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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of Riverbank Computing Limited nor the names of
## its contributors may be used to endorse or promote products
## derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
#############################################################################
import sys
import os
from PyQt5.QtCore import QLibraryInfo, QProcess, QProcessEnvironment
from PyQt5.QtWidgets import QApplication, QMessageBox
app = QApplication(sys.argv)
QMessageBox.information(None, "PyQt Designer Plugins",
"<p>This example will start Qt Designer when you click the <b>OK</b> "
"button.</p>"
"<p>Before doing so it sets the <tt>PYQTDESIGNERPATH</tt> environment "
"variable to the <tt>python</tt> directory that is part of this "
"example. This directory contains all the example Python plugin "
"modules.</p>"
"<p>It also sets the <tt>PYTHONPATH</tt> environment variable to the "
"<tt>widgets</tt> directory that is also part of this example. This "
"directory contains the Python modules that implement the example "
"custom widgets.</p>"
"<p>All of the example custom widgets should then appear in "
"Designer's widget box in the <b>PyQt Examples</b> group.</p>")
# Tell Qt Designer where it can find the directory containing the plugins and
# Python where it can find the widgets.
base = os.path.dirname(__file__)
env = QProcessEnvironment.systemEnvironment()
env.insert('PYQTDESIGNERPATH', os.path.join(base, 'python'))
env.insert('PYTHONPATH', os.path.join(base, 'widgets'))
# Start Designer.
designer = QProcess()
designer.setProcessEnvironment(env)
designer_bin = QLibraryInfo.location(QLibraryInfo.BinariesPath)
if sys.platform == 'darwin':
designer_bin += '/Designer.app/Contents/MacOS/Designer'
else:
designer_bin += '/designer'
designer.start(designer_bin)
designer.waitForFinished(-1)
sys.exit(designer.exitCode())
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