Remove output instead of terminating display when a wayland backend view closed

backend/wayland/output.c

@@ -154,6 +154,8 @@ static void wlr_wl_output_destroy(struct wlr_output *_output) {
 	wl_signal_emit(&output->backend->backend.events.output_remove,
 		&output->wlr_output);
 
+	wl_list_remove(&output->link);
+
 	if (output->cursor.buf_size != 0) {
 		assert(output->cursor.data);
 		assert(output->cursor.buffer);
@@ -171,6 +173,7 @@ static void wlr_wl_output_destroy(struct wlr_output *_output) {
 	if (output->frame_callback) {
 		wl_callback_destroy(output->frame_callback);
 	}
+
 	eglDestroySurface(output->backend->egl.display, output->surface);
 	wl_egl_window_destroy(output->egl_window);
 	zxdg_toplevel_v6_destroy(output->xdg_toplevel);
@@ -233,7 +236,7 @@ static void xdg_toplevel_handle_close(void *data, struct zxdg_toplevel_v6 *xdg_t
 	struct wlr_wl_backend_output *output = data;
 	assert(output && output->xdg_toplevel == xdg_toplevel);
 
-	wl_display_terminate(output->backend->local_display);
+	wlr_output_destroy((struct wlr_output *)output);
 }
 
 static struct zxdg_toplevel_v6_listener xdg_toplevel_listener = {

backend/wayland/wl_seat.c

@@ -21,7 +21,10 @@ static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
 	struct wlr_wl_pointer *wlr_wl_pointer = (struct wlr_wl_pointer *)dev->pointer;
 	struct wlr_wl_backend_output *output =
 		wlr_wl_output_for_surface(wlr_wl_dev->backend, surface);
-	assert(output);
+	if (!output) {
+		// GNOME sends a pointer enter when the surface is being destroyed
+		return;
+	}
 	wlr_wl_pointer->current_output = output;
 	output->enter_serial = serial;
 	wlr_wl_output_update_cursor(output);

types/wlr_output.c

@@ -272,9 +272,9 @@ void wlr_output_destroy(struct wlr_output *output) {
 
 	struct wlr_output_mode *mode, *tmp_mode;
 	wl_list_for_each_safe(mode, tmp_mode, &output->modes, link) {
+		wl_list_remove(&mode->link);
 		free(mode);
 	}
-	wl_list_remove(&output->modes);
 	if (output->impl && output->impl->destroy) {
 		output->impl->destroy(output);
 	} else {