source-tree refactoring

src/widgets/treewidget_p.h

@@ -0,0 +1,60 @@
+/*
+    QGL SceneTree
+    Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TREEWIDGET_H
+#define TREEWIDGET_H
+
+#include <QDebug>
+#include <QDropEvent>
+#include <QStyledItemDelegate>
+#include <QTimer>
+#include <QTreeWidget>
+
+class InternalMoveTreeWidget: public QTreeWidget {
+	Q_OBJECT
+
+public:
+	InternalMoveTreeWidget(QWidget * parent = 0): QTreeWidget(parent) {}
+
+protected:
+	virtual void dropEvent(QDropEvent * e) {
+		QList<QTreeWidgetItem *> sil = selectedItems();
+		if (sil.isEmpty()) return;
+		QTreeWidget::dropEvent(e);
+		foreach(QTreeWidgetItem * ti, sil) {
+			QTreeWidgetItem * ti_p = ti->parent();
+			if (!ti_p) ti_p = invisibleRootItem();
+			int ti_ppos = ti_p->indexOfChild(ti);
+			emit itemMoved(ti, ti_p, ti_ppos);
+		}
+	}
+
+signals:
+	void itemMoved(QTreeWidgetItem * item, QTreeWidgetItem * new_parent, int new_index);
+};
+
+
+class NoEditDelegate: public QStyledItemDelegate {
+public:
+	NoEditDelegate(QObject * parent = 0): QStyledItemDelegate(parent) {}
+	virtual QWidget * createEditor(QWidget * parent, const QStyleOptionViewItem & option, const QModelIndex & index) const {
+		return nullptr;
+	}
+};
+
+#endif // TREEWIDGET_H