wayland: store layer properties
[staging/windowmanager.git] / src / wayland.cpp
index 4f1dbd1..66efb72 100644 (file)
@@ -15,24 +15,27 @@ namespace wl {
 //  \__,_|_|___/ .__/|_|\__,_|\__, |
 //             |_|            |___/
 display::display()
-   : d(std::unique_ptr<wl_display, void (*)(wl_display *)>(
+   : d(std::unique_ptr<struct wl_display,
+                       std::function<void(struct wl_display *)>>(
         wl_display_connect(NULL),
-        [](wl_display *d) {
-           logdebug("wl::display %s @ %p", __func__, d);
+        [](struct wl_display *d) {
+           logdebug("wl::display ~display @ %p", d);
            wl_display_disconnect(d);
         })),
-     r(std::make_unique<registry>(d.get())) {}
+     r(!d ? nullptr : std::make_unique<struct registry>(d.get())) {}
 
 display::~display() {}
 
-bool display::ok() const {
-   return d.get() != nullptr && wl_display_get_error(d.get()) == 0;
-}
+bool display::ok() const { return d && wl_display_get_error(d.get()) == 0; }
 
 void display::roundtrip() { wl_display_roundtrip(this->d.get()); }
 
 int display::dispatch() { return wl_display_dispatch(this->d.get()); }
 
+void display::flush() { wl_display_flush(this->d.get()); }
+
+int display::get_fd() const { return wl_display_get_fd(this->d.get()); }
+
 //                 _     _
 //  _ __ ___  __ _(_)___| |_ _ __ _   _
 // | '__/ _ \/ _` | / __| __| '__| | | |
@@ -42,19 +45,21 @@ int display::dispatch() { return wl_display_dispatch(this->d.get()); }
 namespace {
 void registry_global(void *data, struct wl_registry *r, uint32_t name,
                      char const *iface, uint32_t v) {
-   static_cast<registry *>(data)->global(name, iface, v);
+   static_cast<struct registry *>(data)->global(name, iface, v);
 }
 
 void registry_global_remove(void *data, struct wl_registry *r, uint32_t name) {
-   static_cast<registry *>(data)->global_remove(name);
+   static_cast<struct registry *>(data)->global_remove(name);
 }
 
-constexpr wl_registry_listener registry_listener = {registry_global,
-                                                    registry_global_remove};
+constexpr struct wl_registry_listener registry_listener = {
+   registry_global, registry_global_remove};
 }
 
-registry::registry(wl_display *d) : wayland_proxy(wl_display_get_registry(d)) {
-   wl_registry_add_listener(this->proxy, &registry_listener, this);
+registry::registry(struct wl_display *d)
+   : wayland_proxy(!d ? nullptr : wl_display_get_registry(d)) {
+   if (this->proxy)
+      wl_registry_add_listener(this->proxy, &registry_listener, this);
 }
 
 registry::~registry() {
@@ -87,28 +92,28 @@ void output_geometry(void *data, struct wl_output *wl_output, int32_t x,
                      int32_t y, int32_t physical_width, int32_t physical_height,
                      int32_t subpixel, const char *make, const char *model,
                      int32_t transform) {
-   static_cast<output *>(data)->geometry(x, y, physical_width, physical_height,
-                                         subpixel, make, model, transform);
+   static_cast<struct output *>(data)->geometry(
+      x, y, physical_width, physical_height, subpixel, make, model, transform);
 }
 
 void output_mode(void *data, struct wl_output *wl_output, uint32_t flags,
                  int32_t width, int32_t height, int32_t refresh) {
-   static_cast<output *>(data)->mode(flags, width, height, refresh);
+   static_cast<struct output *>(data)->mode(flags, width, height, refresh);
 }
 
 void output_done(void *data, struct wl_output *wl_output) {
-   static_cast<output *>(data)->done();
+   static_cast<struct output *>(data)->done();
 }
 
 void output_scale(void *data, struct wl_output *wl_output, int32_t factor) {
-   static_cast<output *>(data)->scale(factor);
+   static_cast<struct output *>(data)->scale(factor);
 }
 
