kxyselector.h

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/* This file is part of the KDE libraries
    Copyright (C) 1997 Martin Jones (mjones@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 as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    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.
*/

#ifndef KXYSELECTOR_H
#define KXYSELECTOR_H

#include <kdeui_export.h>

#include <QtGui/QWidget>
#include <QtGui/QPixmap>

class KDEUI_EXPORT KXYSelector : public QWidget
{
  Q_OBJECT
  Q_PROPERTY( int xValue READ xValue WRITE setXValue )
  Q_PROPERTY( int yValue READ yValue WRITE setYValue )

public:
  explicit KXYSelector( QWidget *parent=0 );
  ~KXYSelector();

  void setValues( int xPos, int yPos );

  void setXValue( int xPos );

  void setYValue( int yPos );

  void setRange( int minX, int minY, int maxX, int maxY );

  void setMarkerColor( const QColor &col );

  int xValue() const;
  int yValue() const;

  QRect contentsRect() const;

  virtual QSize minimumSizeHint() const;

Q_SIGNALS:
  void valueChanged( int x, int y );

protected:
  virtual void drawContents( QPainter * );

  virtual void drawMarker( QPainter *p, int xp, int yp );

  virtual void paintEvent( QPaintEvent *e );
  virtual void mousePressEvent( QMouseEvent *e );
  virtual void mouseMoveEvent( QMouseEvent *e );
  virtual void wheelEvent( QWheelEvent * );

  void valuesFromPosition( int x, int y, int& xVal, int& yVal ) const;

private:
  void setPosition( int xp, int yp );

private:
  class Private;
  friend class Private;
  Private * const d;
  
  Q_DISABLE_COPY(KXYSelector)
};

#endif /* KXYSELECTOR_H */