Improve Directory content navigation

core/core_bind.cpp

@@ -1470,12 +1470,8 @@ bool Directory::is_open() const {
 	return d && dir_open;
 }
 
-Error Directory::list_dir_begin(bool p_show_navigational, bool p_show_hidden) {
+Error Directory::list_dir_begin() {
 	ERR_FAIL_COND_V_MSG(!is_open(), ERR_UNCONFIGURED, "Directory must be opened before use.");
-
-	_list_skip_navigational = !p_show_navigational;
-	_list_skip_hidden = !p_show_hidden;
-
 	return d->list_dir_begin();
 }
 
@@ -1483,7 +1479,7 @@ String Directory::get_next() {
 	ERR_FAIL_COND_V_MSG(!is_open(), "", "Directory must be opened before use.");
 
 	String next = d->get_next();
-	while (!next.is_empty() && ((_list_skip_navigational && (next == "." || next == "..")) || (_list_skip_hidden && d->current_is_hidden()))) {
+	while (!next.is_empty() && ((!include_navigational && (next == "." || next == "..")) || (!include_hidden && d->current_is_hidden()))) {
 		next = d->get_next();
 	}
 	return next;
@@ -1499,6 +1495,47 @@ void Directory::list_dir_end() {
 	d->list_dir_end();
 }
 
+PackedStringArray Directory::get_files() {
+	return _get_contents(false);
+}
+
+PackedStringArray Directory::get_directories() {
+	return _get_contents(true);
+}
+
+PackedStringArray Directory::_get_contents(bool p_directories) {
+	PackedStringArray ret;
+	ERR_FAIL_COND_V_MSG(!is_open(), ret, "Directory must be opened before use.");
+
+	list_dir_begin();
+	String s = get_next();
+	while (!s.is_empty()) {
+		if (current_is_dir() == p_directories) {
+			ret.append(s);
+		}
+		s = get_next();
+	}
+
+	ret.sort();
+	return ret;
+}
+
+void Directory::set_include_navigational(bool p_enable) {
+	include_navigational = p_enable;
+}
+
+bool Directory::get_include_navigational() const {
+	return include_navigational;
+}
+
+void Directory::set_include_hidden(bool p_enable) {
+	include_hidden = p_enable;
+}
+
+bool Directory::get_include_hidden() const {
+	return include_hidden;
+}
+
 int Directory::get_drive_count() {
 	ERR_FAIL_COND_V_MSG(!is_open(), 0, "Directory must be opened before use.");
 	return d->get_drive_count();
@@ -1614,10 +1651,12 @@ Error Directory::remove(String p_name) {
 
 void Directory::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("open", "path"), &Directory::open);
-	ClassDB::bind_method(D_METHOD("list_dir_begin", "show_navigational", "show_hidden"), &Directory::list_dir_begin, DEFVAL(false), DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("list_dir_begin"), &Directory::list_dir_begin, DEFVAL(false), DEFVAL(false));
 	ClassDB::bind_method(D_METHOD("get_next"), &Directory::get_next);
 	ClassDB::bind_method(D_METHOD("current_is_dir"), &Directory::current_is_dir);
 	ClassDB::bind_method(D_METHOD("list_dir_end"), &Directory::list_dir_end);
+	ClassDB::bind_method(D_METHOD("get_files"), &Directory::get_files);
+	ClassDB::bind_method(D_METHOD("get_directories"), &Directory::get_directories);
 	ClassDB::bind_method(D_METHOD("get_drive_count"), &Directory::get_drive_count);
 	ClassDB::bind_method(D_METHOD("get_drive", "idx"), &Directory::get_drive);
 	ClassDB::bind_method(D_METHOD("get_current_drive"), &Directory::get_current_drive);
@@ -1632,6 +1671,14 @@ void Directory::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("copy", "from", "to"), &Directory::copy);
 	ClassDB::bind_method(D_METHOD("rename", "from", "to"), &Directory::rename);
 	ClassDB::bind_method(D_METHOD("remove", "path"), &Directory::remove);
+
+	ClassDB::bind_method(D_METHOD("set_include_navigational"), &Directory::set_include_navigational);
+	ClassDB::bind_method(D_METHOD("get_include_navigational"), &Directory::get_include_navigational);
+	ClassDB::bind_method(D_METHOD("set_include_hidden"), &Directory::set_include_hidden);
+	ClassDB::bind_method(D_METHOD("get_include_hidden"), &Directory::get_include_hidden);
+
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "include_navigational"), "set_include_navigational", "get_include_navigational");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "include_hidden"), "set_include_hidden", "get_include_hidden");
 }
 
