New example: transparency in QWebView.

2 files changed, 88 insertions, 0 deletions

diff --git a/transparentweb/transparentweb.cpp b/transparentweb/transparentweb.cpp
new file mode 100644
index 0000000..de53d08
--- /dev/null
+++ b/transparentweb/transparentweb.cpp
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Graphics Dojo project on Qt Labs.
+**
+** This file may be used under the terms of the GNU General Public
+** License version 2.0 or 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 GNU
+** General Public Licensing requirements will be met:
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** 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.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+****************************************************************************/
+
+#include <QtCore>
+#include <QtGui>
+#include <QtWebKit>
+
+#if QT_VERSION < 0x0040500
+#error You need Qt 4.5 or newer
+#endif
+
+class Container : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Container(QWidget *parent = 0): QWidget(parent) {
+        view = new QWebView(this);
+
+        QVBoxLayout *layout = new QVBoxLayout(this);
+        setLayout(layout);
+        layout->addWidget(view);
+
+        QPalette palette = view->palette();
+        palette.setBrush(QPalette::Base, Qt::transparent);
+        view->page()->setPalette(palette);
+        view->setAttribute(Qt::WA_OpaquePaintEvent, false);
+        connect(view, SIGNAL(titleChanged(const QString&)), SLOT(setWindowTitle(const QString&)));
+
+        view->load(QUrl("http://en.mobile.wikipedia.org/"));
+        view->setZoomFactor(0.8);
+
+        gradient.setColorAt(0.0, QColor(249, 247, 96));
+        gradient.setColorAt(1.0, QColor(235, 203, 32));
+        gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+
+        resize(320, 480);
+    }
+
+private:
+    void paintEvent(QPaintEvent *event) {
+        QPainter p(this);
+        p.fillRect(event->rect(), Qt::transparent);
+        p.setPen(Qt::NoPen);
+        p.setBrush(gradient);
+        p.setOpacity(0.6);
+        p.drawRoundedRect(rect(), 10, 10);
+        p.end();
+    }
+
+private:
+    QWebView *view;
+    QLinearGradient gradient;
+};
+
+#include "transparentweb.moc"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    Container w;
+    w.setAttribute(Qt::WA_TranslucentBackground, true);
+    w.setWindowFlags(Qt::FramelessWindowHint);
+    w.show();
+    return app.exec();
+}
diff --git a/transparentweb/transparentweb.pro b/transparentweb/transparentweb.pro
new file mode 100644
index 0000000..e6781d5
--- /dev/null
+++ b/transparentweb/transparentweb.pro
@@ -0,0 +1,2 @@
+SOURCES = transparentweb.cpp
+QT += network webkit