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Diffstat (limited to 'src/plugins/help/indextoolwindow.cpp')
| -rw-r--r-- | src/plugins/help/indextoolwindow.cpp | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/plugins/help/indextoolwindow.cpp b/src/plugins/help/indextoolwindow.cpp new file mode 100644 index 0000000000..f80bd453cb --- /dev/null +++ b/src/plugins/help/indextoolwindow.cpp @@ -0,0 +1,215 @@ +/*************************************************************************** +** +** 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 <QtCore/QDebug> +#include <QtGui/QKeyEvent> +#include <QtGui/QFocusEvent> +#include <QtGui/QLayout> +#include <QtGui/QLabel> +#include <QtGui/QLineEdit> +#include <QtGui/QListView> +#include <QtGui/QApplication> + +#include "indextoolwindow.h" +#include "helpengine.h" +#include "topicchooser.h" + +using namespace Help::Internal; + +IndexToolWidget::IndexToolWidget() +{ + wasInitialized = false; + + QVBoxLayout *layout = new QVBoxLayout(this); + layout->setMargin(0); + + QLabel *l = new QLabel(tr("Look for:"), this); + layout->addWidget(l); + + findLineEdit = new QLineEdit(this); + findLineEdit->installEventFilter(this); + layout->addWidget(findLineEdit); + + indicesView = new QListView(this); + indicesView->setLayoutMode(QListView::Batched); + indicesView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + + layout->addWidget(indicesView); + + setWindowTitle(tr("Index")); + setWindowIcon(QIcon(":/help/images/find.png")); +} + +void IndexToolWidget::focusInEvent(QFocusEvent *e) +{ + showEvent(0); + if (e && e->reason() != Qt::MouseFocusReason) { + findLineEdit->selectAll(); + findLineEdit->setFocus(); + } +} + +void IndexToolWidget::showEvent(QShowEvent *) +{ + if (!wasInitialized) { + wasInitialized = true; + setCursor(QCursor(Qt::WaitCursor)); + emit buildRequested(); + } +} + +bool IndexToolWidget::eventFilter(QObject * o, QEvent * e) +{ + if (o == findLineEdit && e->type() == QEvent::KeyPress) { + switch (static_cast<QKeyEvent*>(e)->key()) { + case Qt::Key_Up: + case Qt::Key_Down: + case Qt::Key_PageDown: + case Qt::Key_PageUp: + QApplication::sendEvent(indicesView, e); + break; + case Qt::Key_Escape: + emit escapePressed(); + break; + default: + break; + } + } + return QWidget::eventFilter(o, e); +} + + +IndexToolWindow::IndexToolWindow(const QList<int> &context, HelpEngine *help) +{ + m_context = context; + m_context << 0; + + m_widget = new IndexToolWidget; + + helpEngine = help; + connect(helpEngine, SIGNAL(indexInitialized()), this, SLOT(indexDone())); + model = 0; + + connect(m_widget->findLineEdit, SIGNAL(textEdited(const QString&)), + this, SLOT(searchInIndex(const QString &))); + connect(m_widget->findLineEdit, SIGNAL(returnPressed()), this, SLOT(indexRequested())); + connect(m_widget, SIGNAL(buildRequested()), helpEngine, SLOT(buildIndex())); + + connect(m_widget->indicesView, SIGNAL(activated(const QModelIndex&)), + this, SLOT(indexRequested())); + connect(m_widget, SIGNAL(escapePressed()), this, SIGNAL(escapePressed())); + +} + +IndexToolWindow::~IndexToolWindow() +{ + delete m_widget; +} + +const QList<int> &IndexToolWindow::context() const +{ + return m_context; +} + +QWidget *IndexToolWindow::widget() +{ + return m_widget; +} + +void IndexToolWindow::indexDone() +{ + model = helpEngine->indices(); + m_widget->indicesView->setModel(model); + m_widget->setCursor(QCursor(Qt::ArrowCursor)); +} + +void IndexToolWindow::searchInIndex(const QString &str) +{ + if (!model) + return; + QRegExp atoz("[A-Z]"); + int matches = str.count(atoz); + if (matches > 0 && !str.contains(".*")) + { + int start = 0; + QString newSearch; + for (; matches > 0; --matches) { + int match = str.indexOf(atoz, start+1); + if (match <= start) + continue; + newSearch += str.mid(start, match-start); + newSearch += ".*"; + start = match; + } + newSearch += str.mid(start); + m_widget->indicesView->setCurrentIndex(model->filter(newSearch, str)); + } + else + m_widget->indicesView->setCurrentIndex(model->filter(str, str)); +} + +void IndexToolWindow::indexRequested() +{ + if (!model) + return; + int row = m_widget->indicesView->currentIndex().row(); + if (row == -1 || row >= model->rowCount()) + return; + + QString description = model->description(row); + QStringList links = model->links(row); + + bool blocked = m_widget->findLineEdit->blockSignals(true); + m_widget->findLineEdit->setText(description); + m_widget->findLineEdit->blockSignals(blocked); + + if (links.count() == 1) { + emit showLinkRequested(links.first(), false); + } else { + qSort(links); + QStringList::Iterator it = links.begin(); + QStringList linkList; + QStringList linkNames; + for (; it != links.end(); ++it) { + linkList << *it; + linkNames << helpEngine->titleOfLink(*it); + } + QString link = TopicChooser::getLink(m_widget, linkNames, linkList, description); + if (!link.isEmpty()) + emit showLinkRequested(link, false); + } + + model->publish(); + m_widget->indicesView->setCurrentIndex(model->index(model->stringList().indexOf(description))); + m_widget->indicesView->scrollTo(m_widget->indicesView->currentIndex(), QAbstractItemView::PositionAtTop); +} + |