| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Fri, 12 Mar 2010 15:46:37 +0200 | |
| branch | RCL_3 |
| changeset 5 | d3bac044e0f0 |
| parent 4 | 3b1da2848fc7 |
| permissions | -rw-r--r-- |
| 0 | 1 |
/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt Assistant of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qhelpsearchresultwidget.h" |
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#include <QtCore/QList> |
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#include <QtCore/QString> |
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#include <QtCore/QPointer> |
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#include <QtCore/QStringList> |
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#include <QtGui/QLabel> |
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#include <QtGui/QLayout> |
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#include <QtGui/QMouseEvent> |
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#include <QtGui/QHeaderView> |
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#include <QtGui/QSpacerItem> |
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#include <QtGui/QToolButton> |
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#include <QtGui/QTreeWidget> |
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#include <QtGui/QTextBrowser> |
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#include <QtGui/QTreeWidgetItem> |
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QT_BEGIN_NAMESPACE |
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class QDefaultResultWidget : public QTreeWidget |
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{
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Q_OBJECT |
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public: |
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QDefaultResultWidget(QWidget *parent = 0) |
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: QTreeWidget(parent) |
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{
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header()->hide(); |
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connect(this, SIGNAL(itemActivated(QTreeWidgetItem*,int)), |
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this, SLOT(itemActivated(QTreeWidgetItem*,int))); |
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} |
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void showResultPage(const QList<QHelpSearchEngine::SearchHit> hits) |
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{
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foreach (const QHelpSearchEngine::SearchHit &hit, hits) |
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new QTreeWidgetItem(this, QStringList(hit.first) << hit.second); |
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} |
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signals: |
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void requestShowLink(const QUrl &url); |
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private slots: |
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void itemActivated(QTreeWidgetItem *item, int /* column */) |
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{
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if (item) {
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QString data = item->data(1, Qt::DisplayRole).toString(); |
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emit requestShowLink(data); |
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} |
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} |
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}; |
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class QCLuceneResultWidget : public QTextBrowser |
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{
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Q_OBJECT |
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public: |
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QCLuceneResultWidget(QWidget *parent = 0) |
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: QTextBrowser(parent) |
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{
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connect(this, SIGNAL(anchorClicked(QUrl)), |
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this, SIGNAL(requestShowLink(QUrl))); |
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setContextMenuPolicy(Qt::NoContextMenu); |
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} |
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void showResultPage(const QList<QHelpSearchEngine::SearchHit> hits, bool isIndexing) |
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{
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QString htmlFile = QString(QLatin1String("<html><head><title>%1</title></head><body>"))
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.arg(tr("Search Results"));
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int count = hits.count(); |
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if (count != 0) {
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if (isIndexing) |
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htmlFile += QString(QLatin1String("<div style=\"text-align:left; font-weight:bold; color:red\">"
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"%1 <span style=\"font-weight:normal; color:black\">" |
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"%2</span></div></div><br>")).arg(tr("Note:"))
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.arg(tr("The search results may not be complete since the "
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"documentation is still being indexed!")); |
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foreach (const QHelpSearchEngine::SearchHit &hit, hits) {
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htmlFile += QString(QLatin1String("<div style=\"text-align:left; font-weight:bold\""
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"><a href=\"%1\">%2</a><div style=\"color:green; font-weight:normal;" |
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" margin:5px\">%1</div></div><p></p>")) |
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.arg(hit.first).arg(hit.second); |
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} |
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} else {
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htmlFile += QLatin1String("<div align=\"center\"><br><br><h2>")
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+ tr("Your search did not match any documents.")
