Long live Qt 4.5!

24 files changed, 1163 insertions, 0 deletions

diff --git a/examples/widgets/icons/iconpreviewarea.cpp b/examples/widgets/icons/iconpreviewarea.cpp
new file mode 100644
index 0000000..d80d41d
--- /dev/null
+++ b/examples/widgets/icons/iconpreviewarea.cpp
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "iconpreviewarea.h"
+
+//! [0]
+IconPreviewArea::IconPreviewArea(QWidget *parent)
+    : QWidget(parent)
+{
+    QGridLayout *mainLayout = new QGridLayout;
+    setLayout(mainLayout);
+
+    stateLabels[0] = createHeaderLabel(tr("Off"));
+    stateLabels[1] = createHeaderLabel(tr("On"));
+    Q_ASSERT(NumStates == 2);
+
+    modeLabels[0] = createHeaderLabel(tr("Normal"));
+    modeLabels[1] = createHeaderLabel(tr("Active"));
+    modeLabels[2] = createHeaderLabel(tr("Disabled"));
+    modeLabels[3] = createHeaderLabel(tr("Selected"));
+    Q_ASSERT(NumModes == 4);
+
+    for (int j = 0; j < NumStates; ++j)
+        mainLayout->addWidget(stateLabels[j], j + 1, 0);
+
+    for (int i = 0; i < NumModes; ++i) {
+        mainLayout->addWidget(modeLabels[i], 0, i + 1);
+
+        for (int j = 0; j < NumStates; ++j) {
+            pixmapLabels[i][j] = createPixmapLabel();
+            mainLayout->addWidget(pixmapLabels[i][j], j + 1, i + 1);
+        }
+    }
+}
+//! [0]
+
+//! [1]
+void IconPreviewArea::setIcon(const QIcon &icon)
+{
+    this->icon = icon;
+    updatePixmapLabels();
+}
+//! [1]
+
+//! [2]
+void IconPreviewArea::setSize(const QSize &size)
+{
+    if (size != this->size) {
+        this->size = size;
+        updatePixmapLabels();
+    }
+}
+//! [2]
+
+//! [3]
+QLabel *IconPreviewArea::createHeaderLabel(const QString &text)
+{
+    QLabel *label = new QLabel(tr("<b>%1</b>").arg(text));
+    label->setAlignment(Qt::AlignCenter);
+    return label;
+}
+//! [3]
+
+//! [4]
+QLabel *IconPreviewArea::createPixmapLabel()
+{
+    QLabel *label = new QLabel;
+    label->setEnabled(false);
+    label->setAlignment(Qt::AlignCenter);
+    label->setFrameShape(QFrame::Box);
+    label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    label->setBackgroundRole(QPalette::Base);
+    label->setAutoFillBackground(true);
+    label->setMinimumSize(132, 132);
+    return label;
+}
+//! [4]
+
+//! [5]
+void IconPreviewArea::updatePixmapLabels()
+{
+    for (int i = 0; i < NumModes; ++i) {
+        QIcon::Mode mode;
+        if (i == 0) {
+            mode = QIcon::Normal;
+        } else if (i == 1) {
+            mode = QIcon::Active;
+        } else if (i == 2) {
+            mode = QIcon::Disabled;
+        } else {
+            mode = QIcon::Selected;
+        }
+
+        for (int j = 0; j < NumStates; ++j) {
+            QIcon::State state = (j == 0) ? QIcon::Off : QIcon::On;
+            QPixmap pixmap = icon.pixmap(size, mode, state);
+            pixmapLabels[i][j]->setPixmap(pixmap);
+            pixmapLabels[i][j]->setEnabled(!pixmap.isNull());
+        }
+    }
+}
+//! [5]
diff --git a/examples/widgets/icons/iconpreviewarea.h b/examples/widgets/icons/iconpreviewarea.h
new file mode 100644
index 0000000..9b915a4
--- /dev/null
+++ b/examples/widgets/icons/iconpreviewarea.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ICONPREVIEWAREA_H
+#define ICONPREVIEWAREA_H
+
+#include <QIcon>
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+QT_END_NAMESPACE
+
+//! [0]
+class IconPreviewArea : public QWidget
+{
+    Q_OBJECT
+
+public:
+    IconPreviewArea(QWidget *parent = 0);
+
+    void setIcon(const QIcon &icon);
+    void setSize(const QSize &size);
+
+private:
+    QLabel *createHeaderLabel(const QString &text);
+    QLabel *createPixmapLabel();
+    void updatePixmapLabels();
+
+    enum { NumModes = 4, NumStates = 2 };
+
+    QIcon icon;
+    QSize size;
+    QLabel *stateLabels[NumStates];
+    QLabel *modeLabels[NumModes];
