Add mac blur view

SineStriker

2023-12-28 5bfd136473edc506b860177bf88626e35a5a1ba4

 src/core/contexts/cocoawindowcontext.mm

@@ -3,80 +3,280 @@
#include <objc/runtime.h>
#include <AppKit/AppKit.h>

#include <Cocoa/Cocoa.h>

#include <QtGui/QGuiApplication>

#include "qwkglobal_p.h"
#include "systemwindow_p.h"

namespace QWK {

    struct NSWindowProxy {
    struct NSWindowProxy;

    using ProxyList = QHash<WId, NSWindowProxy *>;
    Q_GLOBAL_STATIC(ProxyList, g_proxyList);

    using ProxyList2 = QHash<NSWindow *, NSWindowProxy *>;
    Q_GLOBAL_STATIC(ProxyList2, g_proxyIndexes);

}

struct QWK_NSWindowDelegate {
public:
    virtual ~QWK_NSWindowDelegate() = default;
    virtual void windowWillEnterFullScreen(){};
    virtual void windowDidEnterFullScreen(){};
    virtual void windowWillExitFullScreen(){};
    virtual void windowDidExitFullScreen(){};
    virtual void windowDidResize(){};
};

//
// Objective C++ Begin
//

@interface QWK_NSWindowObserver : NSObject {
}
@end

@implementation QWK_NSWindowObserver

- (id)init {
    self = [super init];
    if (self) {
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(windowWillEnterFullScreen:)
                                                     name:NSWindowWillEnterFullScreenNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(windowDidEnterFullScreen:)
                                                     name:NSWindowDidEnterFullScreenNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(windowWillExitFullScreen:)
                                                     name:NSWindowWillExitFullScreenNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(windowDidExitFullScreen:)
                                                     name:NSWindowDidExitFullScreenNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(windowDidResize:)
                                                     name:NSWindowDidResizeNotification
                                                   object:nil];
    }
    return self;
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    [super dealloc];
}

- (void)windowWillEnterFullScreen:(NSNotification *)notification {
    auto nswindow = reinterpret_cast<NSWindow *>(notification.object);
    if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) {
        reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowWillEnterFullScreen();
    }
}

- (void)windowDidEnterFullScreen:(NSNotification *)notification {
    auto nswindow = reinterpret_cast<NSWindow *>(notification.object);
    if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) {
        reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidEnterFullScreen();
    }
}

- (void)windowWillExitFullScreen:(NSNotification *)notification {
    auto nswindow = reinterpret_cast<NSWindow *>(notification.object);
    if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) {
        reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowWillExitFullScreen();
    }
}

- (void)windowDidExitFullScreen:(NSNotification *)notification {
    auto nswindow = reinterpret_cast<NSWindow *>(notification.object);
    if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) {
        reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidExitFullScreen();
    }
}

- (void)windowDidResize:(NSNotification *)notification {
    auto nswindow = reinterpret_cast<NSWindow *>(notification.object);
    if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) {
        reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidResize();
    }
}

@end

//
// Objective C++ End
//

namespace QWK {

    struct NSWindowProxy : public QWK_NSWindowDelegate {
        enum class BlurMode {
            Dark,
            Light,
            None,
        };

        NSWindowProxy(NSWindow *macWindow) {
            if (instances.contains(macWindow)) {
            nswindow = macWindow;
            g_proxyIndexes->insert(nswindow, this);
        }

        ~NSWindowProxy() override {
            if (blurEffect) {
                setBlurEffect(BlurMode::None);
            }
            g_proxyIndexes->remove(nswindow);
        }

        void windowWillEnterFullScreen() override {
        }

        void windowDidEnterFullScreen() override {
        }

        void windowWillExitFullScreen() override {
            if (systemButtonRect.isEmpty() || !systemButtonVisible)
                return;

