qquickstylehelper_p.h

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include <QtCore/qpoint.h>
#include <QtCore/qstring.h>
#include <QtGui/qpaintdevice.h>
#include <QtGui/qpolygon.h>
#include <QtCore/qstringbuilder.h>
#include <QtCore/private/qglobal_p.h>
#if QT_CONFIG(accessibility)
#include <QtGui/qaccessible.h>
#endif
 
#ifndef QSTYLEHELPER_P_H
#define QSTYLEHELPER_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
QT_BEGIN_NAMESPACE
 
class QObject;
class QPainter;
class QPixmap;
 
namespace QQC2 {
 
class QStyleOptionSlider;
class QStyleOption;
 
namespace QStyleHelper
{
    QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size);
 
    qreal dpi(const QStyleOption *option);
    qreal dpiScaled(qreal value, qreal dpi);
    qreal dpiScaled(qreal value, const QPaintDevice *device);
    qreal dpiScaled(qreal value, const QStyleOption *option);
 
    qreal angle(const QPointF &p1, const QPointF &p2);
    QPolygonF calcLines(const QStyleOptionSlider *dial);
    int calcBigLineSize(int radius);
    void drawDial(const QStyleOptionSlider *dial, QPainter *painter);
 
    void drawBorderPixmap(const QPixmap &pixmap, QPainter *painter, const QRect &rect,
                     int left = 0, int top = 0, int right = 0,
                     int bottom = 0);
 
#if QT_CONFIG(accessibility)
    bool isInstanceOf(QObject *obj, QAccessible::Role role);
    bool hasAncestor(QObject *obj, QAccessible::Role role);
#endif
    QColor backgroundColor(const QPalette &pal);
 
    enum WidgetSizePolicy { SizeLarge = 0, SizeSmall = 1, SizeMini = 2, SizeDefault = -1 };
    WidgetSizePolicy widgetSizePolicy(const QStyleOption *opt);
}
 
} // namespace QQC2
 
QT_END_NAMESPACE
 
#endif // QSTYLEHELPER_P_H