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Fix HandleScriptButton #73

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Merged
Happypig375 merged 2 commits into from
Nov 2, 2019
Merged

Fix HandleScriptButton #73

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4787058
fix HandleScriptButton
FoggyFinder Nov 2, 2019
0cccb7a
add test
FoggyFinder Nov 2, 2019
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3 changes: 3 additions & 0 deletions CSharpMath.Editor.Tests/MathKeyboardTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -178,5 +178,8 @@ public void Return(params K[] inputs) =>
T(@"1^3_2", K.D1, K.D4, K.Power, K.D3, K.Left, K.Left, K.Subscript, K.D2, K.Left, K.Left, K.Left, K.Left, K.Backspace)
]
public void LeftRightBackspace(string latex, params K[] inputs) => Test(latex, inputs);

[Theory, T(@"□_■", K.Subscript)]
public void SubscriptWorksAtBeginningOfLine(string latex, params K[] inputs) => Test(latex, inputs);
}
}
2 changes: 1 addition & 1 deletion CSharpMath.Editor/Keyboards/MathKeyboard.cs
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Expand Up @@ -100,7 +100,7 @@ void HandleScriptButton(bool isSuperScript) {
if (_insertionIndex.AtBeginningOfLine) {
// Create an empty atom and move the insertion index up.
var emptyAtom = MathAtoms.Placeholder;
emptyAtom.Superscript = MathAtoms.PlaceholderList;
SetScript(emptyAtom, MathAtoms.PlaceholderList);
MathList.InsertAndAdvance(ref _insertionIndex, emptyAtom, subIndexType);
} else {
var prevAtom = MathList.AtomAt(_insertionIndex.Previous);
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