Long live Qt!

7 files changed, 579 insertions, 0 deletions

diff --git a/examples/webkit/previewer/main.cpp b/examples/webkit/previewer/main.cpp
new file mode 100644
index 0000000..87612e2
--- /dev/null
+++ b/examples/webkit/previewer/main.cpp
@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** 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 "mainwindow.h"
+
+//! [0]
+int main(int argc, char * argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow *mainWindow = new MainWindow;
+    mainWindow->show();
+    return app.exec();
+}
+//! [0]
diff --git a/examples/webkit/previewer/mainwindow.cpp b/examples/webkit/previewer/mainwindow.cpp
new file mode 100644
index 0000000..abe7941
--- /dev/null
+++ b/examples/webkit/previewer/mainwindow.cpp
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** 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 <QtWebKit>
+#include "mainwindow.h"
+
+//! [0]
+MainWindow::MainWindow()
+{
+    createActions();
+    createMenus();
+    centralWidget = new Previewer(this);
+    setCentralWidget(centralWidget);
+
+    connect(centralWidget->webView, SIGNAL(loadFinished(bool)),
+        this, SLOT(updateTextEdit()));
+    setStartupText();
+}
+//! [0]
+
+//! [1]
+void MainWindow::createActions()
+{
+    openAct = new QAction(tr("&Open..."), this);
+    openAct->setShortcut(tr("Ctrl+O"));
+    openAct->setStatusTip(tr("Open an existing HTML file"));
+    connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
+
+    openUrlAct = new QAction(tr("&Open URL..."), this);
+    openUrlAct->setShortcut(tr("Ctrl+U"));
+    openUrlAct->setStatusTip(tr("Open a URL"));
+    connect(openUrlAct, SIGNAL(triggered()), this, SLOT(openUrl()));
+//! [1]
+
+    saveAct = new QAction(tr("&Save"), this);
+    saveAct->setShortcut(tr("Ctrl+S"));
+    saveAct->setStatusTip(tr("Save the HTML file to disk"));
+    connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
+
+    exitAct = new QAction(tr("E&xit"), this);
+    exitAct->setStatusTip(tr("Exit the application"));
+    exitAct->setShortcut(tr("Ctrl+Q"));
+    connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
+
+    aboutAct = new QAction(tr("&About"), this);
+    aboutAct->setStatusTip(tr("Show the application's About box"));
+    connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
+
+    aboutQtAct = new QAction(tr("About &Qt"), this);
+    aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
+    connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+}
+
+//! [2]
+void MainWindow::createMenus()
+{
+    fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(openAct);
+    fileMenu->addAction(openUrlAct);
+    fileMenu->addAction(saveAct);
+    fileMenu->addSeparator();
+    fileMenu->addAction(exitAct);
+
+    menuBar()->addSeparator();
+
+    helpMenu = menuBar()->addMenu(tr("&Help"));
+    helpMenu->addAction(aboutAct);
+    helpMenu->addAction(aboutQtAct);
+}
+//! [2]
+
+//! [3]
+void MainWindow::about()
+{
+    QMessageBox::about(this, tr("About Previewer"),
+        tr("The <b>Previewer</b> example demonstrates how to "
+           "view HTML documents using a QWebView."));
+}
+//! [3]
+
+//! [4]
+void MainWindow::open()
+{
+    QString fileName = QFileDialog::getOpenFileName(this);
+    if (!fileName.isEmpty()) {
+        // read from file
+        QFile file(fileName);
+
+        if (!file.open(QIODevice::ReadOnly)) {
+            QMessageBox::information(this, tr("Unable to open file"),
+                file.errorString());
+            return;
+        }
+
+        QTextStream out(&file);
+        QString output = out.readAll();
+
+        // display contents
+        centralWidget->plainTextEdit->setPlainText(output);
+        centralWidget->setBaseUrl(QUrl::fromLocalFile(fileName));
+    }
+}
+//! [4]
+
+//! [5]
+void MainWindow::openUrl()
+{
+    bool ok;
+    QString url = QInputDialog::getText(this, tr("Enter a URL"),
+                  tr("URL:"), QLineEdit::Normal, "http://", &ok);
+
+    if (ok && !url.isEmpty()) {
+        centralWidget->webView->setUrl(url);
+    }
+}
+//! [5]
+
+//! [6]
+void MainWindow::save()
+{
+    QString content = centralWidget->plainTextEdit->toPlainText();
+    QString fileName = QFileDialog::getSaveFileName(this);
+
+    if (!fileName.isEmpty()) {
+        // save to file
+        QFile file(fileName);
+
+        if (!file.open(QIODevice::WriteOnly)) {
+            QMessageBox::information(this, tr("Unable to open file"),
+                file.errorString());
+            return;
+        }
+
+        QTextStream in(&file);
+        in << content;
+    }
+}
+//! [6]
+
+//! [7]
+void MainWindow::updateTextEdit()
+{
+    QWebFrame *mainFrame = centralWidget->webView->page()->mainFrame();
+    QString frameText = mainFrame->toHtml();
+    centralWidget->plainTextEdit->setPlainText(frameText);
+}
+//! [7]
+
+//! [8]
+void MainWindow::setStartupText()
+{
+    QString string = "<html><body><h1>HTML Previewer</h1>"
+                     " <p>This example shows you how to use QWebView to"
+                     " preview HTML data written in a QPlainTextEdit.</p>"