            // The system buttons will stuck at their default positions when the exit-fullscreen
            // animation is running, we need to hide them until the animation finishes
            for (const auto &button : systemButtons()) {
                button.hidden = true;
            }
        }

        void windowDidExitFullScreen() override {
            if (systemButtonRect.isEmpty() || !systemButtonVisible)
                return;

            for (const auto &button : systemButtons()) {
                button.hidden = false;
            }
            updateSystemButtonRect();
        }

        void windowDidResize() override {
            if (blurEffect) {
                updateBlurEffectSize();
            }

            if (systemButtonRect.isEmpty() || !systemButtonVisible) {
                return;
            }
            nswindow = macWindow;
            instances.insert(macWindow, this);
            if (!windowClass) {
                windowClass = [nswindow class];
                replaceImplementations();
            updateSystemButtonRect();
        }

        void setSystemButtonVisible(bool visible) {
            systemButtonVisible = visible;
            for (const auto &button : systemButtons()) {
                button.hidden = !visible;
            }

            if (systemButtonRect.isEmpty() || !visible) {
                return;
            }
            updateSystemButtonRect();
        }

        void setSystemButtonRect(const QRect &rect) {
            systemButtonRect = rect;

            if (rect.isEmpty() || !systemButtonVisible) {
                return;
            }
            updateSystemButtonRect();
        }

        void updateSystemButtonRect() {
            // https://forgetsou.github.io/2020/11/06/macos%E5%BC%80%E5%8F%91-%E5%85%B3%E9%97%AD-%E6%9C%80%E5%B0%8F%E5%8C%96-%E5%85%A8%E5%B1%8F%E5%B1%85%E4%B8%AD%E5%A4%84%E7%90%86(%E4%BB%BFMac%20QQ)/

            const auto &buttons = systemButtons();
            const auto &leftButton = buttons[0];
            const auto &midButton = buttons[1];
            const auto &rightButton = buttons[2];

            auto spacing = midButton.frame.origin.x - leftButton.frame.origin.x;
            auto width = midButton.frame.size.width;
            auto height = midButton.frame.size.height;

            QPoint center = systemButtonRect.center();

            // Mid button
            NSPoint centerOrigin = {
                center.x() - width / 2,
                center.y() - height / 2,
            };
            [midButton setFrameOrigin:centerOrigin];

            // Left button
            NSPoint leftOrigin = {
                centerOrigin.x - spacing,
                centerOrigin.y,
            };
            [leftButton setFrameOrigin:leftOrigin];

            // Right button
            NSPoint rightOrigin = {
                centerOrigin.x + spacing,
                centerOrigin.y,
            };
            [rightButton setFrameOrigin:rightOrigin];
        }

        inline std::array<NSButton *, 3> systemButtons() {
            NSButton *closeBtn = [nswindow standardWindowButton:NSWindowCloseButton];
            NSButton *minimizeBtn = [nswindow standardWindowButton:NSWindowMiniaturizeButton];
            NSButton *zoomBtn = [nswindow standardWindowButton:NSWindowZoomButton];
            return {closeBtn, minimizeBtn, zoomBtn};
        }

        void setBlurEffect(BlurMode option) {
            if (option == BlurMode::None) {
                if (!blurEffect) {
                    return;
                }
                [blurEffect removeFromSuperview];
                [blurEffect release];
                blurEffect = nil;
            } else {
                if (!blurEffect) {
                    NSView *const view = [nswindow contentView];
                    NSVisualEffectView *const blurView =
                        [[visualEffectViewClass alloc] initWithFrame:view.bounds];
                    blurView.material = NSVisualEffectMaterialUnderWindowBackground;
                    blurView.blendingMode = NSVisualEffectBlendingModeBehindWindow;
                    blurView.state = NSVisualEffectStateFollowsWindowActiveState;

#if 1
                    const NSView *const parent = [view superview];
                    [parent addSubview:blurView positioned:NSWindowBelow relativeTo:view];
#endif

                    blurEffect = blurView;
                    updateBlurEffectSize();
                }

                auto view = static_cast<const NSVisualEffectView *>(blurEffect);
                if (option == BlurMode::Dark) {
                    view.appearance = [NSAppearance appearanceNamed:@"NSAppearanceNameVibrantDark"];
                } else {
                    view.appearance =
                        [NSAppearance appearanceNamed:@"NSAppearanceNameVibrantLight"];
                }
            }
        }

        ~NSWindowProxy() {
            instances.remove(nswindow);
            if (instances.count() <= 0) {
                restoreImplementations();
                windowClass = nil;
            }
            nswindow = nil;
        }

        void replaceImplementations() {
            Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:));
            oldSetStyleMask = reinterpret_cast<setStyleMaskPtr>(
                method_setImplementation(method, reinterpret_cast<IMP>(setStyleMask)));

            method =
                class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:));
            oldSetTitlebarAppearsTransparent =
                reinterpret_cast<setTitlebarAppearsTransparentPtr>(method_setImplementation(
                    method, reinterpret_cast<IMP>(setTitlebarAppearsTransparent)));

