def startDrag(self, event):
item = self.itemAt(event.scenePos(), self.page_view_transform)
if item is None:
event.ignore()
return
self.item_being_dragged = item.parent
self.remove_component_controller(item.parent)
hotspot = event.scenePos() - item.scenePos()
hot_spot_point = hotspot.toPoint()
hot_spot_point = self.page_view_transform.map(hot_spot_point)
item_data = QByteArray()
data_stream = QDataStream(item_data, QIODevice.WriteOnly)
data_stream << hot_spot_point # pixmap << location
mime_data = QMimeData()
mime_data.setData(config_controller.component_mime, item_data)
drag = QDrag(self)
drag.setMimeData(mime_data)
horizontal_scaling = self.page_view_transform.m11()
logger.info(f"sceneBoundingRect {item.sceneBoundingRect().width()}")
logger.info(
f"sceneBoundingRect {item.sceneBoundingRect().width()*horizontal_scaling}"
)
drag.setPixmap(
item.parent.pixmap.scaledToWidth(item.sceneBoundingRect().width() *
horizontal_scaling))
drag.setHotSpot(hot_spot_point)
result = drag.start(QtCore.Qt.MoveAction)
if result: # == QtCore.Qt.MoveAction:
pass
def mouseMoveEvent(self, event):
"""Start dragging action if needed."""
if not event.buttons() & Qt.LeftButton:
return
if not self.drag_start_pos:
return
if not self.drag_indexes:
return
if (event.pos() - self.drag_start_pos
).manhattanLength() < QApplication.startDragDistance():
return
drag = QDrag(self)
mimeData = QMimeData()
urls = list()
for index in self.drag_indexes:
file_path = index.data(Qt.UserRole)
urls.append(QUrl.fromLocalFile(file_path))
mimeData.setUrls(urls)
drag.setMimeData(mimeData)
icon = self.drag_indexes[0].data(Qt.DecorationRole)
if icon:
pixmap = icon.pixmap(32, 32)
drag.setPixmap(pixmap)
drag.setHotSpot(pixmap.rect().center())
drag.exec_()
def startDrag(self, event: QEvent) -> None:
item = self.currentItem()
if item is None:
event.ignore()
return
self.item_being_dragged = self.takeItem(self.row(item)).parent
hot_spot_point = event.pos()
item_data = QByteArray()
data_stream = QDataStream(item_data, QIODevice.WriteOnly)
data_stream << hot_spot_point # pixmap << location
mime_data = QMimeData()
mime_data.setData(config_controller.component_mime, item_data)
drag = QDrag(self)
pixmap = item.parent.pixmap.scaledToWidth(64)
drag.setHotSpot(QPoint(pixmap.width() / 2, pixmap.height() / 2))
drag.setPixmap(pixmap)
drag.setMimeData(mime_data)
result = drag.start(QtCore.Qt.MoveAction)
if result: # == QtCore.Qt.MoveAction:
pass
def mouseMoveEvent(self, e):
if e.buttons() != Qt.RightButton:
return
mimeData = QMimeData
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(e.pos() - self.rect().topLeft())
dropAction = drag.start(Qt.MoveAction)
def _handle_mouse_press_event_for_dispos(self, ev: QMouseEvent):
if ev.button() != QtCore.Qt.LeftButton:
return
if self.spawns:
self.spawn_selected.emit(self)
mime_data = QMimeData()
mime_data.setData("application/fe14-spawn", b"")
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.setHotSpot(ev.pos())
drag.exec_(QtCore.Qt.MoveAction)
def mouseMoveEvent(self, e):
if e.buttons() != Qt.RightButton: # 联系Qt.Horizontal, 6.08
return
# if-return, 相当于if-else
# 鼠标移动时, 应产生mime数据(拖放中传输的数据)
# 用于QWidget的拖动释放时, 传输mime数据
mimeData = QMimeData()
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(e.pos() - self.rect().topLeft()) # 光标位置
dropAction = drag.exec_(Qt.MoveAction)
def mouseMoveEvent(self, event):
"""Start dragging action if needed"""
if not event.buttons() & Qt.LeftButton:
return
if not self.drag_start_pos:
return
if (event.pos() - self.drag_start_pos
).manhattanLength() < QApplication.startDragDistance():
return
drag = QDrag(self)
mimeData = QMimeData()
mimeData.setText(self.text)
drag.setMimeData(mimeData)
drag.setPixmap(self.pixmap())
drag.setHotSpot(self.pixmap().rect().center())
dropAction = drag.exec_()
def mousePressEvent(self, event):
# call to super needed for selections
super().mousePressEvent(event)
if event.button() == Qt.LeftButton:
drag = QDrag(self)
mimeData = QMimeData()
item = self.itemAt(event.pos())
if item is None:
return
mimeData.setText(item.data(Qt.UserRole)[0]) # should be path to file
drag.setMimeData(mimeData)
# set dragging pixmap
drag.setPixmap(item.icon().pixmap(QSize(160, 120)))
# roughly center the cursor relative to pixmap
drag.setHotSpot(QPoint(60, 60))
dropAction = drag.exec_()
def mouseMoveEvent(self, event):
"""event call when mouse movement (press and move) detected
This is the core of the drag and drop for the element.