 Directory::Directory() {

core/core_bind.h

@@ -444,7 +444,10 @@ public:
 class Directory : public RefCounted {
 	GDCLASS(Directory, RefCounted);
 	DirAccess *d;
+
 	bool dir_open = false;
+	bool include_navigational = false;
+	bool include_hidden = false;
 
 protected:
 	static void _bind_methods();
@@ -454,12 +457,20 @@ public:
 
 	bool is_open() const;
 
-	Error list_dir_begin(bool p_show_navigational = false, bool p_show_hidden = false); // This starts dir listing.
+	Error list_dir_begin();
 	String get_next();
 	bool current_is_dir() const;
-
 	void list_dir_end();
 
+	PackedStringArray get_files();
+	PackedStringArray get_directories();
+	PackedStringArray _get_contents(bool p_directories);
+
+	void set_include_navigational(bool p_enable);
+	bool get_include_navigational() const;
+	void set_include_hidden(bool p_enable);
+	bool get_include_hidden() const;
+
 	int get_drive_count();
 	String get_drive(int p_drive);
 	int get_current_drive();
@@ -481,10 +492,6 @@ public:
 
 	Directory();
 	virtual ~Directory();
-
-private:
-	bool _list_skip_navigational = false;
-	bool _list_skip_hidden = false;
 };
 
 class Marshalls : public Object {

doc/classes/Directory.xml

@@ -108,6 +108,13 @@
 				Returns the currently opened directory's drive index. See [method get_drive] to convert returned index to the name of the drive.
 			</description>
 		</method>
+		<method name="get_directories">
+			<return type="PackedStringArray" />
+			<description>
+				Returns a [PackedStringArray] containing filenames of the directory contents, excluding files. The array is sorted alphabetically.
+				Affected by [member include_hidden] and [member include_navigational].
+			</description>
+		</method>
 		<method name="get_drive">
 			<return type="String" />
 			<argument index="0" name="idx" type="int" />
@@ -121,6 +128,13 @@
 				On Windows, returns the number of drives (partitions) mounted on the current filesystem. On other platforms, the method returns 0.
 			</description>
 		</method>
+		<method name="get_files">
+			<return type="PackedStringArray" />
+			<description>
+				Returns a [PackedStringArray] containing filenames of the directory contents, excluding directories. The array is sorted alphabetically.
+				Affected by [member include_hidden].
+			</description>
+		</method>
 		<method name="get_next">
 			<return type="String" />
 			<description>
@@ -136,12 +150,10 @@
 		</method>
 		<method name="list_dir_begin">
 			<return type="int" enum="Error" />
-			<argument index="0" name="show_navigational" type="bool" default="false" />
-			<argument index="1" name="show_hidden" type="bool" default="false" />
 			<description>
 				Initializes the stream used to list all files and directories using the [method get_next] function, closing the currently opened stream if needed. Once the stream has been processed, it should typically be closed with [method list_dir_end].
-				If [code]show_navigational[/code] is [code]true[/code], [code].[/code] and [code]..[/code] are included too.
+				Affected by [member include_hidden] and [member include_navigational].
-				If [code]show_hidden[/code] is [code]true[/code], hidden files are included too.
+				[b]Note:[/b] The order of files and directories returned by this method is not deterministic, and can vary between operating systems. If you want a list of all files or folders sorted alphabetically, use [method get_files] or [method get_directories].
 			</description>
 		</method>
 		<method name="list_dir_end">
@@ -192,4 +204,14 @@
 			</description>
 		</method>
 	</methods>
+	<members>
+		<member name="include_hidden" type="bool" setter="set_include_hidden" getter="get_include_hidden" default="false">
+			If [code]true[/code], hidden files are included when the navigating directory.
+			Affects [method list_dir_begin], [method get_directories] and [method get_files].
+		</member>
+		<member name="include_navigational" type="bool" setter="set_include_navigational" getter="get_include_navigational" default="false">
+			If [code]true[/code], [code].[/code] and [code]..[/code] are included when navigating the directory.
+			Affects [method list_dir_begin] and [method get_directories].
+		</member>
+	</members>
 </class>