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/* $OpenBSD: cmd-set-option.c,v 1.102 2016/11/04 18:56:25 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Set an option.
*/
static enum cmd_retval cmd_set_option_exec(struct cmd *, struct cmdq_item *);
static enum cmd_retval cmd_set_option_user(struct cmd *, struct cmdq_item *,
const char *, const char *);
static int cmd_set_option_unset(struct cmd *, struct cmdq_item *,
const struct options_table_entry *, struct options *,
const char *);
static int cmd_set_option_set(struct cmd *, struct cmdq_item *,
const struct options_table_entry *, struct options *,
const char *);
static struct options_entry *cmd_set_option_string(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_number(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_key(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_colour(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_attributes(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_flag(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_choice(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
static struct options_entry *cmd_set_option_style(struct cmd *,
struct cmdq_item *, const struct options_table_entry *,
struct options *, const char *);
const struct cmd_entry cmd_set_option_entry = {
.name = "set-option",
.alias = "set",
.args = { "agoqst:uw", 1, 2 },
.usage = "[-agosquw] [-t target-window] option [value]",
.tflag = CMD_WINDOW_CANFAIL,
.flags = CMD_AFTERHOOK,
.exec = cmd_set_option_exec
};
const struct cmd_entry cmd_set_window_option_entry = {
.name = "set-window-option",
.alias = "setw",
.args = { "agoqt:u", 1, 2 },
.usage = "[-agoqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
.tflag = CMD_WINDOW_CANFAIL,
.flags = CMD_AFTERHOOK,
.exec = cmd_set_option_exec
};
static enum cmd_retval
cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct session *s = item->state.tflag.s;
struct winlink *wl = item->state.tflag.wl;
struct window *w;
struct client *c;
const struct options_table_entry *oe;
struct options *oo;
const char *optstr, *valstr, *target;
/* Get the option name and value. */
optstr = args->argv[0];
if (*optstr == '\0') {
cmdq_error(item, "invalid option");
return (CMD_RETURN_ERROR);
}
if (args->argc < 2)
valstr = NULL;
else
valstr = args->argv[1];
/* Is this a user option? */
if (*optstr == '@')
return (cmd_set_option_user(self, item, optstr, valstr));
/* Find the option entry, try each table. */
oe = NULL;
if (options_table_find(optstr, &oe) != 0) {
if (!args_has(args, 'q')) {
cmdq_error(item, "ambiguous option: %s", optstr);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
if (oe == NULL) {
if (!args_has(args, 'q')) {
cmdq_error(item, "unknown option: %s", optstr);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
/* Work out the tree from the scope of the option. */
if (oe->scope == OPTIONS_TABLE_SERVER)
oo = global_options;
else if (oe->scope == OPTIONS_TABLE_WINDOW) {
if (args_has(self->args, 'g'))
oo = global_w_options;
else if (wl == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such window: %s",
target);
} else
cmdq_error(item, "no current window");
return (CMD_RETURN_ERROR);
} else
oo = wl->window->options;
} else if (oe->scope == OPTIONS_TABLE_SESSION) {
if (args_has(self->args, 'g'))
oo = global_s_options;
else if (s == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such session: %s",
target);
} else
cmdq_error(item, "no current session");
return (CMD_RETURN_ERROR);
} else
oo = s->options;
} else {
cmdq_error(item, "unknown table");
return (CMD_RETURN_ERROR);
}
/* Unset or set the option. */
if (args_has(args, 'u')) {
if (cmd_set_option_unset(self, item, oe, oo, valstr) != 0)
return (CMD_RETURN_ERROR);
} else {
if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
if (!args_has(args, 'q')) {
cmdq_error(item, "already set: %s", optstr);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
if (cmd_set_option_set(self, item, oe, oo, valstr) != 0)
return (CMD_RETURN_ERROR);
}
/* Start or stop timers if necessary. */
if (strcmp(oe->name, "automatic-rename") == 0) {
