397 lines
10 KiB
C
397 lines
10 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/util/misc.h>
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#include <grub/i18n.h>
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#include <grub/term.h>
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#include <grub/keyboard_layouts.h>
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#include <grub/at_keyboard.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <errno.h>
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#include "progname.h"
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#define CKBCOMP "ckbcomp"
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static struct option options[] = {
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{"output", required_argument, 0, 'o'},
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'V'},
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{"verbose", no_argument, 0, 'v'},
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{0, 0, 0, 0}
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};
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struct console_grub_equivalence
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{
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char *layout;
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grub_uint32_t grub;
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};
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static struct console_grub_equivalence console_grub_equivalences[] = {
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{"Escape", GRUB_TERM_ESC},
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{"Tab", GRUB_TERM_TAB},
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{"Delete", GRUB_TERM_BACKSPACE},
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{"KP_Multiply", '*'},
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{"KP_Subtract", '-'},
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{"KP_Add", '+'},
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{"KP_Divide", '/'},
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{"KP_Enter", '\n'},
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{"Return", '\n'},
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{"F1", GRUB_TERM_KEY_F1},
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{"F2", GRUB_TERM_KEY_F2},
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{"F3", GRUB_TERM_KEY_F3},
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{"F4", GRUB_TERM_KEY_F4},
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{"F5", GRUB_TERM_KEY_F5},
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{"F6", GRUB_TERM_KEY_F6},
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{"F7", GRUB_TERM_KEY_F7},
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{"F8", GRUB_TERM_KEY_F8},
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{"F9", GRUB_TERM_KEY_F9},
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{"F10", GRUB_TERM_KEY_F10},
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{"F11", GRUB_TERM_KEY_F11},
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{"F12", GRUB_TERM_KEY_F12},
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{"F13", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT},
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{"F14", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT},
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{"F15", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT},
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{"F16", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT},
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{"F17", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT},
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{"F18", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT},
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{"F19", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT},
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{"F20", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT},
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{"F21", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT},
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{"F22", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT},
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{"F23", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT},
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{"F24", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT},
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{"Console_13", GRUB_TERM_KEY_F1 | GRUB_TERM_ALT},
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{"Console_14", GRUB_TERM_KEY_F2 | GRUB_TERM_ALT},
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{"Console_15", GRUB_TERM_KEY_F3 | GRUB_TERM_ALT},
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{"Console_16", GRUB_TERM_KEY_F4 | GRUB_TERM_ALT},
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{"Console_17", GRUB_TERM_KEY_F5 | GRUB_TERM_ALT},
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{"Console_18", GRUB_TERM_KEY_F6 | GRUB_TERM_ALT},
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{"Console_19", GRUB_TERM_KEY_F7 | GRUB_TERM_ALT},
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{"Console_20", GRUB_TERM_KEY_F8 | GRUB_TERM_ALT},
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{"Console_21", GRUB_TERM_KEY_F9 | GRUB_TERM_ALT},
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{"Console_22", GRUB_TERM_KEY_F10 | GRUB_TERM_ALT},
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{"Console_23", GRUB_TERM_KEY_F11 | GRUB_TERM_ALT},
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{"Console_24", GRUB_TERM_KEY_F12 | GRUB_TERM_ALT},
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{"Console_25", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_26", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_27", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_28", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_29", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_30", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_31", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_32", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_33", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_34", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_35", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Console_36", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
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{"Insert", GRUB_TERM_KEY_INSERT},
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{"Down", GRUB_TERM_KEY_DOWN},
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{"Up", GRUB_TERM_KEY_UP},
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{"Home", GRUB_TERM_KEY_HOME},
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{"End", GRUB_TERM_KEY_END},
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{"Right", GRUB_TERM_KEY_RIGHT},
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{"Left", GRUB_TERM_KEY_LEFT},
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{"VoidSymbol", 0},
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/* "Undead" keys since no dead key support in GRUB. */
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{"dead_acute", '\''},
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{"dead_circumflex", '^'},
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{"dead_grave", '`'},
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{"dead_tilde", '~'},
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{"dead_diaeresis", '"'},
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/* Following ones don't provide any useful symbols for shell. */
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{"dead_cedilla", 0},
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{"dead_ogonek", 0},
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{"dead_caron", 0},
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{"dead_breve", 0},
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{"dead_doubleacute", 0},
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/* NumLock not supported yet. */
