Initial implementation of Spreadsheet module (C++ version) by Eivind Kvedalen.

Various fixes for Windows by
Peter Lama <peterldev94@gmail.com>
Werner Mayer <wmayer@users.sourceforge.net>

src/Mod/Spreadsheet/Gui/SpreadsheetDelegate.cpp

@@ -0,0 +1,79 @@
+/***************************************************************************
+ *   Copyright (c) 2015 Eivind Kvedalen (eivind@kvedalen.name)             *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This file is based on the Qt spreadsheet example code.                *
+ *                                                                         *
+ *   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 2.1 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., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "SpreadsheetDelegate.h"
+#include <QItemDelegate>
+#include <QLineEdit>
+
+using namespace SpreadsheetGui;
+
+SpreadsheetDelegate::SpreadsheetDelegate(QWidget *parent) :
+    QItemDelegate(parent)
+{
+}
+
+QWidget *SpreadsheetDelegate::createEditor(QWidget *parent,
+                                          const QStyleOptionViewItem &,
+                                          const QModelIndex &index) const
+{
+    QLineEdit *editor = new QLineEdit(parent);
+
+    connect(editor, SIGNAL(returnPressed()), this, SLOT(commitAndCloseEditor()));
+    return editor;
+}
+
+void SpreadsheetDelegate::commitAndCloseEditor()
+{
+    QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
+    emit commitData(editor);
+    emit closeEditor(editor);
+}
+
+void SpreadsheetDelegate::setEditorData(QWidget *editor,
+    const QModelIndex &index) const
+{
+    QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
+    if (edit) {
+        edit->setText(index.model()->data(index, Qt::EditRole).toString());
+        return;
+    }
+}
+
+void SpreadsheetDelegate::setModelData(QWidget *editor,
+    QAbstractItemModel *model, const QModelIndex &index) const
+{
+    QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
+    if (edit) {
+        model->setData(index, edit->text());
+        return;
+    }
+}
+
+QSize SpreadsheetDelegate::sizeHint( const QStyleOptionViewItem & option, const QModelIndex & index ) const
+{
+    return QSize();
+}
+
+#include "moc_SpreadsheetDelegate.cpp"
+