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from TransParent import TransParent
class BoxParent(TransParent):
#
def create(self, parent, (dh, dv)):
self = TransParent.create(self, parent)
self.dh = dh
self.dv = dv
return self
#
def getminsize(self, m, (width, height)):
width = max(0, width - 2*self.dh)
height = max(0, height - 2*self.dv)
width, height = self.child.getminsize(m, (width, height))
return width + 2*self.dh, height + 2*self.dv
#
def setbounds(self, bounds):
(left, top), (right, bottom) = bounds
self.bounds = bounds
left = min(right, left + self.dh)
top = min(bottom, top + self.dv)
right = max(left, right - self.dh)
bottom = max(top, bottom - self.dv)
self.innerbounds = (left, top), (right, bottom)
self.child.setbounds(self.innerbounds)
#
def getbounds(self):
return self.bounds
#
def draw(self, args):
d, area = args
(left, top), (right, bottom) = self.bounds
left = left + 1
top = top + 1
right = right - 1
bottom = bottom - 1
d.box((left, top), (right, bottom))
TransParent.draw(self, args) # XXX clip to innerbounds?
#
# XXX should scroll clip to innerbounds???
# XXX currently the only user restricts itself to child's bounds
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