webpopupwindow.cpp Example File

webenginewidgets/simplebrowser/webpopupwindow.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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.
 **
 ** BSD License Usage
 ** Alternatively, you may use this file under the terms of the BSD license
 ** as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "webpage.h"
 #include "webpopupwindow.h"
 #include "webview.h"
 #include <QAction>
 #include <QIcon>
 #include <QLineEdit>
 #include <QVBoxLayout>
 #include <QWindow>

 WebPopupWindow::WebPopupWindow(QWebEngineProfile *profile)
     : m_urlLineEdit(new QLineEdit(this))
     , m_favAction(new QAction(this))
     , m_view(new WebView(this))
 {
     setAttribute(Qt::WA_DeleteOnClose);
     setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);

     QVBoxLayout *layout = new QVBoxLayout;
     layout->setContentsMargins(0, 0, 0, 0);
     setLayout(layout);
     layout->addWidget(m_urlLineEdit);
     layout->addWidget(m_view);

     m_view->setPage(new WebPage(profile, m_view));
     m_view->setFocus();

     m_urlLineEdit->setReadOnly(true);
     m_urlLineEdit->addAction(m_favAction, QLineEdit::LeadingPosition);

     connect(m_view, &WebView::titleChanged, this, &QWidget::setWindowTitle);
     connect(m_view, &WebView::urlChanged, [this](const QUrl &url) {
         m_urlLineEdit->setText(url.toDisplayString());
     });
     connect(m_view, &WebView::favIconChanged, m_favAction, &QAction::setIcon);
     connect(m_view->page(), &WebPage::geometryChangeRequested, this, &WebPopupWindow::handleGeometryChangeRequested);
     connect(m_view->page(), &WebPage::windowCloseRequested, this, &QWidget::close);
 }

 WebView *WebPopupWindow::view() const
 {
     return m_view;
 }

 void WebPopupWindow::handleGeometryChangeRequested(const QRect &newGeometry)
 {
     if (QWindow *window = windowHandle())
         setGeometry(newGeometry.marginsRemoved(window->frameMargins()));
     show();
     m_view->setFocus();
 }