Tried alternate stratergy

This commit is contained in:
Mikayla Maki 2022-11-08 11:54:26 -08:00
parent 537d4762f6
commit 53f8744794
17 changed files with 166 additions and 147 deletions

View File

@ -452,7 +452,7 @@ impl ProjectDiagnosticsEditor {
} else {
groups = self.path_states.get(path_ix)?.diagnostic_groups.as_slice();
new_excerpt_ids_by_selection_id =
editor.change_selections(Some(Autoscroll::Fit), cx, |s| s.refresh());
editor.change_selections(Some(Autoscroll::fit()), cx, |s| s.refresh());
selections = editor.selections.all::<usize>(cx);
}

View File

@ -408,23 +408,42 @@ pub enum SelectMode {
All,
}
#[derive(PartialEq, Eq, Default)]
#[derive(PartialEq, Eq)]
pub enum Autoscroll {
Next,
Strategy(AutoscrollStrategy),
}
impl Autoscroll {
pub fn fit() -> Self {
Self::Strategy(AutoscrollStrategy::Fit)
}
pub fn newest() -> Self {
Self::Strategy(AutoscrollStrategy::Newest)
}
pub fn center() -> Self {
Self::Strategy(AutoscrollStrategy::Center)
}
}
#[derive(PartialEq, Eq, Default)]
pub enum AutoscrollStrategy {
Fit,
Newest,
#[default]
Center,
Top,
Bottom,
Next,
}
impl Autoscroll {
impl AutoscrollStrategy {
fn next(&self) -> Self {
match self {
Autoscroll::Center => Autoscroll::Top,
Autoscroll::Top => Autoscroll::Bottom,
_ => Autoscroll::Center,
AutoscrollStrategy::Center => AutoscrollStrategy::Top,
AutoscrollStrategy::Top => AutoscrollStrategy::Bottom,
_ => AutoscrollStrategy::Center,
}
}
}
@ -568,7 +587,7 @@ pub struct Editor {
hover_state: HoverState,
link_go_to_definition_state: LinkGoToDefinitionState,
visible_line_count: Option<f32>,
last_autoscroll: Option<(Vector2F, f32, f32, Autoscroll)>,
last_autoscroll: Option<(Vector2F, f32, f32, AutoscrollStrategy)>,
_subscriptions: Vec<Subscription>,
}
@ -1441,7 +1460,7 @@ impl Editor {
self.set_scroll_position(scroll_position, cx);
}
let (mut autoscroll, local) = if let Some(autoscroll) = self.autoscroll_request.take() {
let (autoscroll, local) = if let Some(autoscroll) = self.autoscroll_request.take() {
autoscroll
} else {
return false;
@ -1452,7 +1471,7 @@ impl Editor {
if let Some(highlighted_rows) = &self.highlighted_rows {
first_cursor_top = highlighted_rows.start as f32;
last_cursor_bottom = first_cursor_top + 1.;
} else if autoscroll == Autoscroll::Newest {
} else if autoscroll == Autoscroll::newest() {
let newest_selection = self.selections.newest::<Point>(cx);
first_cursor_top = newest_selection.head().to_display_point(&display_map).row() as f32;
last_cursor_bottom = first_cursor_top + 1.;
@ -1482,24 +1501,27 @@ impl Editor {
return false;
}
if matches!(autoscroll, Autoscroll::Next) {
let strategy = match autoscroll {
Autoscroll::Strategy(strategy) => strategy,
Autoscroll::Next => {
let last_autoscroll = &self.last_autoscroll;
autoscroll = if let Some(last_autoscroll) = last_autoscroll {
if let Some(last_autoscroll) = last_autoscroll {
if self.scroll_position == last_autoscroll.0
&& first_cursor_top == last_autoscroll.1
&& last_cursor_bottom == last_autoscroll.2
{
last_autoscroll.3.next()
} else {
Autoscroll::default()
AutoscrollStrategy::default()
}
} else {
Autoscroll::default()
AutoscrollStrategy::default()
}
}
};
match autoscroll {
Autoscroll::Fit | Autoscroll::Newest => {
match strategy {
AutoscrollStrategy::Fit | AutoscrollStrategy::Newest => {
let margin = margin.min(self.vertical_scroll_margin);
let target_top = (first_cursor_top - margin).max(0.0);
let target_bottom = last_cursor_bottom + margin;
@ -1514,18 +1536,15 @@ impl Editor {
self.set_scroll_position_internal(scroll_position, local, cx);
}
}
Autoscroll::Center => {
AutoscrollStrategy::Center => {
scroll_position.set_y((first_cursor_top - margin).max(0.0));
self.set_scroll_position_internal(scroll_position, local, cx);
}
Autoscroll::Next => {
