tmux/cmd-set-option.c
2007-11-23 12:48:20 +00:00

245 lines
5.8 KiB
C

/* $Id: cmd-set-option.c,v 1.14 2007-11-23 12:48:20 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(void **, int, char **, char **);
void cmd_set_option_exec(void *, struct cmd_ctx *);
void cmd_set_option_send(void *, struct buffer *);
void cmd_set_option_recv(void **, struct buffer *);
void cmd_set_option_free(void *);
struct cmd_set_option_data {
char *option;
char *value;
};
const struct cmd_entry cmd_set_option_entry = {
"set-option", "set", "option value",
CMD_NOCLIENT|CMD_NOSESSION,
cmd_set_option_parse,
cmd_set_option_exec,
cmd_set_option_send,
cmd_set_option_recv,
cmd_set_option_free
};
int
cmd_set_option_parse(void **ptr, int argc, char **argv, char **cause)
{
struct cmd_set_option_data *data;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->option = NULL;
data->value = NULL;
while ((opt = getopt(argc, argv, "")) != EOF) {
switch (opt) {
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:
usage(cause, "%s %s",
cmd_set_option_entry.name, cmd_set_option_entry.usage);
cmd_set_option_free(data);
return (-1);
}
void
cmd_set_option_exec(void *ptr, unused struct cmd_ctx *ctx)
{
struct cmd_set_option_data *data = ptr;
struct client *c;
const char *errstr;
u_int i;
int number, bool, key;
if (data == NULL)
return;
if (*data->option == '\0') {
ctx->error(ctx, "invalid option");
return;
}
number = -1;
if (data->value != NULL) {
number = strtonum(data->value, 0, INT_MAX, &errstr);
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 = 1;
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;
}
prefix_key = key;
} else if (strcmp(data->option, "status") == 0) {
if (bool == -1) {
ctx->error(ctx, "bad value: %s", data->value);
return;
}
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;
}
status_colour &= 0x0f;
status_colour |= number << 4;
if (status_lines > 0) {
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;
}
status_colour &= 0xf0;
status_colour |= number;
if (status_lines > 0) {
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)
bell_action = BELL_ANY;
else if (strcmp(data->value, "none") == 0)
bell_action = BELL_NONE;
else if (strcmp(data->value, "current") == 0)
bell_action = BELL_CURRENT;
else {
ctx->error(ctx, "unknown bell-action: %s", data->value);
return;
}
} else if (strcmp(data->option, "default-command") == 0) {
if (data->value == NULL) {
ctx->error(ctx, "invalid value");
return;
}
xfree(default_command);
default_command = xstrdup(data->value);
} else if (strcmp(data->option, "history-limit") == 0) {
if (data->value == NULL) {
ctx->error(ctx, "invalid value");
return;
}
if (number > SHRT_MAX) {
ctx->error(ctx, "history-limit too big: %u", number);
return;
}
history_limit = 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(void *ptr, struct buffer *b)
{
struct cmd_set_option_data *data = ptr;
cmd_send_string(b, data->option);
cmd_send_string(b, data->value);
}
void
cmd_set_option_recv(void **ptr, struct buffer *b)
{
struct cmd_set_option_data *data;
*ptr = data = xmalloc(sizeof *data);
data->option = cmd_recv_string(b);
data->value = cmd_recv_string(b);
}
void
cmd_set_option_free(void *ptr)
{
struct cmd_set_option_data *data = ptr;
if (data->option != NULL)
xfree(data->option);
if (data->value != NULL)
xfree(data->value);
xfree(data);
}