16a021536SGerd Hoffmann /* 26a021536SGerd Hoffmann * QEMU keymap utility 36a021536SGerd Hoffmann * 46a021536SGerd Hoffmann * Copyright Red Hat, Inc. 2017 56a021536SGerd Hoffmann * 66a021536SGerd Hoffmann * Authors: 76a021536SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com> 86a021536SGerd Hoffmann * 96a021536SGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 106a021536SGerd Hoffmann * See the COPYING file in the top-level directory. 116a021536SGerd Hoffmann */ 126a021536SGerd Hoffmann #include "qemu/osdep.h" 136a021536SGerd Hoffmann #include "qemu/notify.h" 146a021536SGerd Hoffmann #include "ui/input.h" 156a021536SGerd Hoffmann 166a021536SGerd Hoffmann #include <xkbcommon/xkbcommon.h> 176a021536SGerd Hoffmann 186a021536SGerd Hoffmann struct xkb_rule_names names = { 196a021536SGerd Hoffmann .rules = NULL, 206a021536SGerd Hoffmann .model = "pc105", 216a021536SGerd Hoffmann .layout = "us", 226a021536SGerd Hoffmann .variant = NULL, 236a021536SGerd Hoffmann .options = NULL, 246a021536SGerd Hoffmann }; 256a021536SGerd Hoffmann 266a021536SGerd Hoffmann static xkb_mod_mask_t shift; 276a021536SGerd Hoffmann static xkb_mod_mask_t ctrl; 286a021536SGerd Hoffmann static xkb_mod_mask_t altgr; 296a021536SGerd Hoffmann static xkb_mod_mask_t numlock; 306a021536SGerd Hoffmann 316a021536SGerd Hoffmann static FILE *outfile; 326a021536SGerd Hoffmann 336a021536SGerd Hoffmann /* ------------------------------------------------------------------------ */ 346a021536SGerd Hoffmann 356a021536SGerd Hoffmann static uint32_t qcode_to_number(uint32_t qcode) 366a021536SGerd Hoffmann { 376a021536SGerd Hoffmann KeyValue keyvalue; 386a021536SGerd Hoffmann uint32_t number; 396a021536SGerd Hoffmann 406a021536SGerd Hoffmann keyvalue.type = KEY_VALUE_KIND_QCODE; 416a021536SGerd Hoffmann keyvalue.u.qcode.data = qcode; 426a021536SGerd Hoffmann number = qemu_input_key_value_to_number(&keyvalue); 436a021536SGerd Hoffmann assert(number != 0); 446a021536SGerd Hoffmann return number; 456a021536SGerd Hoffmann } 466a021536SGerd Hoffmann 476a021536SGerd Hoffmann static void print_sym(xkb_keysym_t sym, uint32_t qcode, const char *mod) 486a021536SGerd Hoffmann { 496a021536SGerd Hoffmann char name[64]; 506a021536SGerd Hoffmann 516a021536SGerd Hoffmann if (sym == XKB_KEY_NoSymbol) { 526a021536SGerd Hoffmann return; 536a021536SGerd Hoffmann } 546a021536SGerd Hoffmann xkb_keysym_get_name(sym, name, sizeof(name)); 556a021536SGerd Hoffmann 566a021536SGerd Hoffmann /* TODO: make ui/keymap.c parser accept QKeyCode names */ 576a021536SGerd Hoffmann fprintf(outfile, "%s 0x%02x%s\n", name, qcode_to_number(qcode), mod); 586a021536SGerd Hoffmann } 596a021536SGerd Hoffmann 606a021536SGerd Hoffmann static void walk_map(struct xkb_keymap *map, xkb_keycode_t code, void *data) 616a021536SGerd Hoffmann { 626a021536SGerd Hoffmann struct xkb_state *state = data; 636a021536SGerd Hoffmann xkb_keysym_t kbase, knumlock, kshift, kaltgr, kaltgrshift; 646a021536SGerd Hoffmann uint32_t evdev, qcode; 656a021536SGerd Hoffmann char name[64]; 666a021536SGerd Hoffmann 676a021536SGerd Hoffmann fprintf(outfile, "\n"); 686a021536SGerd Hoffmann 696a021536SGerd Hoffmann /* 706a021536SGerd Hoffmann * map xkb keycode -> QKeyCode 716a021536SGerd Hoffmann * 726a021536SGerd Hoffmann * xkb keycode is linux evdev shifted by 8 736a021536SGerd Hoffmann */ 746a021536SGerd Hoffmann evdev = code - 8; 756a021536SGerd Hoffmann qcode = qemu_input_linux_to_qcode(evdev); 766a021536SGerd Hoffmann if (qcode == Q_KEY_CODE_UNMAPPED) { 776a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, 0, 0, 0, 0); 786a021536SGerd Hoffmann kbase = xkb_state_key_get_one_sym(state, code); 796a021536SGerd Hoffmann xkb_keysym_get_name(kbase, name, sizeof(name)); 806a021536SGerd Hoffmann fprintf(outfile, "# evdev %d (0x%x): no evdev -> QKeyCode mapping" 816a021536SGerd Hoffmann " (xkb keysym %s)\n", evdev, evdev, name); 826a021536SGerd Hoffmann return; 836a021536SGerd Hoffmann } 846a021536SGerd Hoffmann fprintf(outfile, "# evdev %d (0x%x), QKeyCode \"%s\", number 0x%x\n", 856a021536SGerd Hoffmann evdev, evdev, 86c809d1d2SMarc-André Lureau QKeyCode_str(qcode), 876a021536SGerd Hoffmann qcode_to_number(qcode)); 886a021536SGerd Hoffmann 896a021536SGerd Hoffmann /* 906a021536SGerd Hoffmann * check which modifier states generate which keysyms 916a021536SGerd Hoffmann */ 926a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, 0, 0, 0, 0); 936a021536SGerd Hoffmann kbase = xkb_state_key_get_one_sym(state, code); 946a021536SGerd Hoffmann print_sym(kbase, qcode, ""); 956a021536SGerd Hoffmann 966a021536SGerd Hoffmann xkb_state_update_mask(state, 0, 0, numlock, 0, 0, 0); 976a021536SGerd Hoffmann knumlock = xkb_state_key_get_one_sym(state, code); 986a021536SGerd Hoffmann if (kbase != knumlock) { 996a021536SGerd Hoffmann print_sym(knumlock, qcode, " numlock"); 1006a021536SGerd Hoffmann } 1016a021536SGerd Hoffmann 1026a021536SGerd Hoffmann xkb_state_update_mask(state, shift, 0, 0, 0, 0, 0); 1036a021536SGerd Hoffmann kshift = xkb_state_key_get_one_sym(state, code); 1046a021536SGerd Hoffmann if (kbase != kshift && knumlock != kshift) { 1056a021536SGerd Hoffmann print_sym(kshift, qcode, " shift"); 1066a021536SGerd Hoffmann } 1076a021536SGerd Hoffmann 1086a021536SGerd Hoffmann xkb_state_update_mask(state, altgr, 0, 0, 0, 0, 0); 1096a021536SGerd Hoffmann kaltgr = xkb_state_key_get_one_sym(state, code); 1106a021536SGerd Hoffmann if (kbase != kaltgr) { 1116a021536SGerd Hoffmann print_sym(kaltgr, qcode, " altgr"); 1126a021536SGerd Hoffmann } 1136a021536SGerd Hoffmann 1146a021536SGerd Hoffmann xkb_state_update_mask(state, altgr | shift, 0, 0, 0, 0, 0); 1156a021536SGerd Hoffmann kaltgrshift = xkb_state_key_get_one_sym(state, code); 1166a021536SGerd Hoffmann if (kshift != kaltgrshift && kaltgr != kaltgrshift) { 1176a021536SGerd Hoffmann print_sym(kaltgrshift, qcode, " shift altgr"); 1186a021536SGerd Hoffmann } 1196a021536SGerd Hoffmann return; 1206a021536SGerd Hoffmann } 1216a021536SGerd Hoffmann 1226a021536SGerd Hoffmann static void usage(FILE *out) 1236a021536SGerd Hoffmann { 1246a021536SGerd Hoffmann fprintf(out, 1256a021536SGerd Hoffmann "\n" 1266a021536SGerd Hoffmann "This tool generates qemu reverse keymaps from xkb keymaps,\n" 1276a021536SGerd Hoffmann "which can be used with the qemu \"-k\" command line switch.