more work on a higher level listview interface

4 files changed, 148 insertions, 11 deletions

diff --git a/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp b/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
index 31bda9d..5ba7b69 100644
--- a/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
+++ b/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
@@ -1,54 +1,80 @@
 /*
                              This file is part of the Opie Project
 
                              Copyright (C) 2003 Michael 'Mickey' Lauer
                              <mickey@tm.informatik.uni-frankfurt.de>
               =.
             .=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.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include "olistviewdemo.h"
 #include <opie2/olistview.h>
 
 #include <qstring.h>
 #include <qpixmap.h>
 #include <qlistview.h>
 
 OListViewDemo::OListViewDemo( QWidget* parent, const char* name, WFlags f )
                    :QVBox( parent, name, f )
 {
     lv = new ONamedListView( this );
+    lv->setRootIsDecorated( true );
     lv->addColumns( QStringList::split( ' ', "Column1 Column2 Column3 Column4" ) );
 
     ONamedListViewItem* item = new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
     item->setText( "Column2", "ModifiedText" );
     item->setText( "Column5", "ThisColumnDoesNotExits" );
+
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Minni" ) );
+    item = new ONamedListViewItem( lv, QStringList::split( ' ', "XXX YYY ZZZ ***" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 HereItComes" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 HereItComesSoon" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 Mickey" ) );
+
+    if ( lv->find( 3, "Mickey", 3 ) )
+        qDebug( "found Mickey :-)" );
+    else
+        qDebug( "did not found Mickey :-(" );
+
+    if ( lv->find( 3, "Minni", 0 ) )
+        qDebug( "found Minni :-)" );
+    else
+        qDebug( "did not found Minni :-(" );
+
 }
 
 OListViewDemo::~OListViewDemo()
 {
 }
 
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index a29b29d..1b38d02 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -1,403 +1,408 @@
 /*
                              This file is part of the Opie Project
                              Copyright (C) 2003 by the Wellenreiter team:
                              Martin J. Muench <mjm@remote-exploit.org>
                              Max Moser <mmo@remote-exploit.org
                              Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
               =.
             .=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.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #ifndef ONETWORK_H
 #define ONETWORK_H
 
 /* OPIE */
 
 #include <opie2/onetutils.h>
 
 /* QT */
 
 #include <qvaluelist.h>
 #include <qdict.h>
 #include <qmap.h>
 #include <qobject.h>
 #include <qhostaddress.h>
 
 #ifndef IFNAMSIZ
 #define IFNAMSIZ 16
 #endif
 #ifndef IW_MAX_PRIV_DEF
 #define IW_MAX_PRIV_DEF        128
 #endif
 
 // ML: Yeah, I hate to include kernel headers, but it's necessary here
 // ML: Here comes an ugly hack to prevent <linux/wireless.h> including <linux/if.h>
 // ML: which conflicts with the user header <net/if.h>
 // ML: We really need a user header for the Wireless Extensions, something like <net/wireless.h>
 // ML: I will drop Jean a mail on that subject
 
 #include <net/if.h>
 #define _LINUX_IF_H
 #include <linux/wireless.h>
 
 class ONetworkInterface;
 class OWirelessNetworkInterface;
 class OChannelHopper;
 class OMonitoringInterface;
 
 /*======================================================================================
  * ONetwork
  *======================================================================================*/
 
 /**
  * @brief A container class for all network interfaces
  *
  * This class provides access to all available network interfaces of your computer.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class ONetwork : public QObject
 {
   Q_OBJECT
 
  public:
     typedef QDict<ONetworkInterface> InterfaceMap;
     typedef QDictIterator<ONetworkInterface> InterfaceIterator;
 
   public:
     /**
      * @returns the number of available interfaces
      */
     int count() const;
     /**
      * @returns a pointer to the (one and only) @ref ONetwork instance.
      */
     static ONetwork* instance();
     /**
      * @returns an iterator usable for iterating through all network interfaces.
      */
     InterfaceIterator iterator() const;
     /**
      * @returns true, if the @a interface supports the wireless extension protocol.
      */
      // FIXME QString? -zecke
     bool isWirelessInterface( const char* interface ) const;
     /**
      * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found
      * @see ONetworkInterface
      */
      // FIXME: const QString& is prefered over QString!!! -zecke
     ONetworkInterface* interface( const QString& interface ) const;
     /**
      * @internal Rebuild the internal interface database
      * @note Sometimes it might be useful to call this from client code,
      * e.g. after issuing a cardctl insert
      */
     void synchronize();
 
   protected:
     ONetwork();
 
   private:
     static ONetwork* _instance;
     InterfaceMap _interfaces;
 };
 
