thanks go to the programming god to point some bool alg stuff to me .-)

1 files changed, 6 insertions, 6 deletions

diff --git a/core/launcher/desktop.cpp b/core/launcher/desktop.cpp
index c4c6050..986ae5d 100644
--- a/core/launcher/desktop.cpp
+++ b/core/launcher/desktop.cpp
@@ -1,1162 +1,1162 @@
 /**********************************************************************
 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
 #include "desktop.h"
 #include "info.h"
 #include "launcher.h"
 #include "qcopbridge.h"
 #include "shutdownimpl.h"
 #include "startmenu.h"
 #include "taskbar.h"
 #include "transferserver.h"
 #include "irserver.h"
 #include "packageslave.h"
 
 #include <qpe/applnk.h>
 #include <qpe/mimetype.h>
 #include <qpe/password.h>
 #include <qpe/config.h>
 #include <qpe/power.h>
 #include <qpe/timeconversion.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <qpe/network.h>
 #include <qpe/global.h>
 
 #if defined( QT_QWS_CUSTOM ) || defined( QT_QWS_IPAQ )
 #include <qpe/custom.h>
 #endif
 
 #include <opie/odevice.h>
 
 #include <qgfx_qws.h>
 #include <qmainwindow.h>
 #include <qmessagebox.h>
 #include <qtimer.h>
 #include <qwindowsystem_qws.h>
 
 #include <qvaluelist.h>
 
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
 
 using namespace Opie;
 
 class QCopKeyRegister
 {
 public:
   QCopKeyRegister() : keyCode( 0 )
   { }
   QCopKeyRegister( int k, const QString &c, const QString &m )
       : keyCode( k ), channel( c ), message( m )
   { }
 
   int getKeyCode() const
   {
     return keyCode;
   }
   QString getChannel() const
   {
     return channel;
   }
   QString getMessage() const
   {
     return message;
   }
 
 private:
   int keyCode;
   QString channel, message;
 };
 
 typedef QValueList<QCopKeyRegister> KeyRegisterList;
 KeyRegisterList keyRegisterList;
 
 static Desktop* qpedesktop = 0;
 static int loggedin = 0;
 static void login( bool at_poweron )
 {
   if ( !loggedin ) {
     Global::terminateBuiltin( "calibrate" );
     Password::authenticate( at_poweron );
     loggedin = 1;
     QCopEnvelope e( "QPE/Desktop", "unlocked()" );
   }
 }
 
 bool Desktop::screenLocked()
 {
   return loggedin == 0;
 }
 
 /*
   Priority is number of alerts that are needed to pop up
   alert.
  */
 class DesktopPowerAlerter : public QMessageBox
 {
 public:
   DesktopPowerAlerter( QWidget *parent, const char *name = 0 )
       : QMessageBox( tr( "Battery Status" ), "Low Battery",
                      QMessageBox::Critical,
                      QMessageBox::Ok | QMessageBox::Default,
                      QMessageBox::NoButton, QMessageBox::NoButton,
                      parent, name, FALSE )
   {
     currentPriority = INT_MAX;
     alertCount = 0;
   }
 
   void alert( const QString &text, int priority );
   void hideEvent( QHideEvent * );
 private:
   int currentPriority;
   int alertCount;
 };
 
 void DesktopPowerAlerter::alert( const QString &text, int priority )
 {
   alertCount++;
   if ( alertCount < priority )
     return ;
   if ( priority > currentPriority )
     return ;
   currentPriority = priority;
   setText( text );
   show();
 }
 
 
 void DesktopPowerAlerter::hideEvent( QHideEvent *e )
 {
   QMessageBox::hideEvent( e );
   alertCount = 0;
   currentPriority = INT_MAX;
 }
 
 class QPEScreenSaver : public QWSScreenSaver
 {
 private:
   int LcdOn;
 
 public:
   QPEScreenSaver()
   {
     m_disable_suspend = 100;
     m_enable_dim = false;
     m_enable_lightoff = false;
     m_enable_onlylcdoff = false;
 
     m_disable_suspend_ac = 100;
     m_enable_dim_ac = false;
     m_enable_lightoff_ac = false;
     m_enable_onlylcdoff_ac = false;
     m_disable_apm_ac = false;
 
     m_lcd_status = true;
 
     m_backlight_normal = -1;
     m_backlight_current = -1;
     m_backlight_forcedoff = false;
 
