Long live Qt 4.5!

9 files changed, 882 insertions, 0 deletions

diff --git a/examples/widgets/styles/images/woodbackground.png b/examples/widgets/styles/images/woodbackground.png
new file mode 100644
index 0000000..8be3366
--- /dev/null
+++ b/examples/widgets/styles/images/woodbackground.png
diff --git a/examples/widgets/styles/images/woodbutton.png b/examples/widgets/styles/images/woodbutton.png
new file mode 100644
index 0000000..adb59ef
--- /dev/null
+++ b/examples/widgets/styles/images/woodbutton.png
diff --git a/examples/widgets/styles/main.cpp b/examples/widgets/styles/main.cpp
new file mode 100644
index 0000000..8998858
--- /dev/null
+++ b/examples/widgets/styles/main.cpp
@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** 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 "widgetgallery.h"
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(styles);
+
+    QApplication app(argc, argv);
+    WidgetGallery gallery;
+    gallery.show();
+    return app.exec();
+}
diff --git a/examples/widgets/styles/norwegianwoodstyle.cpp b/examples/widgets/styles/norwegianwoodstyle.cpp
new file mode 100644
index 0000000..1be5db0
--- /dev/null
+++ b/examples/widgets/styles/norwegianwoodstyle.cpp
@@ -0,0 +1,331 @@
+/****************************************************************************
+**
+** 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 "norwegianwoodstyle.h"
+
+//! [0]
+void NorwegianWoodStyle::polish(QPalette &palette)
+{
+    QColor brown(212, 140, 95);
+    QColor beige(236, 182, 120);
+    QColor slightlyOpaqueBlack(0, 0, 0, 63);
+
+    QPixmap backgroundImage(":/images/woodbackground.png");
+    QPixmap buttonImage(":/images/woodbutton.png");
+    QPixmap midImage = buttonImage;
+
+    QPainter painter;
+    painter.begin(&midImage);
+    painter.setPen(Qt::NoPen);
+    painter.fillRect(midImage.rect(), slightlyOpaqueBlack);
+    painter.end();
+//! [0]
+
+//! [1]
+    palette = QPalette(brown);
+
+    palette.setBrush(QPalette::BrightText, Qt::white);
+    palette.setBrush(QPalette::Base, beige);
+    palette.setBrush(QPalette::Highlight, Qt::darkGreen);
+    setTexture(palette, QPalette::Button, buttonImage);
+    setTexture(palette, QPalette::Mid, midImage);
+    setTexture(palette, QPalette::Window, backgroundImage);
+
+    QBrush brush = palette.background();
+    brush.setColor(brush.color().dark());
+
+    palette.setBrush(QPalette::Disabled, QPalette::WindowText, brush);
+    palette.setBrush(QPalette::Disabled, QPalette::Text, brush);
+    palette.setBrush(QPalette::Disabled, QPalette::ButtonText, brush);
+    palette.setBrush(QPalette::Disabled, QPalette::Base, brush);
+    palette.setBrush(QPalette::Disabled, QPalette::Button, brush);
+    palette.setBrush(QPalette::Disabled, QPalette::Mid, brush);
+}
+//! [1]
+
+//! [3]
+void NorwegianWoodStyle::polish(QWidget *widget)
+//! [3] //! [4]
+{
+    if (qobject_cast<QPushButton *>(widget)
+            || qobject_cast<QComboBox *>(widget))
+        widget->setAttribute(Qt::WA_Hover, true);
+}
+//! [4]
+
+//! [5]
+void NorwegianWoodStyle::unpolish(QWidget *widget)
+//! [5] //! [6]
+{
+    if (qobject_cast<QPushButton *>(widget)
+            || qobject_cast<QComboBox *>(widget))
+        widget->setAttribute(Qt::WA_Hover, false);
+}
+//! [6]
+
+//! [7]
+int NorwegianWoodStyle::pixelMetric(PixelMetric metric,
+//! [7] //! [8]
+                                    const QStyleOption *option,
+                                    const QWidget *widget) const
+{
+    switch (metric) {
+    case PM_ComboBoxFrameWidth:
+        return 8;
+    case PM_ScrollBarExtent:
+        return QMotifStyle::pixelMetric(metric, option, widget) + 4;
+    default:
+        return QMotifStyle::pixelMetric(metric, option, widget);
+    }
+}
+//! [8]
+
+//! [9]