+                     " </body></html>";
+    centralWidget->webView->setHtml(string);
+}
+//! [8]
diff --git a/examples/webkit/previewer/mainwindow.h b/examples/webkit/previewer/mainwindow.h
new file mode 100644
index 0000000..3a0a4b1
--- /dev/null
+++ b/examples/webkit/previewer/mainwindow.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include "previewer.h"
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QMenu;
+QT_END_NAMESPACE
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+private slots:
+    void open();
+    void openUrl();
+    void save();
+    void about();
+    void updateTextEdit();
+//! [0]
+
+//! [1]
+private:
+    Previewer *centralWidget;
+    QMenu *fileMenu;
+    QMenu *helpMenu;
+    QAction *openAct;
+    QAction *openUrlAct;
+    QAction *saveAct;
+    QAction *exitAct;
+    QAction *aboutAct;
+    QAction *aboutQtAct;
+
+    void createActions();
+    void createMenus();
+    void setStartupText();
+};
+//! [1]
+
+#endif
diff --git a/examples/webkit/previewer/previewer.cpp b/examples/webkit/previewer/previewer.cpp
new file mode 100644
index 0000000..51419d7
--- /dev/null
+++ b/examples/webkit/previewer/previewer.cpp
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** 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 "previewer.h"
+
+//! [0]
+Previewer::Previewer(QWidget *parent)
+    : QWidget(parent)
+{
+    setupUi(this);
+}
+//! [0]
+
+void Previewer::setBaseUrl(const QUrl &url)
+{
+    baseUrl = url;
+}
+
+//! [1]
+void Previewer::on_previewButton_clicked()
+{
+    // Update the contents in web viewer
+    QString text = plainTextEdit->toPlainText();
+    webView->setHtml(text, baseUrl);
+}
+//! [1]
diff --git a/examples/webkit/previewer/previewer.h b/examples/webkit/previewer/previewer.h
new file mode 100644
index 0000000..ae70f9f
--- /dev/null
+++ b/examples/webkit/previewer/previewer.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** 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 PREVIEWER_H
+#define PREVIEWER_H
+
+#include "ui_previewer.h"
+
+//! [0]
+class Previewer : public QWidget, public Ui::Form
+{
+    Q_OBJECT
+
+public:
+    Previewer(QWidget *parent = 0);
+
+    void setBaseUrl(const QUrl &url);
+
+public slots:
+    void on_previewButton_clicked();
+
+private:
+    QUrl baseUrl;
+};
+//! [0]
+
+#endif
diff --git a/examples/webkit/previewer/previewer.pro b/examples/webkit/previewer/previewer.pro
new file mode 100644
index 0000000..75ab6fb
--- /dev/null
+++ b/examples/webkit/previewer/previewer.pro
@@ -0,0 +1,13 @@
+QT      +=  webkit
+HEADERS =   previewer.h \
+            mainwindow.h
+SOURCES =   main.cpp \
+            previewer.cpp \
+            mainwindow.cpp
+FORMS   =   previewer.ui
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/webkit/previewer
+sources.files = $$SOURCES $$HEADERS $$FORMS $$RESOURCES *.pro images
+sources.path = $$[QT_INSTALL_EXAMPLES]/webkit/previewer
+INSTALLS += target sources
diff --git a/examples/webkit/previewer/previewer.ui b/examples/webkit/previewer/previewer.ui
new file mode 100644
index 0000000..d4c9992
--- /dev/null
+++ b/examples/webkit/previewer/previewer.ui
@@ -0,0 +1,99 @@
+<ui version="4.0" >
+ <class>Form</class>
+ <widget class="QWidget" name="Form" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>911</width>
+    <height>688</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout_4" >
+   <item>
+    <widget class="QSplitter" name="splitter" >
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <widget class="QGroupBox" name="editorBox" >
+      <property name="title" >
+       <string>HTML Editor</string>
+      </property>
+      <layout class="QHBoxLayout" name="horizontalLayout_2" >
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_2" >
+         <item>
+          <widget class="QPlainTextEdit" name="plainTextEdit" />
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="horizontalLayout" >
+           <item>
+            <widget class="QPushButton" name="clearButton" >
+             <property name="text" >
+              <string>Clear</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="previewButton" >
+             <property name="text" >
+              <string>Preview</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QGroupBox" name="previewerBox" >
+      <property name="title" >
+       <string>HTML Preview</string>
+      </property>
+      <layout class="QHBoxLayout" name="horizontalLayout_3" >
+       <item>
+        <widget class="QWebView" name="webView" >
+         <property name="url" >
+          <url>
+           <string>about:blank</string>
+          </url>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QWebView</class>
+   <extends>QWidget</extends>
+   <header>QtWebKit/QWebView</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>clearButton</sender>
+   <signal>clicked()</signal>
+   <receiver>plainTextEdit</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>56</x>
+     <y>653</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>98</x>
+     <y>551</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>