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+ QLatin1String("</h2><div>");
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if (isIndexing) |
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htmlFile += QLatin1String("<div align=\"center\"><h3>")
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+ tr("(The reason for this might be that the documentation "
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"is still being indexed.)") |
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+ QLatin1String("</h3><div>");
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} |
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htmlFile += QLatin1String("</body></html>");
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setHtml(htmlFile); |
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} |
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signals: |
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void requestShowLink(const QUrl &url); |
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private slots: |
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void setSource(const QUrl & /* name */) {}
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}; |
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class QHelpSearchResultWidgetPrivate : public QObject |
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{
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Q_OBJECT |
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private slots: |
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void setResults(int hitsCount) |
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{
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if (!searchEngine.isNull()) {
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#if defined(QT_CLUCENE_SUPPORT) |
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showFirstResultPage(); |
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updateNextButtonState(((hitsCount > 20) ? true : false)); |
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#else |
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resultTreeWidget->clear(); |
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resultTreeWidget->showResultPage(searchEngine->hits(0, hitsCount)); |
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#endif |
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} |
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} |
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void showNextResultPage() |
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{
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if (!searchEngine.isNull() |
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&& resultLastToShow < searchEngine->hitCount()) {
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resultLastToShow += 20; |
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resultFirstToShow += 20; |
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resultTextBrowser->showResultPage(searchEngine->hits(resultFirstToShow, |
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resultLastToShow), isIndexing); |
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if (resultLastToShow >= searchEngine->hitCount()) |
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updateNextButtonState(false); |
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} |
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updateHitRange(); |
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} |
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void showLastResultPage() |
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{
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if (!searchEngine.isNull()) {
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resultLastToShow = searchEngine->hitCount(); |
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resultFirstToShow = resultLastToShow - (resultLastToShow % 20); |
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if (resultFirstToShow == resultLastToShow) |
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resultFirstToShow -= 20; |
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resultTextBrowser->showResultPage(searchEngine->hits(resultFirstToShow, |
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resultLastToShow), isIndexing); |
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updateNextButtonState(false); |
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} |
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updateHitRange(); |
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} |
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void showFirstResultPage() |
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{
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if (!searchEngine.isNull()) {
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resultLastToShow = 20; |
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resultFirstToShow = 0; |
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resultTextBrowser->showResultPage(searchEngine->hits(resultFirstToShow, |
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resultLastToShow), isIndexing); |
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updatePrevButtonState(false); |
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} |
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updateHitRange(); |
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} |
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void showPreviousResultPage() |
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{
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if (!searchEngine.isNull()) {
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int count = resultLastToShow % 20; |
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if (count == 0 || resultLastToShow != searchEngine->hitCount()) |
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count = 20; |
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resultLastToShow -= count; |
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resultFirstToShow = resultLastToShow -20; |
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resultTextBrowser->showResultPage(searchEngine->hits(resultFirstToShow, |
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resultLastToShow), isIndexing); |
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if (resultFirstToShow == 0) |
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updatePrevButtonState(false); |
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} |
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updateHitRange(); |
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} |
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void updatePrevButtonState(bool state = true) |
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{
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firstResultPage->setEnabled(state); |
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previousResultPage->setEnabled(state); |
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} |
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void updateNextButtonState(bool state = true) |
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{
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nextResultPage->setEnabled(state); |
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lastResultPage->setEnabled(state); |
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} |
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void indexingStarted() |
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{
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isIndexing = true; |
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} |
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void indexingFinished() |
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{
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isIndexing = false; |
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} |
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private: |
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QHelpSearchResultWidgetPrivate(QHelpSearchEngine *engine) |
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: QObject() |
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, searchEngine(engine) |
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, isIndexing(false) |
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{
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resultTreeWidget = 0; |
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resultTextBrowser = 0; |
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resultLastToShow = 20; |
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resultFirstToShow = 0; |
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firstResultPage = 0; |
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previousResultPage = 0; |
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hitsLabel = 0; |
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nextResultPage = 0; |
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lastResultPage = 0; |
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connect(searchEngine, SIGNAL(indexingStarted()), |
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this, SLOT(indexingStarted())); |
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connect(searchEngine, SIGNAL(indexingFinished()), |
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this, SLOT(indexingFinished())); |
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} |
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~QHelpSearchResultWidgetPrivate() |
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{
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delete searchEngine; |
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} |
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QToolButton* setupToolButton(const QString &iconPath) |
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{
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QToolButton *button = new QToolButton(); |
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button->setEnabled(false); |
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button->setAutoRaise(true); |
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button->setIcon(QIcon(iconPath)); |
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button->setIconSize(QSize(12, 12)); |
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button->setMaximumSize(QSize(16, 16)); |
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return button; |