     // Make sure the LCD is in fact on, (if opie was killed while the LCD is off it would still be off)
     ODevice::inst ( )-> setDisplayStatus ( true );
     setBacklight ( -1 );
   }
   void restore()
   {
     if ( !m_lcd_status ) {    // We must have turned it off
       ODevice::inst ( ) -> setDisplayStatus ( true );
       m_lcd_status = true;
     }
 
     setBacklightInternal ( -1 );
   }
   bool save( int level )
   {
       bool onAC = ( PowerStatusManager::readStatus().acStatus() == PowerStatus::Online );
 
       switch ( level ) {
       case 0:
 
           if ( m_disable_suspend_ac > 0 && m_enable_dim_ac && onAC ) {
               if ( m_backlight_current > 1 )
                   setBacklight( 1 ); // lowest non-off
-          } else  if ( m_disable_suspend > 0 && m_enable_dim ) {
+          } else  if ( !onAC && m_disable_suspend > 0 && m_enable_dim ) {
               if ( m_backlight_current > 1 )
                   setBacklightInternal( 1 ); // lowest non-off
           }
           return true;
           break;
       case 1:
 
           if ( m_disable_suspend_ac > 1 && m_enable_lightoff_ac && onAC ) {
               setBacklightInternal( 0 ); // off
-          } else if ( m_disable_suspend > 1 && m_enable_lightoff ) {
+          } else if ( !onAC && m_disable_suspend > 1 && m_enable_lightoff ) {
               setBacklightInternal( 0 ); // off
           }
           return true;
           break;
       case 2:
           if ( m_disable_apm_ac && onAC ) {
               return true;
           }
 
           if ( m_enable_onlylcdoff_ac && onAC ) {
               ODevice::inst ( ) -> setDisplayStatus ( false );
               m_lcd_status = false;
               return true;
           }
-          else if ( m_enable_onlylcdoff ) {
+          else if ( !onAC && m_enable_onlylcdoff ) {
               ODevice::inst ( ) -> setDisplayStatus ( false );
               m_lcd_status = false;
               return true;
           }
           else // We're going to suspend the whole machine
           {
               if ( ( m_disable_suspend_ac > 2 && onAC ) && ( !Network::networkOnline ( ) ) ) {
                   QWSServer::sendKeyEvent( 0xffff, Qt::Key_F34, FALSE, TRUE, FALSE );
                   return true;
               }
-              if ( ( m_disable_suspend > 2 ) && ( !Network::networkOnline ( ) ) ) {
+              if ( !onAC && ( m_disable_suspend > 2 ) && ( !Network::networkOnline ( ) ) ) {
                   QWSServer::sendKeyEvent( 0xffff, Qt::Key_F34, FALSE, TRUE, FALSE );
                   return true;
               }
           }
           break;
       }
       return false;
   }
 
 private:
   static int ssi( int interval, Config & config, const QString & enable, const QString & value, int def )
   {
     if ( !enable.isEmpty() && config.readNumEntry( enable, 0 ) == 0 )
       return 0;
 
     if ( interval < 0 ) {
       // Restore screen blanking and power saving state
       interval = config.readNumEntry( value, def );
     }
     return interval;
   }
 
 public:
   void setIntervals( int i1, int i2, int i3 )
   {
     Config config( "qpe" );
     config.setGroup( "Screensaver" );
 
     int v[ 4 ];
     i1 = ssi( i1, config, "Dim", "Interval_Dim", 30 );
     i2 = ssi( i2, config, "LightOff", "Interval_LightOff", 20 );
     i3 = ssi( i3, config, "", "Interval", 60 );
 
     //qDebug("screen saver intervals: %d %d %d", i1, i2, i3);
 
     v [ 0 ] = QMAX( 1000 * i1, 100 );
     v [ 1 ] = QMAX( 1000 * i2, 100 );
     v [ 2 ] = QMAX( 1000 * i3, 100 );
     v [ 3 ] = 0;
     m_enable_dim = ( ( i1 != 0 ) ? config. readNumEntry ( "Dim", 1 ) : false );
     m_enable_lightoff = ( ( i2 != 0 ) ? config. readNumEntry ( "LightOff", 1 ) : false );
     m_enable_onlylcdoff = config.readNumEntry ( "LcdOffOnly", 0 );
 
     if ( !i1 && !i2 && !i3 )
       QWSServer::setScreenSaverInterval( 0 );
     else
       QWSServer::setScreenSaverIntervals( v );
   }
 
     void setIntervalsAC( int i1, int i2, int i3 )
   {
     Config config( "qpe" );
     config.setGroup( "Screensaver" );
 
     int v[ 4 ];
     i1 = ssi( i1, config, "DimAC", "Interval_DimAC", 30 );
     i2 = ssi( i2, config, "LightOffAC", "Interval_LightOffAC", 20 );
     i3 = ssi( i3, config, "", "IntervalAC", 60 );
 
