Update version number for 5.25.5

GIT_SILENT

.gitignore

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileCopyrightText: none
 # Ignore the following files
 .vscode
 *~

.gitlab-ci.yml

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: None
+# SPDX-License-Identifier: CC0-1.0
+
+include:
+  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux.yml
+  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd.yml
+  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux-qt6.yml

.kde-ci.yml

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: None
+# SPDX-License-Identifier: CC0-1.0
+
+Dependencies:
+- 'on': ['@all']
+  'require':
+    'frameworks/extra-cmake-modules': '@latest'

CMakeLists.txt

@@ -4,17 +4,18 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(layershellqt)
-set(PROJECT_VERSION "5.21.90")
+set(PROJECT_VERSION "5.25.5")
 set(PROJECT_VERSION_MAJOR 5)
 
-set(QT_MIN_VERSION "5.15.0")
-set(KF5_MIN_VERSION "5.82")
+set(CMAKE_C_STANDARD 99)
+
+set(QT_MIN_VERSION "5.15.2")
+set(KF5_MIN_VERSION "5.94")
+set(KDE_COMPILERSETTINGS_LEVEL "5.82")
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient Qml)
-find_package(Qt5XkbCommonSupport REQUIRED PRIVATE)
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${ECM_MODULE_PATH})
 
@@ -29,10 +30,14 @@ include(GenerateExportHeader)
 include(KDEClangFormat)
 include(ECMQtDeclareLoggingCategory)
 
-find_package(WaylandScanner)
-find_package(QtWaylandScanner)
+find_package(Qt${QT_MAJOR_VERSION} ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient Qml)
+if (QT_MAJOR_VERSION EQUAL "5")
+    find_package(Qt5XkbCommonSupport REQUIRED PRIVATE)
+    find_package(QtWaylandScanner REQUIRED)
+endif()
+find_package(WaylandScanner REQUIRED)
 find_package(Wayland 1.3 COMPONENTS Client Server)
-find_package(WaylandProtocols)
+find_package(WaylandProtocols REQUIRED)
 find_package(PkgConfig REQUIRED)
 
 pkg_check_modules(XKBCOMMON xkbcommon REQUIRED IMPORTED_TARGET)

LayerShellQtConfig.cmake.in

@@ -4,6 +4,6 @@
 @PACKAGE_INIT@
 
 include(CMakeFindDependencyMacro)
-find_dependency(Qt5Gui "@QT_MIN_VERSION@")
+find_dependency(Qt@QT_MAJOR_VERSION@Gui "@QT_MIN_VERSION@")
 
 include("${CMAKE_CURRENT_LIST_DIR}/LayerShellQtTargets.cmake")

metainfo.yaml

@@ -0,0 +1,14 @@
+maintainer:
+- vladz
+description: Layer Shell Qt
+platforms:
+    - name: Linux
+    - name: FreeBSD
+portingAid: false
+deprecated: false
+release: true
+
+group: Plasma
+public_lib: true
+public_source_dirs:
+    - src/interfaces

src/CMakeLists.txt

@@ -3,8 +3,16 @@
 
 remove_definitions(-DQT_NO_SIGNALS_SLOTS_KEYWORDS)
 
-ecm_add_qtwayland_client_protocol(LAYER_SHELL_SOURCES PROTOCOL ${WaylandProtocols_DATADIR}/stable/xdg-shell/xdg-shell.xml BASENAME xdg-shell)
-ecm_add_qtwayland_client_protocol(LAYER_SHELL_SOURCES PROTOCOL wlr-layer-shell-unstable-v1.xml BASENAME wlr-layer-shell-unstable-v1)
+add_library(LayerShellQtInterface)
+if (QT_MAJOR_VERSION EQUAL "5")
+    ecm_add_qtwayland_client_protocol(LAYER_SHELL_SOURCES PROTOCOL ${WaylandProtocols_DATADIR}/stable/xdg-shell/xdg-shell.xml BASENAME xdg-shell)
+    ecm_add_qtwayland_client_protocol(LAYER_SHELL_SOURCES PROTOCOL wlr-layer-shell-unstable-v1.xml BASENAME wlr-layer-shell-unstable-v1)
+else()
+    qt6_generate_wayland_protocol_client_sources(LayerShellQtInterface FILES
+        ${WaylandProtocols_DATADIR}/stable/xdg-shell/xdg-shell.xml
+        ${CMAKE_CURRENT_SOURCE_DIR}/wlr-layer-shell-unstable-v1.xml
+    )
+endif()
 
