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-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the demonstration applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at http://www.qtsoftware.com/contact.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
 #include "searchlineedit.h"
-
-#include <QtGui/QPainter>
-#include <QtGui/QMouseEvent>
-#include <QtGui/QMenu>
-#include <QtGui/QStyle>
-#include <QtGui/QStyleOptionFrameV2>
-
 #include "autocomplete.h"
+#include "iconutils.h"
 
-ClearButton::ClearButton(QWidget *parent)
-    : QAbstractButton(parent)
-{
-    setCursor(Qt::ArrowCursor);
-    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);
-    // QColor color = palette().color(QPalette::Mid);
-    painter.setBrush(isDown()
-                     ? palette().color(QPalette::Dark)
-                         : palette().color(QPalette::Mid));
-    painter.setPen(painter.brush().color());
-    int size = width();
-    int offset = size / 3.5;
-    int radius = size - offset * 2;
-    painter.drawEllipse(offset, offset, radius, radius);
-
-    painter.setPen(QPen(palette().color(QPalette::Base),2));
-    int border = offset * 1.6;
-    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"));
-    setCursor(Qt::ArrowCursor);
-    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;
+SearchLineEdit::SearchLineEdit(QWidget *parent) : QLineEdit(parent) {
+    setClearButtonEnabled(true);
+    setPlaceholderText(tr("Search"));
 
-    int radius = (height() / 5) * 2;
-    QRect circle(height() / 5.5, height() / 3.5, radius, radius);
-    myPath.addEllipse(circle);
-
-    myPath.arcMoveTo(circle, 315);
-    QPointF c = myPath.currentPosition();
-    int diff = height() / 6;
-    myPath.lineTo(qMin(width() - 2, (int)c.x() + diff), c.y() + diff);
-
-    QPainter painter(this);
-    painter.setRenderHint(QPainter::Antialiasing, true);
-    painter.setPen(QPen(palette().color(QPalette::Mid), height() / 10));
-    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(const QString &)),
-            this, SIGNAL(textChanged(const QString &)));
-
-    connect(lineEdit(), SIGNAL(returnPressed()),
-            this, SLOT(returnPressed()));
-
-    setLeftWidget(m_searchButton);
-    m_inactiveText = tr("Search");
-
-    QSizePolicy policy = sizePolicy();
-    setSizePolicy(QSizePolicy::Preferred, policy.verticalPolicy());
+    QAction *searchAction = new QAction();
+    IconUtils::setIcon(searchAction, "edit-find");
+    addAction(searchAction, QLineEdit::LeadingPosition);
 
     // completion
-    completion = new AutoComplete(this, m_lineEdit);
-    connect(completion, SIGNAL(suggestionAccepted(const QString &)), SIGNAL(suggestionAccepted(const QString &)));
+    autoComplete = new AutoComplete(this, this);
+    connect(autoComplete, SIGNAL(suggestionAccepted(Suggestion *)),
+            SIGNAL(suggestionAccepted(Suggestion *)));
 
+    connect(this, SIGNAL(returnPressed()), SLOT(returnPressed()));
 }
 
-void SearchLineEdit::paintEvent(QPaintEvent *event)
-{
-    if (lineEdit()->text().isEmpty() && !hasFocus() && !m_inactiveText.isEmpty()) {
-        ExLineEdit::paintEvent(event);
-        QStyleOptionFrameV2 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);
-    }
+QMenu *SearchLineEdit::menu() const {
+    return nullptr;
 }
 
-void SearchLineEdit::resizeEvent(QResizeEvent *event)
-{
-    updateGeometries();
-    ExLineEdit::resizeEvent(event);
+void SearchLineEdit::setMenu(QMenu *menu) {
+    Q_UNUSED(menu);
 }
 
-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));
+void SearchLineEdit::enableSuggest() {
+    autoComplete->enableSuggest();
 }
 
-QString SearchLineEdit::inactiveText() const
-{
-    return m_inactiveText;
+void SearchLineEdit::preventSuggest() {
+    autoComplete->preventSuggest();
 }
 
-void SearchLineEdit::setInactiveText(const QString &text)
-{
-    m_inactiveText = text;
+void SearchLineEdit::setSuggester(Suggester *suggester) {
+    autoComplete->setSuggester(suggester);
 }
 
-void SearchLineEdit::setMenu(QMenu *menu)
-{
-    if (m_searchButton->m_menu)
-        m_searchButton->m_menu->deleteLater();
-    m_searchButton->m_menu = menu;
-    updateGeometries();
+AutoComplete *SearchLineEdit::getAutoComplete() {
+    return autoComplete;
 }
 
-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;
+void SearchLineEdit::emitTextChanged(const QString &text) {
+    autoComplete->enableSuggest();
+    emit QLineEdit::textEdited(text);
 }
 
-void SearchLineEdit::returnPressed()
-{
-    if (!lineEdit()->text().isEmpty()) {
-        completion->preventSuggest();
-        emit search(lineEdit()->text());
+void SearchLineEdit::returnPressed() {
+    QString s = text().simplified();
+    if (!s.isEmpty()) {
+        autoComplete->preventSuggest();
+        emit search(s);
     }
 }
 
-void SearchLineEdit::enableSuggest() {
-    completion->enableSuggest();
-}
-
-void SearchLineEdit::preventSuggest() {
-    completion->preventSuggest();
+QLineEdit *SearchLineEdit::getLineEdit() {
+    return this;
 }
 
-void SearchLineEdit::focusInEvent(QFocusEvent *event) {
-    ExLineEdit::focusInEvent(event);
-    enableSuggest();
+QWidget *SearchLineEdit::toWidget() {
+    return this;
 }