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#!/usr/bin/env python
# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2016-2018 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
"""This script shows a gallery of simple widgets provided by silx.
It shows the following widgets:
- :class:`~silx.gui.widgets.WaitingPushButton`:
A button with a progress-like waiting animated icon.
"""
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "12/01/2017"
import sys
from silx.gui import qt
from silx.gui.widgets.WaitingPushButton import WaitingPushButton
from silx.gui.widgets.ThreadPoolPushButton import ThreadPoolPushButton
class SimpleWidgetExample(qt.QMainWindow):
"""This windows shows simple widget provided by silx."""
def __init__(self):
"""Constructor"""
qt.QMainWindow.__init__(self)
self.setWindowTitle("Silx simple widget example")
main_panel = qt.QWidget(self)
main_panel.setLayout(qt.QVBoxLayout())
main_panel.layout().addWidget(qt.QLabel("WaitingPushButton"))
main_panel.layout().addWidget(self.createWaitingPushButton())
main_panel.layout().addWidget(self.createWaitingPushButton2())
main_panel.layout().addWidget(qt.QLabel("ThreadPoolPushButton"))
main_panel.layout().addWidget(self.createThreadPoolPushButton())
self.setCentralWidget(main_panel)
def createWaitingPushButton(self):
widget = WaitingPushButton(text="Push me and wait for ever")
widget.clicked.connect(widget.swapWaiting)
return widget
def createWaitingPushButton2(self):
widget = WaitingPushButton(text="Push me")
widget.setDisabledWhenWaiting(False)
widget.clicked.connect(widget.swapWaiting)
return widget
def printResult(self, result):
print(result)
def printError(self, result):
print("Error")
print(result)
def takesTimeToComputePow(self, a, b):
qt.QThread.sleep(2)
return a ** b
def createThreadPoolPushButton(self):
widget = ThreadPoolPushButton(text="Compute 2^16")
widget.setCallable(self.takesTimeToComputePow, 2, 16)
widget.succeeded.connect(self.printResult)
widget.failed.connect(self.printError)
return widget
def main():
"""
Main function
"""
app = qt.QApplication([])
sys.excepthook = qt.exceptionHandler
window = SimpleWidgetExample()
window.show()
result = app.exec_()
# remove ending warnings relative to QTimer
app.deleteLater()
sys.excepthook = sys.__excepthook__
sys.exit(result)
main()
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