-constexpr wl_output_listener output_listener = {output_geometry, output_mode,
-                                                output_done, output_scale};
+constexpr struct wl_output_listener output_listener = {
+   output_geometry, output_mode, output_done, output_scale};
 }
 
-output::output(wl_registry *r, uint32_t name, uint32_t v)
+output::output(struct wl_registry *r, uint32_t name, uint32_t v)
    : wayland_proxy(wl_registry_bind(r, name, &wl_output_interface, v)) {
    wl_output_add_listener(this->proxy, &output_listener, this);
 }
@@ -124,6 +129,11 @@ void output::geometry(int32_t x, int32_t y, int32_t pw, int32_t ph,
 void output::mode(uint32_t flags, int32_t w, int32_t h, int32_t r) {
    logdebug("wl::output %s @ %p f %x w %i h %i r %i", __func__, this->proxy,
             flags, w, h, r);
+   if (flags & WL_OUTPUT_MODE_CURRENT) {
+      this->width = w;
+      this->height = h;
+      this->refresh = r;
+   }
 }
 
 void output::done() {
@@ -158,56 +168,70 @@ namespace {
 void controller_screen(void *data, struct ivi_controller *ivi_controller,
                        uint32_t id_screen,
                        struct ivi_controller_screen *screen) {
-   static_cast<controller *>(data)->screen(id_screen, screen);
+   static_cast<struct controller *>(data)->controller_screen(id_screen, screen);
 }
 
 void controller_layer(void *data, struct ivi_controller *ivi_controller,
                       uint32_t id_layer) {
-   static_cast<controller *>(data)->layer(id_layer);
+   static_cast<struct controller *>(data)->controller_layer(id_layer);
 }
 
 void controller_surface(void *data, struct ivi_controller *ivi_controller,
                         uint32_t id_surface) {
-   static_cast<controller *>(data)->surface(id_surface);
+   static_cast<struct controller *>(data)->controller_surface(id_surface);
 }
 
 void controller_error(void *data, struct ivi_controller *ivi_controller,
                       int32_t object_id, int32_t object_type,
                       int32_t error_code, const char *error_text) {
-   static_cast<controller *>(data)->error(object_id, object_type, error_code,
-                                          error_text);
+   static_cast<struct controller *>(data)->controller_error(
+      object_id, object_type, error_code, error_text);
 }
 
-constexpr ivi_controller_listener listener = {
+constexpr struct ivi_controller_listener listener = {
    controller_screen, controller_layer, controller_surface, controller_error};
 }
 
-controller::controller(wl_registry *r, uint32_t name, uint32_t version)
+controller::controller(struct wl_registry *r, uint32_t name, uint32_t version)
    : wayland_proxy(
-        wl_registry_bind(r, name, &ivi_controller_interface, version)) {
+        wl_registry_bind(r, name, &ivi_controller_interface, version)),
+     surfaces{},
+     layers{},
+     screens{},
+     pending{},
+     output_size{} {
    ivi_controller_add_listener(this->proxy, &listener, this);
 }
 
 controller::~controller() {}
 
-void controller::screen(uint32_t id, struct ivi_controller_screen *screen) {
+void controller::layer_create(uint32_t id, int32_t w, int32_t h) {
+   this->layers[id] = std::make_unique<layer>(id, w, h, this);
+}
+
+void controller::surface_create(uint32_t id) {
+   this->surfaces[id] = std::make_unique<surface>(id, this);
+}
+
+void controller::controller_screen(uint32_t id,
+                                   struct ivi_controller_screen *screen) {
    logdebug("genivi::controller @ %p screen %u (%x) @ %p", this->proxy, id, id,
             screen);
-   this->screens[id] = std::make_unique<struct screen>(id, screen);
+   this->screens[id] = std::make_unique<struct screen>(id, this, screen);
 }
 
-void controller::layer(uint32_t id) {
+void controller::controller_layer(uint32_t id) {
    logdebug("genivi::controller @ %p layer %u (%x)", this->proxy, id, id);
-   this->layers[id] = std::make_unique<struct layer>(id, this->proxy);
+   this->layers[id] = std::make_unique<struct layer>(id, this);
 }
 
