File indexing completed on 2024-05-05 04:48:42

 /****************************************************************************************
  * Copyright (c) 2009 Téo Mrnjavac <teo@kde.org>                                        *
  *                                                                                      *
  * This program 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 program 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/>.                           *
  ****************************************************************************************/
 
 #ifndef PLAYLISTBREADCRUMBITEMSORTBUTTON_H
 #define PLAYLISTBREADCRUMBITEMSORTBUTTON_H
 
 #include "widgets/BreadcrumbItemButton.h"
 
 #include <QRect>
 
 namespace Playlist
 {
 
 /**
  * A button that implements the non-menu part of the playlist breadcrumb item.
  * @author Téo Mrnjavac <teo@kde.org>
  */
 class BreadcrumbItemSortButton : public BreadcrumbItemButton
 {
     Q_OBJECT
 
 public:
     /**
      * Constructor.
      * @param parent the parent QWidget.
      */
     explicit BreadcrumbItemSortButton( QWidget *parent );
 
     /**
      * Constructor, nontrivial.
      * @param icon the icon to paint on the button.
      * @param text the text to show on the button.
      * @param parent the parent QWidget.
      */
     BreadcrumbItemSortButton( const QIcon &icon, const QString &text, QWidget *parent );
 
     /**
      * Destructor.
      */
     ~BreadcrumbItemSortButton() override;
 
     /**
      * Returns the recommended size for the button depending on the contents.
      * @return the recommended size.
      */
     QSize sizeHint() const override;
 
     /**
      * Returns the state of the sort order defined by the order inversion arrow.
      * @return the sort order.
      */
     Qt::SortOrder orderState() const;
 
     /**
      * Flips the Qt::SortOrder.
      */
     void invertOrder();
 
 Q_SIGNALS:
     /**
      * Emitted when the order inversion arrow has been toggled.
      * @p sortOrder the new sort order based on the position of the arrow.
      */
     void arrowToggled( Qt::SortOrder );
 
 protected:
     /**
      * Repaints the widget.
      * @param event the triggered QPaintEvent as provided by Qt.
      */
     void paintEvent( QPaintEvent *event ) override;
 
     /**
      * Checks if the mouse is hovering the arrow rectangle.
      * @param e the triggered QMouseEvent as provided by Qt.
      */
     void mouseMoveEvent( QMouseEvent *e ) override;
 
     /**
      * Handles the beginning of a mouse click.
      * @param e the triggered QMouseEvent as provided by Qt.
      */
     void mousePressEvent( QMouseEvent *e ) override;
 
     /**
      * Handles the release of the mouse button which completes a click action.
      * @param e the triggered QMouseEvent as provided by Qt.
      */
     void mouseReleaseEvent( QMouseEvent *e ) override;
 
     /**
      * Reimplemented from BreadcrumbItemButton, handles the painting of the widget's
      * background, used by paintEvent().
      * @param painter the QPainter object used by paintEvent().
      */
     void drawHoverBackground( QPainter *painter ) override;
 
 private:
     /**
      * Common initialization method, called by every constructor.
      */
     void init();
     Qt::SortOrder m_order;
     QRect m_arrowRect;      //!< the QRect that contains the order inversion arrow primitive.
     QPoint m_pressedPos;    //!< the position of the last mousePressEvent, for handling clicks.
     bool m_arrowPressed;
     bool m_arrowHovered;    //!< is the arrow rect hovered?
     int m_arrowWidth;
     int m_arrowHeight;
 };
 
 }   //namespace Playlist
 
 #endif //PLAYLISTBREADCRUMBITEMSORTBUTTON_H