RB_FOREACH(w, windows, &windows) {
if (w->active == NULL)
continue;
if (options_get_number(w->options, "automatic-rename"))
w->active->flags |= PANE_CHANGED;
}
}
if (strcmp(oe->name, "key-table") == 0) {
TAILQ_FOREACH(c, &clients, entry)
server_client_set_key_table(c, NULL);
}
if (strcmp(oe->name, "status") == 0 ||
strcmp(oe->name, "status-interval") == 0)
status_timer_start_all();
if (strcmp(oe->name, "monitor-silence") == 0)
alerts_reset_all();
if (strcmp(oe->name, "window-style") == 0 ||
strcmp(oe->name, "window-active-style") == 0) {
RB_FOREACH(w, windows, &windows)
w->flags |= WINDOW_STYLECHANGED;
}
/* When the pane-border-status option has been changed, resize panes. */
if (strcmp(oe->name, "pane-border-status") == 0) {
RB_FOREACH(w, windows, &windows)
layout_fix_panes(w, w->sx, w->sy);
}
/* Update sizes and redraw. May not need it but meh. */
recalculate_sizes();
TAILQ_FOREACH(c, &clients, entry) {
if (c->session != NULL)
server_redraw_client(c);
}
return (CMD_RETURN_NORMAL);
}
/* Set user option. */
static enum cmd_retval
cmd_set_option_user(struct cmd *self, struct cmdq_item *item,
const char *optstr, const char *valstr)
{
struct args *args = self->args;
struct session *s = item->state.tflag.s;
struct winlink *wl = item->state.tflag.wl;
struct options *oo;
struct options_entry *o;
const char *target;
if (args_has(args, 's'))
oo = global_options;
else if (args_has(self->args, 'w') ||
self->entry == &cmd_set_window_option_entry) {
if (args_has(self->args, 'g'))
oo = global_w_options;
else if (wl == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such window: %s",
target);
} else
cmdq_error(item, "no current window");
return (CMD_RETURN_ERROR);
} else
oo = wl->window->options;
} else {
if (args_has(self->args, 'g'))
oo = global_s_options;
else if (s == NULL) {
target = args_get(args, 't');
if (target != NULL) {
cmdq_error(item, "no such session: %s",
target);
} else
cmdq_error(item, "no current session");
return (CMD_RETURN_ERROR);
} else
oo = s->options;
}
if (args_has(args, 'u')) {
if (options_find1(oo, optstr) == NULL) {
if (!args_has(args, 'q')) {
cmdq_error(item, "unknown option: %s", optstr);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
if (valstr != NULL) {
cmdq_error(item, "value passed to unset option: %s",
optstr);
return (CMD_RETURN_ERROR);
}
options_remove(oo, optstr);
} else {
o = options_find1(oo, optstr);
if (args_has(args, 'o') && o != NULL) {
if (!args_has(args, 'q')) {
cmdq_error(item, "already set: %s", optstr);
return (CMD_RETURN_ERROR);
}
return (CMD_RETURN_NORMAL);
}
if (valstr == NULL) {
cmdq_error(item, "empty value");
return (CMD_RETURN_ERROR);
}
if (o != NULL && args_has(args, 'a'))
options_set_string(oo, optstr, "%s%s", o->str, valstr);
else
options_set_string(oo, optstr, "%s", valstr);
}
return (CMD_RETURN_NORMAL);
}
/* Unset an option. */
static int
cmd_set_option_unset(struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
struct args *args = self->args;
if (value != NULL) {
cmdq_error(item, "value passed to unset option: %s", oe->name);
return (-1);
}
if (args_has(args, 'g') || oo == global_options) {
switch (oe->type) {
case OPTIONS_TABLE_STRING:
options_set_string(oo, oe->name, "%s", oe->default_str);
break;
case OPTIONS_TABLE_STYLE:
options_set_style(oo, oe->name, oe->default_str, 0);
break;
default:
options_set_number(oo, oe->name, oe->default_num);
break;
}
} else
options_remove(oo, oe->name);
return (0);
}
/* Set an option. */
static int
cmd_set_option_set(struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
struct options_entry *o;
switch (oe->type) {
case OPTIONS_TABLE_FLAG:
case OPTIONS_TABLE_CHOICE:
break;
default:
if (value == NULL) {
cmdq_error(item, "empty value");
return (-1);
}
}
o = NULL;
switch (oe->type) {
case OPTIONS_TABLE_STRING:
o = cmd_set_option_string(self, item, oe, oo, value);
break;
case OPTIONS_TABLE_NUMBER:
o = cmd_set_option_number(self, item, oe, oo, value);
break;
case OPTIONS_TABLE_KEY:
o = cmd_set_option_key(self, item, oe, oo, value);
break;
case OPTIONS_TABLE_COLOUR:
