Python QDrag.setMimeData方法代码示例

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def mousePressEvent(self, event):
     mime = QMimeData()
     itemData = QByteArray()
     mime.setData('application/x-dnditemdata', itemData)
     drag = QDrag(self)
     drag.setMimeData(mime)
     drag.exec_(Qt.MoveAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def mouseMoveEvent(self, event):
        if QLineF(QPointF(event.screenPos()), QPointF(event.buttonDownScreenPos(Qt.LeftButton))).length() < QApplication.startDragDistance():
            return

        drag = QDrag(event.widget())
        mime = QMimeData()
        drag.setMimeData(mime)

        ColorItem.n += 1
        if ColorItem.n > 2 and qrand() % 3 == 0:
            image = QImage(':/images/head.png')
            mime.setImageData(image)
            drag.setPixmap(QPixmap.fromImage(image).scaled(30,40))
            drag.setHotSpot(QPoint(15, 30))
        else:
            mime.setColorData(self.color)
            mime.setText("#%02x%02x%02x" % (self.color.red(), self.color.green(), self.color.blue()))

            pixmap = QPixmap(34, 34)
            pixmap.fill(Qt.white)

            painter = QPainter(pixmap)
            painter.translate(15, 15)
            painter.setRenderHint(QPainter.Antialiasing)
            self.paint(painter, None, None)
            painter.end()

            pixmap.setMask(pixmap.createHeuristicMask())

            drag.setPixmap(pixmap)
            drag.setHotSpot(QPoint(15, 20))

        drag.exec_()
        self.setCursor(Qt.OpenHandCursor)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def mouseMoveEvent(self, ev):
        if (ev.pos() - self.press_pos).manhattanLength() > 16:
            # print("drag start")

            drag = QDrag(self.controller._gui._window)

            # Create the drag thumbnail
            if False:
                pix = QPixmap(self.tile_rect.width(), self.tile_rect.height())
                painter = QPainter(pix)
                self.paint(painter, None, None)
                painter.end()
                drag.setPixmap(pix)
                drag.setHotSpot(ev.pos().toPoint() - self.tile_rect.topLeft())
            else:
                pix = QPixmap("/usr/share/icons/mate/32x32/actions/gtk-dnd-multiple.png").scaled(48, 48)
                drag.setPixmap(pix)

            if not self.isSelected():
                self.controller.clear_selection()
                self.setSelected(True)

            mime_data = self.controller.selection_to_mimedata(uri_only=True)
            drag.setMimeData(mime_data)

            # Qt does not allow custom drag actions officially. The
            # default drag action value is however carried through
            # even if it's invalid, but cursor changes and signals
            # like actionChanged() misbehave. The DragWidget class is
            # a workaround.
            drag_widget = DragWidget(None)  # noqa: F841

            # this will eat up the mouseReleaseEvent
            drag.exec(Qt.CopyAction | Qt.MoveAction | Qt.LinkAction | 0x40, 0x40)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def mouseMoveEvent(self, event):
        """ If the mouse moves far enough when the left mouse button is held
            down, start a drag and drop operation.
        """
        if not event.buttons() & Qt.LeftButton:
            return

        if (event.pos() - self.dragStartPosition).manhattanLength() \
             < QApplication.startDragDistance():
            return

        if not self.hasImage:
            return

        drag = QDrag(self)
        mimeData = QMimeData()

        output = QByteArray()
        outputBuffer = QBuffer(output)
        outputBuffer.open(QIODevice.WriteOnly)
        self.imageLabel.pixmap().toImage().save(outputBuffer, 'PNG')
        outputBuffer.close()
        mimeData.setData('image/png', output)

        drag.setMimeData(mimeData)
        drag.setPixmap(self.imageLabel.pixmap().scaled(64, 64, Qt.KeepAspectRatio))
        drag.setHotSpot(QPoint(drag.pixmap().width() / 2,
                                      drag.pixmap().height()))
        drag.start()

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def mouseMoveEvent(self, event):
     """
     Protected method to handle mouse move events.
     
     @param event reference to the mouse move event (QMouseEvent)
     """
     if event.buttons() == Qt.MouseButtons(Qt.LeftButton) and \
        (event.pos() - self.__dragStartPos).manhattanLength() > \
             QApplication.startDragDistance():
         drag = QDrag(self)
         mimeData = QMimeData()
         index = self.tabAt(event.pos())
         mimeData.setText(self.tabText(index))
         mimeData.setData("action", b"tab-reordering")
         mimeData.setData("tabbar-id", str(id(self)).encode("utf-8"))
         mimeData.setData(
             "source-index",
             QByteArray.number(self.tabAt(self.__dragStartPos)))
         mimeData.setData(
             "tabwidget-id",
             str(id(self.parentWidget())).encode("utf-8"))
         drag.setMimeData(mimeData)
         if event.modifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier):
             drag.exec_(Qt.DropActions(Qt.CopyAction))
         elif event.modifiers() == Qt.KeyboardModifiers(Qt.NoModifier):
             drag.exec_(Qt.DropActions(Qt.MoveAction))
     super(TabBar, self).mouseMoveEvent(event)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def mousePressEvent(self, event):
        child = self.childAt(event.pos())
        if not child:
            return

