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import random
class IconLayout:
def __init__(self, width, height):
self._icons = []
self._width = width
self._height = height
def add_icon(self, icon):
self._icons.append(icon)
self._layout_icon(icon)
def remove_icon(self, icon):
self._icons.remove(icon)
def _is_valid_position(self, icon, x, y):
icon_size = icon.props.size
border = 20
if not (border < x < self._width - icon_size - border and \
border < y < self._height - icon_size - border):
return False
return True
def _layout_icon(self, icon):
while True:
x = random.random() * self._width
y = random.random() * self._height
if self._is_valid_position(icon, x, y):
break
icon.props.x = x
icon.props.y = y
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