+    QLabel *pixmapLabels[NumModes][NumStates];
+};
+//! [0]
+
+#endif
diff --git a/examples/widgets/icons/icons.pro b/examples/widgets/icons/icons.pro
new file mode 100644
index 0000000..3b432d9
--- /dev/null
+++ b/examples/widgets/icons/icons.pro
@@ -0,0 +1,25 @@
+HEADERS       = iconpreviewarea.h \
+                iconsizespinbox.h \
+                imagedelegate.h \
+                mainwindow.h
+SOURCES       = iconpreviewarea.cpp \
+                iconsizespinbox.cpp \
+                imagedelegate.cpp \
+                main.cpp \
+                mainwindow.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/icons
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS icons.pro images
+sources.path = $$[QT_INSTALL_EXAMPLES]/widgets/icons
+INSTALLS += target sources
+
+wince*: {
+    imageFiles.sources = images/*
+    wincewm*: {
+        imageFiles.path = "/My Documents/My Pictures"
+    } else {
+        imageFiles.path    = images
+    }
+    DEPLOYMENT += imageFiles
+}
diff --git a/examples/widgets/icons/iconsizespinbox.cpp b/examples/widgets/icons/iconsizespinbox.cpp
new file mode 100644
index 0000000..22f45e9
--- /dev/null
+++ b/examples/widgets/icons/iconsizespinbox.cpp
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "iconsizespinbox.h"
+
+//! [0]
+IconSizeSpinBox::IconSizeSpinBox(QWidget *parent)
+    : QSpinBox(parent)
+{
+}
+//! [0]
+
+//! [1]
+int IconSizeSpinBox::valueFromText(const QString &text) const
+{
+    QRegExp regExp(tr("(\\d+)(\\s*[xx]\\s*\\d+)?"));
+
+    if (regExp.exactMatch(text)) {
+        return regExp.cap(1).toInt();
+    } else {
+        return 0;
+    }
+}
+//! [1]
+
+//! [2]
+QString IconSizeSpinBox::textFromValue(int value) const
+{
+    return tr("%1 x %1").arg(value);
+}
+//! [2]
diff --git a/examples/widgets/icons/iconsizespinbox.h b/examples/widgets/icons/iconsizespinbox.h
new file mode 100644
index 0000000..ea84dc7
--- /dev/null
+++ b/examples/widgets/icons/iconsizespinbox.h
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ICONSIZESPINBOX_H
+#define ICONSIZESPINBOX_H
+
+#include <QSpinBox>
+
+//! [0]
+class IconSizeSpinBox : public QSpinBox
+{
+    Q_OBJECT
+
+public:
+    IconSizeSpinBox(QWidget *parent = 0);
+
+    int valueFromText(const QString &text) const;
+    QString textFromValue(int value) const;
+};
+//! [0]
+
+#endif
diff --git a/examples/widgets/icons/imagedelegate.cpp b/examples/widgets/icons/imagedelegate.cpp
new file mode 100644
index 0000000..e8e79b3
--- /dev/null
+++ b/examples/widgets/icons/imagedelegate.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "imagedelegate.h"
+
+//! [0]
+ImageDelegate::ImageDelegate(QObject *parent)
+    : QItemDelegate(parent)
+{
+}
+//! [0]
+
+//! [1]
+QWidget *ImageDelegate::createEditor(QWidget *parent,
+                                     const QStyleOptionViewItem & /* option */,
+                                     const QModelIndex &index) const
+{
+    QComboBox *comboBox = new QComboBox(parent);
+    if (index.column() == 1) {
+        comboBox->addItem(tr("Normal"));
+        comboBox->addItem(tr("Active"));
+        comboBox->addItem(tr("Disabled"));
+        comboBox->addItem(tr("Selected"));
+    } else if (index.column() == 2) {
+        comboBox->addItem(tr("Off"));
+        comboBox->addItem(tr("On"));
+    }
+
+    connect(comboBox, SIGNAL(activated(int)), this, SLOT(emitCommitData()));
+
+    return comboBox;
+}
+//! [1]
+
+//! [2]
+void ImageDelegate::setEditorData(QWidget *editor,
+                                  const QModelIndex &index) const
+{
+    QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
+    if (!comboBox)
+        return;
+
+    int pos = comboBox->findText(index.model()->data(index).toString(),
+                                 Qt::MatchExactly);
+    comboBox->setCurrentIndex(pos);
+}
+//! [2]
+
+//! [3]
