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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

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