     //qDebug("screen saver intervals: %d %d %d", i1, i2, i3);
 
     v [ 0 ] = QMAX( 1000 * i1, 100 );
     v [ 1 ] = QMAX( 1000 * i2, 100 );
     v [ 2 ] = QMAX( 1000 * i3, 100 );
     v [ 3 ] = 0;
     m_enable_dim_ac = ( ( i1 != 0 ) ? config.readNumEntry ( "DimAC", 1 ) : false );
     m_enable_lightoff_ac = ( ( i2 != 0 ) ? config.readNumEntry ( "LightOffAC", 1 ) : false );
     m_enable_onlylcdoff_ac = config.readNumEntry ( "LcdOffOnlyAC", 0 );
     m_disable_apm_ac =  config.readNumEntry ( "NoApmAC", 0 );
 
     if ( !i1 && !i2 && !i3 )
       QWSServer::setScreenSaverInterval( 0 );
     else
       QWSServer::setScreenSaverIntervals( v );
   }
 
   void setInterval ( int interval )
   {
     setIntervals ( -1, -1, interval );
   }
 
   void setMode ( int mode )
   {
     if ( mode > m_disable_suspend )
       setInterval( -1 );
     m_disable_suspend = mode;
   }
 
   void setBacklight ( int bright )
   {
     // Read from config
     Config config ( "qpe" );
     config. setGroup ( "Screensaver" );
     m_backlight_normal = config. readNumEntry ( "Brightness", 255 );
 
 	setBacklightInternal ( bright );
   }
 
 private:
   void setBacklightInternal ( int bright )
   {
     if ( bright == -3 ) {
       // Forced on
       m_backlight_forcedoff = false;
       bright = -1;
     }
     if ( m_backlight_forcedoff && bright != -2 )
       return ;
     if ( bright == -2 ) {
       // Toggle between off and on
       bright = m_backlight_current ? 0 : -1;
       m_backlight_forcedoff = !bright;
     }
 	if ( bright == -1 )
 		bright = m_backlight_normal;
 
 	if ( bright != m_backlight_current ) {
       ODevice::inst ( )-> setDisplayBrightness ( bright );
       m_backlight_current = bright;
     }
   }
 
 public:
   void setDisplayState ( bool on )
   {
     if ( m_lcd_status != on ) {
       ODevice::inst ( ) -> setDisplayStatus ( on );
       m_lcd_status = on;
     }
   }
 
 private:
   int m_disable_suspend;
   bool m_enable_dim;
   bool m_enable_lightoff;
   bool m_enable_onlylcdoff;
 
   int m_disable_suspend_ac;
   bool m_enable_dim_ac;
   bool m_enable_lightoff_ac;
   bool m_enable_onlylcdoff_ac;
   bool m_disable_apm_ac;
 
   bool m_lcd_status;
 
   int m_backlight_normal;
   int m_backlight_current;
   bool m_backlight_forcedoff;
 };
 
 void DesktopApplication::switchLCD ( bool on )
 {
   if ( qApp ) {
     DesktopApplication *dapp = (DesktopApplication *) qApp;
 
     if ( dapp-> m_screensaver ) {
       if ( on ) {
         dapp-> m_screensaver-> setDisplayState ( true );
         dapp-> m_screensaver-> setBacklight ( -3 );
       }
       else {
         dapp-> m_screensaver-> setDisplayState ( false );
       }
     }
   }
 }
 
 
 DesktopApplication::DesktopApplication( int& argc, char **argv, Type appType )
     : QPEApplication( argc, argv, appType )
 {
 
   m_timer = new QTimer( this );
   connect( m_timer, SIGNAL( timeout() ), this, SLOT( apmTimeout() ) );
   Config cfg( "apm" );
   cfg.setGroup( "Warnings" );
   m_timer->start( 5000 );
   //cfg.readNumEntry( "checkinterval", 10000 )
   m_powerVeryLow = cfg.readNumEntry( "powerverylow", 10 );
   m_powerCritical = cfg.readNumEntry( "powercritical", 5 );
   ps = new PowerStatus;
   pa = new DesktopPowerAlerter( 0 );
 
   channel = new QCopChannel( "QPE/Desktop", this );
   connect( channel, SIGNAL( received( const QCString&, const QByteArray& ) ),
            this, SLOT( desktopMessage( const QCString&, const QByteArray& ) ) );
 
   channel = new QCopChannel( "QPE/System", this );
   connect( channel, SIGNAL( received( const QCString&, const QByteArray& ) ),
            this, SLOT( systemMessage( const QCString&, const QByteArray& ) ) );
 
   m_screensaver = new QPEScreenSaver;
 
   m_screensaver-> setInterval ( -1 );
   QWSServer::setScreenSaver( m_screensaver );
 }
 
