Initial import from the monolithic Qt.

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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

22 files changed, 1533 insertions, 0 deletions

diff --git a/examples/touch/dials/dials.pro b/examples/touch/dials/dials.pro
new file mode 100644
index 0000000000..7f8ec9b616
--- /dev/null
+++ b/examples/touch/dials/dials.pro
@@ -0,0 +1,8 @@
+SOURCES += main.cpp
+FORMS += dials.ui
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/dials
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS dials.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/dials
+INSTALLS += target sources
diff --git a/examples/touch/dials/dials.ui b/examples/touch/dials/dials.ui
new file mode 100644
index 0000000000..8ca7ae9475
--- /dev/null
+++ b/examples/touch/dials/dials.ui
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dials</class>
+ <widget class="QWidget" name="Dials">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QDial" name="dial_1">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QDial" name="dial_2">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="2">
+    <widget class="QDial" name="dial_3">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="3">
+    <widget class="QDial" name="dial_4">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QDial" name="dial_5">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QDial" name="dial_6">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="2">
+    <widget class="QDial" name="dial_7">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="3">
+    <widget class="QDial" name="dial_8">
+     <property name="notchesVisible">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/examples/touch/dials/main.cpp b/examples/touch/dials/main.cpp
new file mode 100644
index 0000000000..f361984b31
--- /dev/null
+++ b/examples/touch/dials/main.cpp
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** 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 QtGui module 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 <QWidget>
+#include <QDial>
+
+#include "ui_dials.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    QWidget window;
+    Ui::Dials dialsUi;
+    dialsUi.setupUi(&window);
+    QList<QAbstractSlider *> sliders = window.findChildren<QAbstractSlider *>();
+    foreach (QAbstractSlider *slider, sliders)
+        slider->setAttribute(Qt::WA_AcceptTouchEvents);
+    window.showMaximized();
+    return app.exec();
+}
diff --git a/examples/touch/fingerpaint/fingerpaint.pro b/examples/touch/fingerpaint/fingerpaint.pro
new file mode 100644
index 0000000000..21e4294cf8
--- /dev/null
+++ b/examples/touch/fingerpaint/fingerpaint.pro
@@ -0,0 +1,11 @@
+HEADERS       = mainwindow.h \
+                scribblearea.h
+SOURCES       = main.cpp \
+                mainwindow.cpp \
+                scribblearea.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/fingerpaint
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS fingerpaint.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/fingerpaint
+INSTALLS += target sources
diff --git a/examples/touch/fingerpaint/main.cpp b/examples/touch/fingerpaint/main.cpp
new file mode 100644
index 0000000000..e50c13b230
--- /dev/null
+++ b/examples/touch/fingerpaint/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** 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 "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    window.showMaximized();
+    return app.exec();
+}
diff --git a/examples/touch/fingerpaint/mainwindow.cpp b/examples/touch/fingerpaint/mainwindow.cpp
new file mode 100644
index 0000000000..37b7ed73f4
--- /dev/null
+++ b/examples/touch/fingerpaint/mainwindow.cpp
@@ -0,0 +1,217 @@
+/****************************************************************************
+**
+** 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 "mainwindow.h"
+#include "scribblearea.h"
+
+//! [0]
+MainWindow::MainWindow()
+{
+    scribbleArea = new ScribbleArea;
+    setCentralWidget(scribbleArea);
+
+    createActions();
+    createMenus();
+
+    setWindowTitle(tr("Finger Paint"));
+    resize(500, 500);
+}
+//! [0]
+
+//! [1]
