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attach zero-width joiners to cells

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This commit is contained in:
Mitchell Hashimoto
2022-09-05 11:32:14 -07:00
parent 8ef31aaaf9
commit 9e8d00f140
1 changed files with 14 additions and 3 deletions
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17
src/terminal/Terminal.zig
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@ -512,9 +512,20 @@ pub fn print(self: *Terminal, c: u21) !void {
const width = utf8proc.charwidth(c); const width = utf8proc.charwidth(c);
assert(width <= 2); assert(width <= 2);
// For now, we ignore zero-width characters. When we support ligatures, // Attach zero-width characters to our cell as grapheme data.
// this will have to change. if (width == 0) {
if (width == 0) return; // Find our previous cell
const row = self.screen.getRow(.{ .active = self.screen.cursor.y });
const prev: usize = prev: {
const x = self.screen.cursor.x - 1;
const immediate = row.getCellPtr(x);
if (!immediate.attrs.wide_spacer_tail) break :prev x;
break :prev x - 1;
};
try row.attachGrapheme(prev, c);
return;
}
// If we're soft-wrapping, then handle that first. // If we're soft-wrapping, then handle that first.
if (self.screen.cursor.pending_wrap and self.modes.autowrap) if (self.screen.cursor.pending_wrap and self.modes.autowrap)