Add :toggle-option command (#4085)

This command toggles the value of boolean options
pull/5536/head^2
A-Walrus 2 years ago committed by GitHub
parent 87518db1d1
commit 8b09b00942
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@ -61,6 +61,7 @@
| `:goto`, `:g` | Goto line number. |
| `:set-language`, `:lang` | Set the language of current buffer. |
| `:set-option`, `:set` | Set a config option at runtime.<br>For example to disable smart case search, use `:set search.smart-case false`. |
| `:toggle-option`, `:toggle` | Toggle a boolean config option at runtime.<br>For example to toggle smart case search, use `:toggle search.smart-case`. |
| `:get-option`, `:get` | Get the current value of a config option. |
| `:sort` | Sort ranges in selection. |
| `:rsort` | Sort ranges in selection in reverse order. |

@ -7,6 +7,7 @@ use super::*;
use helix_core::encoding;
use helix_view::editor::{Action, CloseError, ConfigEvent};
use serde_json::Value;
use ui::completers::{self, Completer};
#[derive(Clone)]
@ -1646,6 +1647,46 @@ fn set_option(
Ok(())
}
/// Toggle boolean config option at runtime. Access nested values by dot
/// syntax, for example to toggle smart case search, use `:toggle search.smart-
/// case`.
fn toggle_option(
cx: &mut compositor::Context,
args: &[Cow<str>],
event: PromptEvent,
) -> anyhow::Result<()> {
if event != PromptEvent::Validate {
return Ok(());
}
if args.len() != 1 {
anyhow::bail!("Bad arguments. Usage: `:toggle key`");
}
let key = &args[0].to_lowercase();
let key_error = || anyhow::anyhow!("Unknown key `{}`", key);
let mut config = serde_json::json!(&cx.editor.config().deref());
let pointer = format!("/{}", key.replace('.', "/"));
let value = config.pointer_mut(&pointer).ok_or_else(key_error)?;
if let Value::Bool(b) = *value {
*value = Value::Bool(!b);
} else {
anyhow::bail!("Key `{}` is not toggle-able", key)
}
// This unwrap should never fail because we only replace one boolean value
// with another, maintaining a valid json config
let config = serde_json::from_value(config).unwrap();
cx.editor
.config_events
.0
.send(ConfigEvent::Update(config))?;
Ok(())
}
/// Change the language of the current buffer at runtime.
fn language(
cx: &mut compositor::Context,
@ -2384,6 +2425,13 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
fun: set_option,
completer: Some(completers::setting),
},
TypableCommand {
name: "toggle-option",
aliases: &["toggle"],
doc: "Toggle a boolean config option at runtime.\nFor example to toggle smart case search, use `:toggle search.smart-case`.",
fun: toggle_option,
completer: Some(completers::setting),
},
TypableCommand {
name: "get-option",
aliases: &["get"],

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