Quickly selectable textinput inside scrollview when widget is focused

widgets.py

# The ScrollView widget
from kivy.uix.scrollview import ScrollView

class ScrollView2(ScrollView):
    dont_do_scrolling = False

    def on_touch_down(self, touch):
        if self.dont_do_scrolling:
            self.simulate_touch_down(touch)
            return True

        elif self.dispatch('on_scroll_start', touch):
            self._touch = touch
            touch.grab(self)
            return True

# And the TextInput widget
from kivy.properties import ObjectProperty
from kivy.uix.textinput import TextInput
from kivy.base import EventLoop
from time import time

class TextInput2(TextInput):
    scroller = ObjectProperty()

    def on_scroller(self, _, value):
        if value:
            value.bind(on_touch_down=self.testmethod)

    def testmethod(self, _, touch):
        if self.focus:
            x, y = self.to_widget(touch.x, touch.y)
            if self.collide_point(x, y):
                self.scroller.dont_do_scrolling = True

    def on_touch_up(self, touch):
        if self.scroller:
            if self.scroller.dont_do_scrolling:
                self.scroller.dont_do_scrolling = False
        return super(TextInput2, self).on_touch_up(touch)