Remove DemoBrowser

[ChangeLog][Examples] Removed WebEngine Demo Browser example, which got
superseded by the improved WebEngine Widgets Simple Browser.

Task-number: QTBUG-59819
Change-Id: I214e6f5f3a946ed617a9f4d628d3259a69874ca1
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 0 insertions, 249 deletions

diff --git a/examples/webenginewidgets/demobrowser/searchlineedit.cpp b/examples/webenginewidgets/demobrowser/searchlineedit.cpp
deleted file mode 100644
index 04f75df91..000000000
--- a/examples/webenginewidgets/demobrowser/searchlineedit.cpp
+++ /dev/null
@@ -1,249 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications 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 "searchlineedit.h"
-
-#include <QtGui/QPainter>
-#include <QtGui/QMouseEvent>
-#include <QtWidgets/QMenu>
-#include <QtWidgets/QStyle>
-#include <QtWidgets/QStyleOptionFrame>
-
-ClearButton::ClearButton(QWidget *parent)
-  : QAbstractButton(parent)
-{
-#ifndef QT_NO_CURSOR
-    setCursor(Qt::ArrowCursor);
-#endif // QT_NO_CURSOR
-    setToolTip(tr("Clear"));
-    setVisible(false);
-    setFocusPolicy(Qt::NoFocus);
-}
-
-void ClearButton::paintEvent(QPaintEvent *event)
-{
-    Q_UNUSED(event);
-    QPainter painter(this);
-    int height = this->height();
-
-    painter.setRenderHint(QPainter::Antialiasing, true);
-    painter.setBrush(isDown()
-                     ? palette().color(QPalette::Dark)
-                     : palette().color(QPalette::Mid));
-    painter.setPen(painter.brush().color());
-    int size = width();
-    int offset = size / 5;
-    int radius = size - offset * 2;
-    painter.drawEllipse(offset, offset, radius, radius);
-
-    painter.setPen(palette().color(QPalette::Base));
-    int border = offset * 2;
-    painter.drawLine(border, border, width() - border, height - border);
-    painter.drawLine(border, height - border, width() - border, border);
-}
-
-void ClearButton::textChanged(const QString &text)
-{
-    setVisible(!text.isEmpty());
-}
-
-/*
-    Search icon on the left hand side of the search widget
-    When a menu is set a down arrow appears
- */
-class SearchButton : public QAbstractButton {
-public:
-    SearchButton(QWidget *parent = 0);
-    void paintEvent(QPaintEvent *event);
-    QMenu *m_menu;
-
-protected:
-    void mousePressEvent(QMouseEvent *event);
-};
-
-SearchButton::SearchButton(QWidget *parent)
-  : QAbstractButton(parent),
-    m_menu(0)
-{
-    setObjectName(QLatin1String("SearchButton"));
-#ifndef QT_NO_CURSOR
-    setCursor(Qt::ArrowCursor);
-#endif //QT_NO_CURSOR
-    setFocusPolicy(Qt::NoFocus);
-}
-
-void SearchButton::mousePressEvent(QMouseEvent *event)
-{
-    if (m_menu && event->button() == Qt::LeftButton) {
-        QWidget *p = parentWidget();
-        if (p) {
-            QPoint r = p->mapToGlobal(QPoint(0, p->height()));
-            m_menu->exec(QPoint(r.x() + height() / 2, r.y()));
-        }
-        event->accept();
-    }
-    QAbstractButton::mousePressEvent(event);
-}
-
-void SearchButton::paintEvent(QPaintEvent *event)
-{
-    Q_UNUSED(event);
-    QPainterPath myPath;
-
-    int radius = (height() / 5) * 2;
-    QRect circle(height() / 3 - 1, height() / 4, radius, radius);
-    myPath.addEllipse(circle);
-
-    myPath.arcMoveTo(circle, 300);
-    QPointF c = myPath.currentPosition();
-    int diff = height() / 7;