-void controller::surface(uint32_t id) {
+void controller::controller_surface(uint32_t id) {
    logdebug("genivi::controller @ %p surface %u (%x)", this->proxy, id, id);
-   this->surfaces[id] = std::make_unique<struct surface>(id, this->proxy);
+   this->surfaces[id] = std::make_unique<struct surface>(id, this);
 }
 
-void controller::error(int32_t object_id, int32_t object_type,
-                       int32_t error_code, const char *error_text) {
+void controller::controller_error(int32_t object_id, int32_t object_type,
+                                  int32_t error_code, const char *error_text) {
    logdebug("genivi::controller @ %p error o %i t %i c %i text %s", this->proxy,
             object_id, object_type, error_code, error_text);
 }
@@ -222,51 +246,59 @@ namespace {
 void layer_visibility(void *data,
                       struct ivi_controller_layer *ivi_controller_layer,
                       int32_t visibility) {
-   static_cast<layer *>(data)->visibility(visibility);
+   static_cast<struct layer *>(data)->parent->layer_visibility(
+      static_cast<struct layer *>(data)->id, visibility);
 }
 
 void layer_opacity(void *data,
                    struct ivi_controller_layer *ivi_controller_layer,
                    wl_fixed_t opacity) {
-   static_cast<layer *>(data)->opacity(wl_fixed_to_double(opacity));
+   static_cast<struct layer *>(data)->parent->layer_opacity(
+      static_cast<struct layer *>(data)->id, wl_fixed_to_double(opacity));
 }
 
 void layer_source_rectangle(void *data,
                             struct ivi_controller_layer *ivi_controller_layer,
                             int32_t x, int32_t y, int32_t width,
                             int32_t height) {
-   static_cast<layer *>(data)->source_rectangle(x, y, width, height);
+   static_cast<struct layer *>(data)->parent->layer_source_rectangle(
+      static_cast<struct layer *>(data)->id, x, y, width, height);
 }
 
 void layer_destination_rectangle(
    void *data, struct ivi_controller_layer *ivi_controller_layer, int32_t x,
    int32_t y, int32_t width, int32_t height) {
-   static_cast<layer *>(data)->destination_rectangle(x, y, width, height);
+   static_cast<struct layer *>(data)->parent->layer_destination_rectangle(
+      static_cast<struct layer *>(data)->id, x, y, width, height);
 }
 
 void layer_configuration(void *data,
                          struct ivi_controller_layer *ivi_controller_layer,
                          int32_t width, int32_t height) {
-   static_cast<layer *>(data)->configuration(width, height);
+   static_cast<struct layer *>(data)->parent->layer_configuration(
+      static_cast<struct layer *>(data)->id, width, height);
 }
 
 void layer_orientation(void *data,
                        struct ivi_controller_layer *ivi_controller_layer,
                        int32_t orientation) {
-   static_cast<layer *>(data)->orientation(orientation);
+   static_cast<struct layer *>(data)->parent->layer_orientation(
+      static_cast<struct layer *>(data)->id, orientation);
 }
 
 void layer_screen(void *data, struct ivi_controller_layer *ivi_controller_layer,
                   struct wl_output *screen) {
-   static_cast<layer *>(data)->screen(screen);
+   static_cast<struct layer *>(data)->parent->layer_screen(
+      static_cast<struct layer *>(data)->id, screen);
 }
 
 void layer_destroyed(void *data,
                      struct ivi_controller_layer *ivi_controller_layer) {
-   static_cast<layer *>(data)->destroyed();
+   static_cast<struct layer *>(data)->parent->layer_destroyed(
+      static_cast<struct layer *>(data)->id);
 }
 
-constexpr ivi_controller_layer_listener layer_listener = {
+constexpr struct ivi_controller_layer_listener layer_listener = {
    layer_visibility,       layer_opacity,
    layer_source_rectangle, layer_destination_rectangle,
    layer_configuration,    layer_orientation,
@@ -274,8 +306,11 @@ constexpr ivi_controller_layer_listener layer_listener = {
 };
 }
 
-layer::layer(uint32_t i, ivi_controller *c)
-   : wayland_proxy(ivi_controller_layer_create(c, i, 0, 0)), id(i) {
+layer::layer(uint32_t i, struct controller *c) : layer(i, 0, 0, c) {}
+
+layer::layer(uint32_t i, int32_t w, int32_t h, struct controller *c)
+   : wayland_proxy(ivi_controller_layer_create(c->proxy, i, w, h)),
+     controlled_entity(c, i) {
    ivi_controller_layer_add_listener(this->proxy, &layer_listener, this);
 }
 
