|  | /* $Id: cmd-set-option.c,v 1.30 2008-06-18 20:11:25 nicm Exp $ */ | 
|  |  | 
|  | /* | 
|  | * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> | 
|  | * | 
|  | * Permission to use, copy, modify, and distribute this software for any | 
|  | * purpose with or without fee is hereby granted, provided that the above | 
|  | * copyright notice and this permission notice appear in all copies. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
|  | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
|  | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 
|  | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
|  | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER | 
|  | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING | 
|  | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
|  | */ | 
|  |  | 
|  | #include <sys/types.h> | 
|  |  | 
|  | #include <getopt.h> | 
|  | #include <stdlib.h> | 
|  | #include <string.h> | 
|  |  | 
|  | #include "tmux.h" | 
|  |  | 
|  | /* | 
|  | * Set an option. | 
|  | */ | 
|  |  | 
|  | int	cmd_set_option_parse(struct cmd *, int, char **, char **); | 
|  | void	cmd_set_option_exec(struct cmd *, struct cmd_ctx *); | 
|  | void	cmd_set_option_send(struct cmd *, struct buffer *); | 
|  | void	cmd_set_option_recv(struct cmd *, struct buffer *); | 
|  | void	cmd_set_option_free(struct cmd *); | 
|  | void	cmd_set_option_print(struct cmd *, char *, size_t); | 
|  |  | 
|  | struct cmd_set_option_data { | 
|  | char	*target; | 
|  | int	 flag_global; | 
|  | char	*option; | 
|  | char	*value; | 
|  | }; | 
|  |  | 
|  | const struct cmd_entry cmd_set_option_entry = { | 
|  | "set-option", "set", | 
|  | "[-t target-session] option value", | 
|  | 0, | 
|  | NULL, | 
|  | cmd_set_option_parse, | 
|  | cmd_set_option_exec, | 
|  | cmd_set_option_send, | 
|  | cmd_set_option_recv, | 
|  | cmd_set_option_free, | 
|  | cmd_set_option_print | 
|  | }; | 
|  |  | 
|  | int | 
|  | cmd_set_option_parse(struct cmd *self, int argc, char **argv, char **cause) | 
|  | { | 
|  | struct cmd_set_option_data	*data; | 
|  | int				 opt; | 
|  |  | 
|  | self->data = data = xmalloc(sizeof *data); | 
|  | data->target = NULL; | 
|  | data->flag_global = 1; | 
|  | data->option = NULL; | 
|  | data->value = NULL; | 
|  |  | 
|  | while ((opt = getopt(argc, argv, "t:s:")) != EOF) { | 
|  | switch (opt) { | 
|  | case 't': | 
|  | if (data->target == NULL) | 
|  | data->target = xstrdup(optarg); | 
|  | data->flag_global = 0; | 
|  | break; | 
|  | default: | 
|  | goto usage; | 
|  | } | 
|  | } | 
|  | argc -= optind; | 
|  | argv += optind; | 
|  | if (argc != 1 && argc != 2) | 
|  | goto usage; | 
|  |  | 
|  | data->option = xstrdup(argv[0]); | 
|  | if (argc == 2) | 
|  | data->value = xstrdup(argv[1]); | 
|  |  | 
|  | return (0); | 
|  |  | 
|  | usage: | 
|  | xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage); | 
|  |  | 
|  | self->entry->free(self); | 
|  | return (-1); | 
|  | } | 
|  |  | 
|  | void | 
|  | cmd_set_option_exec(struct cmd *self, unused struct cmd_ctx *ctx) | 
|  | { | 
|  | struct cmd_set_option_data	*data = self->data; | 
|  | struct client			*c; | 
|  | struct session			*s; | 
|  | struct options			*oo; | 
|  | const char			*errstr; | 
|  | u_int				 i; | 
|  | int				 number, flag, key; | 
|  | u_char				 colour; | 
|  |  | 
|  | if (data == NULL) | 
|  | return; | 
|  |  | 
|  | if (data->flag_global || | 
|  | ((s = cmd_find_session(ctx, data->target))) == NULL) | 
