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Annotation of src/usr.bin/tmux/cmd-bind-key.c, Revision 1.14

1.14    ! nicm        1: /* $OpenBSD: cmd-bind-key.c,v 1.13 2012/07/10 11:53:01 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:
1.13      nicm       21: #include <stdlib.h>
1.5       nicm       22: #include <string.h>
                     23:
1.1       nicm       24: #include "tmux.h"
                     25:
                     26: /*
                     27:  * Bind a key to a command, this recurses through cmd_*.
                     28:  */
                     29:
1.14    ! nicm       30: enum cmd_retval         cmd_bind_key_check(struct args *);
        !            31: enum cmd_retval         cmd_bind_key_exec(struct cmd *, struct cmd_ctx *);
1.1       nicm       32:
1.14    ! nicm       33: enum cmd_retval         cmd_bind_key_table(struct cmd *, struct cmd_ctx *, int);
1.1       nicm       34:
                     35: const struct cmd_entry cmd_bind_key_entry = {
                     36:        "bind-key", "bind",
1.10      nicm       37:        "cnrt:", 1, -1,
1.5       nicm       38:        "[-cnr] [-t key-table] key command [arguments]",
1.10      nicm       39:        0,
1.1       nicm       40:        NULL,
1.10      nicm       41:        cmd_bind_key_check,
                     42:        cmd_bind_key_exec
1.1       nicm       43: };
                     44:
1.14    ! nicm       45: enum cmd_retval
1.10      nicm       46: cmd_bind_key_check(struct args *args)
1.1       nicm       47: {
1.10      nicm       48:        if (args_has(args, 't')) {
1.11      nicm       49:                if (args->argc != 2)
1.14    ! nicm       50:                        return (CMD_RETURN_ERROR);
1.5       nicm       51:        } else {
1.10      nicm       52:                if (args->argc < 2)
1.14    ! nicm       53:                        return (CMD_RETURN_ERROR);
1.5       nicm       54:        }
1.14    ! nicm       55:        return (CMD_RETURN_NORMAL);
1.1       nicm       56: }
                     57:
1.14    ! nicm       58: enum cmd_retval
1.10      nicm       59: cmd_bind_key_exec(struct cmd *self, struct cmd_ctx *ctx)
1.1       nicm       60: {
1.10      nicm       61:        struct args     *args = self->args;
                     62:        char            *cause;
                     63:        struct cmd_list *cmdlist;
                     64:        int              key;
                     65:
                     66:        key = key_string_lookup_string(args->argv[0]);
                     67:        if (key == KEYC_NONE) {
                     68:                ctx->error(ctx, "unknown key: %s", args->argv[0]);
1.14    ! nicm       69:                return (CMD_RETURN_ERROR);
1.10      nicm       70:        }
1.1       nicm       71:
1.10      nicm       72:        if (args_has(args, 't'))
                     73:                return (cmd_bind_key_table(self, ctx, key));
1.1       nicm       74:
1.10      nicm       75:        cmdlist = cmd_list_parse(args->argc - 1, args->argv + 1, &cause);
                     76:        if (cmdlist == NULL) {
                     77:                ctx->error(ctx, "%s", cause);
1.13      nicm       78:                free(cause);
1.14    ! nicm       79:                return (CMD_RETURN_ERROR);
1.10      nicm       80:        }
1.1       nicm       81:
1.10      nicm       82:        if (!args_has(args, 'n'))
                     83:            key |= KEYC_PREFIX;
                     84:        key_bindings_add(key, args_has(args, 'r'), cmdlist);
1.14    ! nicm       85:        return (CMD_RETURN_NORMAL);
1.1       nicm       86: }
                     87:
1.14    ! nicm       88: enum cmd_retval
1.10      nicm       89: cmd_bind_key_table(struct cmd *self, struct cmd_ctx *ctx, int key)
1.5       nicm       90: {
1.10      nicm       91:        struct args                     *args = self->args;
                     92:        const char                      *tablename;
1.5       nicm       93:        const struct mode_key_table     *mtab;
                     94:        struct mode_key_binding         *mbind, mtmp;
                     95:        enum mode_key_cmd                cmd;
                     96:
1.10      nicm       97:        tablename = args_get(args, 't');
                     98:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
                     99:                ctx->error(ctx, "unknown key table: %s", tablename);
1.14    ! nicm      100:                return (CMD_RETURN_ERROR);
1.5       nicm      101:        }
                    102:
1.11      nicm      103:        cmd = mode_key_fromstring(mtab->cmdstr, args->argv[1]);
1.5       nicm      104:        if (cmd == MODEKEY_NONE) {
1.11      nicm      105:                ctx->error(ctx, "unknown command: %s", args->argv[1]);
1.14    ! nicm      106:                return (CMD_RETURN_ERROR);
1.5       nicm      107:        }
1.7       nicm      108:
1.10      nicm      109:        mtmp.key = key;
                    110:        mtmp.mode = !!args_has(args, 'c');
1.12      nicm      111:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
1.5       nicm      112:                mbind->cmd = cmd;
1.14    ! nicm      113:                return (CMD_RETURN_NORMAL);
1.5       nicm      114:        }
                    115:        mbind = xmalloc(sizeof *mbind);
                    116:        mbind->key = mtmp.key;
                    117:        mbind->mode = mtmp.mode;
                    118:        mbind->cmd = cmd;
1.12      nicm      119:        RB_INSERT(mode_key_tree, mtab->tree, mbind);
1.14    ! nicm      120:        return (CMD_RETURN_NORMAL);
1.1       nicm      121: }