Beautiful keys abstraction (decoupled from lwjgl key constants)

src/mightypork/gamecore/backends/lwjgl/LwjglInputModule.java

@@ -4,6 +4,7 @@ package mightypork.gamecore.backends.lwjgl;
 import mightypork.gamecore.core.App;
 import mightypork.gamecore.core.events.UserQuitRequest;
 import mightypork.gamecore.input.InputModule;
+import mightypork.gamecore.input.Key;
 import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.input.events.KeyEvent;
 import mightypork.gamecore.input.events.MouseButtonEvent;
@@ -24,6 +25,7 @@ import org.lwjgl.opengl.Display;
  * @author Ondřej Hruška (MightyPork)
  */
 public class LwjglInputModule extends InputModule implements Updateable {
+
 	
 	/** Current mouse position */
 	private static final Vect mousePos = new Vect() {
@@ -47,14 +49,6 @@ public class LwjglInputModule extends InputModule implements Updateable {
 	};
 	
 	
-	@Override
-	public void destroy()
-	{
-		Mouse.destroy();
-		Keyboard.destroy();
-	}
-	
-	
 	@Override
 	protected void initDevices()
 	{
@@ -67,6 +61,143 @@ public class LwjglInputModule extends InputModule implements Updateable {
 		}
 	}
 	
+	@Override
+	protected void initKeyCodes()
+	{
+		Keys.NONE.setCode(Keyboard.KEY_NONE);
+
+		Keys.NUM_1.setCode(Keyboard.KEY_1);
+		Keys.NUM_2.setCode(Keyboard.KEY_2);
+		Keys.NUM_3.setCode(Keyboard.KEY_3);
+		Keys.NUM_4.setCode(Keyboard.KEY_4);
+		Keys.NUM_5.setCode(Keyboard.KEY_5);
+		Keys.NUM_6.setCode(Keyboard.KEY_6);
+		Keys.NUM_7.setCode(Keyboard.KEY_7);
+		Keys.NUM_8.setCode(Keyboard.KEY_8);
+		Keys.NUM_9.setCode(Keyboard.KEY_9);
+		Keys.NUM_0.setCode(Keyboard.KEY_0);
+
+		Keys.Q.setCode(Keyboard.KEY_Q);
+		Keys.W.setCode(Keyboard.KEY_W);
+		Keys.E.setCode(Keyboard.KEY_E);
+		Keys.R.setCode(Keyboard.KEY_R);
+		Keys.T.setCode(Keyboard.KEY_T);
+		Keys.Y.setCode(Keyboard.KEY_Y);
+		Keys.U.setCode(Keyboard.KEY_U);
+		Keys.I.setCode(Keyboard.KEY_I);
+		Keys.O.setCode(Keyboard.KEY_O);
+		Keys.P.setCode(Keyboard.KEY_P);
+		Keys.A.setCode(Keyboard.KEY_A);
+		Keys.S.setCode(Keyboard.KEY_S);
+		Keys.D.setCode(Keyboard.KEY_D);
+		Keys.F.setCode(Keyboard.KEY_F);
+		Keys.G.setCode(Keyboard.KEY_G);
+		Keys.H.setCode(Keyboard.KEY_H);
+		Keys.J.setCode(Keyboard.KEY_J);
+		Keys.K.setCode(Keyboard.KEY_K);
+		Keys.L.setCode(Keyboard.KEY_L);
+		Keys.Z.setCode(Keyboard.KEY_Z);
+		Keys.X.setCode(Keyboard.KEY_X);
+		Keys.C.setCode(Keyboard.KEY_C);
+		Keys.V.setCode(Keyboard.KEY_V);
+		Keys.B.setCode(Keyboard.KEY_B);
+		Keys.N.setCode(Keyboard.KEY_N);
+		Keys.M.setCode(Keyboard.KEY_M);
+
+		Keys.MINUS.setCode(Keyboard.KEY_MINUS);
+		Keys.EQUALS.setCode(Keyboard.KEY_EQUALS);
+		Keys.SLASH.setCode(Keyboard.KEY_SLASH);
+		Keys.BACKSLASH.setCode(Keyboard.KEY_BACKSLASH);
+		Keys.BRACKET_LEFT.setCode(Keyboard.KEY_LBRACKET);
+		Keys.BRACKET_RIGHT.setCode(Keyboard.KEY_RBRACKET);
+		Keys.SEMICOLON.setCode(Keyboard.KEY_SEMICOLON);
+		Keys.APOSTROPHE.setCode(Keyboard.KEY_APOSTROPHE);
+		Keys.GRAVE.setCode(Keyboard.KEY_GRAVE);
+		Keys.COMMA.setCode(Keyboard.KEY_COMMA);
+		Keys.PERIOD.setCode(Keyboard.KEY_PERIOD);
+
+		Keys.SPACE.setCode(Keyboard.KEY_SPACE);
+		Keys.BACKSPACE.setCode(Keyboard.KEY_BACK);
+		Keys.TAB.setCode(Keyboard.KEY_TAB);
+		Keys.ESCAPE.setCode(Keyboard.KEY_ESCAPE);
+		
+		Keys.APPS.setCode(Keyboard.KEY_APPS);
+		Keys.POWER.setCode(Keyboard.KEY_POWER);
+		Keys.SLEEP.setCode(Keyboard.KEY_SLEEP);
+		//Keys.MENU.setCode(Keyboard.KEY_MENU); // not defined
+
+		Keys.F1.setCode(Keyboard.KEY_F1);
+		Keys.F2.setCode(Keyboard.KEY_F2);
+		Keys.F3.setCode(Keyboard.KEY_F3);
+		Keys.F4.setCode(Keyboard.KEY_F4);
+		Keys.F5.setCode(Keyboard.KEY_F5);
+		Keys.F6.setCode(Keyboard.KEY_F6);
+		Keys.F7.setCode(Keyboard.KEY_F7);
+		Keys.F8.setCode(Keyboard.KEY_F8);
+		Keys.F9.setCode(Keyboard.KEY_F9);
+		Keys.F10.setCode(Keyboard.KEY_F10);
+		Keys.F11.setCode(Keyboard.KEY_F11);
+		Keys.F12.setCode(Keyboard.KEY_F12);
+		Keys.F13.setCode(Keyboard.KEY_F13);
+		Keys.F14.setCode(Keyboard.KEY_F14);
+		Keys.F15.setCode(Keyboard.KEY_F15);
+
+		Keys.CAPS_LOCK.setCode(Keyboard.KEY_CAPITAL);
+		Keys.SCROLL_LOCK.setCode(Keyboard.KEY_SCROLL);	
+		Keys.NUM_LOCK.setCode(Keyboard.KEY_NUMLOCK);
+
+		Keys.NUMPAD_MINUS.setCode(Keyboard.KEY_SUBTRACT);
+		Keys.NUMPAD_PLUSS.setCode(Keyboard.KEY_ADD);
+		Keys.NUMPAD_0.setCode(Keyboard.KEY_NUMPAD0);
+		Keys.NUMPAD_1.setCode(Keyboard.KEY_NUMPAD1);
+		Keys.NUMPAD_2.setCode(Keyboard.KEY_NUMPAD2);
+		Keys.NUMPAD_3.setCode(Keyboard.KEY_NUMPAD3);
+		Keys.NUMPAD_4.setCode(Keyboard.KEY_NUMPAD4);
+		Keys.NUMPAD_5.setCode(Keyboard.KEY_NUMPAD5);
+		Keys.NUMPAD_6.setCode(Keyboard.KEY_NUMPAD6);
+		Keys.NUMPAD_7.setCode(Keyboard.KEY_NUMPAD7);
+		Keys.NUMPAD_8.setCode(Keyboard.KEY_NUMPAD8);
+		Keys.NUMPAD_9.setCode(Keyboard.KEY_NUMPAD9);
+		Keys.NUMPAD_DECIMAL.setCode(Keyboard.KEY_DECIMAL);
+		Keys.NUMPAD_ENTER.setCode(Keyboard.KEY_NUMPADENTER);
+		Keys.NUMPAD_DIVIDE.setCode(Keyboard.KEY_DIVIDE);
+		Keys.NUMPAD_MULTIPLY.setCode(Keyboard.KEY_MULTIPLY);
+
+		Keys.CONTROL_LEFT.setCode(Keyboard.KEY_LCONTROL);
+		Keys.CONTROL_RIGHT.setCode(Keyboard.KEY_RCONTROL);
+		Keys.ALT_LEFT.setCode(Keyboard.KEY_LMENU);
+		Keys.ALT_RIGHT.setCode(Keyboard.KEY_RMENU);
+		Keys.SHIFT_LEFT.setCode(Keyboard.KEY_LSHIFT);
+		Keys.SHIFT_RIGHT.setCode(Keyboard.KEY_RSHIFT);
+		Keys.META_LEFT.setCode(Keyboard.KEY_LMETA);
+		Keys.META_RIGHT.setCode(Keyboard.KEY_RMETA);
+
+		Keys.UP.setCode(Keyboard.KEY_UP);
+		Keys.DOWN.setCode(Keyboard.KEY_DOWN);
+		Keys.LEFT.setCode(Keyboard.KEY_LEFT);
+		Keys.RIGHT.setCode(Keyboard.KEY_RIGHT);
+
+		Keys.HOME.setCode(Keyboard.KEY_HOME);
+		Keys.END.setCode(Keyboard.KEY_END);
+
+		Keys.PAGE_UP.setCode(Keyboard.KEY_PRIOR);
+		Keys.PAGE_DOWN.setCode(Keyboard.KEY_NEXT);
+
+		Keys.RETURN.setCode(Keyboard.KEY_RETURN);
+		Keys.PAUSE.setCode(Keyboard.KEY_PAUSE);
+		Keys.INSERT.setCode(Keyboard.KEY_INSERT);
+		Keys.DELETE.setCode(Keyboard.KEY_DELETE);
+		Keys.SYSRQ.setCode(Keyboard.KEY_SYSRQ);
+	}
+	
+	
+	@Override
+	public void destroy()
+	{
+		Mouse.destroy();
+		Keyboard.destroy();
+	}
+	
 	private final VectVar mouseMove = Vect.makeVar();
 	private final VectVar mouseLastPos = Vect.makeVar();
 	
