qt5base-lts/tests/auto/platformquirks.h

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#ifndef PLATFORMQUIRKS_H
#define PLATFORMQUIRKS_H

#include <qglobal.h>

#ifdef QT_GUI_LIB
#include <qapplication.h>
#endif

#ifdef Q_WS_X11
#include <private/qt_x11_p.h>
#endif

struct PlatformQuirks
{
    enum MediaFileTypes
    {
        mp3,
        wav,
        ogg
    };

    /* On some platforms, libpng or libjpeg sacrifice precision for speed.
       Esp. with NEON support, color values after decoding can be off by up
       to three bytes.
     */
    static inline bool isImageLoaderImprecise()
    {
#if defined(Q_WS_X11)
        // ### this is a very bad assumption, we should really check the version of libjpeg
        return X11->desktopEnvironment == DE_MEEGO_COMPOSITOR;
#else
        return false;
#endif
    }

    /* Some windowing systems automatically maximize apps on startup (e.g. Maemo)
       "Normal" fixed-sized windows do not work, the WM ignores their size settings.
    */
    static inline bool isAutoMaximizing()
    {
#if defined(Q_WS_X11)
        return X11->desktopEnvironment == DE_MEEGO_COMPOSITOR;
#else
        return false;
#endif
    }

    static inline bool haveMouseCursor()
    {
#if defined(Q_WS_X11)
        return X11->desktopEnvironment != DE_MEEGO_COMPOSITOR;
#else
        return true;
#endif
    }

    /* On some systems an ogg codec is not installed by default.
    The autotests have to know which fileType is the default on the system*/
    static inline MediaFileTypes defaultMediaFileType()
    {
#ifdef Q_WS_X11
        // ### very bad assumption
        if (X11->desktopEnvironment == DE_MEEGO_COMPOSITOR)
            return PlatformQuirks::mp3;
#endif
        return PlatformQuirks::ogg;
    }
};

#endif