+void MainWindow::closeEvent(QCloseEvent *event)
+//! [1] //! [2]
+{
+    if (maybeSave()) {
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+//! [2]
+
+//! [3]
+void MainWindow::open()
+//! [3] //! [4]
+{
+    if (maybeSave()) {
+        QString fileName = QFileDialog::getOpenFileName(this,
+                                   tr("Open File"), QDir::currentPath());
+        if (!fileName.isEmpty())
+            scribbleArea->openImage(fileName);
+    }
+}
+//! [4]
+
+//! [5]
+void MainWindow::save()
+//! [5] //! [6]
+{
+    QAction *action = qobject_cast<QAction *>(sender());
+    QByteArray fileFormat = action->data().toByteArray();
+    saveFile(fileFormat);
+}
+//! [6]
+
+//! [11]
+void MainWindow::about()
+//! [11] //! [12]
+{
+    QMessageBox::about(this, tr("About Scribble"),
+            tr("<p>The <b>Scribble</b> example shows how to use QMainWindow as the "
+               "base widget for an application, and how to reimplement some of "
+               "QWidget's event handlers to receive the events generated for "
+               "the application's widgets:</p><p> We reimplement the mouse event "
+               "handlers to facilitate drawing, the paint event handler to "
+               "update the application and the resize event handler to optimize "
+               "the application's appearance. In addition we reimplement the "
+               "close event handler to intercept the close events before "
+               "terminating the application.</p><p> The example also demonstrates "
+               "how to use QPainter to draw an image in real time, as well as "
+               "to repaint widgets.</p>"));
+}
+//! [12]
+
+//! [13]
+void MainWindow::createActions()
+//! [13] //! [14]
+{
+    openAct = new QAction(tr("&Open..."), this);
+    openAct->setShortcut(tr("Ctrl+O"));
+    connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
+
+    foreach (QByteArray format, QImageWriter::supportedImageFormats()) {
+        QString text = tr("%1...").arg(QString(format).toUpper());
+
+        QAction *action = new QAction(text, this);
+        action->setData(format);
+        connect(action, SIGNAL(triggered()), this, SLOT(save()));
+        saveAsActs.append(action);
+    }
+
+    printAct = new QAction(tr("&Print..."), this);
+    connect(printAct, SIGNAL(triggered()), scribbleArea, SLOT(print()));
+
+    exitAct = new QAction(tr("E&xit"), this);
+    exitAct->setShortcut(tr("Ctrl+Q"));
+    connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
+
+    clearScreenAct = new QAction(tr("&Clear Screen"), this);
+    clearScreenAct->setShortcut(tr("Ctrl+L"));
+    connect(clearScreenAct, SIGNAL(triggered()),
+            scribbleArea, SLOT(clearImage()));
+
+    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()));
+}
+//! [14]
+
+//! [15]
+void MainWindow::createMenus()
+//! [15] //! [16]
+{
+    saveAsMenu = new QMenu(tr("&Save As"), this);
+    foreach (QAction *action, saveAsActs)
+        saveAsMenu->addAction(action);
+
+    fileMenu = new QMenu(tr("&File"), this);
+    fileMenu->addAction(openAct);
+    fileMenu->addMenu(saveAsMenu);
+    fileMenu->addAction(printAct);
+    fileMenu->addSeparator();
+    fileMenu->addAction(exitAct);
+
+    optionMenu = new QMenu(tr("&Options"), this);
+    optionMenu->addAction(clearScreenAct);
+
+    helpMenu = new QMenu(tr("&Help"), this);
+    helpMenu->addAction(aboutAct);
+    helpMenu->addAction(aboutQtAct);
+
+    menuBar()->addMenu(fileMenu);
+    menuBar()->addMenu(optionMenu);
+    menuBar()->addMenu(helpMenu);
+}
+//! [16]
+
+//! [17]
+bool MainWindow::maybeSave()
+//! [17] //! [18]
+{
+    if (scribbleArea->isModified()) {
+       QMessageBox::StandardButton ret;
+       ret = QMessageBox::warning(this, tr("Scribble"),
+                          tr("The image has been modified.\n"
+                             "Do you want to save your changes?"),
+                          QMessageBox::Save | QMessageBox::Discard
+			  | QMessageBox::Cancel);
+        if (ret == QMessageBox::Save) {
+            return saveFile("png");
+        } else if (ret == QMessageBox::Cancel) {
+            return false;
+        }
+    }
+    return true;