@@ -158,9 +289,9 @@ public class LwjglInputModule extends InputModule implements Updateable {
 	
 	
 	@Override
-	public boolean isKeyDown(int key)
+	public boolean isKeyDown(Key key)
 	{
-		return Keyboard.isKeyDown(key);
+		return key.isDefined() && Keyboard.isKeyDown(key.getCode());
 	}
 	
 	
@@ -169,29 +300,4 @@ public class LwjglInputModule extends InputModule implements Updateable {
 	{
 		return Mouse.isButtonDown(button);
 	}
-	
-	
-	@Override
-	public int getActiveModKeys()
-	{
-		int mods = 0;
-		
-		if (isKeyDown(Keys.L_ALT) || isKeyDown(Keys.R_ALT)) {
-			mods |= Keys.MOD_ALT;
-		}
-		
-		if (isKeyDown(Keys.L_SHIFT) || isKeyDown(Keys.R_SHIFT)) {
-			mods |= Keys.MOD_SHIFT;
-		}
-		
-		if (isKeyDown(Keys.L_CONTROL) || isKeyDown(Keys.R_CONTROL)) {
-			mods |= Keys.MOD_CONTROL;
-		}
-		
-		if (isKeyDown(Keys.L_META) || isKeyDown(Keys.R_META)) {
-			mods |= Keys.MOD_META;
-		}
-		
-		return mods;
-	}
 }

src/mightypork/gamecore/core/config/Config.java

@@ -5,6 +5,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import mightypork.gamecore.core.WorkDir;
+import mightypork.gamecore.input.Key;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.utils.config.propmgr.Property;
 import mightypork.utils.config.propmgr.PropertyManager;
@@ -256,7 +257,7 @@ public class Config {
 	 * @param key stroke key
 	 * @param mod stroke modifiers
 	 */
-	public void setKeyStroke(String cfgKey, int key, int mod)
+	public void setKeyStroke(String cfgKey, Key key, int mod)
 	{
 		final KeyStrokeProperty kp = strokes.get(prefixKeyStroke(cfgKey));
 		if (kp == null) {

src/mightypork/gamecore/core/config/KeyStrokeProperty.java

@@ -1,6 +1,7 @@
 package mightypork.gamecore.core.config;
 
 
+import mightypork.gamecore.input.Key;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.utils.config.propmgr.Property;
@@ -27,7 +28,7 @@ public class KeyStrokeProperty extends Property<KeyStroke> {
 		if (string != null) {
 			// keep the same instance
 			
-			final int backup_key = value.getKey();
+			final Key backup_key = value.getKey();
 			final int backup_mod = value.getMod();
 			
 			value.fromDataString(string);

src/mightypork/gamecore/gui/screens/Overlay.java

@@ -9,7 +9,7 @@ import mightypork.gamecore.core.App;
 import mightypork.gamecore.graphics.Renderable;
 import mightypork.gamecore.gui.components.layout.ConstraintLayout;
 import mightypork.gamecore.gui.events.LayoutChangeListener;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.input.KeyBinder;
 import mightypork.gamecore.input.KeyBindingPool;
 import mightypork.gamecore.input.KeyStroke;
@@ -63,7 +63,7 @@ public abstract class Overlay extends BusNode implements Comparable<Overlay>, Up
 	
 	
 	@Override
-	public final void bindKey(KeyStroke stroke, Edge edge, Runnable task)
+	public final void bindKey(KeyStroke stroke, Trigger edge, Runnable task)
 	{
 		keybindings.bindKey(stroke, edge, task);
 	}

src/mightypork/gamecore/gui/screens/Screen.java

@@ -5,7 +5,7 @@ import mightypork.gamecore.core.App;
 import mightypork.gamecore.graphics.Renderable;
 import mightypork.gamecore.gui.events.LayoutChangeEvent;
 import mightypork.gamecore.gui.events.LayoutChangeListener;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.input.KeyBinder;
 import mightypork.gamecore.input.KeyBindingPool;
 import mightypork.gamecore.input.KeyStroke;
@@ -44,7 +44,7 @@ public abstract class Screen extends BusNode implements Renderable, RectBound, K
 	
 	
 	@Override
-	public final void bindKey(KeyStroke stroke, Edge edge, Runnable task)
+	public final void bindKey(KeyStroke stroke, Trigger edge, Runnable task)
 	{
 		keybindings.bindKey(stroke, edge, task);
 	}

src/mightypork/gamecore/input/InputModule.java

@@ -18,17 +18,28 @@ public abstract class InputModule extends BackendModule implements KeyBinder {
 	@Override
 	public final void init()
 	{
+		initKeyCodes();
+		initDevices();
+		
 		keybindings = new KeyBindingPool();
 		addChildClient(keybindings);
-		initDevices();
 	}
 	
 	
+	/**
+	 * Initialize key codes for keys in {@link Keys}
+	 */
+	protected abstract void initKeyCodes();
+	
+	
+	/**
+	 * Initialize input devices (set up infrastructure for getting the input)
+	 */
 	protected abstract void initDevices();
 	
 	
 	@Override
-	public void bindKey(KeyStroke stroke, Edge edge, Runnable task)
+	public void bindKey(KeyStroke stroke, Trigger edge, Runnable task)
 	{
 		keybindings.bindKey(stroke, edge, task);
 	}
@@ -67,25 +78,20 @@ public abstract class InputModule extends BackendModule implements KeyBinder {
 	
 	
 	/**
-	 * Check if key is down (constant from the {@link Keys} class)
+	 * Check if key is down. The key comes from the Keys class, so the code is
+	 * the one assigned in initKeyCodes()
 	 * 
 	 * @param key key to check
 	 * @return is down
 	 */
-	public abstract boolean isKeyDown(int key);
+	public abstract boolean isKeyDown(Key key);
 	
