Update version for new release 6.5.1

GIT_SILENT

.gitlab-ci.yml

@@ -7,3 +7,6 @@ include:
       - /gitlab-templates/reuse-lint.yml
       - /gitlab-templates/linux-qt6.yml
       - /gitlab-templates/freebsd-qt6.yml
+      - /gitlab-templates/xml-lint.yml
+      - /gitlab-templates/yaml-lint.yml
+      - /gitlab-templates/linux-qt6-next.yml

.kde-ci.yml

@@ -2,8 +2,11 @@
 # SPDX-License-Identifier: CC0-1.0
 
 Dependencies:
-- 'on': ['@all']
-  'require':
+ - 'on': ['@all']
+   'require':
     'frameworks/extra-cmake-modules': '@latest-kf6'
     'third-party/wayland': '@latest'
     'third-party/wayland-protocols': '@latest'
+
+Options:
+ require-passing-tests-on: ['Linux', 'FreeBSD', 'Windows']

CMakeLists.txt

@@ -4,13 +4,13 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(layershellqt)
-set(PROJECT_VERSION "6.0.80")
+set(PROJECT_VERSION "6.5.1")
 set(PROJECT_VERSION_MAJOR 6)
 
 set(CMAKE_C_STANDARD 99)
 
-set(QT_MIN_VERSION "6.6.0")
-set(KF6_MIN_VERSION "6.0.0")
+set(QT_MIN_VERSION "6.9.0")
+set(KF6_MIN_VERSION "6.18.0")
 set(KDE_COMPILERSETTINGS_LEVEL "5.82")
 
 set(CMAKE_CXX_STANDARD 20)
@@ -31,9 +31,14 @@ include(GenerateExportHeader)
 include(KDEClangFormat)
 include(ECMQtDeclareLoggingCategory)
 include(ECMQmlModule)
-
+include(KDEGitCommitHooks)
 
 find_package(Qt6 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient Qml)
+
+if (Qt6WaylandClient_VERSION VERSION_GREATER_EQUAL "6.10.0")
+    find_package(Qt6WaylandClientPrivate ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
+endif()
+
 find_package(WaylandScanner REQUIRED)
 find_package(Wayland 1.3 COMPONENTS Client Server)
 find_package(WaylandProtocols REQUIRED)
@@ -53,8 +58,10 @@ ecm_setup_version(${PROJECT_VERSION} VARIABLE_PREFIX LAYERSHELLQT
 file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
 kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
 
-ecm_set_disabled_deprecation_versions(QT 6.5
-    KF 5.240
+kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)
+
+ecm_set_disabled_deprecation_versions(QT 6.8.1
+    KF 6.9.0
 )
 
 add_subdirectory(src)

metainfo.yaml

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: CC0-1.0
 
 maintainer:
-- vladz
+    - vladz
 description: Layer Shell Qt
 platforms:
     - name: Linux

src/CMakeLists.txt

@@ -4,10 +4,18 @@
 remove_definitions(-DQT_NO_SIGNALS_SLOTS_KEYWORDS)
 
 add_library(LayerShellQtInterface)
-qt6_generate_wayland_protocol_client_sources(LayerShellQtInterface FILES
-    ${WaylandProtocols_DATADIR}/stable/xdg-shell/xdg-shell.xml
-    ${WaylandProtocols_DATADIR}/staging/xdg-activation/xdg-activation-v1.xml
-    ${CMAKE_CURRENT_SOURCE_DIR}/wlr-layer-shell-unstable-v1.xml
+
+qt6_extract_metatypes(LayerShellQtInterface)
+
+if (Qt6_VERSION VERSION_GREATER_EQUAL "6.8.0")
+    set(private_code_option  "PRIVATE_CODE")
+endif()
+qt6_generate_wayland_protocol_client_sources(LayerShellQtInterface
+    ${private_code_option}
+    FILES
+        ${WaylandProtocols_DATADIR}/stable/xdg-shell/xdg-shell.xml
+        ${WaylandProtocols_DATADIR}/staging/xdg-activation/xdg-activation-v1.xml
+        ${CMAKE_CURRENT_SOURCE_DIR}/wlr-layer-shell-unstable-v1.xml
 )
 