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{"KP_0", GRUB_TERM_KEY_INSERT},
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{"KP_1", GRUB_TERM_KEY_END},
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{"KP_2", GRUB_TERM_KEY_DOWN},
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{"KP_3", GRUB_TERM_KEY_NPAGE},
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{"KP_4", GRUB_TERM_KEY_LEFT},
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{"KP_5", 0},
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{"KP_6", GRUB_TERM_KEY_RIGHT},
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{"KP_7", GRUB_TERM_KEY_HOME},
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{"KP_8", GRUB_TERM_KEY_UP},
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{"KP_9", GRUB_TERM_KEY_PPAGE},
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{"KP_Period", GRUB_TERM_KEY_DC},
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/* Unused in GRUB. */
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{"Pause", 0},
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{"Remove", 0},
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{"Next", 0},
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{"Prior", 0},
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{"Scroll_Forward", 0},
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{"Scroll_Backward", 0},
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{"Hex_0", 0},
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{"Hex_1", 0},
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{"Hex_2", 0},
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{"Hex_3", 0},
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{"Hex_4", 0},
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{"Hex_5", 0},
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{"Hex_6", 0},
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{"Hex_7", 0},
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{"Hex_8", 0},
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{"Hex_9", 0},
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{"Hex_A", 0},
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{"Hex_B", 0},
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{"Hex_C", 0},
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{"Hex_D", 0},
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{"Hex_E", 0},
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{"Hex_F", 0},
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{"Scroll_Lock", 0},
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{"Show_Memory", 0},
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{"Show_Registers", 0},
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{"Control_backslash", 0},
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/* Keys currently not remappable. */
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{"CtrlL_Lock", 0},
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{"Num_Lock", 0},
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{"Alt", 0},
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{"AltGr", 0},
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{"Control", 0},
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{"Shift", 0},
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{NULL, '\0'}
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};
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static void
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usage (int status)
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{
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if (status)
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fprintf (stderr, "Try `%s --help' for more information.\n", program_name);
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else
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printf ("\
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Usage: %s [OPTIONS] LAYOUT\n\
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-o, --output set output base name file. Default is LAYOUT.gkb\n\
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-h, --help display this message and exit.\n\
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-V, --version print version information and exit.\n\
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-v, --verbose print verbose messages.\n\
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\n\
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Report bugs to <%s>.\n", program_name, PACKAGE_BUGREPORT);
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exit (status);
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}
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void
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add_special_keys (struct grub_keyboard_layout *layout)
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{
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/* OLPC keys. */
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layout->keyboard_map[101] = GRUB_TERM_KEY_UP;
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layout->keyboard_map[102] = GRUB_TERM_KEY_DOWN;
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layout->keyboard_map[103] = GRUB_TERM_KEY_LEFT;
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layout->keyboard_map[104] = GRUB_TERM_KEY_RIGHT;
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}
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static char
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lookup (char *code)
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{
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int i;
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for (i = 0; console_grub_equivalences[i].layout != NULL; i++)
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if (strcmp (code, console_grub_equivalences[i].layout) == 0)
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return console_grub_equivalences[i].grub;
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printf ("Unknown key %s\n", code);
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return '\0';
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}
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static unsigned int
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get_grub_code (char *layout_code)
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{
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unsigned int code;
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if (strncmp (layout_code, "U+", sizeof ("U+") - 1) == 0)
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sscanf (layout_code, "U+%x", &code);
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else if (strncmp (layout_code, "+U+", sizeof ("+U+") - 1) == 0)
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sscanf (layout_code, "+U+%x", &code);
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else
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code = lookup (layout_code);
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return code;
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}
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static void
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write_file (FILE *out, struct grub_keyboard_layout *layout)
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{
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grub_uint32_t version;
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unsigned i;
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version = grub_cpu_to_le32 (GRUB_KEYBOARD_LAYOUTS_VERSION);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map); i++)
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layout->keyboard_map[i] = grub_cpu_to_le32(layout->keyboard_map[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift); i++)
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layout->keyboard_map_shift[i]
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= grub_cpu_to_le32(layout->keyboard_map_shift[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_l3); i++)
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layout->keyboard_map_l3[i]
