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/*
    This file is part of the KDE games library
    Copyright (C) 2001 Andreas Beckermann (b_mann@gmx.de)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef __KCHAT_H__
#define __KCHAT_H__

#include "kchatbase.h"
#include <libkdegames_export.h>

class KChatPrivate;

/**
 * \class KChat kchat.h <KChat>
 * 
 * @short A chat widget for non-KGame games
 *
 * Docu is TODO
 *
 * @author Andreas Beckermann <b_mann@gmx.de>
 **/
class KDEGAMES_EXPORT KChat : public KChatBase
{
	Q_OBJECT
public:
	/**
	 * @param parent The parent widget for this widget.
	 * @param twoPlayerGame If true the combo box where the player can
	 * choose to send to a single player or to all players will not be added
	 * as you will hardly need it in 2-player games.
	 **/
	explicit KChat(QWidget* parent, bool twoPlayerGame = false);

        KChat(QWidget* parent, KChatBaseModel* model=0, 
                           KChatBaseItemDelegate* delegate=0,
                           bool noComboBox = false);

	virtual ~KChat();

	/**
	 * Equivalent to player(fromId())
	 * @return The name that will be shown for messages from this widget.
	 * That is the string from @ref setFromNickname
	 **/
	virtual QString fromName() const;

	/**
	 * This sets the name that will be shown on all chat widgets if this
	 * widget sends a message. See signalSendMessage
	 * @param name The name of the player owning this widget
	 **/
	void setFromNickname(const QString& name);

//	TODO:
//	void setPlayerList(QIntDict<QString>);// use this for non-KGame use

	/**
	 * Adds a player nickname.
	 * @return The unique ID of the player
	 **/
	int addPlayer(const QString& nick);

	/**
	 * Removes all players with this nickname. Better don't use this as it
	 * will remove *all* players with this nickname. Save the id instead and
	 * call removePlayer(id)
	 * @param nick The nickname of the removed players
	 **/
	void removePlayer(const QString& nick);

	/**
	 * Removes the player with this id, as returned by @ref addPlayer
	 * @param id The id of the player to be removed
	 **/
	void removePlayer(int id);


	/**
	 * @return true if the messages which will be sent from here will be
	 * added automatically using @ref KChatBase::addMessage. See also @ref
	 * setAutoAddMessages
	 **/
	bool autoAddMessages() const;

	/**
	 * Usually the messages which will be sent from here (see @ref
	 * signalSendMessage) are added autmatically to this widget. But under
	 * some circumstances that would be very unhandy. So you can deactivate
	 * this behaviour here and call @ref KChatBase::addMessage yourself
	 * @param add If true (default) messages sent from here will be added
	 * automatically. Otherwise you will have to add them yourself
	 **/
	void setAutoAddMessages(bool add);

	/**
	 * @return The nickname of the player which belongs to this id
	 **/
	QString player(int id) const;

	/**
	 * @return The ID that belongs to the local player. 
	 * @see setFromNickname
	 **/
	int fromId() const;
	

Q_SIGNALS:
	/**
	 * This signal is emitted when the player wants to send a message.
	 *
	 * The message is added automatically using @ref KChatBase::addMessage if @ref
	 * autoAddMessages is enabled.
	 * @param id The id of the player who sends the message - see
	 * setFromNickname and player
	 * @param msg The message itself
	 **/
	void signalSendMessage(int id, const QString& msg);
	
protected:
	/**
	 * This emits @ref signalSendMessage and, if @ref autoAddMessages is
	 * true, calls @ref KChatBase::addMessage
	 **/
	virtual void returnPressed(const QString&);

	/**
	 * The Id of the next player. Incremented after every call.
	 **/
	int uniqueId();

private:
	void init();

	KChatPrivate* const d;
};

#endif