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/**************************************************************************
* Copyright (C) 2004-2006 by Danny Kukawka *
* <dkukawka@suse.de>, <danny.kukawka@web.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License *
* as published by the Free Software Foundation. *
* *
* 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 SCREEN_H
#define SCREEN_H
/* this is needed to avoid typedef clash with X11/Xmd.h (X11/Xproto.h)
*/
#ifndef QT_CLEAN_NAMESPACE
#define QT_CLEAN_NAMESPACE
#endif
// KDE Header
#include <dcopref.h>
#include <kprocess.h>
#include <klocale.h>
// QT Header
#include <qstring.h>
#include <qwidget.h>
//#include <qvector.h>
#include <qtimer.h>
#include <qevent.h>
// X11 Header
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
/*!
* \file screen.h
* \brief Headerfile for screen.cpp and the class \ref screen.
*/
/*!
* \class screen
* \brief class for all screensaver related funtionality
* \author Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
* \date 2004 - 2006
*/
class screen : public QWidget
{
Q_OBJECT
private:
//! reference to DCOP
/*!
* This is the DCOP-reference to the KScreensaverIface. We use this to send
* commandos to the active KScreensaver.
*/
DCOPRef screen_save_dcop_ref;
//! KProcess to start xlock to lock the screen
KProcess *xlock;
//! KProcess to start xscreensaver with lock command
KProcess *xscreensaver_lock;
//! KProcess to start xscreensaver with restart command
KProcess *xscreensaver_reset;
//! KProcess to start gnome-screen-saver with lock command
KProcess *gnomescreensaver_lock;
//! KProcess to check if gnome-screensaver is running
KProcess *gnomeScreensaverCheck;
//! contains information about Xscreensaver
/*!
* This boolean represent information if Xscreensaver is active in X.
* \li true: if there is a Xscreensaver
* \li false: if there isn't a Xscreensaver
*/
bool got_XScreensaver;
//! cointains status information about the screensaver
/*!
* The value of this integer represent statusinformation about the
* screensaver (Xscreensaver and KScreensaver):
* \li (value == 0) if KScreensaver is disabled
* \li (value == 1) if KScreensaver is activated
* \li (value == 10) if Xscreensaver is not found or not running
* \li (value == 11) if Xscreensaver is activated
* \li (value == 20) if gnome-screen-saver is available
* \li (value == -1) else
*/
int SCREENSAVER_STATUS;
//! QTimer - interval
/*! This is the interval to poll the Xscreensaver. The value is 58 sec */
static const int xScreenSaver_timer_interval = 58000;
//! QTimer to check/ping the Xscreensaver
/*! This is the QTimer to ping the Xscreensaver. The ping-interval is defined
* through \ref xScreenSaver_timer_interval . */
QTimer *check_xscreensaver_timer;
//! the active X-Display
/*! Here we store a pointer to the active X-Display of KDE or GNOME */
Display *mDisplay;
//! Xscreensaver windowsid
/*! The windowid of the active Xscreensaver. */
Window xs_windowid;
//! XEvent for the Xscreensaver
/*! This XEvent is used so send the commands to Xscreensaver. */
XEvent ev;
private slots:
//! to ping and deactivate the Xscreensaver
void xscreensaver_ping();
//! to get the return value of gnomescreensaver-command
void getGSExited(KProcess *);
void cleanProcess(KProcess *);
public slots:
//! to fake a keyevent for the login dialog after suspend with lock screen
void fakeShiftKeyEvent();
public:
//! to check if \ref check_xscreensaver_timer is active
/*!
* This boolean contains information about QTimer \ref check_xscreensaver_timer .
* \li true: if the QTtimer is running
* \li false: if the QTimer isn't active/ isn't in use
*/
bool check_xscreensaver_timer_runs;
//! info about DPMS on the machine
/*!
* This variable represent the DPMS status of the machine.
* \li true: if the machine is DPMSable
* \li false: if the machine isn't DPMSable or DPMS is basic deativated
*/
bool has_DPMS;
//! blank only the screen
void blankOnlyScreen( bool );
//! reset KDE screensaver settings
bool resetKDEScreensaver();
//! reset XScreensaver settings
bool resetXScreensaver();
//! force DPMS off for display
void forceDPMSOff();
//! lock the screen
bool lockScreen();
//! lock the screen with a give alias for the lock method
bool lockScreen( QString );
//! to set DPMS on/off
bool setDPMS( bool );
//! to set the DPMS Timeouts
bool setDPMSTimeouts( int, int, int );
//! to activate/disable the Screensaver
bool setScreenSaver( bool );
//! for check the status of the screensaver
int checkScreenSaverStatus();
//! for check the actual status of DPMS on the machine
int checkDPMSStatus();
//! default constructor
screen();
//! default destructor
virtual ~screen();
};
#endif
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