#include <cpExtensions/QT/QuadSplitter.h>

#include <cpExtensions/Config.h>

#ifdef cpExtensions_Interface_QT4

/**
 * Inspired by:
 * https://forum.qt.io/topic/7144/quad-splitter-windows-an-implementation/2
 */

// -------------------------------------------------------------------------
cpExtensions::QT::QuadSplitter::
QuadSplitter( QWidget* parent )
  : QSplitter( parent )
{
  this->setOrientation( Qt::Vertical );
  this->addWidget( &this->m_Upper );
  this->addWidget( &this->m_Bottom );

  QObject::connect(
    &( this->m_Upper ), SIGNAL( splitterMoved( int, int ) ),
    this, SLOT( _SyncBottom( int, int ) )
    );
  QObject::connect(
    &( this->m_Bottom ), SIGNAL( splitterMoved( int, int ) ),
    this, SLOT( _SyncUpper( int, int ) )
    );
}

// -------------------------------------------------------------------------
cpExtensions::QT::QuadSplitter::
~QuadSplitter( )
{
}

// -------------------------------------------------------------------------
void cpExtensions::QT::QuadSplitter::
addWidgets( QWidget* a, QWidget* b, QWidget* c, QWidget* d )
{
  this->m_Upper.addWidget( a );
  this->m_Upper.addWidget( b );
  this->m_Bottom.addWidget( c );
  this->m_Bottom.addWidget( d );
}

// -------------------------------------------------------------------------
void cpExtensions::QT::QuadSplitter::
_SyncBottom( int a, int b )
{
  this->m_Bottom.setSizes( this->m_Upper.sizes( ) );
}

// -------------------------------------------------------------------------
void cpExtensions::QT::QuadSplitter::
_SyncUpper( int a, int b )
{
  this->m_Upper.setSizes( this->m_Bottom.sizes( ) );
}

#endif // cpExtensions_Interface_QT4

// eof - $RCSfile$