80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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MultiPlotWidget.py - Convenience class--GraphicsView widget displaying a MultiPlotItem
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Copyright 2010 Luke Campagnola
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Distributed under MIT/X11 license. See license.txt for more information.
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"""
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from ..Qt import QtCore
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from .GraphicsView import GraphicsView
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from ..graphicsItems import MultiPlotItem as MultiPlotItem
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__all__ = ['MultiPlotWidget']
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class MultiPlotWidget(GraphicsView):
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"""Widget implementing a :class:`~pyqtgraph.GraphicsView` with a single
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:class:`~pyqtgraph.MultiPlotItem` inside."""
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def __init__(self, parent=None):
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self.minPlotHeight = 50
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self.mPlotItem = MultiPlotItem.MultiPlotItem()
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GraphicsView.__init__(self, parent)
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self.enableMouse(False)
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self.setCentralItem(self.mPlotItem)
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## Explicitly wrap methods from mPlotItem
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#for m in ['setData']:
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#setattr(self, m, getattr(self.mPlotItem, m))
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self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAsNeeded)
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self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAsNeeded)
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def __getattr__(self, attr): ## implicitly wrap methods from plotItem
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if hasattr(self.mPlotItem, attr):
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m = getattr(self.mPlotItem, attr)
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if hasattr(m, '__call__'):
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return m
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raise AttributeError(attr)
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def setMinimumPlotHeight(self, min):
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"""Set the minimum height for each sub-plot displayed.
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If the total height of all plots is greater than the height of the
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widget, then a scroll bar will appear to provide access to the entire
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set of plots.
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Added in version 0.9.9
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"""
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self.minPlotHeight = min
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self.resizeEvent(None)
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def widgetGroupInterface(self):
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return (None, MultiPlotWidget.saveState, MultiPlotWidget.restoreState)
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def saveState(self):
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return {}
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#return self.plotItem.saveState()
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def restoreState(self, state):
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pass
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#return self.plotItem.restoreState(state)
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def close(self):
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self.mPlotItem.close()
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self.mPlotItem = None
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self.setParent(None)
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GraphicsView.close(self)
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def setRange(self, *args, **kwds):
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GraphicsView.setRange(self, *args, **kwds)
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if self.centralWidget is not None:
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r = self.range
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minHeight = len(self.mPlotItem.plots) * self.minPlotHeight
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if r.height() < minHeight:
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r.setHeight(minHeight)
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r.setWidth(r.width() - self.verticalScrollBar().width())
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self.centralWidget.setGeometry(r)
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def resizeEvent(self, ev):
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if self.closed:
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return
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if self.autoPixelRange:
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self.range = QtCore.QRectF(0, 0, self.size().width(), self.size().height())
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MultiPlotWidget.setRange(self, self.range, padding=0, disableAutoPixel=False) ## we do this because some subclasses like to redefine setRange in an incompatible way.
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self.updateMatrix()
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