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-/*
- This file is part of the Nepomuk KDE project.
- Copyright (C) 2007 Sebastian Trueg <[email protected]>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License version 2 as published by the Free Software Foundation.
-
- 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 _NEPOMUK_RATING_PAINTER_H_
-#define _NEPOMUK_RATING_PAINTER_H_
-
-class QPainter;
-
-#include <QtCore/QRect>
-#include <QtCore/QPoint>
-
-#include <kicon.h>
-
-
-namespace Nepomuk {
- /**
- * Utility class that draws a row of stars for a rating value.
- */
- class RatingPainter
- {
- public:
- /**
- * Create a new RatingPainter.
- * Normally the static methods should be sufficient.
- */
- RatingPainter();
- ~RatingPainter();
-
- int maxRating() const;
- bool halfStepsEnabled() const;
- Qt::Alignment alignment() const;
- Qt::LayoutDirection direction() const;
- KIcon icon() const;
- QPixmap customPixmap() const;
-
- /**
- * The maximum rating. Defaults to 10.
- */
- void setMaxRating( int max );
-
- /**
- * If half steps are enabled (the default) then
- * one rating step corresponds to half a star.
- */
- void setHalfStepsEnabled( bool enabled );
-
- /**
- * The alignment of the stars in the drawing rect.
- * All alignment flags are supported.
- */
- void setAlignment( Qt::Alignment align );
-
- /**
- * LTR or RTL
- */
- void setLayoutDirection( Qt::LayoutDirection direction );
-
- /**
- * Set a custom icon. Defaults to "rating".
- */
- void setIcon( const KIcon& icon );
-
- /**
- * Set a custom pixmap.
- */
- void setCustomPixmap( const QPixmap& pixmap );
-
- /**
- * Draw the rating into the configured rect.
- */
- void draw( QPainter* painter, const QRect& rect, int rating, int hoverRating = -1 );
-
- /**
- * Calculate the rating value from mouse position pos.
- *
- * \return The rating corresponding to pos or -1 if pos is
- * outside of the configured rect.
- */
- int fromPosition( const QRect& rect, const QPoint& pos );
-
- /**
- * Convenience method that draws a rating into the given rect.
- *
- * LayoutDirection is read from QPainter.
- *
- * \param align can be aligned vertically and horizontally. Using Qt::AlignJustify will insert spacing
- * between the stars.
- */
- static void drawRating( QPainter* p, const QRect& rect, Qt::Alignment align, int rating, int hoverRating = -1 );
-
- /**
- * Get the rating that would be selected if the user clicked position pos
- * within rect if the rating has been drawn with drawRating() using the same
- * rect and align values.
- *
- * \return The new rating or -1 if pos is outside of the rating area.
- */
- static int getRatingFromPosition( const QRect& rect, Qt::Alignment align, Qt::LayoutDirection direction, const QPoint& pos );
-
- private:
- class Private;
- Private* const d;
- };
-}
-
-#endif