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Diffstat (limited to 'src/assistant/tools/assistant/indexwindow.cpp')
-rw-r--r-- | src/assistant/tools/assistant/indexwindow.cpp | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/assistant/tools/assistant/indexwindow.cpp b/src/assistant/tools/assistant/indexwindow.cpp new file mode 100644 index 000000000..38bc8b96a --- /dev/null +++ b/src/assistant/tools/assistant/indexwindow.cpp @@ -0,0 +1,231 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Assistant of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "indexwindow.h" + +#include "centralwidget.h" +#include "helpenginewrapper.h" +#include "helpviewer.h" +#include "openpagesmanager.h" +#include "topicchooser.h" +#include "tracer.h" + +#include <QtGui/QLayout> +#include <QtGui/QLabel> +#include <QtGui/QLineEdit> +#include <QtGui/QKeyEvent> +#include <QtGui/QMenu> +#include <QtGui/QContextMenuEvent> +#include <QtGui/QListWidgetItem> + +#include <QtHelp/QHelpIndexWidget> + +QT_BEGIN_NAMESPACE + +IndexWindow::IndexWindow(QWidget *parent) + : QWidget(parent) + , m_searchLineEdit(new QLineEdit) + , m_indexWidget(HelpEngineWrapper::instance().indexWidget()) +{ + TRACE_OBJ + QVBoxLayout *layout = new QVBoxLayout(this); + QLabel *l = new QLabel(tr("&Look for:")); + layout->addWidget(l); + + l->setBuddy(m_searchLineEdit); + connect(m_searchLineEdit, SIGNAL(textChanged(QString)), this, + SLOT(filterIndices(QString))); + m_searchLineEdit->installEventFilter(this); + layout->setMargin(4); + layout->addWidget(m_searchLineEdit); + + HelpEngineWrapper &helpEngine = HelpEngineWrapper::instance(); + m_indexWidget->installEventFilter(this); + connect(helpEngine.indexModel(), SIGNAL(indexCreationStarted()), this, + SLOT(disableSearchLineEdit())); + connect(helpEngine.indexModel(), SIGNAL(indexCreated()), this, + SLOT(enableSearchLineEdit())); + connect(m_indexWidget, SIGNAL(linkActivated(QUrl,QString)), this, + SIGNAL(linkActivated(QUrl))); + connect(m_indexWidget, SIGNAL(linksActivated(QMap<QString,QUrl>,QString)), + this, SIGNAL(linksActivated(QMap<QString,QUrl>,QString))); + connect(m_searchLineEdit, SIGNAL(returnPressed()), m_indexWidget, + SLOT(activateCurrentItem())); + layout->addWidget(m_indexWidget); + + m_indexWidget->viewport()->installEventFilter(this); +} + +IndexWindow::~IndexWindow() +{ + TRACE_OBJ +} + +void IndexWindow::filterIndices(const QString &filter) +{ + TRACE_OBJ + if (filter.contains(QLatin1Char('*'))) + m_indexWidget->filterIndices(filter, filter); + else + m_indexWidget->filterIndices(filter, QString()); +} + +bool IndexWindow::eventFilter(QObject *obj, QEvent *e) +{ + TRACE_OBJ + if (obj == m_searchLineEdit && e->type() == QEvent::KeyPress) { + QKeyEvent *ke = static_cast<QKeyEvent*>(e); + QModelIndex idx = m_indexWidget->currentIndex(); + switch (ke->key()) { + case Qt::Key_Up: + idx = m_indexWidget->model()->index(idx.row()-1, + idx.column(), idx.parent()); + if (idx.isValid()) { + m_indexWidget->setCurrentIndex(idx); + return true; + } + break; + case Qt::Key_Down: + idx = m_indexWidget->model()->index(idx.row()+1, + idx.column(), idx.parent()); + if (idx.isValid()) { + m_indexWidget->setCurrentIndex(idx); + return true; + } + break; + case Qt::Key_Escape: + emit escapePressed(); + return true; + default: ; // stop complaining + } + } else if (obj == m_indexWidget && e->type() == QEvent::ContextMenu) { + QContextMenuEvent *ctxtEvent = static_cast<QContextMenuEvent*>(e); + QModelIndex idx = m_indexWidget->indexAt(ctxtEvent->pos()); + if (idx.isValid()) { + QMenu menu; + QAction *curTab = menu.addAction(tr("Open Link")); + QAction *newTab = menu.addAction(tr("Open Link in New Tab")); + menu.move(m_indexWidget->mapToGlobal(ctxtEvent->pos())); + + QAction *action = menu.exec(); + if (curTab == action) + m_indexWidget->activateCurrentItem(); + else if (newTab == action) { + open(m_indexWidget, idx); + } + } + } else if (m_indexWidget && obj == m_indexWidget->viewport() + && e->type() == QEvent::MouseButtonRelease) { + QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(e); + QModelIndex idx = m_indexWidget->indexAt(mouseEvent->pos()); + if (idx.isValid()) { + Qt::MouseButtons button = mouseEvent->button(); + if (((button == Qt::LeftButton) && (mouseEvent->modifiers() & Qt::ControlModifier)) + || (button == Qt::MidButton)) { + open(m_indexWidget, idx); + } + } + } +#ifdef Q_OS_MAC + else if (obj == m_indexWidget && e->type() == QEvent::KeyPress) { + QKeyEvent *ke = static_cast<QKeyEvent*>(e); + if (ke->key() == Qt::Key_Return || ke->key() == Qt::Key_Enter) + m_indexWidget->activateCurrentItem(); + } +#endif + return QWidget::eventFilter(obj, e); +} + +void IndexWindow::enableSearchLineEdit() +{ + TRACE_OBJ + m_searchLineEdit->setDisabled(false); + filterIndices(m_searchLineEdit->text()); +} + +void IndexWindow::disableSearchLineEdit() +{ + TRACE_OBJ + m_searchLineEdit->setDisabled(true); +} + +void IndexWindow::setSearchLineEditText(const QString &text) +{ + TRACE_OBJ + m_searchLineEdit->setText(text); +} + +void IndexWindow::focusInEvent(QFocusEvent *e) +{ + TRACE_OBJ + if (e->reason() != Qt::MouseFocusReason) { + m_searchLineEdit->selectAll(); + m_searchLineEdit->setFocus(); + } +} + +void IndexWindow::open(QHelpIndexWidget* indexWidget, const QModelIndex &index) +{ + TRACE_OBJ + QHelpIndexModel *model = qobject_cast<QHelpIndexModel*>(indexWidget->model()); + if (model) { + QString keyword = model->data(index, Qt::DisplayRole).toString(); + QMap<QString, QUrl> links = model->linksForKeyword(keyword); + + QUrl url; + if (links.count() > 1) { + TopicChooser tc(this, keyword, links); + if (tc.exec() == QDialog::Accepted) + url = tc.link(); + } else if (links.count() == 1) { + url = links.constBegin().value(); + } else { + return; + } + + if (!HelpViewer::canOpenPage(url.path())) + CentralWidget::instance()->setSource(url); + else + OpenPagesManager::instance()->createPage(url); + } +} + +QT_END_NAMESPACE |