sugar-toolkit-gtk3/shell/home/IconLayout.py
2006-08-29 17:18:16 +02:00

40 lines
862 B
Python

import random
class IconLayout:
def __init__(self, width, height):
self._icons = []
self._width = width
self._height = height
def set_bounds(self, x1, y1, x2, y2):
self._x1 = x1
self._y1 = y1
self._x2 = x2
self._y2 = y2
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):
h_border = icon.props.width + 4
v_border = icon.props.height + 4
if x < self._x1 - h_border or x > self._x2 + h_border:
return True
if y < self._y1 - v_border or y > self._y2 + v_border:
return True
return False
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