Python QtGui.QDrag方法代码示例

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [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 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def __init__(self, parent=None):
        super(DragButton, self).__init__(parent)

    # def mouseMoveEvent(self, event):
        # self.startDrag()
        # QtWidgets.QToolButton.mouseMoveEvent(self, event)

    # def startDrag(self):
        # if self.icon().isNull():
        #     return
        # data = QtCore.QByteArray()
        # stream = QtCore.QDataStream(data, QtCore.QIODevice.WriteOnly)
        # stream << self.icon()
        # mimeData = QtCore.QMimeData()
        # mimeData.setData("application/x-equipment", data)
        # drag = QtGui.QDrag(self)
        # drag.setMimeData(mimeData)
        # pixmap = self.icon().pixmap(24, 24)
        # drag.setHotSpot(QtCore.QPoint(12, 12))
        # drag.setPixmap(pixmap)
        # drag.exec_(QtCore.Qt.CopyAction) 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mouseMoveEvent(self, mouseEvent):
        """
        Executed when the mouse if moved while a button is being pressed.
        :type mouseEvent: QMouseEvent
        """
        if mouseEvent.buttons() & QtCore.Qt.LeftButton:
            if Item.ConceptNode <= self.item < Item.InclusionEdge:
                distance = (mouseEvent.pos() - self.startPos).manhattanLength()
                if distance >= QtWidgets.QApplication.startDragDistance():
                    mimeData = QtCore.QMimeData()
                    mimeData.setText(str(self.item.value))
                    drag = QtGui.QDrag(self)
                    drag.setMimeData(mimeData)
                    drag.setPixmap(self.icon().pixmap(60, 40))
                    drag.setHotSpot(self.startPos - self.rect().topLeft())
                    drag.exec_(QtCore.Qt.CopyAction)

        super().mouseMoveEvent(mouseEvent) 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):

        child = self.childAt(event.pos())
        if not child:
            return

        mimeData = QMimeData()
        mimeData.setText(child.type)

        logging.debug('mousePressEvent() called: {}'.format(event.pos()))
        drag = QDrag(self)
        drag.setPixmap(child.pixmap())
        drag.setMimeData(mimeData)
        drag.setHotSpot(event.pos() - child.pos())

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

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):
            
        logging.debug('ElementMaster::mousePressEvent() called')
        # uncomment this for debugging purpose
        #self.listChild()

        if event.buttons() != Qt.LeftButton:
            return

        icon = QLabel()

        mimeData = QMimeData()
        mime_text = str(self.row) + str(self.column) + str(self.__class__.__name__)
        mimeData.setText(mime_text)

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

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

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def startDrag(self, supportedActions):
        items = self.selectedItems()
        drag = QDrag(self)
        mimeData = self.mimeData(items)
        # 由于QMimeData只能设置image、urls、str、bytes等等不方便
        # 这里添加一个额外的属性直接把item放进去,后面可以根据item取出数据
        mimeData.setProperty('myItems', items)
        drag.setMimeData(mimeData)
        pixmap = QPixmap(self.viewport().visibleRegion().boundingRect().size())
        pixmap.fill(Qt.transparent)
        painter = QPainter()
        painter.begin(pixmap)
        for item in items:
            rect = self.visualRect(self.indexFromItem(item))
            painter.drawPixmap(rect, self.viewport().grab(rect))
        painter.end()
        drag.setPixmap(pixmap)
        drag.setHotSpot(self.viewport().mapFromGlobal(QCursor.pos()))
        drag.exec_(supportedActions) 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mouseMoveEvent(self, e):

        if e.buttons() != Qt.RightButton: # 只操作右键事件
            return

        mimeData = QMimeData()

        drag = QDrag(self)  # 创建一个QDrag对象，用来传输MIME-based数据
        drag.setMimeData(mimeData)
        drag.setHotSpot(e.pos() - self.rect().topLeft())

        dropAction = drag.exec_(Qt.MoveAction) 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):
        # retrieve the label 
        child = self.childAt(event.pos())
        
        if not child:
            return
        
        self.controller.mode = 'selection'
        # update the creation mode to the appropriate subtype
        self.controller.creation_mode = child.subtype
        
        pixmap = QPixmap(child.pixmap().scaled(
                                            QSize(50, 50), 
                                            Qt.KeepAspectRatio,
                                            Qt.SmoothTransformation
                                            ))

        mime_data = QtCore.QMimeData()
        mime_data.setData('application/x-dnditemdata', QtCore.QByteArray())

        drag = QtGui.QDrag(self)
        drag.setMimeData(mime_data)
        drag.setPixmap(pixmap)
        drag.setHotSpot(event.pos() - child.pos() + QPoint(-3, -10))