 
 /*======================================================================================
  * ONetworkInterface
  *======================================================================================*/
 
 /**
  * @brief A network interface wrapper.
  *
  * This class provides a wrapper for a network interface. All the cumbersume details of
  * Linux ioctls are hidden under a convenient high-level interface.
  * @warning Most of the setting methods contained in this class require the appropriate
  * process permissions to work.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class ONetworkInterface : public QObject
 {
     friend class OMonitoringInterface;
     friend class OCiscoMonitoringInterface;
     friend class OWlanNGMonitoringInterface;
     friend class OHostAPMonitoringInterface;
     friend class OOrinocoMonitoringInterface;
 
   public:
     /**
      * Constructor. Normally you don't create @ref ONetworkInterface objects yourself,
      * but access them via @ref ONetwork::interface().
      */
     ONetworkInterface( QObject* parent, const char* name );
     /**
      * Destructor.
      */
     virtual ~ONetworkInterface();
     /**
      * Associates a @a monitoring interface with this network interface.
      * @note This is currently only useful with @ref OWirelessNetworkInterface objects.
      */
     void setMonitoring( OMonitoringInterface* monitoring );
     /**
      * @returns the currently associated monitoring interface or 0, if no monitoring is associated.
      */
     OMonitoringInterface* monitoring() const;
     /**
      * Setting an interface to promiscuous mode enables the device to receive
      * all packets on the shared medium - as opposed to packets which are addressed to this interface.
      */
     bool setPromiscuousMode( bool );
     /**
      * @returns true if the interface is set to promiscuous mode.
      */
     bool promiscuousMode() const;
     /**
      * Setting an interface to up enables it to receive packets.
      */
     bool setUp( bool );
     /**
      * @returns true if the interface is up.
      */
     bool isUp() const;
     /**
      * @returns true if the interface is a loopback interface.
      */
     bool isLoopback() const;
     /**
      * @returns true if the interface is featuring supports the wireless extension protocol.
      */
     bool isWireless() const;
     /**
      * Associate the IP address @ addr with the interface.
      */
     void setIPV4Address( const QHostAddress& addr );
     /**
      * @returns the IPv4 address associated with the interface.
      */
     QString ipV4Address() const; //TODO: make this return an OHostAddress
     /**
      * Associate the MAC address @a addr with the interface.
      * @note It can be necessary to shut down the interface prior to calling this method.
      * @warning This is not supported by all drivers.
      */
     void setMacAddress( const OMacAddress& addr );
     /**
      * @returns the MAC address associated with the interface.
      */
     OMacAddress macAddress() const;
     /**
      * Associate the IPv4 @a netmask with the interface.
      */
     void setIPV4Netmask( const QHostAddress& netmask );
     /**
      * @returns the IPv4 netmask associated with the interface.
      */
     QString ipV4Netmask() const; //TODO: make this return an OHostAddress
     /**
      * @returns the data link type currently associated with the interface.
      * @see #include <net/if_arp.h> for possible values.
      */
     int dataLinkType() const;
 
   protected:
     const int _sfd;
     mutable ifreq _ifr;
     OMonitoringInterface* _mon;
 
   protected:
     struct ifreq& ifr() const;
     virtual void init();
     bool ioctl( int call ) const;
     bool ioctl( int call, struct ifreq& ) const;
 };
 
 /*======================================================================================
  * OChannelHopper
  *======================================================================================*/
 
