webpopupwindow.cpp Example File | Qt WebEngine 5.9

Qt 5.9 | Qt WebEngine | WebEngine Widgets Simple Browser Example | webpopupwindow.cpp Example File

Qt 5.9.9 Reference Documentation

# webpopupwindow.cpp Example File

webenginewidgets/simplebrowser/webpopupwindow.cpp

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

      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->setMargin(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)
      {
          m_view->setMinimumSize(newGeometry.width(), newGeometry.height());
          move(newGeometry.topLeft() - m_view->pos());
          // let the layout do the magic
          resize(0, 0);
          show();
          m_view->setFocus();
      }