 	
 	/**
 	 * Check mouse button state
 	 * 
-	 * @param button button to test (0 left, 1 right, 2 middle)
-	 * @return button is down
+	 * @param button button to test (0 left, 1 right, 2 middle, 3,4,5... extra)
+	 * @return true if the button exists and is down
 	 */
 	public abstract boolean isMouseButtonDown(int button);
-	
-	
-	/**
-	 * @return bit mask of active mod keys
-	 */
-	public abstract int getActiveModKeys();
 }

src/mightypork/gamecore/input/Key.java

@@ -0,0 +1,114 @@
+package mightypork.gamecore.input;
+
+
+import java.util.HashSet;
+import java.util.Set;
+
+import mightypork.gamecore.core.App;
+
+
+/**
+ * Abstraction above a physical keyboard key.<br>
+ * Provides name, aliases, and the {@link InputModule} may assign it a numeric
+ * code that corresponds to the underlying keyboard system.
+ * 
+ * @author Ondřej Hruška (MightyPork)
+ */
+public class Key {
+	
+	private int code = -1;
+	private final String name;
+	private final Set<String> aliases = new HashSet<>(1);
+	
+	
+	/**
+	 * Create a key. Note that both name and aliases are converted to uppercase,
+	 * and all underscores are ignored when the aliases are matched.
+	 * 
+	 * @param name key name (primary alias)
+	 * @param aliases extra aliases (used for matching)
+	 */
+	public Key(String name, String... aliases) {
+		
+		// assign name and aliases, converting both to uppercase
+		
+		this.name = name;
+		this.aliases.add(prepareForMatch(name));
+		
+		for (String al : aliases) {
+			this.aliases.add(prepareForMatch(al));
+		}
+	}
+	
+	
+	public boolean isDown()
+	{
+		return App.input().isKeyDown(this);
+	}
+	
+	
+	/**
+	 * Set a key code. This can be used by the {@link InputModule} to store a
+	 * numeric code in the key.
+	 * 
+	 * @param code a code to assign
+	 */
+	public void setCode(int code)
+	{
+		this.code = code;
+	}
+	
+	
+	/**
+	 * Check if the provided alias matches this key.<br>
+	 * Both the primary alias and the extra aliases are considered.
+	 * 
+	 * @param alias
+	 * @return true if matches (this is the key)
+	 */
+	public boolean matches(String alias)
+	{
+		if (alias == null) return false;
+		return aliases.contains(prepareForMatch(alias));
+	}
+	
+	
+	private String prepareForMatch(String matched)
+	{
+		return matched.toUpperCase().replace("_", "");
+	}
+	
+	
+	/**
+	 * Get key name (primary alias).
+	 * 
+	 * @return name (uppercase)
+	 */
+	public String getName()
+	{
+		return name;
+	}
+	
+	
+	/**
+	 * Get the numeric code assigned to this key. If none is assigned, the value
+	 * is -1.
+	 * 
+	 * @return numeric key code.
+	 */
+	public int getCode()
+	{
+		return code;
+	}
+	
+	
+	/**
+	 * Get if this key is not a NONE or undefined key.
+	 * 
+	 * @return true if the key is defined.
+	 */
+	public boolean isDefined()
+	{
+		return code > 0;
+	}
+}

src/mightypork/gamecore/input/KeyBinder.java

@@ -18,7 +18,7 @@ public interface KeyBinder {
 	 * @param stroke trigger keystroke
 	 * @param task handler; can be {@link Runnable} or {@link Action}
 	 */
-	void bindKey(KeyStroke stroke, Edge edge, Runnable task);
+	void bindKey(KeyStroke stroke, Trigger edge, Runnable task);
 	
 	
 	/**

src/mightypork/gamecore/input/KeyBinding.java

@@ -14,7 +14,7 @@ public class KeyBinding implements KeyEventHandler {
 	
 	private final KeyStroke keystroke;
 	private Runnable handler;
-	private final Edge edge;
+	private final Trigger edge;
 	private boolean wasDown = false;
 	
 	
@@ -23,7 +23,7 @@ public class KeyBinding implements KeyEventHandler {
 	 * @param stroke trigger keystroke
 	 * @param handler action
 	 */
-	public KeyBinding(KeyStroke stroke, Edge edge, Runnable handler) {
+	public KeyBinding(KeyStroke stroke, Trigger edge, Runnable handler) {
 		this.keystroke = stroke;
 		this.handler = handler;
 		this.edge = edge;
@@ -58,8 +58,8 @@ public class KeyBinding implements KeyEventHandler {
 		final boolean nowDown = keystroke.isDown();
 		
 		boolean trigger = false;
-		trigger |= (edge == Edge.FALLING && (!wasDown && nowDown));
-		trigger |= (edge == Edge.RISING && (wasDown && !nowDown));
+		trigger |= (edge == Trigger.FALLING && (!wasDown && nowDown));
+		trigger |= (edge == Trigger.RISING && (wasDown && !nowDown));
 		wasDown = nowDown;
 		
 		// run handler when event was met

src/mightypork/gamecore/input/KeyBindingPool.java

@@ -27,7 +27,7 @@ public class KeyBindingPool implements KeyBinder, KeyEventHandler {
 	 * @param task handler
 	 */
 	@Override
-	public void bindKey(KeyStroke stroke, Edge edge, Runnable task)
+	public void bindKey(KeyStroke stroke, Trigger edge, Runnable task)
 	{
 		for (final KeyBinding kb : bindings) {
 			if (kb.matches(stroke)) {

src/mightypork/gamecore/input/KeyStroke.java

@@ -1,11 +1,8 @@
 package mightypork.gamecore.input;
 
 
-import mightypork.gamecore.core.App;
 import mightypork.utils.string.StringUtil;
 
-import org.lwjgl.input.Keyboard;
-
 
 /**
  * Key stroke description
@@ -14,8 +11,8 @@ import org.lwjgl.input.Keyboard;
  */
 public class KeyStroke {
 	
-	private int mod;
-	private int key;
+	private byte mod;
+	private Key key;
 	
 	
 	/**
@@ -24,7 +21,7 @@ public class KeyStroke {
 	 * @param key key code
 	 * @param modmask modifiers
 	 */
-	public KeyStroke(int key, int modmask) {
+	public KeyStroke(Key key, int modmask) {
 		setTo(key, modmask);
 	}
 	
@@ -37,44 +34,37 @@ public class KeyStroke {
 	 * @param key key code
 	 * @param modmask modifiers
 	 */
-	public void setTo(int key, int modmask)
+	public void setTo(Key key, int modmask)
 	{
 		this.key = key;
-		this.mod = modmask | Keys.keyToMod(key); // for mods alone
+		this.mod = (byte) (modmask | Keys.keyToMod(key)); // for mods alone
 	}
 	
 	
 	/**
 	 * Create a new keystroke without modifiers
 	 * 
-	 * @param key key code
+	 * @param key key
 	 */
-	public KeyStroke(int key) {
+	public KeyStroke(Key key) {
 		this(key, Keys.MOD_NONE);
 	}
 	
 	
 	/**
-	 * @return true if the keystroke is currently down & modifiers match.
+	 * Get if the key is down and modifiers match
+	 * 
+	 * @return true if the key is currently down & modifiers match
 	 */
 	public boolean isDown()
 	{
-		boolean st = Keyboard.isKeyDown(key);
-		st &= (App.input().getActiveModKeys() == mod);
-		
-		return st;
+		return key.isDown() && (Keys.getActiveMod() == mod);
 	}
 	
 	
 	public String toDataString()
 	{
-		String s = "";
-		
-		if (mod != Keys.MOD_NONE) s = Keys.modToString(mod);
-		
-		s += Keys.keyToString(key);
-		
-		return s;
+		return Keys.modToString(mod) + "+" + key.getName();
 	}
 	
 	
@@ -95,21 +85,21 @@ public class KeyStroke {
 			final String keyStr = StringUtil.fromLastChar(dataString1, '+');
 			final String modStr = StringUtil.toLastChar(dataString1, '+');
 			
-			setTo(Keys.keyFromString(keyStr), Keys.modFromString(modStr));
+			setTo(Keys.stringToKey(keyStr), Keys.stringToMod(modStr));
 			
 		} else {
-			setTo(Keys.keyFromString(dataString1), Keys.MOD_NONE);
+			setTo(Keys.stringToKey(dataString1), Keys.MOD_NONE);
 		}
 	}
 	
