Added new examples
This commit is contained in:
Luke Campagnola
parent
ce5fef9675
commit
5644a17045
30
examples/ColorButton.py
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30
examples/ColorButton.py
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# -*- coding: utf-8 -*-
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import initExample ## Add path to library (just for examples; you do not need this)
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"""
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Simple example demonstrating a button which displays a colored rectangle
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and allows the user to select a new color by clicking on the button.
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"""
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtCore, QtGui
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import numpy as np
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app = QtGui.QApplication([])
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win = QtGui.QMainWindow()
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btn = pg.ColorButton()
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win.setCentralWidget(btn)
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win.show()
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def change(btn):
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print("change", btn.color())
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def done(btn):
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print("done", btn.color())
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btn.sigColorChanging.connect(change)
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btn.sigColorChanged.connect(done)
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## Start Qt event loop unless running in interactive mode or using pyside.
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import sys
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if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
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QtGui.QApplication.instance().exec_()
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35
examples/DataTreeWidget.py
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35
examples/DataTreeWidget.py
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# -*- coding: utf-8 -*-
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"""
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Simple use of DataTreeWidget to display a structure of nested dicts, lists, and arrays
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"""
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import initExample ## Add path to library (just for examples; you do not need this)
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtCore, QtGui
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import numpy as np
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app = QtGui.QApplication([])
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d = {
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'list1': [1,2,3,4,5,6, {'nested1': 'aaaaa', 'nested2': 'bbbbb'}, "seven"],
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'dict1': {
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'x': 1,
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'y': 2,
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'z': 'three'
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},
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'array1 (20x20)': np.ones((10,10))
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}
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tree = pg.DataTreeWidget(data=d)
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tree.show()
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tree.resize(600,600)
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## Start Qt event loop unless running in interactive mode or using pyside.
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import sys
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if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
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QtGui.QApplication.instance().exec_()
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@ -62,12 +62,17 @@ update(rois[-1])
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text = """Extraction of traces from image data"""
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text = """User-Modifiable ROIs<br>
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Click on a line segment to add a new handle.
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Right click on a handle to remove.
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"""
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w2 = w.addLayout(row=0, col=1)
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label2 = w2.addLabel(text, row=0, col=0)
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v2a = w2.addViewBox(row=1, col=0, lockAspect=True)
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v2b = w2.addPlot(row=2, col=0)
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r2a = pg.PolyLineROI([[0,0], [10,10], [10,30], [30,10]], closed=True)
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v2a.addItem(r2a)
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r2b = pg.PolyLineROI([[0,-20], [10,-10], [10,-30]], closed=False)
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v2a.addItem(r2b)
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text = """Building custom ROI types<Br>
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ROIs can be built with a variety of different handle types<br>
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42
examples/ScatterPlotSpeedTestTemplate.py
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42
examples/ScatterPlotSpeedTestTemplate.py
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# -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file 'ScatterPlotSpeedTestTemplate.ui'
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#
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# Created: Tue May 8 23:09:16 2012
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# by: PyQt4 UI code generator 4.8.5
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#
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# WARNING! All changes made in this file will be lost!
