hacks

src/CMakeLists.txt

@@ -15,7 +15,7 @@ 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})
+add_library(LayerShellQtInterface SHARED qwaylandlayersurface.cpp interfaces/window.cpp qwaylandlayershellintegration.cpp qwaylandlayershell.cpp ${LAYER_SHELL_SOURCES})
 target_link_libraries(LayerShellQtInterface PRIVATE Qt::Gui Qt::WaylandClientPrivate Wayland::Client)
 target_include_directories(LayerShellQtInterface PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/LayerShellQt>"
                                               INTERFACE "$<INSTALL_INTERFACE:${KDE_INSTALL_INCLUDEDIR}/>"
@@ -26,27 +26,19 @@ set_target_properties(LayerShellQtInterface PROPERTIES VERSION   ${LAYERSHELLQT_
                                                        EXPORT_NAME Interface
 )
 
-add_library(layer-shell SHARED qwaylandlayershellintegrationplugin.cpp)
-target_link_libraries(layer-shell LayerShellQtInterface Qt::WaylandClient Qt::WaylandClientPrivate Wayland::Client)
-
 ecm_generate_headers(LayerShellQt_HEADERS
     HEADER_NAMES
-        Shell
         Window
     RELATIVE interfaces/
     REQUIRED_HEADERS LayerShellQt_HEADERS
 )
 
-
 generate_export_header(LayerShellQtInterface
     BASE_NAME LayerShellQtInterface
     EXPORT_MACRO_NAME LAYERSHELLQT_EXPORT
     EXPORT_FILE_NAME LayerShellQt/layershellqt_export.h
 )
 
-install(TARGETS layer-shell
-        LIBRARY DESTINATION ${QT_PLUGIN_INSTALL_DIR}/wayland-shell-integration)
-
 install(TARGETS LayerShellQtInterface EXPORT LayerShellQtTargets ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 
 install(FILES

src/interfaces/shell.cpp

@@ -1,20 +0,0 @@
-/*
- *   SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
- *
- *   SPDX-License-Identifier: LGPL-3.0-or-later
- */
-
-#include "shell.h"
-#include <QByteArray>
-#include <layershellqt_logging.h>
-#include <qglobal.h>
-
-using namespace LayerShellQt;
-
-void Shell::useLayerShell()
-{
-    const bool ret = qputenv("QT_WAYLAND_SHELL_INTEGRATION", "layer-shell");
-    if (!ret) {
-        qCDebug(LAYERSHELLQT) << "Unable to set QT_WAYLAND_SHELL_INTEGRATION=layer-shell";
-    }
-}

src/interfaces/shell.h

@@ -1,27 +0,0 @@
-/*
- *   SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
- *
- *   SPDX-License-Identifier: LGPL-3.0-or-later
- */
-
-#ifndef LAYERSHELLQTSHELL_H
-#define LAYERSHELLQTSHELL_H
-
-#include "layershellqt_export.h"
-#include "window.h"
-#include <QString>
-
-namespace LayerShellQt
-{
-/**
- * Sets the right environment so the shells created from now on use wlr-layer-shell.
- */
-class LAYERSHELLQT_EXPORT Shell
-{
-public:
-    static void useLayerShell();
-};
-
-}
-
-#endif

src/interfaces/window.cpp

@@ -6,12 +6,15 @@
 
 #include "window.h"
 #include "../qwaylandlayersurface_p.h"
+#include "../qwaylandlayershellintegration_p.h"
 #include <layershellqt_logging.h>
 #include <private/qwaylandshellsurface_p.h>
 #include <private/qwaylandwindow_p.h>
 
 using namespace LayerShellQt;
 
+static const char *s_interfaceKey = "__kde_layer_window";
+
 class LayerShellQt::WindowPrivate
 {
 public:
@@ -30,11 +33,9 @@ public:
     QWaylandLayerSurface *getSurface() const;
 };
 
-static QMap<QWindow *, Window *> s_map;
-
 Window::~Window()
 {
-    s_map.remove(d->parentWindow);
+    d->parentWindow->setProperty(s_interfaceKey, QVariant());
 }
 
 void Window::setAnchors(Anchors anchors)
@@ -113,20 +114,28 @@ Window::Layer Window::layer() const
     return d->layer;
 }
 
+static QWaylandLayerShellIntegration *s_integration = nullptr;
+
 Window::Window(QWindow *window)
     : QObject(window)
     , d(new WindowPrivate(window))
 {
-    s_map.insert(d->parentWindow, this);
+    Q_ASSERT(!Window::get(window));
+    window->winId(); // create platform window
+
+    QtWaylandClient::QWaylandWindow *waylandWindow = dynamic_cast<QtWaylandClient::QWaylandWindow *>(window->handle());
+    if (waylandWindow) {
+        if (!s_integration) {
+            s_integration = new QWaylandLayerShellIntegration();
+        }
+        waylandWindow->setShellIntegration(s_integration);
+        window->setProperty(s_interfaceKey, QVariant::fromValue<QObject *>(this));
+    }
 }
 