+void ImageDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
+                                 const QModelIndex &index) const
+{
+    QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
+    if (!comboBox)
+        return;
+
+    model->setData(index, comboBox->currentText());
+}
+//! [3]
+
+//! [4]
+void ImageDelegate::emitCommitData()
+{
+    emit commitData(qobject_cast<QWidget *>(sender()));
+}
+//! [4]
diff --git a/examples/widgets/icons/imagedelegate.h b/examples/widgets/icons/imagedelegate.h
new file mode 100644
index 0000000..638c0eb
--- /dev/null
+++ b/examples/widgets/icons/imagedelegate.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef IMAGEDELEGATE_H
+#define IMAGEDELEGATE_H
+
+#include <QItemDelegate>
+
+//! [0]
+class ImageDelegate : public QItemDelegate
+{
+    Q_OBJECT
+
+public:
+    ImageDelegate(QObject *parent = 0);
+//! [0]
+
+//! [1]
+    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
+                          const QModelIndex &index) const;
+    void setEditorData(QWidget *editor, const QModelIndex &index) const;
+    void setModelData(QWidget *editor, QAbstractItemModel *model,
+                      const QModelIndex &index) const;
+
+//! [1] //! [2]
+private slots:
+    void emitCommitData();
+};
+//! [2]
+
+#endif
diff --git a/examples/widgets/icons/images/designer.png b/examples/widgets/icons/images/designer.png
new file mode 100644
index 0000000..0988fce
--- /dev/null
+++ b/examples/widgets/icons/images/designer.png
diff --git a/examples/widgets/icons/images/find_disabled.png b/examples/widgets/icons/images/find_disabled.png
new file mode 100644
index 0000000..e85e33f
--- /dev/null
+++ b/examples/widgets/icons/images/find_disabled.png
diff --git a/examples/widgets/icons/images/find_normal.png b/examples/widgets/icons/images/find_normal.png
new file mode 100644
index 0000000..728c27f
--- /dev/null
+++ b/examples/widgets/icons/images/find_normal.png
diff --git a/examples/widgets/icons/images/monkey_off_128x128.png b/examples/widgets/icons/images/monkey_off_128x128.png
new file mode 100644
index 0000000..f878267
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_off_128x128.png
diff --git a/examples/widgets/icons/images/monkey_off_16x16.png b/examples/widgets/icons/images/monkey_off_16x16.png
new file mode 100644
index 0000000..0ac57d7
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_off_16x16.png
diff --git a/examples/widgets/icons/images/monkey_off_32x32.png b/examples/widgets/icons/images/monkey_off_32x32.png
new file mode 100644
index 0000000..1f7fab6
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_off_32x32.png
diff --git a/examples/widgets/icons/images/monkey_off_64x64.png b/examples/widgets/icons/images/monkey_off_64x64.png
new file mode 100644
index 0000000..47d8f6d
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_off_64x64.png
diff --git a/examples/widgets/icons/images/monkey_on_128x128.png b/examples/widgets/icons/images/monkey_on_128x128.png
new file mode 100644
index 0000000..8e1c746
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_on_128x128.png
diff --git a/examples/widgets/icons/images/monkey_on_16x16.png b/examples/widgets/icons/images/monkey_on_16x16.png
new file mode 100644
index 0000000..082e852
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_on_16x16.png
diff --git a/examples/widgets/icons/images/monkey_on_32x32.png b/examples/widgets/icons/images/monkey_on_32x32.png
new file mode 100644
index 0000000..bf9acc6
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_on_32x32.png
diff --git a/examples/widgets/icons/images/monkey_on_64x64.png b/examples/widgets/icons/images/monkey_on_64x64.png
new file mode 100644
index 0000000..990f604
--- /dev/null
+++ b/examples/widgets/icons/images/monkey_on_64x64.png
diff --git a/examples/widgets/icons/images/qt_extended_16x16.png b/examples/widgets/icons/images/qt_extended_16x16.png