 	
-	public int getKey()
+	public Key getKey()
 	{
 		return key;
 	}
 	
 	
-	public int getMod()
+	public byte getMod()
 	{
 		return mod;
 	}
@@ -127,7 +117,7 @@ public class KeyStroke {
 	{
 		final int prime = 31;
 		int result = 1;
-		result = prime * result + key;
+		result = prime * result + key.getCode();
 		result = prime * result + mod;
 		return result;
 	}
@@ -140,7 +130,7 @@ public class KeyStroke {
 		if (obj == null) return false;
 		if (getClass() != obj.getClass()) return false;
 		final KeyStroke other = (KeyStroke) obj;
-		if (key != other.key) return false;
+		if (key.getCode() != other.key.getCode()) return false;
 		if (mod != other.mod) return false;
 		return true;
 	}

src/mightypork/gamecore/input/Keys.java

@@ -1,142 +1,153 @@
 package mightypork.gamecore.input;
 
 
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
+import mightypork.gamecore.core.App;
 import mightypork.utils.logging.Log;
 
-import org.lwjgl.input.Keyboard;
-
 
 /**
- * Key constants, from LWJGL {@link Keyboard}
+ * Key constants & translation table.
  * 
  * @author Ondřej Hruška (MightyPork)
  */
 public class Keys {
 	
 	//@formatter:off
+	public static final Key NONE            = new Key("NONE", "NULL");
 
-	public static final int NONE            = Keyboard.KEY_NONE;
-
-	public static final int ESCAPE          = Keyboard.KEY_ESCAPE;
-	
-	public static final int NUM_1           = Keyboard.KEY_1;
-	public static final int NUM_2           = Keyboard.KEY_2;
-	public static final int NUM_3           = Keyboard.KEY_3;
-	public static final int NUM_4           = Keyboard.KEY_4;
-	public static final int NUM_5           = Keyboard.KEY_5;
-	public static final int NUM_6           = Keyboard.KEY_6;
-	public static final int NUM_7           = Keyboard.KEY_7;
-	public static final int NUM_8           = Keyboard.KEY_8;
-	public static final int NUM_9           = Keyboard.KEY_9;
-	public static final int NUM_0           = Keyboard.KEY_0;
+	public static final Key NUM_0           = new Key("0", "ZERO");
+	public static final Key NUM_1           = new Key("1", "ONE");
+	public static final Key NUM_2           = new Key("2", "TWO");
+	public static final Key NUM_3           = new Key("3", "THREE");
+	public static final Key NUM_4           = new Key("4", "FOUR");
+	public static final Key NUM_5           = new Key("5", "FIVE");
+	public static final Key NUM_6           = new Key("6", "SIX");
+	public static final Key NUM_7           = new Key("7", "SEVEN");
+	public static final Key NUM_8           = new Key("8", "EIGHT");
+	public static final Key NUM_9           = new Key("9", "NINE");
 	
-	public static final int Q               = Keyboard.KEY_Q;
-	public static final int W               = Keyboard.KEY_W;
-	public static final int E               = Keyboard.KEY_E;
-	public static final int R               = Keyboard.KEY_R;
-	public static final int T               = Keyboard.KEY_T;
-	public static final int Y               = Keyboard.KEY_Y;
-	public static final int U               = Keyboard.KEY_U;
-	public static final int I               = Keyboard.KEY_I;
-	public static final int O               = Keyboard.KEY_O;
-	public static final int P               = Keyboard.KEY_P;
-	public static final int A               = Keyboard.KEY_A;
-	public static final int S               = Keyboard.KEY_S;
-	public static final int D               = Keyboard.KEY_D;
-	public static final int F               = Keyboard.KEY_F;
-	public static final int G               = Keyboard.KEY_G;
-	public static final int H               = Keyboard.KEY_H;
-	public static final int J               = Keyboard.KEY_J;
-	public static final int K               = Keyboard.KEY_K;
-	public static final int L               = Keyboard.KEY_L;
-	public static final int Z               = Keyboard.KEY_Z;
-	public static final int X               = Keyboard.KEY_X;
-	public static final int C               = Keyboard.KEY_C;
-	public static final int V               = Keyboard.KEY_V;
-	public static final int B               = Keyboard.KEY_B;
-	public static final int N               = Keyboard.KEY_N;
-	public static final int M               = Keyboard.KEY_M;
+	public static final Key Q               = new Key("Q");
+	public static final Key W               = new Key("W");
+	public static final Key E               = new Key("E");
+	public static final Key R               = new Key("R");
+	public static final Key T               = new Key("T");
+	public static final Key Y               = new Key("Y");
+	public static final Key U               = new Key("U");
+	public static final Key I               = new Key("I");
+	public static final Key O               = new Key("O");
+	public static final Key P               = new Key("P");
+	public static final Key A               = new Key("A");
+	public static final Key S               = new Key("S");
+	public static final Key D               = new Key("D");
+	public static final Key F               = new Key("F");
+	public static final Key G               = new Key("G");
+	public static final Key H               = new Key("H");
+	public static final Key J               = new Key("J");
+	public static final Key K               = new Key("K");
+	public static final Key L               = new Key("L");
+	public static final Key Z               = new Key("Z");
+	public static final Key X               = new Key("X");
+	public static final Key C               = new Key("C");
+	public static final Key V               = new Key("V");
+	public static final Key B               = new Key("B");
+	public static final Key N               = new Key("N");
+	public static final Key M               = new Key("M");
 
-	public static final int MINUS           = Keyboard.KEY_MINUS;
-	public static final int EQUALS          = Keyboard.KEY_EQUALS;
-	public static final int SLASH           = Keyboard.KEY_SLASH;
-	public static final int BACKSLASH       = Keyboard.KEY_BACKSLASH;
-	public static final int L_BRACKET       = Keyboard.KEY_LBRACKET;
-	public static final int R_BRACKET       = Keyboard.KEY_RBRACKET;
-	public static final int SEMICOLON       = Keyboard.KEY_SEMICOLON;
-	public static final int APOSTROPHE      = Keyboard.KEY_APOSTROPHE;
-	public static final int GRAVE           = Keyboard.KEY_GRAVE;
-	public static final int COMMA           = Keyboard.KEY_COMMA;
-	public static final int PERIOD          = Keyboard.KEY_PERIOD;
+	public static final Key MINUS           = new Key("MINUS", "DASH");
+	public static final Key EQUALS          = new Key("EQUALS");
+	public static final Key SLASH           = new Key("SLASH");
+	public static final Key BACKSLASH       = new Key("BACKSLASH");
+	public static final Key BRACKET_LEFT    = new Key("LBRACKET", "LEFT_BRACKET");
+	public static final Key BRACKET_RIGHT   = new Key("RBRACKET", "RIGHT_BRACKET");
+	public static final Key SEMICOLON       = new Key("SEMICOLON");
+	public static final Key APOSTROPHE      = new Key("APOSTROPHE", "APOS");
+	public static final Key GRAVE           = new Key("GRAVE", "ACCENT");
+	public static final Key COMMA           = new Key("COMMA");
+	public static final Key PERIOD          = new Key("PERIOD", "DOT", "POINT");
 	
-	public static final int SPACE           = Keyboard.KEY_SPACE;
-	public static final int BACKSPACE       = Keyboard.KEY_BACK;
-	public static final int TAB             = Keyboard.KEY_TAB;
+	public static final Key SPACE           = new Key("SPACE", "SPACEBAR");
+	public static final Key BACKSPACE       = new Key("BACKSPACE", "BACK");
+	public static final Key TAB             = new Key("TAB", "TABULATOR", "INDENT");
+	public static final Key ESCAPE          = new Key("ESC", "ESCAPE");
 	
