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kc3-lang/libxkbcommon/test/how-to-type.c
Ran Benita
- test/how-to-type.c
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/* * Copyright © 2020 Ran Benita <ran@unusedvar.com> * * 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 (including the next * paragraph) 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. */ #include "config.h" #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <xkbcommon/xkbcommon.h> #define ARRAY_SIZE(arr) ((sizeof(arr) / sizeof(*(arr)))) static void usage(const char *argv0) { fprintf(stderr, "Usage: %s [-r <rules>] [-m <model>] " "[-l <layout>] [-v <variant>] [-o <options>] <unicode codepoint>\n", argv0); fprintf(stderr, "Pipe into `column -ts $'\\t'` for nicely aligned output.\n"); exit(2); } int main(int argc, char *argv[]) { int opt; const char *rules = NULL; const char *model = NULL; const char *layout_ = NULL; const char *variant = NULL; const char *options = NULL; int exit = EXIT_FAILURE; struct xkb_context *ctx = NULL; char *endp; long val; uint32_t codepoint; xkb_keysym_t keysym; int ret; char name[200]; struct xkb_keymap *keymap = NULL; xkb_keycode_t min_keycode, max_keycode; xkb_mod_index_t num_mods; while ((opt = getopt(argc, argv, "r:m:l:v:o:")) != -1) { switch (opt) { case 'r': rules = optarg; break; case 'm': model = optarg; break; case 'l': layout_ = optarg; break; case 'v': variant = optarg; break; case 'o': options = optarg; break; default: usage(argv[0]); } } if (argc - optind != 1) { usage(argv[0]); } errno = 0; val = strtol(argv[optind], &endp, 0); if (errno != 0 || endp == argv[optind] || val < 0 || val > 0x10FFFF) { usage(argv[0]); } codepoint = (uint32_t) val; keysym = xkb_utf32_to_keysym(codepoint); if (keysym == XKB_KEY_NoSymbol) { fprintf(stderr, "Failed to convert codepoint to keysym\n"); goto err; } ret = xkb_keysym_get_name(keysym, name, sizeof(name)); if (ret < 0 || (size_t) ret >= sizeof(name)) { fprintf(stderr, "Failed to get name of keysym\n"); goto err; } ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); if (!ctx) { fprintf(stderr, "Failed to create XKB context\n"); goto err; } struct xkb_rule_names names = { .rules = rules, .model = model, .layout = layout_, .variant = variant, .options = options, }; keymap = xkb_keymap_new_from_names(ctx, &names, XKB_KEYMAP_COMPILE_NO_FLAGS); if (!keymap) { fprintf(stderr, "Failed to create XKB keymap\n"); goto err; } printf("keysym: %s (%#x)\n", name, keysym); printf("KEYCODE\tKEY NAME\tLAYOUT#\tLAYOUT NAME\tLEVEL#\tMODIFIERS\n"); min_keycode = xkb_keymap_min_keycode(keymap); max_keycode = xkb_keymap_max_keycode(keymap); num_mods = xkb_keymap_num_mods(keymap); for (xkb_keycode_t keycode = min_keycode; keycode <= max_keycode; keycode++) { const char *key_name; xkb_layout_index_t num_layouts; key_name = xkb_keymap_key_get_name(keymap, keycode); if (!key_name) { continue; } num_layouts = xkb_keymap_num_layouts_for_key(keymap, keycode); for (xkb_layout_index_t layout = 0; layout < num_layouts; layout++) { const char *layout_name; xkb_level_index_t num_levels; layout_name = xkb_keymap_layout_get_name(keymap, layout); if (!layout_name) { layout_name = "?"; } num_levels = xkb_keymap_num_levels_for_key(keymap, keycode, layout); for (xkb_level_index_t level = 0; level < num_levels; level++) { int num_syms; const xkb_keysym_t *syms; size_t num_masks; xkb_mod_mask_t masks[100]; num_syms = xkb_keymap_key_get_syms_by_level( keymap, keycode, layout, level, &syms ); if (num_syms != 1) { continue; } if (syms[0] != keysym) { continue; } num_masks = xkb_keymap_key_get_mods_for_level( keymap, keycode, layout, level, masks, ARRAY_SIZE(masks) ); for (size_t i = 0; i < num_masks; i++) { xkb_mod_mask_t mask = masks[i]; printf("%u\t%s\t%u\t%s\t%u\t[ ", keycode, key_name, layout + 1, layout_name, level + 1); for (xkb_mod_index_t mod = 0; mod < num_mods; mod++) { if ((mask & (1 << mod)) == 0) { continue; } printf("%s ", xkb_keymap_mod_get_name(keymap, mod)); } printf("]\n"); } } } } exit = EXIT_SUCCESS; err: xkb_keymap_unref(keymap); xkb_context_unref(ctx); return exit; }