cleanup - odevice is now and for future the one and only friend class

5 files changed, 63 insertions, 56 deletions

diff --git a/libopie2/opiecore/device/odevice.cpp b/libopie2/opiecore/device/odevice.cpp
index 0068d88..cd3a84c 100644
--- a/libopie2/opiecore/device/odevice.cpp
+++ b/libopie2/opiecore/device/odevice.cpp
@@ -1,79 +1,80 @@
 /*
-                             This file is part of the Opie Project
-                             Copyright (C) The Opie Team <opie-devel@handhelds.org>
+                     This file is part of the Opie Project
+                      Copyright (C) The Opie Team <opie-devel@handhelds.org>
               =.
             .=l.
-           .>+-=
- _;:,     .>    :=|.         This program is free software; you can
-.> <`_,   >  .   <=          redistribute it and/or  modify it under
-:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
-.="- .-=="i,     .._         License as published by the Free Software
- - .   .-<_>     .<>         Foundation; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
-    .%`+i>       _;_.
-    .i_,=:_.      -<s.       This program is distributed in the hope that
-     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
-    : ..    .:,     . . .    without even the implied warranty of
-    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
-  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
-..}^=.=       =       ;      Library General Public License for more
-++=   -.     .`     .:       details.
- :     =  ...= . :.=-
- -.   .:....=;==+<;          You should have received a copy of the GNU
-  -_. . .   )=.  =           Library General Public License along with
-    --        :-=`           this library; see the file COPYING.LIB.
+     .>+-=
+_;:,   .>  :=|.         This program is free software; you can
+.> <`_,  > .  <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--  :           the terms of the GNU Library General Public
+.="- .-=="i,   .._         License as published by the Free Software
+- .  .-<_>   .<>         Foundation; either version 2 of the License,
+  ._= =}    :          or (at your option) any later version.
+  .%`+i>    _;_.
+  .i_,=:_.   -<s.       This program is distributed in the hope that
+  + . -:.    =       it will be useful,  but WITHOUT ANY WARRANTY;
+  : ..  .:,   . . .    without even the implied warranty of
+  =_    +   =;=|`    MERCHANTABILITY or FITNESS FOR A
+ _.=:.    :  :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=    =    ;      Library General Public License for more
+++=  -.   .`   .:       details.
+:   = ...= . :.=-
+-.  .:....=;==+<;          You should have received a copy of the GNU
+ -_. . .  )=. =           Library General Public License along with
+  --    :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #include "odevice_ipaq.h"
 #include "odevice_jornada.h"
 #include "odevice_ramses.h"
 #include "odevice_simpad.h"
 #include "odevice_yopy.h"
 #include "odevice_zaurus.h"
 
 /* QT */
 #include <qapplication.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qwindowsystem_qws.h>
 
 /* OPIE */
 #include <qpe/config.h>
 #include <qpe/resource.h>
 #include <qpe/sound.h>
 #include <qpe/qcopenvelope_qws.h>
+#include <opie2/okeyfilter.h>
 
 /* STD */
 #include <fcntl.h>
 #include <math.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <unistd.h>
 #ifndef QT_NO_SOUND
 #include <linux/soundcard.h>
 #endif
 
 namespace Opie {
 namespace Core {
 
 static const char* PATH_PROC_CPUINFO = "/proc/cpuinfo";
 
 
 /* STATIC and common implementation */
 /* EXPORT */ ODistribution distributions[] = {
     { System_Familiar,        "FamiliarLinux",   "/etc/familiar-version" },
     { System_OpenZaurus,      "OpenZaurus",      "/etc/oz_version" },
     { System_OpenEmbedded,    "OpenEmbedded",    "/etc/oe-version" },
     { System_Unknown,         "Linux",           "/etc/issue" },
 };
 
 
 /* EXPORT */ bool isQWS(){
     return qApp ? ( qApp->type() == QApplication::GuiServer ) : false;
 }
 