@@ -285,40 +320,47 @@ layer::~layer() {
    this->proxy = nullptr;
 }
 
-void layer::visibility(int32_t visibility) {
+void controller::layer_visibility(uint32_t id, int32_t visibility) {
    logdebug("genivi::layer %s @ %p v %i", __func__, this->proxy, visibility);
+   this->layers[id]->visibility = visibility;
 }
 
-void layer::opacity(float opacity) {
+void controller::layer_opacity(uint32_t id, float opacity) {
    logdebug("genivi::layer %s @ %p o %f", __func__, this->proxy, opacity);
+   this->layers[id]->opacity = opacity;
 }
 
-void layer::source_rectangle(int32_t x, int32_t y, int32_t width,
-                             int32_t height) {
+void controller::layer_source_rectangle(uint32_t id, int32_t x, int32_t y,
+                                        int32_t width, int32_t height) {
    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
             x, y, width, height);
+   this->layers[id]->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 }
 
-void layer::destination_rectangle(int32_t x, int32_t y, int32_t width,
-                                  int32_t height) {
+void controller::layer_destination_rectangle(uint32_t id, int32_t x, int32_t y,
+                                             int32_t width, int32_t height) {
    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
             x, y, width, height);
+   this->layers[id]->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 }
 
-void layer::configuration(int32_t width, int32_t height) {
+void controller::layer_configuration(uint32_t id, int32_t width,
+                                     int32_t height) {
    logdebug("genivi::layer %s @ %p w %i h %i", __func__, this->proxy, width,
             height);
+   this->layers[id]->size = size{uint32_t(width), uint32_t(height)};
 }
 
-void layer::orientation(int32_t orientation) {
+void controller::layer_orientation(uint32_t id, int32_t orientation) {
    logdebug("genivi::layer %s @ %p o %i", __func__, this->proxy, orientation);
+   this->layers[id]->orientation = orientation;
 }
 
-void layer::screen(struct wl_output *screen) {
+void controller::layer_screen(uint32_t id, struct wl_output *screen) {
    logdebug("genivi::layer %s @ %p s %p", __func__, this->proxy, screen);
 }
 
-void layer::destroyed() {
+void controller::layer_destroyed(uint32_t id) {
    logdebug("genivi::layer %s @ %p", __func__, this->proxy);
 }
 
@@ -333,49 +375,57 @@ namespace {
 void surface_visibility(void *data,
                         struct ivi_controller_surface *ivi_controller_surface,
                         int32_t visibility) {
-   static_cast<surface *>(data)->visibility(visibility);
+   static_cast<struct surface *>(data)->parent->surface_visibility(
+      static_cast<struct surface *>(data)->id, visibility);
 }
 
 void surface_opacity(void *data,
                      struct ivi_controller_surface *ivi_controller_surface,
                      wl_fixed_t opacity) {
-   static_cast<surface *>(data)->opacity(wl_fixed_to_double(opacity));
+   static_cast<struct surface *>(data)->parent->surface_opacity(
+      static_cast<struct surface *>(data)->id, wl_fixed_to_double(opacity));
 }
 
 void surface_source_rectangle(
    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
    int32_t y, int32_t width, int32_t height) {
-   static_cast<surface *>(data)->source_rectangle(x, y, width, height);
+   static_cast<struct surface *>(data)->parent->surface_source_rectangle(
+      static_cast<struct surface *>(data)->id, x, y, width, height);
 }
 
 void surface_destination_rectangle(
    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
    int32_t y, int32_t width, int32_t height) {
-   static_cast<surface *>(data)->destination_rectangle(x, y, width, height);
+   static_cast<struct surface *>(data)->parent->surface_destination_rectangle(
+      static_cast<struct surface *>(data)->id, x, y, width, height);
 }
 
 void surface_configuration(
    void *data, struct ivi_controller_surface *ivi_controller_surface,
    int32_t width, int32_t height) {
-   static_cast<surface *>(data)->configuration(width, height);
+   static_cast<struct surface *>(data)->parent->surface_configuration(
+      static_cast<struct surface *>(data)->id, width, height);
 }
 
