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authorKevin Sjöberg2021-06-05 21:20:34 +0000
committerBlaž Hrastnik2021-06-06 12:48:19 +0000
commita4ff8cdd8a7f2fd39eb15ce6f591e4cea9868c39 (patch)
treed3aac00ea3aff9697f464e4d16f8c11aff517f60 /helix-term
parent145bc1970a49a7056b34d3a6f8278a6886acf373 (diff)
Allow moving backwards in completions
Diffstat (limited to 'helix-term')
-rw-r--r--helix-term/src/ui/prompt.rs26
1 files changed, 22 insertions, 4 deletions
diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 0a88aa90..95c42fbc 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -28,6 +28,11 @@ pub enum PromptEvent {
Abort,
}
+pub enum CompletionDirection {
+ Forward,
+ Backward,
+}
+
impl Prompt {
pub fn new(
prompt: String,
@@ -80,11 +85,20 @@ impl Prompt {
self.exit_selection();
}
- pub fn change_completion_selection(&mut self) {
+ pub fn change_completion_selection(&mut self, direction: CompletionDirection) {
if self.completion.is_empty() {
return;
}
- let index = self.selection.map_or(0, |i| i + 1) % self.completion.len();
+
+ let index = match direction {
+ CompletionDirection::Forward => {
+ self.selection.map_or(0, |i| i + 1) % self.completion.len()
+ }
+ CompletionDirection::Backward => {
+ (self.selection.unwrap_or(0) + self.completion.len() - 1) % self.completion.len()
+ }
+ };
+
self.selection = Some(index);
let (range, item) = &self.completion[index];
@@ -92,8 +106,8 @@ impl Prompt {
self.line.replace_range(range.clone(), item);
self.move_end();
- // TODO: recalculate completion when completion item is accepted, (Enter)
}
+
pub fn exit_selection(&mut self) {
self.selection = None;
}
@@ -263,7 +277,11 @@ impl Component for Prompt {
}
KeyEvent {
code: KeyCode::Tab, ..
- } => self.change_completion_selection(),
+ } => self.change_completion_selection(CompletionDirection::Forward),
+ KeyEvent {
+ code: KeyCode::BackTab,
+ ..
+ } => self.change_completion_selection(CompletionDirection::Backward),
KeyEvent {
code: KeyCode::Char('q'),
modifiers: KeyModifiers::CONTROL,