-	public static final int F1              = Keyboard.KEY_F1;
-	public static final int F2              = Keyboard.KEY_F2;
-	public static final int F3              = Keyboard.KEY_F3;
-	public static final int F4              = Keyboard.KEY_F4;
-	public static final int F5              = Keyboard.KEY_F5;
-	public static final int F6              = Keyboard.KEY_F6;
-	public static final int F7              = Keyboard.KEY_F7;
-	public static final int F8              = Keyboard.KEY_F8;
-	public static final int F9              = Keyboard.KEY_F9;
-	public static final int F10             = Keyboard.KEY_F10;
-	public static final int F11             = Keyboard.KEY_F11;
-	public static final int F12             = Keyboard.KEY_F12;
-	public static final int F13             = Keyboard.KEY_F13;
-	public static final int F14             = Keyboard.KEY_F14;
-	public static final int F15             = Keyboard.KEY_F15;
+	// those probably can't be used
+	public static final Key APPS            = new Key("APPS");
+	public static final Key POWER           = new Key("POWER");
+	public static final Key SLEEP           = new Key("SLEEP");
+	public static final Key MENU            = new Key("MENU");
+	
+	public static final Key F1              = new Key("F1");
+	public static final Key F2              = new Key("F2");
+	public static final Key F3              = new Key("F3");
+	public static final Key F4              = new Key("F4");
+	public static final Key F5              = new Key("F5");
+	public static final Key F6              = new Key("F6");
+	public static final Key F7              = new Key("F7");
+	public static final Key F8              = new Key("F8");
+	public static final Key F9              = new Key("F9");
+	public static final Key F10             = new Key("F10");
+	public static final Key F11             = new Key("F11");
+	public static final Key F12             = new Key("F12");
+	public static final Key F13             = new Key("F13");
+	public static final Key F14             = new Key("F14");
+	public static final Key F15             = new Key("F15");
 
-	public static final int CAPS_LOCK       = Keyboard.KEY_CAPITAL;
-	public static final int SCROLL_LOCK     = Keyboard.KEY_SCROLL;	
-	public static final int NUM_LOCK        = Keyboard.KEY_NUMLOCK;
+	// probably not possible to bind to those.
+	public static final Key CAPS_LOCK       = new Key("CAPSLOCK", "CAPS", "CAPITAL");
+	public static final Key SCROLL_LOCK     = new Key("SCROLL", "SCROLL_LOCK");	
+	public static final Key NUM_LOCK        = new Key("NUMLOCK");
 	
-	public static final int NUMPAD_MINUS    = Keyboard.KEY_SUBTRACT;
-	public static final int NUMPAD_PLUSS    = Keyboard.KEY_ADD;
-	public static final int NUMPAD_0        = Keyboard.KEY_NUMPAD0;
-	public static final int NUMPAD_1        = Keyboard.KEY_NUMPAD1;
-	public static final int NUMPAD_2        = Keyboard.KEY_NUMPAD2;
-	public static final int NUMPAD_3        = Keyboard.KEY_NUMPAD3;
-	public static final int NUMPAD_4        = Keyboard.KEY_NUMPAD4;
-	public static final int NUMPAD_5        = Keyboard.KEY_NUMPAD5;
-	public static final int NUMPAD_6        = Keyboard.KEY_NUMPAD6;
-	public static final int NUMPAD_7        = Keyboard.KEY_NUMPAD7;
-	public static final int NUMPAD_8        = Keyboard.KEY_NUMPAD8;
-	public static final int NUMPAD_9        = Keyboard.KEY_NUMPAD9;
-	public static final int NUMPAD_DECIMAL  = Keyboard.KEY_DECIMAL;
-	public static final int NUMPAD_ENTER    = Keyboard.KEY_NUMPADENTER;
-	public static final int NUMPAD_DIVIDE   = Keyboard.KEY_DIVIDE;
-	public static final int NUMPAD_MULTIPLY = Keyboard.KEY_MULTIPLY;
+	public static final Key NUMPAD_MINUS    = new Key("SUBTRACT", "NUMPAD_MINUS", "NUMPAD_SUBTRACT");
+	public static final Key NUMPAD_PLUSS    = new Key("ADD", "NUMPAD_PLUS", "NUMPAD_ADD");
+	public static final Key NUMPAD_0        = new Key("NUMPAD_0");
+	public static final Key NUMPAD_1        = new Key("NUMPAD_1");
+	public static final Key NUMPAD_2        = new Key("NUMPAD_2");
+	public static final Key NUMPAD_3        = new Key("NUMPAD_3");
+	public static final Key NUMPAD_4        = new Key("NUMPAD_4");
+	public static final Key NUMPAD_5        = new Key("NUMPAD_5");
+	public static final Key NUMPAD_6        = new Key("NUMPAD_6");
+	public static final Key NUMPAD_7        = new Key("NUMPAD_7");
+	public static final Key NUMPAD_8        = new Key("NUMPAD_8");
+	public static final Key NUMPAD_9        = new Key("NUMPAD_9");
+	public static final Key NUMPAD_DECIMAL  = new Key("DECIMAL", "NUMPAD_DECIMAL", "NUMPAD_PERIOD", "NUMPAD_POINT");
+	public static final Key NUMPAD_ENTER    = new Key("NUMPAD_ENTER", "NUMPADRETURN", "NUMPAD_RETURN");
+	public static final Key NUMPAD_DIVIDE   = new Key("DIVIDE", "NUMPAD_DIVIDE", "NUMPAD_SLASH");
+	public static final Key NUMPAD_MULTIPLY = new Key("MULTIPLY", "NUMPAD_MULTIPLY", "NUMPAD_ASTERISK");
 	
-	public static final int L_CONTROL       = Keyboard.KEY_LCONTROL;
-	public static final int R_CONTROL       = Keyboard.KEY_RCONTROL;
-	public static final int L_ALT           = Keyboard.KEY_LMENU;
-	public static final int R_ALT           = Keyboard.KEY_RMENU;
-	public static final int L_SHIFT         = Keyboard.KEY_LSHIFT;
-	public static final int R_SHIFT         = Keyboard.KEY_RSHIFT;
-	public static final int L_META          = Keyboard.KEY_LMETA;
-	public static final int R_META          = Keyboard.KEY_RMETA;
+	public static final Key CONTROL_LEFT    = new Key("LCONTROL", "LEFT_CONTROL", "LCTRL", "LEFT_CTRL");
+	public static final Key CONTROL_RIGHT   = new Key("RCONTROL", "RIGHT_CONTROL", "RCTRL", "RIGHT_CTRL");
+	public static final Key ALT_LEFT        = new Key("LALT", "LMENU", "LEFT_MENU");
+	public static final Key ALT_RIGHT       = new Key("RALT", "RMENU", "RIGHT_MENU");
+	public static final Key SHIFT_LEFT      = new Key("LSHIFT", "LEFT_SHIFT");
+	public static final Key SHIFT_RIGHT     = new Key("RSHIFT", "RIGHT_SHIFT");
+	public static final Key META_LEFT       = new Key("LMETA", "LEFT_META", "LWIN", "LEFT_WIN");
+	public static final Key META_RIGHT      = new Key("RMETA", "RIGHT_META", "RWIN", "RIGHT_WIN");
 	
-	public static final int UP              = Keyboard.KEY_UP;
-	public static final int DOWN            = Keyboard.KEY_DOWN;
-	public static final int LEFT            = Keyboard.KEY_LEFT;
-	public static final int RIGHT           = Keyboard.KEY_RIGHT;
+	public static final Key UP              = new Key("UP", "ARROW_UP");
+	public static final Key DOWN            = new Key("DOWN", "ARROW_DOWN");
+	public static final Key LEFT            = new Key("LEFT", "ARROW_LEFT");
+	public static final Key RIGHT           = new Key("RIGHT", "ARROW_RIGHT");
 
-	public static final int HOME            = Keyboard.KEY_HOME;
-	public static final int END             = Keyboard.KEY_END;
+	public static final Key HOME            = new Key("HOME");
+	public static final Key END             = new Key("END");
 	
-	public static final int PAGE_UP         = Keyboard.KEY_PRIOR;
-	public static final int PAGE_DOWN       = Keyboard.KEY_NEXT;
+	public static final Key PAGE_UP         = new Key("PAGE_UP", "PGUP", "PRIOR");
+	public static final Key PAGE_DOWN       = new Key("PAGE_DOWN", "PGDN", "NEXT");
 
-	public static final int RETURN          = Keyboard.KEY_RETURN;
-	public static final int PAUSE           = Keyboard.KEY_PAUSE;
-	public static final int INSERT          = Keyboard.KEY_INSERT;
-	public static final int DELETE          = Keyboard.KEY_DELETE;
+	public static final Key RETURN          = new Key("ENTER", "RETURN", "CR");
+	public static final Key PAUSE           = new Key("PAUSE", "BREAK");
+	public static final Key INSERT          = new Key("INSERT");
+	public static final Key DELETE          = new Key("DELETE");
+	public static final Key SYSRQ           = new Key("SYSRQ"); // wtf is this anyway?
 
