diff options
Diffstat (limited to 'examples/widgets/layouts/dynamiclayouts')
5 files changed, 335 insertions, 0 deletions
diff --git a/examples/widgets/layouts/dynamiclayouts/dialog.cpp b/examples/widgets/layouts/dynamiclayouts/dialog.cpp new file mode 100644 index 0000000000..e3ebb66944 --- /dev/null +++ b/examples/widgets/layouts/dynamiclayouts/dialog.cpp @@ -0,0 +1,169 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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) +{ + createRotableGroupBox(); + createOptionsGroupBox(); + createButtonBox(); + + mainLayout = new QGridLayout; + mainLayout->addWidget(rotableGroupBox, 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(rotableWidgets.count() % 2 == 0); + + foreach (QWidget *widget, rotableWidgets) + rotableLayout->removeWidget(widget); + + rotableWidgets.enqueue(rotableWidgets.dequeue()); + + const int n = rotableWidgets.count(); + for (int i = 0; i < n / 2; ++i) { + rotableLayout->addWidget(rotableWidgets[n - i - 1], 0, i); + rotableLayout->addWidget(rotableWidgets[i], 1, i); + } +} + +void Dialog::help() +{ + QMessageBox::information(this, tr("Dynamic Layouts Help"), + tr("This example shows how to change layouts " + "dynamically.")); +} + +void Dialog::createRotableGroupBox() +{ + rotableGroupBox = new QGroupBox(tr("Rotable Widgets")); + + rotableWidgets.enqueue(new QSpinBox); + rotableWidgets.enqueue(new QSlider); + rotableWidgets.enqueue(new QDial); + rotableWidgets.enqueue(new QProgressBar); + + int n = rotableWidgets.count(); + for (int i = 0; i < n; ++i) { + connect(rotableWidgets[i], SIGNAL(valueChanged(int)), + rotableWidgets[(i + 1) % n], SLOT(setValue(int))); + } + + rotableLayout = new QGridLayout; + rotableGroupBox->setLayout(rotableLayout); + + 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, SIGNAL(currentIndexChanged(int)), + this, SLOT(buttonsOrientationChanged(int))); + + 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, SIGNAL(clicked()), this, SLOT(rotateWidgets())); + connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); + connect(helpButton, SIGNAL(clicked()), this, SLOT(help())); +} diff --git a/examples/widgets/layouts/dynamiclayouts/dialog.h b/examples/widgets/layouts/dynamiclayouts/dialog.h new file mode 100644 index 0000000000..f8321abad4 --- /dev/null +++ b/examples/widgets/layouts/dynamiclayouts/dialog.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DIALOG_H +#define DIALOG_H + +#include <QMainWindow> +#include <QDialog> +#include <QQueue> + +QT_BEGIN_NAMESPACE +class QComboBox; +class QDialogButtonBox; +class QGridLayout; +class QGroupBox; +class QLabel; +class QPushButton; +QT_END_NAMESPACE + +class Dialog : public QDialog +{ + Q_OBJECT + +public: + Dialog(QWidget *parent = 0); + +private slots: + void buttonsOrientationChanged(int index); + void rotateWidgets(); + void help(); + +private: + void createRotableGroupBox(); + void createOptionsGroupBox(); + void createButtonBox(); + + QGroupBox *rotableGroupBox; + QQueue<QWidget *> rotableWidgets; + + QGroupBox *optionsGroupBox; + QLabel *buttonsOrientationLabel; + QComboBox *buttonsOrientationComboBox; + + QDialogButtonBox *buttonBox; + QPushButton *closeButton; + QPushButton *helpButton; + QPushButton *rotateWidgetsButton; + + QGridLayout *mainLayout; + QGridLayout *rotableLayout; + QGridLayout *optionsLayout; +}; + +#endif diff --git a/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.desktop b/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.desktop new file mode 100644 index 0000000000..482286bfb8 --- /dev/null +++ b/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Encoding=UTF-8 +Version=1.0 +Type=Application +Terminal=false +Name=Dynamic Layouts +Exec=/opt/usr/bin/dynamiclayouts +Icon=dynamiclayouts +X-Window-Icon= +X-HildonDesk-ShowInToolbar=true +X-Osso-Type=application/x-executable diff --git a/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.pro b/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.pro new file mode 100644 index 0000000000..3cc4c084a5 --- /dev/null +++ b/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.pro @@ -0,0 +1,13 @@ +HEADERS = dialog.h +SOURCES = dialog.cpp \ + main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/layouts/dynamiclayouts +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/layouts/dynamiclayouts +INSTALLS += target sources + +QT += widgets + +simulator: warning(This example might not fully work on Simulator platform) diff --git a/examples/widgets/layouts/dynamiclayouts/main.cpp b/examples/widgets/layouts/dynamiclayouts/main.cpp new file mode 100644 index 0000000000..b4dd37a9cf --- /dev/null +++ b/examples/widgets/layouts/dynamiclayouts/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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 <QApplication> + +#include "dialog.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Dialog dialog; + dialog.show(); + return app.exec(); +} |