@Override
    public void layoutContainer(final Container parent) {
      final int componentCount = parent.getComponentCount();
      if (componentCount == 0) return;
      final EditorEx history = myHistoryViewer;
      final EditorEx editor = componentCount == 2 ? myConsoleEditor : null;

      if (editor == null) {
        parent.getComponent(0).setBounds(parent.getBounds());
        return;
      }

      final Dimension panelSize = parent.getSize();
      if (panelSize.getHeight() <= 0) return;
      final Dimension historySize = history.getContentSize();
      final Dimension editorSize = editor.getContentSize();
      final Dimension newEditorSize = new Dimension();

      // deal with width
      final int width = Math.max(editorSize.width, historySize.width);
      newEditorSize.width = width + editor.getScrollPane().getHorizontalScrollBar().getHeight();
      history.getSoftWrapModel().forceAdditionalColumnsUsage();
      editor
          .getSettings()
          .setAdditionalColumnsCount(
              2 + (width - editorSize.width) / EditorUtil.getSpaceWidth(Font.PLAIN, editor));
      history
          .getSettings()
          .setAdditionalColumnsCount(
              2 + (width - historySize.width) / EditorUtil.getSpaceWidth(Font.PLAIN, history));

      // deal with height
      if (historySize.width == 0) historySize.height = 0;
      final int minHistorySize =
          historySize.height > 0
              ? 2 * history.getLineHeight() + (myShowSeparatorLine ? SEPARATOR_THICKNESS : 0)
              : 0;
      final int minEditorSize = editor.isViewer() ? 0 : editor.getLineHeight();
      final int editorPreferred =
          editor.isViewer() ? 0 : Math.max(minEditorSize, editorSize.height);
      final int historyPreferred = Math.max(minHistorySize, historySize.height);
      if (panelSize.height < minEditorSize) {
        newEditorSize.height = panelSize.height;
      } else if (panelSize.height < editorPreferred) {
        newEditorSize.height = panelSize.height - minHistorySize;
      } else if (panelSize.height < editorPreferred + historyPreferred) {
        newEditorSize.height = editorPreferred;
      } else {
        newEditorSize.height = editorPreferred == 0 ? 0 : panelSize.height - historyPreferred;
      }
      final Dimension newHistorySize =
          new Dimension(width, panelSize.height - newEditorSize.height);

      // apply
      editor
          .getComponent()
          .setBounds(0, newHistorySize.height, panelSize.width, newEditorSize.height);
      myForceScrollToEnd.compareAndSet(false, shouldScrollHistoryToEnd());
      history.getComponent().setBounds(0, 0, panelSize.width, newHistorySize.height);
    }
 public static void setEditorVisibleSize(Editor editor, int widthInChars, int heightInChars) {
   Dimension size =
       new Dimension(
           widthInChars * EditorUtil.getSpaceWidth(Font.PLAIN, editor),
           heightInChars * editor.getLineHeight());
   ((EditorEx) editor).getScrollPane().getViewport().setExtentSize(size);
 }
  public void doWrapLongLinesIfNecessary(
      @NotNull final Editor editor,
      @NotNull final Project project,
      @NotNull Document document,
      int startOffset,
      int endOffset) {
    // Normalization.
    int startOffsetToUse = Math.min(document.getTextLength(), Math.max(0, startOffset));
    int endOffsetToUse = Math.min(document.getTextLength(), Math.max(0, endOffset));

    LineWrapPositionStrategy strategy = LanguageLineWrapPositionStrategy.INSTANCE.forEditor(editor);
    CharSequence text = document.getCharsSequence();
    int startLine = document.getLineNumber(startOffsetToUse);
    int endLine = document.getLineNumber(Math.max(0, endOffsetToUse - 1));
    int maxLine = Math.min(document.getLineCount(), endLine + 1);
    int tabSize = EditorUtil.getTabSize(editor);
    if (tabSize <= 0) {
      tabSize = 1;
    }
    int spaceSize = EditorUtil.getSpaceWidth(Font.PLAIN, editor);
    int[] shifts = new int[2];
    // shifts[0] - lines shift.
    // shift[1] - offset shift.

    for (int line = startLine; line < maxLine; line++) {
      int startLineOffset = document.getLineStartOffset(line);
      int endLineOffset = document.getLineEndOffset(line);
      final int preferredWrapPosition =
          calculatePreferredWrapPosition(
              editor, text, tabSize, spaceSize, startLineOffset, endLineOffset, endOffsetToUse);

      if (preferredWrapPosition < 0 || preferredWrapPosition >= endLineOffset) {
        continue;
      }
      if (preferredWrapPosition >= endOffsetToUse) {
        return;
      }

      // We know that current line exceeds right margin if control flow reaches this place, so, wrap
      // it.
      int wrapOffset =
          strategy.calculateWrapPosition(
              document,
              editor.getProject(),
              Math.max(startLineOffset, startOffsetToUse),
              Math.min(endLineOffset, endOffsetToUse),
              preferredWrapPosition,
              false,
              false);
      if (wrapOffset < 0 // No appropriate wrap position is found.
          // No point in splitting line when its left part contains only white spaces, example:
          //    line start -> |                   | <- right margin
          //                  |   aaaaaaaaaaaaaaaa|aaaaaaaaaaaaaaaaaaaa() <- don't want to wrap this
          // line even if it exceeds right margin
          || CharArrayUtil.shiftBackward(text, startLineOffset, wrapOffset - 1, " \t")
              < startLineOffset) {
        continue;
      }

      // Move caret to the target position and emulate pressing <enter>.
      editor.getCaretModel().moveToOffset(wrapOffset);
      emulateEnter(editor, project, shifts);

      // We know that number of lines is just increased, hence, update the data accordingly.
      maxLine += shifts[0];
      endOffsetToUse += shifts[1];
    }
  }