+int NorwegianWoodStyle::styleHint(StyleHint hint, const QStyleOption *option,
+//! [9] //! [10]
+                                  const QWidget *widget,
+                                  QStyleHintReturn *returnData) const
+{
+    switch (hint) {
+    case SH_DitherDisabledText:
+        return int(false);
+    case SH_EtchDisabledText:
+        return int(true);
+    default:
+        return QMotifStyle::styleHint(hint, option, widget, returnData);
+    }
+}
+//! [10]
+
+//! [11]
+void NorwegianWoodStyle::drawPrimitive(PrimitiveElement element,
+//! [11] //! [12]
+                                       const QStyleOption *option,
+                                       QPainter *painter,
+                                       const QWidget *widget) const
+{
+    switch (element) {
+    case PE_PanelButtonCommand:
+        {
+            int delta = (option->state & State_MouseOver) ? 64 : 0;
+            QColor slightlyOpaqueBlack(0, 0, 0, 63);
+            QColor semiTransparentWhite(255, 255, 255, 127 + delta);
+            QColor semiTransparentBlack(0, 0, 0, 127 - delta);
+
+            int x, y, width, height;
+            option->rect.getRect(&x, &y, &width, &height);
+//! [12]
+
+//! [13]
+            QPainterPath roundRect = roundRectPath(option->rect);
+//! [13] //! [14]
+            int radius = qMin(width, height) / 2;
+//! [14]
+
+//! [15]
+            QBrush brush;
+//! [15] //! [16]
+            bool darker;
+
+            const QStyleOptionButton *buttonOption =
+                    qstyleoption_cast<const QStyleOptionButton *>(option);
+            if (buttonOption
+                    && (buttonOption->features & QStyleOptionButton::Flat)) {
+                brush = option->palette.background();
+                darker = (option->state & (State_Sunken | State_On));
+            } else {
+                if (option->state & (State_Sunken | State_On)) {
+                    brush = option->palette.mid();
+                    darker = !(option->state & State_Sunken);
+                } else {
+                    brush = option->palette.button();
+                    darker = false;
+//! [16] //! [17]
+                }
+//! [17] //! [18]
+            }
+//! [18]
+
+//! [19]
+            painter->save();
+//! [19] //! [20]
+            painter->setRenderHint(QPainter::Antialiasing, true);
+//! [20] //! [21]
+            painter->fillPath(roundRect, brush);
+//! [21] //! [22]
+            if (darker)
+//! [22] //! [23]
+                painter->fillPath(roundRect, slightlyOpaqueBlack);
+//! [23]
+
+//! [24]
+            int penWidth;
+//! [24] //! [25]
+            if (radius < 10)
+                penWidth = 3;
+            else if (radius < 20)
+                penWidth = 5;
+            else
+                penWidth = 7;
+
+            QPen topPen(semiTransparentWhite, penWidth);
+            QPen bottomPen(semiTransparentBlack, penWidth);
+
+            if (option->state & (State_Sunken | State_On))
+                qSwap(topPen, bottomPen);
+//! [25]
+
+//! [26]
+            int x1 = x;
+            int x2 = x + radius;
+            int x3 = x + width - radius;
+            int x4 = x + width;
+
+            if (option->direction == Qt::RightToLeft) {
+                qSwap(x1, x4);
+                qSwap(x2, x3);
+            }
+
+            QPolygon topHalf;
+            topHalf << QPoint(x1, y)
+                    << QPoint(x4, y)
+                    << QPoint(x3, y + radius)
+                    << QPoint(x2, y + height - radius)
+                    << QPoint(x1, y + height);
+
+            painter->setClipPath(roundRect);
+            painter->setClipRegion(topHalf, Qt::IntersectClip);
+            painter->setPen(topPen);
+            painter->drawPath(roundRect);
+//! [26] //! [32]
+
