tmux/cmd-set-option.c

335 lines
8.4 KiB
C

/* $Id: cmd-set-option.c,v 1.27 2008-06-15 08:01:54 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-window] 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, bool, 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;
bool = -1;
if (number == 1 || strcasecmp(data->value, "on") == 0 ||
strcasecmp(data->value, "yes") == 0)
bool = 1;
else if (number == 0 || strcasecmp(data->value, "off") == 0 ||
strcasecmp(data->value, "no") == 0)
bool = 0;
} else
bool = -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 (bool == -1) {
ctx->error(ctx, "bad value: %s", data->value);
return;
}
if (bool == -2)
bool = !options_get_number(oo, "status-lines");
options_set_number(oo, "status-lines", bool);
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 {
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);
}