text: # ----------------------------------------------------------------------------
  # pyglet
  # Copyright (c) 2006-2008 Alex Holkner
  # Copyright (c) 2008-2019 pyglet contributors
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions
  # are met:
  #
  #  * Redistributions of source code must retain the above copyright
  #    notice, this list of conditions and the following disclaimer.
  #  * Redistributions in binary form must reproduce the above copyright
  #    notice, this list of conditions and the following disclaimer in
  #    the documentation and/or other materials provided with the
  #    distribution.
  #  * Neither the name of pyglet nor the names of its
  #    contributors may be used to endorse or promote products
  #    derived from this software without specific prior written
  #    permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  # ----------------------------------------------------------------------------
  
  """Events for :py:mod:`pyglet.window`.
  
  See :py:class:`~pyglet.window.Window` for a description of the window event types.
  """
  import sys
  
  from pyglet.window import key
  from pyglet.window import mouse
  
  
  class WindowEventLogger:
      """Print all events to a file.
  
      When this event handler is added to a window it prints out all events
      and their parameters; useful for debugging or discovering which events
      you need to handle.
  
      Example::
  
          win = window.Window()
          win.push_handlers(WindowEventLogger())
  
      """
      def __init__(self, logfile=None):
          """Create a `WindowEventLogger` which writes to `logfile`.
  
          :Parameters:
              `logfile` : file-like object
                  The file to write to.  If unspecified, stdout will be used.
  
          """
          if logfile is None:
              logfile = sys.stdout
          self.file = logfile
  
      def on_key_press(self, symbol, modifiers):
          print('on_key_press(symbol=%s, modifiers=%s)' % (
              key.symbol_string(symbol), key.modifiers_string(modifiers)), file=self.file)
  
      def on_key_release(self, symbol, modifiers):
          print('on_key_release(symbol=%s, modifiers=%s)' % (
              key.symbol_string(symbol), key.modifiers_string(modifiers)), file=self.file)
  
      def on_text(self, text):
          print('on_text(text=%r)' % text, file=self.file)
  
      def on_text_motion(self, motion):
          print('on_text_motion(motion=%s)' % (
              key.motion_string(motion)), file=self.file)
  
      def on_text_motion_select(self, motion):
          print('on_text_motion_select(motion=%s)' % (
              key.motion_string(motion)), file=self.file)
  
      def on_mouse_motion(self, x, y, dx, dy):
          print('on_mouse_motion(x=%d, y=%d, dx=%d, dy=%d)' % (
              x, y, dx, dy), file=self.file)
  
      def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
          print('on_mouse_drag(x=%d, y=%d, dx=%d, dy=%d, buttons=%s, modifiers=%s)' % (
                x, y, dx, dy, mouse.buttons_string(buttons), key.modifiers_string(modifiers)),
                file=self.file)
  
      def on_mouse_press(self, x, y, button, modifiers):
          print('on_mouse_press(x=%d, y=%d, button=%r, modifiers=%s)' % (
              x, y, mouse.buttons_string(button), key.modifiers_string(modifiers)), file=self.file)
  
      def on_mouse_release(self, x, y, button, modifiers):
          print('on_mouse_release(x=%d, y=%d, button=%r, modifiers=%s)' % (
              x, y, mouse.buttons_string(button), key.modifiers_string(modifiers)), file=self.file)
  
      def on_mouse_scroll(self, x, y, dx, dy):
          print('on_mouse_scroll(x=%f, y=%f, dx=%f, dy=%f)' % (
              x, y, dx, dy), file=self.file)
  
      def on_close(self):
          print('on_close()', file=self.file)
  
      def on_mouse_enter(self, x, y):
          print('on_mouse_enter(x=%d, y=%d)' % (x, y), file=self.file)
  
      def on_mouse_leave(self, x, y):
          print('on_mouse_leave(x=%d, y=%d)' % (x, y), file=self.file)
  
      def on_expose(self):
          print('on_expose()', file=self.file)
  
      def on_resize(self, width, height):
          print('on_resize(width=%d, height=%d)' % (width, height), file=self.file)
  
      def on_move(self, x, y):
          print('on_move(x=%d, y=%d)' % (x, y), file=self.file)
  
      def on_activate(self):
          print('on_activate()', file=self.file)
  
      def on_deactivate(self):
          print('on_deactivate()', file=self.file)
  
      def on_show(self):
          print('on_show()', file=self.file)
  
      def on_hide(self):
          print('on_hide()', file=self.file)
  
      def on_context_lost(self):
          print('on_context_lost()', file=self.file)
  
      def on_context_state_lost(self):
          print('on_context_state_lost()', file=self.file)
  
      def on_draw(self):
          print('on_draw()', file=self.file)
  