|  | oo = &global_options; | 
|  | else | 
|  | oo = &s->options; | 
|  |  | 
|  | if (*data->option == '\0') { | 
|  | ctx->error(ctx, "invalid option"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | number = -1; | 
|  | if (data->value != NULL) { | 
|  | number = strtonum(data->value, 0, INT_MAX, &errstr); | 
|  | if (errstr != NULL) | 
|  | number = 0; | 
|  |  | 
|  | flag = -1; | 
|  | if (number == 1 || strcasecmp(data->value, "on") == 0 || | 
|  | strcasecmp(data->value, "yes") == 0) | 
|  | flag = 1; | 
|  | else if (number == 0 || strcasecmp(data->value, "off") == 0 || | 
|  | strcasecmp(data->value, "no") == 0) | 
|  | flag = 0; | 
|  | } else | 
|  | flag = -2; | 
|  |  | 
|  | if (strcmp(data->option, "prefix") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | key = key_string_lookup_string(data->value); | 
|  | if (key == KEYC_NONE) { | 
|  | ctx->error(ctx, "unknown key: %s", data->value); | 
|  | return; | 
|  | } | 
|  | options_set_key(oo, "prefix-key", key); | 
|  | } else if (strcmp(data->option, "status") == 0) { | 
|  | if (flag == -1) { | 
|  | ctx->error(ctx, "bad value: %s", data->value); | 
|  | return; | 
|  | } | 
|  | if (flag == -2) | 
|  | flag = !options_get_number(oo, "status-lines"); | 
|  | options_set_number(oo, "status-lines", flag); | 
|  | recalculate_sizes(); | 
|  | } else if (strcmp(data->option, "status-fg") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | number = screen_stringcolour(data->value); | 
|  | if (number > 8) { | 
|  | ctx->error(ctx, "bad colour: %s", data->value); | 
|  | return; | 
|  | } | 
|  |  | 
|  | colour = options_get_colours(oo, "status-colour"); | 
|  | colour &= 0x0f; | 
|  | colour |= number << 4; | 
|  | options_set_colours(oo, "status-colour", colour); | 
|  |  | 
|  | for (i = 0; i < ARRAY_LENGTH(&clients); i++) { | 
|  | c = ARRAY_ITEM(&clients, i); | 
|  | if (c != NULL && c->session != NULL) | 
|  | server_redraw_client(c); | 
|  | } | 
|  | } else if (strcmp(data->option, "status-bg") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | number = screen_stringcolour(data->value); | 
|  | if (number > 8) { | 
|  | ctx->error(ctx, "bad colour: %s", data->value); | 
|  | return; | 
|  | } | 
|  |  | 
|  | colour = options_get_colours(oo, "status-colour"); | 
|  | colour &= 0xf0; | 
|  | colour |= number; | 
|  | options_set_colours(oo, "status-colour", colour); | 
|  |  | 
|  | for (i = 0; i < ARRAY_LENGTH(&clients); i++) { | 
|  | c = ARRAY_ITEM(&clients, i); | 
|  | if (c != NULL && c->session != NULL) | 
|  | server_redraw_client(c); | 
|  | } | 
|  | } else if (strcmp(data->option, "bell-action") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | if (strcmp(data->value, "any") == 0) | 
|  | number = BELL_ANY; | 
|  | else if (strcmp(data->value, "none") == 0) | 
|  | number = BELL_NONE; | 
|  | else if (strcmp(data->value, "current") == 0) | 
|  | number = BELL_CURRENT; | 
|  | else { | 
|  | ctx->error(ctx, "unknown bell-action: %s", data->value); | 
|  | return; | 
|  | } | 
|  | options_set_number(oo, "bell-action", number); | 
|  | } else if (strcmp(data->option, "default-command") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | options_set_string(oo, "default-command", "%s", data->value); | 
|  | } else if (strcmp(data->option, "history-limit") == 0) { | 
|  | if (data->value == NULL || number == -1) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | if (errstr != NULL) { | 
|  | ctx->error(ctx, "history-limit %s", errstr); | 