new file mode 100644
index 0000000..95d3bae
--- /dev/null
+++ b/examples/widgets/icons/images/qt_extended_16x16.png
diff --git a/examples/widgets/icons/images/qt_extended_32x32.png b/examples/widgets/icons/images/qt_extended_32x32.png
new file mode 100644
index 0000000..7b7a790
--- /dev/null
+++ b/examples/widgets/icons/images/qt_extended_32x32.png
diff --git a/examples/widgets/icons/images/qt_extended_48x48.png b/examples/widgets/icons/images/qt_extended_48x48.png
new file mode 100644
index 0000000..8434dc2
--- /dev/null
+++ b/examples/widgets/icons/images/qt_extended_48x48.png
diff --git a/examples/widgets/icons/main.cpp b/examples/widgets/icons/main.cpp
new file mode 100644
index 0000000..4856752
--- /dev/null
+++ b/examples/widgets/icons/main.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow mainWin;
+    mainWin.show();
+    return app.exec();
+}
diff --git a/examples/widgets/icons/mainwindow.cpp b/examples/widgets/icons/mainwindow.cpp
new file mode 100644
index 0000000..00ce8b0
--- /dev/null
+++ b/examples/widgets/icons/mainwindow.cpp
@@ -0,0 +1,443 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "iconpreviewarea.h"
+#include "iconsizespinbox.h"
+#include "imagedelegate.h"
+#include "mainwindow.h"
+
+//! [0]
+MainWindow::MainWindow()
+{
+    centralWidget = new QWidget;
+    setCentralWidget(centralWidget);
+
+    createPreviewGroupBox();
+    createImagesGroupBox();
+    createIconSizeGroupBox();
+
+    createActions();
+    createMenus();
+    createContextMenu();
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addWidget(previewGroupBox, 0, 0, 1, 2);
+    mainLayout->addWidget(imagesGroupBox, 1, 0);
+    mainLayout->addWidget(iconSizeGroupBox, 1, 1);
+    centralWidget->setLayout(mainLayout);
+
+    setWindowTitle(tr("Icons"));
+    checkCurrentStyle();
+    otherRadioButton->click();
+
+    resize(minimumSizeHint());
+}
+//! [0]
+
+//! [1]
+void MainWindow::about()
+{
+    QMessageBox::about(this, tr("About Icons"),
+            tr("The <b>Icons</b> example illustrates how Qt renders an icon in "
+               "different modes (active, normal, disabled, and selected) and "
+               "states (on and off) based on a set of images."));
+}
+//! [1]
+
+//! [2]
+void MainWindow::changeStyle(bool checked)
+{
+    if (!checked)
+        return;
+
+    QAction *action = qobject_cast<QAction *>(sender());
+//! [2] //! [3]
+    QStyle *style = QStyleFactory::create(action->data().toString());
+//! [3] //! [4]
+    Q_ASSERT(style);
+    QApplication::setStyle(style);
+
+    smallRadioButton->setText(tr("Small (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_SmallIconSize)));
+    largeRadioButton->setText(tr("Large (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_LargeIconSize)));
+    toolBarRadioButton->setText(tr("Toolbars (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_ToolBarIconSize)));
+    listViewRadioButton->setText(tr("List views (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_ListViewIconSize)));
+    iconViewRadioButton->setText(tr("Icon views (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_IconViewIconSize)));
+    tabBarRadioButton->setText(tr("Tab bars (%1 x %1)")
+            .arg(style->pixelMetric(QStyle::PM_TabBarIconSize)));
+
+    changeSize();
+}
+//! [4]
+
+//! [5]
+void MainWindow::changeSize(bool checked)
+{
+    if (!checked)
+        return;
+
+    int extent;
+
+    if (otherRadioButton->isChecked()) {
+        extent = otherSpinBox->value();
+    } else {
+        QStyle::PixelMetric metric;
+
+        if (smallRadioButton->isChecked()) {
+            metric = QStyle::PM_SmallIconSize;
+        } else if (largeRadioButton->isChecked()) {
+            metric = QStyle::PM_LargeIconSize;
+        } else if (toolBarRadioButton->isChecked()) {
