QQuickTreeViewDelegate: implement edit delegates

This patch will implement a default edit delegate
for the TreeViewDelegates, for all our styles.

[ChangeLog][Controls] TreeViewDelegate got support
for editing nodes in the tree.

Change-Id: Iec5936e4439770586837daa3b8045482b75a15f2
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

3 files changed, 9 insertions, 0 deletions

diff --git a/tests/manual/treeview/sidebyside/data/treeview.qml b/tests/manual/treeview/sidebyside/data/treeview.qml
index fc5d102b2e..6c51b7c413 100644
--- a/tests/manual/treeview/sidebyside/data/treeview.qml
+++ b/tests/manual/treeview/sidebyside/data/treeview.qml
@@ -80,6 +80,8 @@ ApplicationWindow {
             anchors.topMargin: 100
             clip: true
 
+            selectionModel: ItemSelectionModel {}
+
             model: useFileSystemModel.checked ? fileSystemModel : testModel
             delegate: useCustomDelegate.checked ? customDelegate : treeViewDelegate
         }
diff --git a/tests/manual/treeview/sidebyside/testmodel.cpp b/tests/manual/treeview/sidebyside/testmodel.cpp
index f5c4f2ab04..3b70ea7ab5 100644
--- a/tests/manual/treeview/sidebyside/testmodel.cpp
+++ b/tests/manual/treeview/sidebyside/testmodel.cpp
@@ -162,3 +162,8 @@ bool TestModel::removeRows(int position, int count, const QModelIndex &parent)
     return true;
 }
 
+Qt::ItemFlags TestModel::flags(const QModelIndex &index) const
+{
+    Q_UNUSED(index)
+    return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
+}
diff --git a/tests/manual/treeview/sidebyside/testmodel.h b/tests/manual/treeview/sidebyside/testmodel.h
index 8dd7c81231..86007f0d7f 100644
--- a/tests/manual/treeview/sidebyside/testmodel.h
+++ b/tests/manual/treeview/sidebyside/testmodel.h
@@ -43,6 +43,8 @@ public:
     Q_INVOKABLE bool insertRows(int position, int count, const QModelIndex &parent) override;
     Q_INVOKABLE bool removeRows(int position, int count, const QModelIndex &parent) override;
 
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+
 private:
     QVector<TreeItem *> m_rootItems;
     int m_columnCount = 2;