unreachable!("This should be handled above")
}
Autoscroll::Top => {
AutoscrollStrategy::Top => {
scroll_position.set_y((first_cursor_top).max(0.0));
self.set_scroll_position_internal(scroll_position, local, cx);
}
Autoscroll::Bottom => {
AutoscrollStrategy::Bottom => {
scroll_position.set_y((last_cursor_bottom - visible_lines).max(0.0));
self.set_scroll_position_internal(scroll_position, local, cx);
}
@ -1535,7 +1554,7 @@ impl Editor {
self.scroll_position,
first_cursor_top,
last_cursor_bottom,
autoscroll,
strategy,
));
true
@ -1785,7 +1804,7 @@ impl Editor {
_ => {}
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.set_pending(pending_selection, pending_mode)
});
}
@ -1846,7 +1865,7 @@ impl Editor {
}
}
self.change_selections(auto_scroll.then(|| Autoscroll::Newest), cx, |s| {
self.change_selections(auto_scroll.then(|| Autoscroll::newest()), cx, |s| {
if !add {
s.clear_disjoint();
} else if click_count > 1 {
@ -2063,7 +2082,7 @@ impl Editor {
return;
}
if self.change_selections(Some(Autoscroll::Fit), cx, |s| s.try_cancel()) {
if self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel()) {
return;
}
}
@ -2229,7 +2248,7 @@ impl Editor {
}
drop(snapshot);
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(new_selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
this.trigger_completion_on_input(&text, cx);
});
}
@ -2309,7 +2328,7 @@ impl Editor {
})
.collect();
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(new_selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
});
}
@ -2339,7 +2358,7 @@ impl Editor {
self.transact(cx, |editor, cx| {
editor.edit_with_autoindent(edits, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut index = 0;
s.move_cursors_with(|map, _, _| {
let row = rows[index];
@ -2380,7 +2399,7 @@ impl Editor {
anchors
});
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchors(selection_anchors);
})
});
@ -3076,7 +3095,7 @@ impl Editor {
});
if let Some(tabstop) = tabstops.first() {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(tabstop.iter().cloned());
});
self.snippet_stack.push(SnippetState {
@ -3117,7 +3136,7 @@ impl Editor {
}
}
if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchor_ranges(current_ranges.iter().cloned())
});
// If snippet state is not at the last tabstop, push it back on the stack
@ -3182,14 +3201,14 @@ impl Editor {
}
}
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
this.insert("", cx);
});
}
pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
@ -3283,7 +3302,7 @@ impl Editor {
self.transact(cx, |this, cx| {
this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections))
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections))
});
}
@ -3306,7 +3325,7 @@ impl Editor {
self.transact(cx, |this, cx| {
this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
});
}
@ -3438,7 +3457,7 @@ impl Editor {
);
});
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
});
}
@ -3518,7 +3537,7 @@ impl Editor {
})
.collect();
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
});
@ -3560,7 +3579,7 @@ impl Editor {
buffer.edit(edits, None, cx);
});
this.request_autoscroll(Autoscroll::Fit, cx);
this.request_autoscroll(Autoscroll::fit(), cx);
});
}
@ -3670,7 +3689,7 @@ impl Editor {
}
});
this.fold_ranges(refold_ranges, cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
})
});
@ -3775,13 +3794,13 @@ impl Editor {
}
});
this.fold_ranges(refold_ranges, cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(new_selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
});
}
pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
let edits = this.change_selections(Some(Autoscroll::Fit), cx, |s| {
let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut edits: Vec<(Range<usize>, String)> = Default::default();
