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python-1.0.2
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HVSplit.py
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1993-01-04
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# HVSplit contains generic code for HSplit and VSplit.
# HSplit and VSplit are specializations to either dimension.
# XXX This does not yet stretch/shrink children if there is too much
# XXX or too little space in the split dimension.
# XXX (NB There is no interface to ask children for stretch preferences.)
from Split import Split
class HVSplit(Split):
#
def create(self, parent, hv):
# hv is 0 for HSplit, 1 for VSplit
self = Split.create(self, parent)
self.hv = hv
return self
#
def getminsize(self, m, sugg_size):
hv, vh = self.hv, 1 - self.hv
size = [0, 0]
sugg_size = [sugg_size[0], sugg_size[1]]
sugg_size[hv] = 0
sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
for c in self.children:
csize = c.getminsize(m, sugg_size)
if csize[vh] > size[vh]: size[vh] = csize[vh]
size[hv] = size[hv] + csize[hv]
return size[0], size[1]
#
def getbounds(self):
return self.bounds
#
def setbounds(self, bounds):
self.bounds = bounds
hv, vh = self.hv, 1 - self.hv
mf = self.parent.beginmeasuring
begin, end = bounds
sugg_size = end[0] - begin[0], end[1] - begin[1]
size = self.getminsize(mf(), sugg_size)
origin = [begin[0], begin[1]]
sugg_size = [sugg_size[0], sugg_size[1]] # Make a list
sugg_size[hv] = 0
sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
for c in self.children:
size = c.getminsize(mf(), sugg_size)
corner = [0, 0]
corner[vh] = end[vh]
corner[hv] = origin[hv] + size[hv]
c.setbounds(((origin[0], origin[1]), \
(corner[0], corner[1])))
origin[hv] = corner[hv]
# XXX stretch
# XXX too-small
#
class HSplit(HVSplit):
def create(self, parent):
return HVSplit.create(self, parent, 0)
class VSplit(HVSplit):
def create(self, parent):
return HVSplit.create(self, parent, 1)