xautolock.h

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