Unfold directories when showing in file system

editor/filesystem_dock.cpp

@@ -52,7 +52,7 @@ Ref<Texture> FileSystemDock::_get_tree_item_icon(EditorFileSystemDirectory *p_di
 	return file_icon;
 }
 
-bool FileSystemDock::_create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths, bool p_select_in_favorites) {
+bool FileSystemDock::_create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths, bool p_select_in_favorites, bool p_unfold_path) {
 	bool parent_should_expand = false;
 
 	// Create a tree item for the subdirectory.
@@ -71,14 +71,18 @@ bool FileSystemDock::_create_tree(TreeItem *p_parent, EditorFileSystemDirectory
 		subdirectory_item->select(0);
 	}
 
-	subdirectory_item->set_collapsed(uncollapsed_paths.find(lpath) < 0);
+	if (p_unfold_path && path.begins_with(lpath) && path != lpath) {
+		subdirectory_item->set_collapsed(false);
+	} else {
+		subdirectory_item->set_collapsed(uncollapsed_paths.find(lpath) < 0);
+	}
 	if (searched_string.length() > 0 && dname.to_lower().find(searched_string) >= 0) {
 		parent_should_expand = true;
 	}
 
 	// Create items for all subdirectories.
 	for (int i = 0; i < p_dir->get_subdir_count(); i++)
-		parent_should_expand = (_create_tree(subdirectory_item, p_dir->get_subdir(i), uncollapsed_paths, p_select_in_favorites) || parent_should_expand);
+		parent_should_expand = (_create_tree(subdirectory_item, p_dir->get_subdir(i), uncollapsed_paths, p_select_in_favorites, p_unfold_path) || parent_should_expand);
 
 	// Create all items for the files in the subdirectory.
 	if (display_mode == DISPLAY_MODE_TREE_ONLY) {
@@ -164,7 +168,7 @@ Vector<String> FileSystemDock::_compute_uncollapsed_paths() {
 	return uncollapsed_paths;
 }
 
-void FileSystemDock::_update_tree(const Vector<String> &p_uncollapsed_paths, bool p_uncollapse_root, bool p_select_in_favorites) {
+void FileSystemDock::_update_tree(const Vector<String> &p_uncollapsed_paths, bool p_uncollapse_root, bool p_select_in_favorites, bool p_unfold_path) {
 	// Recreate the tree.
 	tree->clear();
 	tree_update_id++;
@@ -237,7 +241,7 @@ void FileSystemDock::_update_tree(const Vector<String> &p_uncollapsed_paths, boo
 	}
 
 	// Create the remaining of the tree.
-	_create_tree(root, EditorFileSystem::get_singleton()->get_filesystem(), uncollapsed_paths, p_select_in_favorites);
+	_create_tree(root, EditorFileSystem::get_singleton()->get_filesystem(), uncollapsed_paths, p_select_in_favorites, p_unfold_path);
 	tree->ensure_cursor_is_visible();
 	updating_tree = false;
 }
@@ -459,7 +463,7 @@ void FileSystemDock::_navigate_to_path(const String &p_path, bool p_select_in_fa
 	_set_current_path_text(path);
 	_push_to_history();
 
-	_update_tree(_compute_uncollapsed_paths(), false, p_select_in_favorites);
+	_update_tree(_compute_uncollapsed_paths(), false, p_select_in_favorites, true);
 	if (display_mode == DISPLAY_MODE_SPLIT) {
 		_update_file_list(false);
 		files->get_v_scroll()->set_value(0);
@@ -1780,7 +1784,7 @@ void FileSystemDock::_resource_created() const {
 }
 
 void FileSystemDock::_search_changed(const String &p_text, const Control *p_from) {
-	if (searched_string.length() == 0 && p_text.length() > 0) {
+	if (searched_string.length() == 0) {
 		// Register the uncollapsed paths before they change.
 		uncollapsed_paths_before_search = _compute_uncollapsed_paths();
 	}
@@ -1792,13 +1796,14 @@ void FileSystemDock::_search_changed(const String &p_text, const Control *p_from
 	else // File_list_search_box.
 		tree_search_box->set_text(searched_string);
 
+	bool unfold_path = (p_text == String() && path != String());
 	switch (display_mode) {
 		case DISPLAY_MODE_TREE_ONLY: {
-			_update_tree(searched_string.length() == 0 ? uncollapsed_paths_before_search : Vector<String>());
+			_update_tree(searched_string.length() == 0 ? uncollapsed_paths_before_search : Vector<String>(), false, false, unfold_path);
 		} break;
 		case DISPLAY_MODE_SPLIT: {
 			_update_file_list(false);
-			_update_tree(searched_string.length() == 0 ? uncollapsed_paths_before_search : Vector<String>());
+			_update_tree(searched_string.length() == 0 ? uncollapsed_paths_before_search : Vector<String>(), false, false, unfold_path);
 		} break;
 	}
 }

editor/filesystem_dock.h

@@ -177,9 +177,9 @@ private:
 	bool import_dock_needs_update;
 
 	Ref<Texture> _get_tree_item_icon(EditorFileSystemDirectory *p_dir, int p_idx);
-	bool _create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths, bool p_select_in_favorites);
+	bool _create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths, bool p_select_in_favorites, bool p_unfold_path = false);
 	Vector<String> _compute_uncollapsed_paths();
-	void _update_tree(const Vector<String> &p_uncollapsed_paths = Vector<String>(), bool p_uncollapse_root = false, bool p_select_in_favorites = false);
+	void _update_tree(const Vector<String> &p_uncollapsed_paths = Vector<String>(), bool p_uncollapse_root = false, bool p_select_in_favorites = false, bool p_unfold_path = false);
 	void _navigate_to_path(const String &p_path, bool p_select_in_favorites = false);
 
 	void _file_list_gui_input(Ref<InputEvent> p_event);