first commit, again.

src/items/xqitemdelegate.h

@@ -0,0 +1,58 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    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.
+
+***************************************************************************/
+
+
+#ifndef XQITEMDELEGATE_H
+#define XQITEMDELEGATE_H
+
+#include <QStyledItemDelegate>
+#include <xqappdata.h>
+
+class XQItem;
+class XQTreeTable;
+class XQViewModel;
+
+/**
+ * @brief A specialized QItemDelegate class to draw different XQItem styles.
+ */
+
+class XQItemDelegate : public QStyledItemDelegate
+{
+  Q_OBJECT
+
+public:
+
+  explicit XQItemDelegate(XQViewModel& modelView);
+
+  XQTreeTable* treeTable() const;
+  XQItem&     xqItemFromIndex( const QModelIndex& index ) const;
+
+  void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+  QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+  QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+  void setEditorData(QWidget *editor, const QModelIndex &index) const override;
+  void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
+  void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+
+protected:
+
+  void drawHeaderStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+  void drawProgressBarStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+  void drawComboBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+  void drawSpinBoxStyle(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+  XQViewModel& _modelView;
+
+};
+
+#endif // XQITEMDELEGATE_H