let line_mode = s.line_mode;
s.move_with(|display_map, selection| {
@ -3825,7 +3844,7 @@ impl Editor {
this.buffer
.update(cx, |buffer, cx| buffer.edit(edits, None, cx));
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
});
@ -3859,7 +3878,7 @@ impl Editor {
}
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
this.insert("", cx);
@ -3974,7 +3993,7 @@ impl Editor {
});
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
} else {
this.insert(&clipboard_text, cx);
}
@ -3989,7 +4008,7 @@ impl Editor {
s.select_anchors(selections.to_vec());
});
}
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
self.unmark_text(cx);
cx.emit(Event::Edited);
}
@ -4003,7 +4022,7 @@ impl Editor {
s.select_anchors(selections.to_vec());
});
}
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
self.unmark_text(cx);
cx.emit(Event::Edited);
}
@ -4015,7 +4034,7 @@ impl Editor {
}
pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
let cursor = if selection.is_empty() && !line_mode {
@ -4029,13 +4048,13 @@ impl Editor {
}
pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
})
}
pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
let cursor = if selection.is_empty() && !line_mode {
@ -4049,7 +4068,7 @@ impl Editor {
}
pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
})
}
@ -4087,7 +4106,7 @@ impl Editor {
return;
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
@ -4121,9 +4140,9 @@ impl Editor {
};
let autoscroll = if action.center_cursor {
Autoscroll::Center
Autoscroll::center()
} else {
Autoscroll::Fit
Autoscroll::fit()
};
self.change_selections(Some(autoscroll), cx, |s| {
@ -4166,7 +4185,7 @@ impl Editor {
}
pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, goal| movement::up(map, head, goal, false))
})
}
@ -4185,7 +4204,7 @@ impl Editor {
return;
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
@ -4219,9 +4238,9 @@ impl Editor {
};
let autoscroll = if action.center_cursor {
Autoscroll::Center
Autoscroll::center()
} else {
Autoscroll::Fit
Autoscroll::fit()
};
self.change_selections(Some(autoscroll), cx, |s| {
@ -4264,7 +4283,7 @@ impl Editor {
}
pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, goal| movement::down(map, head, goal, false))
});
}
@ -4274,7 +4293,7 @@ impl Editor {
_: &MoveToPreviousWordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::previous_word_start(map, head),
@ -4289,7 +4308,7 @@ impl Editor {
_: &MoveToPreviousSubwordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::previous_subword_start(map, head),
@ -4304,7 +4323,7 @@ impl Editor {
_: &SelectToPreviousWordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::previous_word_start(map, head),
@ -4319,7 +4338,7 @@ impl Editor {
_: &SelectToPreviousSubwordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::previous_subword_start(map, head),
@ -4336,7 +4355,7 @@ impl Editor {
) {
self.transact(cx, |this, cx| {
this.select_autoclose_pair(cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
@ -4356,7 +4375,7 @@ impl Editor {
) {
self.transact(cx, |this, cx| {
this.select_autoclose_pair(cx);
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
@ -4370,7 +4389,7 @@ impl Editor {
}
pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::next_word_end(map, head), SelectionGoal::None)
});
@ -4382,7 +4401,7 @@ impl Editor {
_: &MoveToNextSubwordEnd,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::next_subword_end(map, head), SelectionGoal::None)
});
@ -4390,7 +4409,7 @@ impl Editor {
}
pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(movement::next_word_end(map, head), SelectionGoal::None)
});
@ -4402,7 +4421,7 @@ impl Editor {
_: &SelectToNextSubwordEnd,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(movement::next_subword_end(map, head), SelectionGoal::None)