+            metric = QStyle::PM_ToolBarIconSize;
+        } else if (listViewRadioButton->isChecked()) {
+            metric = QStyle::PM_ListViewIconSize;
+        } else if (iconViewRadioButton->isChecked()) {
+            metric = QStyle::PM_IconViewIconSize;
+        } else {
+            metric = QStyle::PM_TabBarIconSize;
+        }
+        extent = QApplication::style()->pixelMetric(metric);
+    }
+    previewArea->setSize(QSize(extent, extent));
+    otherSpinBox->setEnabled(otherRadioButton->isChecked());
+}
+//! [5]
+
+//! [6]
+void MainWindow::changeIcon()
+{
+    QIcon icon;
+
+    for (int row = 0; row < imagesTable->rowCount(); ++row) {
+        QTableWidgetItem *item0 = imagesTable->item(row, 0);
+        QTableWidgetItem *item1 = imagesTable->item(row, 1);
+        QTableWidgetItem *item2 = imagesTable->item(row, 2);
+
+        if (item0->checkState() == Qt::Checked) {
+            QIcon::Mode mode;
+            if (item1->text() == tr("Normal")) {
+                mode = QIcon::Normal;
+            } else if (item1->text() == tr("Active")) {
+                mode = QIcon::Active;
+            } else if (item1->text() == tr("Disabled")) {
+                mode = QIcon::Disabled;
+            } else {
+                mode = QIcon::Selected;
+            }
+
+            QIcon::State state;
+            if (item2->text() == tr("On")) {
+                state = QIcon::On;
+            } else {
+                state = QIcon::Off;
+//! [6] //! [7]
+            }
+//! [7]
+
+//! [8]
+            QString fileName = item0->data(Qt::UserRole).toString();
+            QImage image(fileName);
+            if (!image.isNull())
+                icon.addPixmap(QPixmap::fromImage(image), mode, state);
+//! [8] //! [9]
+        }
+//! [9] //! [10]
+    }
+//! [10]
+
+//! [11]
+    previewArea->setIcon(icon);
+}
+//! [11]
+
+//! [12]
+void MainWindow::addImages()
+{
+    QStringList fileNames = QFileDialog::getOpenFileNames(this,
+                                    tr("Open Images"), "",
+                                    tr("Images (*.png *.xpm *.jpg);;"
+                                       "All Files (*)"));
+    if (!fileNames.isEmpty()) {
+        foreach (QString fileName, fileNames) {
+            int row = imagesTable->rowCount();
+            imagesTable->setRowCount(row + 1);
+//! [12]
+
+//! [13]
+            QString imageName = QFileInfo(fileName).baseName();
+//! [13] //! [14]
+            QTableWidgetItem *item0 = new QTableWidgetItem(imageName);
+            item0->setData(Qt::UserRole, fileName);
+            item0->setFlags(item0->flags() & ~Qt::ItemIsEditable);
+//! [14]
+
+//! [15]
+            QTableWidgetItem *item1 = new QTableWidgetItem(tr("Normal"));
+//! [15] //! [16]
+            QTableWidgetItem *item2 = new QTableWidgetItem(tr("Off"));
+
+            if (guessModeStateAct->isChecked()) {
+                if (fileName.contains("_act")) {
+                    item1->setText(tr("Active"));
+                } else if (fileName.contains("_dis")) {
+                    item1->setText(tr("Disabled"));
+                } else if (fileName.contains("_sel")) {
+                    item1->setText(tr("Selected"));
+                }
+
+                if (fileName.contains("_on"))
+                    item2->setText(tr("On"));
+//! [16] //! [17]
+            }
+//! [17]
+
+//! [18]
+            imagesTable->setItem(row, 0, item0);
+//! [18] //! [19]
+            imagesTable->setItem(row, 1, item1);
+            imagesTable->setItem(row, 2, item2);
+            imagesTable->openPersistentEditor(item1);
+            imagesTable->openPersistentEditor(item2);
+
+            item0->setCheckState(Qt::Checked);
+        }
+    }
+}
+//! [19]
+
+//! [20]
+void MainWindow::removeAllImages()
+{
+    imagesTable->setRowCount(0);
+    changeIcon();
+}