#if 0
            method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow));
            oldCanBecomeKeyWindow = reinterpret_cast<canBecomeKeyWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeKeyWindow)));

            method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow));
            oldCanBecomeMainWindow = reinterpret_cast<canBecomeMainWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeMainWindow)));
#endif

            method = class_getInstanceMethod(windowClass, @selector(sendEvent:));
            oldSendEvent = reinterpret_cast<sendEventPtr>(
                method_setImplementation(method, reinterpret_cast<IMP>(sendEvent)));
        }

        void restoreImplementations() {
            Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:));
            method_setImplementation(method, reinterpret_cast<IMP>(oldSetStyleMask));
            oldSetStyleMask = nil;

            method =
                class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:));
            method_setImplementation(method,
                                     reinterpret_cast<IMP>(oldSetTitlebarAppearsTransparent));
            oldSetTitlebarAppearsTransparent = nil;

#if 0
            method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow));
            method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeKeyWindow));
            oldCanBecomeKeyWindow = nil;

            method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow));
            method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeMainWindow));
            oldCanBecomeMainWindow = nil;
#endif

            method = class_getInstanceMethod(windowClass, @selector(sendEvent:));
            method_setImplementation(method, reinterpret_cast<IMP>(oldSendEvent));
            oldSendEvent = nil;
        void updateBlurEffectSize() {
            const NSView *const view = [nswindow contentView];
            blurEffect.frame = view.frame;
        }

        void setSystemTitleBarVisible(const bool visible) {
@@ -84,6 +284,7 @@
            if (!nsview) {
                return;
            }

            nsview.wantsLayer = YES;
            nswindow.styleMask |= NSWindowStyleMaskResizable;
            if (visible) {
@@ -107,9 +308,70 @@
#endif
        }

    private:
        static void replaceImplementations() {
            Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:));
            oldSetStyleMask = reinterpret_cast<setStyleMaskPtr>(
                method_setImplementation(method, reinterpret_cast<IMP>(setStyleMask)));

            method =
                class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:));
            oldSetTitlebarAppearsTransparent =
                reinterpret_cast<setTitlebarAppearsTransparentPtr>(method_setImplementation(
                    method, reinterpret_cast<IMP>(setTitlebarAppearsTransparent)));

#if 0
            method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow));
            oldCanBecomeKeyWindow = reinterpret_cast<canBecomeKeyWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeKeyWindow)));

            method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow));
            oldCanBecomeMainWindow = reinterpret_cast<canBecomeMainWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeMainWindow)));
#endif

            method = class_getInstanceMethod(windowClass, @selector(sendEvent:));
            oldSendEvent = reinterpret_cast<sendEventPtr>(
                method_setImplementation(method, reinterpret_cast<IMP>(sendEvent)));

            // Alloc
            windowObserver = [[QWK_NSWindowObserver alloc] init];
        }

        static void restoreImplementations() {
            Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:));
            method_setImplementation(method, reinterpret_cast<IMP>(oldSetStyleMask));
            oldSetStyleMask = nil;

            method =
                class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:));
            method_setImplementation(method,
                                     reinterpret_cast<IMP>(oldSetTitlebarAppearsTransparent));
            oldSetTitlebarAppearsTransparent = nil;

#if 0
            method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow));
            method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeKeyWindow));
            oldCanBecomeKeyWindow = nil;

            method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow));
            method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeMainWindow));
            oldCanBecomeMainWindow = nil;
#endif

            method = class_getInstanceMethod(windowClass, @selector(sendEvent:));
            method_setImplementation(method, reinterpret_cast<IMP>(oldSendEvent));
            oldSendEvent = nil;

            // Delete
            [windowObserver release];
            windowObserver = nil;
        }

        static inline const Class windowClass = [NSWindow class];

        static inline const Class visualEffectViewClass = NSClassFromString(@"NSVisualEffectView");

    protected:
        static BOOL canBecomeKeyWindow(id obj, SEL sel) {
            if (instances.contains(reinterpret_cast<NSWindow *>(obj))) {
            if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) {
                return YES;
            }

@@ -121,7 +383,7 @@
        }

        static BOOL canBecomeMainWindow(id obj, SEL sel) {
            if (instances.contains(reinterpret_cast<NSWindow *>(obj))) {
            if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) {
                return YES;
            }

