def dragEnterLeave(widget: QWidget,
mime: QMimeData,
pos=QPoint(),
action=Qt.CopyAction,
buttons=Qt.LeftButton,
modifiers=Qt.NoModifier) -> None:
"""
Simulate a drag/move/leave interaction on the `widget`.
A QDragEnterEvent, QDragMoveEvent and a QDragLeaveEvent are created
and dispatched to the widget.
"""
if pos.isNull():
pos = widget.rect().center()
ev = QDragEnterEvent(pos, action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
ev = QDragMoveEvent(pos, action, mime, buttons, modifiers,
QDragMoveEvent.DragMove)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
ev = QDragLeaveEvent()
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
return
def _drag_enter_event(self, url):
# make sure data does not get garbage collected before it used
self.event_data = data = QMimeData()
data.setUrls([QUrl(url)])
return QDragEnterEvent(
QPoint(0, 0), Qt.MoveAction, data,
Qt.NoButton, Qt.NoModifier)
def _drag_enter_event(self, url):
# make sure data does not get garbage collected before it used
# pylint: disable=attribute-defined-outside-init
self.event_data = data = QMimeData()
data.setUrls([QUrl(url)])
return QDragEnterEvent(QPoint(0, 0), Qt.MoveAction, data, Qt.NoButton,
Qt.NoModifier)
def test_drop(self):
widget = self.widget
with tempfile.TemporaryDirectory() as tmpdir:
urlpath = QUrl.fromLocalFile(tmpdir)
data = QMimeData()
data.setUrls([urlpath])
pos = widget.recent_cb.rect().center()
actions = Qt.LinkAction | Qt.CopyAction
ev = QDragEnterEvent(pos, actions, data, Qt.LeftButton,
Qt.NoModifier)
assert QApplication.sendEvent(widget.recent_cb, ev)
self.assertTrue(ev.isAccepted())
del ev
ev = QDropEvent(pos, actions, data, Qt.LeftButton, Qt.NoModifier,
QDropEvent.Drop)
assert QApplication.sendEvent(widget.recent_cb, ev)
self.assertTrue(ev.isAccepted())
del ev
self.assertEqual(widget.currentPath, urlpath.toLocalFile())
self._startandwait(widget)
self.widget.commit()
def dragDrop(widget: 'QWidget',
mime: QMimeData,
pos: QPoint = QPoint(-1, -1),
action=Qt.CopyAction,
buttons=Qt.LeftButton,
modifiers=Qt.NoModifier) -> bool:
if pos == QPoint(-1, -1):
pos = widget.rect().center()
ev = QDragEnterEvent(pos, action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
if not ev.isAccepted():
return False
ev = QDropEvent(QPointF(pos), action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
return ev.isAccepted()
def test_drop(self):
widget = self.widget
with tempfile.TemporaryDirectory() as tmpdir:
urlpath = QUrl.fromLocalFile(tmpdir)
data = QMimeData()
data.setUrls([urlpath])
pos = widget.recent_cb.rect().center()
actions = Qt.LinkAction | Qt.CopyAction
ev = QDragEnterEvent(pos, actions, data,
Qt.LeftButton, Qt.NoModifier)
assert QApplication.sendEvent(widget.recent_cb, ev)
self.assertTrue(ev.isAccepted())
del ev
ev = QDropEvent(pos, actions, data,
Qt.LeftButton, Qt.NoModifier, QDropEvent.Drop)
assert QApplication.sendEvent(widget.recent_cb, ev)
self.assertTrue(ev.isAccepted())
del ev
self.assertEqual(widget.recent_paths[0].abspath,
urlpath.toLocalFile())
self._startandwait(widget)
self.widget.commit()
def _drag_enter_event(self, variables):
self.event_data = mime = QMimeData()
mime.setProperty("_items", variables)
return QDragEnterEvent(QPoint(0, 0), Qt.MoveAction, mime, Qt.NoButton,
Qt.NoModifier)
def _drag_enter_event(self, variables):
# pylint: disable=attribute-defined-outside-init
self.event_data = mime = QMimeData()
mime.setProperty("_items", variables)
return QDragEnterEvent(QPoint(0, 0), Qt.MoveAction, mime, Qt.NoButton,
Qt.NoModifier)
def dragEnterEvent(self, event: QDragEnterEvent):
if event.source() != self:
self.__disconnected = True
self.model().dataChanged.disconnect(self.__data_changed_cb)
super().dragEnterEvent(event)
def dragDrop(widget: QWidget,
mime: QMimeData,
pos: QPoint = QPoint(),
action=Qt.CopyAction,
buttons=Qt.LeftButton,
modifiers=Qt.NoModifier) -> bool:
"""
Simulate a drag/drop interaction on the `widget`.
A `QDragEnterEvent`, `QDragMoveEvent` and `QDropEvent` are created and
dispatched to the `widget`. However if any of the `QDragEnterEvent` or
`QDragMoveEvent` are not accepted, a `QDragLeaveEvent` is dispatched
to 'reset' the widget state before this function returns `False`
Parameters
----------
widget: QWidget
The target widget.
mime: QMimeData
The mime data associated with the drag/drop.
pos: QPoint
Position of the drop
action: Qt.DropActions
Type of acceptable drop actions
buttons: Qt.MouseButtons:
Pressed mouse buttons.
modifiers: Qt.KeyboardModifiers
Pressed keyboard modifiers.
Returns
-------
state: bool
Were the events accepted.
See Also
--------
QDragEnterEvent, QDropEvent
"""
if pos.isNull():
pos = widget.rect().center()
ev = QDragEnterEvent(pos, action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
ev = QDragMoveEvent(pos, action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
if not ev.isAccepted():
QApplication.sendEvent(widget, QDragLeaveEvent())
return False
ev = QDropEvent(QPointF(pos), action, mime, buttons, modifiers)
ev.setAccepted(False)
QApplication.sendEvent(widget, ev)
return ev.isAccepted()
