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213
src/plugins/help/searchwidget.cpp
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213
src/plugins/help/searchwidget.cpp
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/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.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 GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "searchwidget.h"
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#include <QtCore/QMap>
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#include <QtCore/QString>
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#include <QtCore/QStringList>
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#include <QtGui/QMenu>
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#include <QtGui/QLayout>
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#include <QtGui/QKeyEvent>
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#include <QtGui/QClipboard>
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#include <QtGui/QApplication>
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#include <QtGui/QTextBrowser>
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#include <QtHelp/QHelpSearchEngine>
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#include <QtHelp/QHelpSearchQueryWidget>
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#include <QtHelp/QHelpSearchResultWidget>
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using namespace Help::Internal;
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SearchWidget::SearchWidget(QHelpSearchEngine *engine, QWidget *parent)
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: QWidget(parent)
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, zoomCount(0)
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, searchEngine(engine)
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{
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QVBoxLayout *vLayout = new QVBoxLayout(this);
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resultWidget = searchEngine->resultWidget();
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QHelpSearchQueryWidget *queryWidget = searchEngine->queryWidget();
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vLayout->addWidget(queryWidget);
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vLayout->addWidget(resultWidget);
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setFocusProxy(queryWidget);
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connect(queryWidget, SIGNAL(search()), this, SLOT(search()));
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connect(resultWidget, SIGNAL(requestShowLink(const QUrl&)),
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this, SIGNAL(requestShowLink(const QUrl&)));
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connect(searchEngine, SIGNAL(searchingStarted()), this, SLOT(searchingStarted()));
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connect(searchEngine, SIGNAL(searchingFinished(int)), this, SLOT(searchingFinished(int)));
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}
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SearchWidget::~SearchWidget()
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{
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// nothing todo
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}
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void SearchWidget::zoomIn()
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{
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#ifndef QT_CLUCENE_SUPPORT
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return;
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#endif
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QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget);
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if (browser && zoomCount != 10) {
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zoomCount++;
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browser->zoomIn();
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}
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}
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void SearchWidget::zoomOut()
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{
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#ifndef QT_CLUCENE_SUPPORT
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return;
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#endif
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QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget);
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if (browser && zoomCount != -5) {
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zoomCount--;
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browser->zoomOut();
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}
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}
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void SearchWidget::resetZoom()
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{
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#ifndef QT_CLUCENE_SUPPORT
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return;
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#endif
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if (zoomCount == 0)
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return;
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QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget);
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if (browser) {
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browser->zoomOut(zoomCount);
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zoomCount = 0;
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}
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}
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void SearchWidget::search() const
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{
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QList<QHelpSearchQuery> query = searchEngine->queryWidget()->query();
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searchEngine->search(query);
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}
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void SearchWidget::searchingStarted()
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{
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qApp->setOverrideCursor(QCursor(Qt::WaitCursor));
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}
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void SearchWidget::searchingFinished(int hits)
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{
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Q_UNUSED(hits)
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qApp->restoreOverrideCursor();
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}
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void SearchWidget::keyPressEvent(QKeyEvent *keyEvent)
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{
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if (keyEvent->key() == Qt::Key_Escape)
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emit escapePressed();
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}
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void SearchWidget::contextMenuEvent(QContextMenuEvent *contextMenuEvent)
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{
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QMenu menu;
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QPoint point = contextMenuEvent->globalPos();
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#ifdef QT_CLUCENE_SUPPORT
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QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget);
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if (!browser)
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return;
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point = browser->mapFromGlobal(point);
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if (!browser->rect().contains(point, true))
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return;
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QUrl link = browser->anchorAt(point);
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QAction *copyAction = menu.addAction(tr("&Copy") +
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QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL | Qt::Key_C))));
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copyAction->setEnabled(QTextCursor(browser->textCursor()).hasSelection());
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QAction *copyAnchorAction = menu.addAction(tr("Copy &Link Location"));
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copyAnchorAction->setEnabled(!link.isEmpty() && link.isValid());
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QAction *newTabAction = menu.addAction(tr("Open Link in New Tab") +
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QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL))) +
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QLatin1String("LMB"));
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newTabAction->setEnabled(!link.isEmpty() && link.isValid());
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menu.addSeparator();
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QAction *selectAllAction = menu.addAction(tr("Select All") +
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QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL | Qt::Key_A))));
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QAction *usedAction = menu.exec(mapToGlobal(contextMenuEvent->pos()));
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if (usedAction == copyAction) {
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QTextCursor cursor = browser->textCursor();
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if (!cursor.isNull() && cursor.hasSelection()) {
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QString selectedText = cursor.selectedText();
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QMimeData *data = new QMimeData();
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data->setText(selectedText);
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QApplication::clipboard()->setMimeData(data);
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}
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}
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else if (usedAction == copyAnchorAction) {
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QApplication::clipboard()->setText(link.toString());
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}
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else if (usedAction == newTabAction) {
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emit requestShowLinkInNewTab(link);
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}
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else if (usedAction == selectAllAction) {
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browser->selectAll();
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}
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#else
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point = resultWidget->mapFromGlobal(point);
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QUrl link = resultWidget->linkAt(point);
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if (link.isEmpty() || !link.isValid())
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return;
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QAction *curTab = menu.addAction(tr("Open Link"));
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QAction *newTab = menu.addAction(tr("Open Link in New Tab"));
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QAction *action = menu.exec(mapToGlobal(contextMenuEvent->pos()));
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if (curTab == action)
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emit requestShowLink(link);
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else if (newTab == action)
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emit requestShowLinkInNewTab(link);
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#endif
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}
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