+}
+//! [18]
+
+//! [19]
+bool MainWindow::saveFile(const QByteArray &fileFormat)
+//! [19] //! [20]
+{
+    QString initialPath = QDir::currentPath() + "/untitled." + fileFormat;
+
+    QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"),
+                               initialPath,
+                               tr("%1 Files (*.%2);;All Files (*)")
+                               .arg(QString(fileFormat.toUpper()))
+                               .arg(QString(fileFormat)));
+    if (fileName.isEmpty()) {
+        return false;
+    } else {
+        return scribbleArea->saveImage(fileName, fileFormat);
+    }
+}
+//! [20]
diff --git a/examples/touch/fingerpaint/mainwindow.h b/examples/touch/fingerpaint/mainwindow.h
new file mode 100644
index 0000000000..cd08e223d7
--- /dev/null
+++ b/examples/touch/fingerpaint/mainwindow.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** 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 MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QList>
+#include <QMainWindow>
+
+class ScribbleArea;
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+protected:
+    void closeEvent(QCloseEvent *event);
+
+private slots:
+    void open();
+    void save();
+    void about();
+
+private:
+    void createActions();
+    void createMenus();
+    bool maybeSave();
+    bool saveFile(const QByteArray &fileFormat);
+
+    ScribbleArea *scribbleArea;
+
+    QMenu *saveAsMenu;
+    QMenu *fileMenu;
+    QMenu *optionMenu;
+    QMenu *helpMenu;
+
+    QAction *openAct;
+    QList<QAction *> saveAsActs;
+    QAction *exitAct;
+    QAction *printAct;
+    QAction *clearScreenAct;
+    QAction *aboutAct;
+    QAction *aboutQtAct;
+};
+//! [0]
+
+#endif
diff --git a/examples/touch/fingerpaint/scribblearea.cpp b/examples/touch/fingerpaint/scribblearea.cpp
new file mode 100644
index 0000000000..f66e61cfd3
--- /dev/null
+++ b/examples/touch/fingerpaint/scribblearea.cpp
@@ -0,0 +1,211 @@
+/****************************************************************************
+**
+** 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 "scribblearea.h"
+
+//! [0]
+ScribbleArea::ScribbleArea(QWidget *parent)
+    : QWidget(parent)
+{
+    setAttribute(Qt::WA_AcceptTouchEvents);
+    setAttribute(Qt::WA_StaticContents);
+    modified = false;
+
+    myPenColors
+            << QColor("green")
+            << QColor("purple")
+            << QColor("red")
+            << QColor("blue")
+            << QColor("yellow")
+
+            << QColor("pink")
+            << QColor("orange")
+            << QColor("brown")
+            << QColor("grey")
+            << QColor("black");
+}
+//! [0]
+
+//! [1]
+bool ScribbleArea::openImage(const QString &fileName)
+//! [1] //! [2]
+{
+    QImage loadedImage;
+    if (!loadedImage.load(fileName))
+        return false;
+
+    QSize newSize = loadedImage.size().expandedTo(size());
+    resizeImage(&loadedImage, newSize);
+    image = loadedImage;
+    modified = false;
+    update();
+    return true;
+}
+//! [2]
+
+//! [3]
+bool ScribbleArea::saveImage(const QString &fileName, const char *fileFormat)
+//! [3] //! [4]
+{
+    QImage visibleImage = image;
+    resizeImage(&visibleImage, size());
+
+    if (visibleImage.save(fileName, fileFormat)) {
+        modified = false;
+        return true;
+    } else {
+        return false;
+    }
+}
+//! [4]
+
+//! [9]
+void ScribbleArea::clearImage()
+//! [9] //! [10]
+{
+    image.fill(qRgb(255, 255, 255));
+    modified = true;
+    update();
+}
+//! [10]
+
+//! [12] //! [13]
+void ScribbleArea::paintEvent(QPaintEvent *event)
+//! [13] //! [14]
+{
+    QPainter painter(this);
+    const QRect rect = event->rect();
+    painter.drawImage(rect.topLeft(), image, rect);
+}
+//! [14]
+
+//! [15]
+void ScribbleArea::resizeEvent(QResizeEvent *event)
+//! [15] //! [16]
+{
+    if (width() > image.width() || height() > image.height()) {
+        int newWidth = qMax(width() + 128, image.width());
+        int newHeight = qMax(height() + 128, image.height());
+        resizeImage(&image, QSize(newWidth, newHeight));
+        update();
+    }
+    QWidget::resizeEvent(event);
+}
+//! [16]
+
