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Fix exception on right arrow key at second to last character (#3721)

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This commit is contained in:
Visne
2023-02-14 00:28:44 +11:00
committed by GitHub
parent d7f239f40b
commit 37b4378a06
1 changed files with 3 additions and 9 deletions
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Robust.Shared/Utility/TextRope.cs
+3 -9
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@@ -483,16 +483,10 @@ public static class Rope
[Pure]
public static long RuneShiftRight(long index, Node rope)
{
index += 1;
if (char.IsHighSurrogate(Index(rope, index)))
return index + 2;
// Before you confuse yourself on "shouldn't this be high surrogate since shifting left checks low"
// (Because yes, I did myself too a week after writing it)
// char.IsLowSurrogate(_text[_cursorPosition]) means "is the cursor between a surrogate pair"
// because we ALREADY moved.
if (char.IsLowSurrogate(Index(rope, index)))
index += 1;
return index;
return index + 1;
}
/// <summary>