Add a minimal test browser

Change-Id: Ie86cf1cb448ef570611e40deed813769a66052e8
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

3 files changed, 127 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2061583..e9b75af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,4 +23,8 @@ else()
     set(QLITEHTML_HEADER_PATH include/qlitehtml)
 endif()
 
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets REQUIRED)
+set(Qt Qt${QT_VERSION_MAJOR})
+
 add_subdirectory(src)
+add_subdirectory(tests/manual/browser)
diff --git a/tests/manual/browser/CMakeLists.txt b/tests/manual/browser/CMakeLists.txt
new file mode 100644
index 0000000..f6fe7a1
--- /dev/null
+++ b/tests/manual/browser/CMakeLists.txt
@@ -0,0 +1,7 @@
+find_package(${Qt} COMPONENTS Widgets Network REQUIRED)
+
+add_executable(qlitehtmlbrowser
+  MACOSX_BUNDLE
+  main.cpp)
+
+target_link_libraries(qlitehtmlbrowser qlitehtml ${Qt}::Widgets ${Qt}::Network)
diff --git a/tests/manual/browser/main.cpp b/tests/manual/browser/main.cpp
new file mode 100644
index 0000000..368d529
--- /dev/null
+++ b/tests/manual/browser/main.cpp
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of QLiteHtml.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include <qlitehtmlwidget.h>
+
+#include <QAction>
+#include <QApplication>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QLineEdit>
+#include <QLoggingCategory>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QVBoxLayout>
+#include <QWidget>
+
+Q_LOGGING_CATEGORY(log, "qlitehtml.browser")
+
+class BrowserWindow : public QWidget
+{
+    Q_OBJECT
+
+public:
+    BrowserWindow();
+
+private:
+    QNetworkAccessManager m_nam;
+};
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    BrowserWindow w;
+    w.show();
+    return app.exec();
+}
+
+BrowserWindow::BrowserWindow()
+{
+    QVBoxLayout *vlayout = new QVBoxLayout;
+    setLayout(vlayout);
+    QHBoxLayout *urlLayout = new QHBoxLayout;
+    urlLayout->addWidget(new QLabel(tr("URL:")));
+    QLineEdit *urlInput = new QLineEdit;
+    urlLayout->addWidget(urlInput);
+
+    vlayout->addLayout(urlLayout);
+    QLiteHtmlWidget *htmlWidget = new QLiteHtmlWidget;
+    vlayout->addWidget(htmlWidget);
+
+    resize(1000, 650);
+
+    htmlWidget->setResourceHandler([this](const QUrl &url) {
+        // create blocking request
+        // TODO implement asynchronous requests in container_qpainter
+        QEventLoop loop;
+        QByteArray data;
+        qCDebug(log) << "Resource requested:" << url;
+        QNetworkReply *reply = m_nam.get(QNetworkRequest(url));
+        connect(reply, &QNetworkReply::finished, this, [&data, &loop, reply] {
+            qCDebug(log) << "Resource finished:" << reply->url() << reply->error();
+            if (reply->error() == QNetworkReply::NoError)
+                data = reply->readAll();
+            reply->deleteLater();
+            loop.exit();
+        });
+        loop.exec(QEventLoop::ExcludeUserInputEvents);
+        return data;
+    });
+    connect(urlInput, &QLineEdit::returnPressed, htmlWidget, [this, htmlWidget, urlInput] {
+        urlInput->setEnabled(false);
+        const QUrl url = QUrl(urlInput->text().trimmed());
+        qCDebug(log) << "Url requested:" << url;
+        QNetworkReply *reply = m_nam.get(QNetworkRequest(url));
+        connect(reply, &QNetworkReply::finished, this, [htmlWidget, urlInput, reply] {
+            qCDebug(log) << "Url finished:" << reply->url() << reply->error();
+            if (reply->error() == QNetworkReply::NoError) {
+                const QByteArray data = reply->readAll();
+                htmlWidget->setUrl(reply->url());
+                htmlWidget->setHtml(QString::fromUtf8(data));
+            }
+            urlInput->setEnabled(true);
+            reply->deleteLater();
+        });
+    });
+
+    QAction *action;
+    action = new QAction(tr("Enter location"));
+    action->setShortcut({"Ctrl+L"});
+    connect(action, &QAction::triggered, [urlInput] { urlInput->setFocus(); });
+    addAction(action);
+}
+
+#include "main.moc"