1 /* $OpenBSD: cmd-bind-key.c,v 1.1 2009/06/01 22:58:49 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 "tmux.h" 22 23 /* 24 * Bind a key to a command, this recurses through cmd_*. 25 */ 26 27 int cmd_bind_key_parse(struct cmd *, int, char **, char **); 28 int cmd_bind_key_exec(struct cmd *, struct cmd_ctx *); 29 void cmd_bind_key_send(struct cmd *, struct buffer *); 30 void cmd_bind_key_recv(struct cmd *, struct buffer *); 31 void cmd_bind_key_free(struct cmd *); 32 size_t cmd_bind_key_print(struct cmd *, char *, size_t); 33 34 struct cmd_bind_key_data { 35 int key; 36 int can_repeat; 37 struct cmd_list *cmdlist; 38 }; 39 40 const struct cmd_entry cmd_bind_key_entry = { 41 "bind-key", "bind", 42 "[-r] key command [arguments]", 43 0, 44 NULL, 45 cmd_bind_key_parse, 46 cmd_bind_key_exec, 47 cmd_bind_key_send, 48 cmd_bind_key_recv, 49 cmd_bind_key_free, 50 cmd_bind_key_print 51 }; 52 53 int 54 cmd_bind_key_parse(struct cmd *self, int argc, char **argv, char **cause) 55 { 56 struct cmd_bind_key_data *data; 57 int opt; 58 59 self->data = data = xmalloc(sizeof *data); 60 data->can_repeat = 0; 61 data->cmdlist = NULL; 62 63 while ((opt = getopt(argc, argv, "r")) != -1) { 64 switch (opt) { 65 case 'r': 66 data->can_repeat = 1; 67 break; 68 default: 69 goto usage; 70 } 71 } 72 argc -= optind; 73 argv += optind; 74 if (argc < 1) 75 goto usage; 76 77 if ((data->key = key_string_lookup_string(argv[0])) == KEYC_NONE) { 78 xasprintf(cause, "unknown key: %s", argv[0]); 79 goto error; 80 } 81 82 argc--; 83 argv++; 84 if ((data->cmdlist = cmd_list_parse(argc, argv, cause)) == NULL) 85 goto error; 86 87 return (0); 88 89 usage: 90 xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage); 91 92 error: 93 self->entry->free(self); 94 return (-1); 95 } 96 97 int 98 cmd_bind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx) 99 { 100 struct cmd_bind_key_data *data = self->data; 101 102 if (data == NULL) 103 return (0); 104 105 key_bindings_add(data->key, data->can_repeat, data->cmdlist); 106 data->cmdlist = NULL; /* avoid free */ 107 108 return (0); 109 } 110 111 void 112 cmd_bind_key_send(struct cmd *self, struct buffer *b) 113 { 114 struct cmd_bind_key_data *data = self->data; 115 116 buffer_write(b, data, sizeof *data); 117 cmd_list_send(data->cmdlist, b); 118 } 119 120 void 121 cmd_bind_key_recv(struct cmd *self, struct buffer *b) 122 { 123 struct cmd_bind_key_data *data; 124 125 self->data = data = xmalloc(sizeof *data); 126 buffer_read(b, data, sizeof *data); 127 data->cmdlist = cmd_list_recv(b); 128 } 129 130 void 131 cmd_bind_key_free(struct cmd *self) 132 { 133 struct cmd_bind_key_data *data = self->data; 134 135 if (data->cmdlist != NULL) 136 cmd_list_free(data->cmdlist); 137 xfree(data); 138 } 139 140 size_t 141 cmd_bind_key_print(struct cmd *self, char *buf, size_t len) 142 { 143 struct cmd_bind_key_data *data = self->data; 144 size_t off = 0; 145 const char *skey; 146 147 off += xsnprintf(buf, len, "%s", self->entry->name); 148 if (data == NULL) 149 return (off); 150 if (off < len) { 151 skey = key_string_lookup_key(data->key); 152 off += xsnprintf(buf + off, len - off, " %s ", skey); 153 } 154 if (off < len) 155 off += cmd_list_print(data->cmdlist, buf + off, len - off); 156 return (off); 157 } 158