Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-stdwin/HVSplit.py @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents f9bbb01388d5
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1 # HVSplit contains generic code for HSplit and VSplit.
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2 # HSplit and VSplit are specializations to either dimension.
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4 # XXX This does not yet stretch/shrink children if there is too much
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5 # XXX or too little space in the split dimension.
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6 # XXX (NB There is no interface to ask children for stretch preferences.)
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7
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8 from Split import Split
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10 class HVSplit(Split):
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11 #
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12 def create(self, parent, hv):
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13 # hv is 0 for HSplit, 1 for VSplit
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14 self = Split.create(self, parent)
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15 self.hv = hv
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16 return self
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17 #
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18 def getminsize(self, m, sugg_size):
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19 hv, vh = self.hv, 1 - self.hv
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20 size = [0, 0]
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21 sugg_size = [sugg_size[0], sugg_size[1]]
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22 sugg_size[hv] = 0
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23 sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
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24 for c in self.children:
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25 csize = c.getminsize(m, sugg_size)
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26 if csize[vh] > size[vh]: size[vh] = csize[vh]
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27 size[hv] = size[hv] + csize[hv]
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28 return size[0], size[1]
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29 #
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30 def getbounds(self):
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31 return self.bounds
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32 #
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33 def setbounds(self, bounds):
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34 self.bounds = bounds
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35 hv, vh = self.hv, 1 - self.hv
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36 mf = self.parent.beginmeasuring
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37 begin, end = bounds
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38 sugg_size = end[0] - begin[0], end[1] - begin[1]
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39 size = self.getminsize(mf(), sugg_size)
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40 origin = [begin[0], begin[1]]
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41 sugg_size = [sugg_size[0], sugg_size[1]] # Make a list
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42 sugg_size[hv] = 0
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43 sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
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44 for c in self.children:
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45 size = c.getminsize(mf(), sugg_size)
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46 corner = [0, 0]
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47 corner[vh] = end[vh]
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48 corner[hv] = origin[hv] + size[hv]
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49 c.setbounds(((origin[0], origin[1]), \
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50 (corner[0], corner[1])))
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51 origin[hv] = corner[hv]
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52 # XXX stretch
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53 # XXX too-small
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54 #
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55
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56 class HSplit(HVSplit):
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57 def create(self, parent):
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58 return HVSplit.create(self, parent, 0)
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60 class VSplit(HVSplit):
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61 def create(self, parent):
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62 return HVSplit.create(self, parent, 1)