /* Page Up */
[KEY_LEFT] = 75 | GREY, /* Left Arrow */
[KEY_RIGHT] = 77 | GREY, /* Right Arrow */
[KEY_END] = 79 | GREY, /* End */
[KEY_DOWN] = 80 | GREY, /* Down Arrow */
[KEY_NPAGE] = 81 | GREY, /* Page Down */
[KEY_IC] = 82 | GREY, /* Insert */
[KEY_DC] = 83 | GREY, /* Delete */
[KEY_SPREVIOUS] = 73 | GREY | SHIFT, /* Shift + Page Up */
[KEY_SNEXT] = 81 | GREY | SHIFT, /* Shift + Page Down */
[KEY_BTAB] = 15 | SHIFT, /* Shift + Tab */
[KEY_F(13)] = 59 | SHIFT, /* Shift + Function Key 1 */
[KEY_F(14)] = 60 | SHIFT, /* Shift + Function Key 2 */
[KEY_F(15)] = 61 | SHIFT, /* Shift + Function Key 3 */
[KEY_F(16)] = 62 | SHIFT, /* Shift + Function Key 4 */
[KEY_F(17)] = 63 | SHIFT, /* Shift + Function Key 5 */
[KEY_F(18)] = 64 | SHIFT, /* Shift + Function Key 6 */
[KEY_F(19)] = 65 | SHIFT, /* Shift + Function Key 7 */
[KEY_F(20)] = 66 | SHIFT, /* Shift + Function Key 8 */
[KEY_F(21)] = 67 | SHIFT, /* Shift + Function Key 9 */
[KEY_F(22)] = 68 | SHIFT, /* Shift + Function Key 10 */
[KEY_F(23)] = 69 | SHIFT, /* Shift + Function Key 11 */
[KEY_F(24)] = 70 | SHIFT, /* Shift + Function Key 12 */
};
static const int _curses2qemu[CURSES_CHARS] = {
[0 ... (CURSES_CHARS - 1)] = -1,
['\n'] = '\n',
['\r'] = '\n',
[0x07f] = QEMU_KEY_BACKSPACE,
};
static const int _curseskey2qemu[CURSES_KEYS] = {
[0 ... (CURSES_KEYS - 1)] = -1,
[KEY_DOWN] = QEMU_KEY_DOWN,
[KEY_UP] = QEMU_KEY_UP,
[KEY_LEFT] = QEMU_KEY_LEFT,
[KEY_RIGHT] = QEMU_KEY_RIGHT,
[KEY_HOME] = QEMU_KEY_HOME,
[KEY_BACKSPACE] = QEMU_KEY_BACKSPACE,
[KEY_DC] = QEMU_KEY_DELETE,
[KEY_NPAGE] = QEMU_KEY_PAGEDOWN,
[KEY_PPAGE] = QEMU_KEY_PAGEUP,
[KEY_ENTER] = '\n',
[KEY_END] = QEMU_KEY_END,
};
static const name2keysym_t name2keysym[] = {
/* Plain ASCII */
{ "space", 0x020 },
{ "exclam", 0x021 },
{ "quotedbl", 0x022 },
{ "numbersign", 0x023 },
{ "dollar", 0x024 },
{ "percent", 0x025 },
{ "ampersand", 0x026 },
{ "apostrophe", 0x027 },
{ "parenleft", 0x028 },
{ "parenright", 0x029 },
{ "asterisk", 0x02a },
{ "plus", 0x02b },
{ "comma", 0x02c },
{ "minus", 0x02d },
{ "period", 0x02e },
{ "slash", 0x02f },
{ "0", 0x030 },
{ "1", 0x031 },
{ "2", 0x032 },
{ "3", 0x033 },
{ "4", 0x034 },
{ "5", 0x035 },
{ "6", 0x036 },
{ "7", 0x037 },
{ "8", 0x038 },
{ "9", 0x039 },
{ "colon", 0x03a },
