Update: update the naming style

Author: vcaesar

keycode.go

@@ -104,21 +104,21 @@ var Keycode = UMap{
 	"f11": 69,
 	"f12": 70,
 	// numeric keypad
-	"keypad_1":        79,
-	"keypad_2":        80,
-	"keypad_3":        81,
-	"keypad_4":        75,
-	"keypad_5":        76,
-	"keypad_6":        77,
-	"keypad_7":        71,
-	"keypad_8":        72,
-	"keypad_9":        73,
-	"keypad_0":        82,
-	"keypad_minus":    74,
-	"keypad_plus":     78,
-	"keypad_asterisk": 55,
-	"keypad_slash":    3637,
-	"keypad_enter":    3612,
+	"num1":         79,
+	"num2":         80,
+	"num3":         81,
+	"num4":         75,
+	"num5":         76,
+	"num6":         77,
+	"num7":         71,
+	"num8":         72,
+	"num9":         73,
+	"num0":         82,
+	"num_minus":    74,
+	"num_plus":     78,
+	"num_asterisk": 55,
+	"num_slash":    3637,
+	"num_enter":    3612,
 	// more
 	"esc":     1,
 	"delete":  14,