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JBR-1995: Last character issue with korean

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Fix for JTextComponent

(cherry picked from commit a7c8b0b535)
This commit is contained in:
Denis Konoplev
2021-01-29 18:18:10 +03:00
committed by alexey.ushakov@jetbrains.com
parent 3940f61329
commit c6b8ff0533
1 changed files with 16 additions and 0 deletions
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16
src/java.desktop/share/classes/javax/swing/text/JTextComponent.java
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@@ -4781,6 +4781,9 @@ public abstract class JTextComponent extends JComponent implements Scrollable, A
AttributedCharacterIterator text = e.getText();
int composedTextIndex;
boolean isCaretMoved = false;
int caretPositionToRestore = 0;
// old composed text deletion
Document doc = getDocument();
if (composedTextExists()) {
@@ -4788,6 +4791,15 @@ public abstract class JTextComponent extends JComponent implements Scrollable, A
doc.remove(composedTextStart.getOffset(),
composedTextEnd.getOffset() -
composedTextStart.getOffset());
isCaretMoved = caret.getDot() != composedTextStart.getOffset();
if (isCaretMoved) {
caretPositionToRestore = caret.getDot();
// if caret set furter in the doc, we should add commitCount
if (caretPositionToRestore > composedTextStart.getOffset()) {
caretPositionToRestore += commitCount;
}
caret.setDot(composedTextStart.getOffset());
}
} catch (BadLocationException ble) {}
composedTextStart = composedTextEnd = null;
composedTextAttribute = null;
@@ -4863,6 +4875,10 @@ public abstract class JTextComponent extends JComponent implements Scrollable, A
latestCommittedTextEnd = null;
}
}
if (isCaretMoved) {
caret.setDot(caretPositionToRestore);
}
}
private void createComposedTextAttribute(int composedIndex,