diff -r 41300fa6a67c -r f7bc934e204c doc/src/snippets/qstyleoption/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/qstyleoption/main.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QApplication>
+
+class MyPushButton : public QPushButton
+{
+public:
+    MyPushButton(QWidget *parent = 0);
+
+    void paintEvent(QPaintEvent *);
+};
+
+MyPushButton::MyPushButton(QWidget *parent)
+    : QPushButton(parent)
+{
+}
+
+//! [0]
+void MyPushButton::paintEvent(QPaintEvent *)
+{
+    QStyleOptionButton option;
+    option.initFrom(this);
+    option.state = isDown() ? QStyle::State_Sunken : QStyle::State_Raised;
+    if (isDefault())
+        option.features |= QStyleOptionButton::DefaultButton;
+    option.text = text();
+    option.icon = icon();
+
+    QPainter painter(this);
+    style()->drawControl(QStyle::CE_PushButton, &option, &painter, this);
+}
+//! [0]
+
+
+
+class MyStyle : public QStyle
+{
+public:
+    MyStyle();
+
+    void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
+                       QPainter *painter, const QWidget *widget);
+};
+
+MyStyle::MyStyle()
+{
+//! [1]
+    QStyleOptionFrame *option;
+
+    if (const QStyleOptionFrame *frameOption =
+           qstyleoption_cast<const QStyleOptionFrame *>(option)) {
+        QStyleOptionFrameV2 frameOptionV2(*frameOption);
+
+        // draw the frame using frameOptionV2
+    }
+//! [1]
+
+//! [2]
+    if (const QStyleOptionProgressBar *progressBarOption =
+           qstyleoption_cast<const QStyleOptionProgressBar *>(option)) {
+        QStyleOptionProgressBarV2 progressBarV2(*progressBarOption);
+
+        // draw the progress bar using progressBarV2
+    }
+//! [2]
+
+//! [3]
+    if (const QStyleOptionTab *tabOption =
+           qstyleoption_cast<const QStyleOptionTab *>(option)) {
+        QStyleOptionTabV2 tabV2(*tabOption);
+
+        // draw the tab using tabV2
+   }
+//! [3]
+}
+
+//! [4]
+void MyStyle::drawPrimitive(PrimitiveElement element,
+                            const QStyleOption *option,
+                            QPainter *painter,
+                            const QWidget *widget)
+{
+    if (element == PE_FrameFocusRect) {
+        const QStyleOptionFocusRect *focusRectOption =
+                qstyleoption_cast<const QStyleOptionFocusRect *>(option);
+        if (focusRectOption) {
+            // ...
+        }
+    }
+    // ...
+}
+//! [4]
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MyPushButton button;
+    button.show();
+    return app.exec();
+}