text: from PyQt5.QtGui import QKeySequence
  from PyQt5.QtWidgets import QShortcut
  
  
  class ShortcutController:
      def __init__(self, parent_window, app):
          self.parent = parent_window
          self.app = app
  
      def init_items(self):
          toggle_timer = QShortcut(QKeySequence("Ctrl+S"), self.parent)
          toggle_timer.activated.connect(self.parent.manage_timer_controller.toggle_timer)
          reset_timer = QShortcut(QKeySequence("Ctrl+R"), self.parent)
          reset_timer.activated.connect(self.parent.manage_timer_controller.reset_timer)
          add_task = QShortcut(QKeySequence("Ctrl+Return"), self.parent)
          add_task.activated.connect(self.parent.add_task_controller.add_task)
          new_task = QShortcut(QKeySequence("Ctrl+N"), self.parent)
          new_task.activated.connect(self.parent.add_task_controller.prepare_entry)
          config = QShortcut(QKeySequence("Ctrl+,"), self.parent)
          config.activated.connect(self.parent.config_controller.show_dialog)
  