workspace/krunner/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 <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     // Need to call start() again afterwards.
  31     //
  32     void setTimeout(int t);
  33
  34     void setDPMS(bool s);
  35
  36     //-----------------------------------------------------------------------
  37     //
  38     // Start watching Activity
  39     //
  40     void start();
  41
  42     //-----------------------------------------------------------------------
  43     //
  44     // Stop watching Activity
  45     //
  46     void stop();
  47
  48     //-----------------------------------------------------------------------
  49     //
  50     // Should be called only from a slot connected to the timeout() signal. Will
  51     // result in the timeout() signal being emitted again with a delay (i.e. postponed).
  52     //
  53     void postpone();
  54
  55     // internal
  56     void resetTrigger();
  57     // internal
  58     void setTrigger( time_t );
  59     // internal
  60     bool ignoreWindow( WId );
  61     // internal
  62     time_t idleTime();
  63
  64 Q_SIGNALS:
  65     void timeout();
  66
  67 protected:
  68     virtual void timerEvent(QTimerEvent *ev);
  69     virtual bool x11Event( XEvent* );
  70
  71 protected:
  72     int     mTimerId;
  73     int     mTimeout;
  74     time_t  mTrigger;
  75     bool    mActive;
  76     time_t  mLastTimeout, mLastReset;
  77     bool    mDPMS;
  78 };
  79
  80 #endif