kselector.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.
*/
//-----------------------------------------------------------------------------
// Selector widgets for KDE Color Selector, but probably useful for other
// stuff also.

#ifndef KSELECTOR_H
#define KSELECTOR_H

#include <kdeui_export.h>

#include <QtGui/QAbstractSlider>
#include <QtGui/QGradient>
#include <QtGui/QWidget>

class KDEUI_EXPORT KSelector : public QAbstractSlider
{
  Q_OBJECT
  Q_PROPERTY( int value READ value WRITE setValue )
  Q_PROPERTY( int minValue READ minimum WRITE setMinimum )
  Q_PROPERTY( int maxValue READ maximum WRITE setMaximum )
  Q_PROPERTY( bool indent READ indent WRITE setIndent )
  Q_PROPERTY( Qt::ArrowType arrowDirection READ arrowDirection WRITE setArrowDirection )
public:

  explicit KSelector( QWidget *parent=0 );
  explicit KSelector( Qt::Orientation o, QWidget *parent = 0 );
  /*
   * Destructs the widget.
   */
  ~KSelector();

  QRect contentsRect() const;

  void setIndent( bool i );

  bool indent() const;

  void setArrowDirection( Qt::ArrowType direction );

  Qt::ArrowType arrowDirection() const;

protected:
  virtual void drawContents( QPainter * );
  virtual void drawArrow( QPainter *painter, const QPoint &pos );

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

private:
  QPoint calcArrowPos( int val );
  void moveArrow( const QPoint &pos );

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


class KDEUI_EXPORT KGradientSelector : public KSelector
{
  Q_OBJECT

  Q_PROPERTY( QColor firstColor READ firstColor WRITE setFirstColor )
  Q_PROPERTY( QColor secondColor READ secondColor WRITE setSecondColor )
  Q_PROPERTY( QString firstText READ firstText WRITE setFirstText )
  Q_PROPERTY( QString secondText READ secondText WRITE setSecondText )

public:
  explicit KGradientSelector( QWidget *parent=0 );
  explicit KGradientSelector( Qt::Orientation o, QWidget *parent=0 );
  ~KGradientSelector();

  void setStops(const QGradientStops &stops);

  QGradientStops stops() const;

  void setColors( const QColor &col1, const QColor &col2 );
  void setText( const QString &t1, const QString &t2 );

  void setFirstColor( const QColor &col );
  void setSecondColor( const QColor &col );

  void setFirstText( const QString &t );
  void setSecondText( const QString &t );

  QColor firstColor() const;
  QColor secondColor() const;

  QString firstText() const;
  QString secondText() const;

protected:

  virtual void drawContents( QPainter * );
  virtual QSize minimumSize() const;

private:
  class KGradientSelectorPrivate;
  friend class KGradientSelectorPrivate;
  KGradientSelectorPrivate * const d;
  
  Q_DISABLE_COPY(KGradientSelector)
};

#endif      // KSELECTOR_H