Annotation of src/usr.bin/tmux/cmd-bind-key.c, Revision 1.1
1.1 ! nicm 1: /* $OpenBSD$ */
! 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: }