def layout(self, x, y):
"""
Lays out the child Widgets, in order from left to right.
@param x X coordinate of the lower left corner
@param y Y coordinate of the lower left corner
"""
Widget.layout(self, x, y)
# Expand any expandable content to our height
for item in self.content:
if item.is_expandable() and item.height < self.height:
item.expand(item.width, self.height)
left = x+self.padding/2
if self.align == VALIGN_TOP:
for item in self.content:
item.layout(left, y + self.height - item.height)
left += item.width + self.padding
elif self.align == VALIGN_CENTER:
for item in self.content:
item.layout(left, y + self.height/2 - item.height/2)
left += item.width + self.padding
else: # VALIGN_BOTTOM
for item in self.content:
item.layout(left, y)
left += item.width + self.padding
def size(self, dialog):
"""
Calculates size of the layout, based on its children.
@param dialog The Dialog which contains the layout
"""
if dialog is None:
return
Widget.size(self, dialog)
height = 0
if len(self.content) < 2:
width = 0
else:
width = -self.padding
for item in self.content:
item.size(dialog)
height = max(height, item.height)
width += item.width + self.padding
self.width, self.height = width+self.padding, height
self.expandable = [x for x in self.content if x.is_expandable()]