 ecm_qt_declare_logging_category(LayerShellQtInterface

src/declarative/CMakeLists.txt

@@ -4,7 +4,8 @@
 ecm_add_qml_module(LayerShellQtQml
                   URI "org.kde.layershell"
                   VERSION 1.0
-                  SOURCES layershellqtplugin.cpp)
+                  SOURCES types.h types.cpp
+                  GENERATE_PLUGIN_SOURCE)
 target_link_libraries(LayerShellQtQml PRIVATE Qt::Qml LayerShellQtInterface)
 
-ecm_finalize_qml_module(LayerShellQtQml DESTINATION ${KDE_INSTALL_QMLDIR})
+ecm_finalize_qml_module(LayerShellQtQml DESTINATION ${KDE_INSTALL_QMLDIR})

src/declarative/layershellqtplugin.cpp

@@ -1,24 +0,0 @@
-/*
- *   SPDX-FileCopyrightText: 2023 Aleix Pol Gonzalez <aleix.pol_gonzalez@mercedes-benz.com>
- *
- *   SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
- */
-
-#include <QQmlExtensionPlugin>
-#include "../interfaces/window.h"
-#include <qqml.h>
-
-QML_DECLARE_TYPEINFO(LayerShellQt::Window, QML_HAS_ATTACHED_PROPERTIES)
-
-class Plugin : public QQmlExtensionPlugin
-{
-    Q_PLUGIN_METADATA(IID "org.kde.layershellqt")
-    Q_OBJECT
-public:
-    void registerTypes(const char *uri) override {
-        Q_ASSERT(QLatin1String(uri) == QLatin1String("org.kde.layershell"));
-        qmlRegisterType<LayerShellQt::Window>(uri, 1, 0, "Window");
-    }
-};
-
-#include "layershellqtplugin.moc"

src/declarative/types.cpp

@@ -0,0 +1,49 @@
+/*
+ *   SPDX-FileCopyrightText: 2023 Aleix Pol Gonzalez <aleix.pol_gonzalez@mercedes-benz.com>
+ *
+ *   SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+ */
+
+#include "types.h"
+
+#if QT_VERSION < QT_VERSION_CHECK(6, 8, 1)
+int QQmlMarginsValueType::left() const
+{
+    return m.left();
+}
+
+int QQmlMarginsValueType::top() const
+{
+    return m.top();
+}
+
+int QQmlMarginsValueType::right() const
+{
+    return m.right();
+}
+
+int QQmlMarginsValueType::bottom() const
+{
+    return m.bottom();
+}
+
+void QQmlMarginsValueType::setLeft(int left)
+{
+    m.setLeft(left);
+}
+
+void QQmlMarginsValueType::setTop(int top)
+{
+    m.setTop(top);
+}
+
+void QQmlMarginsValueType::setRight(int right)
+{
+    m.setRight(right);
+}
+
+void QQmlMarginsValueType::setBottom(int bottom)
+{
+    m.setBottom(bottom);
+}
+#endif

