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/*
This file is part of the KDE project
SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#ifndef BACKGROUNDCOLORHELPER_H
#define BACKGROUNDCOLORHELPER_H
#include <QColor>
#include <QPointer>
#include <memory>
class QWidget;
namespace SelectionMode
{
/**
* @brief A Singleton class for managing the colors of selection mode widgets.
*/
class BackgroundColorHelper
{
public:
static BackgroundColorHelper *instance();
/**
* Changes the background color of @p widget to a distinct color scheme matching color which makes it clear that the widget belongs to the selection mode.
*/
void controlBackgroundColor(QWidget *widget);
private:
BackgroundColorHelper();
void slotPaletteChanged();
void updateBackgroundColor();
private:
std::vector<QPointer<QWidget>> m_colorControlledWidgets;
QColor m_backgroundColor;
static BackgroundColorHelper *s_instance;
};
}
#endif // BACKGROUNDCOLORHELPER_H
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