File indexing completed on 2025-02-23 04:34:23

 /**
  * \file frameitemdelegate.h
  * Delegate for table widget items.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 01 May 2011
  *
  * Copyright (C) 2011-2024  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 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.
  *
  * Kid3 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/>.
  */
 
 #pragma once
 
 #include <QItemDelegate>
 
 class GenreModel;
 
 /**
  * Delegate for table widget items.
  */
 class FrameItemDelegate : public QItemDelegate {
   Q_OBJECT
 public:
   /**
    * Constructor.
    * @param genreModel genre model
    * @param parent parent QTableView
    */
   explicit FrameItemDelegate(GenreModel* genreModel, QObject* parent = nullptr);
 
   /**
    * Destructor.
    */
   ~FrameItemDelegate() override = default;
 
   /**
    * Render delegate.
    * @param painter painter to be used
    * @param option style
    * @param index index of item
    */
   void paint(QPainter* painter, const QStyleOptionViewItem& option,
              const QModelIndex& index) const override;
 
   /**
    * Get size needed by delegate.
    * @param option style
    * @param index  index of item
    * @return size needed by delegate.
    */
   QSize sizeHint(const QStyleOptionViewItem& option,
                  const QModelIndex& index) const override;
 
   /**
    * Create an editor to edit the cells contents.
    * @param parent parent widget
    * @param option style
    * @param index  index of item
    * @return combo box editor widget.
    */
   QWidget* createEditor(
     QWidget* parent, const QStyleOptionViewItem& option,
     const QModelIndex& index) const override;
 
   /**
    * Set data to be edited by the editor.
    * @param editor editor widget
    * @param index  index of item
    */
   void setEditorData(QWidget* editor, const QModelIndex& index) const override;
 
   /**
    * Set model data supplied by editor.
    * @param editor editor widget
    * @param model  model
    * @param index  index of item
    */
   void setModelData(
     QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const override;
 
 private slots:
   /**
    * Format text if enabled.
    * @param txt text to format and set in line edit
    */
   void formatTextIfEnabled(const QString& txt);
 
   /**
    * Commit data and close the editor.
    */
   void commitAndCloseEditor();
 
 private:
   GenreModel* m_genreModel;
   QValidator* m_trackNumberValidator;
   QValidator* m_dateTimeValidator;
 };
 
 /**
  * Editor for star rating.
  */
 class StarEditor : public QWidget {
   Q_OBJECT
 public:
   /**
    * Constructor.
    * @param parent parent widget
    */
   explicit StarEditor(QWidget* parent = nullptr);
 
   /**
    * Get size needed by editor.
    * @return size needed by editor.
    */
   QSize sizeHint() const override;
 
   /**
    * Set star rating.
    * @param starCount number of stars
    */
   void setStarCount(int starCount);
 
   /**
    * Get star rating.
    * @return number of stars.
    */
   int starCount() const { return m_starCount; }
 
   /**
    * Check if the star rating has been modified in the editor since it has been
    * set using setStarCount().
    * @return true if rating modified in editor.
    */
   bool isStarCountEdited() const { return m_starCountEdited; }
 
 signals:
   /**
    * Emitted when editing is finished.
    */
   void editingFinished();
 
 protected:
   /**
    * Called when widget is painted.
    * @param event paint event
    */
   void paintEvent(QPaintEvent* event) override;
 
   /**
    * Called when the mouse is moved inside the widget.
    * @param event mouse event
    */
   void mouseMoveEvent(QMouseEvent* event) override;
 
   /**
    * Called when the mouse is released inside the widget.
    * @param event mouse event
    */
   void mouseReleaseEvent(QMouseEvent* event) override;
 
   /**
    * Called when a key is pressed while the widget has focus.
    * @param event key event
    */
   void keyPressEvent(QKeyEvent* event) override;
 
 private:
   int starAtPosition(int x);
   void modifyStarCount(int starCount);
 
   int m_starCount;
   int m_paintedStarCount;
   bool m_starCountEdited;
 };