private void fillContentPanel(@NotNull JComponent content, @NotNull ActionToolbarImpl toolbar) {
    myMainPanel.addToCenter(content);
    toolbar.setBackground(UIUtil.getToolTipActionBackground());

    new WindowMoveListener(myContent).installTo(toolbar);

    myContent
      .addToCenter(myMainPanel)
      .addToBottom(toolbar);
  }
private void fillContentPanel(@NotNull JComponent content, @NotNull ActionToolbarImpl toolbar)