{ "semicolon", 0x03b },
{ "less", 0x03c },
{ "equal", 0x03d },
{ "greater", 0x03e },
{ "question", 0x03f },
{ "at", 0x040 },
{ "A", 0x041 },
{ "B", 0x042 },
{ "C", 0x043 },
{ "D", 0x044 },
{ "E", 0x045 },
{ "F", 0x046 },
{ "G", 0x047 },
{ "H", 0x048 },
{ "I", 0x049 },
{ "J", 0x04a },
{ "K", 0x04b },
{ "L", 0x04c },
{ "M", 0x04d },
{ "N", 0x04e },
{ "O", 0x04f },
{ "P", 0x050 },
{ "Q", 0x051 },
{ "R", 0x052 },
{ "S", 0x053 },
{ "T", 0x054 },
{ "U", 0x055 },
{ "V", 0x056 },
{ "W", 0x057 },
{ "X", 0x058 },
{ "Y", 0x059 },
{ "Z", 0x05a },
{ "bracketleft", 0x05b },
{ "backslash", 0x05c },
{ "bracketright", 0x05d },
{ "asciicircum", 0x05e },
{ "underscore", 0x05f },
{ "grave", 0x060 },
{ "a", 0x061 },
{ "b", 0x062 },
{ "c", 0x063 },
{ "d", 0x064 },
{ "e", 0x065 },
{ "f", 0x066 },
{ "g", 0x067 },
{ "h", 0x068 },
{ "i", 0x069 },
{ "j", 0x06a },
{ "k", 0x06b },
{ "l", 0x06c },
{ "m", 0x06d },
{ "n", 0x06e },
{ "o", 0x06f },
{ "p", 0x070 },
{ "q", 0x071 },
{ "r", 0x072 },
{ "s", 0x073 },
{ "t", 0x074 },
{ "u", 0x075 },
{ "v", 0x076 },
{ "w", 0x077 },
{ "x", 0x078 },
{ "y", 0x079 },
{ "z", 0x07a },
{ "braceleft", 0x07b },
{ "bar", 0x07c },
{ "braceright", 0x07d },
{ "asciitilde", 0x07e },
/* Latin-1 extensions */
{ "nobreakspace", 0x0a0 },
{ "exclamdown", 0x0a1 },
{ "cent", 0x0a2 },
{ "sterling", 0x0a3 },
{ "currency", 0x0a4 },
{ "yen", 0x0a5 },
{ "brokenbar", 0x0a6 },
{ "section", 0x0a7 },
{ "diaeresis", 0x0a8 },
{ "copyright", 0x0a9 },
{ "ordfeminine", 0x0aa },
{ "guillemotleft", 0x0ab },
{ "notsign", 0x0ac },
{ "hyphen", 0x0ad },
{ "registered", 0x0ae },
{ "macron", 0x0af },
{ "degree", 0x0b0 },
{ "plusminus", 0x0b1 },
{ "twosuperior", 0x0b2 },
{ "threesuperior", 0x0b3 },
{ "acute", 0x0b4 },
{ "mu", 0x0b5 },
{ "paragraph", 0x0b6 },
{ "periodcentered", 0x0b7 },
{ "cedilla", 0x0b8 },
{ "onesuperior", 0x0b9 },
{ "masculine", 0x0ba },
{ "guillemotright", 0x0bb },
{ "onequarter", 0x0bc },
{ "onehalf", 0x0bd },
{ "threequarters", 0x0be },
{ "questiondown", 0x0bf },
{ "Agrave", 0x0c0 },
{ "Aacute", 0x0c1 },
{ "Acircumflex", 0x0c2 },
{ "Atilde", 0x0c3 },
{ "Adiaeresis", 0x0c4 },
{ "Aring", 0x0c5 },
{ "AE", 0x0c6 },
{ "Ccedilla", 0x0c7 },
{ "Egrave", 0x0c8 },
{ "Eacute", 0x0c9 },
{ "Ecircumflex", 0x0ca },
