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    /* $OpenBSD: cmd-list-keys.c,v 1.44 2017/05/01 12:20:55 nicm Exp $ */  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>  | 
    
    
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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 <stdlib.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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    static enum cmd_retval	cmd_list_keys_exec(struct cmd *, struct cmdq_item *);  | 
    
    
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    static enum cmd_retval	cmd_list_keys_commands(struct cmd *,  | 
    
    
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    			    struct cmdq_item *);  | 
    
    
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    const struct cmd_entry cmd_list_keys_entry = { | 
    
    
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    	.name = "list-keys",  | 
    
    
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    	.alias = "lsk",  | 
    
    
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    	.args = { "T:", 0, 0 }, | 
    
    
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    	.usage = "[-T key-table]",  | 
    
    
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    	.flags = CMD_STARTSERVER|CMD_AFTERHOOK,  | 
    
    
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    	.exec = cmd_list_keys_exec  | 
    
    
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    };  | 
    
    
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    const struct cmd_entry cmd_list_commands_entry = { | 
    
    
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    	.name = "list-commands",  | 
    
    
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    	.alias = "lscm",  | 
    
    
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    	.args = { "F:", 0, 0 }, | 
    
    
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    	.usage = "[-F format]",  | 
    
    
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    	.flags = CMD_STARTSERVER|CMD_AFTERHOOK,  | 
    
    
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    	.exec = cmd_list_keys_exec  | 
    
    
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    };  | 
    
    
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    static enum cmd_retval  | 
    
    
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    cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)  | 
    
    
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    { | 
    
    
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    	struct args		*args = self->args;  | 
    
    
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    	struct key_table	*table;  | 
    
    
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    	struct key_binding	*bd;  | 
    
    
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    	const char		*key, *tablename, *r;  | 
    
    
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    	char			*cp, tmp[BUFSIZ];  | 
    
    
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    	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, item));  | 
    
    
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    	tablename = args_get(args, 'T');  | 
    
    
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    	if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) { | 
    
    
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    		cmdq_error(item, "table %s doesn't exist", tablename);  | 
    
    
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    		return (CMD_RETURN_ERROR);  | 
    
    
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    	}  | 
    
    
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    	repeat = 0;  | 
    
    
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    	tablewidth = keywidth = 0;  | 
    
    
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    	RB_FOREACH(table, key_tables, &key_tables) { | 
    
    
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    		if (tablename != NULL && strcmp(table->name, tablename) != 0)  | 
    
    
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    			continue;  | 
    
    
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    		RB_FOREACH(bd, key_bindings, &table->key_bindings) { | 
    
    
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    			key = key_string_lookup_key(bd->key);  | 
    
    
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    			if (bd->flags & KEY_BINDING_REPEAT)  | 
    
    
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    				repeat = 1;  | 
    
    
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    			width = utf8_cstrwidth(table->name);  | 
    
    
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    			if (width > tablewidth)  | 
    
    
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    				tablewidth = width;  | 
    
    
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    			width = utf8_cstrwidth(key);  | 
    
    
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    			if (width > keywidth)  | 
    
    
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    				keywidth = width;  | 
    
    
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    		}  | 
    
    
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    	}  | 
    
    
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    	RB_FOREACH(table, key_tables, &key_tables) { | 
    
    
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    		if (tablename != NULL && strcmp(table->name, tablename) != 0)  | 
    
    
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    			continue;  | 
    
    
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    		RB_FOREACH(bd, key_bindings, &table->key_bindings) { | 
    
    
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    			key = key_string_lookup_key(bd->key);  | 
    
    
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    			if (!repeat)  | 
    
    
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    				r = "";  | 
    
    
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    			else if (bd->flags & KEY_BINDING_REPEAT)  | 
    
    
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    				r = "-r ";  | 
    
    
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    			else  | 
    
    
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    				r = "   ";  | 
    
    
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    			xsnprintf(tmp, sizeof tmp, "%s-T ", r);  | 
    
    
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    			cp = utf8_padcstr(table->name, tablewidth);  | 
    
    
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    			strlcat(tmp, cp, sizeof tmp);  | 
    
    
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    			strlcat(tmp, " ", sizeof tmp);  | 
    
    
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    			free(cp);  | 
    
    
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    			cp = utf8_padcstr(key, keywidth);  | 
    
    
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    			strlcat(tmp, cp, sizeof tmp);  | 
    
    
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    			strlcat(tmp, " ", sizeof tmp);  | 
    
    
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    			free(cp);  | 
    
    
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    			cp = cmd_list_print(bd->cmdlist);  | 
    
    
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    			strlcat(tmp, cp, sizeof tmp);  | 
    
    
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    			free(cp);  | 
    
    
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    			cmdq_print(item, "bind-key %s", tmp);  | 
    
    
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    		}  | 
    
    
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    	}  | 
    
    
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    	return (CMD_RETURN_NORMAL);  | 
    
    
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    }  | 
    
    
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    static enum cmd_retval  | 
    
    
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    cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)  | 
    
    
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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;  | 
    
    
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    	const char		 *template, *s;  | 
    
    
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    	char			 *line;  | 
    
    
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    	if ((template = args_get(args, 'F')) == NULL) { | 
    
    
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    		template = "#{command_list_name}" | 
    
    
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    		    "#{?command_list_alias, (#{command_list_alias}),} " | 
    
    
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    		    "#{command_list_usage}"; | 
    
    
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    	}  | 
    
    
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    	ft = format_create(item->client, item, FORMAT_NONE, 0);  | 
    
    
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    	format_defaults(ft, NULL, NULL, NULL, NULL);  | 
    
    
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    	for (entryp = cmd_table; *entryp != NULL; entryp++) { | 
    
    
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    		entry = *entryp;  | 
    
    
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    		format_add(ft, "command_list_name", "%s", entry->name);  | 
    
    
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    		if (entry->alias != NULL)  | 
    
    
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    			s = entry->alias;  | 
    
    
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    		else  | 
    
    
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    			s = "";  | 
    
    
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    		format_add(ft, "command_list_alias", "%s", s);  | 
    
    
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    		if (entry->usage != NULL)  | 
    
    
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    			s = entry->usage;  | 
    
    
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    		else  | 
    
    
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    			s = "";  | 
    
    
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    		format_add(ft, "command_list_usage", "%s", s);  | 
    
    
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    		line = format_expand(ft, template);  | 
    
    
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    		if (*line != '\0')  | 
    
    
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    			cmdq_print(item, "%s", line);  | 
    
    
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    		free(line);  | 
    
    
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    	}  | 
    
    
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    	format_free(ft);  | 
    
    
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    	return (CMD_RETURN_NORMAL);  | 
    
    
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    }  |