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= grub_cpu_to_le32(layout->keyboard_map_l3[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift_l3); i++)
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layout->keyboard_map_shift_l3[i]
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= grub_cpu_to_le32(layout->keyboard_map_shift_l3[i]);
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fwrite (GRUB_KEYBOARD_LAYOUTS_FILEMAGIC, 1,
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GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE, out);
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fwrite (&version, sizeof (version), 1, out);
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fwrite (layout, 1, sizeof (*layout), out);
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}
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static void
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write_keymaps (FILE *in, FILE *out)
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{
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struct grub_keyboard_layout layout;
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char line[2048];
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int ok;
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memset (&layout, 0, sizeof (layout));
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/* Process the ckbcomp output and prepare the layouts. */
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ok = 0;
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while (fgets (line, sizeof (line), in))
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{
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if (strncmp (line, "keycode", sizeof ("keycode") - 1) == 0)
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{
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unsigned keycode;
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char normal[64];
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char shift[64];
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char normalalt[64];
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char shiftalt[64];
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sscanf (line, "keycode %u = %60s %60s %60s %60s", &keycode,
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normal, shift, normalalt, shiftalt);
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if (keycode < GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
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{
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layout.keyboard_map[keycode] = get_grub_code (normal);
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layout.keyboard_map_shift[keycode] = get_grub_code (shift);
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layout.keyboard_map_l3[keycode] = get_grub_code (normalalt);
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layout.keyboard_map_shift_l3[keycode]
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= get_grub_code (shiftalt);
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ok = 1;
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}
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}
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}
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if (ok == 0)
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{
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fprintf (stderr, "ERROR: no keycodes found. Check output of %s.\n",
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CKBCOMP);
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exit (1);
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}
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add_special_keys (&layout);
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write_file (out, &layout);
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}
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int
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main (int argc, char *argv[])
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{
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int verbosity;
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char *infile_name = NULL;
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char *outfile_name = NULL;
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FILE *in, *out;
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set_program_name (argv[0]);
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verbosity = 0;
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/* Check for options. */
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while (1)
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{
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int c = getopt_long (argc, argv, "o:i:hVv", options, 0);
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if (c == -1)
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break;
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else
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switch (c)
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{
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case 'h':
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usage (0);
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break;
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case 'i':
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infile_name = optarg;
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break;
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case 'o':
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outfile_name = optarg;
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break;
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case 'V':
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printf ("%s (%s) %s\n", program_name, PACKAGE_NAME,
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PACKAGE_VERSION);
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return 0;
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case 'v':
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verbosity++;
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break;
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default:
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usage (1);
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break;
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}
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}
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if (infile_name)
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in = fopen (infile_name, "r");
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else
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in = stdin;
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if (!in)
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grub_util_error ("Couldn't open input file: %s\n", strerror (errno));
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if (outfile_name)
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out = fopen (outfile_name, "r");
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else
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out = stdout;
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if (!out)
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{
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if (in != stdin)
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fclose (in);
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grub_util_error ("Couldn't open input file: %s\n", strerror (errno));
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}
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write_keymaps (in, out);
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if (in != stdin)
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fclose (in);
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if (out != stdout)
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fclose (out);
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return 0;
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}
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