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Crossterm errors on painting could be due to wide chars. #193

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Merged
gdt050579 merged 1 commit into from
Nov 2, 2025
Merged

Crossterm errors on painting could be due to wide chars. #193

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7 changes: 6 additions & 1 deletion appcui/src/backend/crossterm/implementation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -187,10 +187,15 @@ impl Backend for CrossTerm {

flags = ch.flags;
}
if ! position_changed {
if ! position_changed {
queue!(stdout, MoveTo(x as u16, y as u16)).unwrap();
position_changed = true;
}
if ! ch.code.is_ascii() {
// Errors on painting could be due to wide chars.
// Cursor must be reposition after each wide character.
position_changed = false;
}
queue!(stdout, Print(ch.code)).unwrap();
} else if position_changed {
position_changed = false;
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