});
@ -4411,7 +4430,7 @@ impl Editor {
pub fn delete_to_next_word_end(&mut self, _: &DeleteToNextWordEnd, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
@ -4430,7 +4449,7 @@ impl Editor {
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
if selection.is_empty() {
let cursor = movement::next_subword_end(map, selection.head());
@ -4447,7 +4466,7 @@ impl Editor {
_: &MoveToBeginningOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::indented_line_beginning(map, head, true),
@ -4462,7 +4481,7 @@ impl Editor {
action: &SelectToBeginningOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
@ -4478,7 +4497,7 @@ impl Editor {
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::Fit), cx, |s| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|_, selection| {
selection.reversed = true;
});
@ -4495,7 +4514,7 @@ impl Editor {
}
pub fn move_to_end_of_line(&mut self, _: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::line_end(map, head, true), SelectionGoal::None)
});
@ -4507,7 +4526,7 @@ impl Editor {
action: &SelectToEndOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::line_end(map, head, action.stop_at_soft_wraps),
@ -4547,7 +4566,7 @@ impl Editor {
return;
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(vec![0..0]);
});
}
@ -4556,7 +4575,7 @@ impl Editor {
let mut selection = self.selections.last::<Point>(cx);
selection.set_head(Point::zero(), SelectionGoal::None);
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(vec![selection]);
});
}
@ -4568,7 +4587,7 @@ impl Editor {
}
let cursor = self.buffer.read(cx).read(cx).len();
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(vec![cursor..cursor])
});
}
@ -4617,14 +4636,14 @@ impl Editor {
let buffer = self.buffer.read(cx).snapshot(cx);
let mut selection = self.selections.first::<usize>(cx);
selection.set_head(buffer.len(), SelectionGoal::None);
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(vec![selection]);
});
}
pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
let end = self.buffer.read(cx).read(cx).len();
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(vec![0..end]);
});
}
@ -4639,7 +4658,7 @@ impl Editor {
selection.end = cmp::min(max_point, Point::new(rows.end, 0));
selection.reversed = false;
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
}
@ -4664,7 +4683,7 @@ impl Editor {
}
}
self.unfold_ranges(to_unfold, true, cx);
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(new_selection_ranges);
});
}
@ -4764,7 +4783,7 @@ impl Editor {
state.stack.pop();
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
if state.stack.len() > 1 {
@ -4813,7 +4832,7 @@ impl Editor {
if let Some(next_selected_range) = next_selected_range {
self.unfold_ranges([next_selected_range.clone()], false, cx);
self.change_selections(Some(Autoscroll::Newest), cx, |s| {
self.change_selections(Some(Autoscroll::newest()), cx, |s| {
if action.replace_newest {
s.delete(s.newest_anchor().id);
}
@ -4846,7 +4865,7 @@ impl Editor {
done: false,
};
self.unfold_ranges([selection.start..selection.end], false, cx);
self.change_selections(Some(Autoscroll::Newest), cx, |s| {
self.change_selections(Some(Autoscroll::newest()), cx, |s| {
s.select(selections);
});
self.select_next_state = Some(select_state);
@ -5079,7 +5098,7 @@ impl Editor {
}
drop(snapshot);
this.change_selections(Some(Autoscroll::Fit), cx, |s| s.select(selections));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
});
}
@ -5123,7 +5142,7 @@ impl Editor {
if selected_larger_node {
stack.push(old_selections);
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
}
@ -5137,7 +5156,7 @@ impl Editor {
) {
let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
if let Some(selections) = stack.pop() {