o = cmd_set_option_colour(self, item, oe, oo, value);
if (o != NULL)
style_update_new(oo, o->name, oe->style);
break;
case OPTIONS_TABLE_ATTRIBUTES:
o = cmd_set_option_attributes(self, item, oe, oo, value);
if (o != NULL)
style_update_new(oo, o->name, oe->style);
break;
case OPTIONS_TABLE_FLAG:
o = cmd_set_option_flag(self, item, oe, oo, value);
break;
case OPTIONS_TABLE_CHOICE:
o = cmd_set_option_choice(self, item, oe, oo, value);
break;
case OPTIONS_TABLE_STYLE:
o = cmd_set_option_style(self, item, oe, oo, value);
break;
}
if (o == NULL)
return (-1);
return (0);
}
/* Set a string option. */
static struct options_entry *
cmd_set_option_string(struct cmd *self, __unused struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
struct args *args = self->args;
struct options_entry *o;
char *oldval, *newval;
if (args_has(args, 'a')) {
oldval = options_get_string(oo, oe->name);
xasprintf(&newval, "%s%s", oldval, value);
} else
newval = xstrdup(value);
o = options_set_string(oo, oe->name, "%s", newval);
free(newval);
return (o);
}
/* Set a number option. */
static struct options_entry *
cmd_set_option_number(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
long long ll;
const char *errstr;
ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
if (errstr != NULL) {
cmdq_error(item, "value is %s: %s", errstr, value);
return (NULL);
}
return (options_set_number(oo, oe->name, ll));
}
/* Set a key option. */
static struct options_entry *
cmd_set_option_key(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
key_code key;
key = key_string_lookup_string(value);
if (key == KEYC_UNKNOWN) {
cmdq_error(item, "bad key: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, key));
}
/* Set a colour option. */
static struct options_entry *
cmd_set_option_colour(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
int colour;
if ((colour = colour_fromstring(value)) == -1) {
cmdq_error(item, "bad colour: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, colour));
}
/* Set an attributes option. */
static struct options_entry *
cmd_set_option_attributes(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
int attr;
if ((attr = attributes_fromstring(value)) == -1) {
cmdq_error(item, "bad attributes: %s", value);
return (NULL);
}
return (options_set_number(oo, oe->name, attr));
}
/* Set a flag option. */
static struct options_entry *
cmd_set_option_flag(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
int flag;
if (value == NULL || *value == '\0')
flag = !options_get_number(oo, oe->name);
else {
if ((value[0] == '1' && value[1] == '\0') ||
strcasecmp(value, "on") == 0 ||
strcasecmp(value, "yes") == 0)
flag = 1;
else if ((value[0] == '0' && value[1] == '\0') ||
strcasecmp(value, "off") == 0 ||
strcasecmp(value, "no") == 0)
flag = 0;
else {
cmdq_error(item, "bad value: %s", value);
return (NULL);
}
}
return (options_set_number(oo, oe->name, flag));
}
/* Set a choice option. */
static struct options_entry *
cmd_set_option_choice(__unused struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
const char **choicep;
int n, choice = -1;
if (value == NULL) {
choice = options_get_number(oo, oe->name);
if (choice < 2)
choice = !choice;
} else {
n = 0;
for (choicep = oe->choices; *choicep != NULL; choicep++) {
n++;
if (strncmp(*choicep, value, strlen(value)) != 0)
continue;
if (choice != -1) {
cmdq_error(item, "ambiguous value: %s", value);
return (NULL);
}
choice = n - 1;
}
if (choice == -1) {
cmdq_error(item, "unknown value: %s", value);
return (NULL);
}
}
return (options_set_number(oo, oe->name, choice));
}
/* Set a style option. */
static struct options_entry *
cmd_set_option_style(struct cmd *self, struct cmdq_item *item,
const struct options_table_entry *oe, struct options *oo,
const char *value)
{
struct args *args = self->args;
struct options_entry *o;
int append;
append = args_has(args, 'a');
if ((o = options_set_style(oo, oe->name, value, append)) == NULL) {
cmdq_error(item, "bad style: %s", value);
return (NULL);
}
style_update_old(oo, oe->name, &o->style);
return (o);
}
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