diff --git a/src/server/subcompositor_interface.cpp b/src/server/subcompositor_interface.cpp index 9c77a5a..dbdce92 100644 --- a/src/server/subcompositor_interface.cpp +++ b/src/server/subcompositor_interface.cpp @@ -1,347 +1,361 @@ /******************************************************************** Copyright 2014 Martin Gräßlin This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . *********************************************************************/ #include "subcompositor_interface.h" #include "subsurface_interface_p.h" #include "global_p.h" #include "display.h" #include "surface_interface_p.h" // Wayland #include namespace KWayland { namespace Server { class SubCompositorInterface::Private : public Global::Private { public: Private(SubCompositorInterface *q, Display *d); private: void bind(wl_client *client, uint32_t version, uint32_t id) override; void subsurface(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *surface, wl_resource *parent); static void unbind(wl_resource *resource); static void destroyCallback(wl_client *client, wl_resource *resource); static void subsurfaceCallback(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *surface, wl_resource *parent); static Private *cast(wl_resource *r) { return reinterpret_cast(wl_resource_get_user_data(r)); } SubCompositorInterface *q; static const struct wl_subcompositor_interface s_interface; static const quint32 s_version; }; const quint32 SubCompositorInterface::Private::s_version = 1; #ifndef DOXYGEN_SHOULD_SKIP_THIS const struct wl_subcompositor_interface SubCompositorInterface::Private::s_interface = { destroyCallback, subsurfaceCallback }; #endif SubCompositorInterface::Private::Private(SubCompositorInterface *q, Display *d) : Global::Private(d, &wl_subcompositor_interface, s_version) , q(q) { } void SubCompositorInterface::Private::bind(wl_client *client, uint32_t version, uint32_t id) { auto c = display->getConnection(client); wl_resource *resource = c->createResource(&wl_subcompositor_interface, qMin(version, s_version), id); if (!resource) { wl_client_post_no_memory(client); return; } wl_resource_set_implementation(resource, &s_interface, this, unbind); } void SubCompositorInterface::Private::unbind(wl_resource *resource) { Q_UNUSED(resource) } void SubCompositorInterface::Private::destroyCallback(wl_client *client, wl_resource *resource) { Q_UNUSED(client) Q_UNUSED(resource) wl_resource_destroy(resource); } void SubCompositorInterface::Private::subsurfaceCallback(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *surface, wl_resource *sparent) { cast(resource)->subsurface(client, resource, id, surface, sparent); } void SubCompositorInterface::Private::subsurface(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *nativeSurface, wl_resource *nativeParentSurface) { Q_UNUSED(client) SurfaceInterface *surface = SurfaceInterface::get(nativeSurface); SurfaceInterface *parentSurface = SurfaceInterface::get(nativeParentSurface); if (!surface || !parentSurface) { wl_resource_post_error(resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE, "Surface or parent surface not found"); return; } if (surface == parentSurface) { wl_resource_post_error(resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE, "Cannot become sub composite to same surface"); return; } // TODO: add check that surface is not already used in an interface (e.g. Shell) // TODO: add check that parentSurface is not a child of surface SubSurfaceInterface *s = new SubSurfaceInterface(q, resource); s->d_func()->create(display->getConnection(client), wl_resource_get_version(resource), id, surface, parentSurface); if (!s->resource()) { wl_resource_post_no_memory(resource); delete s; return; } emit q->subSurfaceCreated(s); } SubCompositorInterface::SubCompositorInterface(Display *display, QObject *parent) : Global(new Private(this, display), parent) { } SubCompositorInterface::~SubCompositorInterface() = default; #ifndef DOXYGEN_SHOULD_SKIP_THIS const struct wl_subsurface_interface SubSurfaceInterface::Private::s_interface = { destroyCallback, setPositionCallback, placeAboveCallback, placeBelowCallback, setSyncCallback, setDeSyncCallback }; #endif SubSurfaceInterface::Private::Private(SubSurfaceInterface *q, SubCompositorInterface *compositor, wl_resource *parentResource) : Resource::Private(q, compositor, parentResource, &wl_subsurface_interface, &s_interface) { } SubSurfaceInterface::Private::~Private() { // no need to notify the surface as it's tracking a QPointer which will be reset automatically if (parent) { Q_Q(SubSurfaceInterface); reinterpret_cast(parent->d.data())->removeChild(QPointer(q)); } } void SubSurfaceInterface::Private::create(ClientConnection *client, quint32 version, quint32 id, SurfaceInterface *s, SurfaceInterface *p) { create(client, version, id); if (!resource) { return; } surface = s; parent = p; Q_Q(SubSurfaceInterface); surface->d_func()->subSurface = QPointer(q); // copy current state to subSurfacePending state // it's the reference for all new pending state which needs to be committed surface->d_func()->subSurfacePending = surface->d_func()->current; surface->d_func()->subSurfacePending.blurIsSet = false; surface->d_func()->subSurfacePending.bufferIsSet = false; surface->d_func()->subSurfacePending.childrenChanged = false; surface->d_func()->subSurfacePending.contrastIsSet = false; surface->d_func()->subSurfacePending.callbacks.clear(); surface->d_func()->subSurfacePending.inputIsSet = false; surface->d_func()->subSurfacePending.inputIsInfinite = true; surface->d_func()->subSurfacePending.opaqueIsSet = false; surface->d_func()->subSurfacePending.shadowIsSet = false; surface->d_func()->subSurfacePending.slideIsSet = false; parent->d_func()->addChild(QPointer(q)); } void SubSurfaceInterface::Private::commit() { if (scheduledPosChange) { scheduledPosChange = false; pos = scheduledPos; scheduledPos = QPoint(); Q_Q(SubSurfaceInterface); emit q->positionChanged(pos); } if (surface) { surface->d_func()->commitSubSurface(); } } void SubSurfaceInterface::Private::destroyCallback(wl_client *client, wl_resource *resource) { Q_UNUSED(client) wl_resource_destroy(resource); } void SubSurfaceInterface::Private::setPositionCallback(wl_client *client, wl_resource *resource, int32_t x, int32_t y) { Q_UNUSED(client) // TODO: is this a fixed position? cast(resource)->setPosition(QPoint(x, y)); } void SubSurfaceInterface::Private::setPosition(const QPoint &p) { if (scheduledPos == p) { return; } scheduledPos = p; scheduledPosChange = true; } void SubSurfaceInterface::Private::placeAboveCallback(wl_client *client, wl_resource *resource, wl_resource *sibling) { Q_UNUSED(client) cast(resource)->placeAbove(SurfaceInterface::get(sibling)); } void SubSurfaceInterface::Private::placeAbove(SurfaceInterface *sibling) { if (parent.isNull()) { // TODO: raise error return; } Q_Q(SubSurfaceInterface); if (!parent->d_func()->raiseChild(QPointer(q), sibling)) { wl_resource_post_error(resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE, "Incorrect sibling"); } } void SubSurfaceInterface::Private::placeBelowCallback(wl_client *client, wl_resource *resource, wl_resource *sibling) { Q_UNUSED(client) cast(resource)->placeBelow(SurfaceInterface::get(sibling)); } void SubSurfaceInterface::Private::placeBelow(SurfaceInterface *sibling) { if (parent.isNull()) { // TODO: raise error return; } Q_Q(SubSurfaceInterface); if (!parent->d_func()->lowerChild(QPointer(q), sibling)) { wl_resource_post_error(resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE, "Incorrect sibling"); } } void SubSurfaceInterface::Private::setSyncCallback(wl_client *client, wl_resource *resource) { Q_UNUSED(client) cast(resource)->setMode(Mode::Synchronized); } void SubSurfaceInterface::Private::setDeSyncCallback(wl_client *client, wl_resource *resource) { Q_UNUSED(client) cast(resource)->setMode(Mode::Desynchronized); } void SubSurfaceInterface::Private::setMode(Mode m) { if (mode == m) { return; } if (m == Mode::Desynchronized && (!parent->subSurface() || !parent->subSurface()->isSynchronized())) { // no longer synchronized, this is like calling commit if (surface) { surface->d_func()->commit(); surface->d_func()->commitSubSurface(); } } mode = m; Q_Q(SubSurfaceInterface); emit q->modeChanged(m); } SubSurfaceInterface::SubSurfaceInterface(SubCompositorInterface *parent, wl_resource *parentResource) : Resource(new