xwayland: add signals for configure, set_{class,title}

include/rootston/view.h

@@ -31,6 +31,7 @@ struct roots_xwayland_surface {
 	struct roots_view *view;
 	// TODO: Maybe destroy listener should go in roots_view
 	struct wl_listener destroy;
+	struct wl_listener request_configure;
 };
 
 enum roots_view_type {

include/wlr/types/wlr_wl_shell.h

@@ -106,7 +106,7 @@ void wlr_wl_shell_destroy(struct wlr_wl_shell *wlr_wl_shell);
 
 void wlr_wl_shell_surface_ping(struct wlr_wl_shell_surface *surface);
 void wlr_wl_shell_surface_configure(struct wlr_wl_shell_surface *surface,
-	uint32_t edges, int32_t width, int32_t height);
+	enum wl_shell_surface_resize edges, int32_t width, int32_t height);
 void wlr_wl_shell_surface_popup_done(struct wlr_wl_shell_surface *surface);
 
 #endif

include/wlr/xwayland.h

@@ -47,18 +47,28 @@ struct wlr_xwayland_surface {
 
 	struct {
 		struct wl_signal destroy;
+
+		struct wl_signal request_configure;
+
+		struct wl_signal set_title;
+		struct wl_signal set_class;
 	} events;
 
 	void *data;
 };
 
+struct wlr_xwayland_surface_configure_event {
+	struct wlr_xwayland_surface *surface;
+	int16_t x, y;
+	uint16_t width, height;
+};
+
 void wlr_xwayland_destroy(struct wlr_xwayland *wlr_xwayland);
 struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display,
 	struct wlr_compositor *compositor);
 void wlr_xwayland_surface_activate(struct wlr_xwayland *wlr_xwayland,
 	struct wlr_xwayland_surface *surface);
-void wlr_xwayland_surface_configure(struct wlr_xwm *xwm,
+void wlr_xwayland_surface_configure(struct wlr_xwayland *wlr_xwayland,
-	struct wlr_xwayland_surface *surface, uint32_t x, uint32_t y,
+	struct wlr_xwayland_surface *surface);
-	uint32_t width, uint32_t height);
 
 #endif

rootston/xwayland.c

@@ -17,7 +17,25 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	free(roots_surface);
 }
 
-static void x11_activate(struct roots_view *view, bool active) {
+static void handle_configure(struct wl_listener *listener, void *data) {
+	struct roots_xwayland_surface *roots_surface =
+		wl_container_of(listener, roots_surface, destroy);
+	struct wlr_xwayland_surface_configure_event *event = data;
+	struct wlr_xwayland_surface *xwayland_surface = event->surface;
+
+	xwayland_surface->x = event->x;
+	xwayland_surface->y = event->y;
+	xwayland_surface->width = event->width;
+	xwayland_surface->height = event->height;
+
+	roots_surface->view->x = (double) event->x;
+	roots_surface->view->y = (double) event->y;
+
+	wlr_xwayland_surface_configure(roots_surface->view->desktop->xwayland,
+		xwayland_surface);
+}
+
+static void activate(struct roots_view *view, bool active) {
 	wlr_xwayland_surface_activate(view->desktop->xwayland,
 		view->xwayland_surface);
 }
@@ -35,15 +53,20 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	wl_list_init(&roots_surface->destroy.link);
 	roots_surface->destroy.notify = handle_destroy;
 	wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
+	wl_list_init(&roots_surface->request_configure.link);
+	roots_surface->request_configure.notify = handle_configure;
+	wl_signal_add(&surface->events.request_configure,
+		&roots_surface->request_configure);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	view->type = ROOTS_XWAYLAND_VIEW;
-	view->x = view->y = 200;
+	view->x = (double) surface->x;
+	view->y = (double) surface->y;
 	view->xwayland_surface = surface;
 	view->roots_xwayland_surface = roots_surface;
 	view->wlr_surface = surface->surface;
 	view->desktop = desktop;
-	view->activate = x11_activate;
+	view->activate = activate;
 	roots_surface->view = view;
 	list_add(desktop->views, view);
 }

xwayland/xwm.c

@@ -61,6 +61,9 @@ static struct wlr_xwayland_surface *wlr_xwayland_surface_create(
 	surface->override_redirect = override_redirect;
 	wl_list_insert(&xwm->new_surfaces, &surface->link);
 	wl_signal_init(&surface->events.destroy);
+	wl_signal_init(&surface->events.request_configure);
+	wl_signal_init(&surface->events.set_class);
+	wl_signal_init(&surface->events.set_title);
 	return surface;
 }
 
