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Move mode transition logic to handle_keymap_event() (#2634)

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Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>

Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
This commit is contained in:
Lucy 2022-08-30 22:44:06 -03:00 committed by GitHub
parent 78189dd9c1
commit 404db2ebee
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 42 additions and 36 deletions
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78
helix-term/src/ui/editor.rs
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@ -771,15 +771,55 @@ fn handle_keymap_event(
cxt: &mut commands::Context,
event: KeyEvent,
) -> Option<KeymapResult> {
let mut last_mode = mode;
let key_result = self.keymaps.get(mode, event);
cxt.editor.autoinfo = self.keymaps.sticky().map(|node| node.infobox());
// Track the currently open doc
let view = view!(cxt.editor);
let doc_id = view.doc;
let mut execute_command = |command: &commands::MappableCommand| {
command.execute(cxt);
let doc = cxt.editor.documents.get_mut(&doc_id).unwrap();
let current_mode = doc.mode();
match (last_mode, current_mode) {
(Mode::Normal, Mode::Insert) => {
// HAXX: if we just entered insert mode from normal, clear key buf
// and record the command that got us into this mode.
// how we entered insert mode is important, and we should track that so
// we can repeat the side effect.
self.last_insert.0 = command.clone();
self.last_insert.1.clear();
commands::signature_help_impl(cxt, commands::SignatureHelpInvoked::Automatic);
}
(Mode::Insert, Mode::Normal) => {
// if exiting insert mode, remove completion
self.completion = None;
// TODO: Use an on_mode_change hook to remove signature help
cxt.jobs.callback(async {
let call: job::Callback = Box::new(|_editor, compositor| {
compositor.remove(SignatureHelp::ID);
});
Ok(call)
});
}
_ => (),
}
last_mode = current_mode;
};
match &key_result {
KeymapResult::Matched(command) => command.execute(cxt),
KeymapResult::Matched(command) => {
execute_command(command);
}
KeymapResult::Pending(node) => cxt.editor.autoinfo = Some(node.infobox()),
KeymapResult::MatchedSequence(commands) => {
for command in commands {
command.execute(cxt);
execute_command(command);
}
}
KeymapResult::NotFound | KeymapResult::Cancelled(_) => return Some(key_result),
@ -1233,40 +1273,6 @@ fn handle_event(
doc.append_changes_to_history(view.id);
}
// mode transitions
match (mode, doc.mode()) {
(Mode::Normal, Mode::Insert) => {
// HAXX: if we just entered insert mode from normal, clear key buf
// and record the command that got us into this mode.
// how we entered insert mode is important, and we should track that so
// we can repeat the side effect.
self.last_insert.0 = match self.keymaps.get(mode, key) {
KeymapResult::Matched(command) => command,
// FIXME: insert mode can only be entered through single KeyCodes
_ => unimplemented!(),
};
self.last_insert.1.clear();
commands::signature_help_impl(
&mut cx,
commands::SignatureHelpInvoked::Automatic,
);
}
(Mode::Insert, Mode::Normal) => {
// if exiting insert mode, remove completion
self.completion = None;
// TODO: Use an on_mode_change hook to remove signature help
context.jobs.callback(async {
let call: job::Callback = Box::new(|_editor, compositor| {
compositor.remove(SignatureHelp::ID);
});
Ok(call)
});
}
_ => (),
}
EventResult::Consumed(callback)
}