Port QtWayland.Compositor to new QML extension API

In order to add new properties and types in Qt 6, we
need to port everything over to the new extension API
in QML. This is generally more type safe and needs
less manual maintenance, but there is some work involved
in porting.

The previous version exposed some types from
the QtWaylandCompositor C++ library, extended a few
of them with Qt Quick-specific subclass, added
one additional C++-implemented type (QWaylandMouseTracker)
and two additional QML-implemented types.

We need all types to be defined in the same place for
the automatic generation of plugins.qmltypes to work.
Therefore all the additional types are moved from the
plugin into the library, but still not exposed through
public API.

The plugin still exposes the types, so for the user this
change will be transparent.

Fixes: QTBUG-85512
Change-Id: I46e9e80424c9299c3eaee92773d233b1ec29cf2c
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/compositor/compositor_api/qwaylandquickitem.h b/src/compositor/compositor_api/qwaylandquickitem.h
index 1f4cae5b9..ef1b6c763 100644
--- a/src/compositor/compositor_api/qwaylandquickitem.h
+++ b/src/compositor/compositor_api/qwaylandquickitem.h
@@ -63,6 +63,8 @@ class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandQuickItem : public QQuickItem
     Q_PROPERTY(bool bufferLocked READ isBufferLocked WRITE setBufferLocked NOTIFY bufferLockedChanged)
     Q_PROPERTY(bool allowDiscardFrontBuffer READ allowDiscardFrontBuffer WRITE setAllowDiscardFrontBuffer NOTIFY allowDiscardFrontBufferChanged)
     Q_MOC_INCLUDE("qwaylandcompositor.h")
+    QML_NAMED_ELEMENT(WaylandQuickItem)
+    QML_ADDED_IN_VERSION(1, 0)
 public:
     QWaylandQuickItem(QQuickItem *parent = nullptr);
     ~QWaylandQuickItem() override;