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#ifndef GridLayout_h
#define GridLayout_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Counter.h"
#include <QGridLayout>
#include <QList>
class GridLayout: public QGridLayout, public Counter
{
public:
//* constructor
GridLayout( void ):
QGridLayout(),
Counter( "GridLayout" )
{}
//* column alignments
using AlignmentList = QList<Qt::Alignment>;
//*@name accessors
//@{
//* current row
int currentRow( void ) const
{ return row_; }
//* current column
int currentColumn( void ) const
{ return column_; }
//@}
//*@names modifiers
//@{
//* set columns
void setMaxCount( const int& maxCount )
{
maxCount_ = maxCount;
columnAlignments_.clear();
// initialize columnAlignments
for( int index = 0; index < maxCount; ++index )
{ columnAlignments_ << 0; }
}
//* set column alignment
void setColumnAlignment( const int& column, const Qt::Alignment alignment )
{ columnAlignments_[column] = alignment; }
//* set orientation
void setOrientation( const Qt::Orientation& orientation )
{ orientation_ = orientation; }
//* add widget
void addWidget( QWidget* widget, int row, int column, Qt::Alignment alignment = 0 )
{ GridLayout::addWidget( widget, row, column, 1, 1, alignment ); }
//* add widget
void addWidget ( QWidget * widget, int row, int column, int rowSpan, int columnSpan, Qt::Alignment alignment = 0 )
{
Q_ASSERT( rowSpan > 0 );
Q_ASSERT( columnSpan > 0 );
if( alignment == 0 && _boundCheck( column ) && columnSpan == 1 ) alignment = columnAlignments_[column];
QGridLayout::addWidget( widget, row, column, rowSpan, columnSpan, alignment );
setLocation( row+rowSpan-1, column+columnSpan-1 );
increment();
}
//* add widget
void addWidget( QWidget* widget, Qt::Alignment alignment = 0 )
{
Q_ASSERT( maxCount_ > 0 );
if( alignment == 0 && _boundCheck( column_ ) ) alignment = columnAlignments_[column_];
QGridLayout::addWidget( widget, row_, column_, alignment );
increment();
}
//* add layout
void addLayout( QLayout* layout, int row, int column, Qt::Alignment alignment = 0 )
{ GridLayout::addLayout( layout, row, column, 1, 1, alignment ); }
//* add layout
void addLayout( QLayout* layout, int row, int column, int rowSpan, int columnSpan, Qt::Alignment alignment = 0 )
{
Q_ASSERT( rowSpan > 0 );
Q_ASSERT( columnSpan > 0 );
if( alignment == 0 && _boundCheck( column ) && columnSpan == 1 ) alignment = columnAlignments_[column];
QGridLayout::addLayout( layout, row, column, rowSpan, columnSpan, alignment );
setLocation( row+rowSpan-1, column+columnSpan-1 );
increment();
}
//* add widget
void addLayout( QLayout* layout, Qt::Alignment alignment = 0 )
{
Q_ASSERT( maxCount_ > 0 );
if( alignment == 0 && _boundCheck( column_ ) ) alignment = columnAlignments_[column_];
QGridLayout::addLayout( layout, row_, column_, alignment );
increment();
}
//* increment from last position
void increment()
{
if( orientation_ == Qt::Vertical )
{
column_ ++;
if( column_ >= maxCount_ )
{
column_ = 0;
row_ ++;
}
} else {
row_++;
if( row_ >= maxCount_ )
{
row_ = 0;
column_++;
}
}
}
//* set current position in grid
void setLocation( const int& row, const int& column )
{ row_ = row; column_ = column; }
//@}
private:
//* bound check
bool _boundCheck( const int& column ) const
{ return column >= 0 && column < int( columnAlignments_.size() ); }
//* orientation
Qt::Orientation orientation_ = Qt::Vertical;
//* number of columns
int maxCount_ = 0;
//* column alignments
AlignmentList columnAlignments_;
//* current column
int column_ = 0;
//* current row
int row_ = 0;
};
#endif
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