workspace/krunner/screensaver/xautolock.h

   1 //===========================================================================
   2 //
   3 // This file is part of the KDE project
   4 //
   5 // Copyright 1999 Martin R. Jones <mjones@kde.org>
   6 //
   7
   8 #ifndef __XAUTOLOCK_H__
   9 #define __XAUTOLOCK_H__
  10
  11 #include <config-xautolock.h>
  12
  13 #include <QWidget>
  14
  15 #include <X11/Xlib.h>
  16 #ifdef HAVE_XSCREENSAVER
  17 # include <X11/extensions/scrnsaver.h>
  18 #endif
  19 #include <fixx11h.h>
  20
  21 //===========================================================================
  22 //
  23 // Detect user inactivity.
  24 // Named XAutoLock after the program that it is based on.
  25 //
  26 class XAutoLock : public QWidget
  27 {
  28     Q_OBJECT
  29 public:
  30     XAutoLock();
  31     ~XAutoLock();
  32
  33     //-----------------------------------------------------------------------
  34     //
  35     // The time in seconds of continuous inactivity.
  36     // Need to call start() again afterwards.
  37     //
  38     void setTimeout(int t);
  39
  40     void setDPMS(bool s);
  41
  42     //-----------------------------------------------------------------------
  43     //
  44     // Start watching Activity
  45     //
  46     void start();
  47
  48     //-----------------------------------------------------------------------
  49     //
  50     // Stop watching Activity
  51     //
  52     void stop();
  53
  54     //-----------------------------------------------------------------------
  55     //
  56     // Should be called only from a slot connected to the timeout() signal. Will
  57     // result in the timeout() signal being emitted again with a delay (i.e. postponed).
  58     //
  59     void postpone();
  60
  61     // internal
  62     void resetTrigger();
  63     // internal
  64     void setTrigger( int );
  65     // internal
  66     bool ignoreWindow( WId );
  67     // internal
  68     time_t idleTime();
  69
  70 Q_SIGNALS:
  71     void timeout();
  72
  73 protected:
  74     virtual void timerEvent(QTimerEvent *ev);
  75     virtual bool x11Event( XEvent* );
  76
  77 protected:
  78     int     mTimerId;
  79     int     mTimeout;
  80     time_t  mTrigger;
  81     bool    mActive;
  82     time_t  mLastReset;
  83     time_t  mElapsed;
  84     bool    mDPMS;
  85 #ifdef HAVE_XSCREENSAVER
  86     XScreenSaverInfo *mMitInfo;
  87     ulong   mLastIdle;
  88 #endif
  89 };
  90
  91 #endif