text: #!/usr/bin/env python
  """
  Example of the 'transparency' attribute of `Window' when used in a Float.
  """
  from __future__ import unicode_literals
  
  from prompt_toolkit.application import Application
  from prompt_toolkit.formatted_text import HTML
  from prompt_toolkit.key_binding import KeyBindings
  from prompt_toolkit.layout.containers import Window, FloatContainer, Float
  from prompt_toolkit.layout.controls import FormattedTextControl
  from prompt_toolkit.layout.layout import Layout
  from prompt_toolkit.widgets import Frame
  
  LIPSUM = ' '.join(("""Lorem ipsum dolor sit amet, consectetur adipiscing elit.
  Maecenas quis interdum enim. Nam viverra, mauris et blandit malesuada, ante est
  bibendum mauris, ac dignissim dui tellus quis ligula. Aenean condimentum leo at
  dignissim placerat. In vel dictum ex, vulputate accumsan mi. Donec ut quam
  placerat massa tempor elementum. Sed tristique mauris ac suscipit euismod. Ut
  tempus vehicula augue non venenatis. Mauris aliquam velit turpis, nec congue
  risus aliquam sit amet. Pellentesque blandit scelerisque felis, faucibus
  consequat ante. Curabitur tempor tortor a imperdiet tincidunt. Nam sed justo
  sit amet odio bibendum congue. Quisque varius ligula nec ligula gravida, sed
  convallis augue faucibus. Nunc ornare pharetra bibendum. Praesent blandit ex
  quis sodales maximus. """ * 100).split())
  
  
  # 1. The layout
  left_text = HTML("<reverse>transparent=False</reverse>\n")
  right_text = HTML("<reverse>transparent=True</reverse>")
  quit_text = "Press 'q' to quit."
  
  
  body = FloatContainer(
      content=Window(FormattedTextControl(LIPSUM), wrap_lines=True),
      floats=[
  
          # Important note: Wrapping the floating objects in a 'Frame' is
          #                 only required for drawing the border around the
          #                 floating text. We do it here to make the layout more
          #                 obvious.
  
          # Left float.
          Float(
              Frame(Window(FormattedTextControl(left_text), width=20, height=4)),
              transparent=False,
              left=0),
  
          # Right float.
          Float(
              Frame(Window(FormattedTextControl(right_text), width=20, height=4)),
              transparent=True,
              right=0),
  
          # Quit text.
          Float(
              Frame(Window(FormattedTextControl(quit_text), width=18, height=1),
                    style='bg:#ff44ff #ffffff'),
              top=1),
      ])
  
  
  # 2. Key bindings
  kb = KeyBindings()
  
  
  @kb.add('q')
  def _(event):
      " Quit application. "
      event.app.exit()
  
  
  # 3. The `Application`
  application = Application(
      layout=Layout(body),
      key_bindings=kb,
      full_screen=True)
  
  
  def run():
      application.run()
  
  
  if __name__ == '__main__':
      run()
  