The QDrag object will create a the pixel image of the widget
HopSpot is set so that it remains where the grab point is
"""
if event.buttons() == Qt.LeftButton:
drag = QDrag(self)
widget_image = self.grab()
mimedata = QMimeData()
drag.setMimeData(mimedata)
drag.setPixmap(widget_image)
drag.setHotSpot(event.pos() - self.rect().topLeft())
drag.exec_()
super().mouseMoveEvent(event)
def mouseMoveEvent(self, event):
"""Start dragging action if needed"""
super().mouseMoveEvent(event)
if not event.buttons() & Qt.LeftButton:
return
if not self.drag_start_pos:
return
if (event.pos() - self.drag_start_pos
).manhattanLength() < QApplication.startDragDistance():
return
drag = QDrag(self)
drag.setPixmap(self.pixmap)
drag.setMimeData(self.mime_data)
drag.setHotSpot(self.pixmap.rect().center())
self.drag_start_pos = None
self.pixmap = None
self.mime_data = None
self.drag_about_to_start.emit()
drag.exec_()
def mousePressEvent(self, event):
label = self.childAt(event.pos())
if not label:
return
hot_spot = event.pos() - label.pos()
mime_data = QMimeData()
mime_data.setText(label.text())
mime_data.setData("application/x-hotspot", str(hot_spot.x()))
pixmap = QPixmap(label.size())
label.render(pixmap)
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.setPixmap(pixmap)
drag.setHotSpot(hot_spot)
dropAction = drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
if dropAction == Qt.MoveAction:
label.close()
def mouseMoveEvent(self, e):
if e.buttons() != Qt.LeftButton:
return
mimeData = QMimeData()
self.__cursor_x = e.pos().x()
self.__cursor_y = e.pos().y()
drag = QDrag(self)
drag.setMimeData(mimeData)
self.hide()
drag.setPixmap(
self.grab(QRect(2, 2,
self.width() - 3.5,
self.height() - 3.5)))
drag.setHotSpot(e.pos())
dropAction = drag.exec_(Qt.MoveAction)
self.show()
def mousePressEvent(self, event):
hotSpot = event.pos()
mimeData = QMimeData()
mimeData.setText(self.text())
mimeData.setData('application/x-hotspot',
'%d %d' % (hotSpot.x(), hotSpot.y()))
pixmap = QPixmap(self.size())
self.render(pixmap)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(hotSpot)
dropAction = drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
if dropAction == Qt.MoveAction:
self.close()
self.update()
def mousePressEvent(self, event):
hotSpot = event.pos()
mimeData = QMimeData()
mimeData.setText(self.text())
mimeData.setData('application/x-hotspot',
b'%d %d' % (hotSpot.x(), hotSpot.y()))
pixmap = QPixmap(self.size())
self.render(pixmap)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(hotSpot)
dropAction = drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
if dropAction == Qt.MoveAction:
self.close()
self.update()
def startDrag(self, supportedActions):
# We reimplement this to visualize a tooltip instead of entire rows while dragging.
rows = self.selectionModel().selectedRows()
data = self.model().mimeData(rows)
label = QLabel(
str(len(rows)) + " items" if len(rows) > 1 else "1 item")
# Use QPalette.ColorRole?
label.setStyleSheet(
"font-weight: bold; color : white; background-color : black; border: 1px solid grey"
)
pixmap = label.grab()
pixmap.rect().adjust(10, 10, 0, 0)
drag = QDrag(self)
drag.setPixmap(pixmap)
# drag.setDragCursor(pixmap, Qt.CopyAction)
drag.setMimeData(data)
drag.setHotSpot(pixmap.rect().center())
drag.exec_(Qt.CopyAction)
def mouseMoveEvent(self, event):
"""start Drag and prepare for Drop.
:type event: QMoveEvent
マウスを動かした嶺がQApplication.startDragDistance()を超えると、Drag開始されたと認識し、
そのための準備を行う。QMimeDataを使って、データをやりとりする。
"""
if not (event.buttons() & Qt.LeftButton):
return
if (event.pos() - self.dragStartPosition).manhattanLength() \
< QApplication.startDragDistance():
return
if self.isDragging:
indexes = self.selectedIndexes()
urls = self.url_list(indexes)
mimeData = QMimeData()
# mimeData.setData(self.mime_URLS, convert_to_bytearray(urls))
mimeData.setUrls(urls)
file_icon = self.style().standardIcon(QStyle.SP_FileIcon)
pixmap = file_icon.pixmap(32, 32)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(QPoint(0, 0))
dropAction = drag.exec_(Qt.CopyAction | Qt.MoveAction,
Qt.CopyAction)
if dropAction == Qt.MoveAction:
pass
else:
self.rubberBand.setGeometry(
QRect(self.dragStartPosition, event.pos()).normalized())
super(PlaylistView, self).mouseMoveEvent(event)