+            QPolygon bottomHalf = topHalf;
+            bottomHalf[0] = QPoint(x4, y + height);
+
+            painter->setClipPath(roundRect);
+            painter->setClipRegion(bottomHalf, Qt::IntersectClip);
+            painter->setPen(bottomPen);
+            painter->drawPath(roundRect);
+
+            painter->setPen(option->palette.foreground().color());
+            painter->setClipping(false);
+            painter->drawPath(roundRect);
+
+            painter->restore();
+        }
+        break;
+//! [32] //! [33]
+    default:
+//! [33] //! [34]
+        QMotifStyle::drawPrimitive(element, option, painter, widget);
+    }
+}
+//! [34]
+
+//! [35]
+void NorwegianWoodStyle::drawControl(ControlElement element,
+//! [35] //! [36]
+                                     const QStyleOption *option,
+                                     QPainter *painter,
+                                     const QWidget *widget) const
+{
+    switch (element) {
+    case CE_PushButtonLabel:
+        {
+            QStyleOptionButton myButtonOption;
+            const QStyleOptionButton *buttonOption =
+                    qstyleoption_cast<const QStyleOptionButton *>(option);
+            if (buttonOption) {
+                myButtonOption = *buttonOption;
+                if (myButtonOption.palette.currentColorGroup()
+                        != QPalette::Disabled) {
+                    if (myButtonOption.state & (State_Sunken | State_On)) {
+                        myButtonOption.palette.setBrush(QPalette::ButtonText,
+                                myButtonOption.palette.brightText());
+                    }
+                }
+            }
+            QMotifStyle::drawControl(element, &myButtonOption, painter, widget);
+        }
+        break;
+    default:
+        QMotifStyle::drawControl(element, option, painter, widget);
+    }
+}
+//! [36]
+
+//! [37]
+void NorwegianWoodStyle::setTexture(QPalette &palette, QPalette::ColorRole role,
+//! [37] //! [38]
+                                    const QPixmap &pixmap)
+{
+    for (int i = 0; i < QPalette::NColorGroups; ++i) {
+        QColor color = palette.brush(QPalette::ColorGroup(i), role).color();
+        palette.setBrush(QPalette::ColorGroup(i), role, QBrush(color, pixmap));
+    }
+}
+//! [38]
+
+//! [39]
+QPainterPath NorwegianWoodStyle::roundRectPath(const QRect &rect)
+//! [39] //! [40]
+{
+    int radius = qMin(rect.width(), rect.height()) / 2;
+    int diam = 2 * radius;
+
+    int x1, y1, x2, y2;
+    rect.getCoords(&x1, &y1, &x2, &y2);
+
+    QPainterPath path;
+    path.moveTo(x2, y1 + radius);
+    path.arcTo(QRect(x2 - diam, y1, diam, diam), 0.0, +90.0);
+    path.lineTo(x1 + radius, y1);
+    path.arcTo(QRect(x1, y1, diam, diam), 90.0, +90.0);
+    path.lineTo(x1, y2 - radius);
+    path.arcTo(QRect(x1, y2 - diam, diam, diam), 180.0, +90.0);
+    path.lineTo(x1 + radius, y2);
+    path.arcTo(QRect(x2 - diam, y2 - diam, diam, diam), 270.0, +90.0);
+    path.closeSubpath();
+    return path;
+}
+//! [40]
diff --git a/examples/widgets/styles/norwegianwoodstyle.h b/examples/widgets/styles/norwegianwoodstyle.h
new file mode 100644
index 0000000..07c7797
--- /dev/null
+++ b/examples/widgets/styles/norwegianwoodstyle.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** 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 NORWEGIANWOODSTYLE_H
+#define NORWEGIANWOODSTYLE_H
+
+#include <QMotifStyle>
+#include <QPalette>
+
+QT_BEGIN_NAMESPACE
+class QPainterPath;
+QT_END_NAMESPACE
+
+//! [0]
+class NorwegianWoodStyle : public QMotifStyle
+{
+    Q_OBJECT
+
+public:
+    NorwegianWoodStyle() {}
+
+    void polish(QPalette &palette);
+    void polish(QWidget *widget);
+    void unpolish(QWidget *widget);
+    int pixelMetric(PixelMetric metric, const QStyleOption *option,
