def do_allocate(self, x, y, width, height, requested_width, requested_height, origin_changed):
(columns, width) = self.__get_columns(width)
# Shouldn't happen, do something sane if it does
if height < self.__min_height:
height = self.__min_height
line_heights = layout_utils.compute_lengths(height, self.__line_min_height, self.__line_natural_height)
# to_shrink = self.__natural_height - height
# if to_shrink >= 0:
# line_heights = copy.copy(self.__line_natural_height)
# # We were allocated less than our natural height. We want to shrink lines
# # as equally as possible, but no line more than it's maximum shrink.
# #
# # To do this, we process the lines in order of the available shrink from
# # least available shrink to most
# #
# shrinks = []
# for i in range(0, self.__line_count):
# shrinks.append((i, self.__line_natural_height[i] - self.__line_min_height[i]))
# shrinks.sort(key=lambda t: t[1])
# lines_remaining = self.__line_count
# for (i, shrink) in shrinks:
# # If we can shrink the rest of the lines equally, do that. Otherwise
# # shrink this line as much as possible
# if shrink * lines_remaining >= to_shrink:
# shrink = to_shrink // lines_remaining
# line_heights[i] -= shrink
# lines_remaining -= 1
# to_shrink -= shrink
# else:
# line_heights = self.__line_natural_height
line_index = 0
line_item_count = 0
item_x = 0
item_y = 0
for box_child in self.__box.get_layout_children():
if (box_child.is_header or line_item_count == columns) and line_item_count > 0:
item_y += line_heights[line_index] + self.__row_spacing
line_item_count = 0
line_index += 1
item_x = 0
if box_child.is_header:
box_child.allocate(x, y + item_y, width, line_heights[line_index], origin_changed)
item_y += line_heights[line_index] + self.__row_spacing
line_index += 1
else:
new_x = ((line_item_count + 1) * (width + self.__column_spacing)) / columns
item_width = new_x - item_x - self.__column_spacing
box_child.allocate(x + item_x, y + item_y, item_width, line_heights[line_index], origin_changed)
item_x = new_x
line_item_count += 1
def __compute_row_heights(self, height):
return layout_utils.compute_lengths(height, self.__min_heights, self.__natural_heights, self.__expand_rows)
def __compute_column_widths(self, width):
return layout_utils.compute_lengths(width, self.__min_widths, self.__natural_widths, self.__expand_columns)