v3.0.0: added proper support for touches cancelled by system gestures

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

@@ -133,11 +133,13 @@ public class InputHandler extends InputAdapter {
 
 	@Override
 	public boolean touchCancelled(int screenX, int screenY, int pointer, int button) {
-		//currently emulating functionality from libGDX 1.11.0, do we keep this?
-		//in particular this is probably a more graceful way to handle things like system swipes on iOS
-		//whereas previously they generated garbage inputs sometimes
-		//which were then fixed in v2.2.2
-		return touchUp(screenX, screenY, pointer, button);
+
+		if (button >= 3 && KeyBindings.isKeyBound( button + 1000 )) {
+			KeyEvent.addKeyEvent( new KeyEvent( button + 1000, false ) );
+		} else if (button < 3) {
+			PointerEvent.addPointerEvent(new PointerEvent(screenX, screenY, pointer, PointerEvent.Type.CANCEL, button));
+		}
+		return true;
 	}
 
 	@Override

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

@@ -35,6 +35,7 @@ public class PointerEvent {
 	public enum Type {
 		DOWN,
 		UP,
+		CANCEL,
 		HOVER
 	}
 
@@ -82,6 +83,11 @@ public class PointerEvent {
 		return this;
 	}
 
+	public PointerEvent cancel() {
+		if (type == Type.DOWN) type = Type.CANCEL;
+		return this;
+	}
+
 	public PointerEvent handle(){
 		handled = true;
 		return this;
@@ -162,9 +168,12 @@ public class PointerEvent {
 					pointerSignal.dispatch( null );
 				} else if (p.type == Type.DOWN) {
 					pointerSignal.dispatch( existing );
-				} else {
+				} else if (p.type == Type.UP){
 					activePointers.remove(existing.id);
 					pointerSignal.dispatch(existing.up());
+				} else if (p.type == Type.CANCEL){
+					activePointers.remove(existing.id);
+					pointerSignal.dispatch(existing.cancel());
 				}
 			} else {
 				if (p.type == Type.DOWN) {
@@ -185,12 +194,4 @@ public class PointerEvent {
 		}
 	}
 
-	public static synchronized void clearPointerEvents(){
-		pointerEvents.clear();
-		for (PointerEvent p : activePointers.values()){
-			p.current = p.start = new PointF(-1, -1);
-			pointerSignal.dispatch(p.up());
-		}
-		activePointers.clear();
-	}
 }