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections.to_vec());
});
}
@ -5168,7 +5187,7 @@ impl Editor {
}
}
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
}
@ -5180,7 +5199,7 @@ impl Editor {
self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
self.select_next_state = entry.select_next_state;
self.add_selections_state = entry.add_selections_state;
self.request_autoscroll(Autoscroll::Newest, cx);
self.request_autoscroll(Autoscroll::newest(), cx);
}
self.selection_history.mode = SelectionHistoryMode::Normal;
}
@ -5192,7 +5211,7 @@ impl Editor {
self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
self.select_next_state = entry.select_next_state;
self.add_selections_state = entry.add_selections_state;
self.request_autoscroll(Autoscroll::Newest, cx);
self.request_autoscroll(Autoscroll::newest(), cx);
}
self.selection_history.mode = SelectionHistoryMode::Normal;
}
@ -5214,7 +5233,7 @@ impl Editor {
if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
let (group_id, jump_to) = popover.activation_info();
if self.activate_diagnostics(group_id, cx) {
self.change_selections(Some(Autoscroll::Center), cx, |s| {
self.change_selections(Some(Autoscroll::center()), cx, |s| {
let mut new_selection = s.newest_anchor().clone();
new_selection.collapse_to(jump_to, SelectionGoal::None);
s.select_anchors(vec![new_selection.clone()]);
@ -5260,7 +5279,7 @@ impl Editor {
if let Some((primary_range, group_id)) = group {
if self.activate_diagnostics(group_id, cx) {
self.change_selections(Some(Autoscroll::Center), cx, |s| {
self.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select(vec![Selection {
id: selection.id,
start: primary_range.start,
@ -5335,7 +5354,7 @@ impl Editor {
.dedup();
if let Some(hunk) = hunks.next() {
this.change_selections(Some(Autoscroll::Center), cx, |s| {
this.change_selections(Some(Autoscroll::center()), cx, |s| {
let row = hunk.start_display_row();
let point = DisplayPoint::new(row, 0);
s.select_display_ranges([point..point]);
@ -5433,7 +5452,7 @@ impl Editor {
if editor_handle != target_editor_handle {
pane.update(cx, |pane, _| pane.disable_history());
}
target_editor.change_selections(Some(Autoscroll::Center), cx, |s| {
target_editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([range]);
});
@ -6055,7 +6074,7 @@ impl Editor {
let mut ranges = ranges.into_iter().peekable();
if ranges.peek().is_some() {
self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
cx.notify();
}
}
@ -6070,7 +6089,7 @@ impl Editor {
if ranges.peek().is_some() {
self.display_map
.update(cx, |map, cx| map.unfold(ranges, inclusive, cx));
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
cx.notify();
}
}
@ -6083,7 +6102,7 @@ impl Editor {
let blocks = self
.display_map
.update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
blocks
}
@ -6094,7 +6113,7 @@ impl Editor {
) {
self.display_map
.update(cx, |display_map, _| display_map.replace_blocks(blocks));
self.request_autoscroll(Autoscroll::Fit, cx);
self.request_autoscroll(Autoscroll::fit(), cx);
}
pub fn remove_blocks(&mut self, block_ids: HashSet<BlockId>, cx: &mut ViewContext<Self>) {
@ -6434,7 +6453,7 @@ impl Editor {
for (buffer, ranges) in new_selections_by_buffer.into_iter() {
let editor = workspace.open_project_item::<Self>(buffer, cx);
editor.update(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Newest), cx, |s| {
editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
s.select_ranges(ranges);
});
});
@ -6460,7 +6479,7 @@ impl Editor {
};
let nav_history = editor.nav_history.take();
editor.change_selections(Some(Autoscroll::Newest), cx, |s| {
editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
s.select_ranges([cursor..cursor]);
});
editor.nav_history = nav_history;

