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52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
# HVSplit contains generic code for HSplit and VSplit.
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# HSplit and VSplit are specializations to either dimension.
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from Split import Split
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class HVSplit() = Split():
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#
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def create(self, (parent, hv)):
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# hv is 0 or 1 for HSplit or VSplit
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self = Split.create(self, parent)
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self.hv = hv
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return self
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#
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def minsize(self, m):
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hv, vh = self.hv, 1 - self.hv
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size = [0, 0]
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for c in self.children:
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csize = c.minsize(m)
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if csize[vh] > size[vh]: size[vh] = csize[vh]
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size[hv] = size[hv] + csize[hv]
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return size[0], size[1]
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#
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def getbounds(self):
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return self.bounds
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#
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def setbounds(self, bounds):
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self.bounds = bounds
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hv, vh = self.hv, 1 - self.hv
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mf = self.parent.beginmeasuring
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size = self.minsize(mf())
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# XXX not yet used! Later for stretching
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maxsize_hv = bounds[1][hv] - bounds[0][hv]
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origin = [self.bounds[0][0], self.bounds[0][1]]
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for c in self.children:
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size = c.minsize(mf())
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corner = [0, 0]
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corner[vh] = bounds[1][vh]
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corner[hv] = origin[hv] + size[hv]
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c.setbounds((origin[0], origin[1]), \
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(corner[0], corner[1]))
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origin[hv] = corner[hv]
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# XXX stretch
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# XXX too-small
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#
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class HSplit() = HVSplit():
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def create(self, parent):
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return HVSplit.create(self, (parent, 0))
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class VSplit() = HVSplit():
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def create(self, parent):
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return HVSplit.create(self, (parent, 1))
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