Qt 5.7 | Qt WebEngine | WebEngine Widgets Simple Browser Example | webpopupwindow.cpp Example File

Qt 5.7.1 Reference Documentation

# webpopupwindow.cpp Example File

webenginewidgets/simplebrowser/webpopupwindow.cpp

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      #include "urllineedit.h"
      #include "webpage.h"
      #include "webpopupwindow.h"
      #include "webview.h"
      #include <QIcon>
      #include <QVBoxLayout>

      WebPopupWindow::WebPopupWindow(QWebEngineProfile *profile)
          : m_addressBar(new UrlLineEdit(this))
          , m_view(new WebView(this))
      {
          setAttribute(Qt::WA_DeleteOnClose);
          setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);

          QVBoxLayout *layout = new QVBoxLayout;
          layout->setMargin(0);
          setLayout(layout);
          layout->addWidget(m_addressBar);
          layout->addWidget(m_view);

          m_view->setPage(new WebPage(profile, m_view));
          m_view->setFocus();
          m_addressBar->setReadOnly(true);
          m_addressBar->setFavIcon(QIcon(QStringLiteral(":defaulticon.png")));

          connect(m_view, &WebView::titleChanged, this, &QWidget::setWindowTitle);
          connect(m_view, &WebView::urlChanged, this, &WebPopupWindow::setUrl);
          connect(m_view->page(), &WebPage::iconChanged, this, &WebPopupWindow::handleIconChanged);
          connect(m_view->page(), &WebPage::geometryChangeRequested, this, &WebPopupWindow::handleGeometryChangeRequested);
          connect(m_view->page(), &WebPage::windowCloseRequested, this, &QWidget::close);
      }

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

      void WebPopupWindow::setUrl(const QUrl &url)
      {
          m_addressBar->setUrl(url);
      }

      void WebPopupWindow::handleGeometryChangeRequested(const QRect &newGeometry)
      {
          m_view->setMinimumSize(newGeometry.width(), newGeometry.height());
          move(newGeometry.topLeft() - m_view->pos());
          // let the layout do the magic
          resize(0, 0);
          show();
      }

      void WebPopupWindow::handleIconChanged(const QIcon &icon)
      {
          if (icon.isNull())
              m_addressBar->setFavIcon(QIcon(QStringLiteral(":defaulticon.png")));
          else
              m_addressBar->setFavIcon(icon);
      }