View File

@ -5011,7 +5011,7 @@ fn test_following(cx: &mut gpui::MutableAppContext) {
// Update the selections and scroll position
leader.update(cx, |leader, cx| {
leader.change_selections(None, cx, |s| s.select_ranges([0..0]));
leader.request_autoscroll(Autoscroll::Newest, cx);
leader.request_autoscroll(Autoscroll::newest(), cx);
leader.set_scroll_position(vec2f(1.5, 3.5), cx);
});
follower.update(cx, |follower, cx| {

View File

@ -204,7 +204,7 @@ impl FollowableItem for Editor {
if !selections.is_empty() {
self.set_selections_from_remote(selections, cx);
self.request_autoscroll_remotely(Autoscroll::Newest, cx);
self.request_autoscroll_remotely(Autoscroll::newest(), cx);
} else if let Some(anchor) = message.scroll_top_anchor {
self.set_scroll_top_anchor(
Anchor {
@ -294,7 +294,7 @@ impl Item for Editor {
let nav_history = self.nav_history.take();
self.scroll_position = data.scroll_position;
self.scroll_top_anchor = scroll_top_anchor;
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges([offset..offset])
});
self.nav_history = nav_history;
@ -466,7 +466,7 @@ impl Item for Editor {
cx.spawn(|this, mut cx| async move {
let transaction = reload_buffers.log_err().await;
this.update(&mut cx, |editor, cx| {
editor.request_autoscroll(Autoscroll::Fit, cx)
editor.request_autoscroll(Autoscroll::fit(), cx)
});
buffer.update(&mut cx, |buffer, _| {
if let Some(transaction) = transaction {
@ -619,7 +619,7 @@ impl SearchableItem for Editor {
cx: &mut ViewContext<Self>,
) {
self.unfold_ranges([matches[index].clone()], false, cx);
self.change_selections(Some(Autoscroll::Fit), cx, |s| {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges([matches[index].clone()])
});
}

View File

@ -811,7 +811,7 @@ mod tests {
let snapshot = editor.buffer().read(cx).snapshot(cx);
let anchor_range = snapshot.anchor_before(selection_range.start)
..snapshot.anchor_after(selection_range.end);
editor.change_selections(Some(crate::Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(crate::Autoscroll::fit()), cx, |s| {
s.set_pending_anchor_range(anchor_range, crate::SelectMode::Character)
});
});

View File

@ -169,7 +169,7 @@ impl<'a> EditorTestContext<'a> {
let (unmarked_text, selection_ranges) = marked_text_ranges(marked_text, true);
self.editor.update(self.cx, |editor, cx| {
editor.set_text(unmarked_text, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(selection_ranges)
})
});

View File

@ -83,7 +83,7 @@ impl GoToLine {
if let Some(rows) = active_editor.highlighted_rows() {
let snapshot = active_editor.snapshot(cx).display_snapshot;
let position = DisplayPoint::new(rows.start, 0).to_point(&snapshot);
active_editor.change_selections(Some(Autoscroll::Center), cx, |s| {
active_editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([position..position])
});
}
@ -127,7 +127,7 @@ impl GoToLine {
let display_point = point.to_display_point(&snapshot);
let row = display_point.row();
active_editor.highlight_rows(Some(row..row + 1));
active_editor.request_autoscroll(Autoscroll::Center, cx);
active_editor.request_autoscroll(Autoscroll::center(), cx);
});
cx.notify();
}

View File

@ -61,7 +61,7 @@ pub fn new_journal_entry(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
if let Some(editor) = item.downcast::<Editor>() {
editor.update(&mut cx, |editor, cx| {
let len = editor.buffer().read(cx).len(cx);
editor.change_selections(Some(Autoscroll::Center), cx, |s| {
editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([len..len])
});
if len > 0 {

View File

@ -122,7 +122,7 @@ impl OutlineView {
let display_rows = start.to_display_point(&snapshot).row()
..end.to_display_point(&snapshot).row() + 1;
active_editor.highlight_rows(Some(display_rows));
active_editor.request_autoscroll(Autoscroll::Center, cx);
active_editor.request_autoscroll(Autoscroll::center(), cx);
});
}
cx.notify();
@ -219,7 +219,7 @@ impl PickerDelegate for OutlineView {
if let Some(rows) = active_editor.highlighted_rows() {
let snapshot = active_editor.snapshot(cx).display_snapshot;
let position = DisplayPoint::new(rows.start, 0).to_point(&snapshot);
active_editor.change_selections(Some(Autoscroll::Center), cx, |s| {
active_editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([position..position])
});
}

View File

@ -150,7 +150,7 @@ impl ProjectSymbolsView {
let editor = workspace.open_project_item::<Editor>(buffer, cx);
editor.update(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Center), cx, |s| {
editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([position..position])
});
});

