v3.0.2: fixed 'none' not being considered a controller key

this created issues when with contrlller controller button binding configurations, where 'none' effectively couldn't be assigned to an action by the user

SPD-classes/src/main/java/com/watabou/input/ControllerHandler.java

@@ -246,6 +246,10 @@ public class ControllerHandler implements ControllerListener {
 	}
 
 	public static boolean icControllerKey(int keyCode){
+		if (keyCode == 0){
+			return true;
+		}
+
 		if (keyCode >= Input.Keys.BUTTON_A
 				&& keyCode <= Input.Keys.BUTTON_MODE){
 			return true;

SPD-classes/src/main/java/com/watabou/input/KeyEvent.java

@@ -82,4 +82,8 @@ public class KeyEvent {
 		}
 		keyEvents.clear();
 	}
+
+	public static boolean isKeyboardKey(int keyCode){
+		return keyCode == 0 || !ControllerHandler.icControllerKey(keyCode);
+	}
 }

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

@@ -25,6 +25,7 @@ import com.badlogic.gdx.Input;
 import com.watabou.input.ControllerHandler;
 import com.watabou.input.GameAction;
 import com.watabou.input.KeyBindings;
+import com.watabou.input.KeyEvent;
 import com.watabou.utils.Bundle;
 import com.watabou.utils.FileUtils;
 
@@ -213,7 +214,7 @@ public class SPDAction extends GameAction {
 			LinkedHashMap<Integer, GameAction> merged = new LinkedHashMap<>();
 
 			for (GameAction a : allActions()) {
-				if (firstKeys.contains(a.name()) && !ControllerHandler.icControllerKey(firstKeys.getInt(a.name()))) {
+				if (firstKeys.contains(a.name()) && KeyEvent.isKeyboardKey(firstKeys.getInt(a.name()))) {
 					if (firstKeys.getInt(a.name()) == 0){
 						continue; //we have no keys assigned to this action, move to the next one
 					} else {
@@ -236,7 +237,7 @@ public class SPDAction extends GameAction {
 					}
 				}
 
-				if (secondKeys.contains(a.name()) && !ControllerHandler.icControllerKey(secondKeys.getInt(a.name()))) {
+				if (secondKeys.contains(a.name()) && KeyEvent.isKeyboardKey(secondKeys.getInt(a.name()))) {
 					if (secondKeys.getInt(a.name()) == 0){
 						continue; //we have no more keys assigned to this action, move to the next one
 					} else {
@@ -259,7 +260,7 @@ public class SPDAction extends GameAction {
 					}
 				}
 
-				if (thirdKeys.contains(a.name()) && !ControllerHandler.icControllerKey(thirdKeys.getInt(a.name()))) {
+				if (thirdKeys.contains(a.name()) && KeyEvent.isKeyboardKey(thirdKeys.getInt(a.name()))) {
 					if (thirdKeys.getInt(a.name()) == 0){
 						continue; //we have no more keys assigned to this action, move to the next one
 					} else {

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndKeyBindings.java

@@ -509,7 +509,9 @@ public class WndKeyBindings extends Window {
 			}
 
 			//ignore controller buttons on key bindings, and vice-versa
-			if (ControllerHandler.icControllerKey(event.code) != controller){
+			if (controller && !ControllerHandler.icControllerKey(event.code)){
+				return true;
+			} else if (!controller && !KeyEvent.isKeyboardKey(event.code)){
 				return true;
 			}