 ecm_qt_declare_logging_category(LAYER_SHELL_SOURCES
     HEADER
@@ -15,8 +23,11 @@ ecm_qt_declare_logging_category(LAYER_SHELL_SOURCES
         layershellqt
 )
 
-add_library(LayerShellQtInterface SHARED qwaylandlayersurface.cpp interfaces/window.cpp interfaces/shell.cpp qwaylandlayershellintegration.cpp qwaylandlayershell.cpp ${LAYER_SHELL_SOURCES})
-target_link_libraries(LayerShellQtInterface PRIVATE Qt::Gui Qt::WaylandClientPrivate Qt::XkbCommonSupportPrivate Wayland::Client PkgConfig::XKBCOMMON)
+target_sources(LayerShellQtInterface PRIVATE qwaylandlayersurface.cpp interfaces/window.cpp interfaces/shell.cpp qwaylandlayershellintegration.cpp qwaylandlayershell.cpp ${LAYER_SHELL_SOURCES})
+target_link_libraries(LayerShellQtInterface PRIVATE Qt::Gui Qt::WaylandClientPrivate Wayland::Client PkgConfig::XKBCOMMON)
+if (TARGET Qt::XkbCommonSupportPrivate)
+    target_link_libraries(LayerShellQtInterface PRIVATE Qt::XkbCommonSupportPrivate)
+endif()
 target_include_directories(LayerShellQtInterface PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/LayerShellQt>"
                                               INTERFACE "$<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/>"
 )
@@ -27,7 +38,10 @@ set_target_properties(LayerShellQtInterface PROPERTIES VERSION   ${LAYERSHELLQT_
 )
 
 add_library(layer-shell SHARED qwaylandlayershellintegrationplugin.cpp)
-target_link_libraries(layer-shell LayerShellQtInterface Qt::WaylandClient Qt::WaylandClientPrivate Qt::XkbCommonSupportPrivate Wayland::Client PkgConfig::XKBCOMMON)
+target_link_libraries(layer-shell LayerShellQtInterface Qt::WaylandClient Qt::WaylandClientPrivate Wayland::Client PkgConfig::XKBCOMMON)
+if (TARGET Qt::XkbCommonSupportPrivate)
+    target_link_libraries(layer-shell Qt::XkbCommonSupportPrivate)
+endif()
 
 ecm_generate_headers(LayerShellQt_HEADERS
     HEADER_NAMES
@@ -45,7 +59,7 @@ generate_export_header(LayerShellQtInterface
 )
 
 install(TARGETS layer-shell
-        LIBRARY DESTINATION ${QT_PLUGIN_INSTALL_DIR}/wayland-shell-integration)
+        LIBRARY DESTINATION ${KDE_INSTALL_QTPLUGINDIR}/wayland-shell-integration)
 
 install(TARGETS LayerShellQtInterface EXPORT LayerShellQtTargets ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 

src/interfaces/window.cpp

@@ -28,6 +28,7 @@ public:
     Window::Layer layer = Window::LayerTop;
     QMargins margins;
     QWaylandLayerSurface *getSurface() const;
+    QPointer<QScreen> desiredOutput;
 };
 
 static QMap<QWindow *, Window *> s_map;
@@ -113,6 +114,16 @@ Window::Layer Window::layer() const
     return d->layer;
 }
 