 /**
  * @brief A radio frequency channel hopper.
  *
  * This class provides a channel hopper for radio frequencies. A channel hopper frequently
  * changes the radio frequency channel of its associated @ref OWirelessNetworkInterface.
  * This is necessary when in monitoring mode and scanning for other devices, because
  * the radio frequency hardware can only detect packets sent on the same frequency.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class OChannelHopper : public QObject
 {
   Q_OBJECT
 
   public:
     /**
      * Constructor.
      */
     OChannelHopper( OWirelessNetworkInterface* );
     /**
      * Destructor.
      */
     virtual ~OChannelHopper();
     /**
      * @returns true, if the channel hopper is hopping channels
      */
     bool isActive() const;
     /**
      * @returns the last hopped channel
      */
     int channel() const;
     /**
      * Set the channel hopping @a interval.
      * An interval of 0 deactivates the channel hopper.
      */
     void setInterval( int interval );
     /**
      * @returns the channel hopping interval
      */
     int interval() const;
 
   signals:
     /**
      * This signal is emitted right after the channel hopper performed a hop
      */
     void hopped( int );
 
   protected:
     virtual void timerEvent( QTimerEvent* );
 
   private:
     OWirelessNetworkInterface* _iface;
     int _interval;
     int _tid;
     QValueList<int> _channels;
     QValueList<int>::Iterator _channel;
 };
 
 
 /*======================================================================================
  * OWirelessNetworkInterface
  *======================================================================================*/
 
 /**
  * @brief A network interface wrapper for interfaces supporting the wireless extensions protocol.
  *
  * This class provides a high-level encapsulation of the Linux wireless extension API.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class OWirelessNetworkInterface : public ONetworkInterface
 {
     friend class OMonitoringInterface;
     friend class OCiscoMonitoringInterface;
     friend class OWlanNGMonitoringInterface;
     friend class OHostAPMonitoringInterface;
     friend class OOrinocoMonitoringInterface;
 
     friend class OPrivateIOCTL;
 
   public:
     /**
      * Constructor.
      */
     OWirelessNetworkInterface( QObject* parent, const char* name );
     /**
      * Destructor.
      */
     virtual ~OWirelessNetworkInterface();
     /**
      * Setting the @a channel of the interface changes the radio frequency (RF)
      * of the corresponding wireless network device.
      */
     virtual void setChannel( int channel ) const;
     /**
      * @returns the channel index of the current radio frequency.
      */
     virtual int channel() const;
     /**
      * @returns the current radio frequency (in MHz).
      */
     virtual double frequency() const;
     /**
      * @returns the number of radio frequency channels for the
      * corresponding wireless network device.
      * @note European devices usually have 14 channels, while American typically feature 11 channels.
      */
     virtual int channels() const;
     /**
      * Set the IEEE 802.11 operation @a mode.
      * Valid values are <ul><li>adhoc<li>managed<li>monitor<li>master
      * @warning Not all drivers support the all modes.
      * @note You might have to change the SSID to get the operation mode change into effect.
      */
     virtual void setMode( const QString& mode );
     /**
      * @returns the current IEEE 802.11 operation mode.
      * Possible values are <ul><li>adhoc<li>managed<li>monitor<li>master or <li>unknown
      */
     virtual QString mode() const;
     /**
      * Setting the monitor mode on a wireless network interface enables
      * listening to IEEE 802.11 data and management frames which normally
      * are handled by the device firmware. This can be used to detect
      * other wireless network devices, e.g. Access Points or Ad-hoc stations.
      * @warning Standard wireless network drives don't support the monitor mode.
      * @warning You need a patched driver for this to work.
      * @note Enabling the monitor mode is highly driver dependent and requires
      * the proper @ref OMonitoringInterface to be associated with the interface.
      * @see OMonitoringInterface
      */
     virtual void setMonitorMode( bool ); //FIXME: ==> setMode( "monitor" );
     /**
      * @returns true if the device is listening in IEEE 802.11 monitor mode
      */
     virtual bool monitorMode() const;  //FIXME: ==> mode()
     /**
      * Set the channel hopping @a interval. An @a interval of 0 disables channel hopping.
      * @see OChannelHopper
      */
     virtual void setChannelHopping( int interval = 0 );
     /**
      * @returns the channel hopping interval or 0, if channel hopping is disabled.
      */
     virtual int channelHopping() const;
     /**
      * @returns the @ref OChannelHopper of this interface or 0, if channel hopping has not been activated before
      */
     virtual OChannelHopper* channelHopper() const;
     /**
      * Set the station @a nickname.
      */
     virtual void setNickName( const QString& nickname );
     /**
      * @returns the current station nickname.
      */
     virtual QString nickName() const;
     /**
      * Invoke the private IOCTL @a command with a @number of parameters on the network interface.
      * @see OPrivateIOCTL
      */
     virtual void setPrivate( const QString& command, int number, ... );
     /**
      * @returns true if the interface is featuring the private IOCTL @command.
      */
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 8f97cc6..8f290d3 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -373,160 +373,235 @@ void OListViewItem::serializeTo( QDataStream& s ) const
     #warning Caution... the binary format is still under construction...
     qDebug( "storing OListViewItem..." );
 