 Window *Window::get(QWindow *window)
 {
-    auto layerShellWindow = s_map.value(window);
+    return qobject_cast<Window *>(qvariant_cast<QObject *>(window->property(s_interfaceKey)));
-    if (layerShellWindow) {
-        return layerShellWindow;
-    }
-    return new Window(window);
 }
 
 QWaylandLayerSurface *WindowPrivate::getSurface() const

src/interfaces/window.h

@@ -21,6 +21,7 @@ class LAYERSHELLQT_EXPORT Window : public QObject
 {
     Q_OBJECT
 public:
+    explicit Window(QWindow *window);
     ~Window() override;
 
     enum Anchor {
@@ -85,7 +86,6 @@ public:
     static Window *get(QWindow *window);
 
 private:
-    Window(QWindow *window);
     QScopedPointer<WindowPrivate> d;
 };
 

src/layer-shell.json

@@ -1,3 +0,0 @@
-{
-    "Keys": [ "layer-shell" ]
-}

src/layer-shell.json.license

@@ -1,2 +0,0 @@
-SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
-SPDX-License-Identifier: CC0-1.0

src/qwaylandlayershell.cpp

@@ -10,9 +10,11 @@
 
 namespace LayerShellQt
 {
-QWaylandLayerShell::QWaylandLayerShell(::wl_registry *registry, uint32_t id, uint32_t version)
+QWaylandLayerShell::QWaylandLayerShell()
-    : QtWayland::zwlr_layer_shell_v1(registry, id, version)
+    : QWaylandClientExtensionTemplate<QWaylandLayerShell>(2)
+    , QtWayland::zwlr_layer_shell_v1()
 {
+    initialize();
 }
 
 QWaylandLayerShell::~QWaylandLayerShell()
@@ -21,9 +23,4 @@ QWaylandLayerShell::~QWaylandLayerShell()
         zwlr_layer_shell_v1_destroy(object());
 }
 
-QWaylandLayerSurface *QWaylandLayerShell::createLayerSurface(QtWaylandClient::QWaylandWindow *window)
-{
-    return new QWaylandLayerSurface(this, window);
-}
-
 }

src/qwaylandlayershell_p.h

@@ -10,6 +10,7 @@
 
 #include <wayland-client.h>
 
+#include <QtWaylandClient/QWaylandClientExtensionTemplate>
 #include <QtWaylandClient/private/qwaylandshellintegration_p.h>
 #include <qwayland-wlr-layer-shell-unstable-v1.h>
 
@@ -17,14 +18,11 @@
 
 namespace LayerShellQt
 {
-class LAYERSHELLQT_EXPORT QWaylandLayerShell : public QtWayland::zwlr_layer_shell_v1
+class QWaylandLayerShell : public QWaylandClientExtensionTemplate<QWaylandLayerShell>, public QtWayland::zwlr_layer_shell_v1
 {
 public:
-    QWaylandLayerShell(::wl_registry *registry, uint32_t id, uint32_t version);
+    QWaylandLayerShell();
     ~QWaylandLayerShell() override;
-
-    QWaylandLayerSurface *createLayerSurface(QtWaylandClient::QWaylandWindow *window);
-    // TODO: Popups
 };
 
 }

src/qwaylandlayershellintegration.cpp

@@ -15,6 +15,7 @@
 namespace LayerShellQt
 {
 QWaylandLayerShellIntegration::QWaylandLayerShellIntegration()
+    : m_layerShell(new QWaylandLayerShell())
 {
 }
 
@@ -22,26 +23,9 @@ QWaylandLayerShellIntegration::~QWaylandLayerShellIntegration()
 {
 }
 
-bool QWaylandLayerShellIntegration::initialize(QtWaylandClient::QWaylandDisplay *display)
-{
-    QWaylandShellIntegration::initialize(display);
-    display->addRegistryListener(registryLayer, this);
-    return m_layerShell != nullptr;
-}
-
 QtWaylandClient::QWaylandShellSurface *QWaylandLayerShellIntegration::createShellSurface(QtWaylandClient::QWaylandWindow *window)
 {
-    return m_layerShell->createLayerSurface(window);
+    return new QWaylandLayerSurface(m_layerShell.data(), window);
-}
-
-void QWaylandLayerShellIntegration::registryLayer(void *data, struct wl_registry *registry, uint32_t id, const QString &interface, uint32_t version)
-{
-    QWaylandLayerShellIntegration *shell = static_cast<QWaylandLayerShellIntegration *>(data);
-
-    if (interface == zwlr_layer_shell_v1_interface.name)
-        shell->m_layerShell.reset(new QWaylandLayerShell(registry, id, std::min(version, 4u)));
 }
 