 
 DesktopApplication::~DesktopApplication()
 {
   delete ps;
   delete pa;
 }
 
 void DesktopApplication::desktopMessage( const QCString &msg, const QByteArray &data )
 {
   QDataStream stream( data, IO_ReadOnly );
   if ( msg == "keyRegister(int key, QString channel, QString message)" ) {
     int k;
     QString c, m;
     stream >> k;
     stream >> c;
     stream >> m;
 
     qWarning( "KeyRegisterReceived: %i, %s, %s", k, ( const char* ) c, ( const char * ) m );
     keyRegisterList.append( QCopKeyRegister( k, c, m ) );
   }
 }
 
 
 void DesktopApplication::systemMessage( const QCString & msg, const QByteArray & data )
 {
   QDataStream stream ( data, IO_ReadOnly );
 
   if ( msg == "setScreenSaverInterval(int)" ) {
     int time;
     stream >> time;
     m_screensaver-> setInterval( time );
   }
   else if ( msg == "setScreenSaverIntervals(int,int,int)" ) {
     int t1, t2, t3;
     stream >> t1 >> t2 >> t3;
     m_screensaver-> setIntervals( t1, t2, t3 );
   }
   else if ( msg == "setScreenSaverIntervalsAC(int,int,int)" ) {
       int t1, t2, t3;
       stream >> t1 >> t2 >> t3;
       m_screensaver-> setIntervalsAC( t1, t2, t3 );
   }
   else if ( msg == "setBacklight(int)" ) {
     int bright;
     stream >> bright;
     m_screensaver-> setBacklight( bright );
   }
   else if ( msg == "setScreenSaverMode(int)" ) {
     int mode;
     stream >> mode;
     m_screensaver-> setMode ( mode );
   }
   else if ( msg == "reloadPowerWarnSettings()" ) {
       reloadPowerWarnSettings();
   }
   else if ( msg == "setDisplayState(int)" ) {
     int state;
     stream >> state;
     m_screensaver-> setDisplayState ( state != 0 );
   }
   else if ( msg == "suspend()" ) {
     emit power();
   }
 }
 
 void DesktopApplication::reloadPowerWarnSettings() {
     Config cfg( "apm" );
     cfg.setGroup( "Warnings" );
 
     //  m_timer->changeInterval( cfg.readNumEntry( "checkinterval", 10000 ) );
     m_powerVeryLow = cfg.readNumEntry( "powerverylow", 10 );
     m_powerCritical = cfg.readNumEntry( "powervcritical", 5 );
 }
 
 
 enum MemState { Unknown, VeryLow, Low, Normal } memstate = Unknown;
 
 #ifdef Q_WS_QWS
 bool DesktopApplication::qwsEventFilter( QWSEvent *e )
 {
   qpedesktop->checkMemory();
 
   if ( e->type == QWSEvent::Key ) {
     QWSKeyEvent * ke = ( QWSKeyEvent * ) e;
     if ( !loggedin && ke->simpleData.keycode != Key_F34 )
       return TRUE;
     bool press = ke->simpleData.is_press;
     bool autoRepeat = ke->simpleData.is_auto_repeat;
 
     /*
       app that registers key/message to be sent back to the app, when it doesn't have focus,
       when user presses key, unless keyboard has been requested from app.
       will not send multiple repeats if user holds key
       i.e. one shot
      */
     if ( !keyRegisterList.isEmpty() &&  ke->simpleData.keycode !=0 && press) {
 //        qDebug("<<<<<<<<<<<<<keycode %d", ke->simpleData.keycode);
       KeyRegisterList::Iterator it;
       for ( it = keyRegisterList.begin(); it != keyRegisterList.end(); ++it ) {
         if ( ( *it ).getKeyCode() == ke->simpleData.keycode && !autoRepeat && !keyboardGrabbed() ) {
           if ( press )
             qDebug( "press" );
           else
             qDebug( "release" );
           QCopEnvelope( ( *it ).getChannel().utf8(), ( *it ).getMessage().utf8() );
         }
       }
     }
 
     if ( !keyboardGrabbed() ) {
       if ( ke->simpleData.keycode == Key_F9 ) {
         if ( press )
           emit datebook();
         return TRUE;
       }
       if ( ke->simpleData.keycode == Key_F10 ) {
         if ( !press && cardSendTimer ) {
           emit contacts();
           delete cardSendTimer;
         }
         else if ( press ) {
           cardSendTimer = new QTimer();
           cardSendTimer->start( 2000, TRUE );
           connect( cardSendTimer, SIGNAL( timeout() ), this, SLOT( sendCard() ) );
         }
         return TRUE;
       }
 