+//! [19]
+void ScribbleArea::resizeImage(QImage *image, const QSize &newSize)
+//! [19] //! [20]
+{
+    if (image->size() == newSize)
+        return;
+
+    QImage newImage(newSize, QImage::Format_RGB32);
+    newImage.fill(qRgb(255, 255, 255));
+    QPainter painter(&newImage);
+    painter.drawImage(QPoint(0, 0), *image);
+    *image = newImage;
+}
+//! [20]
+
+//! [21]
+void ScribbleArea::print()
+{
+#ifndef QT_NO_PRINTER
+    QPrinter printer(QPrinter::HighResolution);
+
+    QPrintDialog *printDialog = new QPrintDialog(&printer, this);
+//! [21] //! [22]
+    if (printDialog->exec() == QDialog::Accepted) {
+        QPainter painter(&printer);
+        QRect rect = painter.viewport();
+        QSize size = image.size();
+        size.scale(rect.size(), Qt::KeepAspectRatio);
+        painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
+        painter.setWindow(image.rect());
+        painter.drawImage(0, 0, image);
+    }
+#endif // QT_NO_PRINTER
+}
+//! [22]
+
+bool ScribbleArea::event(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::TouchBegin:
+    case QEvent::TouchUpdate:
+    case QEvent::TouchEnd:
+    {
+        QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints();
+        foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) {
+            switch (touchPoint.state()) {
+            case Qt::TouchPointStationary:
+                // don't do anything if this touch point hasn't moved
+                continue;
+            default:
+                {
+                    QRectF rect = touchPoint.rect();
+                    if (rect.isEmpty()) {
+                        qreal diameter = qreal(50) * touchPoint.pressure();
+                        rect.setSize(QSizeF(diameter, diameter));
+                    }
+
+                    QPainter painter(&image);
+                    painter.setPen(Qt::NoPen);
+                    painter.setBrush(myPenColors.at(touchPoint.id() % myPenColors.count()));
+                    painter.drawEllipse(rect);
+                    painter.end();
+
+                    modified = true;
+                    int rad = 2;
+                    update(rect.toRect().adjusted(-rad,-rad, +rad, +rad));
+                }
+                break;
+            }
+        }
+        break;
+    }
+    default:
+        return QWidget::event(event);
+    }
+    return true;
+}
diff --git a/examples/touch/fingerpaint/scribblearea.h b/examples/touch/fingerpaint/scribblearea.h
new file mode 100644
index 0000000000..e698be4f2d
--- /dev/null
+++ b/examples/touch/fingerpaint/scribblearea.h
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** 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 SCRIBBLEAREA_H
+#define SCRIBBLEAREA_H
+
+#include <QColor>
+#include <QImage>
+#include <QPoint>
+#include <QWidget>
+
+//! [0]
+class ScribbleArea : public QWidget
+{
+    Q_OBJECT
+
+public:
+    ScribbleArea(QWidget *parent = 0);
+
+    bool openImage(const QString &fileName);
+    bool saveImage(const QString &fileName, const char *fileFormat);
+
+    bool isModified() const { return modified; }
+
+public slots:
+    void clearImage();
+    void print();
+
+protected:
+    void paintEvent(QPaintEvent *event);
+    void resizeEvent(QResizeEvent *event);
+    bool event(QEvent *event);
+
+private:
+    void resizeImage(QImage *image, const QSize &newSize);
+
+    bool modified;
+    QList<QColor> myPenColors;
+    QImage image;
+};
+//! [0]
+
+#endif
diff --git a/examples/touch/knobs/knob.cpp b/examples/touch/knobs/knob.cpp
new file mode 100644
index 0000000000..031c0e10da
--- /dev/null
+++ b/examples/touch/knobs/knob.cpp
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** 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 "knob.h"
+
+#include <QBrush>
+#include <QTouchEvent>
+
+Knob::Knob()
+    : QGraphicsEllipseItem(-50, -50, 100, 100)
+{
+    setAcceptTouchEvents(true);
+    setBrush(Qt::lightGray);
+
+    QGraphicsEllipseItem *leftItem = new QGraphicsEllipseItem(0, 0, 20, 20, this);
+    leftItem->setPos(-40, -10);
+    leftItem->setBrush(Qt::darkGreen);
+
+    QGraphicsEllipseItem *rightItem = new QGraphicsEllipseItem(0, 0, 20, 20, this);