@@ -133,7 +395,7 @@
        }

        static void setStyleMask(id obj, SEL sel, NSWindowStyleMask styleMask) {
            if (instances.contains(reinterpret_cast<NSWindow *>(obj))) {
            if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) {
                styleMask |= NSWindowStyleMaskFullSizeContentView;
            }

@@ -143,7 +405,7 @@
        }

        static void setTitlebarAppearsTransparent(id obj, SEL sel, BOOL transparent) {
            if (instances.contains(reinterpret_cast<NSWindow *>(obj))) {
            if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) {
                transparent = YES;
            }

@@ -177,11 +439,14 @@
        Q_DISABLE_COPY(NSWindowProxy)

        NSWindow *nswindow = nil;
        NSView *blurEffect = nil;

        bool systemButtonVisible = true;
        QRect systemButtonRect;

        static inline QWK_NSWindowObserver *windowObserver = nil;

        // NSEvent *lastMouseDownEvent = nil;

        static inline QHash<NSWindow *, NSWindowProxy *> instances = {};

        static inline Class windowClass = nil;

        using setStyleMaskPtr = void (*)(id, SEL, NSWindowStyleMask);
        static inline setStyleMaskPtr oldSetStyleMask = nil;
@@ -199,41 +464,41 @@
        static inline sendEventPtr oldSendEvent = nil;
    };

    using ProxyList = QHash<WId, NSWindowProxy *>;
    Q_GLOBAL_STATIC(ProxyList, g_proxyList);

    static inline NSWindow *mac_getNSWindow(const WId windowId) {
        const auto nsview = reinterpret_cast<NSView *>(windowId);
        return [nsview window];
    }

    static inline void cleanupProxy() {
        if (g_proxyList()->isEmpty()) {
            return;
        }
        const auto &data = *g_proxyList();
        qDeleteAll(data);
        g_proxyList()->clear();
    }

    static inline NSWindowProxy *ensureWindowProxy(const WId windowId) {
        auto it = g_proxyList()->find(windowId);
        if (it == g_proxyList()->end()) {
        if (g_proxyList->isEmpty()) {
            NSWindowProxy::replaceImplementations();
        }

        auto it = g_proxyList->find(windowId);
        if (it == g_proxyList->end()) {
            NSWindow *nswindow = mac_getNSWindow(windowId);
            const auto proxy = new NSWindowProxy(nswindow);
            it = g_proxyList()->insert(windowId, proxy);
        }
        static bool cleanerInstalled = false;
        if (!cleanerInstalled) {
            cleanerInstalled = true;
            qAddPostRoutine(cleanupProxy);
            it = g_proxyList->insert(windowId, proxy);
        }
        return it.value();
    }

    class CocoaWindowEventFilter : public QObject {
    static inline void releaseWindowProxy(const WId windowId) {
        if (auto proxy = g_proxyList->take(windowId)) {
            proxy->setSystemTitleBarVisible(true);
            delete proxy;
        } else {
            return;
        }

        if (g_proxyList->isEmpty()) {
            NSWindowProxy::restoreImplementations();
        }
    }

    class CocoaWindowEventFilter : public SharedEventFilter {
    public:
        explicit CocoaWindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
        explicit CocoaWindowEventFilter(AbstractWindowContext *context);
        ~CocoaWindowEventFilter() override;

        enum WindowStatus {
@@ -244,7 +509,7 @@
        };

    protected:
        bool eventFilter(QObject *object, QEvent *event) override;
        bool sharedEventFilter(QObject *object, QEvent *event) override;

    private:
        AbstractWindowContext *m_context;
@@ -252,30 +517,28 @@
        WindowStatus m_windowStatus;
    };

    CocoaWindowEventFilter::CocoaWindowEventFilter(AbstractWindowContext *context, QObject *parent)
        : QObject(parent), m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
        m_context->window()->installEventFilter(this);
    CocoaWindowEventFilter::CocoaWindowEventFilter(AbstractWindowContext *context)
        : m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
        m_context->installSharedEventFilter(this);
    }

