def processing(self, rect: QRect) -> int:
x = rect.x()
y = rect.y()
line_height = 0
for item in self.items_list:
space_x = self.spacing()
space_y = self.spacing()
next_x = x + item.sizeHint().width() + space_x
if (next_x - space_x > rect.right()) and (line_height > 0):
x = rect.x()
y = y + line_height + space_y
next_x = x + item.sizeHint().width() + space_x
line_height = 0
item.setGeometry(QRect(QPoint(x, y), item.sizeHint()))
x = next_x
line_height = max(line_height, item.sizeHint().height())
return y + line_height + rect.y()
def doLayout(self, rect: QRect, testonly: bool) -> int:
left, top, right, bottom = self.getContentsMargins()
effective = rect.adjusted(+left, +top, -right, -bottom)
x = effective.x()
y = effective.y()
lines: List[Tuple[int, List[Tuple[QLayoutItem, QPoint]]]] = []
line = 0
lineheight = 0
for item in self._items:
widget = item.widget()
hspace = self.horizontalSpacing()
if hspace == -1:
hspace = widget.style().layoutSpacing(QSizePolicy.Preferred,
QSizePolicy.Preferred,
Qt.Horizontal)
vspace = self.verticalSpacing()
if vspace == -1:
vspace = widget.style().layoutSpacing(QSizePolicy.Preferred,
QSizePolicy.Preferred,
Qt.Vertical)
nextX = x + item.sizeHint().width() + hspace
if nextX - hspace > effective.right() and lineheight > 0:
x = effective.x()
y = y + lineheight + vspace
nextX = x + item.sizeHint().width() + hspace
lineheight = 0
line += 1
lineheight = max(lineheight, item.sizeHint().height())
if not testonly:
if len(lines) <= line:
lines.append((lineheight, []))
else:
lines[line] = (max(lines[line][0],
lineheight), lines[line][1])
lines[line][1].append((item, QPoint(x, y)))
x = nextX
if not testonly:
for maxlineheight, current in lines:
if len(current) > 1:
linewidth = sum(line[0].sizeHint().width()
for line in current)
spacing = floor((effective.right() - linewidth) /
(len(current) - 1)) - hspace
else:
spacing = 0
for i, (item, point) in enumerate(current):
item.setGeometry(
QRect(
QPoint(
point.x() + (spacing if i > 0 else 0),
point.y() + floor(
(maxlineheight - item.sizeHint().height())
/ 2)),
item.sizeHint() if len(current) > 1 else QSize(
effective.width(),
item.sizeHint().height())))
return y + lineheight - rect.y() + bottom