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QmlWebViewWidget.cpp
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QmlWebViewWidget.cpp
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#include "QmlWebViewWidget.h"
//#include "../config.h"
#include <QTimer>
#include <QWebView>
#include <QWebFrame>
#include <QQuickWindow>
#include <qdebug.h>
QmlWebViewInternalWidget::QmlWebViewInternalWidget(QQuickPaintedItem *parent) :
QWebView(0)
{
m_qquickContainer = parent;
setFocusPolicy(Qt::WheelFocus);
setAttribute(Qt::WA_WState_Created, true);// don't create window on setVisible(true)
setVisible(true);// if not visible some operations will not done.
}
QPaintEngine *QmlWebViewInternalWidget::paintEngine() const
{
return NULL;
}
void QmlWebViewInternalWidget::paintEvent(QPaintEvent *event)
{
QWebView::paintEvent(event);
m_qquickContainer->update(event->rect());
}
QmlWebViewWidget::QmlWebViewWidget(QQuickItem *parent) :
QQuickPaintedItem(parent)
{
setOpaquePainting(true);
setAcceptHoverEvents(true);
setAcceptedMouseButtons(Qt::AllButtons);
setFlag(QQuickItem::ItemAcceptsDrops, true);
setFlag(QQuickItem::ItemHasContents, true);
m_widget = new QmlWebViewInternalWidget(this);
connect(m_widget, SIGNAL(urlChanged(QUrl)), this, SIGNAL(urlChanged(QUrl)) );
connect(m_widget, SIGNAL(loadStarted()), this, SIGNAL(loadStarted()));
connect(m_widget, SIGNAL(loadFinished(bool)), this, SIGNAL(loadFinished(bool)));
connect(m_widget, SIGNAL(loadProgress(int)), this, SIGNAL(loadProgress(int)));
QObject::connect(this, &QQuickPaintedItem::widthChanged, this, [this]{
QQuickWindow *w = this->window();
if(w){
QObject::connect(w, &QQuickWindow::xChanged,
this, &QmlWebViewWidget::updateGeometry,
(Qt::ConnectionType)(Qt::AutoConnection|Qt::UniqueConnection));
}
});
}
void QmlWebViewWidget::paint(QPainter *painter)
{
m_widget->render(painter, QPoint(), QRegion(),
QWidget::DrawWindowBackground | QWidget::DrawChildren);
}
QObject* QmlWebViewWidget::widget() const
{
return m_widget;
}
QUrl QmlWebViewWidget::url() const
{
return m_widget->url();
}
void QmlWebViewWidget::setUrl(QUrl arg)
{
connect(m_widget->page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()), SLOT(attachObject()));
QWebSettings::globalSettings( )->setAttribute( QWebSettings::PrivateBrowsingEnabled, true );
QWebSettings::setMaximumPagesInCache( 0 );
QWebSettings::setObjectCacheCapacities( 0, 0, 0 );
QWebSettings::clearMemoryCaches( );
m_widget->setUrl(arg);
}
void QmlWebViewWidget::setFocus(bool arg)
{
QQuickPaintedItem::setFocus(arg);
if(arg){
m_widget->setFocus();
forceActiveFocus();
}
else{
m_widget->clearFocus();
}
setActiveFocusOnTab(arg);
}
void QmlWebViewWidget::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
{
qDebug() << "QmlWebViewWidget::geometryChanged, " << newGeometry;
if(newGeometry == oldGeometry)
return;
QQuickItem::geometryChanged(newGeometry, oldGeometry);
updateGeometry();
}
bool QmlWebViewWidget::event(QEvent *e)
{
// qDebug() << "QmlWebViewWidget::event" << e->type();
if(e->type() == QEvent::HoverEnter ||
e->type() == QEvent::HoverMove ||
e->type() == QEvent::HoverLeave ){
handleHoverMoveEvent((QHoverEvent*)e);
return true;
}
if( e->type() == QEvent::MouseButtonPress ||
e->type() == QEvent::MouseButtonDblClick )
setFocus(true);
if(m_widget->event(e))
return true;
return QQuickPaintedItem::event(e);
}
void QmlWebViewWidget::updateGeometry()
{
QPointF newPos(0, 0);
newPos = mapToItem(0, newPos);
qDebug() << "QmlWebViewWidget::updateGeometry, top left mapped to window: " << newPos;
if(this->window()){
newPos += this->window()->position();
qDebug() << "QmlWebViewWidget::updateGeometry, top left mapped to screen: " << newPos;
}
QRectF absRect(newPos, contentsBoundingRect().size());
m_widget->setGeometry(absRect.toRect());
}
void QmlWebViewWidget::handleHoverMoveEvent(QHoverEvent* ev)
{
QMouseEvent me(QEvent::MouseMove, ev->posF(),
Qt::NoButton, Qt::NoButton, ev->modifiers());
me.setAccepted(ev->isAccepted());
me.setTimestamp(ev->timestamp());
m_widget->event(&me);
setCursor(m_widget->cursor());
}