mirror of
https://github.com/python/cpython.git
synced 2024-12-01 11:15:56 +01:00
57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
# 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 or 1 for HSplit or VSplit
|
|
self = Split.create(self, parent)
|
|
self.hv = hv
|
|
return self
|
|
#
|
|
def minsize(self, m):
|
|
hv, vh = self.hv, 1 - self.hv
|
|
size = [0, 0]
|
|
for c in self.children:
|
|
csize = c.minsize(m)
|
|
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
|
|
size = self.minsize(mf())
|
|
# XXX not yet used! Later for stretching
|
|
maxsize_hv = bounds[1][hv] - bounds[0][hv]
|
|
origin = [self.bounds[0][0], self.bounds[0][1]]
|
|
for c in self.children:
|
|
size = c.minsize(mf())
|
|
corner = [0, 0]
|
|
corner[vh] = bounds[1][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))
|