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	key_string_lookup_key uses a static buffer, so copy its output into the working buffer before calling the command print function which can also use it (eg send-keys).
		
			
				
	
	
		
			128 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* $Id: cmd-list-keys.c,v 1.21 2009-11-08 23:30:42 tcunha Exp $ */
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/*
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 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * List key bindings.
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 */
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int	cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
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int	cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_list_keys_entry = {
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	"list-keys", "lsk",
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	"[-t key-table]",
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	0, 0,
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	cmd_target_init,
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	cmd_target_parse,
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	cmd_list_keys_exec,
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	cmd_target_free,
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	cmd_target_print
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};
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int
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cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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	struct cmd_target_data	*data = self->data;
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	struct key_binding	*bd;
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	const char		*key;
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	char			 tmp[BUFSIZ];
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	size_t			 used;
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	int			 width, keywidth;
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	if (data->target != NULL)
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		return (cmd_list_keys_table(self, ctx));
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	width = 0;
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	SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
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		key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
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		if (key == NULL)
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			continue;
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		keywidth = strlen(key) + 1;
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		if (!(bd->key & KEYC_PREFIX))
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			keywidth += 2;
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		if (keywidth > width)
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			width = keywidth;
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	}
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	SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
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		key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
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		if (key == NULL)
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			continue;
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		if (!(bd->key & KEYC_PREFIX))
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			used = xsnprintf(tmp, sizeof tmp, "[%s]: ", key);
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		else
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			used = xsnprintf(tmp, sizeof tmp, "%*s: ", width, key);
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		if (used >= sizeof tmp)
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			continue;
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		cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
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		ctx->print(ctx, "%s", tmp);
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	}
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	return (0);
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}
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int
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cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
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{
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	struct cmd_target_data		*data = self->data;
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	const struct mode_key_table	*mtab;
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	struct mode_key_binding		*mbind;
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	const char			*key, *cmdstr, *mode;
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	int			 	 width, keywidth;
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	if ((mtab = mode_key_findtable(data->target)) == NULL) {
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		ctx->error(ctx, "unknown key table: %s", data->target);
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		return (-1);
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	}
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	width = 0;
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	SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
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		key = key_string_lookup_key(mbind->key);
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		if (key == NULL)
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			continue;
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		keywidth = strlen(key) + 1;
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		if (keywidth > width)
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			width = keywidth;
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	}
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	SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
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		key = key_string_lookup_key(mbind->key);
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		if (key == NULL)
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			continue;
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		mode = "";
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		if (mbind->mode != 0)
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			mode = "(command mode) ";
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		cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
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		if (cmdstr != NULL)
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			ctx->print(ctx, "%*s: %s%s", width, key, mode, cmdstr);
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	}
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	return (0);
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}
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