91 lines
3.7 KiB
Python
91 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
PlotWidget.py - Convenience class--GraphicsView widget displaying a single PlotItem
|
|
Copyright 2010 Luke Campagnola
|
|
Distributed under MIT/X11 license. See license.txt for more infomation.
|
|
"""
|
|
|
|
from pyqtgraph.Qt import QtCore, QtGui
|
|
from .GraphicsView import *
|
|
from pyqtgraph.graphicsItems.PlotItem import *
|
|
|
|
__all__ = ['PlotWidget']
|
|
class PlotWidget(GraphicsView):
|
|
|
|
#sigRangeChanged = QtCore.Signal(object, object) ## already defined in GraphicsView
|
|
|
|
"""
|
|
:class:`GraphicsView <pyqtgraph.GraphicsView>` widget with a single
|
|
:class:`PlotItem <pyqtgraph.PlotItem>` inside.
|
|
|
|
The following methods are wrapped directly from PlotItem:
|
|
:func:`addItem <pyqtgraph.PlotItem.addItem>`,
|
|
:func:`removeItem <pyqtgraph.PlotItem.removeItem>`,
|
|
:func:`clear <pyqtgraph.PlotItem.clear>`,
|
|
:func:`setXRange <pyqtgraph.ViewBox.setXRange>`,
|
|
:func:`setYRange <pyqtgraph.ViewBox.setYRange>`,
|
|
:func:`setRange <pyqtgraph.ViewBox.setRange>`,
|
|
:func:`autoRange <pyqtgraph.ViewBox.autoRange>`,
|
|
:func:`setXLink <pyqtgraph.ViewBox.setXLink>`,
|
|
:func:`setYLink <pyqtgraph.ViewBox.setYLink>`,
|
|
:func:`viewRect <pyqtgraph.ViewBox.viewRect>`,
|
|
:func:`setMouseEnabled <pyqtgraph.ViewBox.setMouseEnabled>`,
|
|
:func:`enableAutoRange <pyqtgraph.ViewBox.enableAutoRange>`,
|
|
:func:`disableAutoRange <pyqtgraph.ViewBox.disableAutoRange>`,
|
|
:func:`setAspectLocked <pyqtgraph.ViewBox.setAspectLocked>`,
|
|
:func:`register <pyqtgraph.ViewBox.register>`,
|
|
:func:`unregister <pyqtgraph.ViewBox.unregister>`
|
|
|
|
|
|
For all
|
|
other methods, use :func:`getPlotItem <pyqtgraph.PlotWidget.getPlotItem>`.
|
|
"""
|
|
def __init__(self, parent=None, **kargs):
|
|
"""When initializing PlotWidget, all keyword arguments except *parent* are passed
|
|
to :func:`PlotItem.__init__() <pyqtgraph.PlotItem.__init__>`."""
|
|
GraphicsView.__init__(self, parent)
|
|
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
|
|
self.enableMouse(False)
|
|
self.plotItem = PlotItem(**kargs)
|
|
self.setCentralItem(self.plotItem)
|
|
## Explicitly wrap methods from plotItem
|
|
## NOTE: If you change this list, update the documentation above as well.
|
|
for m in ['addItem', 'removeItem', 'autoRange', 'clear', 'setXRange', 'setYRange', 'setRange', 'setAspectLocked', 'setMouseEnabled', 'setXLink', 'setYLink', 'enableAutoRange', 'disableAutoRange', 'register', 'unregister', 'viewRect']:
|
|
setattr(self, m, getattr(self.plotItem, m))
|
|
#QtCore.QObject.connect(self.plotItem, QtCore.SIGNAL('viewChanged'), self.viewChanged)
|
|
self.plotItem.sigRangeChanged.connect(self.viewRangeChanged)
|
|
|
|
def close(self):
|
|
self.plotItem.close()
|
|
self.plotItem = None
|
|
#self.scene().clear()
|
|
#self.mPlotItem.close()
|
|
self.setParent(None)
|
|
GraphicsView.close(self)
|
|
|
|
def __getattr__(self, attr): ## implicitly wrap methods from plotItem
|
|
if hasattr(self.plotItem, attr):
|
|
m = getattr(self.plotItem, attr)
|
|
if hasattr(m, '__call__'):
|
|
return m
|
|
raise NameError(attr)
|
|
|
|
def viewRangeChanged(self, view, range):
|
|
#self.emit(QtCore.SIGNAL('viewChanged'), *args)
|
|
self.sigRangeChanged.emit(self, range)
|
|
|
|
def widgetGroupInterface(self):
|
|
return (None, PlotWidget.saveState, PlotWidget.restoreState)
|
|
|
|
def saveState(self):
|
|
return self.plotItem.saveState()
|
|
|
|
def restoreState(self, state):
|
|
return self.plotItem.restoreState(state)
|
|
|
|
def getPlotItem(self):
|
|
"""Return the PlotItem contained within."""
|
|
return self.plotItem
|
|
|
|
|
|
|