Avoid IME issue after "Edit comment" in featurecat#880

src/main/java/featurecat/lizzie/gui/MainFrame.java

@@ -18,6 +18,7 @@
 import java.awt.datatransfer.Transferable;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseWheelEvent;
+import java.awt.im.InputContext;
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
@@ -162,6 +163,12 @@ public void addSuggestionAsBranch() {}
   public abstract void pasteSgf();
 
   public void editComment() {
+    InputContext context = InputContext.getInstance();
+    boolean oldCompositionEnabled = false;
+    try {
+      oldCompositionEnabled = context.isCompositionEnabled();
+    } catch (UnsupportedOperationException e) {
+    }
     String oldComment = Lizzie.board.getHistory().getData().comment;
     // https://stackoverflow.com/questions/7765478/how-to-add-text-area-on-joptionpane
     // https://stackoverflow.com/a/55678093
@@ -178,6 +185,10 @@ public void editComment() {
       Lizzie.board.getHistory().getData().comment = textArea.getText();
       refresh();
     }
+    try {
+      context.setCompositionEnabled(oldCompositionEnabled);
+    } catch (UnsupportedOperationException e) {
+    }
   }
 
   public void copyCommentToClipboard() {