form_text_input doesn't respond after 2 lines

Comments

• sebastiaan

  January 2019

  Hi Noam,

  Thanks for pointing this out! It's certainly a bug, and I've filed an issue for it. For now I'm not sure what causes it. But as a workaround you can use a different backend, because the issue only affects the xpyriment backend.

  Cheers!
  Sebastiaan

  
  
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• Noamwe

  January 2019

  Thanks Sebastian, I switched to psycho backend as you suggested and now it works fine.
• Noamwe

  January 2019

  Hi again, I think I may have found another bug. When using psycho backend, you can't use CAPS or any punctuation marks in the text_input form.
  When using Legacy everything seems to be fine but I'm hesitant about using it because I have read that timing is not ideal.
• sebastiaan

  January 2019

  HI Noam,

  Thanks again for pointing this out.

  The issue with the xpyriment backend will be fixed in the next maintenance release (3.2.7). For now, you can implement the fix by replacing the get_key() function with a fixed version, using the code below, which should go into the Prepare phase of an inline_script at the very start of the experiment.

  The issue with the psycho backend is a bit trickier and I have to think about the best way to fix it. For now I filed another issue for it.

  Cheers!
  Sebastiaan

  from openexp.backend import configurable
  from openexp._mouse import xpyriment
  import pygame
  from pygame import *
  
  
  @configurable
  def get_click(self):
  
      buttonlist = self.buttonlist
      timeout = self.timeout
      pygame.mouse.set_visible(self.visible)
      start_time = pygame.time.get_ticks()
      time = start_time
      while True:
          time = pygame.time.get_ticks()
          # Process the input
          for event in pygame.event.get():
              if event.type == KEYDOWN:
                  if event.key == pygame.K_ESCAPE:
                      self.experiment.pause()
                      continue
                  pygame.event.post(event)
              if event.type == MOUSEBUTTONDOWN:
                  if buttonlist is None or event.button in buttonlist:
                      pygame.mouse.set_visible(self._cursor_shown)
                      return event.button, self.from_xy(event.pos), time
          if timeout is not None and time - start_time >= timeout:
              break
      pygame.mouse.set_visible(self._cursor_shown)
      return None, None, time
  
  
  xpyriment.xpyriment.get_click = get_click
  

  
  
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• Noamwe

  January 2019

  Thanks Sebastian, the fix works and I will carry on with the xpyriment backend using the fix you offered.

  Best,

  Noam