def startDrag(self, supported_actions):
        indices = self.selectionModel().selectedIndexes()
        indices = [i for i in indices if i.flags() & Qt.ItemIsDragEnabled]
        if indices:
            data = self.model().mimeData(indices)
            if not data:
                return

            drag = QDrag(self)
            drag.setMimeData(data)

            default_action = Qt.IgnoreAction
            if self.defaultDropAction() != Qt.IgnoreAction and \
                    supported_actions & self.defaultDropAction():
                default_action = self.defaultDropAction()
            elif (supported_actions & Qt.CopyAction
                  and self.dragDropMode() != self.InternalMove):
                default_action = Qt.CopyAction
            res = drag.exec_(supported_actions, default_action)
            if res == Qt.MoveAction:
                selected = self.selectionModel().selectedIndexes()
                rows = list(map(QModelIndex.row, selected))
                for s1, s2 in reversed(list(slices(rows))):
                    delslice(self.model(), s1, s2)
            self.dragDropActionDidComplete.emit(res)
Beispiel #2
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    def startDrag(self, supported_actions):
        indices = self.selectionModel().selectedIndexes()
        indices = [i for i in indices if i.flags() & Qt.ItemIsDragEnabled]
        if indices:
            data = self.model().mimeData(indices)
            if not data:
                return

            drag = QDrag(self)
            drag.setMimeData(data)

            default_action = Qt.IgnoreAction
            if self.defaultDropAction() != Qt.IgnoreAction and \
                    supported_actions & self.defaultDropAction():
                default_action = self.defaultDropAction()
            elif (supported_actions & Qt.CopyAction and
                  self.dragDropMode() != self.InternalMove):
                default_action = Qt.CopyAction
            res = drag.exec_(supported_actions, default_action)
            if res == Qt.MoveAction:
                selected = self.selectionModel().selectedIndexes()
                rows = list(map(QModelIndex.row, selected))
                for s1, s2 in reversed(list(slices(rows))):
                    delslice(self.model(), s1, s2)
            self.dragDropActionDidComplete.emit(res)
Beispiel #3
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    def __onDragStarted(self, index):
        # type: (QModelIndex) -> None
        desc = index.data(QtWidgetRegistry.WIDGET_DESC_ROLE)
        icon = index.data(Qt.DecorationRole)

        drag_data = QMimeData()
        drag_data.setData(
            "application/vnv.orange-canvas.registry.qualified-name",
            desc.qualified_name.encode('utf-8')
        )
        drag = QDrag(self)
        drag.setPixmap(icon.pixmap(38))
        drag.setMimeData(drag_data)

        # TODO: Should animate (accept) hide.
        self.hide()

        # When a drag is started and the menu hidden the item's tool tip
        # can still show for a short time UNDER the cursor preventing a
        # drop.
        viewport = self.__menu.view().viewport()
        filter = ToolTipEventFilter()
        viewport.installEventFilter(filter)

        drag.exec_(Qt.CopyAction)

        viewport.removeEventFilter(filter)
    def __onDragStarted(self, index):
        desc = index.data(QtWidgetRegistry.WIDGET_DESC_ROLE)
        icon = index.data(Qt.DecorationRole)

        drag_data = QMimeData()
        drag_data.setData(
            "application/vnv.orange-canvas.registry.qualified-name",
            desc.qualified_name.encode('utf-8')
        )
        drag = QDrag(self)
        drag.setPixmap(icon.pixmap(38))
        drag.setMimeData(drag_data)

        # TODO: Should animate (accept) hide.
        self.hide()

        # When a drag is started and the menu hidden the item's tool tip
        # can still show for a short time UNDER the cursor preventing a
        # drop.
        viewport = self.__menu.view().viewport()
        filter = ToolTipEventFilter()
        viewport.installEventFilter(filter)

        drag.exec_(Qt.CopyAction)

        viewport.removeEventFilter(filter)
Beispiel #5
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 def __startDrag(self, button):
     """
     Start a drag from button
     """
     action = button.defaultAction()
     desc = action.data()  # Widget Description
     icon = action.icon()
     drag_data = QMimeData()
     drag_data.setData(
         "application/vnv.orange-canvas.registry.qualified-name",
         desc.qualified_name.encode("utf-8"))
     drag = QDrag(button)
     drag.setPixmap(icon.pixmap(self.iconSize()))
     drag.setMimeData(drag_data)
     drag.exec_(Qt.CopyAction)
Beispiel #6
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    def __startInternalDrag(self, frame, hotSpot=None):
        drag = QDrag(self)
        pixmap = QPixmap(frame.size())
        frame.render(pixmap)

        transparent = QPixmap(pixmap.size())
        transparent.fill(Qt.transparent)
        painter = QPainter(transparent)
        painter.setOpacity(0.35)
        painter.drawPixmap(0, 0, pixmap.width(), pixmap.height(), pixmap)
        painter.end()

        drag.setPixmap(transparent)
        if hotSpot is not None:
            drag.setHotSpot(hotSpot)
        mime = QMimeData()
        mime.setData("application/x-internal-move", b"")
        drag.setMimeData(mime)
        return drag.exec(Qt.MoveAction)
Beispiel #7
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    def __startInternalDrag(self, frame, hotSpot=None):
        drag = QDrag(self)
        pixmap = QPixmap(frame.size())
        frame.render(pixmap)

        transparent = QPixmap(pixmap.size())
        transparent.fill(Qt.transparent)
        painter = QPainter(transparent)
        painter.setOpacity(0.35)
        painter.drawPixmap(0, 0, pixmap.width(), pixmap.height(), pixmap)
        painter.end()

        drag.setPixmap(transparent)
        if hotSpot is not None:
            drag.setHotSpot(hotSpot)
        mime = QMimeData()
        mime.setData("application/x-internal-move", b"")
        drag.setMimeData(mime)
        return drag.exec_(Qt.MoveAction)
Beispiel #8
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 def __startDrag(self, button):
     """
     Start a drag from button
     """
     action = button.defaultAction()
     desc = action.data()  # Widget Description
     icon = action.icon()
     drag_data = QMimeData()
     drag_data.setData(
         "application/vnv.orange-canvas.registry.qualified-name",
         desc.qualified_name.encode("utf-8")
     )
     drag = QDrag(button)
     drag.setPixmap(icon.pixmap(self.iconSize()))
     drag.setMimeData(drag_data)
     drag.exec_(Qt.CopyAction)