 //         if ( ke->simpleData.keycode == Key_F11 ) {
 //         if ( press ) emit menu();
 //         return TRUE;
 //         }
 
       if ( ke->simpleData.keycode == Key_F12 ) {
         while ( activePopupWidget() )
           activePopupWidget() ->close();
         if ( press )
           emit launch();
         return TRUE;
       }
       if ( ke->simpleData.keycode == Key_F13 ) {
         if ( press )
           emit email();
         return TRUE;
       }
     }
 
     if ( ke->simpleData.keycode == Key_F34 ) {
       if ( press )
         emit power();
       return TRUE;
     }
     // This was used for the iPAQ PowerButton
     // See main.cpp for new KeyboardFilter
     //
     //    if ( ke->simpleData.keycode == Key_SysReq ) {
     //      if ( press ) emit power();
     //      return TRUE;
     //    }
     if ( ke->simpleData.keycode == Key_F35 ) {
       if ( press )
         emit backlight();
       return TRUE;
     }
     if ( ke->simpleData.keycode == Key_F32 ) {
       if ( press )
         QCopEnvelope e( "QPE/Desktop", "startSync()" );
       return TRUE;
     }
     if ( ke->simpleData.keycode == Key_F31 && !ke->simpleData.modifiers ) {
       if ( press )
         emit symbol();
       return TRUE;
     }
     if ( ke->simpleData.keycode == Key_NumLock ) {
       if ( press )
         emit numLockStateToggle();
     }
     if ( ke->simpleData.keycode == Key_CapsLock ) {
       if ( press )
         emit capsLockStateToggle();
     }
     if ( ( press && !autoRepeat ) || ( !press && autoRepeat ) )
       qpedesktop->keyClick();
   }
   else {
     if ( e->type == QWSEvent::Mouse ) {
       QWSMouseEvent * me = ( QWSMouseEvent * ) e;
       static bool up = TRUE;
       if ( me->simpleData.state & LeftButton ) {
         if ( up ) {
           up = FALSE;
           qpedesktop->screenClick();
         }
       }
       else {
         up = TRUE;
       }
     }
   }
 
   return QPEApplication::qwsEventFilter( e );
 }
 #endif
 
 void DesktopApplication::psTimeout( int batRemaining )
 {
   *ps = PowerStatusManager::readStatus();
 
   // maybe now since its triggered by apm change there might be to few warnings
   // if ( ( ps->batteryStatus() == PowerStatus::VeryLow ) ) {
   if ( ( batRemaining == m_powerVeryLow ) ) {
-       pa->alert( tr( "Battery is running very low." ), 6 );
+       pa->alert( tr( "Battery is running very low." ), 2 );
   }
 
    // if ( ps->batteryStatus() == PowerStatus::Critical ) {
    if ( batRemaining == m_powerCritical ) {
        pa->alert( tr( "Battery level is critical!\n"
                       "Keep power off until power restored!" ), 1 );
   }
 
   if ( ps->backupBatteryStatus() == PowerStatus::VeryLow ) {
-    pa->alert( tr( "The Back-up battery is very low.\nPlease charge the back-up battery." ), 3 );
+    pa->alert( tr( "The Back-up battery is very low.\nPlease charge the back-up battery." ), 2 );
   }
 }
 
 void DesktopApplication::apmTimeout()
 {
     qpedesktop->checkMemory(); // in case no events are being generated
 
     *ps = PowerStatusManager::readStatus();
 
     if ( m_currentPowerLevel != ps->batteryPercentRemaining() ) {
         // not very nice, since psTimeout parses the again
         m_currentPowerLevel = ps->batteryPercentRemaining();
         psTimeout( m_currentPowerLevel );
     }
 }
 
 void DesktopApplication::sendCard()
 {
   delete cardSendTimer;
   cardSendTimer = 0;
   QString card = getenv( "HOME" );
   card += "/Applications/addressbook/businesscard.vcf";
 
   if ( QFile::exists( card ) ) {
     QCopEnvelope e( "QPE/Obex", "send(QString,QString,QString)" );
     QString mimetype = "text/x-vCard";
     e << tr( "business card" ) << card << mimetype;
   }
 }
 
 #if defined(QPE_HAVE_MEMALERTER)
 QPE_MEMALERTER_IMPL
 #endif
 
 //===========================================================================
 
 Desktop::Desktop() :
     QWidget( 0, 0, WStyle_Tool | WStyle_Customize ),
     qcopBridge( 0 ),
     transferServer( 0 ),
     packageSlave( 0 )
 {
   qpedesktop = this;
 