+    rightItem->setPos(20, -10);
+    rightItem->setBrush(Qt::darkRed);
+}
+
+bool Knob::sceneEvent(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::TouchBegin:
+    case QEvent::TouchUpdate:
+    case QEvent::TouchEnd:
+    {
+        QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
+
+        if (touchEvent->touchPoints().count() == 2) {
+            const QTouchEvent::TouchPoint &touchPoint1 = touchEvent->touchPoints().first();
+            const QTouchEvent::TouchPoint &touchPoint2 = touchEvent->touchPoints().last();
+
+            QLineF line1(touchPoint1.lastScenePos(), touchPoint2.lastScenePos());
+            QLineF line2(touchPoint1.scenePos(), touchPoint2.scenePos());
+
+            rotate(line2.angleTo(line1));
+        }
+
+        break;
+    }
+
+    default:
+        return QGraphicsItem::sceneEvent(event);
+    }
+
+    return true;
+}
diff --git a/examples/touch/knobs/knob.h b/examples/touch/knobs/knob.h
new file mode 100644
index 0000000000..863df532f5
--- /dev/null
+++ b/examples/touch/knobs/knob.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** 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 KNOB_H
+#define KNOB_H
+
+#include <QGraphicsItem>
+
+class Knob : public QGraphicsEllipseItem
+{
+public:
+    Knob();
+
+    bool sceneEvent(QEvent *event);
+};
+
+#endif // KNOB_H
diff --git a/examples/touch/knobs/knobs.pro b/examples/touch/knobs/knobs.pro
new file mode 100644
index 0000000000..c1caa98dfd
--- /dev/null
+++ b/examples/touch/knobs/knobs.pro
@@ -0,0 +1,8 @@
+HEADERS = knob.h
+SOURCES = main.cpp knob.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/knobs
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS knobs.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/knobs
+INSTALLS += target sources
diff --git a/examples/touch/knobs/main.cpp b/examples/touch/knobs/main.cpp
new file mode 100644
index 0000000000..8ffa81944a
--- /dev/null
+++ b/examples/touch/knobs/main.cpp
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** 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 <QGraphicsView>
+
+#include "knob.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    QGraphicsView view(&scene);
+
+    Knob *knob1 = new Knob;
+    knob1->setPos(-110, 0);
+    Knob *knob2 = new Knob;
+
+    scene.addItem(knob1);
+    scene.addItem(knob2);
+
+    view.showMaximized();
+    view.fitInView(scene.sceneRect().adjusted(-20, -20, 20, 20), Qt::KeepAspectRatio);
+
+    return app.exec();
+}
diff --git a/examples/touch/pinchzoom/graphicsview.cpp b/examples/touch/pinchzoom/graphicsview.cpp
new file mode 100644
index 0000000000..8c30857b64
--- /dev/null
+++ b/examples/touch/pinchzoom/graphicsview.cpp
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** 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 "graphicsview.h"
+
+#include <QScrollBar>
+#include <QTouchEvent>
+
+GraphicsView::GraphicsView(QGraphicsScene *scene, QWidget *parent)
+    : QGraphicsView(scene, parent), totalScaleFactor(1)
+{
+    viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
+    setDragMode(ScrollHandDrag);
+}
+
+bool GraphicsView::viewportEvent(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::TouchBegin:
+    case QEvent::TouchUpdate:
+    case QEvent::TouchEnd:
+    {
+        QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
+        QList<QTouchEvent::TouchPoint> touchPoints = touchEvent->touchPoints();
+        if (touchPoints.count() == 2) {
+            // determine scale factor
+            const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
+            const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
+            qreal currentScaleFactor =
+                    QLineF(touchPoint0.pos(), touchPoint1.pos()).length()
+                    / QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length();
+            if (touchEvent->touchPointStates() & Qt::TouchPointReleased) {
+                // if one of the fingers is released, remember the current scale
+                // factor so that adding another finger later will continue zooming
+                // by adding new scale factor to the existing remembered value.