src/declarative/types.h

@@ -0,0 +1,55 @@
+/*
+ *   SPDX-FileCopyrightText: 2023 Aleix Pol Gonzalez <aleix.pol_gonzalez@mercedes-benz.com>
+ *
+ *   SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+ */
+
+#include "../interfaces/window.h"
+#include <qqml.h>
+
+QML_DECLARE_TYPEINFO(LayerShellQt::Window, QML_HAS_ATTACHED_PROPERTIES)
+
+class WindowForeign
+{
+    Q_GADGET
+    QML_NAMED_ELEMENT(Window)
+    QML_FOREIGN(LayerShellQt::Window)
+    QML_UNCREATABLE("")
+    QML_ATTACHED(LayerShellQt::Window)
+};
+
+// available upstream since https://invent.kde.org/qt/qt/qtdeclarative/-/commit/a398101f715bfc447aa889fc9c58b13bfe75ab47
+#if QT_VERSION < QT_VERSION_CHECK(6, 8, 1)
+struct Q_QML_EXPORT QQmlMarginsValueType {
+    QMargins m;
+    Q_PROPERTY(int left READ left WRITE setLeft FINAL)
+    Q_PROPERTY(int right READ right WRITE setRight FINAL)
+    Q_PROPERTY(int top READ top WRITE setTop FINAL)
+    Q_PROPERTY(int bottom READ bottom WRITE setBottom FINAL)
+    Q_GADGET
+    QML_ANONYMOUS
+    QML_FOREIGN(QMargins)
+    QML_EXTENDED(QQmlMarginsValueType)
+    QML_STRUCTURED_VALUE
+
+public:
+    QQmlMarginsValueType() = default;
+    Q_INVOKABLE QQmlMarginsValueType(const QMarginsF &margins)
+        : m(margins.toMargins())
+    {
+    }
+    int left() const;
+    int right() const;
+    int top() const;
+    int bottom() const;
+    void setLeft(int);
+    void setRight(int);
+    void setTop(int);
+    void setBottom(int);
+
+    operator QMargins() const
+    {
+        return m;
+    }
+};
+#endif

src/interfaces/window.cpp

@@ -32,8 +32,10 @@ public:
     Window::KeyboardInteractivity keyboardInteractivity = Window::KeyboardInteractivityOnDemand;
     Window::Layer layer = Window::LayerTop;
     QMargins margins;
+    QSize desiredSize = QSize(0, 0);
     Window::ScreenConfiguration screenConfiguration = Window::ScreenFromQWindow;
     bool closeOnDismissed = true;
+    bool activateOnShow = true;
 };
 
 static QMap<QWindow *, Window *> s_map;
@@ -97,6 +99,21 @@ QMargins Window::margins() const
     return d->margins;
 }
 
+void Window::setDesiredSize(const QSize &size)
+{
+    if (size == d->desiredSize) {
+        return;
+    }
+
+    d->desiredSize = size;
+    Q_EMIT desiredSizeChanged();
+}
+
+QSize Window::desiredSize() const
+{
+    return d->desiredSize;
+}
+
 void Window::setKeyboardInteractivity(KeyboardInteractivity interactivity)
 {
     if (d->keyboardInteractivity != interactivity) {
@@ -154,6 +171,16 @@ void Window::setCloseOnDismissed(bool close)
     d->closeOnDismissed = close;
 }
 
+bool Window::activateOnShow() const
+{
+    return d->activateOnShow;
+}
+
+void Window::setActivateOnShow(bool activateOnShow)
+{
+    d->activateOnShow = activateOnShow;
+}
+
 Window::Window(QWindow *window)
     : QObject(window)
     , d(new WindowPrivate(window))

src/interfaces/window.h

@@ -28,6 +28,7 @@ class LAYERSHELLQT_EXPORT Window : public QObject
     Q_PROPERTY(Layer layer READ layer WRITE setLayer NOTIFY layerChanged)
     Q_PROPERTY(KeyboardInteractivity keyboardInteractivity READ keyboardInteractivity WRITE setKeyboardInteractivity NOTIFY keyboardInteractivityChanged)
     Q_PROPERTY(ScreenConfiguration screenConfiguration READ screenConfiguration WRITE setScreenConfiguration)
+    Q_PROPERTY(bool activateOnShow READ activateOnShow WRITE setActivateOnShow)
 
 public:
     ~Window() override;
@@ -39,8 +40,8 @@ public:
         AnchorLeft = 4, ///< The left edge of the anchor rectangle
         AnchorRight = 8, ///< The right edge of the anchor rectangle
     };
-    Q_ENUM(Anchor);
     Q_DECLARE_FLAGS(Anchors, Anchor)
+    Q_FLAG(Anchors)
 
     /**
      * This enum type is used to specify the layer where a surface can be put in.
@@ -86,6 +87,9 @@ public:
     void setMargins(const QMargins &margins);
     QMargins margins() const;
 