-    myPath.lineTo(qMin(width() - 2, (int)c.x() + diff), c.y() + diff);
-
-    QPainter painter(this);
-    painter.setRenderHint(QPainter::Antialiasing, true);
-    painter.setPen(QPen(Qt::darkGray, 2));
-    painter.drawPath(myPath);
-
-    if (m_menu) {
-        QPainterPath dropPath;
-        dropPath.arcMoveTo(circle, 320);
-        QPointF c = dropPath.currentPosition();
-        c = QPointF(c.x() + 3.5, c.y() + 0.5);
-        dropPath.moveTo(c);
-        dropPath.lineTo(c.x() + 4, c.y());
-        dropPath.lineTo(c.x() + 2, c.y() + 2);
-        dropPath.closeSubpath();
-        painter.setPen(Qt::darkGray);
-        painter.setBrush(Qt::darkGray);
-        painter.setRenderHint(QPainter::Antialiasing, false);
-        painter.drawPath(dropPath);
-    }
-    painter.end();
-}
-
-/*
-    SearchLineEdit is an enhanced QLineEdit
-    - A Search icon on the left with optional menu
-    - When there is no text and doesn't have focus an "inactive text" is displayed
-    - When there is text a clear button is displayed on the right hand side
- */
-SearchLineEdit::SearchLineEdit(QWidget *parent) : ExLineEdit(parent),
-    m_searchButton(new SearchButton(this))
-{
-    connect(lineEdit(), SIGNAL(textChanged(QString)),
-            this, SIGNAL(textChanged(QString)));
-    setLeftWidget(m_searchButton);
-    m_inactiveText = tr("Search");
-
-    QSizePolicy policy = sizePolicy();
-    setSizePolicy(QSizePolicy::Preferred, policy.verticalPolicy());
-}
-
-void SearchLineEdit::paintEvent(QPaintEvent *event)
-{
-    if (lineEdit()->text().isEmpty() && !hasFocus() && !m_inactiveText.isEmpty()) {
-        ExLineEdit::paintEvent(event);
-        QStyleOptionFrame panel;
-        initStyleOption(&panel);
-        QRect r = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this);
-        QFontMetrics fm = fontMetrics();
-        int horizontalMargin = lineEdit()->x();
-        QRect lineRect(horizontalMargin + r.x(), r.y() + (r.height() - fm.height() + 1) / 2,
-                       r.width() - 2 * horizontalMargin, fm.height());
-        QPainter painter(this);
-        painter.setPen(palette().brush(QPalette::Disabled, QPalette::Text).color());
-        painter.drawText(lineRect, Qt::AlignLeft|Qt::AlignVCenter, m_inactiveText);
-    } else {
-        ExLineEdit::paintEvent(event);
-    }
-}
-
-void SearchLineEdit::resizeEvent(QResizeEvent *event)
-{
-    updateGeometries();
-    ExLineEdit::resizeEvent(event);
-}
-
-void SearchLineEdit::updateGeometries()
-{
-    int menuHeight = height();
-    int menuWidth = menuHeight + 1;
-    if (!m_searchButton->m_menu)
-        menuWidth = (menuHeight / 5) * 4;
-    m_searchButton->resize(QSize(menuWidth, menuHeight));
-}
-
-QString SearchLineEdit::inactiveText() const
-{
-    return m_inactiveText;
-}
-
-void SearchLineEdit::setInactiveText(const QString &text)
-{
-    m_inactiveText = text;
-}
-
-void SearchLineEdit::setMenu(QMenu *menu)
-{
-    if (m_searchButton->m_menu)
-        m_searchButton->m_menu->deleteLater();
-    m_searchButton->m_menu = menu;
-    updateGeometries();
-}
-
-QMenu *SearchLineEdit::menu() const
-{
-    if (!m_searchButton->m_menu) {
-        m_searchButton->m_menu = new QMenu(m_searchButton);
-        if (isVisible())
-            (const_cast<SearchLineEdit*>(this))->updateGeometries();
-    }
-    return m_searchButton->m_menu;
-}