+                    const QWidget *widget) const;
+    int styleHint(StyleHint hint, const QStyleOption *option,
+                  const QWidget *widget, QStyleHintReturn *returnData) const;
+    void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
+                       QPainter *painter, const QWidget *widget) const;
+    void drawControl(ControlElement control, const QStyleOption *option,
+                     QPainter *painter, const QWidget *widget) const;
+
+private:
+    static void setTexture(QPalette &palette, QPalette::ColorRole role,
+                           const QPixmap &pixmap);
+    static QPainterPath roundRectPath(const QRect &rect);
+};
+//! [0]
+
+#endif
diff --git a/examples/widgets/styles/styles.pro b/examples/widgets/styles/styles.pro
new file mode 100644
index 0000000..4c6c682
--- /dev/null
+++ b/examples/widgets/styles/styles.pro
@@ -0,0 +1,14 @@
+HEADERS       = norwegianwoodstyle.h \
+                widgetgallery.h
+SOURCES       = main.cpp \
+                norwegianwoodstyle.cpp \
+                widgetgallery.cpp
+RESOURCES     = styles.qrc
+
+REQUIRES += "contains(styles, motif)"
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/styles
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS styles.pro images
+sources.path = $$[QT_INSTALL_EXAMPLES]/widgets/styles
+INSTALLS += target sources
diff --git a/examples/widgets/styles/styles.qrc b/examples/widgets/styles/styles.qrc
new file mode 100644
index 0000000..4fdad8d
--- /dev/null
+++ b/examples/widgets/styles/styles.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>images/woodbutton.png</file>
+    <file>images/woodbackground.png</file>
+</qresource>
+</RCC>
diff --git a/examples/widgets/styles/widgetgallery.cpp b/examples/widgets/styles/widgetgallery.cpp
new file mode 100644
index 0000000..9a071a6
--- /dev/null
+++ b/examples/widgets/styles/widgetgallery.cpp
@@ -0,0 +1,276 @@
+/****************************************************************************
+**
+** 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 "norwegianwoodstyle.h"
+#include "widgetgallery.h"
+
+//! [0]
+WidgetGallery::WidgetGallery(QWidget *parent)
+    : QDialog(parent)
+{
+    originalPalette = QApplication::palette();
+
+    styleComboBox = new QComboBox;
+    styleComboBox->addItem("NorwegianWood");
+    styleComboBox->addItems(QStyleFactory::keys());
+
+    styleLabel = new QLabel(tr("&Style:"));
+    styleLabel->setBuddy(styleComboBox);
+
+    useStylePaletteCheckBox = new QCheckBox(tr("&Use style's standard palette"));
+    useStylePaletteCheckBox->setChecked(true);
+
+    disableWidgetsCheckBox = new QCheckBox(tr("&Disable widgets"));
+
+    createTopLeftGroupBox();
+    createTopRightGroupBox();
+    createBottomLeftTabWidget();
+    createBottomRightGroupBox();
+    createProgressBar();
+//! [0]
+
+//! [1]
+    connect(styleComboBox, SIGNAL(activated(const QString &)),
+//! [1] //! [2]
+            this, SLOT(changeStyle(const QString &)));
+    connect(useStylePaletteCheckBox, SIGNAL(toggled(bool)),
+            this, SLOT(changePalette()));
+    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),
+            topLeftGroupBox, SLOT(setDisabled(bool)));
+    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),
+            topRightGroupBox, SLOT(setDisabled(bool)));
+    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),
+            bottomLeftTabWidget, SLOT(setDisabled(bool)));
+    connect(disableWidgetsCheckBox, SIGNAL(toggled(bool)),
+            bottomRightGroupBox, SLOT(setDisabled(bool)));
+//! [2]
+
+//! [3]
+    QHBoxLayout *topLayout = new QHBoxLayout;
+//! [3] //! [4]
+    topLayout->addWidget(styleLabel);
+    topLayout->addWidget(styleComboBox);
+    topLayout->addStretch(1);
+    topLayout->addWidget(useStylePaletteCheckBox);