@@ -647,71 +648,81 @@ void ODevice::reloadButtonMapping()
             // pdata = decodeBase64 ( buttonFile. readEntry ( "PressedActionArgs" ));
 
             hch = cfg. readEntry ( "HeldActionChannel" ). latin1();
             hm  = cfg. readEntry ( "HeldActionMessage" ). latin1();
             // hdata = decodeBase64 ( buttonFile. readEntry ( "HeldActionArgs" ));
         }
 
         b. setPressedAction ( OQCopMessage ( pch, pm, pdata ));
 
         b. setHeldAction ( OQCopMessage ( hch, hm, hdata ));
     }
 }
 
 void ODevice::remapPressedAction ( int button, const OQCopMessage &action )
 {
     initButtons();
 
     QString mb_chan;
 
     if ( button >= (int) d->m_buttons->count())
         return;
 
     ODeviceButton &b = ( *d->m_buttons ) [button];
         b. setPressedAction ( action );
 
     mb_chan=b. pressedAction(). channel();
 
     Config buttonFile ( "ButtonSettings" );
     buttonFile. setGroup ( "Button" + QString::number ( button ));
     buttonFile. writeEntry ( "PressedActionChannel", (const char*) mb_chan);
     buttonFile. writeEntry ( "PressedActionMessage", (const char*) b. pressedAction(). message());
 
-//	buttonFile. writeEntry ( "PressedActionArgs", encodeBase64 ( b. pressedAction(). data()));
+//  buttonFile. writeEntry ( "PressedActionArgs", encodeBase64 ( b. pressedAction(). data()));
 
     QCopEnvelope ( "QPE/System", "deviceButtonMappingChanged()" );
 }
 
 void ODevice::remapHeldAction ( int button, const OQCopMessage &action )
 {
     initButtons();
 
     if ( button >= (int) d->m_buttons->count())
         return;
 
     ODeviceButton &b = ( *d->m_buttons ) [button];
         b. setHeldAction ( action );
 
     Config buttonFile ( "ButtonSettings" );
     buttonFile. setGroup ( "Button" + QString::number ( button ));
     buttonFile. writeEntry ( "HeldActionChannel", (const char *) b. heldAction(). channel());
     buttonFile. writeEntry ( "HeldActionMessage", (const char *) b. heldAction(). message());
 
-//	buttonFile. writeEntry ( "HeldActionArgs", decodeBase64 ( b. heldAction(). data()));
+//  buttonFile. writeEntry ( "HeldActionArgs", decodeBase64 ( b. heldAction(). data()));
 
     QCopEnvelope ( "QPE/System", "deviceButtonMappingChanged()" );
 }
 void ODevice::virtual_hook(int, void* ){
 
 }
 
 void ODevice::sendSuspendmsg()
 {
     if ( isQWS() )
         return;
 
     QCopEnvelope ( "QPE/System", "aboutToSuspend()" );
 }
 
+void ODevice::addPreHandler(QWSServer::KeyboardFilter*aFilter)
+{
+    Opie::Core::OKeyFilter::inst()->addPreHandler(aFilter);
+}
+
+void ODevice::remPreHandler(QWSServer::KeyboardFilter*aFilter)
+{
+    Opie::Core::OKeyFilter::inst()->remPreHandler(aFilter);
+}
+
 