\n" 1286a021536SGerd Hoffmann "\n" 1296a021536SGerd Hoffmann "usage: qemu-keymap <options>\n" 1306a021536SGerd Hoffmann "options:\n" 1316a021536SGerd Hoffmann " -h print this text\n" 1326a021536SGerd Hoffmann " -f <file> set output file (default: stdout)\n" 1336a021536SGerd Hoffmann " -m <model> set kbd model (default: %s)\n" 1346a021536SGerd Hoffmann " -l <layout> set kbd layout (default: %s)\n" 1356a021536SGerd Hoffmann " -v <variant> set kbd variant (default: %s)\n" 1366a021536SGerd Hoffmann " -o <options> set kbd options (default: %s)\n" 1376a021536SGerd Hoffmann "\n", 1386a021536SGerd Hoffmann names.model, names.layout, 1396a021536SGerd Hoffmann names.variant ?: "-", 1406a021536SGerd Hoffmann names.options ?: "-"); 1416a021536SGerd Hoffmann } 1426a021536SGerd Hoffmann 1436a021536SGerd Hoffmann int main(int argc, char *argv[]) 1446a021536SGerd Hoffmann { 1456a021536SGerd Hoffmann struct xkb_context *ctx; 1466a021536SGerd Hoffmann struct xkb_keymap *map; 1476a021536SGerd Hoffmann struct xkb_state *state; 1486a021536SGerd Hoffmann xkb_mod_index_t mod, mods; 1496a021536SGerd Hoffmann int rc; 1506a021536SGerd Hoffmann 1516a021536SGerd Hoffmann for (;;) { 1526a021536SGerd Hoffmann rc = getopt(argc, argv, "hm:l:v:o:f:"); 1536a021536SGerd Hoffmann if (rc == -1) { 1546a021536SGerd Hoffmann break; 1556a021536SGerd Hoffmann } 1566a021536SGerd Hoffmann switch (rc) { 1576a021536SGerd Hoffmann case 'm': 1586a021536SGerd Hoffmann names.model = optarg; 1596a021536SGerd Hoffmann break; 1606a021536SGerd Hoffmann case 'l': 1616a021536SGerd Hoffmann names.layout = optarg; 1626a021536SGerd Hoffmann break; 1636a021536SGerd Hoffmann case 'v': 1646a021536SGerd Hoffmann names.variant = optarg; 1656a021536SGerd Hoffmann break; 1666a021536SGerd Hoffmann case 'o': 1676a021536SGerd Hoffmann names.options = optarg; 1686a021536SGerd Hoffmann break; 1696a021536SGerd Hoffmann case 'f': 1706a021536SGerd Hoffmann outfile = fopen(optarg, "w"); 1716a021536SGerd Hoffmann if (outfile == NULL) { 1726a021536SGerd Hoffmann fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); 1736a021536SGerd Hoffmann exit(1); 1746a021536SGerd Hoffmann } 1756a021536SGerd Hoffmann break; 1766a021536SGerd Hoffmann case 'h': 1776a021536SGerd Hoffmann usage(stdout); 1786a021536SGerd Hoffmann exit(0); 1796a021536SGerd Hoffmann default: 1806a021536SGerd Hoffmann usage(stderr); 1816a021536SGerd Hoffmann exit(1); 1826a021536SGerd Hoffmann } 1836a021536SGerd Hoffmann } 1846a021536SGerd Hoffmann 1856a021536SGerd Hoffmann if (outfile == NULL) { 1866a021536SGerd Hoffmann outfile = stdout; 1876a021536SGerd Hoffmann } 1886a021536SGerd Hoffmann 1896a021536SGerd Hoffmann fprintf(outfile, 1904455922fSPhilippe Mathieu-Daudé "# SPDX-License-Identifier: GPL-2.0-or-later\n" 1916a021536SGerd Hoffmann "#\n" 1926a021536SGerd Hoffmann "# generated by qemu-keymap\n" 1936a021536SGerd Hoffmann "# model : %s\n" 1946a021536SGerd Hoffmann "# layout : %s\n" 1956a021536SGerd Hoffmann "# variant : %s\n" 1966a021536SGerd Hoffmann "# options : %s\n" 1976a021536SGerd Hoffmann "\n", 1986a021536SGerd Hoffmann names.model, names.layout, 1996a021536SGerd Hoffmann names.variant ?: "-", 2006a021536SGerd Hoffmann names.options ?: "-"); 2016a021536SGerd Hoffmann 2026a021536SGerd Hoffmann ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); 2036a021536SGerd Hoffmann map = xkb_keymap_new_from_names(ctx, &names, XKB_KEYMAP_COMPILE_NO_FLAGS); 2046a021536SGerd Hoffmann if (!map) { 2056a021536SGerd Hoffmann /* libxkbcommon prints error */ 2066a021536SGerd Hoffmann exit(1); 2076a021536SGerd Hoffmann } 2086a021536SGerd Hoffmann 2096a021536SGerd Hoffmann fprintf(outfile, "# name: \"%s\"\n\n", 2106a021536SGerd Hoffmann xkb_keymap_layout_get_name(map, 0)); 2116a021536SGerd Hoffmann fprintf(outfile, "# modifiers\n"); 2126a021536SGerd Hoffmann mods = xkb_keymap_num_mods(map); 2136a021536SGerd Hoffmann for (mod = 0; mod < mods; mod++) { 2146a021536SGerd Hoffmann fprintf(outfile, "# %2d: %s\n", 2156a021536SGerd Hoffmann mod, xkb_keymap_mod_get_name(map, mod)); 2166a021536SGerd Hoffmann } 2176a021536SGerd Hoffmann 2186a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "Shift"); 2196a021536SGerd Hoffmann shift = (1 << mod); 2206a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "Control"); 2216a021536SGerd Hoffmann ctrl = (1 << mod); 2226a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "AltGr"); 2236a021536SGerd Hoffmann altgr = (1 << mod); 2246a021536SGerd Hoffmann mod = xkb_keymap_mod_get_index(map, "NumLock"); 2256a021536SGerd Hoffmann numlock = (1 << mod); 2266a021536SGerd Hoffmann 2276a021536SGerd Hoffmann state = xkb_state_new(map); 2286a021536SGerd Hoffmann xkb_keymap_key_for_each(map, walk_map, state); 2295c70adbfSThomas Huth xkb_state_unref(state); 2305c70adbfSThomas Huth state = NULL; 2316a021536SGerd Hoffmann 2326a021536SGerd Hoffmann /* add quirks */ 2336a021536SGerd Hoffmann fprintf(outfile, 2346a021536SGerd Hoffmann "\n" 2356a021536SGerd Hoffmann "#\n" 2366a021536SGerd Hoffmann "# quirks section start\n" 2376a021536SGerd Hoffmann "#\n" 2386a021536SGerd Hoffmann "# Sometimes multiple keysyms map to the same keycodes.\n" 2396a021536SGerd Hoffmann "# The keycode -> keysym lookup finds only one of the\n" 2406a021536SGerd Hoffmann "# keysyms. So append them here.\n" 2416a021536SGerd Hoffmann "#\n" 2426a021536SGerd Hoffmann "\n"); 2436a021536SGerd Hoffmann print_sym(XKB_KEY_Print, Q_KEY_CODE_SYSRQ, ""); 2446a021536SGerd Hoffmann print_sym(XKB_KEY_Sys_Req, Q_KEY_CODE_SYSRQ, ""); 2456a021536SGerd Hoffmann print_sym(XKB_KEY_Execute, Q_KEY_CODE_SYSRQ, ""); 2466a021536SGerd Hoffmann 2476a021536SGerd Hoffmann print_sym(XKB_KEY_KP_Decimal, Q_KEY_CODE_KP_DECIMAL, " numlock"); 2486a021536SGerd Hoffmann print_sym(XKB_KEY_KP_Separator, Q_KEY_CODE_KP_DECIMAL, " numlock"); 2496a021536SGerd Hoffmann 2506a021536SGerd Hoffmann print_sym(XKB_KEY_Alt_R, Q_KEY_CODE_ALT_R, ""); 2516a021536SGerd Hoffmann print_sym(XKB_KEY_ISO_Level3_Shift, Q_KEY_CODE_ALT_R, ""); 2526a021536SGerd Hoffmann print_sym(XKB_KEY_Mode_switch, Q_KEY_CODE_ALT_R, ""); 2536a021536SGerd Hoffmann 2546a021536SGerd Hoffmann fprintf(outfile, 2556a021536SGerd Hoffmann "\n" 2566a021536SGerd Hoffmann "# quirks section end\n"); 2576a021536SGerd Hoffmann 2586a021536SGerd Hoffmann exit(0); 2596a021536SGerd Hoffmann } 260