+//! [20]
+
+void MainWindow::createPreviewGroupBox()
+{
+    previewGroupBox = new QGroupBox(tr("Preview"));
+
+    previewArea = new IconPreviewArea;
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(previewArea);
+    previewGroupBox->setLayout(layout);
+}
+
+//! [21]
+void MainWindow::createImagesGroupBox()
+{
+    imagesGroupBox = new QGroupBox(tr("Images"));
+
+    imagesTable = new QTableWidget;
+    imagesTable->setSelectionMode(QAbstractItemView::NoSelection);
+    imagesTable->setItemDelegate(new ImageDelegate(this));
+//! [21]
+
+//! [22]
+    QStringList labels;
+//! [22] //! [23]
+    labels << tr("Image") << tr("Mode") << tr("State");
+
+    imagesTable->horizontalHeader()->setDefaultSectionSize(90);
+    imagesTable->setColumnCount(3);
+    imagesTable->setHorizontalHeaderLabels(labels);
+    imagesTable->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
+    imagesTable->horizontalHeader()->setResizeMode(1, QHeaderView::Fixed);
+    imagesTable->horizontalHeader()->setResizeMode(2, QHeaderView::Fixed);
+    imagesTable->verticalHeader()->hide();
+//! [23]
+
+//! [24]
+    connect(imagesTable, SIGNAL(itemChanged(QTableWidgetItem *)),
+//! [24] //! [25]
+            this, SLOT(changeIcon()));
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(imagesTable);
+    imagesGroupBox->setLayout(layout);
+}
+//! [25]
+
+//! [26]
+void MainWindow::createIconSizeGroupBox()
+{
+    iconSizeGroupBox = new QGroupBox(tr("Icon Size"));
+
+    smallRadioButton = new QRadioButton;
+    largeRadioButton = new QRadioButton;
+    toolBarRadioButton = new QRadioButton;
+    listViewRadioButton = new QRadioButton;
+    iconViewRadioButton = new QRadioButton;
+    tabBarRadioButton = new QRadioButton;
+    otherRadioButton = new QRadioButton(tr("Other:"));
+
+    otherSpinBox = new IconSizeSpinBox;
+    otherSpinBox->setRange(8, 128);
+    otherSpinBox->setValue(64);
+//! [26]
+
+//! [27]
+    connect(smallRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(largeRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(toolBarRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(listViewRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(iconViewRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(tabBarRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(otherRadioButton, SIGNAL(toggled(bool)),
+            this, SLOT(changeSize(bool)));
+    connect(otherSpinBox, SIGNAL(valueChanged(int)), this, SLOT(changeSize()));
+
+    QHBoxLayout *otherSizeLayout = new QHBoxLayout;
+    otherSizeLayout->addWidget(otherRadioButton);
+    otherSizeLayout->addWidget(otherSpinBox);
+    otherSizeLayout->addStretch();
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(smallRadioButton, 0, 0);
+    layout->addWidget(largeRadioButton, 1, 0);
+    layout->addWidget(toolBarRadioButton, 2, 0);
+    layout->addWidget(listViewRadioButton, 0, 1);
+    layout->addWidget(iconViewRadioButton, 1, 1);
+    layout->addWidget(tabBarRadioButton, 2, 1);
+    layout->addLayout(otherSizeLayout, 3, 0, 1, 2);
+    layout->setRowStretch(4, 1);
+    iconSizeGroupBox->setLayout(layout);
+}
+//! [27]
+
+//! [28]
+void MainWindow::createActions()
+{
+    addImagesAct = new QAction(tr("&Add Images..."), this);
+    addImagesAct->setShortcut(tr("Ctrl+A"));
+    connect(addImagesAct, SIGNAL(triggered()), this, SLOT(addImages()));
+
+    removeAllImagesAct = new QAction(tr("&Remove All Images"), this);
+    removeAllImagesAct->setShortcut(tr("Ctrl+R"));
+    connect(removeAllImagesAct, SIGNAL(triggered()),
+            this, SLOT(removeAllImages()));
+
+    exitAct = new QAction(tr("&Quit"), this);
+    exitAct->setShortcut(tr("Ctrl+Q"));
+    connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
+
+    styleActionGroup = new QActionGroup(this);
+    foreach (QString styleName, QStyleFactory::keys()) {