@@ -112,6 +115,7 @@ static void read_surface_class(struct wlr_xwm *xwm,
 	}
 
 	wlr_log(L_DEBUG, "XCB_ATOM_WM_CLASS: %s %s", surface->instance, surface->class);
+	wl_signal_emit(&surface->events.set_class, surface);
 }
 
 static void read_surface_title(struct wlr_xwm *xwm,
@@ -135,6 +139,7 @@ static void read_surface_title(struct wlr_xwm *xwm,
 	}
 
 	wlr_log(L_DEBUG, "XCB_ATOM_WM_NAME: %s", surface->title);
+	wl_signal_emit(&surface->events.set_title, surface);
 }
 
 static void read_surface_parent(struct wlr_xwm *xwm,
@@ -233,14 +238,32 @@ static void handle_configure_request(struct wlr_xwm *xwm,
 		return;
 	}
 
+	// TODO: handle ev->{parent,sibling}?
+
+	if (surface->surface == NULL) {
+		// Surface has not been mapped yet
 		surface->x = ev->x;
 		surface->y = ev->y;
 		surface->width = ev->width;
 		surface->height = ev->height;
-	// TODO: handle parent/sibling?
+		wlr_xwayland_surface_configure(xwm->xwayland, surface);
+	} else {
+		struct wlr_xwayland_surface_configure_event *wlr_event =
+			calloc(1, sizeof(struct wlr_xwayland_surface_configure_event));
+		if (wlr_event == NULL) {
+			return;
+		}
+
+		wlr_event->surface = surface;
+		wlr_event->x = ev->x;
+		wlr_event->y = ev->y;
+		wlr_event->width = ev->width;
+		wlr_event->height = ev->height;
 
-	wlr_xwayland_surface_configure(xwm, surface, ev->x, ev->y, ev->width,
+		wl_signal_emit(&surface->events.request_configure, wlr_event);
-		ev->height);
+
+		free(wlr_event);
+	}
 }
 
 static void handle_map_request(struct wlr_xwm *xwm,
@@ -369,7 +392,7 @@ static void create_surface_handler(struct wl_listener *listener, void *data) {
 		return;
 	}
 
-	wlr_log(L_DEBUG, "New x11 surface: %p", surface);
+	wlr_log(L_DEBUG, "New xwayland surface: %p", surface);
 
 	uint32_t surface_id = wl_resource_get_id(surface->resource);
 	struct wlr_xwayland_surface *xwayland_surface;
@@ -465,13 +488,14 @@ void wlr_xwayland_surface_activate(struct wlr_xwayland *wlr_xwayland,
 	xcb_flush(xwm->xcb_conn);
 }
 
-void wlr_xwayland_surface_configure(struct wlr_xwm *xwm,
+void wlr_xwayland_surface_configure(struct wlr_xwayland *wlr_xwayland,
-		struct wlr_xwayland_surface *surface, uint32_t x, uint32_t y,
+		struct wlr_xwayland_surface *surface) {
-		uint32_t width, uint32_t height) {
+	struct wlr_xwm *xwm = wlr_xwayland->xwm;
 	uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
 		XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
 		XCB_CONFIG_WINDOW_BORDER_WIDTH;
-	uint32_t values[] = {x, y, width, height, 0};
+	uint32_t values[] = {surface->x, surface->y, surface->width,
+		surface->height, 0};
 	xcb_configure_window(xwm->xcb_conn, surface->window_id, mask, values);
 }