urllineedit.cpp Example File | Qt WebEngine 5.8

Qt 5.8 | Qt WebEngine | WebEngine Widgets Simple Browser Example | urllineedit.cpp Example File

Qt 5.8.0 Reference Documentation

# urllineedit.cpp Example File

webenginewidgets/simplebrowser/urllineedit.cpp

      /****************************************************************************
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      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
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      #include "urllineedit.h"
      #include <QToolButton>
      #include <QUrl>

      UrlLineEdit::UrlLineEdit(QWidget *parent)
          : QLineEdit(parent)
          , m_favButton(new QToolButton(this))
          , m_clearButton(new QToolButton(this))
      {
          m_clearButton->setIcon(QIcon(QStringLiteral(":closetab.png")));
          m_clearButton->setVisible(false);
          m_clearButton->setCursor(Qt::ArrowCursor);
          QString style(QStringLiteral("QToolButton { border: none; padding: 1px; }"));
          m_clearButton->setStyleSheet(style);
          m_favButton->setStyleSheet(style);
          setStyleSheet(QStringLiteral("QLineEdit { padding-left: %1px; padding-right: %2px;  } ")
                        .arg(m_clearButton->sizeHint().width())
                        .arg(m_favButton->sizeHint().width()));
          int minIconHeight = qMax(m_favButton->sizeHint().height(), m_clearButton->sizeHint().height());
          setMinimumSize(minimumSizeHint().width() +
                         m_favButton->sizeHint().width() +
                         m_clearButton->sizeHint().width(),
                         qMax(minimumSizeHint().height(), minIconHeight));

          connect(m_clearButton, &QToolButton::clicked, this, &QLineEdit::clear);
          connect(this, &QLineEdit::textChanged, [this](const QString &text) {
              m_clearButton->setVisible(!text.isEmpty() && !isReadOnly());
          });
      }

      QUrl UrlLineEdit::url() const
      {
          return QUrl::fromUserInput(text());
      }

      void UrlLineEdit::setUrl(const QUrl &url)
      {
          setText(url.toString());
          setCursorPosition(0);
      }

      void UrlLineEdit::setFavIcon(const QIcon &icon)
      {
          QPixmap pixmap = icon.pixmap(16, 16);
          m_favButton->setIcon(pixmap);
      }

      void UrlLineEdit::resizeEvent(QResizeEvent *event)
      {
          QLineEdit::resizeEvent(event);
          QSize clearButtonSize = m_clearButton->sizeHint();
          m_clearButton->move(rect().right() - clearButtonSize.width(),
                              (rect().bottom() - clearButtonSize.height()) / 2);
          m_favButton->move(rect().left(), (rect().bottom() - m_favButton->sizeHint().height()) / 2);
      }