+	// here go modifier bits
 	public static final byte MOD_NONE       = 0;
 	public static final byte MOD_ALT        = 1;
 	public static final byte MOD_CONTROL    = 2;
@@ -144,122 +155,220 @@ public class Keys {
 	public static final byte MOD_META       = 8;
 	//@formatter:on
 	
-	private static HashMap<String, String> loadAliasMap = new HashMap<>();
-	private static HashMap<String, String> saveAliasMap = new HashMap<>();
+	private static Map<Integer, Key> lookupByCode = new HashMap<>(100);
+	private static List<Key> keyList = new ArrayList<>(100);
 	
 	static {
-		// init maps		
-		loadAliasMap.put("ENTER", "RETURN");
-		loadAliasMap.put("PGDN", "NEXT");
-		loadAliasMap.put("PGUP", "PRIOR");
-		loadAliasMap.put("PAGE_DOWN", "NEXT");
-		loadAliasMap.put("PAGE_UP", "PRIOR");
-		loadAliasMap.put("SPACEBAR", "SPACE");
-		loadAliasMap.put("ESC", "ESCAPE");
-		loadAliasMap.put("NUMPAD_DIVIDE", "DIVIDE");
-		loadAliasMap.put("NUMPAD_MULTIPLY", "MULTIPLY");
-		loadAliasMap.put("NUMPAD_ADD", "ADD");
-		loadAliasMap.put("NUMPAD_SUBTRACT", "SUBTRACT");
-		loadAliasMap.put("CAPS_LOCK", "CAPITAL");
-		loadAliasMap.put("SCROLL_LOCK", "SROLL");
-		loadAliasMap.put("NUM_LOCK", "NUMLOCK");
-		loadAliasMap.put("BACKSPACE", "BACK");
+		// define none key
+		NONE.setCode(0);
 		
-		saveAliasMap.put("RETURN", "ENTER");
-		saveAliasMap.put("ESCAPE", "ESC");
-		saveAliasMap.put("NEXT", "PGDN");
-		saveAliasMap.put("PRIOR", "PGUP");
-		saveAliasMap.put("DIVIDE", "NUMPAD_DIVIDE");
-		saveAliasMap.put("MULTIPLY", "NUMPAD_MULTIPLY");
-		saveAliasMap.put("ADD", "NUMPAD_ADD");
-		saveAliasMap.put("SUBTRACT", "NUMPAD_SUBTRACT");
-		saveAliasMap.put("CAPITAL", "CAPS_LOCK");
-		saveAliasMap.put("SROLL", "SCROLL_LOCK");
-		saveAliasMap.put("NUMLOCK", "NUM_LOCK");
-		saveAliasMap.put("BACK", "BACKSPACE");
+		// Use reflection to find keys
+		Field[] fields = Keys.class.getFields();
+		try {
+			for (Field field : fields) {
+				int modifiers = field.getModifiers();
+				if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers) && Modifier.isFinal(modifiers) && field.getType().equals(Key.class)) {
+					
+					keyList.add((Key) field.get(null));
+				}
+			}
+		} catch (Exception e) {}
 	}
 	
 	
-	public static int keyFromString(String key)
+	/**
+	 * Build lookup table by key codes
+	 */
+	private static void buildCodeLookupTable()
 	{
-		String key1 = key;
-		if (loadAliasMap.containsKey(key1)) key1 = loadAliasMap.get(key1);
+		lookupByCode.clear();
+		
+		lookupByCode.put(NONE.getCode(), NONE);
 		
-		final int index = Keyboard.getKeyIndex(key1);
-		if (index == Keys.NONE && !key1.equals("NONE")) {
-			Log.w("Could not parse key: " + key + " (" + key1 + ")");
+		for (Key k : keyList) {
+			if (!k.isDefined()) continue;
+			if (!lookupByCode.containsKey(k.getCode())) {
+				lookupByCode.put(k.getCode(), k);
+			}
+		}
+		
+		if (lookupByCode.size() == 1) {
+			// NONE alone
+			Log.w("Key codes are not ininitialized.");
+		}
+	}
+	
+	
+	/**
+	 * Convert a key name to a key code.
+	 * 
+	 * @param keyStr key name
+	 * @return the key, or NONE if none matches
+	 */
+	public static Key stringToKey(String keyStr)
+	{
+		for (Key k : keyList) {
+			if (k.matches(keyStr)) return k;
 		}
-		return index;
+		
+		Log.w("No such key: " + keyStr);
+		
+		return NONE;
 	}
 	
 	
-	public static int modFromString(String mod)
+	/**
+	 * Convert a mod description to a mod mask. A mod description is a string
+	 * containing CTRL,ALT,SHIFT,META, as in CTRL+ALT.<br>
+	 * If none of the mod identifiers are found in the description, a MOD_NONE
+	 * is returned.<br>
+	 * This method is used for parsing keystroke, together with nameToKey().
+	 * 
+	 * @param modStr mod description (eg. CTRL+ALT)
+	 * @return mod mask
+	 */
+	public static int stringToMod(String modStr)
 	{
-		int mod_mask = Keys.MOD_NONE;
+		int mod_mask = MOD_NONE;
+		
+		modStr = modStr.toUpperCase();
 		
-		if (mod.contains("CTRL")) {
-			mod_mask |= Keys.MOD_CONTROL;
+		if (modStr.contains("CTRL")) {
+			mod_mask |= MOD_CONTROL;
 		}
 		
-		if (mod.contains("ALT")) {
-			mod_mask |= Keys.MOD_ALT;
+		if (modStr.contains("ALT")) {
+			mod_mask |= MOD_ALT;
 		}
 		
-		if (mod.contains("SHIFT")) {
-			mod_mask |= Keys.MOD_SHIFT;
+		if (modStr.contains("SHIFT")) {
+			mod_mask |= MOD_SHIFT;
 		}
 		
-		if (mod.contains("META") || mod.contains("WIN")) {
-			mod_mask |= Keys.MOD_META;
+		if (modStr.contains("META") || modStr.contains("WIN")) {
+			mod_mask |= MOD_META;
 		}
 		
 		return mod_mask;
 	}
 	
 	
-	public static String modToString(int mod)
+	/**
+	 * Convert a mod mask to a mod description, in a format recognized by
+	 * stringToMod() - joining mods by +.
+	 * 
+	 * @param modMask mod mask
+	 * @return mods as string (CTRL+ALT)
+	 */
+	public static String modToString(int modMask)
 	{
 		String s = "";
 		
-		if ((mod & Keys.MOD_CONTROL) != 0) {
-			s += "CTRL+";
+		if ((modMask & MOD_CONTROL) != 0) {
+			s += "CTRL";
 		}
 		
-		if ((mod & Keys.MOD_ALT) != 0) {
-			s += "ALT+";
+		if ((modMask & MOD_ALT) != 0) {
+			if (!s.isEmpty()) s += "+";
+			s += "ALT";
 		}
 		
-		if ((mod & Keys.MOD_SHIFT) != 0) {
-			s += "SHIFT+";
+		if ((modMask & MOD_SHIFT) != 0) {
+			if (!s.isEmpty()) s += "+";
+			s += "SHIFT";
 		}
 		
-		if ((mod & Keys.MOD_META) != 0) {
-			s += "META+";
+		if ((modMask & MOD_META) != 0) {
+			if (!s.isEmpty()) s += "+";
+			s += "META";
 		}
 		
 		return s;
 	}
 	
 	
-	public static String keyToString(int key)
+	/**
+	 * Get a {@link Key} for key code.
+	 * 
+	 * @param keyCode code
+	 * @return key instance, or NONE if no key matches.
+	 */
+	public static Key codeToKey(int keyCode)
 	{
-		String s = Keyboard.getKeyName(key);
-		if (saveAliasMap.containsKey(s)) s = saveAliasMap.get(s);
-		if (s == null) {
-			Log.w("Could not stringify key: " + key);
-			s = "NONE";
+		if (lookupByCode.isEmpty()) buildCodeLookupTable();
+		
+		Key k = lookupByCode.get(keyCode);
+		
+		if (k == null) {
+			Log.w("No key for code: " + keyCode);
+			k = NONE;
 		}
-		return s.toUpperCase();
+		
+		return k;
 	}
 	
