Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 113 insertions, 0 deletions

diff --git a/kdesktop/lockeng.h b/kdesktop/lockeng.h
new file mode 100644
index 000000000..0eb67f9d6
--- /dev/null
+++ b/kdesktop/lockeng.h
@@ -0,0 +1,113 @@
+//===========================================================================
+//
+// This file is part of the KDE project
+//
+// Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
+//
+
+#ifndef __LOCKENG_H__
+#define __LOCKENG_H__
+
+#include <qwidget.h>
+#include <kprocess.h>
+#include <qvaluevector.h>
+#include "KScreensaverIface.h"
+#include "xautolock.h"
+#include "xautolock_c.h"
+
+class DCOPClientTransaction;
+
+//===========================================================================
+/**
+ * Screen saver engine.  Handles screensaver window, starting screensaver
+ * hacks, and password entry.
+ */
+class SaverEngine
+    : public QWidget,
+      virtual public KScreensaverIface
+{
+    Q_OBJECT
+public:
+    SaverEngine();
+    ~SaverEngine();
+
+    /**
+     * Lock the screen
+     */
+    virtual void lock();
+
+    /**
+     * Save the screen
+     */
+    virtual void save();
+
+    /**
+     * Quit the screensaver if running
+     */
+    virtual void quit();
+
+    /**
+     * return true if the screensaver is enabled
+     */
+    virtual bool isEnabled();
+
+    /**
+     * enable/disable the screensaver
+     */
+    virtual bool enable( bool e );
+
+    /**
+     * return true if the screen is currently blanked
+     */
+    virtual bool isBlanked();
+
+    /**
+     * Read and apply configuration.
+     */
+    virtual void configure();
+
+    /**
+     * Enable or disable "blank only" mode.  This is useful for
+     * laptops where one might not want a cpu thirsty screensaver
+     * draining the battery.
+     */
+    virtual void setBlankOnly( bool blankOnly );
+
+    /**
+     * Called by kdesktop_lock when locking is in effect.
+     */
+    virtual void saverLockReady();
+
+protected slots:
+    void idleTimeout();
+    void lockProcessExited();
+
+protected:
+    enum LockType { DontLock, DefaultLock, ForceLock };
+    bool startLockProcess( LockType lock_type );
+    void stopLockProcess();
+    bool handleKeyPress(XKeyEvent *xke);
+    void processLockTransactions();
+    xautolock_corner_t applyManualSettings(int);
+
+protected:
+    enum State { Waiting, Preparing, Saving };
+    bool        mEnabled;
+
+    State       mState;
+    XAutoLock   *mXAutoLock;
+    KProcess    mLockProcess;
+    int		mTimeout;
+
+    // the original X screensaver parameters
+    int         mXTimeout;
+    int         mXInterval;
+    int         mXBlanking;
+    int         mXExposures;
+
+    bool	mBlankOnly;  // only use the blanker, not the defined saver
+    QValueVector< DCOPClientTransaction* > mLockTransactions;
+};
+
+#endif
+