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Add set-hook -B install a subscription like in control mode.

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Subscriptions are formats which are checked once a second and if changed
invoke a hook. show-hooks -B lists.
This commit is contained in:
nicm
2026-07-05 08:24:00 +00:00
parent 7a8f8f5a74
commit de024e04d7
9 changed files with 607 additions and 117 deletions
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101
cmd-set-option.c
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@@ -31,6 +31,8 @@ static enum args_parse_type cmd_set_option_args_parse(struct args *,
u_int, char **);
static enum cmd_retval cmd_set_option_exec(struct cmd *,
struct cmdq_item *);
static enum cmd_retval cmd_set_hook_monitor_exec(struct cmdq_item *,
struct args *, int);
const struct cmd_entry cmd_set_option_entry = {
.name = "set-option",
@@ -62,8 +64,9 @@ const struct cmd_entry cmd_set_hook_entry = {
.name = "set-hook",
.alias = NULL,
.args = { "agpRt:uw", 1, 2, cmd_set_option_args_parse },
.usage = "[-agpRuw] " CMD_TARGET_PANE_USAGE " hook [command]",
.args = { "agpRt:uB:w", 0, 2, cmd_set_option_args_parse },
.usage = "[-agpRuw] [-B name:what:format] " CMD_TARGET_PANE_USAGE " "
"[hook] [command]",
.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
@@ -72,14 +75,100 @@ const struct cmd_entry cmd_set_hook_entry = {
};
static enum args_parse_type
cmd_set_option_args_parse(__unused struct args *args, u_int idx,
cmd_set_option_args_parse(struct args *args, u_int idx,
__unused char **cause)
{
if (args_has(args, 'B'))
return (ARGS_PARSE_COMMANDS_OR_STRING);
if (idx == 1)
return (ARGS_PARSE_COMMANDS_OR_STRING);
return (ARGS_PARSE_STRING);
}
static enum cmd_retval
cmd_set_hook_monitor_exec(struct cmdq_item *item, struct args *args, int window)
{
struct cmd_find_state *target = cmdq_get_target(item), fs;
struct options *oo;
struct options_entry *o;
char *cause = NULL, *name = NULL, *format = NULL;
char *expanded = NULL, *newvalue = NULL;
const char *value, *old;
enum monitor_type type;
int id, scope;
if (args_count(args) > 1) {
cmdq_error(item, "too many arguments");
return (CMD_RETURN_ERROR);
}
value = args_get(args, 'B');
if (args_has(args, 'u')) {
if (monitor_parse(value, &name, &type, &id, &format) != 0)
name = xstrdup(value);
free(format);
format = NULL;
} else {
if (monitor_parse(value, &name, &type, &id, &format) != 0) {
cmdq_error(item, "invalid subscription: %s", value);
return (CMD_RETURN_ERROR);
}
}
if (*name != '@') {
cmdq_error(item, "monitor hook name must start with @");
goto fail;
}
scope = options_scope_from_name(args, window, name, target, &oo,
&cause);
if (scope == OPTIONS_TABLE_NONE) {
cmdq_error(item, "%s", cause);
free(cause);
goto fail;
}
cmd_find_copy_state(&fs, target);
if (args_has(args, 'u')) {
notify_monitor_remove(oo, name);
goto out;
}
if (args_count(args) != 0) {
value = args_string(args, 0);
if (args_has(args, 'F')) {
expanded = format_single_from_target(item, value);
value = expanded;
}
o = options_get_only(oo, name);
if (!args_has(args, 'o') || o == NULL) {
if (args_has(args, 'a') && o != NULL) {
old = options_get_string(oo, name);
xasprintf(&newvalue, "%s%s", old, value);
value = newvalue;
}
options_set_string(oo, name, 0, "%s", value);
options_push_changes(name);
}
}
notify_monitor_add(item, oo, name, type, id, format, &fs, target->s);
out:
free(newvalue);
free(expanded);
free(name);
free(format);
return (CMD_RETURN_NORMAL);
fail:
free(newvalue);
free(expanded);
free(name);
free(format);
return (CMD_RETURN_ERROR);
}
static enum cmd_retval
cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
{
@@ -96,6 +185,12 @@ cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
int scope;
window = (cmd_get_entry(self) == &cmd_set_window_option_entry);
if (cmd_get_entry(self) == &cmd_set_hook_entry && args_has(args, 'B'))
return (cmd_set_hook_monitor_exec(item, args, window));
if (args_count(args) == 0) {
cmdq_error(item, "missing argument");
return (CMD_RETURN_ERROR);
}
/* Expand argument. */
argument = format_single_from_target(item, args_string(args, 0));