+QScreen *Window::desiredOutput() const
+{
+    return d->desiredOutput;
+}
+
+void Window::setDesiredOutput(QScreen *output)
+{
+    d->desiredOutput = output;
+}
+
 Window::Window(QWindow *window)
     : QObject(window)
     , d(new WindowPrivate(window))

src/interfaces/window.h

@@ -9,6 +9,7 @@
 #define LAYERSHELLQTWINDOW_H
 
 #include <QObject>
+#include <QScreen>
 #include <QWindow>
 
 #include "layershellqt_export.h"
@@ -24,10 +25,10 @@ public:
     ~Window() override;
 
     enum Anchor {
-        AnchorTop = 1, // the top edge of the anchor rectangle
-        AnchorBottom = 2, // the bottom edge of the anchor rectangle
-        AnchorLeft = 4, // the left edge of the anchor rectangle
-        AnchorRight = 8, // the right edge of the anchor rectangle
+        AnchorTop = 1, ///< The top edge of the anchor rectangle
+        AnchorBottom = 2, ///< The bottom edge of the anchor rectangle
+        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)
@@ -68,6 +69,14 @@ public:
     void setLayer(Layer layer);
     Layer layer() const;
 
+    /**
+     * If set, the compositor will try to put the window on the given screen.
+     * If its not set, then the compositor will decide where to put the window.
+     * Under normal circumstances, this should be the active output.
+     */
+    void setDesiredOutput(QScreen *output);
+    QScreen *desiredOutput() const;
+
     /**
      * Sets a string based identifier for this window.
      * This may be used by a compositor to determine stacking

src/qwaylandlayershell_p.h

@@ -21,7 +21,7 @@ class LAYERSHELLQT_EXPORT QWaylandLayerShell : public QtWayland::zwlr_layer_shel
 {
 public:
     QWaylandLayerShell(::wl_registry *registry, uint32_t id, uint32_t version);
-    virtual ~QWaylandLayerShell();
+    ~QWaylandLayerShell() override;
 
     QWaylandLayerSurface *createLayerSurface(QtWaylandClient::QWaylandWindow *window);
     // TODO: Popups

src/qwaylandlayershellintegration.cpp

@@ -24,7 +24,9 @@ QWaylandLayerShellIntegration::~QWaylandLayerShellIntegration()
 
 bool QWaylandLayerShellIntegration::initialize(QtWaylandClient::QWaylandDisplay *display)
 {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QWaylandShellIntegration::initialize(display);
+#endif
     display->addRegistryListener(registryLayer, this);
     return m_layerShell != nullptr;
 }

src/qwaylandlayersurface.cpp

@@ -6,6 +6,7 @@
  */
 
 #include "interfaces/shell.h"
+#include "layershellqt_logging.h"
 #include "qwaylandlayershell_p.h"
 #include "qwaylandlayersurface_p.h"
 
@@ -22,7 +23,19 @@ QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShell *shell, QtWaylandC
     LayerShellQt::Window *interface = Window::get(window->window());
     Q_ASSERT(interface);
 
-    init(shell->get_layer_surface(window->waylandSurface()->object(), window->waylandScreen()->output(), interface->layer(), interface->scope()));
+    wl_output *output = nullptr;
+    QScreen *screen = interface->desiredOutput();
+    if (screen) {
+        auto waylandScreen = dynamic_cast<QtWaylandClient::QWaylandScreen *>(screen->handle());
+        // Qt will always assign a screen to a window, but if the compositor has no screens available a dummy QScreen object is created
+        // this will not cast to a QWaylandScreen
+        if (!waylandScreen) {
+            qCWarning(LAYERSHELLQT) << "Creating a layer shell for placeholder screen. This will be positioned incorrectly";
+        } else {
+            output = waylandScreen->output();
+        }
+    }
+    init(shell->get_layer_surface(window->waylandSurface()->object(), output, interface->layer(), interface->scope()));
 
     Window::Anchors anchors = interface->anchors();
 

src/qwaylandlayersurface_p.h

@@ -23,7 +23,7 @@ class LAYERSHELLQT_EXPORT QWaylandLayerSurface : public QtWaylandClient::QWaylan
     Q_OBJECT
 public:
     QWaylandLayerSurface(QWaylandLayerShell *shell, QtWaylandClient::QWaylandWindow *window);
-    virtual ~QWaylandLayerSurface();
+    ~QWaylandLayerSurface() override;
 
     bool isExposed() const override
     {