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#!/usr/bin/env python
# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2020 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.
#
# ###########################################################################*/
"""Sample code illustrating how to custom silx view into another application.
"""
import sys
import numpy
def createWindow(parent, settings):
# Local import to avoid early import (like h5py)
# SOme libraries have to be configured first properly
from silx.gui.plot.actions import PlotAction
from silx.app.view.Viewer import Viewer
from silx.app.view.ApplicationContext import ApplicationContext
class RandomColorAction(PlotAction):
def __init__(self, plot, parent=None):
super(RandomColorAction, self).__init__(
plot, icon="colormap", text='Color',
tooltip='Random plot background color',
triggered=self.__randomColor,
checkable=False, parent=parent)
def __randomColor(self):
color = "#%06X" % numpy.random.randint(0xFFFFFF)
self.plot.setBackgroundColor(color)
class MyApplicationContext(ApplicationContext):
"""This class is shared to all the silx view application."""
def findPrintToolBar(self, plot):
# FIXME: It would be better to use the Qt API
return plot._outputToolBar
def viewWidgetCreated(self, view, widget):
"""Called when the widget of the view was created.
So we can custom it.
"""
from silx.gui.plot import Plot1D
if isinstance(widget, Plot1D):
toolBar = self.findPrintToolBar(widget)
action = RandomColorAction(widget, widget)
toolBar.addAction(action)
class MyViewer(Viewer):
def createApplicationContext(self, settings):
return MyApplicationContext(self, settings)
window = MyViewer(parent=parent, settings=settings)
window.setWindowTitle(window.windowTitle() + " [custom]")
return window
def main(args):
from silx.app.view import main as silx_view_main
# Monkey patch the main window creation
silx_view_main.createWindow = createWindow
# Use the default launcher
silx_view_main.main(args)
if __name__ == '__main__':
main(sys.argv)
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