+    void setDesiredSize(const QSize &size);
+    QSize desiredSize() const;
+
     void setKeyboardInteractivity(KeyboardInteractivity interactivity);
     KeyboardInteractivity keyboardInteractivity() const;
 
@@ -114,6 +118,18 @@ public:
     void setCloseOnDismissed(bool close);
     bool closeOnDismissed() const;
 
+    /**
+     * Whether the window should requestActivate on show.
+     *
+     * Normally, you want this enabled but in case of e.g. a desktop window, this can be disabled.
+     *
+     * It does nothing when KeyboardInteractivity is KeyboardInteractivityNone.
+     *
+     * The default is true.
+     */
+    void setActivateOnShow(bool activateOnShow);
+    bool activateOnShow() const;
+
     /**
      * Gets the LayerShell Window for a given Qt Window
      * Ownership is not transferred
@@ -127,6 +143,7 @@ Q_SIGNALS:
     void exclusionZoneChanged();
     void exclusiveEdgeChanged();
     void marginsChanged();
+    void desiredSizeChanged();
     void keyboardInteractivityChanged();
     void layerChanged();
 

src/qwaylandlayershellintegration.cpp

@@ -32,5 +32,4 @@ QtWaylandClient::QWaylandShellSurface *QWaylandLayerShellIntegration::createShel
     return new QWaylandLayerSurface(this, window);
 }
 
-
 }

src/qwaylandlayershellintegration_p.h

@@ -18,14 +18,19 @@ class QWaylandXdgActivationV1;
 namespace LayerShellQt
 {
 
-class LAYERSHELLQT_EXPORT QWaylandLayerShellIntegration : public QtWaylandClient::QWaylandShellIntegrationTemplate<QWaylandLayerShellIntegration>, public QtWayland::zwlr_layer_shell_v1
+class LAYERSHELLQT_EXPORT QWaylandLayerShellIntegration : public QtWaylandClient::QWaylandShellIntegrationTemplate<QWaylandLayerShellIntegration>,
+                                                          public QtWayland::zwlr_layer_shell_v1
 {
 public:
     QWaylandLayerShellIntegration();
     ~QWaylandLayerShellIntegration() override;
 
-    QWaylandXdgActivationV1 *activation() const { return m_xdgActivation.data(); }
+    QWaylandXdgActivationV1 *activation() const
+    {
+        return m_xdgActivation.data();
+    }
     QtWaylandClient::QWaylandShellSurface *createShellSurface(QtWaylandClient::QWaylandWindow *window) override;
+
 private:
     QScopedPointer<QWaylandXdgActivationV1> m_xdgActivation;
 };

src/qwaylandlayersurface.cpp

@@ -44,7 +44,11 @@ QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShellIntegration *shell,
     setAnchor(m_interface->anchors());
     connect(m_interface, &Window::anchorsChanged, this, [this]() {
         setAnchor(m_interface->anchors());
-        setDesiredSize(m_window->windowContentGeometry().size());
+        if (m_interface->desiredSize().isNull()) {
+            setDesiredSize(m_window->windowContentGeometry().size());
+        } else {
+            setDesiredSize(m_interface->desiredSize());
+        }
     });
 
     setExclusiveZone(m_interface->exclusionZone());
@@ -61,19 +65,26 @@ QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShellIntegration *shell,
         setMargins(m_interface->margins());
     });
 
+    connect(m_interface, &Window::desiredSizeChanged, this, [this]() {
+        if (!m_interface->desiredSize().isNull()) {
+            setDesiredSize(m_interface->desiredSize());
+        }
+    });
+
     setKeyboardInteractivity(m_interface->keyboardInteractivity());
     connect(m_interface, &Window::keyboardInteractivityChanged, this, [this]() {
         setKeyboardInteractivity(m_interface->keyboardInteractivity());
     });
 
-    setDesiredSize(window->windowContentGeometry().size());
+    if (m_interface->desiredSize().isNull()) {
+        setDesiredSize(window->windowContentGeometry().size());
+    } else {
+        setDesiredSize(m_interface->desiredSize());
+    }
 }
 
