1 /* $OpenBSD: cmd-list-keys.c,v 1.17 2012/01/21 11:12:13 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 int cmd_list_keys_exec(struct cmd *, struct cmd_ctx *); 30 31 int cmd_list_keys_table(struct cmd *, struct cmd_ctx *); 32 33 const struct cmd_entry cmd_list_keys_entry = { 34 "list-keys", "lsk", 35 "t:", 0, 0, 36 "[-t key-table]", 37 0, 38 NULL, 39 NULL, 40 cmd_list_keys_exec 41 }; 42 43 int 44 cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx) 45 { 46 struct args *args = self->args; 47 struct key_binding *bd; 48 const char *key; 49 char tmp[BUFSIZ], flags[8]; 50 size_t used; 51 int width, keywidth; 52 53 if (args_has(args, 't')) 54 return (cmd_list_keys_table(self, ctx)); 55 56 width = 0; 57 58 RB_FOREACH(bd, key_bindings, &key_bindings) { 59 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX); 60 if (key == NULL) 61 continue; 62 63 keywidth = strlen(key); 64 if (!(bd->key & KEYC_PREFIX)) { 65 if (bd->can_repeat) 66 keywidth += 4; 67 else 68 keywidth += 3; 69 } else if (bd->can_repeat) 70 keywidth += 3; 71 if (keywidth > width) 72 width = keywidth; 73 } 74 75 RB_FOREACH(bd, key_bindings, &key_bindings) { 76 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX); 77 if (key == NULL) 78 continue; 79 80 *flags = '\0'; 81 if (!(bd->key & KEYC_PREFIX)) { 82 if (bd->can_repeat) 83 xsnprintf(flags, sizeof flags, "-rn "); 84 else 85 xsnprintf(flags, sizeof flags, "-n "); 86 } else if (bd->can_repeat) 87 xsnprintf(flags, sizeof flags, "-r "); 88 89 used = xsnprintf(tmp, sizeof tmp, "%s%*s ", 90 flags, (int) (width - strlen(flags)), key); 91 if (used >= sizeof tmp) 92 continue; 93 94 cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used); 95 ctx->print(ctx, "bind-key %s", tmp); 96 } 97 98 return (0); 99 } 100 101 int 102 cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx) 103 { 104 struct args *args = self->args; 105 const char *tablename; 106 const struct mode_key_table *mtab; 107 struct mode_key_binding *mbind; 108 const char *key, *cmdstr, *mode; 109 int width, keywidth, any_mode; 110 111 tablename = args_get(args, 't'); 112 if ((mtab = mode_key_findtable(tablename)) == NULL) { 113 ctx->error(ctx, "unknown key table: %s", tablename); 114 return (-1); 115 } 116 117 width = 0; 118 any_mode = 0; 119 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 120 key = key_string_lookup_key(mbind->key); 121 if (key == NULL) 122 continue; 123 124 if (mbind->mode != 0) 125 any_mode = 1; 126 127 keywidth = strlen(key); 128 if (keywidth > width) 129 width = keywidth; 130 } 131 132 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 133 key = key_string_lookup_key(mbind->key); 134 if (key == NULL) 135 continue; 136 137 mode = ""; 138 if (mbind->mode != 0) 139 mode = "c"; 140 cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd); 141 if (cmdstr != NULL) { 142 ctx->print(ctx, "bind-key -%st %s%s %*s %s", 143 mode, any_mode && *mode == '\0' ? " " : "", 144 mtab->name, (int) width, key, cmdstr); 145 } 146 } 147 148 return (0); 149 } 150