        pixmap = QPixmap(child.pixmap())

        itemData = QByteArray()
        dataStream = QDataStream(itemData, QIODevice.WriteOnly)
        dataStream << pixmap << QPoint(event.pos() - child.pos())

        mimeData = QMimeData()
        mimeData.setData('application/x-dnditemdata', itemData)

        drag = QDrag(self)
        drag.setMimeData(mimeData)
        drag.setPixmap(pixmap)
        drag.setHotSpot(event.pos() - child.pos())

        tempPixmap = QPixmap(pixmap)
        painter = QPainter()
        painter.begin(tempPixmap)
        painter.fillRect(pixmap.rect(), QColor(127, 127, 127, 127))
        painter.end()

        child.setPixmap(tempPixmap)

        if drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction) == Qt.MoveAction:
            child.close()
        else:
            child.show()
            child.setPixmap(pixmap)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 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.exec_(Qt.MoveAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def startDrag(self):
        self.mimeData = MimeData()
        self.mimeData.dataRequested.connect(self.createData, Qt.DirectConnection)

        drag = QDrag(self)
        drag.setMimeData(self.mimeData)
        drag.setPixmap(QPixmap(':/images/drag.png'))
        drag.exec_(Qt.CopyAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def mouseMoveEvent(self, e):
     '''
     Luo ratapalsata Mime tiedot, kun sitä liikuttaa
     '''
     mimeData = QMimeData()
     drag = QDrag(e.widget())
     drag.setMimeData(mimeData)
     self.scene.valittu = self
     dropAction = drag.exec_(Qt.MoveAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def mousePressEvent(self, me):
     if me.button() == Qt.LeftButton:
         child = self.find_label()
         if child != None:
             mime_data = QMimeData()
             mime_data.setData('text/plain', child.get_text())
             drag = QDrag(self)
             drag.setMimeData(mime_data)
             #drag.setHotSpot(child.pos())
             drag_action = drag.exec_(Qt.CopyAction | Qt.MoveAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
	def newComponentButtonMousePress(self, componentType, event):
		self.tool = Tool.NewComponent
		self.mouseState = MouseState.Dragging
		self.newComponentType = componentType
		
		newComponentDrag = QDrag(self.view)
		newComponentDrag.setHotSpot(QPoint(self.view.ui.circuitDiagram.blockSideLength / 2, self.view.ui.circuitDiagram.blockSideLength / 2))
		newComponentDrag.setMimeData(QMimeData())
		newComponentDrag.setPixmap(QPixmap(self.view.ui.circuitDiagram.componentTypeToImageName(componentType)).scaled(self.view.ui.circuitDiagram.blockSideLength, self.view.ui.circuitDiagram.blockSideLength))
		newComponentDrag.exec_(Qt.MoveAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def __dragSnapshot(self):
     """
     Private slot handling the dragging of the preview picture.
     """
     drag = QDrag(self)
     mimeData = QMimeData()
     mimeData.setImageData(self.__snapshot)
     drag.setMimeData(mimeData)
     drag.setPixmap(self.preview.pixmap())
     drag.exec_(Qt.CopyAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
def dragFile(widget, filename, icon=None, dropactions=Qt.CopyAction):
    """Starts dragging the given local file from the widget."""
    if icon is None or icon.isNull():
        icon = QFileIconProvider().icon(QFileInfo(filename))
    drag = QDrag(widget)
    data = QMimeData()
    data.setUrls([QUrl.fromLocalFile(filename)])
    drag.setMimeData(data)
    drag.setPixmap(icon.pixmap(32))
    drag.exec_(dropactions)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
 def mouseMoveEvent(self, e):
     modifiers = QApplication.keyboardModifiers()
     if modifiers == Qt.ControlModifier:
         mimeData = QMimeData()
         drag = QDrag(e.widget())
         mimeData.setText("node")
         drag.setMimeData(mimeData)
         drag.exec_(Qt.MoveAction)
         self.ungrabMouse()
     if self.edgeInConstruction != None:
         self.edgeInConstruction.obsUpdate(e.scenePos())

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setMimeData [as 别名]
    def mousePressEvent(self, event):
        if event.button() == Qt.LeftButton:
            self.drag_started.emit(self.mapToParent(event.pos()))
            drag = QDrag(self)
            mimeData = QMimeData()
            mimeData.setText("Move Signal")
            pixmap = QPixmap(self.rect().size())
            self.render(pixmap, QPoint(), QRegion(self.rect()))
            drag.setPixmap(pixmap)

            drag.setMimeData(mimeData)

            drag.exec_()