1 files changed, 18 insertions, 10 deletions

diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 3ab6e12e01..0e62e6e30a 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -1079,8 +1079,11 @@ Transform2D Viewport::_get_input_pre_xform() const {
 }
 
 Ref<InputEvent> Viewport::_make_input_local(const Ref<InputEvent> &ev) {
-	Transform2D ai = get_final_transform().affine_inverse() * _get_input_pre_xform();
+	if (ev.is_null()) {
+		return ev; // No transformation defined for null event
+	}
 
+	Transform2D ai = get_final_transform().affine_inverse() * _get_input_pre_xform();
 	return ev->xformed_by(ai);
 }
 
@@ -2878,9 +2881,8 @@ bool Viewport::gui_is_dragging() const {
 
 void Viewport::set_input_as_handled() {
 	_drop_physics_mouseover();
-	if (handle_input_locally) {
-		local_input_handled = true;
-	} else {
+
+	if (!handle_input_locally) {
 		ERR_FAIL_COND(!is_inside_tree());
 		Viewport *vp = this;
 		while (true) {
@@ -2892,16 +2894,19 @@ void Viewport::set_input_as_handled() {
 			}
 			vp = vp->get_parent()->get_viewport();
 		}
-		vp->set_input_as_handled();
+		if (vp != this) {
+			vp->set_input_as_handled();
+			return;
+		}
 	}
+
+	local_input_handled = true;
 }
 
 bool Viewport::is_input_handled() const {
-	if (handle_input_locally) {
-		return local_input_handled;
-	} else {
-		const Viewport *vp = this;
+	if (!handle_input_locally) {
 		ERR_FAIL_COND_V(!is_inside_tree(), false);
+		const Viewport *vp = this;
 		while (true) {
 			if (Object::cast_to<Window>(vp)) {
 				break;
@@ -2911,8 +2916,11 @@ bool Viewport::is_input_handled() const {
 			}
 			vp = vp->get_parent()->get_viewport();
 		}
-		return vp->is_input_handled();
+		if (vp != this) {
+			return vp->is_input_handled();
+		}
 	}
+	return local_input_handled;
 }
 
 void Viewport::set_handle_input_locally(bool p_enable) {