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Merge pull request #1382 from mitchellh/pua-scaling

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renderer: consider powerline box glyphs whitespace for PUA scaling
This commit is contained in:
Mitchell Hashimoto
2024-01-25 15:45:07 -08:00
committed by GitHub
parent a8b7ddbc88 1907c58972
commit e3996e3502
1 changed files with 11 additions and 2 deletions
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13
src/renderer/cell.zig
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@ -58,8 +58,14 @@ pub fn fgMode(
// If we have a previous cell and it was PUA then we need to // If we have a previous cell and it was PUA then we need to
// also constrain. This is so that multiple PUA glyphs align. // also constrain. This is so that multiple PUA glyphs align.
if (x > 0) { // As an exception, we ignore powerline glyphs since they are
// used for box drawing and we consider them whitespace.
if (x > 0) prev: {
const prev_cell = screen.getCell(.active, y, x - 1); const prev_cell = screen.getCell(.active, y, x - 1);
// Powerline is whitespace
if (isPowerline(prev_cell.char)) break :prev;
if (ziglyph.general_category.isPrivateUse(@intCast(prev_cell.char))) { if (ziglyph.general_category.isPrivateUse(@intCast(prev_cell.char))) {
break :text .constrained; break :text .constrained;
} }
@ -68,7 +74,10 @@ pub fn fgMode(
// If the next cell is empty, then we allow it to use the // If the next cell is empty, then we allow it to use the
// full glyph size. // full glyph size.
const next_cell = screen.getCell(.active, y, x + 1); const next_cell = screen.getCell(.active, y, x + 1);
if (next_cell.char == 0 or next_cell.char == ' ') { if (next_cell.char == 0 or
next_cell.char == ' ' or
isPowerline(next_cell.char))
{
break :text .normal; break :text .normal;
} }