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** Copyright (C) 2002 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
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** This file is part of Qt 3D Studio.
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#include "Qt3DSCommonPrecompile.h"
#include "CColor.h"
#include "SystemPreferences.h"

#include <QtWidgets/qapplication.h>
#include <QtGui/qpalette.h>

//=============================================================================
/**
 * Destructor
 */
CSystemPreferences::~CSystemPreferences()
{
}

//=============================================================================
/**
 * Retrieves the system preferred background color.  Example use would be for
 * the fill color of a button.
 */
QColor CSystemPreferences::GetSystemBackgroundColor()
{
    const auto palette = QApplication::palette();
    return palette.color(QPalette::Active, QPalette::Button);
}

//=============================================================================
/**
 * Returns the color used by the system to indicate that an item is selected.
 */
QColor CSystemPreferences::GetSelectedItemColor()
{
    const auto palette = QApplication::palette();
    return palette.color(QPalette::Active, QPalette::Highlight);
}

//=============================================================================
/**
 * Returns the color of selected text to be displayed on top of GetSelectedItemColor().
 */
QColor CSystemPreferences::GetSelectedTextColor()
{
    const auto palette = QApplication::palette();
    return palette.color(QPalette::Active, QPalette::HighlightedText);
}

//=============================================================================
/**
 * Supposed to get whether or not anti aliasing should be enabled for a specified
 * font size, but the Theme does not seem to include any data on it. If the
 * theme starts working in a later release of the OS then this should work.
 */
bool CSystemPreferences::IsFontAntiAliasing(float inFontSize)
{
    Q_UNUSED(inFontSize);
    return false;
}

//=============================================================================
/**
 * Scroll bars contain two arrows (up/down or left/right).  These can be located
 * on either end of the scroll bar, or located next to each other at one end.  On
 * Mac OS X, this is a system preference.
 * @return true if the scroll bar arrows should be next to each other, at one end of the scroll bar
 */
bool CSystemPreferences::AreScrollArrowsAdjacent()
{
    return false;
}