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Annotation of src/usr.bin/tmux/cmd-bind-key.c, Revision 1.26

1.26    ! nicm        1: /* $OpenBSD: cmd-bind-key.c,v 1.25 2016/01/19 15:59:12 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.25      nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.16      nicm       30: enum cmd_retval         cmd_bind_key_exec(struct cmd *, struct cmd_q *);
1.1       nicm       31:
1.22      nicm       32: enum cmd_retval         cmd_bind_key_mode_table(struct cmd *, struct cmd_q *,
                     33:                     key_code);
1.1       nicm       34:
                     35: const struct cmd_entry cmd_bind_key_entry = {
1.24      nicm       36:        .name = "bind-key",
                     37:        .alias = "bind",
                     38:
1.26    ! nicm       39:        .args = { "cnrR:t:T:", 1, -1 },
        !            40:        .usage = "[-cnr] [-t mode-table] [-R repeat-count] [-T key-table] key "
        !            41:                 "command [arguments]",
1.24      nicm       42:
                     43:        .flags = 0,
                     44:        .exec = cmd_bind_key_exec
1.1       nicm       45: };
                     46:
1.14      nicm       47: enum cmd_retval
1.17      nicm       48: cmd_bind_key_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       49: {
1.17      nicm       50:        struct args     *args = self->args;
                     51:        char            *cause;
                     52:        struct cmd_list *cmdlist;
1.22      nicm       53:        key_code         key;
1.21      nicm       54:        const char      *tablename;
1.17      nicm       55:
1.10      nicm       56:        if (args_has(args, 't')) {
1.17      nicm       57:                if (args->argc != 2 && args->argc != 3) {
                     58:                        cmdq_error(cmdq, "not enough arguments");
1.14      nicm       59:                        return (CMD_RETURN_ERROR);
1.17      nicm       60:                }
1.5       nicm       61:        } else {
1.17      nicm       62:                if (args->argc < 2) {
                     63:                        cmdq_error(cmdq, "not enough arguments");
1.14      nicm       64:                        return (CMD_RETURN_ERROR);
1.17      nicm       65:                }
1.5       nicm       66:        }
1.10      nicm       67:
                     68:        key = key_string_lookup_string(args->argv[0]);
1.23      nicm       69:        if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
1.16      nicm       70:                cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
1.14      nicm       71:                return (CMD_RETURN_ERROR);
1.10      nicm       72:        }
1.1       nicm       73:
1.10      nicm       74:        if (args_has(args, 't'))
1.18      nicm       75:                return (cmd_bind_key_mode_table(self, cmdq, key));
1.1       nicm       76:
1.21      nicm       77:        if (args_has(args, 'T'))
                     78:                tablename = args_get(args, 'T');
                     79:        else if (args_has(args, 'n'))
                     80:                tablename = "root";
                     81:        else
                     82:                tablename = "prefix";
                     83:
1.16      nicm       84:        cmdlist = cmd_list_parse(args->argc - 1, args->argv + 1, NULL, 0,
                     85:            &cause);
1.10      nicm       86:        if (cmdlist == NULL) {
1.16      nicm       87:                cmdq_error(cmdq, "%s", cause);
1.13      nicm       88:                free(cause);
1.14      nicm       89:                return (CMD_RETURN_ERROR);
1.10      nicm       90:        }
1.1       nicm       91:
1.21      nicm       92:        key_bindings_add(tablename, key, args_has(args, 'r'), cmdlist);
1.14      nicm       93:        return (CMD_RETURN_NORMAL);
1.1       nicm       94: }
                     95:
1.14      nicm       96: enum cmd_retval
1.22      nicm       97: cmd_bind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key)
1.5       nicm       98: {
1.10      nicm       99:        struct args                     *args = self->args;
1.26    ! nicm      100:        const char                      *tablename, *arg;
1.5       nicm      101:        const struct mode_key_table     *mtab;
                    102:        struct mode_key_binding         *mbind, mtmp;
                    103:        enum mode_key_cmd                cmd;
1.26    ! nicm      104:        char                            *cause;
        !           105:        u_int                            repeat;
1.5       nicm      106:
1.10      nicm      107:        tablename = args_get(args, 't');
                    108:        if ((mtab = mode_key_findtable(tablename)) == NULL) {
1.16      nicm      109:                cmdq_error(cmdq, "unknown key table: %s", tablename);
1.14      nicm      110:                return (CMD_RETURN_ERROR);
1.5       nicm      111:        }
                    112:
1.11      nicm      113:        cmd = mode_key_fromstring(mtab->cmdstr, args->argv[1]);
1.5       nicm      114:        if (cmd == MODEKEY_NONE) {
1.16      nicm      115:                cmdq_error(cmdq, "unknown command: %s", args->argv[1]);
1.14      nicm      116:                return (CMD_RETURN_ERROR);
1.5       nicm      117:        }
1.7       nicm      118:
1.20      nicm      119:        switch (cmd) {
                    120:        case MODEKEYCOPY_APPENDSELECTION:
                    121:        case MODEKEYCOPY_COPYSELECTION:
                    122:        case MODEKEYCOPY_STARTNAMEDBUFFER:
                    123:                if (args->argc == 2)
                    124:                        arg = NULL;
                    125:                else {
                    126:                        arg = args->argv[2];
                    127:                        if (strcmp(arg, "-x") != 0) {
                    128:                                cmdq_error(cmdq, "unknown argument");
                    129:                                return (CMD_RETURN_ERROR);
                    130:                        }
1.15      nicm      131:                }
1.20      nicm      132:                break;
                    133:        case MODEKEYCOPY_COPYPIPE:
1.15      nicm      134:                if (args->argc != 3) {
1.16      nicm      135:                        cmdq_error(cmdq, "no argument given");
1.15      nicm      136:                        return (CMD_RETURN_ERROR);
                    137:                }
                    138:                arg = args->argv[2];
1.20      nicm      139:                break;
                    140:        default:
                    141:                if (args->argc != 2) {
                    142:                        cmdq_error(cmdq, "no argument allowed");
                    143:                        return (CMD_RETURN_ERROR);
                    144:                }
                    145:                arg = NULL;
                    146:                break;
1.15      nicm      147:        }
                    148:
1.26    ! nicm      149:        repeat = 1;
        !           150:        if (args_has(args, 'R')) {
        !           151:                repeat = args_strtonum(args, 'R', 1, SHRT_MAX, &cause);
        !           152:                if (cause != NULL) {
        !           153:                        cmdq_error(cmdq, "repeat count %s", cause);
        !           154:                        free(cause);
        !           155:                        return (CMD_RETURN_ERROR);
        !           156:                }
        !           157:        }
        !           158:
1.10      nicm      159:        mtmp.key = key;
                    160:        mtmp.mode = !!args_has(args, 'c');
1.15      nicm      161:        if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) == NULL) {
                    162:                mbind = xmalloc(sizeof *mbind);
                    163:                mbind->key = mtmp.key;
                    164:                mbind->mode = mtmp.mode;
                    165:                RB_INSERT(mode_key_tree, mtab->tree, mbind);
                    166:        }
1.26    ! nicm      167:        mbind->repeat = repeat;
1.5       nicm      168:        mbind->cmd = cmd;
1.15      nicm      169:        mbind->arg = arg != NULL ? xstrdup(arg) : NULL;
1.14      nicm      170:        return (CMD_RETURN_NORMAL);
1.1       nicm      171: }