tmux/cmd-list-keys.c

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/* $Id$ */
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/*
* 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>
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#include "tmux.h"
/*
* List key bindings.
*/
enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_list_keys_entry = {
"list-keys", "lsk",
"t:", 0, 0,
"[-t key-table]",
0,
NULL,
NULL,
cmd_list_keys_exec
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};
enum cmd_retval
cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
struct args *args = self->args;
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struct key_binding *bd;
const char *key;
char tmp[BUFSIZ], flags[8];
size_t used;
int width, keywidth;
if (args_has(args, 't'))
return (cmd_list_keys_table(self, ctx));
width = 0;
RB_FOREACH(bd, key_bindings, &key_bindings) {
key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
if (key == NULL)
continue;
keywidth = strlen(key);
if (!(bd->key & KEYC_PREFIX)) {
if (bd->can_repeat)
keywidth += 4;
else
keywidth += 3;
} else if (bd->can_repeat)
keywidth += 3;
if (keywidth > width)
width = keywidth;
}
RB_FOREACH(bd, key_bindings, &key_bindings) {
key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
if (key == NULL)
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continue;
*flags = '\0';
if (!(bd->key & KEYC_PREFIX)) {
if (bd->can_repeat)
xsnprintf(flags, sizeof flags, "-rn ");
else
xsnprintf(flags, sizeof flags, "-n ");
} else if (bd->can_repeat)
xsnprintf(flags, sizeof flags, "-r ");
used = xsnprintf(tmp, sizeof tmp, "%s%*s ",
flags, (int) (width - strlen(flags)), key);
if (used >= sizeof tmp)
continue;
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cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
ctx->print(ctx, "bind-key %s", tmp);
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}
return (CMD_RETURN_NORMAL);
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}
enum cmd_retval
cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
const char *tablename;
const struct mode_key_table *mtab;
struct mode_key_binding *mbind;
const char *key, *cmdstr, *mode;
int width, keywidth, any_mode;
tablename = args_get(args, 't');
if ((mtab = mode_key_findtable(tablename)) == NULL) {
ctx->error(ctx, "unknown key table: %s", tablename);
return (CMD_RETURN_ERROR);
}
width = 0;
any_mode = 0;
RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
key = key_string_lookup_key(mbind->key);
if (key == NULL)
continue;
if (mbind->mode != 0)
any_mode = 1;
keywidth = strlen(key);
if (keywidth > width)
width = keywidth;
}
RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
key = key_string_lookup_key(mbind->key);
if (key == NULL)
continue;
mode = "";
if (mbind->mode != 0)
mode = "c";
cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
if (cmdstr != NULL) {
ctx->print(ctx, "bind-key -%st %s%s %*s %s%s%s%s",
mode, any_mode && *mode == '\0' ? " " : "",
mtab->name, (int) width, key, cmdstr,
mbind->arg != NULL ? " \"" : "",
mbind->arg != NULL ? mbind->arg : "",
mbind->arg != NULL ? "\"": "");
}
}
return (CMD_RETURN_NORMAL);
}