+                totalScaleFactor *= currentScaleFactor;
+                currentScaleFactor = 1;
+            }
+            setTransform(QTransform().scale(totalScaleFactor * currentScaleFactor,
+                                            totalScaleFactor * currentScaleFactor));
+        }
+        return true;
+    }
+    default:
+        break;
+    }
+    return QGraphicsView::viewportEvent(event);
+}
diff --git a/examples/touch/pinchzoom/graphicsview.h b/examples/touch/pinchzoom/graphicsview.h
new file mode 100644
index 0000000000..3f227f4fc6
--- /dev/null
+++ b/examples/touch/pinchzoom/graphicsview.h
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+#include <QGraphicsView>
+
+class GraphicsView : public QGraphicsView
+{
+    Q_OBJECT
+
+public:
+    GraphicsView(QGraphicsScene *scene = 0, QWidget *parent = 0);
+
+    bool viewportEvent(QEvent *event);
+
+private:
+    qreal totalScaleFactor;
+};
diff --git a/examples/touch/pinchzoom/images/cheese.jpg b/examples/touch/pinchzoom/images/cheese.jpg
new file mode 100644
index 0000000000..dea5795fd0
--- /dev/null
+++ b/examples/touch/pinchzoom/images/cheese.jpg
diff --git a/examples/touch/pinchzoom/main.cpp b/examples/touch/pinchzoom/main.cpp
new file mode 100644
index 0000000000..defe0028af
--- /dev/null
+++ b/examples/touch/pinchzoom/main.cpp
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** 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 "graphicsview.h"
+#include "mouse.h"
+
+#include <QtGui>
+
+#include <math.h>
+
+static const int MouseCount = 7;
+
+//! [0]
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
+//! [0]
+
+//! [1]
+    QGraphicsScene scene;
+    scene.setSceneRect(-300, -300, 600, 600);
+//! [1] //! [2]
+    scene.setItemIndexMethod(QGraphicsScene::NoIndex);
+//! [2]
+
+//! [3]
+    for (int i = 0; i < MouseCount; ++i) {
+        Mouse *mouse = new Mouse;
+        mouse->setPos(::sin((i * 6.28) / MouseCount) * 200,
+                      ::cos((i * 6.28) / MouseCount) * 200);
+        scene.addItem(mouse);
+    }
+//! [3]
+
+//! [4]
+    GraphicsView view(&scene);
+    view.setRenderHint(QPainter::Antialiasing);
+    view.setBackgroundBrush(QPixmap(":/images/cheese.jpg"));
+//! [4] //! [5]
+    view.setCacheMode(QGraphicsView::CacheBackground);
+    view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+//! [5] //! [6]
+    view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice"));
+    view.showMaximized();
+
+    return app.exec();
+}
+//! [6]
diff --git a/examples/touch/pinchzoom/mice.qrc b/examples/touch/pinchzoom/mice.qrc
new file mode 100644
index 0000000000..accdb4d0a6
--- /dev/null
+++ b/examples/touch/pinchzoom/mice.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/" >
+        <file>images/cheese.jpg</file>
+    </qresource>
+</RCC>
diff --git a/examples/touch/pinchzoom/mouse.cpp b/examples/touch/pinchzoom/mouse.cpp
new file mode 100644
index 0000000000..74ff462f78
--- /dev/null
+++ b/examples/touch/pinchzoom/mouse.cpp
@@ -0,0 +1,199 @@
+/****************************************************************************
