class_docstr: Glfw backend for Canvas abstract class.
class_docstr_tok: ["Glfw","backend","for","Canvas","abstract","class","."]
code: def _on_key_char(self, _id, text):
      # Repeat strokes (frequency configured at OS) are sent here only,
      # no regular _on_key_press events. Currently ignored!
      if len(self._next_key_events) == 0:
          return
  
      (fun, key, mod) = self._next_key_events.pop(0)
      fun(key=key, text=chr(text), modifiers=mod)
      self._next_key_text[key] = text
  
imports: from __future__ import division
  import atexit
  from time import sleep
  import gc
  import os
  from ..base import BaseApplicationBackend, BaseCanvasBackend, BaseTimerBackend
  from ...util import keys, logger
  from ...util.ptime import time
  from ...None import config
label_desc: Use image node_id 23 for calling the CanvasBackend obj's underlying member method code with example usage: obj._on_key_char(_id, text) without return types