qt-everywhere-src-5.15.1/qtbase/src/testlib/qtesthelpers_p.h

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#ifndef QTESTHELPERS_P_H
#define QTESTHELPERS_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.
//

#include <QtCore/QFile>
#include <QtCore/QString>
#include <QtCore/QChar>
#include <QtCore/QPoint>

#ifdef QT_GUI_LIB
#include <QtGui/QGuiApplication>
#include <QtGui/QScreen>
#endif

#ifdef QT_WIDGETS_LIB
#include <QtWidgets/QWidget>
#endif

QT_BEGIN_NAMESPACE

namespace QTestPrivate {

static inline bool canHandleUnicodeFileNames()
{
#if defined(Q_OS_WIN)
    return true;
#else
    // Check for UTF-8 by converting the Euro symbol (see tst_utf8)
    return QFile::encodeName(QString(QChar(0x20AC))) == QByteArrayLiteral("\342\202\254");
#endif
}

#ifdef QT_WIDGETS_LIB
static inline void centerOnScreen(QWidget *w, const QSize &size)
{
    const QPoint offset = QPoint(size.width() / 2, size.height() / 2);
    w->move(QGuiApplication::primaryScreen()->availableGeometry().center() - offset);
}

static inline void centerOnScreen(QWidget *w)
{
    centerOnScreen(w, w->geometry().size());
}

/*! \internal

    Make a widget frameless to prevent size constraints of title bars from interfering (Windows).
*/
static inline void setFrameless(QWidget *w)
{
    Qt::WindowFlags flags = w->windowFlags();
    flags |= Qt::FramelessWindowHint;
    flags &= ~(Qt::WindowTitleHint | Qt::WindowSystemMenuHint
             | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
    w->setWindowFlags(flags);
}
#endif // QT_WIDGETS_LIB

} // namespace QTestPrivate

QT_END_NAMESPACE

#endif // QTESTHELPERS_P_H