 QWaylandLayerSurface::~QWaylandLayerSurface()
 {
-    if (m_waitForSyncCallback) {
-        wl_callback_destroy(m_waitForSyncCallback);
-    }
     destroy();
 }
 
@@ -113,9 +124,13 @@ void QWaylandLayerSurface::attachPopup(QtWaylandClient::QWaylandShellSurface *po
 
 void QWaylandLayerSurface::applyConfigure()
 {
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
     m_configuring = true;
+#endif
     window()->resizeFromApplyConfigure(m_pendingSize);
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
     m_configuring = false;
+#endif
 }
 
 void QWaylandLayerSurface::setDesiredSize(const QSize &size)
@@ -166,15 +181,25 @@ void QWaylandLayerSurface::setLayer(uint32_t layer)
         set_layer(layer);
 }
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
 void QWaylandLayerSurface::setWindowGeometry(const QRect &geometry)
 {
     if (m_configuring) {
         return;
     }
 
-    setDesiredSize(geometry.size());
-    requestWaylandSync();
+    if (m_interface->desiredSize().isNull()) {
+        setDesiredSize(geometry.size());
+    }
 }
+#else
+void QWaylandLayerSurface::setWindowSize(const QSize &size)
+{
+    if (m_interface->desiredSize().isNull()) {
+        setDesiredSize(size);
+    }
+}
+#endif
 
 bool QWaylandLayerSurface::requestActivate()
 {
@@ -186,16 +211,18 @@ bool QWaylandLayerSurface::requestActivate()
         activation->activate(m_activationToken, window()->wlSurface());
         m_activationToken = {};
         return true;
+    } else if (const auto token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN"); !token.isEmpty()) {
+        activation->activate(token, window()->wlSurface());
+        qunsetenv("XDG_ACTIVATION_TOKEN");
+        return true;
     } else {
         const auto focusWindow = QGuiApplication::focusWindow();
-        const auto wlWindow = focusWindow ? static_cast<QtWaylandClient::QWaylandWindow*>(focusWindow->handle()) : window();
+        const auto wlWindow = focusWindow ? static_cast<QtWaylandClient::QWaylandWindow *>(focusWindow->handle()) : window();
         if (const auto seat = wlWindow->display()->lastInputDevice()) {
-            const auto tokenProvider = activation->requestXdgActivationToken(
-                wlWindow->display(), wlWindow->wlSurface(), 0, QString());
-            connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, this,
-                    [this](const QString &token) {
-                        m_shell->activation()->activate(token, window()->wlSurface());
-                    });
+            const auto tokenProvider = activation->requestXdgActivationToken(wlWindow->display(), wlWindow->wlSurface(), 0, QString());
+            connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, this, [this](const QString &token) {
+                m_shell->activation()->activate(token, window()->wlSurface());
+            });
             connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, tokenProvider, &QObject::deleteLater);
             return true;
         }
@@ -203,6 +230,23 @@ bool QWaylandLayerSurface::requestActivate()
     return false;
 }
 
+bool QWaylandLayerSurface::requestActivateOnShow()
+{
+    if (!m_interface->activateOnShow()) {
+        return false;
+    }
+
+    if (m_interface->keyboardInteractivity() == Window::KeyboardInteractivityNone) {
+        return false;
+    }
+
+    if (m_window->window()->property("_q_showWithoutActivating").toBool()) {
+        return false;
+    }
+
+    return requestActivate();
+}
+
 void QWaylandLayerSurface::setXdgActivationToken(const QString &token)
 {
     m_activationToken = token;
@@ -214,52 +258,23 @@ void QWaylandLayerSurface::requestXdgActivationToken(quint32 serial)
     if (!activation->isActive()) {
         return;
     }
-    auto tokenProvider = activation->requestXdgActivationToken(
-        window()->display(), window()->wlSurface(), serial, QString());
+    auto tokenProvider = activation->requestXdgActivationToken(window()->display(), window()->wlSurface(), serial, QString());
 
