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125 lines
2.6 KiB
125 lines
2.6 KiB
//===========================================================================
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//
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// This file is part of the KDE project
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//
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// Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
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//
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#ifndef __LOCKENG_H__
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#define __LOCKENG_H__
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#include <tqwidget.h>
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#include <kprocess.h>
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#include <tqvaluevector.h>
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#include "KScreensaverIface.h"
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#include "xautolock.h"
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#include "xautolock_c.h"
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class DCOPClientTransaction;
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//===========================================================================
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/**
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* Screen saver engine. Handles screensaver window, starting screensaver
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* hacks, and password entry.
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*/
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class SaverEngine
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: public TQWidget,
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public KScreensaverIface
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{
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Q_OBJECT
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public:
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SaverEngine();
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~SaverEngine();
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/**
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* Lock the screen
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*/
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virtual void lock();
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/**
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* Save the screen
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*/
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virtual void save();
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/**
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* Quit the screensaver if running
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*/
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virtual void quit();
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/**
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* return true if the screensaver is enabled
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*/
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virtual bool isEnabled();
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/**
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* enable/disable the screensaver
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*/
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virtual bool enable( bool e );
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/**
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* return true if the screen is currently blanked
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*/
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virtual bool isBlanked();
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/**
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* Read and apply configuration.
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*/
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virtual void configure();
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/**
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* Enable or disable "blank only" mode. This is useful for
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* laptops where one might not want a cpu thirsty screensaver
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* draining the battery.
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*/
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virtual void setBlankOnly( bool blankOnly );
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/**
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* Called by kdesktop_lock when locking is in effect.
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*/
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virtual void saverLockReady();
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public slots:
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void lockProcessWaiting();
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protected slots:
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void idleTimeout();
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void lockProcessExited();
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private slots:
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void handleSecureDialog();
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void slotSAKProcessExited();
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protected:
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enum LockType { DontLock, DefaultLock, ForceLock, SecureDialog };
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bool startLockProcess( LockType lock_type );
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void stopLockProcess();
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bool handleKeyPress(XKeyEvent *xke);
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void processLockTransactions();
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xautolock_corner_t applyManualSettings(int);
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protected:
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enum State { Waiting, Preparing, Saving };
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bool mEnabled;
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State mState;
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XAutoLock *mXAutoLock;
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KProcess mLockProcess;
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int mTimeout;
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// the original X screensaver parameters
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int mXTimeout;
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int mXInterval;
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int mXBlanking;
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int mXExposures;
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bool mBlankOnly; // only use the blanker, not the defined saver
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TQValueVector< DCOPClientTransaction* > mLockTransactions;
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private:
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KProcess* mSAKProcess;
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bool mTerminationRequested;
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};
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#endif
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