 }
-
-//#include "qwaylandlayershellintegration.moc"

src/qwaylandlayershellintegration_p.h

@@ -8,8 +8,6 @@
 #ifndef _LAYERSHELLINTEGRATION_P_H
 #define _LAYERSHELLINTEGRATION_P_H
 
-#include <wayland-client.h>
-
 #include "layershellqt_export.h"
 #include <QtWaylandClient/private/qwaylandshellintegration_p.h>
 
@@ -23,12 +21,9 @@ public:
     QWaylandLayerShellIntegration();
     ~QWaylandLayerShellIntegration() override;
 
-    bool initialize(QtWaylandClient::QWaylandDisplay *display) override;
     QtWaylandClient::QWaylandShellSurface *createShellSurface(QtWaylandClient::QWaylandWindow *window) override;
 
 private:
-    static void registryLayer(void *data, struct wl_registry *registry, uint32_t id, const QString &interface, uint32_t version);
-
     QScopedPointer<QWaylandLayerShell> m_layerShell;
 };
 

src/qwaylandlayershellintegrationplugin.cpp

@@ -1,33 +0,0 @@
-/*
- *   SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
- *   SPDX-FileCopyrightText: 2018 Drew DeVault <sir@cmpwn.com>
- *
- *   SPDX-License-Identifier: LGPL-3.0-or-later
- */
-
-#include "qwaylandlayershellintegration_p.h"
-#include <QtWaylandClient/private/qwaylandshellintegrationplugin_p.h>
-
-using namespace LayerShellQt;
-
-class QWaylandLayerShellIntegrationPlugin : public QtWaylandClient::QWaylandShellIntegrationPlugin
-{
-    Q_OBJECT
-    Q_PLUGIN_METADATA(IID QWaylandShellIntegrationFactoryInterface_iid FILE "layer-shell.json")
-
-public:
-    QWaylandLayerShellIntegrationPlugin()
-    {
-    }
-
-    QtWaylandClient::QWaylandShellIntegration *create(const QString &key, const QStringList &paramList) override
-    {
-        Q_UNUSED(key);
-        Q_UNUSED(paramList);
-        return new QWaylandLayerShellIntegration();
-    }
-};
-
-// Q_IMPORT_PLUGIN(QWaylandLayerShellIntegrationPlugin);
-
-#include "qwaylandlayershellintegrationplugin.moc"

src/qwaylandlayersurface.cpp

@@ -5,9 +5,9 @@
  *   SPDX-License-Identifier: LGPL-3.0-or-later
  */
 
-#include "interfaces/shell.h"
 #include "qwaylandlayershell_p.h"
 #include "qwaylandlayersurface_p.h"
+#include "interfaces/window.h"
 #include "layershellqt_logging.h"
 
 #include <QtWaylandClient/private/qwaylandscreen_p.h>
@@ -20,7 +20,7 @@ QWaylandLayerSurface::QWaylandLayerSurface(QWaylandLayerShell *shell, QtWaylandC
     : QtWaylandClient::QWaylandShellSurface(window)
     , QtWayland::zwlr_layer_surface_v1()
 {
-    LayerShellQt::Window *interface = Window::get(window->window());
+    Window *interface = Window::get(window->window());
     Q_ASSERT(interface);
 
     // Qt will always assign a screen to a window, but if the compositor has no screens available a dummy QScreen object is created

tests/main.cpp

@@ -14,7 +14,6 @@
 
 #include <QMetaEnum>
 
-#include <interfaces/shell.h>
 #include <interfaces/window.h>
 
 using namespace LayerShellQt;
@@ -51,8 +50,6 @@ class BasicWindow : public QRasterWindow
 
 int main(int argc, char **argv)
 {
-    Shell::useLayerShell();
-
     QGuiApplication app(argc, argv);
 
     const auto layerMetaEnum = QMetaEnum::fromType<Window::Layer>();
@@ -78,7 +75,7 @@ int main(int argc, char **argv)
 
     BasicWindow window;
 
-    LayerShellQt::Window *layerShell = LayerShellQt::Window::get(&window);
+    LayerShellQt::Window *layerShell = new LayerShellQt::Window(&window);
     if (parser.isSet(marginsOption)) {
         int margins = parser.value(marginsOption).toInt();
         layerShell->setMargins({margins, margins, margins, margins});
@@ -102,6 +99,10 @@ int main(int argc, char **argv)
 
     window.show();
 
+    BasicWindow window2;
+    window2.resize(400, 400);
+    window2.show();
+
     // just so you don't block yourself out whilst testing
     QTimer::singleShot(5000, &app, &QGuiApplication::quit);
     return app.exec();