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/***************************************************************************
* Copyright (C) 2011 by Tirtha Chatterjee <[email protected]> *
* *
* Based on the Itemviews NG project from Trolltech Labs: *
* http://qt.gitorious.org/qt-labs/itemviews-ng *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef KITEMLISTKEYBOARDSEARCHMANAGER_H
#define KITEMLISTKEYBOARDSEARCHMANAGER_H
#include "dolphin_export.h"
#include <QObject>
#include <QString>
#include <QElapsedTimer>
/**
* @brief Controls the keyboard searching ability for a KItemListController.
*
* @see KItemListController
* @see KItemModelBase
*/
class DOLPHIN_EXPORT KItemListKeyboardSearchManager : public QObject
{
Q_OBJECT
public:
KItemListKeyboardSearchManager(QObject* parent = 0);
virtual ~KItemListKeyboardSearchManager();
/**
* Add \a keys to the text buffer used for searching.
*/
void addKeys(const QString& keys);
/**
* Sets the delay after which the search is cancelled to \a milliseconds.
* If the time interval between two calls of addKeys(const QString&) is
* larger than this, the second call will start a new search, rather than
* combining the keys received from both calls to a single search string.
*/
void setTimeout(qint64 milliseconds);
qint64 timeout() const;
void cancelSearch();
public slots:
void slotCurrentChanged(int current, int previous);
signals:
/**
* Is emitted if the current item should be changed corresponding
* to \a text.
* @param searchFromNextItem If true start searching from item next to the
* current item. Otherwise, search from the
* current item.
*/
// TODO: Think about getting rid of the bool parameter
// (see http://doc.qt.nokia.com/qq/qq13-apis.html#thebooleanparametertrap)
void changeCurrentItem(const QString& string, bool searchFromNextItem);
private:
QString m_searchedString;
QElapsedTimer m_keyboardInputTime;
qint64 m_timeout;
};
#endif
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