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Line 218:
Line 218: − + − # go around 2 times, e.g., 4 pi + − + − + − + + + + +
User:Walter/favoriteslayout.py (view source)
Revision as of 18:44, 9 September 2008
, 18:44, 9 September 2008no edit summary
def _calculate_position(self, radius, icon_size, index, children_count):
def _calculate_position(self, radius, icon_size, index, children_count):
width, height = self.box.get_allocation()
width, height = self.box.get_allocation()
# angle decreases as the radius increases
inc = 12.0 + index / 6.0
angle = index * (4 * math.pi / children_count) - math.pi / 2
angle = index * (2 * math.pi / inc) - math.pi / 2
x = radius * math.cos(angle) + (width - icon_size) / 2
# radius is proportional to index/children_count
y = radius * math.sin(angle) + (height - icon_size -
myminimum = _MINIMUM_RADIUS * .667
newradius = ((radius - myminimum) * (index * 1.1) / children_count)
+ myminimum
x = newradius * math.cos(angle) + (width - icon_size) / 2
y = newradius * math.sin(angle) + (height - icon_size -
style.GRID_CELL_SIZE) / 2
style.GRID_CELL_SIZE) / 2
return x, y
return x, y