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############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: http://www.qt.io/licensing/
##
## This file is part of the Qt for Python examples of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:BSD$
## 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 The Qt Company Ltd 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."
##
## $QT_END_LICENSE$
##
#############################################################################

"""PySide2 port of the widgets/layouts/basiclayout example from Qt v5.x"""

from PySide2 import QtCore, QtGui, QtWidgets


class Dialog(QtWidgets.QDialog):
    NumGridRows = 3
    NumButtons = 4

    def __init__(self):
        super(Dialog, self).__init__()

        self.createMenu()
        self.createHorizontalGroupBox()
        self.createGridGroupBox()
        self.createFormGroupBox()

        bigEditor = QtWidgets.QTextEdit()
        bigEditor.setPlainText("This widget takes up all the remaining space "
                "in the top-level layout.")

        buttonBox = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)

        buttonBox.accepted.connect(self.accept)
        buttonBox.rejected.connect(self.reject)

        mainLayout = QtWidgets.QVBoxLayout()
        mainLayout.setMenuBar(self.menuBar)
        mainLayout.addWidget(self.horizontalGroupBox)
        mainLayout.addWidget(self.gridGroupBox)
        mainLayout.addWidget(self.formGroupBox)
        mainLayout.addWidget(bigEditor)
        mainLayout.addWidget(buttonBox)
        self.setLayout(mainLayout)

        self.setWindowTitle("Basic Layouts")

    def createMenu(self):
        self.menuBar = QtWidgets.QMenuBar()

        self.fileMenu = QtWidgets.QMenu("&File", self)
        self.exitAction = self.fileMenu.addAction("E&xit")
        self.menuBar.addMenu(self.fileMenu)

        self.exitAction.triggered.connect(self.accept)

    def createHorizontalGroupBox(self):
        self.horizontalGroupBox = QtWidgets.QGroupBox("Horizontal layout")
        layout = QtWidgets.QHBoxLayout()

        for i in range(Dialog.NumButtons):
            button = QtWidgets.QPushButton("Button %d" % (i + 1))
            layout.addWidget(button)

        self.horizontalGroupBox.setLayout(layout)

    def createGridGroupBox(self):
        self.gridGroupBox = QtWidgets.QGroupBox("Grid layout")
        layout = QtWidgets.QGridLayout()

        for i in range(Dialog.NumGridRows):
            label = QtWidgets.QLabel("Line %d:" % (i + 1))
            lineEdit = QtWidgets.QLineEdit()
            layout.addWidget(label, i + 1, 0)
            layout.addWidget(lineEdit, i + 1, 1)

        self.smallEditor = QtWidgets.QTextEdit()
        self.smallEditor.setPlainText("This widget takes up about two thirds "
                "of the grid layout.")

        layout.addWidget(self.smallEditor, 0, 2, 4, 1)

        layout.setColumnStretch(1, 10)
        layout.setColumnStretch(2, 20)
        self.gridGroupBox.setLayout(layout)

    def createFormGroupBox(self):
        self.formGroupBox = QtWidgets.QGroupBox("Form layout")
        layout = QtWidgets.QFormLayout()
        layout.addRow(QtWidgets.QLabel("Line 1:"), QtWidgets.QLineEdit())
        layout.addRow(QtWidgets.QLabel("Line 2, long text:"), QtWidgets.QComboBox())
        layout.addRow(QtWidgets.QLabel("Line 3:"), QtWidgets.QSpinBox())
        self.formGroupBox.setLayout(layout)


if __name__ == '__main__':

    import sys

    app = QtWidgets.QApplication(sys.argv)
    dialog = Dialog()
    sys.exit(dialog.exec_())