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50
51#include <QtCore/QUrl>
52#include <QtCore/QCommandLineOption>
53#include <QtCore/QCommandLineParser>
54#include <QGuiApplication>
55#include <QStyleHints>
56#include <QScreen>
57#include <QQmlApplicationEngine>
58#include <QtQml/QQmlContext>
59#include <QtWebView/QtWebView>
60
61// Workaround: As of Qt 5.4 QtQuick does not expose QUrl::fromUserInput.
62class Utils : public QObject {
63 Q_OBJECT
64public:
65 Utils(QObject* parent = 0) : QObject(parent) { }
66 Q_INVOKABLE static QUrl fromUserInput(const QString& userInput);
67};
68
69QUrl Utils::fromUserInput(const QString& userInput)
70{
71 if (userInput.isEmpty())
72 return QUrl::fromUserInput(userInput: "about:blank");
73 const QUrl result = QUrl::fromUserInput(userInput);
74 return result.isValid() ? result : QUrl::fromUserInput(userInput: "about:blank");
75}
76
77#include "main.moc"
78
79int main(int argc, char *argv[])
80{
81//! [0]
82 QtWebView::initialize();
83 QGuiApplication app(argc, argv);
84//! [0]
85 QGuiApplication::setApplicationDisplayName(QCoreApplication::translate(context: "main",
86 key: "QtWebView Example"));
87 QCommandLineParser parser;
88 QCoreApplication::setApplicationVersion(QT_VERSION_STR);
89 parser.setApplicationDescription(QGuiApplication::applicationDisplayName());
90 parser.addHelpOption();
91 parser.addVersionOption();
92 parser.addPositionalArgument(name: "url", description: "The initial URL to open.");
93 QStringList arguments = app.arguments();
94 parser.process(arguments);
95 const QString initialUrl = parser.positionalArguments().isEmpty() ?
96 QStringLiteral("https://www.qt.io") : parser.positionalArguments().first();
97
98 QQmlApplicationEngine engine;
99 QQmlContext *context = engine.rootContext();
100 context->setContextProperty(QStringLiteral("utils"), new Utils(&engine));
101 context->setContextProperty(QStringLiteral("initialUrl"),
102 Utils::fromUserInput(userInput: initialUrl));
103 QRect geometry = QGuiApplication::primaryScreen()->availableGeometry();
104 if (!QGuiApplication::styleHints()->showIsFullScreen()) {
105 const QSize size = geometry.size() * 4 / 5;
106 const QSize offset = (geometry.size() - size) / 2;
107 const QPoint pos = geometry.topLeft() + QPoint(offset.width(), offset.height());
108 geometry = QRect(pos, size);
109 }
110 context->setContextProperty(QStringLiteral("initialX"), geometry.x());
111 context->setContextProperty(QStringLiteral("initialY"), geometry.y());
112 context->setContextProperty(QStringLiteral("initialWidth"), geometry.width());
113 context->setContextProperty(QStringLiteral("initialHeight"), geometry.height());
114
115 engine.load(url: QUrl(QStringLiteral("qrc:/main.qml")));
116 if (engine.rootObjects().isEmpty())
117 return -1;
118
119 return app.exec();
120}
121

source code of qtwebview/examples/webview/minibrowser/main.cpp