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 FilePicker { 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 { self.picker .selection() @@ -656,51 +705,35 @@ impl Picker { /// 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 {