/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
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** 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
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#include "navigationtreeview.h"

#include <QtGui/QHeaderView>
#include <QtGui/QFocusEvent>

#ifdef Q_WS_MAC
#include <QtGui/QKeyEvent>
#endif

namespace Utils {

NavigationTreeView::NavigationTreeView(QWidget *parent)
    : QTreeView(parent)
{
    setFrameStyle(QFrame::NoFrame);
    setIndentation(indentation() * 9/10);
    setUniformRowHeights(true);
    setTextElideMode(Qt::ElideNone);
    setAttribute(Qt::WA_MacShowFocusRect, false);

    setHeaderHidden(true);

    // show horizontal scrollbar
    header()->setResizeMode(QHeaderView::ResizeToContents);
    header()->setStretchLastSection(false);
}

// This is a workaround to stop Qt from redrawing the project tree every
// time the user opens or closes a menu when it has focus. Would be nicer to
// fix it in Qt.
void NavigationTreeView::focusInEvent(QFocusEvent *event)
{
    if (event->reason() != Qt::PopupFocusReason)
        QTreeView::focusInEvent(event);
}

void NavigationTreeView::focusOutEvent(QFocusEvent *event)
{
    if (event->reason() != Qt::PopupFocusReason)
        QTreeView::focusOutEvent(event);
}

#ifdef Q_WS_MAC
void NavigationTreeView::keyPressEvent(QKeyEvent *event)
{
    if ((event->key() == Qt::Key_Return
            || event->key() == Qt::Key_Enter)
            && event->modifiers() == 0
            && currentIndex().isValid()
            && state() != QAbstractItemView::EditingState) {
        emit activated(currentIndex());
        return;
    }
    QTreeView::keyPressEvent(event);
}
#endif

} // namespace Utils