Lib/stdwin/BoxParent.py

   1 from TransParent import TransParent
   2
   3 class BoxParent(TransParent):
   4         #
   5         def create(self, parent, (dh, dv)):
   6                 self = TransParent.create(self, parent)
   7                 self.dh = dh
   8                 self.dv = dv
   9                 return self
  10         #
  11         def getminsize(self, m, (width, height)):
  12                 width = max(0, width - 2*self.dh)
  13                 height = max(0, height - 2*self.dv)
  14                 width, height = self.child.getminsize(m, (width, height))
  15                 return width + 2*self.dh, height + 2*self.dv
  16         #
  17         def setbounds(self, bounds):
  18                 (left, top), (right, bottom) = bounds
  19                 self.bounds = bounds
  20                 left = min(right, left + self.dh)
  21                 top = min(bottom, top + self.dv)
  22                 right = max(left, right - self.dh)
  23                 bottom = max(top, bottom - self.dv)
  24                 self.innerbounds = (left, top), (right, bottom)
  25                 self.child.setbounds(self.innerbounds)
  26         #
  27         def getbounds(self):
  28                 return self.bounds
  29         #
  30         def draw(self, d, area):
  31                 (left, top), (right, bottom) = self.bounds
  32                 left = left + 1
  33                 top = top + 1
  34                 right = right - 1
  35                 bottom = bottom - 1
  36                 d.box((left, top), (right, bottom))
  37                 TransParent.draw(self, d, area) # XXX clip to innerbounds?
  38         #
  39         # XXX should scroll clip to innerbounds???
  40         # XXX currently the only user restricts itself to child's bounds