1 files changed, 67 insertions, 0 deletions
diff --git a/src/search/widgetmenu.cpp b/src/search/widgetmenu.cpp
new file mode 100644
index 000000000..701a0ce9c
--- /dev/null
+++ b/src/search/widgetmenu.cpp
@@ -0,0 +1,67 @@
+/*
+    SPDX-FileCopyrightText: 2025 Felix Ernst <[email protected]>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "widgetmenu.h"
+
+#include <QApplication>
+#include <QShowEvent>
+#include <QWidgetAction>
+
+using namespace Search;
+
+Search::WidgetMenu::WidgetMenu(QWidget *parent)
+    : QMenu{parent}
+{
+    connect(
+        this,
+        &QMenu::aboutToShow,
+        this,
+        [this]() {
+            auto widgetAction = new QWidgetAction{this};
+            auto widget = init();
+            Q_CHECK_PTR(widget);
+            widgetAction->setDefaultWidget(widget); // Transfers ownership to the widgetAction.
+            addAction(widgetAction);
+        },
+        Qt::SingleShotConnection);
+}
+
+bool WidgetMenu::focusNextPrevChild(bool next)
+{
+    return QWidget::focusNextPrevChild(next);
+}
+
+void WidgetMenu::mouseReleaseEvent(QMouseEvent *event)
+{
+    return QWidget::mouseReleaseEvent(event);
+}
+
+void WidgetMenu::resizeToFitContents()
+{
+    auto *widgetAction = static_cast<QWidgetAction *>(actions().first());
+    auto focusedChildWidget = QApplication::focusWidget();
+    if (!widgetAction->defaultWidget()->isAncestorOf(focusedChildWidget)) {
+        focusedChildWidget = nullptr;
+    }
+
+    // Removing and readding the widget triggers the resize.
+    removeAction(widgetAction);
+    addAction(widgetAction);
+
+    // The previous removing and readding removed the focus from any child widgets. We return the focus to where it was.
+    if (focusedChildWidget) {
+        focusedChildWidget->setFocus();
+    }
+}
+
+void WidgetMenu::showEvent(QShowEvent *event)
+{
+    if (!event->spontaneous()) {
+        auto widgetAction = static_cast<QWidgetAction *>(actions().first());
+        widgetAction->defaultWidget()->setFocus();
+    }
+    QMenu::showEvent(event);
+}