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Annotation of src/usr.bin/tmux/cmd-list-keys.c, Revision 1.13

1.13    ! nicm        1: /* $OpenBSD: cmd-list-keys.c,v 1.12 2010/10/20 18:20:36 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",
1.13    ! nicm       35:        "t:", 0, 0,
1.6       nicm       36:        "[-t key-table]",
1.13    ! nicm       37:        0,
        !            38:        NULL,
        !            39:        NULL,
        !            40:        cmd_list_keys_exec
1.1       nicm       41: };
                     42:
                     43: int
1.6       nicm       44: cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1       nicm       45: {
1.13    ! nicm       46:        struct args             *args = self->args;
1.1       nicm       47:        struct key_binding      *bd;
                     48:        const char              *key;
1.8       nicm       49:        char                     tmp[BUFSIZ];
                     50:        size_t                   used;
1.4       nicm       51:        int                      width, keywidth;
1.3       nicm       52:
1.13    ! nicm       53:        if (args_has(args, 't'))
1.6       nicm       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;
1.10      nicm       73:                used = xsnprintf(tmp, sizeof tmp, "%*s: ", width, key);
1.8       nicm       74:                if (used >= sizeof tmp)
                     75:                        continue;
1.1       nicm       76:
1.11      nicm       77:                if (!(bd->key & KEYC_PREFIX)) {
1.10      nicm       78:                        used = strlcat(tmp, "(no prefix) ", sizeof tmp);
1.12      nicm       79:                        if (used >= sizeof tmp)
                     80:                                continue;
                     81:                }
                     82:                if (bd->can_repeat) {
                     83:                        used = strlcat(tmp, "(repeat) ", sizeof tmp);
1.10      nicm       84:                        if (used >= sizeof tmp)
                     85:                                continue;
                     86:                }
1.8       nicm       87:                cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
                     88:                ctx->print(ctx, "%s", tmp);
1.6       nicm       89:        }
                     90:
                     91:        return (0);
                     92: }
                     93:
                     94: int
                     95: cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
                     96: {
1.13    ! nicm       97:        struct args                     *args = self->args;
        !            98:        const char                      *tablename;
1.6       nicm       99:        const struct mode_key_table     *mtab;
                    100:        struct mode_key_binding         *mbind;
                    101:        const char                      *key, *cmdstr, *mode;
                    102:        int                              width, keywidth;
                    103:
1.13    ! nicm      104:        tablename = args_get(args, 't');
        !           105:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
        !           106:                ctx->error(ctx, "unknown key table: %s", tablename);
1.6       nicm      107:                return (-1);
                    108:        }
                    109:
                    110:        width = 0;
                    111:        SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
                    112:                key = key_string_lookup_key(mbind->key);
                    113:                if (key == NULL)
                    114:                        continue;
                    115:
                    116:                keywidth = strlen(key) + 1;
                    117:                if (keywidth > width)
                    118:                        width = keywidth;
                    119:        }
                    120:
                    121:        SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
                    122:                key = key_string_lookup_key(mbind->key);
                    123:                if (key == NULL)
                    124:                        continue;
                    125:
                    126:                mode = "";
                    127:                if (mbind->mode != 0)
                    128:                        mode = "(command mode) ";
                    129:                cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
                    130:                if (cmdstr != NULL)
                    131:                        ctx->print(ctx, "%*s: %s%s", width, key, mode, cmdstr);
1.1       nicm      132:        }
                    133:
                    134:        return (0);
                    135: }