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Diffstat (limited to 'examples/widgets/layouts/dynamiclayouts/dialog.cpp')
| -rw-r--r-- | examples/widgets/layouts/dynamiclayouts/dialog.cpp | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/examples/widgets/layouts/dynamiclayouts/dialog.cpp b/examples/widgets/layouts/dynamiclayouts/dialog.cpp deleted file mode 100644 index bd9baa9faf..0000000000 --- a/examples/widgets/layouts/dynamiclayouts/dialog.cpp +++ /dev/null @@ -1,183 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> - -#include "dialog.h" - -Dialog::Dialog(QWidget *parent) - : QDialog(parent) -{ - createRotatableGroupBox(); - createOptionsGroupBox(); - createButtonBox(); - - mainLayout = new QGridLayout; - mainLayout->addWidget(rotatableGroupBox, 0, 0); - mainLayout->addWidget(optionsGroupBox, 1, 0); - mainLayout->addWidget(buttonBox, 2, 0); - setLayout(mainLayout); - - mainLayout->setSizeConstraint(QLayout::SetMinimumSize); - - setWindowTitle(tr("Dynamic Layouts")); -} - -void Dialog::buttonsOrientationChanged(int index) -{ - mainLayout->setSizeConstraint(QLayout::SetNoConstraint); - setMinimumSize(0, 0); - - Qt::Orientation orientation = Qt::Orientation( - buttonsOrientationComboBox->itemData(index).toInt()); - - if (orientation == buttonBox->orientation()) - return; - - mainLayout->removeWidget(buttonBox); - - int spacing = mainLayout->spacing(); - - QSize oldSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing); - buttonBox->setOrientation(orientation); - QSize newSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing); - - if (orientation == Qt::Horizontal) { - mainLayout->addWidget(buttonBox, 2, 0); - resize(size() + QSize(-oldSizeHint.width(), newSizeHint.height())); - } else { - mainLayout->addWidget(buttonBox, 0, 3, 2, 1); - resize(size() + QSize(newSizeHint.width(), -oldSizeHint.height())); - } - - mainLayout->setSizeConstraint(QLayout::SetDefaultConstraint); -} - -void Dialog::rotateWidgets() -{ - Q_ASSERT(rotatableWidgets.count() % 2 == 0); - - for (QWidget *widget : qAsConst(rotatableWidgets)) - rotatableLayout->removeWidget(widget); - - rotatableWidgets.enqueue(rotatableWidgets.dequeue()); - - const int n = rotatableWidgets.count(); - for (int i = 0; i < n / 2; ++i) { - rotatableLayout->addWidget(rotatableWidgets[n - i - 1], 0, i); - rotatableLayout->addWidget(rotatableWidgets[i], 1, i); - } -} - -void Dialog::help() -{ - QMessageBox::information(this, tr("Dynamic Layouts Help"), - tr("This example shows how to change layouts " - "dynamically.")); -} - -void Dialog::createRotatableGroupBox() -{ - rotatableGroupBox = new QGroupBox(tr("Rotatable Widgets")); - - rotatableWidgets.enqueue(new QSpinBox); - rotatableWidgets.enqueue(new QSlider); - rotatableWidgets.enqueue(new QDial); - rotatableWidgets.enqueue(new QProgressBar); - - int n = rotatableWidgets.count(); - for (int i = 0; i < n; ++i) { - connect(rotatableWidgets[i], SIGNAL(valueChanged(int)), - rotatableWidgets[(i + 1) % n], SLOT(setValue(int))); - } - - rotatableLayout = new QGridLayout; - rotatableGroupBox->setLayout(rotatableLayout); - - rotateWidgets(); -} - -void Dialog::createOptionsGroupBox() -{ - optionsGroupBox = new QGroupBox(tr("Options")); - - buttonsOrientationLabel = new QLabel(tr("Orientation of buttons:")); - - buttonsOrientationComboBox = new QComboBox; - buttonsOrientationComboBox->addItem(tr("Horizontal"), Qt::Horizontal); - buttonsOrientationComboBox->addItem(tr("Vertical"), Qt::Vertical); - - connect(buttonsOrientationComboBox, - &QComboBox::currentIndexChanged, - this, - &Dialog::buttonsOrientationChanged); - - optionsLayout = new QGridLayout; - optionsLayout->addWidget(buttonsOrientationLabel, 0, 0); - optionsLayout->addWidget(buttonsOrientationComboBox, 0, 1); - optionsLayout->setColumnStretch(2, 1); - optionsGroupBox->setLayout(optionsLayout); -} - -void Dialog::createButtonBox() -{ - buttonBox = new QDialogButtonBox; - - closeButton = buttonBox->addButton(QDialogButtonBox::Close); - helpButton = buttonBox->addButton(QDialogButtonBox::Help); - rotateWidgetsButton = buttonBox->addButton(tr("Rotate &Widgets"), - QDialogButtonBox::ActionRole); - - connect(rotateWidgetsButton, &QPushButton::clicked, this, &Dialog::rotateWidgets); - connect(closeButton, &QPushButton::clicked, this, &Dialog::close); - connect(helpButton, &QPushButton::clicked, this, &Dialog::help); -} - - |