+        QAction *action = new QAction(styleActionGroup);
+        action->setText(tr("%1 Style").arg(styleName));
+        action->setData(styleName);
+        action->setCheckable(true);
+        connect(action, SIGNAL(triggered(bool)), this, SLOT(changeStyle(bool)));
+    }
+
+    guessModeStateAct = new QAction(tr("&Guess Image Mode/State"), this);
+    guessModeStateAct->setCheckable(true);
+    guessModeStateAct->setChecked(true);
+
+    aboutAct = new QAction(tr("&About"), this);
+    connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
+
+    aboutQtAct = new QAction(tr("About &Qt"), this);
+    connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+}
+//! [28]
+
+//! [29]
+void MainWindow::createMenus()
+{
+    fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(addImagesAct);
+    fileMenu->addAction(removeAllImagesAct);
+    fileMenu->addSeparator();
+    fileMenu->addAction(exitAct);
+
+    viewMenu = menuBar()->addMenu(tr("&View"));
+    foreach (QAction *action, styleActionGroup->actions())
+        viewMenu->addAction(action);
+    viewMenu->addSeparator();
+    viewMenu->addAction(guessModeStateAct);
+
+    menuBar()->addSeparator();
+
+    helpMenu = menuBar()->addMenu(tr("&Help"));
+    helpMenu->addAction(aboutAct);
+    helpMenu->addAction(aboutQtAct);
+}
+//! [29]
+
+//! [30]
+void MainWindow::createContextMenu()
+{
+    imagesTable->setContextMenuPolicy(Qt::ActionsContextMenu);
+    imagesTable->addAction(addImagesAct);
+    imagesTable->addAction(removeAllImagesAct);
+}
+//! [30]
+
+//! [31]
+void MainWindow::checkCurrentStyle()
+{
+    foreach (QAction *action, styleActionGroup->actions()) {
+        QString styleName = action->data().toString();
+        QStyle *candidate = QStyleFactory::create(styleName);
+        Q_ASSERT(candidate);
+        if (candidate->metaObject()->className()
+                == QApplication::style()->metaObject()->className()) {
+            action->trigger();
+            return;
+        }
+        delete candidate;
+    }
+}
+//! [31]
diff --git a/examples/widgets/icons/mainwindow.h b/examples/widgets/icons/mainwindow.h
new file mode 100644
index 0000000..3494359
--- /dev/null
+++ b/examples/widgets/icons/mainwindow.h
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QIcon>
+#include <QList>
+#include <QMainWindow>
+#include <QPixmap>
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QActionGroup;
+class QGroupBox;
+class QMenu;
+class QRadioButton;
+class QTableWidget;
+QT_END_NAMESPACE
+class IconPreviewArea;
+class IconSizeSpinBox;
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+private slots:
+    void about();
+    void changeStyle(bool checked);
+    void changeSize(bool checked = true);
+    void changeIcon();
+    void addImages();
+    void removeAllImages();
+
+private:
+    void createPreviewGroupBox();
+    void createImagesGroupBox();
+    void createIconSizeGroupBox();
+    void createActions();
+    void createMenus();
+    void createContextMenu();
+    void checkCurrentStyle();
+
+    QWidget *centralWidget;
+
+    QGroupBox *previewGroupBox;
+    IconPreviewArea *previewArea;
+
+    QGroupBox *imagesGroupBox;
+    QTableWidget *imagesTable;
+
+    QGroupBox *iconSizeGroupBox;
+    QRadioButton *smallRadioButton;
+    QRadioButton *largeRadioButton;
+    QRadioButton *toolBarRadioButton;
+    QRadioButton *listViewRadioButton;
+    QRadioButton *iconViewRadioButton;
+    QRadioButton *tabBarRadioButton;
+    QRadioButton *otherRadioButton;
+    IconSizeSpinBox *otherSpinBox;
+
+    QMenu *fileMenu;
+    QMenu *viewMenu;
+    QMenu *helpMenu;
+    QAction *addImagesAct;
+    QAction *removeAllImagesAct;
+    QAction *exitAct;
+    QAction *guessModeStateAct;
+    QActionGroup *styleActionGroup;
+    QAction *aboutAct;
+    QAction *aboutQtAct;
+};
+//! [0]
+
+#endif