OverlayStackLayout.h

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/*
  OverlayStackLayout
  https://github.com/mpaperno/maxLibQt

  COPYRIGHT: (c)2019 Maxim Paperno; All Right Reserved.
  Contact: http://www.WorldDesign.com/contact

  LICENSE:

  Commercial License Usage
  Licensees holding valid commercial licenses may use this file in
  accordance with the terms contained in a written agreement between
  you and the copyright holder.

  GNU General Public License Usage
  Alternatively, this file may be used under the terms of the GNU
  General Public License as published by the Free Software Foundation,
  either version 3 of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  A copy of the GNU General Public License is available at <http://www.gnu.org/licenses/>.
*/

#ifndef OVERLAYSTACKLAYOUT_H
#define OVERLAYSTACKLAYOUT_H

#include <QStackedLayout>

class OverlayStackLayout : public QStackedLayout
{
    Q_OBJECT
  public:
    explicit OverlayStackLayout(QWidget *parent = nullptr);
    explicit OverlayStackLayout(QLayout *parentLayout);

    int insertWidget(int index, QWidget *widget, Qt::Alignment alignment);
    int insertWidget(int index, QWidget *widget, Qt::Alignment alignment, const QPoint &offset);
    using QStackedLayout::insertWidget;
    int addWidget(QWidget *widget, Qt::Alignment alignment);
    int addWidget(QWidget *widget, Qt::Alignment alignment, const QPoint &offset);
    using QStackedLayout::addWidget;

    void setGeometry(const QRect &geo) override;

  public slots:
    void setOffset(QWidget *widget, const QPoint &offset) const;
    void setSenderOffset(const QPoint &offset) const;
    void setSenderAlignment(Qt::Alignment align);

    void setStackingMode(StackingMode mode);

  private slots:
    void doLayout() const;

  private:
    Q_DISABLE_COPY(OverlayStackLayout)
};

inline
int OverlayStackLayout::addWidget(QWidget *widget, Qt::Alignment alignment)
{
  return insertWidget(count(), widget, alignment);
}

inline
int OverlayStackLayout::addWidget(QWidget *widget, Qt::Alignment alignment, const QPoint &offset)
{
  return insertWidget(count(), widget, alignment, offset);
}

#endif  // OVERLAYSTACKLAYOUT_H