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-rw-r--r--helix-term/src/keymap.rs27
1 files changed, 24 insertions, 3 deletions
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index d7040b88..b2b865e4 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -85,6 +85,10 @@ macro_rules! keymap {
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,)+ }
) => {
@@ -180,6 +184,7 @@ impl KeyTrieNode {
cmd.doc()
}
KeyTrie::Node(n) => n.name(),
+ KeyTrie::Sequence(_) => "[Multiple commands]",
};
match body.iter().position(|(d, _)| d == &desc) {
Some(pos) => {
@@ -240,6 +245,7 @@ impl DerefMut for KeyTrieNode {
#[serde(untagged)]
pub enum KeyTrie {
Leaf(Command),
+ Sequence(Vec<Command>),
Node(KeyTrieNode),
}
@@ -247,14 +253,14 @@ impl KeyTrie {
pub fn node(&self) -> Option<&KeyTrieNode> {
match *self {
KeyTrie::Node(ref node) => Some(node),
- KeyTrie::Leaf(_) => None,
+ KeyTrie::Leaf(_) | KeyTrie::Sequence(_) => None,
}
}
pub fn node_mut(&mut self) -> Option<&mut KeyTrieNode> {
match *self {
KeyTrie::Node(ref mut node) => Some(node),
- KeyTrie::Leaf(_) => None,
+ KeyTrie::Leaf(_) | KeyTrie::Sequence(_) => None,
}
}
@@ -271,7 +277,7 @@ impl KeyTrie {
trie = match trie {
KeyTrie::Node(map) => map.get(key),
// leaf encountered while keys left to process
- KeyTrie::Leaf(_) => None,
+ KeyTrie::Leaf(_) | KeyTrie::Sequence(_) => None,
}?
}
Some(trie)
@@ -283,6 +289,8 @@ pub enum KeymapResultKind {
/// Needs more keys to execute a command. Contains valid keys for next keystroke.
Pending(KeyTrieNode),
Matched(Command),
+ /// Matched a sequence of commands to execute.
+ MatchedSequence(Vec<Command>),
/// Key was not found in the root keymap
NotFound,
/// Key is invalid in combination with previous keys. Contains keys leading upto
@@ -365,6 +373,12 @@ impl Keymap {
Some(&KeyTrie::Leaf(cmd)) => {
return KeymapResult::new(KeymapResultKind::Matched(cmd), self.sticky())
}
+ Some(&KeyTrie::Sequence(ref cmds)) => {
+ return KeymapResult::new(
+ KeymapResultKind::MatchedSequence(cmds.clone()),
+ self.sticky(),
+ )
+ }
None => return KeymapResult::new(KeymapResultKind::NotFound, self.sticky()),
Some(t) => t,
};
@@ -382,6 +396,13 @@ impl Keymap {
self.state.clear();
return KeymapResult::new(KeymapResultKind::Matched(cmd), self.sticky());
}
+ Some(&KeyTrie::Sequence(ref cmds)) => {
+ self.state.clear();
+ KeymapResult::new(
+ KeymapResultKind::MatchedSequence(cmds.clone()),
+ self.sticky(),
+ )
+ }
None => KeymapResult::new(
KeymapResultKind::Cancelled(self.state.drain(..).collect()),
self.sticky(),