-/****************************************************************************
-**
-** 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.
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-****************************************************************************/
-
#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);
+ 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;
}