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win32 gui: render unicode replacement_char on invalid chars

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Jonathan Marler 2025-01-07 11:00:07 -07:00 • committed by CJ van den Berg
parent cf3fdeb135
commit ff7bdeef6b
1 changed files with 7 additions and 2 deletions
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9
src/win32/gui.zig
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@ -276,8 +276,13 @@ fn paint(
// TODO: pre-caclulate the buffer size needed, for now this should just // TODO: pre-caclulate the buffer size needed, for now this should just
// cause out-of-bounds access // cause out-of-bounds access
var buf_wtf16: [100]u16 = undefined; var buf_wtf16: [100]u16 = undefined;
const grapheme_len = std.unicode.wtf8ToWtf16Le(&buf_wtf16, cell.char.grapheme) catch |err| switch (err) { const grapheme_len = blk: {
error.InvalidWtf8 => @panic("TODO: handle invalid wtf8"), break :blk std.unicode.wtf8ToWtf16Le(&buf_wtf16, cell.char.grapheme) catch |err| switch (err) {
error.InvalidWtf8 => {
buf_wtf16[0] = std.unicode.replacement_character;
break :blk 1;
},
};
}; };
const grapheme = buf_wtf16[0..grapheme_len]; const grapheme = buf_wtf16[0..grapheme_len];
if (std.mem.eql(u16, grapheme, &[_]u16{' '})) if (std.mem.eql(u16, grapheme, &[_]u16{' '}))