def layout(self):
top_height = self.TOP_HEIGHT
bottom_height = self.BOTTOM_HEIGHT
# add a title label at the top
if ((self.scene()) and (not self.title_proxy)):
title_view = view.NameLabel(self.unit)
self.title_proxy = self.scene().addWidget(title_view)
self.title_proxy.setParentItem(self)
r = self.boundingRect()
r.adjust(1, 1, -1, -1)
if (self.title_proxy):
title_view = self.title_proxy.widget()
title_view.setFixedWidth(r.width() - (2 * top_height))
title_height = title_view.geometry().height()
self.title_proxy.setPos(
QPointF(top_height, (top_height - title_height) / 2.0))
# make a button to delete the unit
if (self.allow_delete):
if ((self.scene()) and (not self._delete_button)):
self._delete_button = DeleteButton(self)
self._delete_button.clicked.connect(self.on_delete)
if (self._delete_button):
self._delete_button.setRect(
QRectF(r.right() - top_height, r.top(), top_height,
top_height))
elif (self._delete_button):
self._delete_button.destroy()
self._delete_button = None
# make a button to add to the unit
if (self.allow_add):
if ((self.scene()) and (not self._add_button)):
self._add_button = AddButton(self)
self._add_button.clicked.connect(self.on_add)
if (self._add_button):
self._add_button.setRect(
QRectF(r.left(),
r.bottom() - bottom_height, bottom_height,
bottom_height))
elif (self._add_button):
self._add_button.destroy()
self._add_button = None
# make a button to drag the unit
if ((self.scene()) and (not self._drag_button)):
self._drag_button = DragButton(self, self.unit)
if (self._drag_button):
self._drag_button.setRect(
QRectF(r.left(), r.top(), top_height, top_height))
# make a button to resize the unit
if ((self.allow_resize_width) or (self.allow_resize_height)):
if ((self.scene()) and (not self._resize_button)):
self._resize_button = ResizeButton(
self,
target=self.unit,
horizontal=self.allow_resize_width,
vertical=self.allow_resize_height)
self._resize_button.resize.connect(self.on_resize)
if (self._resize_button):
self._resize_button.setRect(
QRectF(r.right() - bottom_height,
r.bottom() - bottom_height, bottom_height,
bottom_height))
elif (self._resize_button):
self._resize_button.resize.disconnect(self.on_resize)
self._resize_button.destroy()
self._resize_button = None
# position the content, if any
m = self.MARGIN
content_pos = QPointF(m, m + top_height)
content_height = 0.0
if (self._content):
self._content.setPos(content_pos)
content_height = self._content.boundingRect().height()
# position inputs and outputs left and right of the content
io_rect = QRectF(0.0, content_pos.y(), r.width(), content_height)
if (self._input_layout):
self._input_layout.setRect(io_rect)
if (self._output_layout):
self._output_layout.setRect(io_rect)