|  | return; | 
|  | } | 
|  | if (number > SHRT_MAX) { | 
|  | ctx->error(ctx, "history-limit too big: %u", number); | 
|  | return; | 
|  | } | 
|  | options_set_number(oo, "history-limit", number); | 
|  | } else if (strcmp(data->option, "status-left") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | options_set_string(oo, "status-left", "%s", data->value); | 
|  |  | 
|  | for (i = 0; i < ARRAY_LENGTH(&clients); i++) { | 
|  | c = ARRAY_ITEM(&clients, i); | 
|  | if (c != NULL && c->session != NULL) | 
|  | server_redraw_client(c); | 
|  | } | 
|  | } else if (strcmp(data->option, "status-right") == 0) { | 
|  | if (data->value == NULL) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | options_set_string(oo, "status-right", "%s", data->value); | 
|  |  | 
|  | for (i = 0; i < ARRAY_LENGTH(&clients); i++) { | 
|  | c = ARRAY_ITEM(&clients, i); | 
|  | if (c != NULL && c->session != NULL) | 
|  | server_redraw_client(c); | 
|  | } | 
|  | } else if (strcmp(data->option, "status-interval") == 0) { | 
|  | if (data->value == NULL || number == -1) { | 
|  | ctx->error(ctx, "invalid value"); | 
|  | return; | 
|  | } | 
|  | if (errstr != NULL) { | 
|  | ctx->error(ctx, "status-interval %s", errstr); | 
|  | return; | 
|  | } | 
|  | options_set_number(oo, "status-interval", number); | 
|  | } else if (strcmp(data->option, "set-titles") == 0) { | 
|  | if (flag == -1) { | 
|  | ctx->error(ctx, "bad value: %s", data->value); | 
|  | return; | 
|  | } | 
|  | if (flag == -2) | 
|  | flag = !options_get_number(oo, "set-titles"); | 
|  | options_set_number(oo, "set-titles", flag); | 
|  | } else { | 
|  | ctx->error(ctx, "unknown option: %s", data->option); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (ctx->cmdclient != NULL) | 
|  | server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0); | 
|  | } | 
|  |  | 
|  | void | 
|  | cmd_set_option_send(struct cmd *self, struct buffer *b) | 
|  | { | 
|  | struct cmd_set_option_data	*data = self->data; | 
|  |  | 
|  | buffer_write(b, data, sizeof *data); | 
|  | cmd_send_string(b, data->target); | 
|  | cmd_send_string(b, data->option); | 
|  | cmd_send_string(b, data->value); | 
|  | } | 
|  |  | 
|  | void | 
|  | cmd_set_option_recv(struct cmd *self, struct buffer *b) | 
|  | { | 
|  | struct cmd_set_option_data	*data; | 
|  |  | 
|  | self->data = data = xmalloc(sizeof *data); | 
|  | buffer_read(b, data, sizeof *data); | 
|  | data->target = cmd_recv_string(b); | 
|  | data->option = cmd_recv_string(b); | 
|  | data->value = cmd_recv_string(b); | 
|  | } | 
|  |  | 
|  | void | 
|  | cmd_set_option_free(struct cmd *self) | 
|  | { | 
|  | struct cmd_set_option_data	*data = self->data; | 
|  |  | 
|  | if (data->target != NULL) | 
|  | xfree(data->target); | 
|  | if (data->option != NULL) | 
|  | xfree(data->option); | 
|  | if (data->value != NULL) | 
|  | xfree(data->value); | 
|  | xfree(data); | 
|  | } | 
|  |  | 
|  | void | 
|  | cmd_set_option_print(struct cmd *self, char *buf, size_t len) | 
|  | { | 
|  | struct cmd_set_option_data	*data = self->data; | 
|  | size_t				 off = 0; | 
|  |  | 
|  | off += xsnprintf(buf, len, "%s", self->entry->name); | 
|  | if (data == NULL) | 
|  | return; | 
|  | if (off < len && data->option != NULL) | 
|  | off += xsnprintf(buf + off, len - off, " %s", data->option); | 
|  | if (off < len && data->value != NULL) | 
|  | off += xsnprintf(buf + off, len - off, " %s", data->value); | 
|  | } |