Add double_tap attribute to InputEventScreenTouch

This provides parity with the `InputEventMouseButton` allowing for proper conversion between the two events.

3 files changed, 20 insertions, 1 deletions

diff --git a/core/input/input.cpp b/core/input/input.cpp
index 889c2a92fa..1321e40795 100644
--- a/core/input/input.cpp
+++ b/core/input/input.cpp
@@ -519,6 +519,7 @@ void Input::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_em
 			touch_event.instantiate();
 			touch_event->set_pressed(mb->is_pressed());
 			touch_event->set_position(mb->get_position());
+			touch_event->set_double_tap(mb->is_double_click());
 			event_dispatch_function(touch_event);
 		}
 	}
@@ -580,6 +581,7 @@ void Input::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_em
 				button_event->set_global_position(st->get_position());
 				button_event->set_pressed(st->is_pressed());
 				button_event->set_button_index(MouseButton::LEFT);
+				button_event->set_double_click(st->is_double_tap());
 				if (st->is_pressed()) {
 					button_event->set_button_mask(MouseButton(mouse_button_mask | MouseButton::MASK_LEFT));
 				} else {
diff --git a/core/input/input_event.cpp b/core/input/input_event.cpp
index 38037eaf72..9dc071de9c 100644
--- a/core/input/input_event.cpp
+++ b/core/input/input_event.cpp
@@ -1162,6 +1162,13 @@ bool InputEventScreenTouch::is_pressed() const {
 	return pressed;
 }
 
+void InputEventScreenTouch::set_double_tap(bool p_double_tap) {
+	double_tap = p_double_tap;
+}
+bool InputEventScreenTouch::is_double_tap() const {
+	return double_tap;
+}
+
 Ref<InputEvent> InputEventScreenTouch::xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs) const {
 	Ref<InputEventScreenTouch> st;
 	st.instantiate();
@@ -1170,6 +1177,7 @@ Ref<InputEvent> InputEventScreenTouch::xformed_by(const Transform2D &p_xform, co
 	st->set_index(index);
 	st->set_position(p_xform.xform(pos + p_local_ofs));
 	st->set_pressed(pressed);
+	st->set_double_tap(double_tap);
 
 	return st;
 }
@@ -1182,7 +1190,8 @@ String InputEventScreenTouch::as_text() const {
 
 String InputEventScreenTouch::to_string() {
 	String p = pressed ? "true" : "false";
-	return vformat("InputEventScreenTouch: index=%d, pressed=%s, position=(%s)", index, p, String(get_position()));
+	String double_tap_string = double_tap ? "true" : "false";
+	return vformat("InputEventScreenTouch: index=%d, pressed=%s, position=(%s), double_tap=%s", index, p, String(get_position()), double_tap_string);
 }
 
 void InputEventScreenTouch::_bind_methods() {
@@ -1195,9 +1204,13 @@ void InputEventScreenTouch::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_pressed", "pressed"), &InputEventScreenTouch::set_pressed);
 	//ClassDB::bind_method(D_METHOD("is_pressed"),&InputEventScreenTouch::is_pressed);
 
+	ClassDB::bind_method(D_METHOD("set_double_tap", "double_tap"), &InputEventScreenTouch::set_double_tap);
+	ClassDB::bind_method(D_METHOD("is_double_tap"), &InputEventScreenTouch::is_double_tap);
+
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "index"), "set_index", "get_index");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "position", PROPERTY_HINT_NONE, "suffix:px"), "set_position", "get_position");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "pressed"), "set_pressed", "is_pressed");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "double_tap"), "set_double_tap", "is_double_tap");
 }
 
 ///////////////////////////////////
diff --git a/core/input/input_event.h b/core/input/input_event.h
index bc3ec3e7ac..adbcb7cf68 100644
--- a/core/input/input_event.h
+++ b/core/input/input_event.h
@@ -353,6 +353,7 @@ class InputEventScreenTouch : public InputEventFromWindow {
 	int index = 0;
 	Vector2 pos;
 	bool pressed = false;
+	bool double_tap = false;
 
 protected:
 	static void _bind_methods();
@@ -367,6 +368,9 @@ public:
 	void set_pressed(bool p_pressed);
 	virtual bool is_pressed() const override;
 
+	void set_double_tap(bool p_double_tap);
+	bool is_double_tap() const;
+
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
 	virtual String to_string() override;