View File

@ -512,7 +512,7 @@ impl ProjectSearchView {
let range_to_select = match_ranges[new_index].clone();
self.results_editor.update(cx, |editor, cx| {
editor.unfold_ranges([range_to_select.clone()], false, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges([range_to_select])
});
});
@ -546,7 +546,7 @@ impl ProjectSearchView {
} else {
self.results_editor.update(cx, |editor, cx| {
if reset_selections {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(match_ranges.first().cloned())
});
}

View File

@ -13,7 +13,7 @@ pub fn init(cx: &mut MutableAppContext) {
fn normal_before(_: &mut Workspace, _: &NormalBefore, cx: &mut ViewContext<Workspace>) {
Vim::update(cx, |state, cx| {
state.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, mut cursor, _| {
*cursor.column_mut() = cursor.column().saturating_sub(1);
(map.clip_point(cursor, Bias::Left), SelectionGoal::None)

View File

@ -114,7 +114,7 @@ pub fn normal_object(object: Object, cx: &mut MutableAppContext) {
fn move_cursor(vim: &mut Vim, motion: Motion, times: usize, cx: &mut MutableAppContext) {
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, cursor, goal| {
motion
.move_point(map, cursor, goal, times)
@ -128,7 +128,7 @@ fn insert_after(_: &mut Workspace, _: &InsertAfter, cx: &mut ViewContext<Workspa
Vim::update(cx, |vim, cx| {
vim.switch_mode(Mode::Insert, false, cx);
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.maybe_move_cursors_with(|map, cursor, goal| {
Motion::Right.move_point(map, cursor, goal, 1)
});
@ -145,7 +145,7 @@ fn insert_first_non_whitespace(
Vim::update(cx, |vim, cx| {
vim.switch_mode(Mode::Insert, false, cx);
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.maybe_move_cursors_with(|map, cursor, goal| {
Motion::FirstNonWhitespace.move_point(map, cursor, goal, 1)
});
@ -158,7 +158,7 @@ fn insert_end_of_line(_: &mut Workspace, _: &InsertEndOfLine, cx: &mut ViewConte
Vim::update(cx, |vim, cx| {
vim.switch_mode(Mode::Insert, false, cx);
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.maybe_move_cursors_with(|map, cursor, goal| {
Motion::EndOfLine.move_point(map, cursor, goal, 1)
});
@ -187,7 +187,7 @@ fn insert_line_above(_: &mut Workspace, _: &InsertLineAbove, cx: &mut ViewContex
(start_of_line..start_of_line, new_text)
});
editor.edit_with_autoindent(edits, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, mut cursor, _| {
*cursor.row_mut() -= 1;
*cursor.column_mut() = map.line_len(cursor.row());
@ -218,7 +218,7 @@ fn insert_line_below(_: &mut Workspace, _: &InsertLineBelow, cx: &mut ViewContex
new_text.push_str(&" ".repeat(indent as usize));
(end_of_line..end_of_line, new_text)
});
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.maybe_move_cursors_with(|map, cursor, goal| {
Motion::EndOfLine.move_point(map, cursor, goal, 1)
});
@ -336,7 +336,7 @@ fn paste(_: &mut Workspace, _: &Paste, cx: &mut ViewContext<Workspace>) {
buffer.edit(edits, Some(AutoindentMode::EachLine), cx);
});
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
if let Some(new_position) = new_selections.get(&selection.id) {
match new_position {

View File

@ -15,7 +15,7 @@ pub fn change_motion(vim: &mut Vim, motion: Motion, times: usize, cx: &mut Mutab
editor.transact(cx, |editor, cx| {
// We are swapping to insert mode anyway. Just set the line end clipping behavior now
editor.set_clip_at_line_ends(false, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
motion_succeeded |= if let Motion::NextWordStart { ignore_punctuation } = motion
{
@ -43,7 +43,7 @@ pub fn change_object(vim: &mut Vim, object: Object, around: bool, cx: &mut Mutab
// We are swapping to insert mode anyway. Just set the line end clipping behavior now
editor.set_clip_at_line_ends(false, cx);
editor.transact(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
objects_found |= object.expand_selection(map, selection, around);
});