 void surface_orientation(void *data,
                          struct ivi_controller_surface *ivi_controller_surface,
                          int32_t orientation) {
-   static_cast<surface *>(data)->orientation(orientation);
+   static_cast<struct surface *>(data)->parent->surface_orientation(
+      static_cast<struct surface *>(data)->id, orientation);
 }
 
 void surface_pixelformat(void *data,
                          struct ivi_controller_surface *ivi_controller_surface,
                          int32_t pixelformat) {
-   static_cast<surface *>(data)->pixelformat(pixelformat);
+   static_cast<struct surface *>(data)->parent->surface_pixelformat(
+      static_cast<struct surface *>(data)->id, pixelformat);
 }
 
 void surface_layer(void *data,
                    struct ivi_controller_surface *ivi_controller_surface,
                    struct ivi_controller_layer *layer) {
-   static_cast<surface *>(data)->layer(layer);
+   static_cast<struct surface *>(data)->parent->surface_layer(
+      static_cast<struct surface *>(data)->id, layer);
 }
 
 void surface_stats(void *data,
@@ -383,22 +433,25 @@ void surface_stats(void *data,
                    uint32_t redraw_count, uint32_t frame_count,
                    uint32_t update_count, uint32_t pid,
                    const char *process_name) {
-   static_cast<surface *>(data)->stats(redraw_count, frame_count, update_count,
-                                       pid, process_name);
+   static_cast<struct surface *>(data)->parent->surface_stats(
+      static_cast<struct surface *>(data)->id, redraw_count, frame_count,
+      update_count, pid, process_name);
 }
 
 void surface_destroyed(void *data,
                        struct ivi_controller_surface *ivi_controller_surface) {
-   static_cast<surface *>(data)->destroyed();
+   static_cast<struct surface *>(data)->parent->surface_destroyed(
+      static_cast<struct surface *>(data)->id);
 }
 
 void surface_content(void *data,
                      struct ivi_controller_surface *ivi_controller_surface,
                      int32_t content_state) {
-   static_cast<surface *>(data)->content(content_state);
+   static_cast<struct surface *>(data)->parent->surface_content(
+      static_cast<struct surface *>(data)->id, content_state);
 }
 
-static constexpr ivi_controller_surface_listener surface_listener = {
+constexpr struct ivi_controller_surface_listener surface_listener = {
    surface_visibility,
    surface_opacity,
    surface_source_rectangle,
@@ -413,8 +466,15 @@ static constexpr ivi_controller_surface_listener surface_listener = {
 };
 }
 
-surface::surface(uint32_t i, ivi_controller *c)
-   : wayland_proxy(ivi_controller_surface_create(c, i)), id(i) {
+surface::surface(uint32_t i, struct controller *c)
+   : wayland_proxy(ivi_controller_surface_create(c->proxy, i)),
+     controlled_entity(c, i),
+     dst_rect{},
+     src_rect{},
+     size{},
+     orientation{},
+     visibility{},
+     opacity{1.f} {
    ivi_controller_surface_add_listener(this->proxy, &surface_listener, this);
 }
 
@@ -424,66 +484,96 @@ surface::~surface() {
    this->proxy = nullptr;
 }
 
-void surface::visibility(int32_t visibility) {
+void controller::surface_visibility(uint32_t id, int32_t visibility) {
    logdebug("genivi::surface %s @ %p v %i", __func__, this->proxy, visibility);
+   struct surface *s = this->surfaces[id].get();
+   s->visibility = visibility;
 }
 
-void surface::opacity(float opacity) {
+void controller::surface_opacity(uint32_t id, float opacity) {
    logdebug("genivi::surface %s @ %p o %f", __func__, this->proxy, opacity);
+   struct surface *s = this->surfaces[id].get();
+   s->opacity = opacity;
 }
 
-void surface::source_rectangle(int32_t x, int32_t y, int32_t width,
-                               int32_t height) {
+void controller::surface_source_rectangle(uint32_t id, int32_t x, int32_t y,
+                                          int32_t width, int32_t height) {
    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
             this->proxy, x, y, width, height);
+   struct surface *s = this->surfaces[id].get();
+   s->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 }
 