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} |
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void updateHitRange() |
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{
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int last = 0; |
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int first = 0; |
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int count = 0; |
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if (!searchEngine.isNull()) {
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41300fa6a67c
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parents:
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diff
changeset
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count = searchEngine->hitCount(); |
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if (count > 0) {
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first = resultFirstToShow +1; |
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last = resultLastToShow > count ? count : resultLastToShow; |
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} |
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} |
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hitsLabel->setText(tr("%1 - %2 of %3 Hits").arg(first).arg(last).arg(count));
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} |
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private: |
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friend class QHelpSearchResultWidget; |
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QPointer<QHelpSearchEngine> searchEngine; |
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QDefaultResultWidget *resultTreeWidget; |
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QCLuceneResultWidget *resultTextBrowser; |
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int resultLastToShow; |
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int resultFirstToShow; |
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bool isIndexing; |
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QToolButton *firstResultPage; |
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QToolButton *previousResultPage; |
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QLabel *hitsLabel; |
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QToolButton *nextResultPage; |
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QToolButton *lastResultPage; |
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}; |
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#include "qhelpsearchresultwidget.moc" |
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/*! |
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\class QHelpSearchResultWidget |
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\since 4.4 |
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\inmodule QtHelp |
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\brief The QHelpSearchResultWidget class provides either a tree |
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widget or a text browser depending on the used search engine to display |
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the hits found by the search. |
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*/ |
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/*! |
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\fn void QHelpSearchResultWidget::requestShowLink(const QUrl &link) |
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This signal is emitted when a item is activated and its associated |
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\a link should be shown. |
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*/ |
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QHelpSearchResultWidget::QHelpSearchResultWidget(QHelpSearchEngine *engine) |
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: QWidget(0) |
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, d(new QHelpSearchResultWidgetPrivate(engine)) |
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{
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QVBoxLayout *vLayout = new QVBoxLayout(this); |
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vLayout->setMargin(0); |
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vLayout->setSpacing(0); |
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#if defined(QT_CLUCENE_SUPPORT) |
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QHBoxLayout *hBoxLayout = new QHBoxLayout(); |
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#ifndef Q_OS_MAC |
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hBoxLayout->setMargin(0); |
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hBoxLayout->setSpacing(0); |
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#endif |
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hBoxLayout->addWidget(d->firstResultPage = d->setupToolButton( |
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QString::fromUtf8(":/trolltech/assistant/images/3leftarrow.png")));
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hBoxLayout->addWidget(d->previousResultPage = d->setupToolButton( |
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QString::fromUtf8(":/trolltech/assistant/images/1leftarrow.png")));
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d->hitsLabel = new QLabel(tr("0 - 0 of 0 Hits"), this);
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d->hitsLabel->setEnabled(false); |
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hBoxLayout->addWidget(d->hitsLabel); |
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d->hitsLabel->setAlignment(Qt::AlignCenter); |
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d->hitsLabel->setMinimumSize(QSize(150, d->hitsLabel->height())); |
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hBoxLayout->addWidget(d->nextResultPage = d->setupToolButton( |
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QString::fromUtf8(":/trolltech/assistant/images/1rightarrow.png")));
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hBoxLayout->addWidget(d->lastResultPage = d->setupToolButton( |
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QString::fromUtf8(":/trolltech/assistant/images/3rightarrow.png")));
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QSpacerItem *spacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum); |
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hBoxLayout->addItem(spacer); |
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vLayout->addLayout(hBoxLayout); |
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d->resultTextBrowser = new QCLuceneResultWidget(this); |
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vLayout->addWidget(d->resultTextBrowser); |
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41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
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connect(d->resultTextBrowser, SIGNAL(requestShowLink(QUrl)), this, |
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41300fa6a67c
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
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SIGNAL(requestShowLink(QUrl))); |
| 0 | 390 |
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connect(d->nextResultPage, SIGNAL(clicked()), d, SLOT(showNextResultPage())); |
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connect(d->lastResultPage, SIGNAL(clicked()), d, SLOT(showLastResultPage())); |
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connect(d->firstResultPage, SIGNAL(clicked()), d, SLOT(showFirstResultPage())); |
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connect(d->previousResultPage, SIGNAL(clicked()), d, SLOT(showPreviousResultPage())); |
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connect(d->firstResultPage, SIGNAL(clicked()), d, SLOT(updateNextButtonState())); |
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connect(d->previousResultPage, SIGNAL(clicked()), d, SLOT(updateNextButtonState())); |
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connect(d->nextResultPage, SIGNAL(clicked()), d, SLOT(updatePrevButtonState())); |
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connect(d->lastResultPage, SIGNAL(clicked()), d, SLOT(updatePrevButtonState())); |
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#else |
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d->resultTreeWidget = new QDefaultResultWidget(this); |
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vLayout->addWidget(d->resultTreeWidget); |
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parents:
0
diff
changeset
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connect(d->resultTreeWidget, SIGNAL(requestShowLink(QUrl)), this, |
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41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
405 |
SIGNAL(requestShowLink(QUrl))); |
| 0 | 406 |
#endif |
407 |
||
408 |
connect(engine, SIGNAL(searchingFinished(int)), d, SLOT(setResults(int))); |
|
409 |
} |
|
410 |
||
|
5
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
411 |
/*! \reimp |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
412 |
*/ |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
413 |
void QHelpSearchResultWidget::changeEvent(QEvent *event) |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
414 |
{
|
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
415 |
if (event->type() == QEvent::LanguageChange) |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
416 |
d->setResults(d->searchEngine->hitCount()); |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
417 |
} |
|
d3bac044e0f0
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
4
diff
changeset
|
418 |
|
| 0 | 419 |
/*! |
420 |
Destroys the search result widget. |
|
421 |
*/ |
|
422 |
QHelpSearchResultWidget::~QHelpSearchResultWidget() |
|
423 |
{
|
|
424 |
delete d; |
|
425 |
} |
|
426 |
||
427 |
/*! |
|
428 |
Returns a reference of the URL that the item at \a point owns, or an |
|
429 |
empty URL if no item exists at that point. |
|
430 |
*/ |
|
431 |
QUrl QHelpSearchResultWidget::linkAt(const QPoint &point) |
|
432 |
{
|
|
433 |
QUrl url; |
|
434 |
#if defined(QT_CLUCENE_SUPPORT) |
|
435 |
if (d->resultTextBrowser) |
|
436 |
url = d->resultTextBrowser->anchorAt(point); |
|
437 |
#else |
|
438 |
if (d->resultTreeWidget) {
|
|
439 |
QTreeWidgetItem *item = d->resultTreeWidget->itemAt(point); |
|
440 |
if (item) |
|
441 |
url = item->data(1, Qt::DisplayRole).toString(); |
|
442 |
} |
|
443 |
#endif |
|
444 |
return url; |
|
445 |
} |
|
446 |
||
447 |
QT_END_NAMESPACE |