+**
+** 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 "mouse.h"
+
+#include <QGraphicsScene>
+#include <QPainter>
+#include <QStyleOption>
+
+#include <math.h>
+
+static const double Pi = 3.14159265358979323846264338327950288419717;
+static double TwoPi = 2.0 * Pi;
+
+static qreal normalizeAngle(qreal angle)
+{
+    while (angle < 0)
+        angle += TwoPi;
+    while (angle > TwoPi)
+        angle -= TwoPi;
+    return angle;
+}
+
+//! [0]
+Mouse::Mouse()
+    : angle(0), speed(0), mouseEyeDirection(0),
+      color(qrand() % 256, qrand() % 256, qrand() % 256)
+{
+    rotate(qrand() % (360 * 16));
+    startTimer(1000 / 33);
+}
+//! [0]
+
+//! [1]
+QRectF Mouse::boundingRect() const
+{
+    qreal adjust = 0.5;
+    return QRectF(-18 - adjust, -22 - adjust,
+                  36 + adjust, 60 + adjust);
+}
+//! [1]
+
+//! [2]
+QPainterPath Mouse::shape() const
+{
+    QPainterPath path;
+    path.addRect(-10, -20, 20, 40);
+    return path;
+}
+//! [2]
+
+//! [3]
+void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+    // Body
+    painter->setBrush(color);
+    painter->drawEllipse(-10, -20, 20, 40);
+
+    // Eyes
+    painter->setBrush(Qt::white);
+    painter->drawEllipse(-10, -17, 8, 8);
+    painter->drawEllipse(2, -17, 8, 8);
+
+    // Nose
+    painter->setBrush(Qt::black);
+    painter->drawEllipse(QRectF(-2, -22, 4, 4));
+
+    // Pupils
+    painter->drawEllipse(QRectF(-8.0 + mouseEyeDirection, -17, 4, 4));
+    painter->drawEllipse(QRectF(4.0 + mouseEyeDirection, -17, 4, 4));
+
+    // Ears
+    painter->setBrush(scene()->collidingItems(this).isEmpty() ? Qt::darkYellow : Qt::red);
+    painter->drawEllipse(-17, -12, 16, 16);
+    painter->drawEllipse(1, -12, 16, 16);
+
+    // Tail
+    QPainterPath path(QPointF(0, 20));
+    path.cubicTo(-5, 22, -5, 22, 0, 25);
+    path.cubicTo(5, 27, 5, 32, 0, 30);
+    path.cubicTo(-5, 32, -5, 42, 0, 35);
+    painter->setBrush(Qt::NoBrush);
+    painter->drawPath(path);
+}
+//! [3]
+
+//! [4]
+void Mouse::timerEvent(QTimerEvent *)
+{
+//! [4]
+    // Don't move too far away
+//! [5]
+    QLineF lineToCenter(QPointF(0, 0), mapFromScene(0, 0));
+    if (lineToCenter.length() > 150) {
+        qreal angleToCenter = ::acos(lineToCenter.dx() / lineToCenter.length());
+        if (lineToCenter.dy() < 0)
+            angleToCenter = TwoPi - angleToCenter;
+        angleToCenter = normalizeAngle((Pi - angleToCenter) + Pi / 2);
+
+        if (angleToCenter < Pi && angleToCenter > Pi / 4) {
+            // Rotate left
+            angle += (angle < -Pi / 2) ? 0.25 : -0.25;
+        } else if (angleToCenter >= Pi && angleToCenter < (Pi + Pi / 2 + Pi / 4)) {
+            // Rotate right
+            angle += (angle < Pi / 2) ? 0.25 : -0.25;
+        }
+    } else if (::sin(angle) < 0) {
+        angle += 0.25;
+    } else if (::sin(angle) > 0) {
+        angle -= 0.25;
+//! [5] //! [6]
+    }
+//! [6]
+
+    // Try not to crash with any other mice
+//! [7]
+    QList<QGraphicsItem *> dangerMice = scene()->items(QPolygonF()
