@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 boolean shouldScrollHistoryToEnd() {
   final Rectangle visibleArea = myHistoryViewer.getScrollingModel().getVisibleArea();
   final Dimension contentSize = myHistoryViewer.getContentSize();
   return contentSize.getHeight() - visibleArea.getMaxY() < 2 * myHistoryViewer.getLineHeight();
 }