     // store item text
     for ( int i = 0; i < listView()->columns(); ++i )
     {
         s << text( i );
     }
 
     // calculate the number of children to serialize
     int items = 0;
     QListViewItem* item = firstChild();
     while ( item )
     {
         item = item->nextSibling();
         items++;
     }
 
     // store number of items and the items itself
     s << items;
     item = firstChild();
     for ( int i = 0; i < items; ++i )
     {
         s << *static_cast<OListViewItem*>( item );
         item = item->nextSibling();
     }
 
     qDebug( "OListviewItem stored." );
 }
 
 
 void OListViewItem::serializeFrom( QDataStream& s )
 {
     #warning Caution... the binary format is still under construction...
     qDebug( "loading OListViewItem..." );
 
     for ( int i = 0; i < listView()->columns(); ++i )
     {
         QString coltext;
         s >> coltext;
         qDebug( "read text '%s' for column %d", (const char*) coltext, i );
         setText( i, coltext );
     }
 
     int items;
     s >> items;
     qDebug( "read number of items = %d", items );
 
     for ( int i = 0; i < items; ++i )
     {
         OListViewItem* item = childFactory();
         s >> (*item);
     }
 
     qDebug( "OListViewItem loaded." );
 }
 
 
 QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi )
 {
     lvi.serializeTo( s );
 }
 
 
 QDataStream& operator>>( QDataStream& s, OListViewItem& lvi )
 {
     lvi.serializeFrom( s );
 }
 #endif // QT_NO_DATASTREAM
 
 
 /*======================================================================================
  * ONamedListView
  *======================================================================================*/
 
 ONamedListView::ONamedListView( QWidget *parent, const char *name )
                :OListView( parent, name )
 {
 }
 
 
 ONamedListView::~ONamedListView()
 {
 }
 
 
 void ONamedListView::addColumns( const QStringList& columns )
 {
     for ( QStringList::ConstIterator it = columns.begin(); it != columns.end(); ++it )
     {
         qDebug( "adding column %s", (const char*) *it );
         addColumn( *it );
     }
 }
 
 
+int ONamedListView::findColumn( const QString& text ) const
+{
+    //FIXME: If used excessively, this will slow down performance of updates
+    //FIXME: because of the linear search over all column texts.
+    //FIXME: I will optimize later by using a hash map.
+    for ( int i = 0; i < columns(); ++i )
+        if ( columnText( i ) == text )
+            return i;
+    return -1;
+}
+
+
+ONamedListViewItem* ONamedListView::find( int column, const QString& text, int recurse ) const
+{
+    return find( (ONamedListViewItem*) firstChild(), column, text, recurse );
+}
+
+
+ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, int column, const QString& text, int recurse ) const
+{
+    ONamedListViewItem* result;
+    while ( item && item->text( column ) != text )
+    {
+        qDebug( "checked %s", (const char*) item->text( column ) );
+
+        if ( recurse < 0 || recurse > 0 )
+        {
+            qDebug( "recursion is %d - recursing into...", recurse );
+            result = find( (ONamedListViewItem*) item->firstChild(), column, text, recurse-1 );
+            if ( result ) return result;
+        }
+
+
+        item = (ONamedListViewItem*) item->itemBelow();
+    }
+    if ( item && item->text( column ) == text )
+        return item;
+    else
+        return 0;
+}
+
+
+ONamedListViewItem* ONamedListView::find( const QString& column, const QString& text, int recurse ) const
+{
+    int col = findColumn( column );
+    if ( col != -1 )
+        return find( (ONamedListViewItem*) firstChild(), col, text, recurse );
+    else
+        return 0;
+}
+
+
+ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, const QString& column, const QString& text, int recurse ) const
+{
+    int col = findColumn( column );
+    if ( col != -1 )
+        return find( item, col, text, recurse );
+    else
+        return 0;
+}
+
+
 /*======================================================================================
  * ONamedListViewItem
  *======================================================================================*/
 
