compat/chrono_literals: Add C++14 backport.cpp

Add user-defined literals for duration types (like the ones from C++14),
Because these are user-defined they start with an underscore.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/menu/mouse_event.cpp b/src/menu/mouse_event.cpp
index 3f4104a0..ddcc00f2 100644
--- a/src/menu/mouse_event.cpp
+++ b/src/menu/mouse_event.cpp
@@ -25,6 +25,7 @@
 #include <cstddef>
 
 #include "mouse_event.hpp"
+#include "utils/compat/chrono_literals.hpp"
 
 namespace usdx
 {
@@ -48,17 +49,17 @@ namespace usdx
 		{
 			if (direction == UP) {
 				if (this->direction == DOWN) {
-					if (time.since(std::chrono::milliseconds{5000}))
+					if (time.since(5000_ms))
 						return CLICK;
 				}
 				else if (this->direction == CLICK) {
-					if (time.since(std::chrono::milliseconds{5000}))
+					if (time.since(5000_ms))
 						return DBL_CLICK;
 				}
 			}
 			else if (direction == DOWN) {
 				if (this->direction == CLICK &&
-					time.since(std::chrono::milliseconds{5000}))
+					time.since(5000_ms))
 					return CLICK;
 			}
 		}