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// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*-
/* This file is part of the KDE project
Copyright (C) 2004 Esben Mose Hansen <[email protected]>
Copyright (C) by Andrew Stanley-Jones
Copyright (C) 2000 by Carsten Pfeiffer <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <kdebug.h>
#include "history.h"
#include "historystringitem.h"
#include "klipperpopup.h"
History::History( QWidget* parent, const char* name )
: QObject( parent, name ),
m_popup( new KlipperPopup( this, parent, "main_widget" ) ),
m_topIsUserSelected( false )
{
connect( this, SIGNAL( changed() ), m_popup, SLOT( slotHistoryChanged() ) );
itemList.setAutoDelete( true );
}
History::~History() {
}
History::iterator History::youngest() {
return iterator( itemList );
}
void History::insert( const HistoryItem* item ) {
if ( !item )
return;
m_topIsUserSelected = false;
// Optimisation: Compare with top item.
if ( !itemList.isEmpty() && *itemList.first() == *item ) {
delete item;
return;
}
remove( item );
forceInsert( item );
emit topChanged();
}
void History::forceInsert( const HistoryItem* item ) {
if ( !item )
return;
itemList.prepend( item );
emit changed();
trim();
}
void History::trim() {
int i = itemList.count() - max_size();
if ( i <= 0 )
return;
while ( i-- ) {
itemList.removeLast();
}
emit changed();
}
void History::remove( const HistoryItem* newItem ) {
if ( !newItem )
return;
for ( const HistoryItem* item = itemList.first(); item; item=next() ) {
if ( *item == *newItem ) {
itemList.remove();
emit changed();
return;
}
}
}
void History::slotClear() {
itemList.clear();
emit changed();
}
void History::slotMoveToTop(int pos ) {
if ( pos < 0 || static_cast<unsigned>( pos ) >= itemList.count() ) {
kdDebug() << "Argument pos out of range: " << pos << endl;
return;
}
m_topIsUserSelected = true;
itemList.first();
for ( ; pos; pos-- ) {
itemList.next();
}
HistoryItem* item = itemList.take();
itemList.prepend( item );
emit changed();
emit topChanged();
}
void History::max_size( unsigned max_size ) {
m_max_size = max_size;
trim();
}
KlipperPopup* History::popup() {
return m_popup;
}
#include "history.moc"
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