File indexing completed on 2024-05-12 15:27:38

 /***************************************************************************
     File                 : SpreadsheetItemDelegate.cpp
     Project              : LabPlot
     --------------------------------------------------------------------
     Copyright            : (C) 2007 by Tilman Benkert (thzs@gmx.net)
     Copyright            : (C) 2010-2020 by Alexander Semke (alexander.semke@web.de)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  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, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 #include "SpreadsheetItemDelegate.h"
 #include "backend/spreadsheet/SpreadsheetModel.h"
 
 #include <QAbstractItemModel>
 #include <QKeyEvent>
 #include <QMetaProperty>
 #include <QPainter>
 
 /*!
 \class SpreadsheetItemDelegate
 \brief Item delegate for SpreadsheetView.
 
 Overides QItemDelegate::paint() and provides shaded representation
 of masked cells used in SpreadsheetView.
 
 \ingroup commonfrontend
 */
 
 SpreadsheetItemDelegate::SpreadsheetItemDelegate(QObject* parent) : QItemDelegate(parent) {
     installEventFilter(this);
 }
 
 void SpreadsheetItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
         const QModelIndex& index) const {
 
     QItemDelegate::paint(painter, option, index);
     if (!index.data(static_cast<int>(SpreadsheetModel::CustomDataRole::MaskingRole)).toBool())
         return;
 
     painter->save();
     painter->fillRect(option.rect, QBrush(m_maskingColor, Qt::BDiagPattern));
     painter->restore();
 }
 
 void SpreadsheetItemDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index ) const {
     model->setData(index, editor->metaObject()->userProperty().read(editor), Qt::EditRole);
 }
 
 void SpreadsheetItemDelegate::setEditorData(QWidget* editor, const QModelIndex& index ) const {
     editor->metaObject()->userProperty().write(editor, index.data(Qt::EditRole));
 }
 
 bool SpreadsheetItemDelegate::eventFilter(QObject* editor, QEvent* event) {
     if (event->type() == QEvent::KeyPress) {
         auto* keyEvent = static_cast<QKeyEvent*>(event);
         if (keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter) {
             emit commitData((QWidget*)editor);
             emit closeEditor((QWidget*)editor, QAbstractItemDelegate::NoHint);
             emit returnPressed();
             return true;
         }
     } else if (event->type() == QEvent::InputMethodQuery) {
         emit editorEntered();
         return true;
     }
 
     return QItemDelegate::eventFilter(editor, event);
 }