 }
 }
diff --git a/libopie2/opiecore/device/odevice.h b/libopie2/opiecore/device/odevice.h
index 0465d7e..762d3f1 100644
--- a/libopie2/opiecore/device/odevice.h
+++ b/libopie2/opiecore/device/odevice.h
@@ -1,73 +1,74 @@
 /*
-                             This file is part of the Opie Project
-                             Copyright (C) The Opie Team <opie-devel@handhelds.org>
+                     This file is part of the Opie Project
+                      Copyright (C) The Opie Team <opie-devel@handhelds.org>
               =.
             .=l.
-           .>+-=
- _;:,     .>    :=|.         This program is free software; you can
-.> <`_,   >  .   <=          redistribute it and/or  modify it under
-:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
-.="- .-=="i,     .._         License as published by the Free Software
- - .   .-<_>     .<>         Foundation; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
-    .%`+i>       _;_.
-    .i_,=:_.      -<s.       This program is distributed in the hope that
-     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
-    : ..    .:,     . . .    without even the implied warranty of
-    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
-  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
-..}^=.=       =       ;      Library General Public License for more
-++=   -.     .`     .:       details.
- :     =  ...= . :.=-
- -.   .:....=;==+<;          You should have received a copy of the GNU
-  -_. . .   )=.  =           Library General Public License along with
-    --        :-=`           this library; see the file COPYING.LIB.
+     .>+-=
+_;:,   .>  :=|.         This program is free software; you can
+.> <`_,  > .  <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--  :           the terms of the GNU Library General Public
+.="- .-=="i,   .._         License as published by the Free Software
+- .  .-<_>   .<>         Foundation; either version 2 of the License,
+  ._= =}    :          or (at your option) any later version.
+  .%`+i>    _;_.
+  .i_,=:_.   -<s.       This program is distributed in the hope that
+  + . -:.    =       it will be useful,  but WITHOUT ANY WARRANTY;
+  : ..  .:,   . . .    without even the implied warranty of
+  =_    +   =;=|`    MERCHANTABILITY or FITNESS FOR A
+ _.=:.    :  :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=    =    ;      Library General Public License for more
+++=  -.   .`   .:       details.
+:   = ...= . :.=-
+-.  .:....=;==+<;          You should have received a copy of the GNU
+ -_. . .  )=. =           Library General Public License along with
+  --    :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #ifndef ODEVICE_H_
 #define ODEVICE_H_
 
 /* OPIE */
 #include <opie2/odevicebutton.h>
 #include <qpe/qpeapplication.h> /* for Transformation enum.. */
 
 /* QT */
 #include <qnamespace.h>
 #include <qobject.h>
 #include <qstring.h>
 #include <qstrlist.h>
+#include <qwindowsystem_qws.h>
 
 namespace Opie{
 namespace Core{
 
     class ODeviceData;
 /**
  * The available devices
  */
 enum OModel {
     Model_Unknown, // = 0
 
     Model_Series_Mask   = 0xff000000,
 
     Model_iPAQ          = ( 1 << 24 ),
 
     Model_iPAQ_All      = ( Model_iPAQ | 0xffffff ),
     Model_iPAQ_H31xx    = ( Model_iPAQ | 0x000001 ),
     Model_iPAQ_H36xx    = ( Model_iPAQ | 0x000002 ),
     Model_iPAQ_H37xx    = ( Model_iPAQ | 0x000004 ),
     Model_iPAQ_H38xx    = ( Model_iPAQ | 0x000008 ),
     Model_iPAQ_H39xx    = ( Model_iPAQ | 0x000010 ),
     Model_iPAQ_H5xxx    = ( Model_iPAQ | 0x000020 ),
     Model_iPAQ_H22xx    = ( Model_iPAQ | 0x000040 ),
 
     Model_Jornada       = ( 6 << 24 ),
     Model_Jornada_56x   = ( Model_Jornada | 0x000001 ),
 
     Model_Zaurus        = ( 2 << 24 ),
 
     Model_Zaurus_SL5000 = ( Model_Zaurus | 0x000001 ),
     Model_Zaurus_SL5500 = ( Model_Zaurus | 0x000002 ),
     Model_Zaurus_SLA300 = ( Model_Zaurus | 0x000003 ),
@@ -224,130 +225,132 @@ public:
 
     static ODevice *inst();
 
     // information
 
     QString modelString() const;
     OModel model() const;
     inline OModel series() const { return (OModel) ( model() & Model_Series_Mask ); }
 
     QString vendorString() const;
     OVendor vendor() const;
 
     QString systemString() const;
     OSystem system() const;
 
