31 lines
827 B
Python
31 lines
827 B
Python
# -*- coding: utf-8 -*-
|
|
import initExample ## Add path to library (just for examples; you do not need this)
|
|
|
|
"""
|
|
Simple example demonstrating a button which displays a colored rectangle
|
|
and allows the user to select a new color by clicking on the button.
|
|
"""
|
|
|
|
import pyqtgraph as pg
|
|
from pyqtgraph.Qt import QtCore, QtGui
|
|
import numpy as np
|
|
|
|
app = QtGui.QApplication([])
|
|
win = QtGui.QMainWindow()
|
|
btn = pg.ColorButton()
|
|
win.setCentralWidget(btn)
|
|
win.show()
|
|
|
|
def change(btn):
|
|
print("change", btn.color())
|
|
def done(btn):
|
|
print("done", btn.color())
|
|
|
|
btn.sigColorChanging.connect(change)
|
|
btn.sigColorChanged.connect(done)
|
|
|
|
## Start Qt event loop unless running in interactive mode or using pyside.
|
|
import sys
|
|
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
|
|
QtGui.QApplication.instance().exec_()
|