def point_to_timedelta(self, x, y, snap=True):
x /= self.scale
y /= self.scale
day = int(x / self.day_width)
if y < 0:
day += 1
minute = (day * 24 * 60) + quantize(int((y / self.hour_height) * 60), 15)
return datetime.timedelta(minutes=minute)
def point_to_datetime(self, x, y, snap=True):
x /= self.scale
y /= self.scale
hour = ((y + (- self.y_scroll_offset)) /
self.hour_height)
if snap:
minute = quantize(hour % 1 * 60, 15)
else:
minute = hour % 1 * 60
date = int(self.date + (x - self.day_width)
/ self.day_width)
ret = datetime.datetime.fromordinal(date)
delta = datetime.timedelta(hours=int(hour), minutes=minute)
return ret + delta