4 files changed, 43 insertions, 2 deletions
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 95d03a0f95..10f44d357b 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -678,6 +678,22 @@ String _OS::get_unique_id() const {
 	return OS::get_singleton()->get_unique_id();
 }
 
+int _OS::get_tablet_driver_count() const {
+	return OS::get_singleton()->get_tablet_driver_count();
+}
+
+String _OS::get_tablet_driver_name(int p_driver) const {
+	return OS::get_singleton()->get_tablet_driver_name(p_driver);
+}
+
+String _OS::get_current_tablet_driver() const {
+	return OS::get_singleton()->get_current_tablet_driver();
+}
+
+void _OS::set_current_tablet_driver(const String &p_driver) {
+	OS::get_singleton()->set_current_tablet_driver(p_driver);
+}
+
 _OS *_OS::singleton = nullptr;
 
 void _OS::_bind_methods() {
@@ -762,9 +778,15 @@ void _OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("request_permissions"), &_OS::request_permissions);
 	ClassDB::bind_method(D_METHOD("get_granted_permissions"), &_OS::get_granted_permissions);
 
+	ClassDB::bind_method(D_METHOD("get_tablet_driver_count"), &_OS::get_tablet_driver_count);
+	ClassDB::bind_method(D_METHOD("get_tablet_driver_name", "idx"), &_OS::get_tablet_driver_name);
+	ClassDB::bind_method(D_METHOD("get_current_tablet_driver"), &_OS::get_current_tablet_driver);
+	ClassDB::bind_method(D_METHOD("set_current_tablet_driver", "name"), &_OS::set_current_tablet_driver);
+
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "exit_code"), "set_exit_code", "get_exit_code");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "low_processor_usage_mode"), "set_low_processor_usage_mode", "is_in_low_processor_usage_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "low_processor_usage_mode_sleep_usec"), "set_low_processor_usage_mode_sleep_usec", "get_low_processor_usage_mode_sleep_usec");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "tablet_driver"), "set_current_tablet_driver", "get_current_tablet_driver");
 
 	// Those default values need to be specified for the docs generator,
 	// to avoid using values from the documentation writer's own OS instance.
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index 32ddcf2c74..e5bd70262d 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -243,6 +243,11 @@ public:
 	bool request_permissions();
 	Vector<String> get_granted_permissions() const;
 
+	int get_tablet_driver_count() const;
+	String get_tablet_driver_name(int p_driver) const;
+	String get_current_tablet_driver() const;
+	void set_current_tablet_driver(const String &p_driver);
+
 	static _OS *get_singleton() { return singleton; }
 
 	_OS() { singleton = this; }
diff --git a/core/os/os.h b/core/os/os.h
index 9296e17bb2..9ca034a01c 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -58,7 +58,6 @@ class OS {
 	bool _allow_layered = false;
 	bool _use_vsync;
 	bool _vsync_via_compositor;
-	bool _disable_wintab;
 
 	char *last_error;
 
@@ -148,7 +147,11 @@ public:
 
 	bool is_layered_allowed() const { return _allow_layered; }
 	bool is_hidpi_allowed() const { return _allow_hidpi; }
-	bool is_wintab_disabled() const { return _disable_wintab; }
+
+	virtual int get_tablet_driver_count() const { return 0; };
+	virtual String get_tablet_driver_name(int p_driver) const { return ""; };
+	virtual String get_current_tablet_driver() const { return ""; };
+	virtual void set_current_tablet_driver(const String &p_driver){};
 
 	void ensure_user_data_dir();
 
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index 82b1f29805..404468a7b4 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -1174,6 +1174,9 @@ struct _VariantCall {
 		List<StringName> value_ordered;
 #endif
 		Map<StringName, Variant> variant_value;
+#ifdef DEBUG_ENABLED
+		List<StringName> variant_value_ordered;
+#endif
 	};
 
 	static ConstantData *constant_data;
@@ -1187,6 +1190,9 @@ struct _VariantCall {
 
 	static void add_variant_constant(int p_type, StringName p_constant_name, const Variant &p_constant_value) {
 		constant_data[p_type].variant_value[p_constant_name] = p_constant_value;
+#ifdef DEBUG_ENABLED
+		constant_data[p_type].variant_value_ordered.push_back(p_constant_name);
+#endif
 	}
 };
 
@@ -1652,8 +1658,13 @@ void Variant::get_constants_for_type(Variant::Type p_type, List<StringName> *p_c
 #endif
 	}
 
+#ifdef DEBUG_ENABLED
+	for (List<StringName>::Element *E = cd.variant_value_ordered.front(); E; E = E->next()) {
+		p_constants->push_back(E->get());
+#else
 	for (Map<StringName, Variant>::Element *E = cd.variant_value.front(); E; E = E->next()) {
 		p_constants->push_back(E->key());
+#endif
 	}
 }