+    topLayout->addWidget(disableWidgetsCheckBox);
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addLayout(topLayout, 0, 0, 1, 2);
+    mainLayout->addWidget(topLeftGroupBox, 1, 0);
+    mainLayout->addWidget(topRightGroupBox, 1, 1);
+    mainLayout->addWidget(bottomLeftTabWidget, 2, 0);
+    mainLayout->addWidget(bottomRightGroupBox, 2, 1);
+    mainLayout->addWidget(progressBar, 3, 0, 1, 2);
+    mainLayout->setRowStretch(1, 1);
+    mainLayout->setRowStretch(2, 1);
+    mainLayout->setColumnStretch(0, 1);
+    mainLayout->setColumnStretch(1, 1);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Styles"));
+    changeStyle("NorwegianWood");
+}
+//! [4]
+
+//! [5]
+void WidgetGallery::changeStyle(const QString &styleName)
+//! [5] //! [6]
+{
+    if (styleName == "NorwegianWood") {
+        QApplication::setStyle(new NorwegianWoodStyle);
+    } else {
+        QApplication::setStyle(QStyleFactory::create(styleName));
+    }
+    changePalette();
+}
+//! [6]
+
+//! [7]
+void WidgetGallery::changePalette()
+//! [7] //! [8]
+{
+    if (useStylePaletteCheckBox->isChecked())
+        QApplication::setPalette(QApplication::style()->standardPalette());
+    else
+        QApplication::setPalette(originalPalette);
+}
+//! [8]
+
+//! [9]
+void WidgetGallery::advanceProgressBar()
+//! [9] //! [10]
+{
+    int curVal = progressBar->value();
+    int maxVal = progressBar->maximum();
+    progressBar->setValue(curVal + (maxVal - curVal) / 100);
+}
+//! [10]
+
+//! [11]
+void WidgetGallery::createTopLeftGroupBox()
+//! [11] //! [12]
+{
+    topLeftGroupBox = new QGroupBox(tr("Group 1"));
+
+    radioButton1 = new QRadioButton(tr("Radio button 1"));
+    radioButton2 = new QRadioButton(tr("Radio button 2"));
+    radioButton3 = new QRadioButton(tr("Radio button 3"));
+    radioButton1->setChecked(true);
+
+    checkBox = new QCheckBox(tr("Tri-state check box"));
+    checkBox->setTristate(true);
+    checkBox->setCheckState(Qt::PartiallyChecked);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(radioButton1);
+    layout->addWidget(radioButton2);
+    layout->addWidget(radioButton3);
+    layout->addWidget(checkBox);
+    layout->addStretch(1);
+    topLeftGroupBox->setLayout(layout);
+}
+//! [12]
+
+void WidgetGallery::createTopRightGroupBox()
+{
+    topRightGroupBox = new QGroupBox(tr("Group 2"));
+
+    defaultPushButton = new QPushButton(tr("Default Push Button"));
+    defaultPushButton->setDefault(true);
+
+    togglePushButton = new QPushButton(tr("Toggle Push Button"));
+    togglePushButton->setCheckable(true);
+    togglePushButton->setChecked(true);
+
+    flatPushButton = new QPushButton(tr("Flat Push Button"));
+    flatPushButton->setFlat(true);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(defaultPushButton);
+    layout->addWidget(togglePushButton);
+    layout->addWidget(flatPushButton);
+    layout->addStretch(1);
+    topRightGroupBox->setLayout(layout);
+}
+
+void WidgetGallery::createBottomLeftTabWidget()
+{
+    bottomLeftTabWidget = new QTabWidget;
+    bottomLeftTabWidget->setSizePolicy(QSizePolicy::Preferred,
+                                       QSizePolicy::Ignored);
+
+    QWidget *tab1 = new QWidget;
+    tableWidget = new QTableWidget(10, 10);
+
+    QHBoxLayout *tab1hbox = new QHBoxLayout;
+    tab1hbox->setMargin(5);
+    tab1hbox->addWidget(tableWidget);
+    tab1->setLayout(tab1hbox);
+
+    QWidget *tab2 = new QWidget;
+    textEdit = new QTextEdit;
+
+    textEdit->setPlainText(tr("Twinkle, twinkle, little star,\n"
+                              "How I wonder what you are.\n"
+                              "Up above the world so high,\n"
+                              "Like a diamond in the sky.\n"
+                              "Twinkle, twinkle, little star,\n"
