smesh/src/SMESHGUI/SMESHGUI_SpinBox.cxx

// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

// SMESH SMESHGUI : GUI for SMESH component
// File   : SMESHGUI_SpinBox.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
// SMESH includes
//
#include "SMESHGUI_SpinBox.h"

#include <SUIT_Session.h>
#include <SUIT_ResourceMgr.h>

// Qt includes
#include <QLineEdit>
#include <QVariant>

//=================================================================================
// class    : SMESHGUI_SpinBox()
// purpose  : constructor of specific widget accepting floats in double precision.
//=================================================================================
SMESHGUI_SpinBox::SMESHGUI_SpinBox( QWidget* parent )
  : SalomeApp_DoubleSpinBox( parent )
{
}

//=================================================================================
// function : ~SMESHGUI_SpinBox()
// purpose  : destructor
//=================================================================================
SMESHGUI_SpinBox::~SMESHGUI_SpinBox()
{
}

//=================================================================================
// function : SetStep()  [SLOT]
// purpose  :
//=================================================================================
void SMESHGUI_SpinBox::SetStep( double newStep )
{
  setSingleStep( newStep );
}

//=================================================================================
// function : SetValue()
// purpose  :
//=================================================================================
void SMESHGUI_SpinBox::SetValue( double v )
{
  setValue(valueFromText(textFromValue(v)));
  editor()->setCursorPosition( 0 );
}

//=================================================================================
// function : GetValue()
// purpose  : returns a double
//=================================================================================
double SMESHGUI_SpinBox::GetValue() const
{
  return value();
}

//=================================================================================
// function : GetString()
// purpose  : returns a QString
//=================================================================================
QString SMESHGUI_SpinBox::GetString() const
{
  return cleanText();
}

//=================================================================================
// function : editor()
// purpose  : returns editor
//=================================================================================
QLineEdit* SMESHGUI_SpinBox::editor() const
{
  return SalomeApp_DoubleSpinBox::lineEdit();
} 

//=================================================================================
// function : RangeStepAndValidator()
// purpose  :
//=================================================================================
void SMESHGUI_SpinBox::RangeStepAndValidator( double min,
                                              double max,
                                              double step,
                                              const char* quantity )
{
  // Obtain precision from preferences
  SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
  int precision = resMgr->integerValue( "SMESH", quantity, -3 );
  
  setPrecision(precision); // PAL8769. Minus is for using 'g' double->string conversion specifier,
  //                          see QtxDoubleSpinBox::mapValueToText( double v )
  //                          san: this can be achieved using preferences
  setDecimals( 20 ); // qAbs(precision)
  setRange(min, max);
  setSingleStep( step );
  setDefaultValue( min );
  
  // Add a hint for the user saying how to tune precision
  QString userPropName = QObject::tr( QString( "SMESH_PREF_%1" ).arg( quantity ).toLatin1().constData() );
  setProperty( "validity_tune_hint", 
               QVariant( QObject::tr( "SMESH_PRECISION_HINT" ).arg( userPropName ) ) );  
}