def mouseMoveEvent(self, event):
"""Drag and drop layer with mouse movement.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
position = np.array([event.pos().x(), event.pos().y()])
distance = np.linalg.norm(position - self._drag_start_position)
if (distance < QApplication.startDragDistance()
or self._drag_name is None):
return
mimeData = QMimeData()
mimeData.setText(self._drag_name)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
drag.exec_()
# Check if dragged layer still exists or was deleted during drag
names = [layer.name for layer in self.layers]
dragged_layer_exists = self._drag_name in names
if self._drag_name is not None and dragged_layer_exists:
index = self.layers.index(self._drag_name)
layer = self.layers[index]
self._ensure_visible(layer)
def mouseMoveEvent(self, event):
distance = (event.pos() - self.dragStartPosition).manhattanLength()
if distance < QApplication.startDragDistance():
return
mimeData = QMimeData()
if not self.layer.selected:
name = self.layer.name
else:
name = ''
for layer in self.layer.viewer.layers:
if layer.selected:
name = layer.name + '; ' + name
name = name[:-2]
mimeData.setText(name)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
dropAction = drag.exec_(Qt.MoveAction | Qt.CopyAction)
if dropAction == Qt.CopyAction:
if not self.layer.selected:
index = self.layer.viewer.layers.index(self.layer)
self.layer.viewer.layers.pop(index)
else:
self.layer.viewer.layers.remove_selected()
def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
drag = QDrag(event.widget())
mime = QMimeData()
mime.setText(str(self.id))
drag.setMimeData(mime)
# self.setCursor(Qt.ClosedHandCursor)
drag.exec_()
def mouseMoveEvent(self, event):
from qtpy.QtCore import QMimeData, QByteArray
from qtpy.QtGui import QPixmap, QDrag
if not (event.button() != Qt.LeftButton
and isinstance(self.dragLabel, QLabel)):
return
if (event.pos() - self.dragStartPosition
).manhattanLength() < QApplication.startDragDistance():
return
axis_index = self.filters_layout.indexOf(self.dragLabel) // 2
# prepare hotSpot, mimeData and pixmap objects
mimeData = QMimeData()
mimeData.setText(self.dragLabel.text())
mimeData.setData("application/x-axis-index",
QByteArray.number(axis_index))
pixmap = QPixmap(self.dragLabel.size())
self.dragLabel.render(pixmap)
# prepare drag object
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(event.pos() - self.dragStartPosition)
drag.exec_(Qt.MoveAction | Qt.CopyAction, Qt.CopyAction)
def mouseMoveEvent(self, _event):
item = self.currentItem()
if item is not None:
reaction: cobra.Reaction = item.data(3, 0)
mime_data = QMimeData()
mime_data.setText(reaction.id)
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
def eventFilter(self, source, event):
if isinstance(source, QListView):
if event.type() == QEvent.KeyPress and event.key() == Qt.Key_C and event.modifiers() & Qt.ControlModifier:
rows = sorted(source.selectionModel().selectedRows())
data = QMimeData()
data.setText("\n".join(str(source.model().data(row)) for row in rows))
QApplication.instance().clipboard().setMimeData(data)
return True
return False
def mouseMoveEvent(self, event):
position = np.array([event.pos().x(), event.pos().y()])
distance = np.linalg.norm(position - self.drag_start_position)
if (distance < QApplication.startDragDistance()
or self.drag_name is None):
return
mimeData = QMimeData()
mimeData.setText(self.drag_name)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
dropAction = drag.exec_()
def mimeData(self, indexes):
# type: (List[QModelIndex])
"""Function used for preparing tree data for drag+drop. Preserves the hierarchy of the dropped item.
"""
mimedata = QMimeData()
item = self.getItem(indexes[0])
# track representations and hierarchal relationships
hierarchy_builder = MimeHierarchyTool()
hierarchy_rep = hierarchy_builder.build_config(item)
data = json.dumps(hierarchy_rep)
mimedata.setText(data)
return mimedata
def mouseMoveEvent(self, event):
position = np.array([event.pos().x(), event.pos().y()])
distance = np.linalg.norm(position - self.drag_start_position)
if (distance < QApplication.startDragDistance()
or self.drag_name is None):
return
mimeData = QMimeData()
mimeData.setText(self.drag_name)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
drag.exec_()
if self.drag_name is not None:
index = self.layers.index(self.drag_name)
layer = self.layers[index]
self._ensure_visible(layer)
def mimeData(self, indexes):
mimedata = QMimeData()
mimedata.setText(str(indexes[0].row()))
return mimedata