    CocoaWindowEventFilter::~CocoaWindowEventFilter() = default;

    bool CocoaWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
    bool CocoaWindowEventFilter::sharedEventFilter(QObject *obj, QEvent *event) {
        Q_UNUSED(obj)

        auto type = event->type();
        if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
            return false;
        }
        QObject *host = m_context->host();
        QWindow *window = m_context->window();
        WindowItemDelegate *delegate = m_context->delegate();
        auto host = m_context->host();
        auto window = m_context->window();
        auto delegate = m_context->delegate();
        auto me = static_cast<const QMouseEvent *>(event);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        QPoint scenePos = me->scenePosition().toPoint();
        QPoint globalPos = me->globalPosition().toPoint();
#else
        QPoint scenePos = me->windowPos().toPoint();
        QPoint globalPos = me->screenPos().toPoint();
#endif

        QPoint scenePos = getMouseEventScenePos(me);
        QPoint globalPos = getMouseEventGlobalPos(me);

        bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
        switch (type) {
            case QEvent::MouseButtonPress: {
@@ -289,7 +552,6 @@
                            event->accept();
                            return true;
                        }
                        m_windowStatus = WaitingRelease;
                        break;
                    }
                    case Qt::RightButton: {
@@ -299,6 +561,7 @@
                    default:
                        break;
                }
                m_windowStatus = WaitingRelease;
                break;
            }

@@ -332,7 +595,7 @@
                    }
                    case PreparingMove: {
                        m_windowStatus = Moving;
                        window->startSystemMove();
                        startSystemMove(window);
                        event->accept();
                        return true;
                    }
@@ -366,10 +629,11 @@
    }

    CocoaWindowContext::CocoaWindowContext() : AbstractWindowContext() {
        cocoaWindowEventFilter = std::make_unique<CocoaWindowEventFilter>(this);
    }

    CocoaWindowContext::~CocoaWindowContext() {
        // TODO: deref something?
        releaseWindowProxy(windowId);
    }

    QString CocoaWindowContext::key() const {
@@ -378,23 +642,77 @@

    void CocoaWindowContext::virtual_hook(int id, void *data) {
        switch (id) {
            case ShowSystemMenuHook:
                // TODO: mac system menu
            case SystemButtonAreaChangedHook: {
                ensureWindowProxy(windowId)->setSystemButtonRect(m_systemButtonArea);
                return;
            case SystemButtonAreaChangedHook:
                // TODO: mac system button rect updated
                return;
            }

            default:
                break;
        }
        AbstractWindowContext::virtual_hook(id, data);
    }

    void CocoaWindowContext::winIdChanged(QWindow *oldWindow, bool destroyed) {
    void CocoaWindowContext::winIdChanged() {
        // If the original window id is valid, remove all resources related
        if (windowId) {
            releaseWindowProxy(windowId);
            windowId = 0;
        }

        if (!m_windowHandle) {
            return;
        }

        // Allocate new resources
        windowId = m_windowHandle->winId();
        ensureWindowProxy(windowId)->setSystemTitleBarVisible(false);
        cocoaWindowEventFilter = std::make_unique<CocoaWindowEventFilter>(this, this);
        return true;
    }

    bool CocoaWindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute,
                                                    const QVariant &oldAttribute) {
        Q_UNUSED(oldAttribute)

        if (key == QStringLiteral("no-system-buttons")) {
            if (attribute.type() != QVariant::Bool)
                return false;
            ensureWindowProxy(windowId)->setSystemButtonVisible(!attribute.toBool());
            return true;
        }

        if (key == QStringLiteral("blur-effect")) {
            // Class not available
            if (!NSWindowProxy::visualEffectViewClass) {
                return false;
            }

            auto option = NSWindowProxy::BlurMode::None;
            if (attribute.type() == QVariant::Bool) {
                if (attribute.toBool()) {
                    NSString *osxMode =
                        [[NSUserDefaults standardUserDefaults] stringForKey:@"AppleInterfaceStyle"];
                    option = [osxMode isEqualToString:@"Dark"] ? NSWindowProxy::BlurMode::Dark
                                                               : NSWindowProxy::BlurMode::Light;
                }
            } else if (attribute.type() == QVariant::String) {
                auto value = attribute.toString();
                if (value == QStringLiteral("dark")) {
                    option = NSWindowProxy::BlurMode::Dark;
                } else if (value == QStringLiteral("light")) {
                    option = NSWindowProxy::BlurMode::Light;
                } else if (value == QStringLiteral("none")) {
                    // ...
                } else {
                    return false;
                }
            } else {
                return false;
            }
            ensureWindowProxy(windowId)->setBlurEffect(option);
            return true;
        }

        return false;
    }

}