Menu.mcallback -> Callback

src/lwjake2/client/VID.java

@@ -23,6 +23,7 @@ import lwjake2.Defines;
 import lwjake2.Globals;
 import lwjake2.game.Cmd;
 import lwjake2.game.cvar_t;
+import lwjake2.qcommon.Callback;
 import lwjake2.qcommon.Com;
 import lwjake2.qcommon.Cvar;
 import lwjake2.render.Renderer;
@@ -576,11 +577,7 @@ public class VID extends Globals {
 		s_ref_list.name = "driver";
 		s_ref_list.x = 0;
 		s_ref_list.y = 0;
-		s_ref_list.callback = new Menu.mcallback() {
+		s_ref_list.callback = VID::DriverCallback;
-			public void execute(Object self) {
-				DriverCallback(self);
-			}
-		};
 		s_ref_list.itemnames = refs;
 
 		s_mode_list.type = MTYPE_SPINCONTROL;
@@ -594,20 +591,12 @@ public class VID extends Globals {
 		s_screensize_slider.name	= "screen size";
 		s_screensize_slider.minvalue = 3;
 		s_screensize_slider.maxvalue = 12;
-		s_screensize_slider.callback = new Menu.mcallback() {
+		s_screensize_slider.callback = VID::ScreenSizeCallback;
-			public void execute(Object self) {
-				ScreenSizeCallback(self);
-			}
-		};
 		s_brightness_slider.type	= MTYPE_SLIDER;
 		s_brightness_slider.x	= 0;
 		s_brightness_slider.y	= 30;
 		s_brightness_slider.name	= "brightness";
-		s_brightness_slider.callback =  new Menu.mcallback() {
+		s_brightness_slider.callback = VID::BrightnessCallback;
-			public void execute(Object self) {
-				BrightnessCallback(self);
-			}
-		};
 		s_brightness_slider.minvalue = 5;
 		s_brightness_slider.maxvalue = 13;
 		s_brightness_slider.curvalue = ( 1.3f - vid_gamma.value + 0.5f ) * 10;
@@ -618,8 +607,7 @@ public class VID extends Globals {
 		s_fs_box.name	= "fullscreen";
 		s_fs_box.itemnames = yesno_names;
 		s_fs_box.curvalue = (int)vid_fullscreen.value;
-		s_fs_box.callback = new Menu.mcallback() {
+		s_fs_box.callback = o -> {
-			public void execute(Object o) {
             int fs = ((Menu.menulist_s)o).curvalue;
             if (fs == 0) {
                 s_mode_list.itemnames = resolutions;
@@ -632,28 +620,19 @@ public class VID extends Globals {
                 while (i > 0 && fs_modes[i].width > mode_x) i--;
                 s_mode_list.curvalue = i;
             }
-			}
         };
 
 		s_defaults_action.type = MTYPE_ACTION;
 		s_defaults_action.name = "reset to default";
 		s_defaults_action.x    = 0;
 		s_defaults_action.y    = 90;
-		s_defaults_action.callback = new Menu.mcallback() {
+		s_defaults_action.callback = VID::ResetDefaults;
-			public void execute(Object self) {
-				ResetDefaults(self);
-			}
-		};
 
 		s_apply_action.type = MTYPE_ACTION;
 		s_apply_action.name = "apply";
 		s_apply_action.x    = 0;
 		s_apply_action.y    = 100;
-		s_apply_action.callback = new Menu.mcallback() {
+		s_apply_action.callback = VID::ApplyChanges;
-			public void execute(Object self) {
-				ApplyChanges(self);
-			}
-		};
 		
 
 		s_stipple_box.type = MTYPE_SPINCONTROL;

src/lwjake2/qcommon/Callback.java

@@ -0,0 +1,10 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-03-08
+ */
+package lwjake2.qcommon;
+
+@FunctionalInterface
+public interface Callback {
+    void execute(Object object);
+}