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from PyQt4 import QtCore, QtGui
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try:
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_fromUtf8 = QtCore.QString.fromUtf8
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except AttributeError:
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_fromUtf8 = lambda s: s
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class Ui_Form(object):
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def setupUi(self, Form):
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Form.setObjectName(_fromUtf8("Form"))
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Form.resize(400, 300)
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Form.setWindowTitle(QtGui.QApplication.translate("Form", "Form", None, QtGui.QApplication.UnicodeUTF8))
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self.gridLayout = QtGui.QGridLayout(Form)
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self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
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self.plot = PlotWidget(Form)
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self.plot.setObjectName(_fromUtf8("plot"))
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self.gridLayout.addWidget(self.plot, 0, 0, 1, 2)
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self.identicalCheck = QtGui.QCheckBox(Form)
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self.identicalCheck.setText(QtGui.QApplication.translate("Form", "Identical", None, QtGui.QApplication.UnicodeUTF8))
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self.identicalCheck.setObjectName(_fromUtf8("identicalCheck"))
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self.gridLayout.addWidget(self.identicalCheck, 1, 0, 1, 1)
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self.pixelModeCheck = QtGui.QCheckBox(Form)
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self.pixelModeCheck.setText(QtGui.QApplication.translate("Form", "pixel mode", None, QtGui.QApplication.UnicodeUTF8))
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self.pixelModeCheck.setObjectName(_fromUtf8("pixelModeCheck"))
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self.gridLayout.addWidget(self.pixelModeCheck, 1, 1, 1, 1)
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self.retranslateUi(Form)
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QtCore.QMetaObject.connectSlotsByName(Form)
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def retranslateUi(self, Form):
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pass
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from pyqtgraph import PlotWidget
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105
examples/SpinBox.py
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105
examples/SpinBox.py
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# -*- coding: utf-8 -*-
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import initExample ## Add path to library (just for examples; you do not need this)
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtCore, QtGui
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import numpy as np
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app = QtGui.QApplication([])
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spins = [
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("Floating-point spin box, min=0, no maximum.", pg.SpinBox(value=5.0, bounds=[0, None])),
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("Integer spin box, dec stepping<br>(1-9, 10-90, 100-900, etc)", pg.SpinBox(value=10, int=True, dec=True, minStep=1, step=1)),
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("Float with SI-prefixed units<br>(n, u, m, k, M, etc)", pg.SpinBox(value=0.9, suffix='V', siPrefix=True)),
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("Float with SI-prefixed units,<br>dec step=0.1, minStep=0.1", pg.SpinBox(value=1.0, suffix='V', siPrefix=True, dec=True, step=0.1, minStep=0.1)),
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("Float with SI-prefixed units,<br>dec step=0.5, minStep=0.01", pg.SpinBox(value=1.0, suffix='V', siPrefix=True, dec=True, step=0.5, minStep=0.01)),
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("Float with SI-prefixed units,<br>dec step=1.0, minStep=0.001", pg.SpinBox(value=1.0, suffix='V', siPrefix=True, dec=True, step=1.0, minStep=0.001)),
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]
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win = QtGui.QMainWindow()
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cw = QtGui.QWidget()
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layout = QtGui.QGridLayout()
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cw.setLayout(layout)
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win.setCentralWidget(cw)
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win.show()
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#win.resize(300, 600)
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changingLabel = QtGui.QLabel() ## updated immediately
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changedLabel = QtGui.QLabel() ## updated only when editing is finished or mouse wheel has stopped for 0.3sec
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changingLabel.setMinimumWidth(200)
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font = changingLabel.font()
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font.setBold(True)
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font.setPointSize(14)
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changingLabel.setFont(font)
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changedLabel.setFont(font)
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labels = []
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def valueChanged(sb):
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changedLabel.setText("Final value: %s" % str(sb.value()))
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def valueChanging(sb, value):
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changingLabel.setText("Value changing: %s" % str(sb.value()))
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for text, spin in spins:
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label = QtGui.QLabel(text)
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labels.append(label)
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layout.addWidget(label)
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layout.addWidget(spin)
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spin.sigValueChanged.connect(valueChanged)
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spin.sigValueChanging.connect(valueChanging)
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layout.addWidget(changingLabel, 0, 1)
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layout.addWidget(changedLabel, 2, 1)
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#def mkWin():
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#win = QtGui.QMainWindow()
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#g = QtGui.QFormLayout()
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#w = QtGui.QWidget()
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#w.setLayout(g)
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#win.setCentralWidget(w)
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#s1 = SpinBox(value=5, step=0.1, bounds=[-1.5, None], suffix='units')
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#t1 = QtGui.QLineEdit()
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#g.addRow(s1, t1)
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#s2 = SpinBox(value=10e-6, dec=True, step=0.1, minStep=1e-6, suffix='A', siPrefix=True)
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#t2 = QtGui.QLineEdit()
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#g.addRow(s2, t2)
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#s3 = SpinBox(value=1000, dec=True, step=0.5, minStep=1e-6, bounds=[1, 1e9], suffix='Hz', siPrefix=True)
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#t3 = QtGui.QLineEdit()
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#g.addRow(s3, t3)
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#s4 = SpinBox(int=True, dec=True, step=1, minStep=1, bounds=[-10, 1000])
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#t4 = QtGui.QLineEdit()
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#g.addRow(s4, t4)
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#win.show()
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#import sys
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#for sb in [s1, s2, s3,s4]:
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##QtCore.QObject.connect(sb, QtCore.SIGNAL('valueChanged(double)'), lambda v: sys.stdout.write(str(sb) + " valueChanged\n"))
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##QtCore.QObject.connect(sb, QtCore.SIGNAL('editingFinished()'), lambda: sys.stdout.write(str(sb) + " editingFinished\n"))
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#sb.sigValueChanged.connect(valueChanged)
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#sb.sigValueChanging.connect(valueChanging)
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#sb.editingFinished.connect(lambda: sys.stdout.write(str(sb) + " editingFinished\n"))
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#return win, w, [s1, s2, s3, s4]
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#a = mkWin()
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#def test(n=100):
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#for i in range(n):
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#win, w, sb = mkWin()
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#for s in sb:
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#w.setParent(None)
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#s.setParent(None)
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#s.valueChanged.disconnect()
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#s.editingFinished.disconnect()
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## Start Qt event loop unless running in interactive mode or using pyside.
