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https://github.com/wez/wezterm.git
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use rangeset to streamline line fetches
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01f3adc2cb
commit
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@ -83,6 +83,12 @@ pub fn range_union<T: Integer>(r1: Range<T>, r2: Range<T>) -> Range<T> {
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}
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}
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}
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}
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impl<T: Integer + Copy + Debug> Into<Vec<Range<T>>> for RangeSet<T> {
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fn into(self) -> Vec<Range<T>> {
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self.ranges
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}
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}
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impl<T: Integer + Copy + Debug> RangeSet<T> {
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impl<T: Integer + Copy + Debug> RangeSet<T> {
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/// Create a new set
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/// Create a new set
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pub fn new() -> Self {
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pub fn new() -> Self {
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@ -428,14 +428,13 @@ pub struct GetTabRenderChangesResponse {
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#[derive(Deserialize, Serialize, PartialEq, Debug)]
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#[derive(Deserialize, Serialize, PartialEq, Debug)]
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pub struct GetLines {
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pub struct GetLines {
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pub tab_id: TabId,
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pub tab_id: TabId,
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pub lines: Range<StableRowIndex>,
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pub lines: Vec<Range<StableRowIndex>>,
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}
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}
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#[derive(Deserialize, Serialize, PartialEq, Debug)]
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#[derive(Deserialize, Serialize, PartialEq, Debug)]
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pub struct GetLinesResponse {
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pub struct GetLinesResponse {
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pub tab_id: TabId,
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pub tab_id: TabId,
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pub first_row: StableRowIndex,
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pub lines: Vec<(StableRowIndex, Line)>,
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pub lines: Vec<Line>,
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}
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}
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#[cfg(test)]
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#[cfg(test)]
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@ -708,11 +708,18 @@ impl<S: ReadAndWrite> ClientSession<S> {
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.ok_or_else(|| anyhow!("no such tab {}", tab_id))?;
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.ok_or_else(|| anyhow!("no such tab {}", tab_id))?;
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let mut renderer = tab.renderer();
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let mut renderer = tab.renderer();
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let (first_row, lines) = renderer.get_lines(lines);
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let mut lines_and_indices = vec![];
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for range in lines {
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let (first_row, lines) = renderer.get_lines(range);
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for (idx, line) in lines.into_iter().enumerate() {
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let stable_row = first_row + idx as StableRowIndex;
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lines_and_indices.push((stable_row, line));
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}
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}
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Ok(Pdu::GetLinesResponse(GetLinesResponse {
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Ok(Pdu::GetLinesResponse(GetLinesResponse {
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tab_id,
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tab_id,
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first_row,
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lines: lines_and_indices,
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lines,
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}))
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}))
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})
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})
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}
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}
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@ -339,7 +339,7 @@ impl RenderableInner {
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fn apply_changes_to_surface(&mut self, delta: GetTabRenderChangesResponse) {
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fn apply_changes_to_surface(&mut self, delta: GetTabRenderChangesResponse) {
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self.poll_interval = BASE_POLL_INTERVAL;
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self.poll_interval = BASE_POLL_INTERVAL;
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let mut to_fetch = delta.dimensions.physical_top..delta.dimensions.physical_top;
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let mut to_fetch = RangeSet::new();
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for r in delta.dirty_lines {
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for r in delta.dirty_lines {
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log::error!("apply changes: marking {:?} dirty", r);
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log::error!("apply changes: marking {:?} dirty", r);
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self.dirty_rows.add_range(r.clone());
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self.dirty_rows.add_range(r.clone());
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@ -349,8 +349,7 @@ impl RenderableInner {
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// If it is outside that region, remove it from our cache
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// If it is outside that region, remove it from our cache
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// so that we'll fetch it on demand later.
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// so that we'll fetch it on demand later.