-    connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, this,
-            [this](const QString &token) {
-                Q_EMIT window()->xdgActivationTokenCreated(token);
-            });
+    connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, this, [this](const QString &token) {
+        Q_EMIT window()->xdgActivationTokenCreated(token);
+    });
     connect(tokenProvider, &QWaylandXdgActivationTokenV1::done, tokenProvider, &QObject::deleteLater);
 }
 
-const wl_callback_listener QWaylandLayerSurface::syncCallbackListener = {
-    .done = [](void *data, struct wl_callback *callback, uint32_t time){
-        Q_UNUSED(time);
-        wl_callback_destroy(callback);
-        QWaylandLayerSurface *layerSurface = static_cast<QWaylandLayerSurface *>(data);
-        layerSurface->m_waitForSyncCallback = nullptr;
-        layerSurface->sendExpose();
-    }
-};
-
-void QWaylandLayerSurface::requestWaylandSync()
-{
-    if (m_waitForSyncCallback) {
-        return;
-    }
-
-    m_waitForSyncCallback = wl_display_sync(m_window->display()->wl_display());
-    wl_callback_add_listener(m_waitForSyncCallback, &syncCallbackListener, this);
-}
-
-void QWaylandLayerSurface::handleWaylandSyncDone()
-{
-    if (!window()->isExposed()) {
-        return;
-    }
-    sendExpose();
-}
-
 void QWaylandLayerSurface::sendExpose()
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
     window()->handleExpose(QRect(QPoint(), m_pendingSize));
-#else
+#elif QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
     window()->sendRecursiveExposeEvent();
+#else
+    window()->updateExposure();
 #endif
 }
 
 }
-

src/qwaylandlayersurface_p.h

@@ -30,7 +30,7 @@ public:
 
     bool isExposed() const override
     {
-        return m_configured && !m_waitForSyncCallback;
+        return m_configured;
     }
     void attachPopup(QtWaylandClient::QWaylandShellSurface *popup) override;
 
@@ -43,15 +43,18 @@ public:
     void setLayer(uint32_t layer);
 
     void applyConfigure() override;
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
     void setWindowGeometry(const QRect &geometry) override;
+#else
+    void setWindowSize(const QSize &size) override;
+#endif
 
     bool requestActivate() override;
+    bool requestActivateOnShow() override;
     void setXdgActivationToken(const QString &token) override;
     void requestXdgActivationToken(quint32 serial) override;
 
 private:
-    void requestWaylandSync();
-    void handleWaylandSyncDone();
     void sendExpose();
     void zwlr_layer_surface_v1_configure(uint32_t serial, uint32_t width, uint32_t height) override;
     void zwlr_layer_surface_v1_closed() override;
@@ -63,10 +66,9 @@ private:
     QString m_activationToken;
 
     bool m_configured = false;
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
     bool m_configuring = false;
-
-    static const wl_callback_listener syncCallbackListener;
-    struct wl_callback *m_waitForSyncCallback = nullptr;
+#endif
 };
 
 }

tests/main.cpp

@@ -53,7 +53,7 @@ int main(int argc, char **argv)
     QGuiApplication app(argc, argv);
 
     const auto layerMetaEnum = QMetaEnum::fromType<Window::Layer>();
-    const auto anchorMetaEnum = QMetaEnum::fromType<Window::Anchor>();
+    const auto anchorMetaEnum = QMetaEnum::fromType<Window::Anchors>();
 
     QCommandLineParser parser;
     QCommandLineOption marginsOption(QStringLiteral("margins"), QStringLiteral("Window margins"), QStringLiteral("pixels"), QStringLiteral("0"));

tests/quicktest.qml

@@ -39,6 +39,7 @@ Item
         LayerShell.Window.anchors: LayerShell.Window.AnchorLeft
         LayerShell.Window.layer: LayerShell.Window.LayerTop
         LayerShell.Window.exclusionZone: width
+        LayerShell.Window.margins.left: 100
 
         width: 100
         height: 100