 	
-	public static int keyToMod(int key)
+	/**
+	 * Convert a key to mod mask, in case the key is one of the mod keys.
+	 * 
+	 * @param key the key
+	 * @return mod mask corresponding to the key
+	 */
+	public static int keyToMod(Key key)
 	{
-		if (key == L_SHIFT || key == R_SHIFT) return MOD_SHIFT;
-		if (key == L_CONTROL || key == R_CONTROL) return MOD_CONTROL;
-		if (key == L_ALT || key == R_ALT) return MOD_ALT;
-		if (key == L_META || key == R_META) return MOD_META;
+		
+		if (key == SHIFT_LEFT || key == SHIFT_RIGHT) return MOD_SHIFT;
+		
+		if (key == CONTROL_LEFT || key == CONTROL_RIGHT) return MOD_CONTROL;
+		if (key == ALT_LEFT || key == ALT_RIGHT) return MOD_ALT;
+		if (key == META_LEFT || key == META_RIGHT) return MOD_META;
+		
 		return MOD_NONE;
 	}
 	
+	
+	/**
+	 * Get if the given key is down (call it's "isDown()" method).<br>
+	 * This method is here just for completeness, since the getActiveMod() is
+	 * also here.
+	 * 
+	 * @param key the key to check
+	 * @return true if the key is down
+	 */
+	public static boolean isKeyDown(Key key)
+	{
+		return key.isDown();
+	}
+	
+	
+	/**
+	 * Get currently active key modifiers
+	 * 
+	 * @return active mod mask (mod bits ored)
+	 */
+	public static int getActiveMod()
+	{
+		int mods = 0;
+		
+		InputModule inp = App.input();
+		
+		if (inp.isKeyDown(Keys.ALT_LEFT) || inp.isKeyDown(Keys.ALT_RIGHT)) {
+			mods |= Keys.MOD_ALT;
+		}
+		
+		if (inp.isKeyDown(Keys.SHIFT_LEFT) || inp.isKeyDown(Keys.SHIFT_RIGHT)) {
+			mods |= Keys.MOD_SHIFT;
+		}
+		
+		if (inp.isKeyDown(Keys.CONTROL_LEFT) || inp.isKeyDown(Keys.CONTROL_RIGHT)) {
+			mods |= Keys.MOD_CONTROL;
+		}
+		
+		if (inp.isKeyDown(Keys.META_LEFT) || inp.isKeyDown(Keys.META_RIGHT)) {
+			mods |= Keys.MOD_META;
+		}
+		
+		return mods;
+	}
+	
 }

src/mightypork/gamecore/input/Trigger.java

@@ -4,7 +4,7 @@ package mightypork.gamecore.input;
 /**
  * Type of keystroke (falling / rising edge)
  */
-public enum Edge
+public enum Trigger
 {
 	/** Activated by falling edge (press) */
 	FALLING,

src/mightypork/rogue/RogueApp.java

@@ -15,7 +15,7 @@ import mightypork.gamecore.graphics.GraphicsModule;
 import mightypork.gamecore.gui.events.ViewportChangeEvent;
 import mightypork.gamecore.gui.events.ViewportChangeListener;
 import mightypork.gamecore.gui.screens.ScreenRegistry;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.RogueStateManager.RogueState;
 import mightypork.rogue.events.RogueStateRequest;
@@ -117,7 +117,7 @@ public final class RogueApp extends BaseApp implements ViewportChangeListener, S
 	
 	private void bindEventToKey(final BusEvent<?> event, String strokeName)
 	{
-		getInput().bindKey(Config.getKeyStroke(strokeName), Edge.RISING, new Runnable() {
+		getInput().bindKey(Config.getKeyStroke(strokeName), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()

src/mightypork/rogue/screens/FpsOverlay.java

@@ -7,7 +7,7 @@ import mightypork.gamecore.graphics.fonts.IFont;
 import mightypork.gamecore.gui.Action;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.Overlay;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.utils.math.AlignX;
 import mightypork.utils.math.color.pal.RGB;
@@ -33,7 +33,7 @@ public class FpsOverlay extends Overlay {
 		/*
 		 * Toggle key: F3
 		 */
-		bindKey(Config.getKeyStroke("global.fps_meter"), Edge.RISING, new Action() {
+		bindKey(Config.getKeyStroke("global.fps_meter"), Trigger.RISING, new Action() {
 			
 			@Override
 			public void execute()

src/mightypork/rogue/screens/game/LayerAskSave.java

@@ -12,7 +12,7 @@ import mightypork.gamecore.gui.components.layout.linear.LinearLayout;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.impl.FadingLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.screens.game.ScreenGame.GScrState;
 import mightypork.rogue.world.WorldProvider;
@@ -121,13 +121,13 @@ public class LayerAskSave extends FadingLayer {
 		btn2.setAction(discard);
 		btn3.setAction(cancel);
 		
-		bindKey(Config.getKeyStroke("general.close"), Edge.RISING, cancel);
-		bindKey(Config.getKeyStroke("general.cancel"), Edge.RISING, cancel);
+		bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, cancel);
+		bindKey(Config.getKeyStroke("general.cancel"), Trigger.RISING, cancel);
 		
-		bindKey(Config.getKeyStroke("general.yes"), Edge.RISING, save);
-		bindKey(Config.getKeyStroke("general.confirm"), Edge.RISING, save);
+		bindKey(Config.getKeyStroke("general.yes"), Trigger.RISING, save);
+		bindKey(Config.getKeyStroke("general.confirm"), Trigger.RISING, save);
 		
-		bindKey(Config.getKeyStroke("general.no"), Edge.RISING, discard);
+		bindKey(Config.getKeyStroke("general.no"), Trigger.RISING, discard);
 	}
 	
 	

src/mightypork/rogue/screens/game/LayerDeath.java

@@ -14,7 +14,7 @@ import mightypork.gamecore.gui.components.painters.ImagePainter;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.impl.FadingLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.RogueStateManager.RogueState;
 import mightypork.rogue.events.RogueStateRequest;
@@ -89,9 +89,9 @@ public class LayerDeath extends FadingLayer {
 		btn1.setAction(load);
 		btn2.setAction(quit);
 		
-		bindKey(Config.getKeyStroke("game.load"), Edge.RISING, load);
-		bindKey(Config.getKeyStroke("general.confirm"), Edge.RISING, load);
-		bindKey(Config.getKeyStroke("general.close"), Edge.RISING, quit);
+		bindKey(Config.getKeyStroke("game.load"), Trigger.RISING, load);
+		bindKey(Config.getKeyStroke("general.confirm"), Trigger.RISING, load);
+		bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, quit);
 	}
 	
 	

src/mightypork/rogue/screens/game/LayerInv.java

@@ -8,7 +8,7 @@ import mightypork.gamecore.gui.components.layout.GridLayout;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.impl.FadingLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.screens.game.ScreenGame.GScrState;
@@ -155,7 +155,7 @@ public class LayerInv extends FadingLayer {
 		gl.put(txp2, pos, 0, 1, 1);
 		txp2.setVPaddingPercent(25);
 		
-		bindKey(keyClose, Edge.RISING, new Runnable() {
+		bindKey(keyClose, Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -165,7 +165,7 @@ public class LayerInv extends FadingLayer {
 			}
 		});
 		
-		bindKey(keyUse, Edge.RISING, new Runnable() {
+		bindKey(keyUse, Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -178,7 +178,7 @@ public class LayerInv extends FadingLayer {
 			}
 		});
 		
-		bindKey(keyDrop, Edge.RISING, new Runnable() {
+		bindKey(keyDrop, Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -233,7 +233,7 @@ public class LayerInv extends FadingLayer {
 	private void setupGridWalkKeys()
 	{
 		
-		bindKey(Config.getKeyStroke("game.inv.move.left"), Edge.RISING, new Runnable() {
+		bindKey(Config.getKeyStroke("game.inv.move.left"), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -250,7 +250,7 @@ public class LayerInv extends FadingLayer {
 			}
 		});
 		
-		bindKey(Config.getKeyStroke("game.inv.move.right"), Edge.RISING, new Runnable() {
+		bindKey(Config.getKeyStroke("game.inv.move.right"), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -267,7 +267,7 @@ public class LayerInv extends FadingLayer {
 			}
 		});
 		