   //    bg = new Info( this );
   tb = new TaskBar;
 
   launcher = new Launcher( 0, 0, WStyle_Customize | QWidget::WGroupLeader );
 
   connect( launcher, SIGNAL( busy() ), tb, SLOT( startWait() ) );
   connect( launcher, SIGNAL( notBusy( const QString& ) ), tb, SLOT( stopWait( const QString& ) ) );
 
   int displayw = qApp->desktop() ->width();
   int displayh = qApp->desktop() ->height();
 
 
   QSize sz = tb->sizeHint();
 
   setGeometry( 0, displayh - sz.height(), displayw, sz.height() );
   tb->setGeometry( 0, displayh - sz.height(), displayw, sz.height() );
 
   tb->show();
   launcher->showMaximized();
   launcher->show();
   launcher->raise();
 #if defined(QPE_HAVE_MEMALERTER)
 
   initMemalerter();
 #endif
   // start services
   startTransferServer();
   ( void ) new IrServer( this );
   rereadVolumes();
 
   packageSlave = new PackageSlave( this );
   connect( qApp, SIGNAL( volumeChanged( bool ) ), this, SLOT( rereadVolumes() ) );
 
   qApp->installEventFilter( this );
 
   qApp-> setMainWidget ( launcher );
 }
 
 void Desktop::show()
 {
   login( TRUE );
   QWidget::show();
 }
 
 Desktop::~Desktop()
 {
   delete launcher;
   delete tb;
   delete qcopBridge;
   delete transferServer;
 }
 
 bool Desktop::recoverMemory()
 {
   return tb->recoverMemory();
 }
 
 void Desktop::checkMemory()
 {
 #if defined(QPE_HAVE_MEMALERTER)
   static bool ignoreNormal = FALSE;
   static bool existingMessage = FALSE;
 
   if ( existingMessage )
     return ; // don't show a second message while still on first
 
   existingMessage = TRUE;
   switch ( memstate ) {
     case Unknown:
       break;
     case Low:
       memstate = Unknown;
       if ( recoverMemory() )
         ignoreNormal = TRUE;
       else
         QMessageBox::warning( 0 , "Memory Status",
                               "The memory smacks of shortage. \n"
                               "Please save data. " );
       break;
     case Normal:
       memstate = Unknown;
       if ( ignoreNormal )
         ignoreNormal = FALSE;
 //       else
 //         QMessageBox::information ( 0 , "Memory Status",
 //                                    "There is enough memory again." );
       break;
     case VeryLow:
       memstate = Unknown;
       QMessageBox::critical( 0 , "Memory Status",
                              "The memory is very low. \n"
                              "Please end this application \n"
                              "immediately." );
       recoverMemory();
   }
   existingMessage = FALSE;
 #endif
 }
 
 static bool isVisibleWindow( int wid )
 {
 #ifdef QWS
   const QList<QWSWindow> &list = qwsServer->clientWindows();
   QWSWindow* w;
   for ( QListIterator<QWSWindow> it( list ); ( w = it.current() ); ++it ) {
     if ( w->winId() == wid )
       return !w->isFullyObscured();
   }
 #endif
   return FALSE;
 }
 
 static bool hasVisibleWindow( const QString& clientname )
 {
 #ifdef QWS
   const QList<QWSWindow> &list = qwsServer->clientWindows();
   QWSWindow* w;
   for ( QListIterator<QWSWindow> it( list ); ( w = it.current() ); ++it ) {
     if ( w->client() ->identity() == clientname && !w->isFullyObscured() )
       return TRUE;
   }
 #endif
   return FALSE;
 }
 
 void Desktop::raiseLauncher()
 {
   Config cfg( "qpe" ); //F12 'Home'
   cfg.setGroup( "AppsKey" );
   QString tempItem;
   tempItem = cfg.readEntry( "Middle", "Home" );
   if ( tempItem == "Home" || tempItem.isEmpty() ) {
     home ( );
   }
   else {
     QCopEnvelope e( "QPE/System", "execute(QString)" );
     e << tempItem;
   }
 }
 
 void Desktop::home ( )
 {
     if ( isVisibleWindow( launcher->winId() ) )
       launcher->nextView();
     else
       launcher->raise();
 }
 