+                              "How I wonder what you are!\n"));
+                     
+    QHBoxLayout *tab2hbox = new QHBoxLayout;
+    tab2hbox->setMargin(5);
+    tab2hbox->addWidget(textEdit);
+    tab2->setLayout(tab2hbox);
+
+    bottomLeftTabWidget->addTab(tab1, tr("&Table"));
+    bottomLeftTabWidget->addTab(tab2, tr("Text &Edit"));
+}
+
+void WidgetGallery::createBottomRightGroupBox()
+{
+    bottomRightGroupBox = new QGroupBox(tr("Group 3"));
+    bottomRightGroupBox->setCheckable(true);
+    bottomRightGroupBox->setChecked(true);
+
+    lineEdit = new QLineEdit("s3cRe7");
+    lineEdit->setEchoMode(QLineEdit::Password);
+
+    spinBox = new QSpinBox(bottomRightGroupBox);
+    spinBox->setValue(50);
+
+    dateTimeEdit = new QDateTimeEdit(bottomRightGroupBox);
+    dateTimeEdit->setDateTime(QDateTime::currentDateTime());
+
+    slider = new QSlider(Qt::Horizontal, bottomRightGroupBox);
+    slider->setValue(40);
+
+    scrollBar = new QScrollBar(Qt::Horizontal, bottomRightGroupBox);
+    scrollBar->setValue(60);
+
+    dial = new QDial(bottomRightGroupBox);
+    dial->setValue(30);
+    dial->setNotchesVisible(true);
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(lineEdit, 0, 0, 1, 2);
+    layout->addWidget(spinBox, 1, 0, 1, 2);
+    layout->addWidget(dateTimeEdit, 2, 0, 1, 2);
+    layout->addWidget(slider, 3, 0);
+    layout->addWidget(scrollBar, 4, 0);
+    layout->addWidget(dial, 3, 1, 2, 1);
+    layout->setRowStretch(5, 1);
+    bottomRightGroupBox->setLayout(layout);
+}
+
+//! [13]
+void WidgetGallery::createProgressBar()
+{
+    progressBar = new QProgressBar;
+    progressBar->setRange(0, 10000);
+    progressBar->setValue(0);
+
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(advanceProgressBar()));
+    timer->start(1000);
+}
+//! [13]
diff --git a/examples/widgets/styles/widgetgallery.h b/examples/widgets/styles/widgetgallery.h
new file mode 100644
index 0000000..f9f1723
--- /dev/null
+++ b/examples/widgets/styles/widgetgallery.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** 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 WIDGETGALLERY_H
+#define WIDGETGALLERY_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QCheckBox;
+class QComboBox;
+class QDateTimeEdit;
+class QDial;
+class QGroupBox;
+class QLabel;
+class QLineEdit;
+class QProgressBar;
+class QPushButton;
+class QRadioButton;
+class QScrollBar;
+class QSlider;
+class QSpinBox;
+class QTabWidget;
+class QTableWidget;
+class QTextEdit;
+QT_END_NAMESPACE
+
+//! [0]
+class WidgetGallery : public QDialog
+{
+    Q_OBJECT
+
+public:
+    WidgetGallery(QWidget *parent = 0);
+
+private slots:
+    void changeStyle(const QString &styleName);
+    void changePalette();
+    void advanceProgressBar();
+
+private:
+    void createTopLeftGroupBox();
+    void createTopRightGroupBox();
+    void createBottomLeftTabWidget();
+    void createBottomRightGroupBox();
+    void createProgressBar();
+
+    QPalette originalPalette;
+ 
+    QLabel *styleLabel;
+    QComboBox *styleComboBox;
+    QCheckBox *useStylePaletteCheckBox;
+    QCheckBox *disableWidgetsCheckBox;
+//! [0]
+
+    QGroupBox *topLeftGroupBox;
+    QRadioButton *radioButton1;
+    QRadioButton *radioButton2;
+    QRadioButton *radioButton3;
+    QCheckBox *checkBox;
+
+    QGroupBox *topRightGroupBox;
+    QPushButton *defaultPushButton;
+    QPushButton *togglePushButton;
+    QPushButton *flatPushButton;
+
+    QTabWidget *bottomLeftTabWidget;
+    QTableWidget *tableWidget;
+    QTextEdit *textEdit;
+
+    QGroupBox *bottomRightGroupBox;
+    QLineEdit *lineEdit;
+    QSpinBox *spinBox;
+    QDateTimeEdit *dateTimeEdit;
+    QSlider *slider;
+    QScrollBar *scrollBar;
+    QDial *dial;
+
+    QProgressBar *progressBar;
+//! [1]
+};
+//! [1]
+
+#endif