def mousePressEvent(self, event):
child = self.childAt(event.pos())
if not child:
return
if not isinstance(child, ComponentWidget):
return
pos = child.mapFromParent(event.pos())
if not child.grab_rect().contains(pos):
return
# Create the drag object with the component data we are moving
mime_data = QtCore.QMimeData()
mime_data.setText(json.dumps(child.comp.data()))
drag = QtGui.QDrag(self)
drag.setMimeData(mime_data)
hotspot = event.pos() - child.pos()
drag.setHotSpot(hotspot)
# Resize the indicator so it has the same height as the ComponentWidget we are dragging
self.drop_indicator.setFixedHeight(child.height())
QtWidgets.qApp.setOverrideCursor(
QtGui.QCursor(QtCore.Qt.ClosedHandCursor))
index = self.get_component_index_at_position(event.pos())
component_widget_index = self.queue_layout.indexOf(child)
self.queue_layout.takeAt(component_widget_index)
child.hide()
self.place_indicator(index)
if drag.exec_(QtCore.Qt.MoveAction) == QtCore.Qt.MoveAction:
# The drag reorder was accepted so do the actual move
drop_indicator_index = self.queue_layout.indexOf(
self.drop_indicator)
self.hide_indicator()
self.queue_layout.insertWidget(drop_indicator_index, child)
child.show()
self.queue.clear()
components = self.get_ordered_component_widgets()
for widget in components:
self.queue.add(widget.comp)
else:
self.queue_layout.insertWidget(component_widget_index, child)
child.show()
restore_cursor()
def mimeData(self, indices):
pks = ' '.join(
[idx.internalPointer().component_path for idx in indices])
data = QtCore.QMimeData()
data.setText(pks)
return data