Git: Enable renaming local branches by direct editing

Change-Id: I7edab94d949a6e48642f280af52fd156c803cafb
Reviewed-by: André Hartmann <aha_1980@gmx.de>

src/plugins/git/branchadddialog.h

@@ -26,13 +26,26 @@
 #pragma once
 
 #include <QDialog>
+#include <QItemDelegate>
 
 namespace Git {
 namespace Internal {
 
+class BranchModel;
 
 namespace Ui { class BranchAddDialog; }
 
+class BranchValidationDelegate : public QItemDelegate
+{
+public:
+    BranchValidationDelegate(QWidget *parent, BranchModel *model);
+    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
+                          const QModelIndex &index) const override;
+
+private:
+    BranchModel *m_model;
+};
+
 class BranchAddDialog : public QDialog
 {
     Q_OBJECT