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fix(compatibility): acknowledge scroll region even if the cursor is not shown (#84)

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Aram Drevekenin 2020-12-07 16:53:55 +01:00 • committed by GitHub
parent 1c1558df64
commit 576876b475
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1 changed files with 11 additions and 14 deletions
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25
src/terminal_pane/scroll.rs
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@ -394,20 +394,17 @@ impl Scroll {
pub fn add_canonical_line(&mut self) {
let current_canonical_line_index = self.cursor_position.line_index.0;
if let Some((scroll_region_top, scroll_region_bottom)) = self.scroll_region {
if self.show_cursor {
// scroll region should be ignored if the cursor is hidden
if current_canonical_line_index == scroll_region_bottom {
// end of scroll region
// when we have a scroll region set and we're at its bottom
// we need to delete its first line, thus shifting all lines in it upwards
// then we add an empty line at its end which will be filled by the application
// controlling the scroll region (presumably filled by whatever comes next in the
// scroll buffer, but that's not something we control)
self.canonical_lines.remove(scroll_region_top);
self.canonical_lines
.insert(scroll_region_bottom, CanonicalLine::new());
return;
}
if current_canonical_line_index == scroll_region_bottom {
// end of scroll region
// when we have a scroll region set and we're at its bottom
// we need to delete its first line, thus shifting all lines in it upwards
// then we add an empty line at its end which will be filled by the application
// controlling the scroll region (presumably filled by whatever comes next in the
// scroll buffer, but that's not something we control)
self.canonical_lines.remove(scroll_region_top);
self.canonical_lines
.insert(scroll_region_bottom, CanonicalLine::new());
return;
}
}