ipc: expose mode picture aspect ratio

sway/ipc-json.c

@@ -116,6 +116,39 @@ static const char *ipc_json_output_adaptive_sync_status_description(
 	return NULL;
 }
 
+static const char *ipc_json_output_mode_aspect_ratio_description(
+		enum wlr_output_mode_aspect_ratio aspect_ratio) {
+	switch (aspect_ratio) {
+	case WLR_OUTPUT_MODE_ASPECT_RATIO_NONE:
+		return "none";
+	case WLR_OUTPUT_MODE_ASPECT_RATIO_4_3:
+		return "4:3";
+	case WLR_OUTPUT_MODE_ASPECT_RATIO_16_9:
+		return "16:9";
+	case WLR_OUTPUT_MODE_ASPECT_RATIO_64_27:
+		return "64:27";
+	case WLR_OUTPUT_MODE_ASPECT_RATIO_256_135:
+		return "256:135";
+	}
+	return NULL;
+}
+
+static json_object *ipc_json_output_mode_description(
+		const struct wlr_output_mode *mode) {
+	const char *pic_ar =
+		ipc_json_output_mode_aspect_ratio_description(mode->picture_aspect_ratio);
+	json_object *mode_object = json_object_new_object();
+	json_object_object_add(mode_object, "width",
+		json_object_new_int(mode->width));
+	json_object_object_add(mode_object, "height",
+		json_object_new_int(mode->height));
+	json_object_object_add(mode_object, "refresh",
+		json_object_new_int(mode->refresh));
+	json_object_object_add(mode_object, "picture_aspect_ratio",
+		json_object_new_string(pic_ar));
+	return mode_object;
+}
+
 #if HAVE_XWAYLAND
 static const char *ipc_json_xwindow_type_description(struct sway_view *view) {
 	struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
@@ -308,25 +341,26 @@ static void ipc_json_describe_enabled_output(struct sway_output *output,
 	json_object *modes_array = json_object_new_array();
 	struct wlr_output_mode *mode;
 	wl_list_for_each(mode, &wlr_output->modes, link) {
-		json_object *mode_object = json_object_new_object();
-		json_object_object_add(mode_object, "width",
-			json_object_new_int(mode->width));
-		json_object_object_add(mode_object, "height",
-			json_object_new_int(mode->height));
-		json_object_object_add(mode_object, "refresh",
-			json_object_new_int(mode->refresh));
+		json_object *mode_object =
+			ipc_json_output_mode_description(mode);
 		json_object_array_add(modes_array, mode_object);
 	}
 
 	json_object_object_add(object, "modes", modes_array);
 
-	json_object *current_mode_object = json_object_new_object();
-	json_object_object_add(current_mode_object, "width",
-		json_object_new_int(wlr_output->width));
-	json_object_object_add(current_mode_object, "height",
-		json_object_new_int(wlr_output->height));
-	json_object_object_add(current_mode_object, "refresh",
-		json_object_new_int(wlr_output->refresh));
+	json_object *current_mode_object;
+	if (wlr_output->current_mode != NULL) {
+		current_mode_object =
+			ipc_json_output_mode_description(wlr_output->current_mode);
+	} else {
+		current_mode_object = json_object_new_object();
+		json_object_object_add(current_mode_object, "width",
+			json_object_new_int(wlr_output->width));
+		json_object_object_add(current_mode_object, "height",
+			json_object_new_int(wlr_output->height));
+		json_object_object_add(current_mode_object, "refresh",
+			json_object_new_int(wlr_output->refresh));
+	}
 	json_object_object_add(object, "current_mode", current_mode_object);
 
 	struct sway_node *parent = node_get_parent(&output->node);