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

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):
        # retrieve the label 
        child = self.childAt(event.pos())
        if not child:
            return
        
        self.controller.mode = 'selection'
        # update the creation mode to the appropriate subtype
        self.controller.creation_mode = child.subtype
        # we change the view if necessary:
        # if it is a site, we switch the site view
        # if it is anything else and we are in the site view, we switch 
        # to the network view
        if child.subtype == 'site':
            self.project.show_site_view()
        else:
            if self.project.view_type == 'site':
                self.project.show_network_view()
        
        pixmap = QPixmap(child.pixmap().scaled(
                                            QSize(50, 50), 
                                            Qt.KeepAspectRatio,
                                            Qt.SmoothTransformation
                                            ))

        mime_data = QtCore.QMimeData()
        mime_data.setData('application/x-dnditemdata', QtCore.QByteArray())

        drag = QtGui.QDrag(self)
        drag.setMimeData(mime_data)
        drag.setPixmap(pixmap)
        drag.setHotSpot(event.pos() - child.pos() + QPoint(-3, -10))

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

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):

        child = self.childAt(event.pos())
        if not child:
            return

        pixmap = QPixmap(child.pixmap())

        mimeData = QMimeData()
        mimeData.setText(child.type)

        drag = QDrag(self)
        drag.setPixmap(child.pixmap())
        drag.setMimeData(mimeData)
        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 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def mousePressEvent(self, event):
        
        logging.debug('DropBox::mousePressEvent() called: {}'.format(event.pos()))
        try:
            mimeData = QMimeData()
            mimeData.setText(self.type)
            # load config into memory tmp_config of storabar
            self.parent.tmp_config = self.config
            self.parent.tmp_element = self
            # push config to active workingarea
            self.parent.loadConfig() 
        except Exception as e:
            logging.error('DropBox::mousePressEvent() Exception caught: {}'.format(str(e)))
            return

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

        if drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction) == Qt.MoveAction:
            self.close()
        else:
            self.show()
            self.label.setPixmap(self.label.pixmap())
            logging.debug('DropBox::mousePressEvent() dropped') 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def startDrag(self, supportedActions):
        selected_items = self.selectedItems()

        mimeData = QtCore.QMimeData()

        data = []

        for item in selected_items:

            entry = item.entry

            if entry == (-1, -1):
                info = {
                    "name": item.name,
                    "computation": {},
                }
                info = json.dumps(info).encode("utf-8")
            else:
                info = item.name.encode("utf-8")

            data.append(
                pack(
                    f"<36s3q{len(info)}s",
                    str(item.mdf_uuid).encode("ascii"),
                    entry[0],
                    entry[1],
                    len(info),
                    info,
                )
            )

        mimeData.setData(
            "application/octet-stream-asammdf", QtCore.QByteArray(b"".join(data))
        )

        drag = QtGui.QDrag(self)
        drag.setMimeData(mimeData)
        drag.exec(QtCore.Qt.CopyAction) 

# 需要导入模块: from PyQt5 import QtGui [as 别名]
# 或者: from PyQt5.QtGui import QDrag [as 别名]
def startDrag(self, supportedActions):
        selected_items = self.selectedItems()

        mimeData = QtCore.QMimeData()

        data = []

        for item in selected_items:

            entry = item.entry
            computation = item.computation

            widget = self.itemWidget(item)

            color = widget.color
            unit = widget.unit

            if entry == (-1, -1):
                info = {
                    "name": item.name,
                    "computation": computation,
                    "computed": True,
                    "unit": unit,
                    "color": color,
                }
                info = json.dumps(info).encode("utf-8")
            else:
                info = item.name.encode("utf-8")

            data.append(
                pack(
                    f"<36s3q{len(info)}s",
                    str(item.mdf_uuid).encode("ascii"),
                    entry[0],
                    entry[1],
                    len(info),
                    info,
                )
            )

        mimeData.setData(
            "application/octet-stream-asammdf", QtCore.QByteArray(b"".join(data))
        )

        drag = QtGui.QDrag(self)
        drag.setMimeData(mimeData)
        drag.exec(QtCore.Qt.CopyAction)