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132 lines
3.0 KiB
132 lines
3.0 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk>
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Copyright (C) by Andrew Stanley-Jones
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Copyright (C) 2000 by Carsten Pfeiffer <pfeiffer@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include "history.h"
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#include "historystringitem.h"
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#include "klipperpopup.h"
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History::History( TQWidget* parent, const char* name )
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: TQObject( parent, name ),
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m_popup( new KlipperPopup( this, parent, "main_widget" ) ),
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m_topIsUserSelected( false )
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{
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connect( this, TQT_SIGNAL( changed() ), m_popup, TQT_SLOT( slotHistoryChanged() ) );
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itemList.setAutoDelete( true );
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}
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History::~History() {
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}
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History::iterator History::youngest() {
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return iterator( itemList );
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}
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void History::insert( const HistoryItem* item ) {
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if ( !item )
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return;
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m_topIsUserSelected = false;
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// Optimisation: Compare with top item.
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if ( !itemList.isEmpty() && *itemList.first() == *item ) {
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delete item;
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return;
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}
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remove( item );
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forceInsert( item );
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emit topChanged();
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}
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void History::forceInsert( const HistoryItem* item ) {
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if ( !item )
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return;
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itemList.prepend( item );
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emit changed();
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trim();
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}
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void History::trim() {
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int i = itemList.count() - max_size();
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if ( i <= 0 )
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return;
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while ( i-- ) {
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itemList.removeLast();
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}
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emit changed();
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}
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void History::remove( const HistoryItem* newItem ) {
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if ( !newItem )
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return;
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for ( const HistoryItem* item = itemList.first(); item; item=next() ) {
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if ( *item == *newItem ) {
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itemList.remove();
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emit changed();
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return;
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}
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}
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}
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void History::slotClear() {
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itemList.clear();
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emit changed();
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}
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void History::slotMoveToTop(int pos ) {
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if ( pos < 0 || static_cast<unsigned>( pos ) >= itemList.count() ) {
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kdDebug() << "Argument pos out of range: " << pos << endl;
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return;
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}
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m_topIsUserSelected = true;
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itemList.first();
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for ( ; pos; pos-- ) {
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itemList.next();
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}
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HistoryItem* item = itemList.take();
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itemList.prepend( item );
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emit changed();
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emit topChanged();
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}
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void History::max_size( unsigned max_size ) {
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m_max_size = max_size;
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trim();
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}
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KlipperPopup* History::popup() {
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return m_popup;
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}
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#include "history.moc"
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