CWidgetWheelEventBlocker.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
// Qt includes
#include <QtCore/QObject>
#include <QtCore/QSet>
#include <QtWidgets/QWidget>
 
 
namespace iwidgets
{
 
 
class CWidgetWheelEventBlocker: public QObject
{
 
public:
       enum AffectedWidgets
       {
              AW_SPIN_BOXES = 1 << 0,
 
              AW_COMBO_BOXES = 1 << 1,
              AW_SLIDERS = 1 << 2
       };
 
       CWidgetWheelEventBlocker(QWidget* parentPtr, int flags = AW_SPIN_BOXES | AW_COMBO_BOXES | AW_SLIDERS, bool setStrongFocusToAffectedWidgets = true);
 
protected:
       typedef QList<QObject*> ObjectPtrList;
 
       void FilterWidgets(ObjectPtrList& widgetPtrsList);
 
       // reimplemented (QObject)
       virtual bool eventFilter(QObject* objectPtr, QEvent* eventPtr) override;
 
private:
       void AddSupportedChildWidgets(QWidget& parentObject);
 
       void AcquireWidget(QWidget& widget);
 
private:
       int m_processingFlags;
       bool m_isSetStrongFocusToAffectedWidgets;
       QSet<QWidget*> m_filteredWidgets;
 
};
 
 
} // namespace iwidgets