Annotation of embedaddon/tmux/cmd-list-keys.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <stdlib.h>
! 22: #include <string.h>
! 23:
! 24: #include "tmux.h"
! 25:
! 26: /*
! 27: * List key bindings.
! 28: */
! 29:
! 30: static enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmdq_item *);
! 31:
! 32: static enum cmd_retval cmd_list_keys_commands(struct cmd *,
! 33: struct cmdq_item *);
! 34:
! 35: const struct cmd_entry cmd_list_keys_entry = {
! 36: .name = "list-keys",
! 37: .alias = "lsk",
! 38:
! 39: .args = { "T:", 0, 0 },
! 40: .usage = "[-T key-table]",
! 41:
! 42: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
! 43: .exec = cmd_list_keys_exec
! 44: };
! 45:
! 46: const struct cmd_entry cmd_list_commands_entry = {
! 47: .name = "list-commands",
! 48: .alias = "lscm",
! 49:
! 50: .args = { "F:", 0, 0 },
! 51: .usage = "[-F format]",
! 52:
! 53: .flags = CMD_STARTSERVER|CMD_AFTERHOOK,
! 54: .exec = cmd_list_keys_exec
! 55: };
! 56:
! 57: static enum cmd_retval
! 58: cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
! 59: {
! 60: struct args *args = self->args;
! 61: struct key_table *table;
! 62: struct key_binding *bd;
! 63: const char *key, *tablename, *r;
! 64: char *cp, tmp[BUFSIZ];
! 65: int repeat, width, tablewidth, keywidth;
! 66:
! 67: if (self->entry == &cmd_list_commands_entry)
! 68: return (cmd_list_keys_commands(self, item));
! 69:
! 70: tablename = args_get(args, 'T');
! 71: if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) {
! 72: cmdq_error(item, "table %s doesn't exist", tablename);
! 73: return (CMD_RETURN_ERROR);
! 74: }
! 75:
! 76: repeat = 0;
! 77: tablewidth = keywidth = 0;
! 78: RB_FOREACH(table, key_tables, &key_tables) {
! 79: if (tablename != NULL && strcmp(table->name, tablename) != 0)
! 80: continue;
! 81: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
! 82: key = key_string_lookup_key(bd->key);
! 83:
! 84: if (bd->can_repeat)
! 85: repeat = 1;
! 86:
! 87: width = utf8_cstrwidth(table->name);
! 88: if (width > tablewidth)
! 89: tablewidth = width;
! 90: width = utf8_cstrwidth(key);
! 91: if (width > keywidth)
! 92: keywidth = width;
! 93: }
! 94: }
! 95:
! 96: RB_FOREACH(table, key_tables, &key_tables) {
! 97: if (tablename != NULL && strcmp(table->name, tablename) != 0)
! 98: continue;
! 99: RB_FOREACH(bd, key_bindings, &table->key_bindings) {
! 100: key = key_string_lookup_key(bd->key);
! 101:
! 102: if (!repeat)
! 103: r = "";
! 104: else if (bd->can_repeat)
! 105: r = "-r ";
! 106: else
! 107: r = " ";
! 108: xsnprintf(tmp, sizeof tmp, "%s-T ", r);
! 109:
! 110: cp = utf8_padcstr(table->name, tablewidth);
! 111: strlcat(tmp, cp, sizeof tmp);
! 112: strlcat(tmp, " ", sizeof tmp);
! 113: free(cp);
! 114:
! 115: cp = utf8_padcstr(key, keywidth);
! 116: strlcat(tmp, cp, sizeof tmp);
! 117: strlcat(tmp, " ", sizeof tmp);
! 118: free(cp);
! 119:
! 120: cp = cmd_list_print(bd->cmdlist);
! 121: strlcat(tmp, cp, sizeof tmp);
! 122: free(cp);
! 123:
! 124: cmdq_print(item, "bind-key %s", tmp);
! 125: }
! 126: }
! 127:
! 128: return (CMD_RETURN_NORMAL);
! 129: }
! 130:
! 131: static enum cmd_retval
! 132: cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)
! 133: {
! 134: struct args *args = self->args;
! 135: const struct cmd_entry **entryp;
! 136: const struct cmd_entry *entry;
! 137: struct format_tree *ft;
! 138: const char *template, *s;
! 139: char *line;
! 140:
! 141: if ((template = args_get(args, 'F')) == NULL) {
! 142: template = "#{command_list_name}"
! 143: "#{?command_list_alias, (#{command_list_alias}),} "
! 144: "#{command_list_usage}";
! 145: }
! 146:
! 147: ft = format_create(item, FORMAT_NONE, 0);
! 148: format_defaults(ft, NULL, NULL, NULL, NULL);
! 149:
! 150: for (entryp = cmd_table; *entryp != NULL; entryp++) {
! 151: entry = *entryp;
! 152:
! 153: format_add(ft, "command_list_name", "%s", entry->name);
! 154: if (entry->alias != NULL)
! 155: s = entry->alias;
! 156: else
! 157: s = "";
! 158: format_add(ft, "command_list_alias", "%s", s);
! 159: if (entry->usage != NULL)
! 160: s = entry->usage;
! 161: else
! 162: s = "";
! 163: format_add(ft, "command_list_usage", "%s", s);
! 164:
! 165: line = format_expand(ft, template);
! 166: if (*line != '\0')
! 167: cmdq_print(item, "%s", line);
! 168: free(line);
! 169: }
! 170:
! 171: format_free(ft);
! 172: return (CMD_RETURN_NORMAL);
! 173: }
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