/***************************************************************************
- * Copyright (C) 2005-09 by the Quassel Project *
+ * Copyright (C) 2005-2020 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "webpreviewitem.h"
-#ifdef HAVE_WEBKIT
+#ifdef HAVE_WEBENGINE
+# include <QWebEngineSettings>
+# include <QWebEngineView>
+#elif defined HAVE_WEBKIT
+# include <QWebSettings>
+# include <QWebView>
+#endif
-#include <QGraphicsProxyWidget>
-#include <QPainter>
-#include <QWebView>
+#if defined HAVE_WEBKIT || defined HAVE_WEBENGINE
-WebPreviewItem::WebPreviewItem(const QString &url)
- : QGraphicsItem(0), // needs to be a top level item as we otherwise cannot guarantee that it's on top of other chatlines
+# include <QGraphicsProxyWidget>
+# include <QPainter>
+
+# ifdef HAVE_WEBENGINE
+// QGraphicsProxyWidget does not stay synced with QWebEngineView, therefore we modify QWebEngineView
+// and manually trigger an update of the proxyItem on UpdateRequest Event. See: http://stackoverflow.com/a/30920209
+// and http://lists.qt-project.org/pipermail/development/2016-March/025280.html (At least in Qt5.6)
+class CustomWebView : public QWebEngineView
+{
+private:
+ QGraphicsProxyWidget* proxyItem;
+
+public:
+ CustomWebView(QGraphicsProxyWidget* pItem) { proxyItem = pItem; }
+ bool event(QEvent* event) override
+ {
+ if (event->type() == QEvent::UpdateRequest) {
+ proxyItem->update();
+ }
+
+ return QWebEngineView::event(event);
+ }
+};
+# endif
+
+WebPreviewItem::WebPreviewItem(const QUrl& url)
+ : QGraphicsItem(nullptr)
+ , // needs to be a top level item as we otherwise cannot guarantee that it's on top of other chatlines
_boundingRect(0, 0, 400, 300)
{
- qreal frameWidth = 5;
+ qreal frameWidth = 5;
- QWebView *webView = new QWebView;
- webView->load(url);
- webView->resize(1000, 750);
- QGraphicsProxyWidget *proxyItem = new QGraphicsProxyWidget(this);
- proxyItem->setWidget(webView);
- proxyItem->setAcceptHoverEvents(false);
+ QGraphicsProxyWidget* proxyItem = new QGraphicsProxyWidget(this);
+# ifdef HAVE_WEBENGINE
+ QWebEngineView* webView = new CustomWebView(proxyItem);
+ webView->settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
+# elif defined HAVE_WEBKIT
+ QWebView* webView = new QWebView;
+ webView->settings()->setAttribute(QWebSettings::JavascriptEnabled, false);
+# endif
+ webView->load(url);
+ webView->setDisabled(true);
+ webView->resize(1000, 750);
+ proxyItem->setWidget(webView);
+ proxyItem->setAcceptHoverEvents(false);
- qreal xScale = (_boundingRect.width() - 2 * frameWidth) / webView->width();
- qreal yScale = (_boundingRect.height() - 2 * frameWidth) / webView->height();
- proxyItem->scale(xScale, yScale);
- proxyItem->setPos(frameWidth, frameWidth);
+ qreal xScale = (_boundingRect.width() - 2 * frameWidth) / webView->width();
+ qreal yScale = (_boundingRect.height() - 2 * frameWidth) / webView->height();
+ proxyItem->setTransform(QTransform::fromScale(xScale, yScale), true);
+ proxyItem->setPos(frameWidth, frameWidth);
- setZValue(30);
+ setZValue(30);
}
-void WebPreviewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option); Q_UNUSED(widget);
- painter->setClipRect(boundingRect());
- painter->setPen(QPen(Qt::black, 5));
- painter->setBrush(Qt::black);
- painter->setRenderHints(QPainter::Antialiasing);
- painter->drawRoundedRect(boundingRect(), 10, 10);
+void WebPreviewItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+ painter->setClipRect(boundingRect());
+ painter->setPen(QPen(Qt::black, 5));
+ painter->setBrush(Qt::black);
+ painter->setRenderHints(QPainter::Antialiasing);
+ painter->drawRoundedRect(boundingRect(), 10, 10);
}
-#endif //#ifdef HAVE_WEBKIT
+#endif //#ifdef HAVE_WEBKIT || HAVE_WEBENGINE