     QString systemVersionString() const;
 
     virtual Transformation rotation() const;
     virtual ODirection direction() const;
 
     // system
 
     virtual bool setSoftSuspend ( bool on );
     virtual bool suspend();
 
     virtual bool setDisplayStatus ( bool on );
     virtual bool setDisplayBrightness ( int brightness );
     virtual int displayBrightnessResolution() const;
     virtual bool setDisplayContrast ( int contrast );
     virtual int displayContrastResolution() const;
 
     // don't add new virtual methods, use this:
-    //	/*virtual */ void boo(int i ) { return virtual_hook(1,&i); };
+    //  /*virtual */ void boo(int i ) { return virtual_hook(1,&i); };
     // and in your subclass do do overwrite
-    //	protected virtual int virtual_hook(int, void *)
+    //  protected virtual int virtual_hook(int, void *)
     // which is defined below
 
     // input / output
     virtual void playAlarmSound();
     virtual void playKeySound();
     virtual void playTouchSound();
 
     virtual QValueList <OLed> ledList() const;
     virtual QValueList <OLedState> ledStateList ( OLed led ) const;
     virtual OLedState ledState ( OLed led ) const;
     virtual bool setLedState ( OLed led, OLedState st );
 
     virtual bool hasLightSensor() const;
     virtual int readLightSensor();
     virtual int lightSensorResolution() const;
 
     virtual bool hasHingeSensor() const;
     virtual OHingeStatus readHingeSensor();
 
     const QStrList &allowedCpuFrequencies() const;
     bool setCurrentCpuFrequency(uint index);
 
     /**
      * Returns the available buttons on this device.  The number and location
      * of buttons will vary depending on the device.  Button numbers will be assigned
      * by the device manufacturer and will be from most preferred button to least preffered
      * button.  Note that this list only contains "user mappable" buttons.
      *
      * @todo Make method const and take care of calling initButtons or make that const too
      *
      */
     const QValueList<ODeviceButton> &buttons();
 
     /**
      * Returns the DeviceButton for the \a keyCode.  If \a keyCode is not found, it
      * returns 0L
      */
     const ODeviceButton *buttonForKeycode ( ushort keyCode );
 
     /**
      * Reassigns the pressed action for \a button.  To return to the factory
      * default pass an empty string as \a qcopMessage.
      */
     void remapPressedAction ( int button, const OQCopMessage &qcopMessage );
 
     /**
      * Reassigns the held action for \a button.  To return to the factory
      * default pass an empty string as \a qcopMessage.
      */
     void remapHeldAction ( int button, const OQCopMessage &qcopMessage );
 
     /**
      * How long (in ms) you have to press a button for a "hold" action
      */
     uint buttonHoldTime() const;
 
 signals:
     void buttonMappingChanged();
 
 private slots:
     void systemMessage ( const QCString &, const QByteArray & );
 
 protected:
+    void addPreHandler(QWSServer::KeyboardFilter*aFilter);
+    void remPreHandler(QWSServer::KeyboardFilter*aFilter);
     void reloadButtonMapping();
     /*  ugly virtual hook */
     virtual void virtual_hook( int id, void* data );
 };
 
 class ODeviceData {
 
   public:
     QString m_vendorstr;
     OVendor m_vendor;
 
     QString m_modelstr;
     OModel m_model;
 
     QString m_systemstr;
     OSystem m_system;
 
     QString m_sysverstr;
 
     Transformation m_rotation;
     ODirection m_direction;
 
