Add GLFW_* aliases to Rack-defined GLFW-related macros.

include/widget/event.hpp

@@ -31,6 +31,14 @@ Example usage:
 */
 #define RACK_HELD 3
 
+// GLFW_* aliases to match GLFW-defined macros
+#define GLFW_MOD_CTRL        RACK_MOD_CTRL
+#define GLFW_MOD_CTRL_NAME   RACK_MOD_CTRL_NAME
+#define GLFW_MOD_ALT_NAME    RACK_MOD_ALT_NAME
+#define GLFW_MOD_SHIFT_NAME  RACK_MOD_SHIFT_NAME
+#define GLFW_MOD_MASK        RACK_MOD_MASK
+#define GLFW_HELD            RACK_HELD
+
 
 namespace rack {
 namespace widget {