left, top, right, bottom = self.style['padding']
x0 = self.offsets[start]
x1 = self.offsets[stop]
return (self.left + left + x0 - 1, self.top, x1-x0 + 2, self.height)
def scan_offset(self, (x,y)):
left, top, right, bottom = self.style['padding']
x -= self.left + left
k = 0
best = abs(x - 0)
for index, offset in enumerate(self.offsets):
v = abs(x - offset)
if v <= best:
best = v
k = index
return k, best ** 2.0 + abs(y - clamp(self.top, self.top + self.height, y)) ** 2.0
class Container(Box):
def __init__(self, nodes, style):
self.nodes = nodes
self.offset0 = [0] * (len(nodes) + 1)
self.offset1 = [0] * (len(nodes) + 1)
self.flow0 = [0] * len(nodes)
self.flow1 = [0] * len(nodes)
self.base0 = 0
self.base1 = 0
Box.__init__(self, (0, 0, 0, 0), style)
def __getitem__(self, i):
return self.nodes[i]
def move(self, position, drag):
index = clamp(0, len(self.field), position)
if drag:
self.head = index
else:
self.head = self.tail = index
