45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
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from pyqtgraph.Qt import QtGui, QtCore
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from pyqtgraph.GraphicsScene import GraphicsScene
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from GraphicsItemMethods import GraphicsItemMethods
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__all__ = ['GraphicsWidget']
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class GraphicsWidget(GraphicsItemMethods, QtGui.QGraphicsWidget):
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def __init__(self, *args, **kargs):
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"""
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Extends QGraphicsWidget with several helpful methods and workarounds for PyQt bugs.
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Most of the extra functionality is inherited from GraphicsObjectSuperclass.
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"""
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QtGui.QGraphicsWidget.__init__(self, *args, **kargs)
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GraphicsItemMethods.__init__(self)
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GraphicsScene.registerObject(self) ## workaround for pyqt bug in graphicsscene.items()
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#def getMenu(self):
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#pass
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def setFixedHeight(self, h):
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self.setMaximumHeight(h)
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self.setMinimumHeight(h)
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def setFixedWidth(self, h):
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self.setMaximumWidth(h)
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self.setMinimumWidth(h)
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def height(self):
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return self.geometry().height()
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def width(self):
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return self.geometry().width()
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def boundingRect(self):
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br = self.mapRectFromParent(self.geometry()).normalized()
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#print "bounds:", br
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return br
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def shape(self): ## No idea why this is necessary, but rotated items do not receive clicks otherwise.
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p = QtGui.QPainterPath()
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p.addRect(self.boundingRect())
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#print "shape:", p.boundingRect()
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return p
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