View File

@ -8,7 +8,7 @@ pub fn delete_motion(vim: &mut Vim, motion: Motion, times: usize, cx: &mut Mutab
editor.transact(cx, |editor, cx| {
editor.set_clip_at_line_ends(false, cx);
let mut original_columns: HashMap<_, _> = Default::default();
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let original_head = selection.head();
original_columns.insert(selection.id, original_head.column());
@ -20,7 +20,7 @@ pub fn delete_motion(vim: &mut Vim, motion: Motion, times: usize, cx: &mut Mutab
// Fixup cursor position after the deletion
editor.set_clip_at_line_ends(true, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let mut cursor = selection.head();
if motion.linewise() {
@ -43,7 +43,7 @@ pub fn delete_object(vim: &mut Vim, object: Object, around: bool, cx: &mut Mutab
// Emulates behavior in vim where if we expanded backwards to include a newline
// the cursor gets set back to the start of the line
let mut should_move_to_start: HashSet<_> = Default::default();
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
object.expand_selection(map, selection, around);
let offset_range = selection.map(|p| p.to_offset(map, Bias::Left)).range();
@ -78,7 +78,7 @@ pub fn delete_object(vim: &mut Vim, object: Object, around: bool, cx: &mut Mutab
// Fixup cursor position after the deletion
editor.set_clip_at_line_ends(true, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let mut cursor = selection.head();
if should_move_to_start.contains(&selection.id) {

View File

@ -26,7 +26,7 @@ pub fn init(cx: &mut MutableAppContext) {
pub fn visual_motion(motion: Motion, times: usize, cx: &mut MutableAppContext) {
Vim::update(cx, |vim, cx| {
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let was_reversed = selection.reversed;
@ -58,7 +58,7 @@ pub fn visual_object(object: Object, cx: &mut MutableAppContext) {
Vim::update(cx, |vim, cx| {
if let Operator::Object { around } = vim.pop_operator(cx) {
vim.update_active_editor(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let head = selection.head();
if let Some(mut range) = object.range(map, head, around) {
@ -126,7 +126,7 @@ pub fn change(_: &mut Workspace, _: &VisualChange, cx: &mut ViewContext<Workspac
});
copy_selections_content(editor, editor.selections.line_mode, cx);
editor.edit_with_autoindent(edits, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchors(new_selections);
});
});
@ -140,7 +140,7 @@ pub fn delete(_: &mut Workspace, _: &VisualDelete, cx: &mut ViewContext<Workspac
editor.set_clip_at_line_ends(false, cx);
let mut original_columns: HashMap<_, _> = Default::default();
let line_mode = editor.selections.line_mode;
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
if line_mode {
original_columns
@ -159,7 +159,7 @@ pub fn delete(_: &mut Workspace, _: &VisualDelete, cx: &mut ViewContext<Workspac
// Fixup cursor position after the deletion
editor.set_clip_at_line_ends(true, cx);
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
let mut cursor = selection.head().to_point(map);
@ -298,7 +298,7 @@ pub fn paste(_: &mut Workspace, _: &VisualPaste, cx: &mut ViewContext<Workspace>
buffer.edit(edits, Some(AutoindentMode::EachLine), cx);
});
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections)
});
} else {

View File

@ -1365,7 +1365,7 @@ mod tests {
.downcast::<Editor>()
.unwrap();
editor1.update(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_display_ranges([DisplayPoint::new(10, 0)..DisplayPoint::new(10, 0)])
});
});
@ -1384,7 +1384,7 @@ mod tests {
editor3
.update(cx, |editor, cx| {
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_display_ranges([DisplayPoint::new(12, 0)..DisplayPoint::new(12, 0)])
});
editor.newline(&Default::default(), cx);