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import sys
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if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
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QtGui.QApplication.instance().exec_()
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45
examples/TreeWidget.py
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45
examples/TreeWidget.py
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# -*- coding: utf-8 -*-
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import initExample ## Add path to library (just for examples; you do not need this)
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtCore, QtGui
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import numpy as np
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app = QtGui.QApplication([])
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w = pg.TreeWidget()
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w.setColumnCount(2)
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w.show()
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i1 = QtGui.QTreeWidgetItem(["Item 1"])
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i11 = QtGui.QTreeWidgetItem(["Item 1.1"])
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i12 = QtGui.QTreeWidgetItem(["Item 1.2"])
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i2 = QtGui.QTreeWidgetItem(["Item 2"])
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i21 = QtGui.QTreeWidgetItem(["Item 2.1"])
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i211 = QtGui.QTreeWidgetItem(["Item 2.1.1"])
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i212 = QtGui.QTreeWidgetItem(["Item 2.1.2"])
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i22 = QtGui.QTreeWidgetItem(["Item 2.2"])
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i3 = QtGui.QTreeWidgetItem(["Item 3"])
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i4 = QtGui.QTreeWidgetItem(["Item 4"])
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i5 = QtGui.QTreeWidgetItem(["Item 5"])
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w.addTopLevelItem(i1)
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w.addTopLevelItem(i2)
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w.addTopLevelItem(i3)
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w.addTopLevelItem(i4)
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w.addTopLevelItem(i5)
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i1.addChild(i11)
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i1.addChild(i12)
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i2.addChild(i21)
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i21.addChild(i211)
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i21.addChild(i212)
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i2.addChild(i22)
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b1 = QtGui.QPushButton("B1")
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w.setItemWidget(i1, 1, b1)
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## Start Qt event loop unless running in interactive mode or using pyside.
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import sys
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if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
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QtGui.QApplication.instance().exec_()
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@ -22,7 +22,7 @@ examples = OrderedDict([
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('IsocurveItem', 'isocurve.py'),
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('ImageItem - video', 'ImageItem.py'),
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('ImageItem - draw', 'Draw.py'),
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('Region-of-Interest', 'ROItypes.py'),
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('Region-of-Interest', 'ROIExamples.py'),
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('GraphicsLayout', 'GraphicsLayout.py'),
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('Text Item', 'text.py'),
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('Linked Views', 'linkedViews.py'),
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@ -35,12 +35,12 @@ examples = OrderedDict([
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])),
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('Widgets', OrderedDict([
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('PlotWidget', 'PlotWidget.py'),
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#('SpinBox', '../widgets/SpinBox.py'),
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('TreeWidget', '../widgets/TreeWidget.py'),
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('DataTreeWidget', '../widgets/DataTreeWidget.py'),
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('SpinBox', 'SpinBox.py'),
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('TreeWidget', 'TreeWidget.py'),
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('DataTreeWidget', 'DataTreeWidget.py'),
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('GradientWidget', 'GradientWidget.py'),
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#('TableWidget', '../widgets/TableWidget.py'),
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('ColorButton', '../widgets/ColorButton.py'),
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('ColorButton', 'ColorButton.py'),
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#('CheckTable', '../widgets/CheckTable.py'),
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#('VerticalLabel', '../widgets/VerticalLabel.py'),
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('JoystickButton', 'JoystickButton.py'),
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