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tdelibs/tdeui/kauthicon.h

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/* This file is part of the KDE libraries
Copyright (c) 1999 Preston Brown <pbrown@kde.org>
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 _KAUTHICON_H
#define _KAUTHICON_H "$Id$"
#include <tqfileinfo.h>
#include <tqpixmap.h>
#include <tqstring.h>
#include <tqwidget.h>
#include <tdelibs_export.h>
class TQHBoxLayout;
class TQLabel;
class KAuthIconPrivate;
/**
* @short A base class for authorization icon widgets
*
* This is the base class from which different authorization icon widget
* which actually do something should be derived. You can use these
* widgets to show that the user has (or doesn't have) the ability to do
* something, and why that is.
*
* One of the most useful things you can do with this is connect
* authChanged(bool) to setEnabled(bool) for a widget to turn it on and
* off depending on the status of whatever it is you are monitoring.
*
* @see KRootPermsIcon, KWritePermsIcon
* @author Preston Brown <pbrown@kde.org>
*/
class TDEUI_EXPORT KAuthIcon : public TQWidget
{
TQ_OBJECT
public:
/**
* Constructor.
*/
KAuthIcon(TQWidget *parent = 0, const char *name = 0);
~KAuthIcon();
virtual TQSize sizeHint() const;
/**
* return the status of whatever is being monitored.
*/
virtual bool status() const = 0;
public slots:
/**
* Re-implement this method if you want the icon to update itself
* when something external has changed (i.e. a file on disk, uid/gid).
*/
virtual void updateStatus() = 0;
signals:
/**
* this signal is emitted when authorization has changed from
* its previous state.
* @param authorized will be true if the type of authorization
* described by the icon is true, otherwise it will be false.
*/
void authChanged(bool authorized);
protected:
TQHBoxLayout *layout;
TQLabel *lockBox;
TQLabel *lockLabel;
TQPixmap lockPM;
TQPixmap openLockPM;
TQString lockText;
TQString openLockText;
protected:
virtual void virtual_hook( int id, void* data );
private:
KAuthIconPrivate *d;
};
class KRootPermsIconPrivate;
/**
* Icon to show whether or not a user has root permissions.
*
* @see KAuthIcon
* @author Preston Brown <pbrown@kde.org>
*/
class TDEUI_EXPORT KRootPermsIcon : public KAuthIcon
{
TQ_OBJECT
public:
KRootPermsIcon(TQWidget *parent = 0, const char *name = 0);
~KRootPermsIcon();
/**
* return whether or not the current user has root permissions.
*/
bool status() const { return root; }
public slots:
void updateStatus();
protected:
bool root;
protected:
virtual void virtual_hook( int id, void* data );
private:
KRootPermsIconPrivate *d;
};
class KWritePermsIconPrivate;
/**
* Auth icon for write permission display.
*
* @see KAuthIcon
* @author Preston Brown <pbrown@kde.org>
*/
class TDEUI_EXPORT KWritePermsIcon : public KAuthIcon
{
TQ_OBJECT
TQ_PROPERTY( TQString fileName READ fileName WRITE setFileName )
public:
KWritePermsIcon(const TQString & fileName, TQWidget *parent = 0, const char *name = 0);
~KWritePermsIcon();
/**
* @return whether or not the monitored file is writable.
*/
bool status() const { return writable; }
/**
* make the icon watch a new filename.
* @param fileName the new file to monitor / display status for.
*/
void setFileName(const TQString & fileName) { fi.setFile(fileName); updateStatus(); }
/**
* return the filename of the currently watched file.
* @since 3.4
*/
TQString fileName() const { return fi.fileName(); }
public slots:
void updateStatus();
protected:
bool writable;
TQFileInfo fi;
protected:
virtual void virtual_hook( int id, void* data );
private:
KWritePermsIconPrivate *d;
};
#endif