KritaPlatformPluginWayland.cpp

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/*
 *  SPDX-FileCopyrightText: 2025 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include <kpluginfactory.h>
 
#include <kis_assert.h>
 
#include <KisExtendedModifiersMapperWayland.h>
 
#include <config-use-surface-color-management-api.h>
 
#if KRITA_USE_SURFACE_COLOR_MANAGEMENT_API
 
#include <waylandcolormanagement/KisWaylandSurfaceColorManager.h>
#include <waylandcolormanagement/KisWaylandOutputColorInfo.h>
#include <surfacecolormanagement/KisSurfaceColorManagementInfo.h>
#include <waylandcolormanagement/KisWaylandDebugInfoFetcher.h>
 
#include <QWindow>
 
namespace detail {
 
// just a simple wrapper that unpacks arguments from a QVariantList into
// a proper interface for KisWaylandSurfaceColorManager
class KisWaylandSurfaceColorManagerWrapper: public KisWaylandSurfaceColorManager
{
public:
    KisWaylandSurfaceColorManagerWrapper(QObject *parent, const QVariantList &args)
        : KisWaylandSurfaceColorManager(args.first().value<QWindow*>(), parent)
    {
        KIS_SAFE_ASSERT_RECOVER_NOOP(args.size() == 1);
    }
};
 
} // namespace detail
 
class KisWaylandSurfaceColorManagementInfo : public KisSurfaceColorManagementInfo
{
    Q_OBJECT
public:
    using KisSurfaceColorManagementInfo::KisSurfaceColorManagementInfo;
    bool surfaceColorManagedByOS() override {
        return true;
    }
 
    QFuture<QString> debugReport() override {
        QPromise<QString> promise;
        promise.start();
 
        std::shared_ptr<KisWaylandDebugInfoFetcher> infoFetcher(new KisWaylandDebugInfoFetcher());
 
        if (infoFetcher->isReady()) {
            promise.addResult(infoFetcher->report());
            promise.finish();
 
            return promise.future();
        } else {
            // wrap the info fetcher into the resulting lambda
            QFuture<QString> result = promise.future().then(
                [infoFetcher] (const QString &report) {
                    // a simple wrapping class that holds the fetcher until the
                    // result is reported or the future is destroyed
                    return report;
            });
 
            // move the promise into the handler of its completion signal
            connect(infoFetcher.get(), &KisWaylandDebugInfoFetcher::sigDebugInfoReady,
                    infoFetcher.get(), [promise = std::move(promise)] (const QString &report) mutable {
                        promise.addResult(report);
                        promise.finish();
                    });
 
            return result;
        }
    }
};
 
#endif /* KRITA_USE_SURFACE_COLOR_MANAGEMENT_API */
 
K_PLUGIN_FACTORY_WITH_JSON(KritaPlatformPluginWaylandFactory, "kritaplatformwayland.json",
    (
        registerPlugin<KisExtendedModifiersMapperWayland>()
#if KRITA_USE_SURFACE_COLOR_MANAGEMENT_API
        , registerPlugin<detail::KisWaylandSurfaceColorManagerWrapper>()
        , registerPlugin<KisWaylandOutputColorInfo>()
        , registerPlugin<KisWaylandSurfaceColorManagementInfo>()
#endif /* KRITA_USE_SURFACE_COLOR_MANAGEMENT_API */
    );)
 
#if KRITA_USE_SURFACE_COLOR_MANAGEMENT_API
// for detail::KisWaylandSurfaceColorManagerWrapper
#include <KritaPlatformPluginWayland.moc>
#endif /* KRITA_USE_SURFACE_COLOR_MANAGEMENT_API */