lock/lockprocess.h

   1 //===========================================================================
   2 //
   3 // This file is part of the KDE project
   4 //
   5 // Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
   6 // Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org>
   7 //
   8
   9 #ifndef __LOCKENG_H__
  10 #define __LOCKENG_H__
  11
  12 #include <kgreeterplugin.h>
  13
  14 #include <k3process.h>
  15
  16 #include <QWidget>
  17 #include <QTimer>
  18 #include <QStack>
  19 #include <QList>
  20 #include <QMessageBox>
  21 #include <QPixmap>
  22
  23 #include <X11/Xlib.h>
  24 #include <fixx11h.h>
  25
  26 class KLibrary;
  27
  28 struct GreeterPluginHandle {
  29     KLibrary *library;
  30     kgreeterplugin_info *info;
  31 };
  32
  33 //===========================================================================
  34 //
  35 // Screen saver handling process.  Handles screensaver window,
  36 // starting screensaver hacks, and password entry.
  37 //
  38 class LockProcess
  39     : public QWidget
  40 {
  41     Q_OBJECT
  42 public:
  43     LockProcess(bool child_saver = false, bool useBlankOnly = false);
  44     ~LockProcess();
  45
  46     bool lock();
  47
  48     bool defaultSave();
  49
  50     bool dontLock();
  51
  52     void setChildren(QList<int> children) { child_sockets = children; }
  53     void setParent(int fd) { mParent = fd; }
  54
  55     void msgBox( QMessageBox::Icon type, const QString &txt );
  56     int execDialog( QDialog* dlg );
  57
  58 public Q_SLOTS:
  59     void quitSaver();
  60     void preparePopup();
  61     void cleanupPopup();
  62
  63 protected:
  64     virtual bool x11Event(XEvent *);
  65     virtual void timerEvent(QTimerEvent *);
  66
  67 private Q_SLOTS:
  68     void hackExited(K3Process *);
  69     void signalPipeSignal();
  70     bool startLock();
  71     void suspend();
  72     void checkDPMSActive();
  73     void slotDeadTimePassed();
  74
  75 private:
  76     void configure();
  77     void readSaver();
  78     void createSaverWindow();
  79     void hideSaverWindow();
  80     void saveVRoot();
  81     void setVRoot(Window win, Window rw);
  82     void removeVRoot(Window win);
  83     bool grabKeyboard();
  84     bool grabMouse();
  85     bool grabInput();
  86     void ungrabInput();
  87     void cantLock(const QString &reason);
  88     bool startSaver();
  89     void stopSaver();
  90     bool startHack();
  91     void stopHack();
  92     void setupSignals();
  93     bool checkPass();
  94     void stayOnTop();
  95     void lockXF86();
  96     void unlockXF86();
  97     void resume( bool force );
  98     static QVariant getConf(void *ctx, const char *key, const QVariant &dflt);
  99
 100     bool        mLocked;
 101     int         mLockGrace;
 102     int         mPriority;
 103     bool        mBusy;
 104     K3Process    mHackProc;
 105     int         mRootWidth;
 106     int         mRootHeight;
 107     QString     mSaverExec;
 108     QString     mSaver;
 109     bool        mOpenGLVisual;
 110     bool        child_saver;
 111     QList<int> child_sockets;
 112     int         mParent;
 113     bool        mUseBlankOnly;
 114     bool        mSuspended;
 115     QTimer      mSuspendTimer;
 116     bool        mVisibility;
 117     bool        mDPMSDepend;
 118     QTimer      mCheckDPMS;
 119     QStack< QWidget* > mDialogs;
 120     bool        mRestoreXF86Lock;
 121     bool        mForbidden;
 122     QStringList mPlugins, mPluginOptions;
 123     QString     mMethod;
 124     GreeterPluginHandle greetPlugin;
 125     QPixmap     mSavedScreen;
 126     int         mAutoLogoutTimerId;
 127     int         mAutoLogoutTimeout;
 128     bool        mAutoLogout;
 129 };
 130
 131 #endif
 132