v2.0.0: added ability to toggle fullscreen on desktop with alt+enter

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/SPDAction.java

@@ -181,10 +181,16 @@ public class SPDAction extends GameAction {
 		return new LinkedHashMap<>(defaultControllerBindings);
 	}
 
-	//hard bindings for android devices
 	static {
+		//hard bindings for android devices
 		KeyBindings.addHardBinding( Input.Keys.BACK, SPDAction.BACK );
 		KeyBindings.addHardBinding( Input.Keys.MENU, SPDAction.INVENTORY );
+
+		//hard bindings for desktop fullscreen toggle
+		//not bound to specific game actions, see PixelScene
+		//Note that user-entered bindings can override these individually, and that's fine.
+		KeyBindings.addHardBinding( Input.Keys.ALT_RIGHT, SPDAction.NONE );
+		KeyBindings.addHardBinding( Input.Keys.ENTER, SPDAction.NONE );
 	}
 
 	//we only save/loads keys which differ from the default configuration.

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/PixelScene.java

@@ -21,6 +21,7 @@
 
 package com.shatteredpixel.shatteredpixeldungeon.scenes;
 
+import com.badlogic.gdx.Input;
 import com.shatteredpixel.shatteredpixeldungeon.Assets;
 import com.shatteredpixel.shatteredpixeldungeon.Badges;
 import com.shatteredpixel.shatteredpixeldungeon.SPDSettings;
@@ -33,6 +34,7 @@ import com.shatteredpixel.shatteredpixeldungeon.ui.Window;
 import com.watabou.gltextures.TextureCache;
 import com.watabou.glwrap.Blending;
 import com.watabou.input.ControllerHandler;
+import com.watabou.input.KeyEvent;
 import com.watabou.input.PointerEvent;
 import com.watabou.noosa.BitmapText;
 import com.watabou.noosa.BitmapText.Font;
@@ -46,9 +48,11 @@ import com.watabou.noosa.Visual;
 import com.watabou.noosa.ui.Component;
 import com.watabou.noosa.ui.Cursor;
 import com.watabou.utils.Callback;
+import com.watabou.utils.DeviceCompat;
 import com.watabou.utils.GameMath;
 import com.watabou.utils.PointF;
 import com.watabou.utils.Reflection;
+import com.watabou.utils.Signal;
 
 import java.util.ArrayList;
 
@@ -82,6 +86,8 @@ public class PixelScene extends Scene {
 
 	protected boolean inGameScene = false;
 
+	private Signal.Listener<KeyEvent> fullscreenListener;
+
 	@Override
 	public void create() {
 
@@ -162,6 +168,34 @@ public class PixelScene extends Scene {
 
 	@Override
 	public void update() {
+		//we create this here so that it is last in the scene
+		if (DeviceCompat.isDesktop() && fullscreenListener == null){
+			KeyEvent.addKeyListener(fullscreenListener = new Signal.Listener<KeyEvent>() {
+
+				private boolean alt;
+				private boolean enter;
+
+				@Override
+				public boolean onSignal(KeyEvent keyEvent) {
+
+					//we don't use keybindings for these as we want the user to be able to
+					// bind these keys to other actions when pressed individually
+					if (keyEvent.code == Input.Keys.ALT_RIGHT){
+						alt = keyEvent.pressed;
+					} else if (keyEvent.code == Input.Keys.ENTER){
+						enter = keyEvent.pressed;
+					}
+
+					if (alt && enter){
+						SPDSettings.fullscreen(!SPDSettings.fullscreen());
+						return true;
+					}
+
+					return false;
+				}
+			});
+		}
+
 		super.update();
 		//20% deadzone
 		if (!Cursor.isCursorCaptured()) {
@@ -266,6 +300,9 @@ public class PixelScene extends Scene {
 	public void destroy() {
 		super.destroy();
 		PointerEvent.clearListeners();
+		if (fullscreenListener != null){
+			KeyEvent.removeKeyListener(fullscreenListener);
+		}
 		if (cursor != null){
 			cursor.destroy();
 		}