1 /* $OpenBSD: cmd-list-keys.c,v 1.19 2012/10/15 21:53:30 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 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 <string.h> 22 23 #include "tmux.h" 24 25 /* 26 * List key bindings. 27 */ 28 29 enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_ctx *); 30 enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_ctx *); 31 32 const struct cmd_entry cmd_list_keys_entry = { 33 "list-keys", "lsk", 34 "t:", 0, 0, 35 "[-t key-table]", 36 0, 37 NULL, 38 NULL, 39 cmd_list_keys_exec 40 }; 41 42 enum cmd_retval 43 cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx) 44 { 45 struct args *args = self->args; 46 struct key_binding *bd; 47 const char *key; 48 char tmp[BUFSIZ], flags[8]; 49 size_t used; 50 int width, keywidth; 51 52 if (args_has(args, 't')) 53 return (cmd_list_keys_table(self, ctx)); 54 55 width = 0; 56 57 RB_FOREACH(bd, key_bindings, &key_bindings) { 58 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX); 59 if (key == NULL) 60 continue; 61 62 keywidth = strlen(key); 63 if (!(bd->key & KEYC_PREFIX)) { 64 if (bd->can_repeat) 65 keywidth += 4; 66 else 67 keywidth += 3; 68 } else if (bd->can_repeat) 69 keywidth += 3; 70 if (keywidth > width) 71 width = keywidth; 72 } 73 74 RB_FOREACH(bd, key_bindings, &key_bindings) { 75 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX); 76 if (key == NULL) 77 continue; 78 79 *flags = '\0'; 80 if (!(bd->key & KEYC_PREFIX)) { 81 if (bd->can_repeat) 82 xsnprintf(flags, sizeof flags, "-rn "); 83 else 84 xsnprintf(flags, sizeof flags, "-n "); 85 } else if (bd->can_repeat) 86 xsnprintf(flags, sizeof flags, "-r "); 87 88 used = xsnprintf(tmp, sizeof tmp, "%s%*s ", 89 flags, (int) (width - strlen(flags)), key); 90 if (used >= sizeof tmp) 91 continue; 92 93 cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used); 94 ctx->print(ctx, "bind-key %s", tmp); 95 } 96 97 return (CMD_RETURN_NORMAL); 98 } 99 100 enum cmd_retval 101 cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx) 102 { 103 struct args *args = self->args; 104 const char *tablename; 105 const struct mode_key_table *mtab; 106 struct mode_key_binding *mbind; 107 const char *key, *cmdstr, *mode; 108 int width, keywidth, any_mode; 109 110 tablename = args_get(args, 't'); 111 if ((mtab = mode_key_findtable(tablename)) == NULL) { 112 ctx->error(ctx, "unknown key table: %s", tablename); 113 return (CMD_RETURN_ERROR); 114 } 115 116 width = 0; 117 any_mode = 0; 118 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 119 key = key_string_lookup_key(mbind->key); 120 if (key == NULL) 121 continue; 122 123 if (mbind->mode != 0) 124 any_mode = 1; 125 126 keywidth = strlen(key); 127 if (keywidth > width) 128 width = keywidth; 129 } 130 131 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 132 key = key_string_lookup_key(mbind->key); 133 if (key == NULL) 134 continue; 135 136 mode = ""; 137 if (mbind->mode != 0) 138 mode = "c"; 139 cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd); 140 if (cmdstr != NULL) { 141 ctx->print(ctx, "bind-key -%st %s%s %*s %s", 142 mode, any_mode && *mode == '\0' ? " " : "", 143 mtab->name, (int) width, key, cmdstr); 144 } 145 } 146 147 return (CMD_RETURN_NORMAL); 148 } 149