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//=========================================================
//  MusE
//  Linux Music Editor
//    $Id: spinbox.cpp,v 1.1.2.3 2009/07/09 18:27:11 terminator356 Exp $
//    (C) Copyright 2001 Werner Schweer (ws@seh.de)
//
//  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; 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; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
//=========================================================

#include <QKeyEvent>
#include <QEvent>
#include "spinbox.h"

namespace MusEGui {

//---------------------------------------------------------
//   SpinBox
//---------------------------------------------------------

SpinBox::SpinBox(QWidget* parent)
   : QSpinBox(parent)
{
  _clearFocus = true;
}

SpinBox::SpinBox(int minValue, int maxValue, int step, QWidget* parent)
   : QSpinBox(parent)
{
  setRange(minValue, maxValue);
  setSingleStep(step);
  _clearFocus = true;
}

bool SpinBox::eventFilter(QObject* o, QEvent* ev)
{
    // if (o != (QObject*)editor()) ddskrjo can't find editor()
    //    return QSpinBox::eventFilter(o,ev);
    
    bool retval = FALSE; 
    if(ev->type() == QEvent::KeyPress) 
    {
        QKeyEvent* k = (QKeyEvent*)ev;
        if(k->key() == Qt::Key_Up || k->key() == Qt::Key_Down) 
        {
          // stepUp/stepDown will be called. Set this now.
          _clearFocus = false;
        }  
        else if (k->key() == Qt::Key_Enter || k->key() == Qt::Key_Return) 
        {
          // With this line, two enter presses after an edit will clear focus.
          // Without, just one enter press clears the focus.
          //if(!editor()->isModified())
          {  
            clearFocus();
            return TRUE;
          }
        }
   }
   else
   if(ev->type() == QEvent::MouseButtonDblClick) 
   {
     emit doubleClicked();
     return TRUE;
   }
   
   retval = QSpinBox::eventFilter(o, ev);
     
   return retval;
}

void SpinBox::stepUp()
{
  QSpinBox::stepUp();
  if(_clearFocus)
    clearFocus();
  else  
    _clearFocus = true;
}

void SpinBox::stepDown()
{
  QSpinBox::stepDown();
  if(_clearFocus)
    clearFocus();
  else  
    _clearFocus = true;
}

} // namespace MusEGui