diff options
Diffstat (limited to 'test/how-to-type.c')
-rw-r--r-- | test/how-to-type.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/test/how-to-type.c b/test/how-to-type.c new file mode 100644 index 0000000..8692033 --- /dev/null +++ b/test/how-to-type.c @@ -0,0 +1,196 @@ +/* + * 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> + +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 nice 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; + char *endp; + long val; + uint32_t codepoint; + xkb_keysym_t keysym; + int ret; + char name[200]; + struct xkb_keymap *keymap; + 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) { + fprintf(stderr, "usage: %s <unicode codepoint>\n", argv[0]); + goto err_exit; + } + codepoint = (uint32_t) val; + + keysym = xkb_utf32_to_keysym(codepoint); + if (keysym == XKB_KEY_NoSymbol) { + fprintf(stderr, "Failed to convert codepoint to keysym"); + goto err_exit; + } + + 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"); + goto err_exit; + } + + ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); + if (!ctx) { + fprintf(stderr, "Failed to create XKB context\n"); + goto err_exit; + } + + 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_ctx; + } + + 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, 100 + ); + 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; + xkb_keymap_unref(keymap); +err_ctx: + xkb_context_unref(ctx); +err_exit: + return exit; +} |