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path: root/lib/kofficeui/KoZoomAction.cpp
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/*  This file is part of the KDE libraries
    Copyright (C) 2004 Ariya Hidayat <ariya@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library 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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include <KoZoomAction.h>

#include <tqstring.h>
#include <tqstringlist.h>
#include <tqregexp.h>
#include <tqvaluelist.h>

#include <tdelocale.h>

KoZoomAction::KoZoomAction( const TQString& text, const TQIconSet& pix, 
  const TDEShortcut& cut, TQObject* parent, const char* name ):
  TDESelectAction( text, pix, cut, parent, name )
{
  init();
}
      
KoZoomAction::KoZoomAction( const TQString& text, const TQString& pix, 
  const TDEShortcut& cut, TQObject* parent, const char* name ):
  TDESelectAction( text, pix, cut, parent, name )
{
  init();
  
}

void KoZoomAction::setZoom( const TQString& text )
{
  bool ok = false;
  TQString t = text;
  int zoom = t.remove( '%' ).toInt( &ok );
  
  // where we'll store sorted new zoom values
  TQValueList<int> list;
  if( zoom > 10 ) list.append( zoom );
  
  // "Captured" non-empty sequence of digits
  TQRegExp regexp("(\\d+)"); 
  
  const TQStringList itemsList( items() );
  for( TQStringList::ConstIterator it = itemsList.begin(); it != itemsList.end(); ++it )
  {
    regexp.search( *it );
    const int val=regexp.cap(1).toInt( &ok );
    
    //zoom : limit inferior=10
    if( ok && val>9 && list.contains( val )==0 )
      list.append( val );
  }
  
  qHeapSort( list );

  // update items with new sorted zoom values
  TQStringList values;
  for (TQValueList<int>::Iterator it = list.begin(); it != list.end(); ++it )
    values.append( i18n("%1%").arg(*it) );
  setItems( values );
  
  TQString zoomStr = i18n("%1%").arg( zoom );
  setCurrentItem( values.findIndex( zoomStr ) );
}

void KoZoomAction::setZoom( int zoom )
{
  setZoom( TQString::number( zoom ) );
}

void KoZoomAction::activated( const TQString& text )
{
  setZoom( text );
  emit zoomChanged( text );
}

void KoZoomAction::init()
{
  setEditable( true );
    
  TQStringList values;
  values << i18n("%1%").arg("33");
  values << i18n("%1%").arg("50");
  values << i18n("%1%").arg("75");
  values << i18n("%1%").arg("100");
  values << i18n("%1%").arg("125");
  values << i18n("%1%").arg("150");
  values << i18n("%1%").arg("200");
  values << i18n("%1%").arg("250");
  values << i18n("%1%").arg("350");
  values << i18n("%1%").arg("400");
  values << i18n("%1%").arg("450");
  values << i18n("%1%").arg("500");
  setItems( values );
  
  setCurrentItem( values.findIndex( i18n("%1%").arg( 100 ) ) );
  
  connect( this, TQT_SIGNAL( activated( const TQString& ) ), 
    TQT_SLOT( activated( const TQString& ) ) );
}

#include "KoZoomAction.moc"