4 files changed, 320 insertions, 0 deletions
diff --git a/examples/layouts/dynamiclayouts/dialog.cpp b/examples/layouts/dynamiclayouts/dialog.cpp
new file mode 100644
index 0000000000..58711bee7f
--- /dev/null
+++ b/examples/layouts/dynamiclayouts/dialog.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 <QtGui>
+
+#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/layouts/dynamiclayouts/dialog.h b/examples/layouts/dynamiclayouts/dialog.h
new file mode 100644
index 0000000000..9409be1b57
--- /dev/null
+++ b/examples/layouts/dynamiclayouts/dialog.h
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 <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/layouts/dynamiclayouts/dynamiclayouts.pro b/examples/layouts/dynamiclayouts/dynamiclayouts.pro
new file mode 100644
index 0000000000..5a4133c76c
--- /dev/null
+++ b/examples/layouts/dynamiclayouts/dynamiclayouts.pro
@@ -0,0 +1,11 @@
+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
+
+symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
diff --git a/examples/layouts/dynamiclayouts/main.cpp b/examples/layouts/dynamiclayouts/main.cpp
new file mode 100644
index 0000000000..8aa11f488d
--- /dev/null
+++ b/examples/layouts/dynamiclayouts/main.cpp
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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;
+    return dialog.exec();
+}