44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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PlotWidget.py - Convenience class--GraphicsView widget displaying a single PlotItem
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Copyright 2010 Luke Campagnola
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Distributed under MIT/X11 license. See license.txt for more infomation.
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"""
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from GraphicsView import *
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from PlotItem import *
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import exceptions
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class PlotWidget(GraphicsView):
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"""Widget implementing a graphicsView with a single PlotItem inside."""
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def __init__(self, parent=None):
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GraphicsView.__init__(self, parent)
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self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
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self.enableMouse(False)
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self.plotItem = PlotItem()
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self.setCentralItem(self.plotItem)
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## Explicitly wrap methods from plotItem
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for m in ['addItem', 'autoRange', 'clear']:
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setattr(self, m, getattr(self.plotItem, m))
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QtCore.QObject.connect(self.plotItem, QtCore.SIGNAL('viewChanged'), self.viewChanged)
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def __getattr__(self, attr): ## implicitly wrap methods from plotItem
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if hasattr(self.plotItem, attr):
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m = getattr(self.plotItem, attr)
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if hasattr(m, '__call__'):
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return m
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raise exceptions.NameError(attr)
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def viewChanged(self, *args):
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self.emit(QtCore.SIGNAL('viewChanged'), *args)
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def widgetGroupInterface(self):
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return (None, PlotWidget.saveState, PlotWidget.restoreState)
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def saveState(self):
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return self.plotItem.saveState()
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def restoreState(self, state):
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return self.plotItem.restoreState(state)
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