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if idx >= delta.dimensions.physical_top {
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if idx >= delta.dimensions.physical_top {
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to_fetch.start = to_fetch.start.min(idx);
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to_fetch.add(idx);
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to_fetch.end = to_fetch.end.max(idx + 1);
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} else {
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} else {
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self.lines.pop(&idx);
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self.lines.pop(&idx);
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}
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}
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@ -367,10 +366,7 @@ impl RenderableInner {
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to_fetch
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to_fetch
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);
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);
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to_fetch = range_union(
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to_fetch.add(delta.cursor_position.y);
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to_fetch.clone(),
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delta.cursor_position.y..delta.cursor_position.y + 1,
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);
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}
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}
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self.cursor_position = delta.cursor_position;
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self.cursor_position = delta.cursor_position;
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self.dimensions = delta.dimensions;
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self.dimensions = delta.dimensions;
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@ -379,20 +375,13 @@ impl RenderableInner {
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self.fetch_lines(to_fetch);
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self.fetch_lines(to_fetch);
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}
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}
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fn fetch_lines(&mut self, to_fetch: Range<StableRowIndex>) {
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fn fetch_lines(&mut self, mut to_fetch: RangeSet<StableRowIndex>) {
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if to_fetch.start == to_fetch.end {
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to_fetch.remove_set(&self.fetch_pending);
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if to_fetch.is_empty() {
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return;
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return;
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}
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}
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let mut fetch_pending = RangeSet::new();
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self.fetch_pending.add_set(&to_fetch);
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fetch_pending.add_range(to_fetch.clone());
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fetch_pending.remove_set(&self.fetch_pending);
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if fetch_pending.is_empty() {
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return;
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}
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self.fetch_pending.add_range(to_fetch.clone());
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let local_tab_id = self.local_tab_id;
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let local_tab_id = self.local_tab_id;
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log::error!(
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log::error!(
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@ -404,7 +393,7 @@ impl RenderableInner {
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.client
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.client
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.get_lines(GetLines {
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.get_lines(GetLines {
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tab_id: self.remote_tab_id,
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tab_id: self.remote_tab_id,
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lines: to_fetch,
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lines: to_fetch.into(),
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})
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})
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.then(move |result| {
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.then(move |result| {
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match result {
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match result {
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@ -418,8 +407,7 @@ impl RenderableInner {
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let renderable = client_tab.renderable.borrow_mut();
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let renderable = client_tab.renderable.borrow_mut();
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let mut inner = renderable.inner.borrow_mut();
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let mut inner = renderable.inner.borrow_mut();
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log::error!("got {} lines", result.lines.len());
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log::error!("got {} lines", result.lines.len());
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for (idx, line) in result.lines.into_iter().enumerate() {
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for (stable_row, line) in result.lines.into_iter() {
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let stable_row = result.first_row + idx as StableRowIndex;
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inner.lines.put(stable_row, line);
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inner.lines.put(stable_row, line);
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inner.dirty_rows.add(stable_row);
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inner.dirty_rows.add(stable_row);
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inner.fetch_pending.remove(stable_row);
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inner.fetch_pending.remove(stable_row);
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@ -479,7 +467,7 @@ impl Renderable for RenderableState {
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fn get_lines(&mut self, lines: Range<StableRowIndex>) -> (StableRowIndex, Vec<Line>) {
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fn get_lines(&mut self, lines: Range<StableRowIndex>) -> (StableRowIndex, Vec<Line>) {
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let mut inner = self.inner.borrow_mut();
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let mut inner = self.inner.borrow_mut();
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let mut result = vec![];
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let mut result = vec![];
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let mut to_fetch = 0..0;
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let mut to_fetch = RangeSet::new();
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for idx in lines.clone() {
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for idx in lines.clone() {
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match inner.lines.get(&idx) {
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match inner.lines.get(&idx) {
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Some(line) => {
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Some(line) => {
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@ -488,7 +476,7 @@ impl Renderable for RenderableState {
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inner.dirty_rows.remove(idx);
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inner.dirty_rows.remove(idx);
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}
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}
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None => {
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None => {
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to_fetch = range_union(to_fetch, idx..idx + 1);
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to_fetch.add(idx);
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result.push(Line::with_width(inner.dimensions.cols));
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result.push(Line::with_width(inner.dimensions.cols));
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}
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}
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}
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}
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