 void Desktop::executeOrModify( const QString& appLnkFile )
 {
   AppLnk lnk( MimeType::appsFolderName() + "/" + appLnkFile );
   if ( lnk.isValid() ) {
     QCString app = lnk.exec().utf8();
     Global::terminateBuiltin( "calibrate" );
     if ( QCopChannel::isRegistered( "QPE/Application/" + app ) ) {
                     //  MRUList::addTask( &lnk );
       if ( hasVisibleWindow( app ) )
         QCopChannel::send( "QPE/Application/" + app, "nextView()" );
       else
         QCopChannel::send( "QPE/Application/" + app, "raise()" );
     }
     else {
       lnk.execute();
     }
   }
 }
 
 void Desktop::raiseDatebook()
 {
   Config cfg( "qpe" ); //F9 'Activity'
   cfg.setGroup( "AppsKey" );
   QString tempItem;
   tempItem = cfg.readEntry( "LeftEnd" , "Calendar" );
   if ( tempItem == "Calendar" || tempItem.isEmpty() ) {
     tempItem = "datebook";
   }
   QCopEnvelope e( "QPE/System", "execute(QString)" );
   e << tempItem;
 }
 
 void Desktop::raiseContacts()
 {
   Config cfg( "qpe" ); //F10, 'Contacts'
   cfg.setGroup( "AppsKey" );
   QString tempItem;
   tempItem = cfg.readEntry( "Left2nd", "Address Book" );
   if ( tempItem == "Address Book" || tempItem.isEmpty() ) {
     tempItem = "addressbook";
   }
   QCopEnvelope e( "QPE/System", "execute(QString)" );
   e << tempItem;
 }
 
 void Desktop::raiseMenu()
 {
   Config cfg( "qpe" ); //F11, 'Menu
   cfg.setGroup( "AppsKey" );
   QString tempItem;
   tempItem = cfg.readEntry( "Right2nd" , "Popup Menu" );
   if ( tempItem == "Popup Menu" || tempItem.isEmpty() ) {
     Global::terminateBuiltin( "calibrate" );
     tb->startMenu() ->launch();
   }
   else {
     QCopEnvelope e( "QPE/System", "execute(QString)" );
     e << tempItem;
   }
 }
 
 void Desktop::raiseEmail()
 {
   Config cfg( "qpe" ); //F13, 'Mail' // only in zaurus, on ipaq mail key is F11
   cfg.setGroup( "AppsKey" );
   QString tempItem;
   tempItem = cfg.readEntry( "RightEnd", "Mail" );
   if ( tempItem == "Mail" || tempItem == "qtmail" || tempItem.isEmpty() ) {
     tempItem = "mail";
   }
   QCopEnvelope e( "QPE/System", "execute(QString)" );
   e << tempItem;
 }
 
 // autoStarts apps on resume and start
 void Desktop::execAutoStart()
 {
   QString appName;
   int delay;
   QDateTime now = QDateTime::currentDateTime();
   Config cfg( "autostart" );
   cfg.setGroup( "AutoStart" );
   appName = cfg.readEntry( "Apps", "" );
   delay = ( cfg.readEntry( "Delay", "0" ) ).toInt();
   // If the time between suspend and resume was longer then the
   // value saved as delay, start the app
   if ( suspendTime.secsTo( now ) >= ( delay * 60 ) && !appName.isEmpty() ) {
     QCopEnvelope e( "QPE/System", "execute(QString)" );
     e << QString( appName );
   }
 }
 
 #if defined(QPE_HAVE_TOGGLELIGHT)
 #include <qpe/config.h>
 
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
 #include <linux/ioctl.h>
 #include <time.h>
 #endif
 
 
 void Desktop::togglePower()
 {
   static bool excllock = false;
 
   qDebug ( "togglePower (locked == %d)", excllock ? 1 : 0 );
 
   if ( excllock )
     return;
 
   excllock = true;
 
   bool wasloggedin = loggedin;
   loggedin = 0;
   suspendTime = QDateTime::currentDateTime();
 
 #ifdef QWS
   if ( Password::needToAuthenticate ( true ) && qt_screen ) {
     // Should use a big black window instead.
     // But this would not show up fast enough
     QGfx *g = qt_screen-> screenGfx ( );
     g-> fillRect ( 0, 0, qt_screen-> width ( ), qt_screen-> height ( ));
     delete g;
   }
 #endif
 
   ODevice::inst ( )-> suspend ( );
 
   DesktopApplication::switchLCD ( true ); // force LCD on without slow qcop call
   QWSServer::screenSaverActivate ( false );
 
