Subsurface implementation, with C++ API

This adds support for subsurfaces to QWaylandCompositor and
QWaylandSurface.

Task-number: QTBUG-49809
Change-Id: I2fa9ee4dcd1f48a2a28dab536f9cd6edc716e42b
Reviewed-by: Giulio Camuffo <giuliocamuffo@gmail.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/compositor/compositor_api/qwaylandsurface.cpp b/src/compositor/compositor_api/qwaylandsurface.cpp
index 9391164cf..ed028824f 100644
--- a/src/compositor/compositor_api/qwaylandsurface.cpp
+++ b/src/compositor/compositor_api/qwaylandsurface.cpp
@@ -130,6 +130,7 @@ QWaylandSurfacePrivate::QWaylandSurfacePrivate()
     , mapped(false)
     , isInitialized(false)
     , contentOrientation(Qt::PrimaryOrientation)
+    , subsurface(0)
 {
     pending.buffer = 0;
     pending.newlyAttached = false;
@@ -777,4 +778,50 @@ void QWaylandSurfacePrivate::derefView(QWaylandView *view)
     }
 }
 
+void QWaylandSurfacePrivate::initSubsurface(QWaylandSurface *parent, wl_client *client, int id, int version)
+{
+    Q_Q(QWaylandSurface);
+    QWaylandSurface *oldParent = 0; // TODO: implement support for switching parents
+
+    subsurface = new Subsurface(this);
+    subsurface->init(client, id, version);
+    subsurface->parentSurface = parent->d_func();
+    emit q->parentChanged(parent, oldParent);
+    emit parent->childAdded(q);
+}
+
+void QWaylandSurfacePrivate::Subsurface::subsurface_set_position(wl_subsurface::Resource *resource, int32_t x, int32_t y)
+{
+    Q_UNUSED(resource);
+    position = QPoint(x,y);
+    emit surface->q_func()->subsurfacePositionChanged(position);
+
+}
+
+void QWaylandSurfacePrivate::Subsurface::subsurface_place_above(wl_subsurface::Resource *resource, struct wl_resource *sibling)
+{
+    Q_UNUSED(resource);
+    emit surface->q_func()->subsurfacePlaceAbove(QWaylandSurface::fromResource(sibling));
+}
+
+void QWaylandSurfacePrivate::Subsurface::subsurface_place_below(wl_subsurface::Resource *resource, struct wl_resource *sibling)
+{
+    Q_UNUSED(resource);
+    emit surface->q_func()->subsurfacePlaceBelow(QWaylandSurface::fromResource(sibling));
+}
+
+void QWaylandSurfacePrivate::Subsurface::subsurface_set_sync(wl_subsurface::Resource *resource)
+{
+    Q_UNUSED(resource);
+    // TODO: sync/desync implementation
+    qDebug() << Q_FUNC_INFO;
+}
+
+void QWaylandSurfacePrivate::Subsurface::subsurface_set_desync(wl_subsurface::Resource *resource)
+{
+    Q_UNUSED(resource);
+    // TODO: sync/desync implementation
+    qDebug() << Q_FUNC_INFO;
+}
+
 QT_END_NAMESPACE