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screen: don't trim blank lines if rows aren't changing

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This commit is contained in:
Mitchell Hashimoto
2023-03-01 17:09:57 -08:00
parent b4d8419feb
commit 89138cf7e3
1 changed files with 4 additions and 0 deletions
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4
src/terminal/Screen.zig
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@ -1718,6 +1718,10 @@ pub fn resizeWithoutReflow(self: *Screen, rows: usize, cols: usize) !void {
// between terminal apps. I'm completely open to changing it as long // between terminal apps. I'm completely open to changing it as long
// as resize behavior isn't regressed in a user-hostile way. // as resize behavior isn't regressed in a user-hostile way.
const trailing_blank_lines = blank: { const trailing_blank_lines = blank: {
// If we aren't changing row length, then don't bother calculating
// because we aren't going to trim.
if (self.rows == rows) break :blank 0;
// If there is history, blank line counting is disabled and // If there is history, blank line counting is disabled and
// we generate scrollback. Why? Terminal.app does it, seems... fine. // we generate scrollback. Why? Terminal.app does it, seems... fine.
if (self.history > 0) break :blank 0; if (self.history > 0) break :blank 0;