tmux/cmd-list-keys.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* List key bindings.
*/
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static enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_q *);
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static enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_q *);
static enum cmd_retval cmd_list_keys_commands(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_list_keys_entry = {
.name = "list-keys",
.alias = "lsk",
.args = { "t:T:", 0, 0 },
.usage = "[-t mode-table] [-T key-table]",
.flags = CMD_STARTSERVER|CMD_AFTERHOOK,
.exec = cmd_list_keys_exec
};
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const struct cmd_entry cmd_list_commands_entry = {
.name = "list-commands",
.alias = "lscm",
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.args = { "F:", 0, 0 },
.usage = "[-F format]",
.flags = CMD_STARTSERVER|CMD_AFTERHOOK,
.exec = cmd_list_keys_exec
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};
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static enum cmd_retval
cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct key_table *table;
struct key_binding *bd;
const char *key, *tablename, *r;
char *cp, tmp[BUFSIZ];
int repeat, width, tablewidth, keywidth;
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if (self->entry == &cmd_list_commands_entry)
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return (cmd_list_keys_commands(self, cmdq));
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if (args_has(args, 't'))
return (cmd_list_keys_table(self, cmdq));
tablename = args_get(args, 'T');
if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) {
cmdq_error(cmdq, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
repeat = 0;
tablewidth = keywidth = 0;
RB_FOREACH(table, key_tables, &key_tables) {
if (tablename != NULL && strcmp(table->name, tablename) != 0)
continue;
RB_FOREACH(bd, key_bindings, &table->key_bindings) {
key = key_string_lookup_key(bd->key);
if (bd->can_repeat)
repeat = 1;
width = utf8_cstrwidth(table->name);
if (width > tablewidth)
tablewidth = width;
width = utf8_cstrwidth(key);
if (width > keywidth)
keywidth = width;
}
}
RB_FOREACH(table, key_tables, &key_tables) {
if (tablename != NULL && strcmp(table->name, tablename) != 0)
continue;
RB_FOREACH(bd, key_bindings, &table->key_bindings) {
key = key_string_lookup_key(bd->key);
if (!repeat)
r = "";
else if (bd->can_repeat)
r = "-r ";
else
r = " ";
xsnprintf(tmp, sizeof tmp, "%s-T ", r);
cp = utf8_padcstr(table->name, tablewidth);
strlcat(tmp, cp, sizeof tmp);
strlcat(tmp, " ", sizeof tmp);
free(cp);
cp = utf8_padcstr(key, keywidth);
strlcat(tmp, cp, sizeof tmp);
strlcat(tmp, " ", sizeof tmp);
free(cp);
cp = cmd_list_print(bd->cmdlist);
strlcat(tmp, cp, sizeof tmp);
free(cp);
cmdq_print(cmdq, "bind-key %s", tmp);
}
}
return (CMD_RETURN_NORMAL);
}
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static enum cmd_retval
cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
const char *tablename, *cmdstr;
const struct mode_key_table *mtab;
struct mode_key_binding *mbind;
int width, keywidth;
tablename = args_get(args, 't');
if ((mtab = mode_key_findtable(tablename)) == NULL) {
cmdq_error(cmdq, "unknown key table: %s", tablename);
return (CMD_RETURN_ERROR);
}
keywidth = 0;
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RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
width = strlen(key_string_lookup_key(mbind->key));
if (width > keywidth)
keywidth = width;
}
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RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
if (cmdstr != NULL) {
cmdq_print(cmdq, "bind-key -t %s %*s %s",
mtab->name, (int)keywidth,
key_string_lookup_key(mbind->key), cmdstr);
}
}
return (CMD_RETURN_NORMAL);
}
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static enum cmd_retval
cmd_list_keys_commands(struct cmd *self, struct cmd_q *cmdq)
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{
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struct args *args = self->args;
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const struct cmd_entry **entryp;
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const struct cmd_entry *entry;
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struct format_tree *ft;
const char *template;
char *line;
if ((template = args_get(args, 'F')) == NULL) {
template = "#{command_list_name}"
"#{?command_list_alias, (#{command_list_alias}),} "
"#{command_list_usage}";
}
ft = format_create(cmdq, 0);
format_defaults(ft, NULL, NULL, NULL, NULL);
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
entry = *entryp;
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format_add(ft, "command_list_name", "%s", entry->name);
if (entry->alias != NULL) {
format_add(ft, "command_list_alias", "%s",
entry->alias);
}
if (entry->alias != NULL) {
format_add(ft, "command_list_usage", "%s",
entry->usage);
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}
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line = format_expand(ft, template);
if (*line != '\0')
cmdq_print(cmdq, "%s", line);
free(line);
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}
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format_free(ft);
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return (CMD_RETURN_NORMAL);
}