ecvQtHelpers.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Qt
#include <QAbstractButton>
#include <QThread>
 
class ccQtHelpers {
public:
    inline static void SetButtonColor(QAbstractButton* button,
                                      const QColor& col) {
        if (button)
            button->setStyleSheet(
                    QString("* { background-color: rgb(%1,%2,%3) }")
                            .arg(col.red())
                            .arg(col.green())
                            .arg(col.blue()));
    }
 
    static int GetMaxThreadCount(int idealThreadCount) {
        if (idealThreadCount <= 4) {
            return idealThreadCount;
        } else if (idealThreadCount <= 8) {
            return idealThreadCount - 1;
        } else {
            return idealThreadCount - 2;
        }
    }
 
    static int GetMaxThreadCount() {
        return GetMaxThreadCount(QThread::idealThreadCount());
    }
};