Release focus from filterFolderLineEdit on returnPressed

src/folder/foldertreewidget.cpp

@@ -121,6 +121,7 @@ FolderTreeWidget::FolderTreeWidget(QWidget *parent,
 
     if ((options & UseLineEditForFiltering)) {
         connect(d->filterFolderLineEdit, &QLineEdit::textChanged, this, &FolderTreeWidget::slotFilterFixedString);
+        connect(d->filterFolderLineEdit, &QLineEdit::returnPressed, this, &FolderTreeWidget::focusTreeView);
         d->label->hide();
     } else {
         d->filterFolderLineEdit->hide();
@@ -130,6 +131,12 @@ FolderTreeWidget::FolderTreeWidget(QWidget *parent,
 
 FolderTreeWidget::~FolderTreeWidget() = default;
 
+void FolderTreeWidget::focusTreeView()
+{
+    d->filterFolderLineEdit->clear();
+    d->folderTreeView->setFocus();
+}
+
 void FolderTreeWidget::slotFilterFixedString(const QString &text)
 {
     delete d->saver;

src/folder/foldertreewidget.h

@@ -108,6 +108,9 @@ public:
 
     void restoreHeaderState(const QByteArray &data);
 
+public Q_SLOTS:
+    void focusTreeView();
+
 protected:
     void changeToolTipsPolicyConfig(ToolTipDisplayPolicy);