-void surface::destination_rectangle(int32_t x, int32_t y, int32_t width,
-                                    int32_t height) {
+void controller::surface_destination_rectangle(uint32_t id, int32_t x,
+                                               int32_t y, int32_t width,
+                                               int32_t height) {
    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
             this->proxy, x, y, width, height);
+   struct surface *s = this->surfaces[id].get();
+   s->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 }
 
-void surface::configuration(int32_t width, int32_t height) {
+void controller::surface_configuration(uint32_t id, int32_t width,
+                                       int32_t height) {
    logdebug("genivi::surface %s @ %p w %i h %i", __func__, this->proxy, width,
             height);
-}
-
-void surface::orientation(int32_t orientation) {
+   struct surface *s = this->surfaces[id].get();
+   bool center = int(s->size.w) != int(width) && int(s->size.h) != int(height);
+   s->size = size{uint32_t(width), uint32_t(height)};
+   if (center)
+      add_task("fullscreen surface", [id](struct controller *c) {
+         c->surfaces[id]->set_destination_rectangle(0, 0, c->output_size.w, c->output_size.h);
+         c->surfaces[id]->set_visibility(1);
+         c->layers[100]->add_surface(c->surfaces[id].get());
+         c->layers[100]->set_visibility(1);
+      });
+}
+
+void controller::surface_orientation(uint32_t id, int32_t orientation) {
    logdebug("genivi::surface %s @ %p o %i", __func__, this->proxy, orientation);
+   struct surface *s = this->surfaces[id].get();
+   s->orientation = orientation;
 }
 
-void surface::pixelformat(int32_t pixelformat) {
+void controller::surface_pixelformat(uint32_t id, int32_t pixelformat) {
    logdebug("genivi::surface %s @ %p f %i", __func__, this->proxy, pixelformat);
 }
 
-void surface::layer(struct ivi_controller_layer *layer) {
+void controller::surface_layer(uint32_t id,
+                               struct ivi_controller_layer *layer) {
    logdebug("genivi::surface %s @ %p l @ %p", __func__, this->proxy, layer);
 }
 
-void surface::stats(uint32_t redraw_count, uint32_t frame_count,
-                    uint32_t update_count, uint32_t pid,
-                    const char *process_name) {
+void controller::surface_stats(uint32_t id, uint32_t redraw_count,
+                               uint32_t frame_count, uint32_t update_count,
+                               uint32_t pid, const char *process_name) {
    logdebug("genivi::surface %s @ %p r %u f %u u %u pid %u p %s", __func__,
             this->proxy, redraw_count, frame_count, update_count, pid,
             process_name);
 }
 
-void surface::destroyed() {
+void controller::surface_destroyed(uint32_t id) {
    logdebug("genivi::surface %s @ %p", __func__, this->proxy);
 }
 
-void surface::content(int32_t content_state) {
+void controller::surface_content(uint32_t id, int32_t content_state) {
    logdebug("genivi::surface %s @ %p s %i", __func__, this->proxy,
             content_state);
+   if (content_state == IVI_CONTROLLER_SURFACE_CONTENT_STATE_CONTENT_REMOVED) {
+      add_task("remove surface",
+               [id](struct controller *c) { c->surfaces.erase(id); });
+   }
 }
 
 //
-// ___  ___ _ __ ___  ___ _ __
-/// __|/ __| '__/ _ \/ _ \ '_ \
-//\__ \ (__| | |  __/  __/ | | |
-//|___/\___|_|  \___|\___|_| |_|
+//  ___  ___ _ __ ___  ___ _ __
+// / __|/ __| '__/ _ \/ _ \ '_ \
+// \__ \ (__| | |  __/  __/ | | |
+// |___/\___|_|  \___|\___|_| |_|
 //
-screen::screen(uint32_t i, ivi_controller_screen *p)
-   : wayland_proxy(p), id(i) {}
+screen::screen(uint32_t i, struct controller *c,
+               struct ivi_controller_screen *p)
+   : wayland_proxy(p), controlled_entity(c, i) {
+   logdebug("genivi::screen @ %p id %u", p, i);
+}
 }