mirror of https://github.com/helix-editor/helix
61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
/// Macro for defining the root of a `Keymap` object. Example:
|
|
///
|
|
/// ```
|
|
/// # use helix_core::hashmap;
|
|
/// # use helix_term::keymap;
|
|
/// # use helix_term::keymap::Keymap;
|
|
/// let normal_mode = keymap!({ "Normal mode"
|
|
/// "i" => insert_mode,
|
|
/// "g" => { "Goto"
|
|
/// "g" => goto_file_start,
|
|
/// "e" => goto_file_end,
|
|
/// },
|
|
/// "j" | "down" => move_line_down,
|
|
/// });
|
|
/// let keymap = Keymap::new(normal_mode);
|
|
/// ```
|
|
#[macro_export]
|
|
macro_rules! keymap {
|
|
(@trie $cmd:ident) => {
|
|
$crate::keymap::KeyTrie::Leaf($crate::commands::MappableCommand::$cmd)
|
|
};
|
|
|
|
(@trie
|
|
{ $label:literal $(sticky=$sticky:literal)? $($($key:literal)|+ => $value:tt,)+ }
|
|
) => {
|
|
keymap!({ $label $(sticky=$sticky)? $($($key)|+ => $value,)+ })
|
|
};
|
|
|
|
(@trie [$($cmd:ident),* $(,)?]) => {
|
|
$crate::keymap::KeyTrie::Sequence(vec![$($crate::commands::Command::$cmd),*])
|
|
};
|
|
|
|
(
|
|
{ $label:literal $(sticky=$sticky:literal)? $($($key:literal)|+ => $value:tt,)+ }
|
|
) => {
|
|
// modified from the hashmap! macro
|
|
{
|
|
let _cap = hashmap!(@count $($($key),+),*);
|
|
let mut _map = ::std::collections::HashMap::with_capacity(_cap);
|
|
let mut _order = ::std::vec::Vec::with_capacity(_cap);
|
|
$(
|
|
$(
|
|
let _key = $key.parse::<$crate::input::KeyEvent>().unwrap();
|
|
let _duplicate = _map.insert(
|
|
_key,
|
|
keymap!(@trie $value)
|
|
);
|
|
assert!(_duplicate.is_none(), "Duplicate key found: {:?}", _duplicate.unwrap());
|
|
_order.push(_key);
|
|
)+
|
|
)*
|
|
let mut _node = $crate::keymap::KeyTrieNode::new($label, _map, _order);
|
|
$( _node.is_sticky = $sticky; )?
|
|
$crate::keymap::KeyTrie::Node(_node)
|
|
}
|
|
};
|
|
}
|
|
|
|
pub use crate::{alt, ctrl, key, shift};
|
|
pub use keymap;
|