 ONamedListViewItem::ONamedListViewItem( QListView* parent, const QStringList& texts )
                    :OListViewItem( parent )
 {
     setText( texts );
 }
 
 
 ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, const QStringList& texts )
                    :OListViewItem( parent )
 {
     setText( texts );
 }
 
 
 ONamedListViewItem::ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts )
                    :OListViewItem( parent, after )
 {
     setText( texts );
 }
 
 
 ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts )
                    :OListViewItem( parent, after )
 {
     setText( texts );
 }
 
 
 ONamedListViewItem::~ONamedListViewItem()
 {
 }
 
 
 void ONamedListViewItem::setText( const QStringList& texts )
 {
     int col = 0;
     for ( QStringList::ConstIterator it = texts.begin(); it != texts.end(); ++it )
     {
         qDebug( "setting column %d = text %s", col, (const char*) *it );
         OListViewItem::setText( col++, *it );
     }
 
 }
 
 
 void ONamedListViewItem::setText( const QString& column, const QString& text )
 {
     //FIXME: If used excessively, this will slow down performance of updates
     //FIXME: because of the linear search over all column texts.
     //FIXME: I will optimize later by using a hash map.
-    for ( int i = 0; i < listView()->columns(); ++i )
-    {
-        if ( listView()->columnText( i ) == column )
-        {
-            OListViewItem::setText( i, text );
-            return;
-        }
-    }
-    qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+    int col = ( (ONamedListView*) listView() )->findColumn( column );
+    if ( col != -1 )
+        OListViewItem::setText( col, text );
+    else
+        qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+}
+
+
+ONamedListViewItem* ONamedListViewItem::find( int column, const QString& text, int recurse ) const
+{
+    return ( (ONamedListView*) listView() )->find( (ONamedListViewItem*) firstChild(), column, text, recurse );
 }
+
+
+ONamedListViewItem* ONamedListViewItem::find( const QString& column, const QString& text, int recurse ) const
+{
+    int col = ( (ONamedListView*) listView() )->findColumn( column );
+    if ( col != -1 )
+        return ( (ONamedListView*) listView() )->find( (ONamedListViewItem*) firstChild(), col, text, recurse );
+    else
+        return 0;
+}
+
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index 99770bf..1bbdd5b 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -148,163 +148,194 @@ class OListViewItem: public QListViewItem
   public:
     /**
      * Constructors.
      */
     OListViewItem( QListView * parent );
     OListViewItem( QListViewItem * parent );
     OListViewItem( QListView * parent, QListViewItem * after );
     OListViewItem( QListViewItem * parent, QListViewItem * after );
 
     OListViewItem( QListView * parent,
         QString,     QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null );
 
     OListViewItem( QListViewItem * parent,
         QString,     QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null );
 
     OListViewItem( QListView * parent, QListViewItem * after,
         QString,     QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null );
 
     OListViewItem( QListViewItem * parent, QListViewItem * after,
         QString,     QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null );
     /**
      * Destructor.
      */
     virtual ~OListViewItem();
     /**
      * @returns the background color of the list item.
      */
     const QColor& backgroundColor();
     /**
      * @returns true, if the item is at an odd position and
      * thus have to be painted with the alternate background color.
      */
     bool isAlternate();
     /**
      * @note: Reimplemented for internal purposes - the API is not affected
      *
      */
     void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment );
     /**
      * Perform object initialization.
      */
     void init();
    /**
     * create a list view item as child of this object
     * @returns the new object
     */
     virtual OListViewItem* childFactory();
     #ifndef QT_NO_DATASTREAM
    /**
     * serialize this object to or from a @ref QDataStream
     * @param s the stream used to serialize this object.
     */
     virtual void serializeTo( QDataStream& s ) const;
 
