/* $Id: cmd-bind-key.c,v 1.29 2010/07/02 02:43:01 tcunha Exp $ */

/*

* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>

*

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

* copyright notice and this permission notice appear in all copies.

*

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER

* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING

* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*/

#include <sys/types.h>

#include <string.h>

#include "tmux.h"

/*

* Bind a key to a command, this recurses through cmd_*.

*/

int cmd_bind_key_parse(struct cmd *, int, char **, char **);

int cmd_bind_key_exec(struct cmd *, struct cmd_ctx *);

void cmd_bind_key_free(struct cmd *);

size_t cmd_bind_key_print(struct cmd *, char *, size_t);

int cmd_bind_key_table(struct cmd *, struct cmd_ctx *);

struct cmd_bind_key_data {

};

const struct cmd_entry cmd_bind_key_entry = {

"bind-key", "bind",

"[-cnr] [-t key-table] key command [arguments]",

0, "",

NULL,

cmd_bind_key_parse,

cmd_bind_key_exec,

cmd_bind_key_free,

cmd_bind_key_print

};

int

cmd_bind_key_parse(struct cmd *self, int argc, char **argv, char **cause)

{

struct cmd_bind_key_data *data;

int opt, no_prefix = 0;

self->data = data = xmalloc(sizeof *data);

data->can_repeat = 0;

data->cmdlist = NULL;

data->command_key = 0;

data->tablename = NULL;

data->modecmd = NULL;

while ((opt = getopt(argc, argv, "cnrt:")) != -1) {

switch (opt) {

case 'c':

data->command_key = 1;

break;

case 'n':

no_prefix = 1;

break;

case 'r':

data->can_repeat = 1;

break;

case 't':

if (data->tablename == NULL)

data->tablename = xstrdup(optarg);

break;

default:

goto usage;

}

}

argc -= optind;

argv += optind;

if (argc < 1)

goto usage;

if ((data->key = key_string_lookup_string(argv[0])) == KEYC_NONE) {

xasprintf(cause, "unknown key: %s", argv[0]);

goto error;

}

if (!no_prefix)

data->key |= KEYC_PREFIX;

argc--;

argv++;

if (data->tablename != NULL) {

if (argc != 1)

goto usage;

data->modecmd = xstrdup(argv[0]);

} else {

if ((data->cmdlist = cmd_list_parse(argc, argv, cause)) == NULL)

goto error;

}

return (0);

usage:

xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);

error:

self->entry->free(self);

return (-1);

}

int

cmd_bind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx)

{

struct cmd_bind_key_data *data = self->data;

if (data == NULL)

return (0);

if (data->tablename != NULL)

return (cmd_bind_key_table(self, ctx));

key_bindings_add(data->key, data->can_repeat, data->cmdlist);

data->cmdlist->references++;

return (0);

}

int

cmd_bind_key_table(struct cmd *self, struct cmd_ctx *ctx)

{

struct cmd_bind_key_data *data = self->data;

const struct mode_key_table *mtab;

struct mode_key_binding *mbind, mtmp;

enum mode_key_cmd cmd;

if ((mtab = mode_key_findtable(data->tablename)) == NULL) {

ctx->error(ctx, "unknown key table: %s", data->tablename);

return (-1);

}

cmd = mode_key_fromstring(mtab->cmdstr, data->modecmd);

if (cmd == MODEKEY_NONE) {

ctx->error(ctx, "unknown command: %s", data->modecmd);

return (-1);

}

mtmp.key = data->key & ~KEYC_PREFIX;

mtmp.mode = data->command_key ? 1 : 0;

if ((mbind = SPLAY_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {

mbind->cmd = cmd;

return (0);

}

mbind = xmalloc(sizeof *mbind);

mbind->key = mtmp.key;

mbind->mode = mtmp.mode;

mbind->cmd = cmd;

SPLAY_INSERT(mode_key_tree, mtab->tree, mbind);

return (0);

}

void

cmd_bind_key_free(struct cmd *self)

{

struct cmd_bind_key_data *data = self->data;

if (data->cmdlist != NULL)

cmd_list_free(data->cmdlist);

if (data->tablename != NULL)

xfree(data->tablename);

if (data->modecmd != NULL)

xfree(data->modecmd);

xfree(data);

}

size_t

cmd_bind_key_print(struct cmd *self, char *buf, size_t len)

{

struct cmd_bind_key_data *data = self->data;

size_t off = 0;

const char *skey;

off += xsnprintf(buf, len, "%s", self->entry->name);

if (data == NULL)

return (off);

if (off < len && data->command_key)

off += xsnprintf(buf + off, len - off, " -c");

if (off < len && !(data->key & KEYC_PREFIX))

off += xsnprintf(buf + off, len - off, " -n");

if (off < len && data->can_repeat)

off += xsnprintf(buf + off, len - off, " -r");

if (off < len && data->tablename != NULL)

off += cmd_prarg(buf + off, len - off, " -t ", data->tablename);

if (off < len) {

skey = key_string_lookup_key(data->key & ~KEYC_PREFIX);

off += xsnprintf(buf + off, len - off, " %s ", skey);

}

if (off < len)

off += cmd_list_print(data->cmdlist, buf + off, len - off);

return (off);

}