Python QDrag.setPixmap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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [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 setPixmap [as 别名]
 def mouseMoveEvent(self, event):
     # if the left mouse button is used
     if self.drag_started:
         data = QByteArray()
         mime_data = QMimeData()
         mime_data.setData(self.mimetext, data)
         drag = QDrag(self) 
         drag.setMimeData(mime_data)
         drag.setPixmap(self.icon.get_icon())
         drag.setHotSpot(self.rect().topLeft())  # where do we drag from
         if drag.exec_(Qt.MoveAction):
             self.parent().icons.remove(self)
             self.deleteLater()

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setPixmap [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_()

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setPixmap [as 别名]
 def mouseMoveEvent(self, evt):
     """
     Protected method to handle mouse move events.
     
     @param evt reference to the event (QMouseEvent)
     """
     if self.__model is None:
         super(E5ModelMenu, self).mouseMoveEvent(evt)
         return
     
     if not (evt.buttons() & Qt.LeftButton):
         super(E5ModelMenu, self).mouseMoveEvent(evt)
         return
     
     manhattanLength = (evt.pos() -
                        self.__dragStartPosition).manhattanLength()
     if manhattanLength <= QApplication.startDragDistance():
         super(E5ModelMenu, self).mouseMoveEvent(evt)
         return
     
     act = self.actionAt(self.__dragStartPosition)
     if act is None:
         super(E5ModelMenu, self).mouseMoveEvent(evt)
         return
     
     idx = self.index(act)
     if not idx.isValid():
         super(E5ModelMenu, self).mouseMoveEvent(evt)
         return
     
     drag = QDrag(self)
     drag.setMimeData(self.__model.mimeData([idx]))
     actionRect = self.actionGeometry(act)
     if qVersion() >= "5.0.0":
         drag.setPixmap(self.grab(actionRect))
     else:
         drag.setPixmap(QPixmap.grabWidget(self, actionRect))
     
     if drag.exec_() == Qt.MoveAction:
         row = idx.row()
         if self.__dropIndex == idx.parent() and self.__dropRow <= row:
             row += 1
         self.__model.removeRow(row, self.__root)
         
         if not self.isAncestorOf(drag.target()):
             self.close()
         else:
             self.aboutToShow.emit()

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setPixmap [as 别名]
 def startDrag(self, mainwin, ev):
     d = mainwin.currentDocument()
     if not d:
         return
     url = d.url()
     if url.isEmpty():
         return
     drag = QDrag(mainwin)
     data = QMimeData()
     data.setUrls([url])
     drag.setMimeData(data)
     pixmap = mainwin.style().standardPixmap(QStyle.SP_FileIcon, 0, mainwin)
     hotspot = QPoint(pixmap.width() - 5, 5)
     drag.setPixmap(pixmap)
     drag.setHotSpot(hotspot)
     drag.start(Qt.LinkAction | Qt.CopyAction)

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setPixmap [as 别名]
 def startDrag(self):
     image = self.image()
     data = QMimeData()
     data.setImageData(image)
     drag = QDrag(self)
     drag.setMimeData(data)
     if max(image.width(), image.height()) > 256:
         image = image.scaled(QSize(256, 256), Qt.KeepAspectRatio, Qt.SmoothTransformation)
     p = QPainter()
     p.begin(image)
     p.setCompositionMode(QPainter.CompositionMode_DestinationIn)
     p.fillRect(image.rect(), QColor(0, 0, 0, 160))
     p.end()
     pixmap = QPixmap.fromImage(image)
     drag.setPixmap(pixmap)
     drag.setHotSpot(pixmap.rect().center())
     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 setPixmap [as 别名]
    def mouseMoveEvent(self, event):
        if (event.buttons() == Qt.LeftButton and
                (event.modifiers() == Qt.ControlModifier or
                 event.modifiers() == Qt.ShiftModifier)):
            mime_data = QMimeData()
            mime_data.setText(PageWidget.DRAG_MAGIC)

            drag = QDrag(self)
            drag.setMimeData(mime_data)
            drag.setPixmap(self.grab(self.rect()))

            if event.modifiers() == Qt.ControlModifier:
                drag.exec_(Qt.MoveAction)
            else:
                drag.exec_(Qt.CopyAction)

            event.accept()
        else:
            event.ignore()

# 需要导入模块: from PyQt5.QtGui import QDrag [as 别名]
# 或者: from PyQt5.QtGui.QDrag import setPixmap [as 别名]
    def mousePressEvent(self, event):
        itemData = QByteArray()
        dataStream = QDataStream(itemData, QIODevice.WriteOnly)
        dataStream << QByteArray(self.labelText) << QPoint(event.pos() - self.rect().topLeft())

        mimeData = QMimeData()
        mimeData.setData("application/x-fridgemagnet", itemData)
        mimeData.setText(self.labelText)

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

        self.hide()

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