def _do_layout(self, origin):
left, top, right, bottom = self.getContentsMargins()
width_hint = left + right
height_hint = top + bottom
if self.item_list:
item_size = self.item_list[0].sizeHint()
item_h = item_size.height()
item_w = item_size.width()
multi_row = self.viewport_size.height() - height_hint > item_h
if multi_row:
columns = max(
(self.viewport_size.width() - width_hint) // item_w, 1)
rows = (len(self.item_list) + columns - 1) // columns
else:
columns = len(self.item_list)
rows = 1
width_hint += columns * item_w
height_hint += rows * item_h
self.size_hint = QtCore.QSize(width_hint, height_hint)
if not self.item_list:
return
x = origin.x() + left
y = origin.y() + top
for n, item in enumerate(self.item_list):
i, j = n % columns, n // columns
item.setGeometry(
QtCore.QRect(QtCore.QPoint(x + (i * item_w), y + (j * item_h)),
item_size))
self.scroll_area.set_multi_row(multi_row)
def _do_layout(self, rect, test_only):
left, top, right, bottom = self.getContentsMargins()
effective_rect = rect.adjusted(left, top, -right, -bottom)
x = effective_rect.x()
y = effective_rect.y()
row_height = 0
for item in self.item_list:
item_size = item.sizeHint()
if x + item_size.width() > effective_rect.right() and row_height > 0:
x = effective_rect.x()
y += row_height
row_height = 0
if not test_only:
item.setGeometry(QtCore.QRect(QtCore.QPoint(x, y), item_size))
x += item_size.width()
row_height = max(row_height, item_size.height())
return y + row_height - rect.y() + bottom
def heightForWidth(self, width):
return self._do_layout(QtCore.QRect(0, 0, width, 0), True)
