/usr/lib/python2.7/dist-packages/pyqtgraph/examples/SpinBox.py is in python-pyqtgraph 0.9.10-5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | # -*- coding: utf-8 -*-
"""
This example demonstrates the SpinBox widget, which is an extension of
QDoubleSpinBox providing some advanced features:
* SI-prefixed units
* Non-linear stepping modes
* Bounded/unbounded values
"""
import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import numpy as np
app = QtGui.QApplication([])
spins = [
("Floating-point spin box, min=0, no maximum.", pg.SpinBox(value=5.0, bounds=[0, None])),
("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)),
("Float with SI-prefixed units<br>(n, u, m, k, M, etc)", pg.SpinBox(value=0.9, suffix='V', siPrefix=True)),
("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)),
("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)),
("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)),
]
win = QtGui.QMainWindow()
win.setWindowTitle('pyqtgraph example: SpinBox')
cw = QtGui.QWidget()
layout = QtGui.QGridLayout()
cw.setLayout(layout)
win.setCentralWidget(cw)
win.show()
#win.resize(300, 600)
changingLabel = QtGui.QLabel() ## updated immediately
changedLabel = QtGui.QLabel() ## updated only when editing is finished or mouse wheel has stopped for 0.3sec
changingLabel.setMinimumWidth(200)
font = changingLabel.font()
font.setBold(True)
font.setPointSize(14)
changingLabel.setFont(font)
changedLabel.setFont(font)
labels = []
def valueChanged(sb):
changedLabel.setText("Final value: %s" % str(sb.value()))
def valueChanging(sb, value):
changingLabel.setText("Value changing: %s" % str(sb.value()))
for text, spin in spins:
label = QtGui.QLabel(text)
labels.append(label)
layout.addWidget(label)
layout.addWidget(spin)
spin.sigValueChanged.connect(valueChanged)
spin.sigValueChanging.connect(valueChanging)
layout.addWidget(changingLabel, 0, 1)
layout.addWidget(changedLabel, 2, 1)
#def mkWin():
#win = QtGui.QMainWindow()
#g = QtGui.QFormLayout()
#w = QtGui.QWidget()
#w.setLayout(g)
#win.setCentralWidget(w)
#s1 = SpinBox(value=5, step=0.1, bounds=[-1.5, None], suffix='units')
#t1 = QtGui.QLineEdit()
#g.addRow(s1, t1)
#s2 = SpinBox(value=10e-6, dec=True, step=0.1, minStep=1e-6, suffix='A', siPrefix=True)
#t2 = QtGui.QLineEdit()
#g.addRow(s2, t2)
#s3 = SpinBox(value=1000, dec=True, step=0.5, minStep=1e-6, bounds=[1, 1e9], suffix='Hz', siPrefix=True)
#t3 = QtGui.QLineEdit()
#g.addRow(s3, t3)
#s4 = SpinBox(int=True, dec=True, step=1, minStep=1, bounds=[-10, 1000])
#t4 = QtGui.QLineEdit()
#g.addRow(s4, t4)
#win.show()
#import sys
#for sb in [s1, s2, s3,s4]:
##QtCore.QObject.connect(sb, QtCore.SIGNAL('valueChanged(double)'), lambda v: sys.stdout.write(str(sb) + " valueChanged\n"))
##QtCore.QObject.connect(sb, QtCore.SIGNAL('editingFinished()'), lambda: sys.stdout.write(str(sb) + " editingFinished\n"))
#sb.sigValueChanged.connect(valueChanged)
#sb.sigValueChanging.connect(valueChanging)
#sb.editingFinished.connect(lambda: sys.stdout.write(str(sb) + " editingFinished\n"))
#return win, w, [s1, s2, s3, s4]
#a = mkWin()
#def test(n=100):
#for i in range(n):
#win, w, sb = mkWin()
#for s in sb:
#w.setParent(None)
#s.setParent(None)
#s.valueChanged.disconnect()
#s.editingFinished.disconnect()
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
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