1 /* $OpenBSD: cmd-list-keys.c,v 1.14 2011/07/04 00:31:57 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 SPLAY_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 SPLAY_FOREACH(bd, key_bindings, &key_bindings) { 75 key = key_string_lookup_key(bd->key & ~KEYC_PREFIX); 76 if (key == NULL) 77 continue; 78 79 if (!(bd->key & KEYC_PREFIX)) { 80 if (bd->can_repeat) 81 xsnprintf(flags, sizeof flags, "-rn "); 82 else 83 xsnprintf(flags, sizeof flags, "-n "); 84 } else if (bd->can_repeat) 85 xsnprintf(flags, sizeof flags, "-r "); 86 87 used = xsnprintf(tmp, sizeof tmp, "%s%*s ", 88 flags, (int) (width - strlen(flags)), key); 89 if (used >= sizeof tmp) 90 continue; 91 92 cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used); 93 ctx->print(ctx, "bind-key %s", tmp); 94 } 95 96 return (0); 97 } 98 99 int 100 cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx) 101 { 102 struct args *args = self->args; 103 const char *tablename; 104 const struct mode_key_table *mtab; 105 struct mode_key_binding *mbind; 106 const char *key, *cmdstr, *mode; 107 int width, keywidth, any_mode; 108 109 tablename = args_get(args, 't'); 110 if ((mtab = mode_key_findtable(tablename)) == NULL) { 111 ctx->error(ctx, "unknown key table: %s", tablename); 112 return (-1); 113 } 114 115 width = 0; 116 any_mode = 0; 117 SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) { 118 key = key_string_lookup_key(mbind->key); 119 if (key == NULL) 120 continue; 121 122 if (mbind->mode != 0) 123 any_mode = 1; 124 125 keywidth = strlen(key); 126 if (keywidth > width) 127 width = keywidth; 128 } 129 130 SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) { 131 key = key_string_lookup_key(mbind->key); 132 if (key == NULL) 133 continue; 134 135 mode = ""; 136 if (mbind->mode != 0) 137 mode = "c"; 138 cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd); 139 if (cmdstr != NULL) { 140 ctx->print(ctx, "bind-key -%st %s%s %*s %s", 141 mode, any_mode && *mode == '\0' ? " " : "", 142 mtab->name, (int) width, key, cmdstr); 143 } 144 } 145 146 return (0); 147 } 148