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-rw-r--r--helix-term/src/ui/picker.rs79
1 files changed, 56 insertions, 23 deletions
diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs
index b7f593a8..b6d1fbb8 100644
--- a/helix-term/src/ui/picker.rs
+++ b/helix-term/src/ui/picker.rs
@@ -312,6 +312,55 @@ impl<T: Item + 'static> FilePicker<T> {
self.matches.sort_unstable();
}
+ /// Move the cursor by a number of lines, either down (`Forward`) or up (`Backward`)
+ pub fn move_by(&mut self, amount: usize, direction: Direction) {
+ let len = self.matches.len();
+
+ if len == 0 {
+ // No results, can't move.
+ return;
+ }
+
+ match direction {
+ Direction::Forward => {
+ self.cursor = self.cursor.saturating_add(amount) % len;
+ }
+ Direction::Backward => {
+ self.cursor = self.cursor.saturating_add(len).saturating_sub(amount) % len;
+ }
+ }
+ }
+
+ /// Move the cursor down by exactly one page. After the last page comes the first page.
+ pub fn page_up(&mut self) {
+ self.move_by(self.completion_height as usize, Direction::Backward);
+ }
+
+ /// Move the cursor up by exactly one page. After the first page comes the last page.
+ pub fn page_down(&mut self) {
+ self.move_by(self.completion_height as usize, Direction::Forward);
+ }
+
+ /// Move the cursor to the first entry
+ pub fn to_start(&mut self) {
+ self.cursor = 0;
+ }
+
+ /// Move the cursor to the last entry
+ pub fn to_end(&mut self) {
+ self.cursor = self.matches.len().saturating_sub(1);
+ }
+
+ pub fn selection(&self) -> Option<&T> {
+ self.matches
+ .get(self.cursor)
+ .map(|pmatch| &self.options[pmatch.index])
+ }
+
+ pub fn toggle_preview(&mut self) {
+ self.show_preview = !self.show_preview;
+ }
+
fn current_file(&self, editor: &Editor) -> Option<FileLocation> {
self.picker
.selection()
@@ -656,51 +705,35 @@ impl<T: Item> Picker<T> {
/// Move the cursor by a number of lines, either down (`Forward`) or up (`Backward`)
pub fn move_by(&mut self, amount: usize, direction: Direction) {
- let len = self.matches.len();
-
- if len == 0 {
- // No results, can't move.
- return;
- }
-
- match direction {
- Direction::Forward => {
- self.cursor = self.cursor.saturating_add(amount) % len;
- }
- Direction::Backward => {
- self.cursor = self.cursor.saturating_add(len).saturating_sub(amount) % len;
- }
- }
+ unimplemented!()
}
/// Move the cursor down by exactly one page. After the last page comes the first page.
pub fn page_up(&mut self) {
- self.move_by(self.completion_height as usize, Direction::Backward);
+ unimplemented!()
}
/// Move the cursor up by exactly one page. After the first page comes the last page.
pub fn page_down(&mut self) {
- self.move_by(self.completion_height as usize, Direction::Forward);
+ unimplemented!()
}
/// Move the cursor to the first entry
pub fn to_start(&mut self) {
- self.cursor = 0;
+ unimplemented!()
}
/// Move the cursor to the last entry
pub fn to_end(&mut self) {
- self.cursor = self.matches.len().saturating_sub(1);
+ unimplemented!()
}
pub fn selection(&self) -> Option<&T> {
- self.matches
- .get(self.cursor)
- .map(|pmatch| &self.options[pmatch.index])
+ unimplemented!()
}
pub fn toggle_preview(&mut self) {
- self.show_preview = !self.show_preview;
+ unimplemented!()
}
fn prompt_handle_event(&mut self, event: &Event, cx: &mut Context) -> EventResult {