key_trigger {
  input: KEY_BACKSPACE
  action: "key_backspace"
}
key_trigger {
  input: KEY_BACK
  action: "back"
}
key_trigger {
  input: KEY_SPACE
  action: "key_space"
}
key_trigger {
  input: KEY_ENTER
  action: "key_enter"
}
mouse_trigger {
  input: MOUSE_BUTTON_1
  action: "touch"
}
text_trigger {
  input: TEXT
  action: "text"
}
text_trigger {
  input: MARKED_TEXT
  action: "marked_text"
}