-		bindKey(Config.getKeyStroke("game.inv.move.up"), Edge.RISING, new Runnable() {
+		bindKey(Config.getKeyStroke("game.inv.move.up"), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()
@@ -284,7 +284,7 @@ public class LayerInv extends FadingLayer {
 			}
 		});
 		
-		bindKey(Config.getKeyStroke("game.inv.move.down"), Edge.RISING, new Runnable() {
+		bindKey(Config.getKeyStroke("game.inv.move.down"), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()

src/mightypork/rogue/screens/game/LayerWin.java

@@ -13,7 +13,7 @@ import mightypork.gamecore.gui.components.painters.ImagePainter;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.impl.FadingLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.RogueStateManager.RogueState;
 import mightypork.rogue.events.RogueStateRequest;
@@ -69,8 +69,8 @@ public class LayerWin extends FadingLayer {
 		
 		btn1.setAction(quit);
 		
-		bindKey(Config.getKeyStroke("general.confirm"), Edge.RISING, quit);
-		bindKey(Config.getKeyStroke("general.close"), Edge.RISING, quit);
+		bindKey(Config.getKeyStroke("general.confirm"), Trigger.RISING, quit);
+		bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, quit);
 	}
 	
 	

src/mightypork/rogue/screens/game/ScreenGame.java

@@ -7,7 +7,7 @@ import mightypork.gamecore.core.config.Config;
 import mightypork.gamecore.core.events.UserQuitRequest;
 import mightypork.gamecore.gui.Action;
 import mightypork.gamecore.gui.ActionGroup;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.Const;
 import mightypork.rogue.RogueStateManager.RogueState;
@@ -246,17 +246,17 @@ public class ScreenGame extends RogueScreen implements PlayerDeathHandler, GameW
 		addLayer(worldLayer = new LayerMapView(this));
 		addLayer(askSaveLayer = new LayerAskSave(this));
 		
-		bindKey(Config.getKeyStroke("game.pause"), Edge.RISING, actionTogglePause);
+		bindKey(Config.getKeyStroke("game.pause"), Trigger.RISING, actionTogglePause);
 		
-		bindKey(Config.getKeyStroke("game.inventory"), Edge.RISING, actionToggleInv);
-		bindKey(Config.getKeyStroke("game.drop"), Edge.RISING, actionDropLastPickedItem);
-		bindKey(Config.getKeyStroke("game.eat"), Edge.RISING, actionEat);
-		bindKey(Config.getKeyStroke("game.minimap"), Edge.RISING, actionToggleMinimap);
-		bindKey(Config.getKeyStroke("game.zoom"), Edge.RISING, actionToggleZoom);
+		bindKey(Config.getKeyStroke("game.inventory"), Trigger.RISING, actionToggleInv);
+		bindKey(Config.getKeyStroke("game.drop"), Trigger.RISING, actionDropLastPickedItem);
+		bindKey(Config.getKeyStroke("game.eat"), Trigger.RISING, actionEat);
+		bindKey(Config.getKeyStroke("game.minimap"), Trigger.RISING, actionToggleMinimap);
+		bindKey(Config.getKeyStroke("game.zoom"), Trigger.RISING, actionToggleZoom);
 		
-		bindKey(Config.getKeyStroke("game.load"), Edge.RISING, actionLoad);
-		bindKey(Config.getKeyStroke("game.save"), Edge.RISING, actionSave);
-		bindKey(Config.getKeyStroke("game.quit"), Edge.RISING, actionMenu);
+		bindKey(Config.getKeyStroke("game.load"), Trigger.RISING, actionLoad);
+		bindKey(Config.getKeyStroke("game.save"), Trigger.RISING, actionSave);
+		bindKey(Config.getKeyStroke("game.quit"), Trigger.RISING, actionMenu);
 		
 //		bindKey(new KeyStroke(Keys.W), Edge.RISING, new Runnable() {
 //			
@@ -284,7 +284,7 @@ public class ScreenGame extends RogueScreen implements PlayerDeathHandler, GameW
 		worldActions.setEnabled(true);
 		
 		// CHEAT - X-ray
-		bindKey(Config.getKeyStroke("game.cheat.xray"), Edge.RISING, new Runnable() {
+		bindKey(Config.getKeyStroke("game.cheat.xray"), Trigger.RISING, new Runnable() {
 			
 			@Override
 			public void run()

src/mightypork/rogue/screens/menu/ScreenMainMenu.java

@@ -12,7 +12,7 @@ import mightypork.gamecore.gui.components.painters.ImagePainter;
 import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.RogueStateManager.RogueState;
 import mightypork.rogue.events.RogueStateRequest;
@@ -103,7 +103,7 @@ public class ScreenMainMenu extends RogueScreen {
 			});
 			rows.add(btn, 2);
 			
-			bindKey(Config.getKeyStroke("general.close"), Edge.RISING, new Runnable() {
+			bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, new Runnable() {
 				
 				@Override
 				public void run()

src/mightypork/rogue/screens/select_world/ScreenSelectWorld.java

@@ -8,7 +8,7 @@ import mightypork.gamecore.gui.components.painters.QuadPainter;
 import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.resources.Res;
 import mightypork.rogue.RogueStateManager.RogueState;
 import mightypork.rogue.events.RogueStateRequest;
@@ -76,7 +76,7 @@ public class ScreenSelectWorld extends RogueScreen {
 			rows.add(slot3);
 			
 			// escape to quitn from here
-			bindKey(Config.getKeyStroke("general.close"), Edge.RISING, new Runnable() {
+			bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, new Runnable() {
 				
 				@Override
 				public void run()

src/mightypork/rogue/screens/story/ScreenStory.java

@@ -10,7 +10,7 @@ import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
 import mightypork.gamecore.gui.screens.impl.LayerColor;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.input.events.MouseButtonEvent;
@@ -213,11 +213,11 @@ public class ScreenStory extends RogueScreen implements MouseButtonHandler {
 		addLayer(new LayerColor(this, Color.fromHex(0x040c1e), 0));
 		addLayer(slideLayer = new LayerSlide(this));
 		
-		bindKey(new KeyStroke(Keys.SPACE), Edge.RISING, next);
-		bindKey(new KeyStroke(Keys.RIGHT), Edge.RISING, next);
-		bindKey(new KeyStroke(Keys.BACKSPACE), Edge.RISING, prev);
-		bindKey(new KeyStroke(Keys.LEFT), Edge.RISING, prev);
-		bindKey(Config.getKeyStroke("general.close"), Edge.RISING, close);
+		bindKey(new KeyStroke(Keys.SPACE), Trigger.RISING, next);
+		bindKey(new KeyStroke(Keys.RIGHT), Trigger.RISING, next);
+		bindKey(new KeyStroke(Keys.BACKSPACE), Trigger.RISING, prev);
+		bindKey(new KeyStroke(Keys.LEFT), Trigger.RISING, prev);
+		bindKey(Config.getKeyStroke("general.close"), Trigger.RISING, close);
 	}
 	
 	private int slide = 0;

src/mightypork/rogue/world/gui/interaction/MIPKeyboard.java

@@ -7,7 +7,7 @@ import java.util.List;
 
 import mightypork.gamecore.backends.lwjgl.LwjglInputModule;
 import mightypork.gamecore.core.config.Config;
-import mightypork.gamecore.input.Edge;
+import mightypork.gamecore.input.Trigger;
 import mightypork.gamecore.input.KeyBindingPool;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
@@ -63,7 +63,7 @@ public class MIPKeyboard extends MapInteractionPlugin implements DelegatingClien
 		for (int i = 0; i < 4; i++) {
 			
 			final int j = i;
-			kbp.bindKey(keys[i], Edge.RISING, new Runnable() {
+			kbp.bindKey(keys[i], Trigger.RISING, new Runnable() {
 				
 				@Override
 				public void run()
@@ -103,7 +103,7 @@ public class MIPKeyboard extends MapInteractionPlugin implements DelegatingClien
 		
 		if (mapView.plc.getPlayer().getMoveProgress() < 0.8) return false;
 		
-		if (LwjglInputModule.getActiveModKeys() != Keys.MOD_NONE) return false;
+		if (LwjglInputModule.getActiveKeyMod() != Keys.MOD_NONE) return false;
 		
 		for (int i = 0; i < 4; i++) {
 			if (keys[i].isDown()) {