Fixing member data type for rect_t to uin32_t as the geometry type in xcb seems to consist of unsigned 32-bit integral numbers.

include/i3ipc++/ipc.hpp

@@ -28,10 +28,10 @@ std::string  get_socketpath();
  * Primitive of rectangle
  */
 struct rect_t {
-	int  x; ///< Position on X axis
-	int  y; ///< Position on Y axis
-	int  width; ///< Width of rectangle
-	int  height; ///< Height of rectangle
+	uint32_t  x; ///< Position on X axis
+	uint32_t  y; ///< Position on Y axis
+	uint32_t  width; ///< Width of rectangle
+	uint32_t  height; ///< Height of rectangle
 };
 
 /**

src/ipc.cpp

@@ -42,10 +42,10 @@ std::vector<std::ostream*>  g_logging_err_outs = {
 
 inline rect_t  parse_rect_from_json(const Json::Value&  value) {
 	return {
-		.x = value["x"].asInt(),
-		.y = value["y"].asInt(),
-		.width = value["width"].asInt(),
-		.height = value["height"].asInt(),
+		.x = value["x"].asUInt(),
+		.y = value["y"].asUInt(),
+		.width = value["width"].asUInt(),
+		.height = value["height"].asUInt(),
 	};
 }