    /**
     * serialize this object to or from a @ref QDataStream
     * @param s the stream used to serialize this object.
     */
     virtual void serializeFrom( QDataStream& s );
     #endif
 
   private:
     bool m_known;
     bool m_odd;
 };
 
 #ifndef QT_NO_DATASTREAM
 /**
   * @relates QListViewItem
   * Writes listview @a item and all subitems recursively to @a stream
   * and returns a reference to the stream.
   */
 QDataStream& operator<<( QDataStream& stream, const OListViewItem& item );
 /**
   * @relates QListViewItem
   * Reads listview @a item from @a stream and returns a reference to the stream.
   */
 QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
 #endif // QT_NO_DATASTREAM
 
 /*======================================================================================
  * ONamedListView
  *======================================================================================*/
 
+class ONamedListViewItem;
+
 /**
  * @brief An OListView variant with named columns.
  *
- * This class provides a higher-level interface to the columns in an OListView.
+ * This class provides a higher-level interface to an OListView.
  *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class ONamedListView: public OListView
 {
   public:
     /**
      * Constructor.
      *
      * The parameters @a parent and @a name are handled by
      * @ref OListView, as usual.
      */
     ONamedListView( QWidget* parent = 0, const char* name = 0 );
     /**
      * Destructor.
      */
     virtual ~ONamedListView();
     /**
      * Add a number of @a columns to the listview.
      */
     virtual void addColumns( const QStringList& columns );
+    /**
+     * @returns the column index matching to @a text or -1 if not found.
+     */
+    virtual int findColumn( const QString& text ) const;
+    /**
+     * @returns the first item which has a @a text in column @a column.
+     * Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
+     * <li>set it to 0 to search only among direct childs,
+     * <li>set it to 1 to search direct childs and all 1st order subchilds
+     * <li>set it to -1 for maximum recursion.
+     * </ul>
+     * @sa ONamedListViewItem::find()
+     */
+    virtual ONamedListViewItem* find( ONamedListViewItem* start, int column, const QString& text, int recurse = -1 ) const;
+    virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
+
+    virtual ONamedListViewItem* find( ONamedListViewItem* start, const QString& column, const QString& text, int recurse = -1 ) const;
+    virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
 };
 
 /*======================================================================================
  * ONamedListViewItem
  *======================================================================================*/
 
 /**
  * @brief An OListView variant with named columns.
  *
- * This class provides a higher-level interface to the columns in an OListViewItem.
+ * This class provides a higher-level interface to an OListViewItem.
  *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class ONamedListViewItem: public OListViewItem
 {
   public:
     /**
      * Constructor. Accepts the same parameters as a @ref OListViewItem,
      * plus a @ref QStringList which holds an arbitrary number of @a texts.
      */
     ONamedListViewItem( QListView* parent, const QStringList& texts );
     ONamedListViewItem( QListViewItem* parent, const QStringList& texts );
     ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts );
     ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts );
     /**
      * Destructor.
      */
     virtual ~ONamedListViewItem();
     /**
      * Sets the text in column @a column to @a text.
      * This method differs from @ref QListViewItem::setText() in that it
      * accepts a string as column indicator instead of an int.
      */
     virtual void setText( const QString& column, const QString& text );
     /**
      * Sets a number of @a texts for this item.
      */
     virtual void setText( const QStringList& texts );
+    /**
+     * @returns the first child which has a @a text in column @a column.
+     * Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
+     * <li>set it to 0 to search only among direct childs,
+     * <li>set it to 1 to search direct childs and all 1st order subchilds
+     * <li>set it to -1 for maximum recursion.
+     * </ul>
+     * @sa ONamedListView::find()
+     */
+    virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
+    virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
 };
 
 
 #endif // OLISTVIEW_H