expanding_list_widget.h

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// MIT License
// 
// Copyright (c) 2019 Ruhr University Bochum, Chair for Embedded Security. All Rights reserved.
// Copyright (c) 2019 Marc Fyrbiak, Sebastian Wallat, Max Hoffmann ("ORIGINAL AUTHORS"). All rights reserved.
// Copyright (c) 2021 Max Planck Institute for Security and Privacy. All Rights reserved.
// Copyright (c) 2021 Jörn Langheinrich, Julian Speith, Nils Albartus, René Walendy, Simon Klix ("ORIGINAL AUTHORS"). All Rights reserved.
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#pragma once
 
#include <QScrollArea>
#include <QHash>
#include <QMap>
#include <QString>
#include <QList>
 
class QFrame;
class QVBoxLayout;
 
namespace hal
{
    class ExpandingListButton;
    class ExpandingListItem;
 
    class ExpandingListGroup : public QList<ExpandingListItem*>
    {
    public:
        bool mCollapsed;
        ExpandingListGroup() : mCollapsed(false) {;}
 
        void toggleCollapsed(ExpandingListButton* exceptSelected);
    };
 
    class ExpandingListWidget : public QScrollArea
    {
        Q_OBJECT
 
    public:
 
        ExpandingListWidget(QWidget* parent = nullptr);
 
        void appendItem(ExpandingListButton* button, const QString& groupName = QString());
 
        void selectButton(ExpandingListButton* button);
 
        void selectFirstItem();
 
        void selectItem(int index);
 
        void repolish();
 
        bool hasGroup(const QString& groupName) const;
 
        void clearSelected();
 
    Q_SIGNALS:
        void buttonSelected(ExpandingListButton* button);
 
    public Q_SLOTS:
 
        void handleClicked();
 
    private:
        QFrame* mContent;
        QVBoxLayout* mContentLayout;
        QFrame* mSpacer;
 
        QMap<QString,ExpandingListItem*> mItemMap;
 
        ExpandingListButton* mSelectedButton;
 
        int mItemWidth;
        int mOffset;
        QHash<QString,ExpandingListGroup> mButtonGroup;
    };
}