2 * Copyright © 2020 Ran Benita <ran@unusedvar.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
30 #include "xkbcommon/xkbcommon.h"
32 #define ARRAY_SIZE(arr) ((sizeof(arr) / sizeof(*(arr))))
35 usage(const char *argv0)
37 fprintf(stderr, "Usage: %s [-r <rules>] [-m <model>] "
38 "[-l <layout>] [-v <variant>] [-o <options>] <unicode codepoint>\n",
40 fprintf(stderr, "Pipe into `column -ts $'\\t'` for nicely aligned output.\n");
45 main(int argc, char *argv[])
48 const char *rules = NULL;
49 const char *model = NULL;
50 const char *layout_ = NULL;
51 const char *variant = NULL;
52 const char *options = NULL;
53 int err = EXIT_FAILURE;
54 struct xkb_context *ctx = NULL;
61 struct xkb_keymap *keymap = NULL;
62 xkb_keycode_t min_keycode, max_keycode;
63 xkb_mod_index_t num_mods;
65 while ((opt = getopt(argc, argv, "r:m:l:v:o:")) != -1) {
84 exit(EXIT_INVALID_USAGE);
87 if (argc - optind != 1) {
89 exit(EXIT_INVALID_USAGE);
93 val = strtol(argv[optind], &endp, 0);
94 if (errno != 0 || endp == argv[optind] || val < 0 || val > 0x10FFFF) {
96 exit(EXIT_INVALID_USAGE);
98 codepoint = (uint32_t) val;
100 keysym = xkb_utf32_to_keysym(codepoint);
101 if (keysym == XKB_KEY_NoSymbol) {
102 fprintf(stderr, "Failed to convert codepoint to keysym\n");
106 ret = xkb_keysym_get_name(keysym, name, sizeof(name));
107 if (ret < 0 || (size_t) ret >= sizeof(name)) {
108 fprintf(stderr, "Failed to get name of keysym\n");
112 ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
114 fprintf(stderr, "Failed to create XKB context\n");
118 struct xkb_rule_names names = {
125 keymap = xkb_keymap_new_from_names(ctx, &names,
126 XKB_KEYMAP_COMPILE_NO_FLAGS);
128 fprintf(stderr, "Failed to create XKB keymap\n");
132 printf("keysym: %s (%#x)\n", name, keysym);
133 printf("KEYCODE\tKEY NAME\tLAYOUT#\tLAYOUT NAME\tLEVEL#\tMODIFIERS\n");
135 min_keycode = xkb_keymap_min_keycode(keymap);
136 max_keycode = xkb_keymap_max_keycode(keymap);
137 num_mods = xkb_keymap_num_mods(keymap);
138 for (xkb_keycode_t keycode = min_keycode; keycode <= max_keycode; keycode++) {
139 const char *key_name;
140 xkb_layout_index_t num_layouts;
142 key_name = xkb_keymap_key_get_name(keymap, keycode);
147 num_layouts = xkb_keymap_num_layouts_for_key(keymap, keycode);
148 for (xkb_layout_index_t layout = 0; layout < num_layouts; layout++) {
149 const char *layout_name;
150 xkb_level_index_t num_levels;
152 layout_name = xkb_keymap_layout_get_name(keymap, layout);
157 num_levels = xkb_keymap_num_levels_for_key(keymap, keycode, layout);
158 for (xkb_level_index_t level = 0; level < num_levels; level++) {
160 const xkb_keysym_t *syms;
162 xkb_mod_mask_t masks[100];
164 num_syms = xkb_keymap_key_get_syms_by_level(
165 keymap, keycode, layout, level, &syms
170 if (syms[0] != keysym) {
174 num_masks = xkb_keymap_key_get_mods_for_level(
175 keymap, keycode, layout, level, masks, ARRAY_SIZE(masks)
177 for (size_t i = 0; i < num_masks; i++) {
178 xkb_mod_mask_t mask = masks[i];
180 printf("%u\t%s\t%u\t%s\t%u\t[ ",
181 keycode, key_name, layout + 1, layout_name, level + 1);
182 for (xkb_mod_index_t mod = 0; mod < num_mods; mod++) {
183 if ((mask & (1 << mod)) == 0) {
186 printf("%s ", xkb_keymap_mod_get_name(keymap, mod));
196 xkb_keymap_unref(keymap);
197 xkb_context_unref(ctx);