     QValueList <ODeviceButton> *m_buttons;
     uint                        m_holdtime;
     QStrList                   *m_cpu_frequencies;
 };
 
 extern bool isQWS();
 extern QCString makeChannel ( const char *str );
 }
 }
 
diff --git a/libopie2/opiecore/device/odevice_ipaq.cpp b/libopie2/opiecore/device/odevice_ipaq.cpp
index 791e409..21fed99 100644
--- a/libopie2/opiecore/device/odevice_ipaq.cpp
+++ b/libopie2/opiecore/device/odevice_ipaq.cpp
@@ -140,66 +140,65 @@ void iPAQ::init(const QString& model)
         d->m_model = Model_Unknown;
 
     switch ( d->m_model ) {
         case Model_iPAQ_H31xx:
         case Model_iPAQ_H38xx:
             d->m_rotation = Rot90;
             break;
         case Model_iPAQ_H5xxx:
         case Model_iPAQ_H22xx:
             d->m_rotation = Rot0;
             break;
         case Model_iPAQ_H36xx:
         case Model_iPAQ_H37xx:
         case Model_iPAQ_H39xx:
         default:
             d->m_rotation = Rot270;
             break;
 
         }
 
     m_leds [0] = m_leds [1] = Led_Off;
 
     m_power_timer = 0;
 
 }
 
 void iPAQ::initButtons()
 {
     if ( d->m_buttons )
         return;
 
     if ( isQWS( ) ) {
-        Opie::Core::OKeyFilter::inst()->addPreHandler(this);
-        //QWSServer::setKeyboardFilter ( this );
+        addPreHandler(this);
     }
 
     d->m_buttons = new QValueList <ODeviceButton>;
 
     for ( uint i = 0; i < ( sizeof( ipaq_buttons ) / sizeof( i_button )); i++ ) {
         i_button *ib = ipaq_buttons + i;
         ODeviceButton b;
 
         if (( ib->model & d->m_model ) == d->m_model ) {
             b. setKeycode ( ib->code );
             b. setUserText ( QObject::tr ( "Button", ib->utext ));
             b. setPixmap ( Resource::loadPixmap ( ib->pix ));
             b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( ib->fpressedservice ), ib->fpressedaction ));
             b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( ib->fheldservice ), ib->fheldaction ));
 
             d->m_buttons->append ( b );
         }
     }
     reloadButtonMapping();
 
     QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
     connect ( sysch, SIGNAL( received(const QCString&,const QByteArray&)), this, SLOT( systemMessage(const QCString&,const QByteArray&)));
 }
 
 QValueList <OLed> iPAQ::ledList() const
 {
     QValueList <OLed> vl;
     vl << Led_Power;
 
     if ( d->m_model == Model_iPAQ_H38xx )
         vl << Led_BlueTooth;
     return vl;
diff --git a/libopie2/opiecore/device/odevice_simpad.cpp b/libopie2/opiecore/device/odevice_simpad.cpp
index 6c3253c..bf46e43 100644
--- a/libopie2/opiecore/device/odevice_simpad.cpp
+++ b/libopie2/opiecore/device/odevice_simpad.cpp
@@ -118,66 +118,65 @@ void SIMpad::init(const QString&)
     d->m_vendorstr = "SIEMENS";
     d->m_vendor = Vendor_SIEMENS;
 
 
     //TODO Implement model checking
     //FIXME For now we assume an SL4
 
     d->m_modelstr = "SL4";
     d->m_model = Model_SIMpad_SL4;
 
     switch ( d->m_model ) {
         default:
             d->m_rotation = Rot0;
             d->m_direction = CCW;
             d->m_holdtime = 1000; // 1000ms
 
             break;
     }
 
     //Distribution detecting code is now in base class
     m_leds [0] = m_leds [1] = Led_Off;
 
     m_power_timer = 0;
 
 }
 
 void SIMpad::initButtons()
 {
     if ( d->m_buttons )
         return;
 
     if ( isQWS( ) ) {
-        Opie::Core::OKeyFilter::inst()->addPreHandler(this);
-//        QWSServer::setKeyboardFilter ( this );
+        addPreHandler(this);
     }
 
 
     d->m_buttons = new QValueList <ODeviceButton>;
 
     for ( uint i = 0; i < ( sizeof( simpad_buttons ) / sizeof( s_button )); i++ ) {
         s_button *sb = simpad_buttons + i;
         ODeviceButton b;
 
         if (( sb->model & d->m_model ) == d->m_model ) {
             b. setKeycode ( sb->code );
             b. setUserText ( QObject::tr ( "Button", sb->utext ));
             b. setPixmap ( Resource::loadPixmap ( sb->pix ));
             b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( sb->fpressedservice ), sb->fpressedaction ));
             b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( sb->fheldservice ), sb->fheldaction ));
 
             d->m_buttons->append ( b );
         }
     }
     reloadButtonMapping();
 
     QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
     connect ( sysch, SIGNAL( received(const QCString&,const QByteArray&)), this, SLOT( systemMessage(const QCString&,const QByteArray&)));
 }
 
 // SIMpad boardcontrol register CS3
 #define SIMPAD_BOARDCONTROL "/proc/cs3"
 #define SIMPAD_VCC_5V_EN                   0x0001 // For 5V PCMCIA
 #define SIMPAD_VCC_3V_EN                   0x0002 // FOR 3.3V PCMCIA
 #define SIMPAD_EN1                         0x0004 // This is only for EPROM's
 #define SIMPAD_EN0                         0x0008 // Both should be enable for 3.3V or 5V
 #define SIMPAD_DISPLAY_ON                  0x0010
diff --git a/libopie2/opiecore/okeyfilter.h b/libopie2/opiecore/okeyfilter.h
index a65bc48..d183641 100644
--- a/libopie2/opiecore/okeyfilter.h
+++ b/libopie2/opiecore/okeyfilter.h
@@ -4,83 +4,78 @@
            .=l.             Copyright (C) The Opie Team <opie-devel@handhelds.org>
           .>+-=
 _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=         redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :          the terms of the GNU Library General Public
 .="- .-=="i,     .._        License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This program is distributed in the hope that
     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
    : ..    .:,     . . .    without even the implied warranty of
    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
 ..}^=.=       =       ;     Library General Public License for more
 ++=   -.     .`     .:      details.
 :     =  ...= . :.=-
 -.   .:....=;==+<;          You should have received a copy of the GNU
  -_. . .   )=.  =           Library General Public License along with
    --        :-=`           this library; see the file COPYING.LIB.
                             If not, write to the Free Software Foundation,
                             Inc., 59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.
 */
 
 /* QT */
 #include <qwindowsystem_qws.h>
 #include <qvaluelist.h>
 
 namespace Opie {
 namespace Core {
     class ODevice;
-namespace Internal {
-    class iPAQ;
-    class SIMpad;
-}
+
 
 /**
  * A singleton which will manage all possible keyboard filters inside opie.
  * It makes sure that key handlers of odevice are checked first than the
  * keyfilters of software.
  * @short a keyfilter proxy
  * @see QWSServer::KeyboardFilter
  * @author Rajko Albrecht
  * @version 1.0
  */
 class OKeyFilter
 {
     friend class Opie::Core::ODevice;
-    friend class Opie::Core::Internal::iPAQ;
-    friend class Opie::Core::Internal::SIMpad;
 
 protected:
     /**
      * Protected constructor - generate class via inst()
      * @see inst()
      */
     OKeyFilter();
     /**
      * Protected constructor - generate class via inst()
      * @see inst()
      */
     OKeyFilter(const OKeyFilter&){};
     /**
      * Append filter to the primary list.
      * This is only allowed for friend classes from odevice
      * @param aFilter a filter to append
      * @see addHandler
      */
     virtual void addPreHandler(QWSServer::KeyboardFilter*aFilter)=0;
     /**
      * Remove the specified filter from list and give back ownership.
      * This is only allowed for friend classes from odevice
      * @param aFilter a filter to remove
      * @see remHandler
      */
     virtual void remPreHandler(QWSServer::KeyboardFilter*aFilter)=0;
 
 public:
     virtual ~OKeyFilter();
     /**
      * Append filter to the secondary list.
      * @param aFilter a filter to append