Jungfraujoch/viewer/widgets/CollapsibleSection.h

// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#pragma once

#include <QWidget>

class QToolButton;
class QLayout;

// A slim collapsible section: a clickable navy header with a coral accent rule and a chevron,
// over a content area that folds away. Used to keep the side and settings panels compact.
// Starts folded, so a panel opens as a list of headers and the user unfolds what they need.
class CollapsibleSection : public QWidget {
    Q_OBJECT
public:
    explicit CollapsibleSection(const QString &title, QWidget *parent = nullptr);
    void setContentLayout(QLayout *layout);
    void setExpanded(bool on);

private:
    QToolButton *header_;
    QWidget *content_;
};