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Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.6

1.6     ! nicm        1: /* $OpenBSD: cmd-list-keys.c,v 1.5 2009/07/26 12:58:44 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
1.3       nicm       21: #include <string.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * List key bindings.
                     27:  */
                     28:
                     29: int    cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
                     30:
1.6     ! nicm       31: int    cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
        !            32:
1.1       nicm       33: const struct cmd_entry cmd_list_keys_entry = {
                     34:        "list-keys", "lsk",
1.6     ! nicm       35:        "[-t key-table]",
1.2       nicm       36:        0, 0,
1.6     ! nicm       37:        cmd_target_init,
        !            38:        cmd_target_parse,
1.1       nicm       39:        cmd_list_keys_exec,
1.6     ! nicm       40:        cmd_target_free,
        !            41:        cmd_target_print
1.1       nicm       42: };
                     43:
                     44: int
1.6     ! nicm       45: cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1       nicm       46: {
1.6     ! nicm       47:        struct cmd_target_data  *data = self->data;
1.1       nicm       48:        struct key_binding      *bd;
                     49:        const char              *key;
1.4       nicm       50:        char                     tmp[BUFSIZ], keytmp[64];
                     51:        int                      width, keywidth;
1.3       nicm       52:
1.6     ! nicm       53:        if (data->target != NULL)
        !            54:                return (cmd_list_keys_table(self, ctx));
        !            55:
1.3       nicm       56:        width = 0;
                     57:        SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
1.4       nicm       58:                key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
                     59:                if (key == NULL)
1.3       nicm       60:                        continue;
                     61:
                     62:                keywidth = strlen(key) + 1;
1.4       nicm       63:                if (!(bd->key & KEYC_PREFIX))
                     64:                        keywidth += 2;
1.3       nicm       65:                if (keywidth > width)
                     66:                        width = keywidth;
                     67:        }
                     68:
1.1       nicm       69:        SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
1.4       nicm       70:                key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
                     71:                if (key == NULL)
1.1       nicm       72:                        continue;
                     73:
                     74:                *tmp = '\0';
                     75:                cmd_list_print(bd->cmdlist, tmp, sizeof tmp);
1.4       nicm       76:                if (!(bd->key & KEYC_PREFIX)) {
                     77:                        xsnprintf(keytmp, sizeof keytmp, "[%s]", key);
                     78:                        key = keytmp;
                     79:                }
1.3       nicm       80:                ctx->print(ctx, "%*s: %s", width, key, tmp);
1.6     ! nicm       81:        }
        !            82:
        !            83:        return (0);
        !            84: }
        !            85:
        !            86: int
        !            87: cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
        !            88: {
        !            89:        struct cmd_target_data          *data = self->data;
        !            90:        const struct mode_key_table     *mtab;
        !            91:        struct mode_key_binding         *mbind;
        !            92:        const char                      *key, *cmdstr, *mode;
        !            93:        int                              width, keywidth;
        !            94:
        !            95:        for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
        !            96:                if (strcasecmp(data->target, mtab->name) == 0)
        !            97:                        break;
        !            98:        }
        !            99:        if (mtab->name == NULL) {
        !           100:                ctx->error(ctx, "unknown key table: %s", data->target);
        !           101:                return (-1);
        !           102:        }
        !           103:
        !           104:        width = 0;
        !           105:        SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
        !           106:                key = key_string_lookup_key(mbind->key);
        !           107:                if (key == NULL)
        !           108:                        continue;
        !           109:
        !           110:                keywidth = strlen(key) + 1;
        !           111:                if (keywidth > width)
        !           112:                        width = keywidth;
        !           113:        }
        !           114:
        !           115:        SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
        !           116:                key = key_string_lookup_key(mbind->key);
        !           117:                if (key == NULL)
        !           118:                        continue;
        !           119:
        !           120:                mode = "";
        !           121:                if (mbind->mode != 0)
        !           122:                        mode = "(command mode) ";
        !           123:                cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
        !           124:                if (cmdstr != NULL)
        !           125:                        ctx->print(ctx, "%*s: %s%s", width, key, mode, cmdstr);
1.1       nicm      126:        }
                    127:
                    128:        return (0);
                    129: }