1 files changed, 132 insertions, 0 deletions
diff --git a/klipper/history.cpp b/klipper/history.cpp
new file mode 100644
index 000000000..068475214
--- /dev/null
+++ b/klipper/history.cpp
@@ -0,0 +1,132 @@
+// -*- 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 <kde@mosehansen.dk>
+   Copyright (C) by Andrew Stanley-Jones
+   Copyright (C) 2000 by Carsten Pfeiffer <pfeiffer@kde.org>
+
+   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"