def __init__(
            self,
            item: QGraphicsItem,
            parent: Optional[QGraphicsLayoutItem] = None,
            anchor=(0., 0.),
            anchorItem=(0., 0.),
            resizeContents=False,
            aspectMode=Qt.IgnoreAspectRatio,
            **kwargs
    ) -> None:
        sizePolicy: Optional[QSizePolicy] = kwargs.pop("sizePolicy", None)
        super().__init__(parent, **kwargs)
        self.__anchorThis = anchor
        self.__anchorItem = anchorItem
        self.__resizeContents = resizeContents
        self.__aspectMode = aspectMode
        self.__transform = None  # type: Optional[QGraphicsScale]
        self.__scale = (Fraction(1), Fraction(1))

        if resizeContents:
            self.__transform = QGraphicsScale()
            trs = item.transformations()
            item.setTransformations(trs + [self.__transform])
        self.item = item
        self.setGraphicsItem(item)
        if sizePolicy is not None:
            self.setSizePolicy(sizePolicy)
        self.__layout()
Exemple #2
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    def __init__(self, parent=None, icon=None, iconSize=None, **kwargs):
        QGraphicsItem.__init__(self, parent, **kwargs)
        self.setFlag(QGraphicsItem.ItemUsesExtendedStyleOption, True)

        if icon is None:
            icon = QIcon()

        if iconSize is None:
            style = QApplication.instance().style()
            size = style.pixelMetric(style.PM_LargeIconSize)
            iconSize = QSize(size, size)

        self.__transformationMode = Qt.SmoothTransformation

        self.__iconSize = QSize(iconSize)
        self.__icon = QIcon(icon)

        self._opacity = 1
        self.anim = QPropertyAnimation(self, b"opacity")
        self.anim.setDuration(350)
        self.anim.setStartValue(1)
        self.anim.setKeyValueAt(0.5, 0)
        self.anim.setEndValue(1)
        self.anim.setEasingCurve(QEasingCurve.OutQuad)
        self.anim.setLoopCount(5)
def qgraphicsitem_style(item: QGraphicsItem) -> QStyle:
    if item.isWidget():
        return item.style()
    parent = item.parentWidget()
    if parent is not None:
        return parent.style()
    scene = item.scene()
    if scene is not None:
        return scene.style()
    return QApplication.style()
Exemple #4
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    def __init__(self,
                 id,
                 title='',
                 title_above=False,
                 title_location=AxisMiddle,
                 line=None,
                 arrows=0,
                 plot=None,
                 bounds=None):
        QGraphicsItem.__init__(self)
        self.setFlag(QGraphicsItem.ItemHasNoContents)
        self.setZValue(AxisZValue)
        self.id = id
        self.title = title
        self.title_location = title_location
        self.data_line = line
        self.plot = plot
        self.graph_line = None
        self.size = None
        self.scale = None
        self.tick_length = (10, 5, 0)
        self.arrows = arrows
        self.title_above = title_above
        self.line_item = QGraphicsLineItem(self)
        self.title_item = QGraphicsTextItem(self)
        self.end_arrow_item = None
        self.start_arrow_item = None
        self.show_title = False
        self.scale = None
        path = QPainterPath()
        path.setFillRule(Qt.WindingFill)
        path.moveTo(0, 3.09)
        path.lineTo(0, -3.09)
        path.lineTo(9.51, 0)
        path.closeSubpath()
        self.arrow_path = path
        self.label_items = []
        self.label_bg_items = []
        self.tick_items = []
        self._ticks = []
        self.zoom_transform = QTransform()
        self.labels = None
        self.values = None
        self._bounds = bounds
        self.auto_range = None
        self.auto_scale = True

        self.zoomable = False
        self.update_callback = None
        self.max_text_width = 50
        self.text_margin = 5
        self.always_horizontal_text = False
Exemple #5
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    def __init__(self, parent=None, icon=None, iconSize=None, **kwargs):
        QGraphicsItem.__init__(self, parent, **kwargs)
        self.setFlag(QGraphicsItem.ItemUsesExtendedStyleOption, True)

        if icon is None:
            icon = QIcon()

        if iconSize is None:
            style = QApplication.instance().style()
            size = style.pixelMetric(style.PM_LargeIconSize)
            iconSize = QSize(size, size)

        self.__transformationMode = Qt.SmoothTransformation

        self.__iconSize = QSize(iconSize)
        self.__icon = QIcon(icon)
Exemple #6
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    def __init__(self, parent=None, icon=None, iconSize=None, **kwargs):
        QGraphicsItem.__init__(self, parent, **kwargs)
        self.setFlag(QGraphicsItem.ItemUsesExtendedStyleOption, True)

        if icon is None:
            icon = QIcon()

        if iconSize is None:
            style = QApplication.instance().style()
            size = style.pixelMetric(style.PM_LargeIconSize)
            iconSize = QSize(size, size)

        self.__transformationMode = Qt.SmoothTransformation

        self.__iconSize = QSize(iconSize)
        self.__icon = QIcon(icon)
Exemple #7
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    def __init__(self, id, title='', title_above=False, title_location=AxisMiddle,
                 line=None, arrows=0, plot=None, bounds=None):
        QGraphicsItem.__init__(self)
        self.setFlag(QGraphicsItem.ItemHasNoContents)
        self.setZValue(AxisZValue)
        self.id = id
        self.title = title
        self.title_location = title_location
        self.data_line = line
        self.plot = plot
        self.graph_line = None
        self.size = None
        self.scale = None
        self.tick_length = (10, 5, 0)
        self.arrows = arrows
        self.title_above = title_above
        self.line_item = QGraphicsLineItem(self)
        self.title_item = QGraphicsTextItem(self)
        self.end_arrow_item = None
        self.start_arrow_item = None
        self.show_title = False
        self.scale = None
        path = QPainterPath()
        path.setFillRule(Qt.WindingFill)
        path.moveTo(0, 3.09)
        path.lineTo(0, -3.09)
        path.lineTo(9.51, 0)
        path.closeSubpath()
        self.arrow_path = path
        self.label_items = []
        self.label_bg_items = []
        self.tick_items = []
        self._ticks = []
        self.zoom_transform = QTransform()
        self.labels = None
        self.values = None
        self._bounds = bounds
        self.auto_range = None
        self.auto_scale = True

        self.zoomable = False
        self.update_callback = None
        self.max_text_width = 50
        self.text_margin = 5
        self.always_horizontal_text = False
Exemple #8
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def map_to_viewport(view: QGraphicsView, item: QGraphicsItem,
                    point: QPointF) -> QPoint:
    point = item.mapToScene(point)
    return view.mapFromScene(point)