Source code for pyqtgraph.widgets.MultiPlotWidget

# -*- coding: utf-8 -*-
"""
MultiPlotWidget.py -  Convenience class--GraphicsView widget displaying a MultiPlotItem
Copyright 2010  Luke Campagnola
Distributed under MIT/X11 license. See license.txt for more infomation.
"""
from ..Qt import QtCore
from .GraphicsView import GraphicsView
from ..graphicsItems import MultiPlotItem as MultiPlotItem

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