   {
     QCopEnvelope( "QPE/Card", "mtabChanged()" ); // might have changed while asleep
   }
 
   if ( wasloggedin )
     login ( true );
 
   execAutoStart();
   //qcopBridge->closeOpenConnections();
 
   excllock = false;
 }
 
 void Desktop::toggleLight()
 {
   QCopEnvelope e( "QPE/System", "setBacklight(int)" );
   e << -2; // toggle
 }
 
 void Desktop::toggleSymbolInput()
 {
   tb->toggleSymbolInput();
 }
 
 void Desktop::toggleNumLockState()
 {
   tb->toggleNumLockState();
 }
 
 void Desktop::toggleCapsLockState()
 {
   tb->toggleCapsLockState();
 }
 
 void Desktop::styleChange( QStyle &s )
 {
   QWidget::styleChange( s );
   int displayw = qApp->desktop() ->width();
   int displayh = qApp->desktop() ->height();
 
   QSize sz = tb->sizeHint();
 
   tb->setGeometry( 0, displayh - sz.height(), displayw, sz.height() );
 }
 
 void DesktopApplication::shutdown()
 {
   if ( type() != GuiServer )
     return ;
   ShutdownImpl *sd = new ShutdownImpl( 0, 0, WDestructiveClose );
   connect( sd, SIGNAL( shutdown( ShutdownImpl::Type ) ),
            this, SLOT( shutdown( ShutdownImpl::Type ) ) );
   sd->showMaximized();
 }
 
 void DesktopApplication::shutdown( ShutdownImpl::Type t )
 {
   switch ( t ) {
     case ShutdownImpl::ShutdownSystem:
       execlp( "shutdown", "shutdown", "-h", "now", ( void* ) 0 );
       break;
     case ShutdownImpl::RebootSystem:
       execlp( "shutdown", "shutdown", "-r", "now", ( void* ) 0 );
       break;
     case ShutdownImpl::RestartDesktop:
       restart();
       break;
     case ShutdownImpl::TerminateDesktop:
       prepareForTermination( FALSE );
 
       // This is a workaround for a Qt bug
       // clipboard applet has to stop its poll timer, or Qt/E
       // will hang on quit() right before it emits aboutToQuit()
       emit aboutToQuit ( );
 
       quit();
       break;
   }
 }
 
 void DesktopApplication::restart()
 {
   prepareForTermination( TRUE );
 
 #ifdef Q_WS_QWS
 
   for ( int fd = 3; fd < 100; fd++ )
     close( fd );
 #if defined(QT_DEMO_SINGLE_FLOPPY)
 
   execl( "/sbin/init", "qpe", 0 );
 #elif defined(QT_QWS_CASSIOPEIA)
 
   execl( "/bin/sh", "sh", 0 );
 #else
 
   execl( ( qpeDir() + "/bin/qpe" ).latin1(), "qpe", 0 );
 #endif
 
   exit( 1 );
 #endif
 }
 
 void Desktop::startTransferServer()
 {
   // start qcop bridge server
   qcopBridge = new QCopBridge( 4243 );
   if ( !qcopBridge->ok() ) {
     delete qcopBridge;
     qcopBridge = 0;
   }
   // start transfer server
   transferServer = new TransferServer( 4242 );
   if ( !transferServer->ok() ) {
     delete transferServer;
     transferServer = 0;
   }
   if ( !transferServer || !qcopBridge )
     startTimer( 2000 );
 }
 
 void Desktop::timerEvent( QTimerEvent *e )
 {
   killTimer( e->timerId() );
   startTransferServer();
 }
 
 void Desktop::terminateServers()
 {
   delete transferServer;
   delete qcopBridge;
   transferServer = 0;
   qcopBridge = 0;
 }
 
 void Desktop::rereadVolumes()
 {
   Config cfg( "qpe" );
   cfg.setGroup( "Volume" );
   touchclick = cfg.readBoolEntry( "TouchSound" );
   keyclick = cfg.readBoolEntry( "KeySound" );
   alarmsound = cfg.readBoolEntry( "AlarmSound" );
 }
 
 void Desktop::keyClick()
 {
   if ( keyclick )
     ODevice::inst ( ) -> keySound ( );
 }
 
 void Desktop::screenClick()
 {
   if ( touchclick )
     ODevice::inst ( ) -> touchSound ( );
 }
 
 void Desktop::soundAlarm()
 {
   if ( qpedesktop-> alarmsound )
     ODevice::inst ( ) -> alarmSound ( );
 }
 
 bool Desktop::eventFilter( QObject *, QEvent *ev )
 {
     if ( ev->type() == QEvent::KeyPress ) {
         QKeyEvent *ke = (QKeyEvent *)ev;
         if ( ke->key() == Qt::Key_F11 ) { // menu key
             QWidget *active = qApp->activeWindow();
             if ( active && active->isPopup() ) {
                 active->close();
             }
             raiseMenu();
             return TRUE;
         }
     }
     return FALSE;
 }