Add wlr_wl_output_set_title

backend/wayland/output.c

@@ -365,3 +365,8 @@ error:
 	wlr_output_destroy(&output->wlr_output);
 	return NULL;
 }
+
+void wlr_wl_output_set_title(struct wlr_output *output, const char *title) {
+	struct wlr_wl_output *wl_output = get_wl_output_from_output(output);
+	xdg_toplevel_set_title(wl_output->xdg_toplevel, title);
+}

include/wlr/backend/wayland.h

@@ -1,6 +1,5 @@
 #ifndef WLR_BACKEND_WAYLAND_H
 #define WLR_BACKEND_WAYLAND_H
-
 #include <stdbool.h>
 #include <wayland-client.h>
 #include <wayland-server.h>
@@ -16,8 +15,8 @@
  * to NULL for the default behaviour (WAYLAND_DISPLAY env variable or wayland-0
  * default)
  */
-struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char *remote,
-	wlr_renderer_create_func_t create_renderer_func);
+struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
+		const char *remote, wlr_renderer_create_func_t create_renderer_func);
 
 /**
  * Adds a new output to this backend. You may remove outputs by destroying them.
@@ -42,4 +41,9 @@ bool wlr_input_device_is_wl(struct wlr_input_device *device);
  */
 bool wlr_output_is_wl(struct wlr_output *output);
 
+/**
+ * Sets the title of a wlr_output which is a Wayland window.
+ */
+void wlr_wl_output_set_title(struct wlr_output *output, const char *title);
+
 #endif