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()
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()
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
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)
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)
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
def map_to_viewport(view: QGraphicsView, item: QGraphicsItem,
point: QPointF) -> QPoint:
point = item.mapToScene(point)
return view.mapFromScene(point)