+                                                       << mapToScene(0, 0)
+                                                       << mapToScene(-30, -50)
+                                                       << mapToScene(30, -50));
+    foreach (QGraphicsItem *item, dangerMice) {
+        if (item == this)
+            continue;
+        
+        QLineF lineToMouse(QPointF(0, 0), mapFromItem(item, 0, 0));
+        qreal angleToMouse = ::acos(lineToMouse.dx() / lineToMouse.length());
+        if (lineToMouse.dy() < 0)
+            angleToMouse = TwoPi - angleToMouse;
+        angleToMouse = normalizeAngle((Pi - angleToMouse) + Pi / 2);
+
+        if (angleToMouse >= 0 && angleToMouse < Pi / 2) {
+            // Rotate right
+            angle += 0.5;
+        } else if (angleToMouse <= TwoPi && angleToMouse > (TwoPi - Pi / 2)) {
+            // Rotate left
+            angle -= 0.5;
+//! [7] //! [8]
+        }
+//! [8] //! [9]
+    }
+//! [9]
+
+    // Add some random movement
+//! [10]
+    if (dangerMice.size() > 1 && (qrand() % 10) == 0) {
+        if (qrand() % 1)
+            angle += (qrand() % 100) / 500.0;
+        else
+            angle -= (qrand() % 100) / 500.0;
+    }
+//! [10]
+
+//! [11]
+    speed += (-50 + qrand() % 100) / 100.0;
+
+    qreal dx = ::sin(angle) * 10;
+    mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5;
+
+    rotate(dx);
+    setPos(mapToParent(0, -(3 + sin(speed) * 3)));
+}
+//! [11]
diff --git a/examples/touch/pinchzoom/mouse.h b/examples/touch/pinchzoom/mouse.h
new file mode 100644
index 0000000000..3a392bdb6e
--- /dev/null
+++ b/examples/touch/pinchzoom/mouse.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** 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 MOUSE_H
+#define MOUSE_H
+
+#include <QGraphicsObject>
+
+//! [0]
+class Mouse : public QGraphicsObject
+{
+    Q_OBJECT
+
+public:
+    Mouse();
+
+    QRectF boundingRect() const;
+    QPainterPath shape() const;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+               QWidget *widget);
+
+protected:
+    void timerEvent(QTimerEvent *event);
+
+private:
+    qreal angle;
+    qreal speed;
+    qreal mouseEyeDirection;
+    QColor color;
+};
+//! [0]
+
+#endif
diff --git a/examples/touch/pinchzoom/pinchzoom.pro b/examples/touch/pinchzoom/pinchzoom.pro
new file mode 100644
index 0000000000..e6864237e3
--- /dev/null
+++ b/examples/touch/pinchzoom/pinchzoom.pro
@@ -0,0 +1,16 @@
+HEADERS += \
+        mouse.h \
+        graphicsview.h
+SOURCES += \
+	main.cpp \
+        mouse.cpp \
+        graphicsview.cpp
+
+RESOURCES += \
+	mice.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/pinchzoom
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS pinchzoom.pro images
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/touch/pinchzoom
+INSTALLS += target sources
diff --git a/examples/touch/touch.pro b/examples/touch/touch.pro
new file mode 100644
index 0000000000..d5983eb581
--- /dev/null
+++ b/examples/touch/touch.pro
@@ -0,0 +1,2 @@
+TEMPLATE = subdirs
+SUBDIRS = pinchzoom fingerpaint knobs dials