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Diffstat (limited to 'src/plugins/help/searchwidget.cpp')
| -rw-r--r-- | src/plugins/help/searchwidget.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/plugins/help/searchwidget.cpp b/src/plugins/help/searchwidget.cpp new file mode 100644 index 0000000000..620ca7ef76 --- /dev/null +++ b/src/plugins/help/searchwidget.cpp @@ -0,0 +1,213 @@ +/*************************************************************************** +** +** This file is part of Qt Creator +** +** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Qt Software Information (qt-info@nokia.com) +** +** +** Non-Open Source Usage +** +** Licensees may use this file in accordance with the Qt Beta Version +** License Agreement, Agreement version 2.2 provided with the Software or, +** alternatively, in accordance with the terms contained in a written +** agreement between you and Nokia. +** +** GNU General Public License Usage +** +** Alternatively, this file may be used under the terms of the GNU General +** Public License versions 2.0 or 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 GNU +** General Public Licensing requirements will be met: +** +** http://www.fsf.org/licensing/licenses/info/GPLv2.html and +** http://www.gnu.org/copyleft/gpl.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt GPL Exception version +** 1.2, included in the file GPL_EXCEPTION.txt in this package. +** +***************************************************************************/ + +#include "searchwidget.h" + +#include <QtCore/QMap> +#include <QtCore/QString> +#include <QtCore/QStringList> + +#include <QtGui/QMenu> +#include <QtGui/QLayout> +#include <QtGui/QKeyEvent> +#include <QtGui/QClipboard> +#include <QtGui/QApplication> +#include <QtGui/QTextBrowser> + +#include <QtHelp/QHelpSearchEngine> +#include <QtHelp/QHelpSearchQueryWidget> +#include <QtHelp/QHelpSearchResultWidget> + +using namespace Help::Internal; + +SearchWidget::SearchWidget(QHelpSearchEngine *engine, QWidget *parent) + : QWidget(parent) + , zoomCount(0) + , searchEngine(engine) +{ + QVBoxLayout *vLayout = new QVBoxLayout(this); + + resultWidget = searchEngine->resultWidget(); + QHelpSearchQueryWidget *queryWidget = searchEngine->queryWidget(); + + vLayout->addWidget(queryWidget); + vLayout->addWidget(resultWidget); + + setFocusProxy(queryWidget); + + connect(queryWidget, SIGNAL(search()), this, SLOT(search())); + connect(resultWidget, SIGNAL(requestShowLink(const QUrl&)), + this, SIGNAL(requestShowLink(const QUrl&))); + + connect(searchEngine, SIGNAL(searchingStarted()), this, SLOT(searchingStarted())); + connect(searchEngine, SIGNAL(searchingFinished(int)), this, SLOT(searchingFinished(int))); +} + +SearchWidget::~SearchWidget() +{ + // nothing todo +} + +void SearchWidget::zoomIn() +{ +#ifndef QT_CLUCENE_SUPPORT + return; +#endif + + QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget); + if (browser && zoomCount != 10) { + zoomCount++; + browser->zoomIn(); + } +} + +void SearchWidget::zoomOut() +{ +#ifndef QT_CLUCENE_SUPPORT + return; +#endif + + QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget); + if (browser && zoomCount != -5) { + zoomCount--; + browser->zoomOut(); + } +} + +void SearchWidget::resetZoom() +{ +#ifndef QT_CLUCENE_SUPPORT + return; +#endif + + if (zoomCount == 0) + return; + + QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget); + if (browser) { + browser->zoomOut(zoomCount); + zoomCount = 0; + } +} + +void SearchWidget::search() const +{ + QList<QHelpSearchQuery> query = searchEngine->queryWidget()->query(); + searchEngine->search(query); +} + +void SearchWidget::searchingStarted() +{ + qApp->setOverrideCursor(QCursor(Qt::WaitCursor)); +} + +void SearchWidget::searchingFinished(int hits) +{ + Q_UNUSED(hits) + qApp->restoreOverrideCursor(); +} + +void SearchWidget::keyPressEvent(QKeyEvent *keyEvent) +{ + if (keyEvent->key() == Qt::Key_Escape) + emit escapePressed(); +} + +void SearchWidget::contextMenuEvent(QContextMenuEvent *contextMenuEvent) +{ + QMenu menu; + QPoint point = contextMenuEvent->globalPos(); + +#ifdef QT_CLUCENE_SUPPORT + QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget); + if (!browser) + return; + + point = browser->mapFromGlobal(point); + if (!browser->rect().contains(point, true)) + return; + + QUrl link = browser->anchorAt(point); + + QAction *copyAction = menu.addAction(tr("&Copy") + + QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL | Qt::Key_C)))); + copyAction->setEnabled(QTextCursor(browser->textCursor()).hasSelection()); + + QAction *copyAnchorAction = menu.addAction(tr("Copy &Link Location")); + copyAnchorAction->setEnabled(!link.isEmpty() && link.isValid()); + + QAction *newTabAction = menu.addAction(tr("Open Link in New Tab") + + QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL))) + + QLatin1String("LMB")); + newTabAction->setEnabled(!link.isEmpty() && link.isValid()); + + menu.addSeparator(); + + QAction *selectAllAction = menu.addAction(tr("Select All") + + QString(QLatin1String("\t") + QString(QKeySequence(Qt::CTRL | Qt::Key_A)))); + + QAction *usedAction = menu.exec(mapToGlobal(contextMenuEvent->pos())); + if (usedAction == copyAction) { + QTextCursor cursor = browser->textCursor(); + if (!cursor.isNull() && cursor.hasSelection()) { + QString selectedText = cursor.selectedText(); + QMimeData *data = new QMimeData(); + data->setText(selectedText); + QApplication::clipboard()->setMimeData(data); + } + } + else if (usedAction == copyAnchorAction) { + QApplication::clipboard()->setText(link.toString()); + } + else if (usedAction == newTabAction) { + emit requestShowLinkInNewTab(link); + } + else if (usedAction == selectAllAction) { + browser->selectAll(); + } +#else + point = resultWidget->mapFromGlobal(point); + QUrl link = resultWidget->linkAt(point); + if (link.isEmpty() || !link.isValid()) + return; + + QAction *curTab = menu.addAction(tr("Open Link")); + QAction *newTab = menu.addAction(tr("Open Link in New Tab")); + + QAction *action = menu.exec(mapToGlobal(contextMenuEvent->pos())); + if (curTab == action) + emit requestShowLink(link); + else if (newTab == action) + emit requestShowLinkInNewTab(link); +#endif +} |