{ "Ediaeresis", 0x0cb },
{ "Igrave", 0x0cc },
{ "Iacute", 0x0cd },
{ "Icircumflex", 0x0ce },
{ "Idiaeresis", 0x0cf },
{ "ETH", 0x0d0 },
{ "Eth", 0x0d0 },
{ "Ntilde", 0x0d1 },
{ "Ograve", 0x0d2 },
{ "Oacute", 0x0d3 },
{ "Ocircumflex", 0x0d4 },
{ "Otilde", 0x0d5 },
{ "Odiaeresis", 0x0d6 },
{ "multiply", 0x0d7 },
{ "Ooblique", 0x0d8 },
{ "Oslash", 0x0d8 },
{ "Ugrave", 0x0d9 },
{ "Uacute", 0x0da },
{ "Ucircumflex", 0x0db },
{ "Udiaeresis", 0x0dc },
{ "Yacute", 0x0dd },
{ "THORN", 0x0de },
{ "Thorn", 0x0de },
{ "ssharp", 0x0df },
{ "agrave", 0x0e0 },
{ "aacute", 0x0e1 },
{ "acircumflex", 0x0e2 },
{ "atilde", 0x0e3 },
{ "adiaeresis", 0x0e4 },
{ "aring", 0x0e5 },
{ "ae", 0x0e6 },
{ "ccedilla", 0x0e7 },
{ "egrave", 0x0e8 },
{ "eacute", 0x0e9 },
{ "ecircumflex", 0x0ea },
{ "ediaeresis", 0x0eb },
{ "igrave", 0x0ec },
{ "iacute", 0x0ed },
{ "icircumflex", 0x0ee },
{ "idiaeresis", 0x0ef },
{ "eth", 0x0f0 },
{ "ntilde", 0x0f1 },
{ "ograve", 0x0f2 },
{ "oacute", 0x0f3 },
{ "ocircumflex", 0x0f4 },
{ "otilde", 0x0f5 },
{ "odiaeresis", 0x0f6 },
{ "division", 0x0f7 },
{ "oslash", 0x0f8 },
{ "ooblique", 0x0f8 },
{ "ugrave", 0x0f9 },
{ "uacute", 0x0fa },
{ "ucircumflex", 0x0fb },
{ "udiaeresis", 0x0fc },
{ "yacute", 0x0fd },
{ "thorn", 0x0fe },
{ "ydiaeresis", 0x0ff },
/* Special keys */
{ "BackSpace", KEY_BACKSPACE },
{ "Tab", '\t' },
{ "Return", KEY_ENTER },
{ "Right", KEY_RIGHT },
{ "Left", KEY_LEFT },
{ "Up", KEY_UP },
{ "Down", KEY_DOWN },
{ "Next", KEY_NPAGE },
{ "Page_Down", KEY_NPAGE },
{ "Prior", KEY_PPAGE },
{ "Page_Up", KEY_PPAGE },
{ "Insert", KEY_IC },
{ "Delete", KEY_DC },
{ "Home", KEY_HOME },
{ "End", KEY_END },
{ "F1", KEY_F(1) },
{ "F2", KEY_F(2) },
{ "F3", KEY_F(3) },
{ "F4", KEY_F(4) },
{ "F5", KEY_F(5) },
{ "F6", KEY_F(6) },
{ "F7", KEY_F(7) },
{ "F8", KEY_F(8) },
{ "F9", KEY_F(9) },
{ "F10", KEY_F(10) },
{ "F11", KEY_F(11) },
{ "F12", KEY_F(12) },
{ "F13", KEY_F(13) },
{ "F14", KEY_F(14) },
{ "F15", KEY_F(15) },
{ "F16", KEY_F(16) },
{ "F17", KEY_F(17) },
{ "F18", KEY_F(18) },
{ "F19", KEY_F(19) },
{ "F20", KEY_F(20) },
{ "F21", KEY_F(21) },
{ "F22", KEY_F(22) },
{ "F23", KEY_F(23) },
{ "F24", KEY_F(24) },
{ "Escape", 27 },
{ NULL, 0 },
};
#endif
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