Private(this, parent, parentResource)) { Q_UNUSED(parent) } SubSurfaceInterface::~SubSurfaceInterface() = default; QPoint SubSurfaceInterface::position() const { Q_D(); return d->pos; } QPointer SubSurfaceInterface::surface() +{ + // TODO: remove with ABI break (KF6) + Q_D(); + return d->surface; +} + +QPointer SubSurfaceInterface::surface() const { Q_D(); return d->surface; } QPointer SubSurfaceInterface::parentSurface() +{ + // TODO: remove with ABI break (KF6) + Q_D(); + return d->parent; +} + +QPointer SubSurfaceInterface::parentSurface() const { Q_D(); return d->parent; } SubSurfaceInterface::Mode SubSurfaceInterface::mode() const { Q_D(); return d->mode; } bool SubSurfaceInterface::isSynchronized() const { Q_D(); if (d->mode == Mode::Synchronized) { return true; } if (d->parent.isNull()) { // that shouldn't happen, but let's assume false return false; } if (!d->parent->subSurface().isNull()) { // follow parent's mode return d->parent->subSurface()->isSynchronized(); } // parent is no subsurface, thus parent is in desync mode and this surface is in desync mode return false; } QPointer SubSurfaceInterface::mainSurface() const { Q_D(); if (d->parent->d_func()->subSurface) { return d->parent->d_func()->subSurface->mainSurface(); } return d->parent; } SubSurfaceInterface::Private *SubSurfaceInterface::d_func() const { return reinterpret_cast(d.data()); } } } diff --git a/src/server/subcompositor_interface.h b/src/server/subcompositor_interface.h index 674ea1d..2d9a451 100644 --- a/src/server/subcompositor_interface.h +++ b/src/server/subcompositor_interface.h @@ -1,112 +1,124 @@ /******************************************************************** Copyright 2014 Martin Gräßlin This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . *********************************************************************/ #ifndef WAYLAND_SERVER_SUBCOMPOSITOR_INTERFACE_H #define WAYLAND_SERVER_SUBCOMPOSITOR_INTERFACE_H #include #include #include #include "global.h" #include "resource.h" struct wl_resource; namespace KWayland { namespace Server { class Display; class SurfaceInterface; class SubSurfaceInterface; class KWAYLANDSERVER_EXPORT SubCompositorInterface : public Global { Q_OBJECT public: virtual ~SubCompositorInterface(); Q_SIGNALS: void subSurfaceCreated(KWayland::Server::SubSurfaceInterface*); private: explicit SubCompositorInterface(Display *display, QObject *parent = nullptr); friend class Display; class Private; }; class KWAYLANDSERVER_EXPORT SubSurfaceInterface : public Resource { Q_OBJECT Q_PROPERTY(QPoint position READ position NOTIFY positionChanged) Q_PROPERTY(KWayland::Server::SubSurfaceInterface::Mode mode READ mode NOTIFY modeChanged) public: virtual ~SubSurfaceInterface(); QPoint position() const; enum class Mode { Synchronized, Desynchronized }; Mode mode() const; /** * Whether this SubSurfaceInterface is in synchronized mode. * A SubSurface is in synchronized mode if either @link mode is * @c Mode::Synchronized or if the parent surface is in synchronized * mode. If a SubSurfaceInterface is in synchronized mode all child * SubSurfaceInterfaces are also in synchronized mode ignoring the actual mode. * @returns Whether this SubSurfaceInterface is in synchronized mode. * @see mode * @since 5.7 **/ bool isSynchronized() const; + // TODO: remove with ABI break (KF6) QPointer surface(); + /** + * @returns The surface this SubSurfaceInterface was created on. + * @since 5.7 + **/ + QPointer surface() const; + // TODO: remove with ABI break (KF6) QPointer parentSurface(); + /** + * @returns The parent surface for which this SubSurfaceInterface is a child + * @since 5.7 + **/ + QPointer parentSurface() const; /** * @returns the main surface for the sub-surface tree, that is the first surface without a parent * @since 5.7 **/ QPointer mainSurface() const; Q_SIGNALS: void positionChanged(const QPoint&); void modeChanged(KWayland::Server::SubSurfaceInterface::Mode); private: friend class SubCompositorInterface; friend class SurfaceInterface; explicit SubSurfaceInterface(SubCompositorInterface *parent, wl_resource *parentResource); class Private; Private *d_func() const; }; } } Q_DECLARE_METATYPE(KWayland::Server::SubSurfaceInterface::Mode) #endif