From 62dc7ba82f56c3bc1bde46e01950f449cf960910 Mon Sep 17 00:00:00 2001
From: volzhs <volzhs@gmail.com>
Date: Thu, 1 Feb 2018 10:53:31 +0900
Subject: [PATCH] Expand project root directory on editor start

close #16232
Option for expanding all directories on start up is a bit tricky and buggy.

(cherry picked from commit 127d1241bdb8c66f574f219c466eb97da4dcbb72)
---
 editor/filesystem_dock.cpp | 8 ++++++--
 editor/filesystem_dock.h   | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index 770eda5770c..8ead8d3982a 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -77,7 +77,7 @@ bool FileSystemDock::_create_tree(TreeItem *p_parent, EditorFileSystemDirectory
 	return true;
 }
 
-void FileSystemDock::_update_tree(bool keep_collapse_state) {
+void FileSystemDock::_update_tree(bool keep_collapse_state, bool p_uncollapse_root) {
 
 	Vector<String> uncollapsed_paths;
 	if (keep_collapse_state) {
@@ -129,6 +129,10 @@ void FileSystemDock::_update_tree(bool keep_collapse_state) {
 		ti->set_metadata(0, fave);
 	}
 
+	if (p_uncollapse_root) {
+		uncollapsed_paths.push_back("res://");
+	}
+
 	_create_tree(root, EditorFileSystem::get_singleton()->get_filesystem(), uncollapsed_paths);
 	tree->ensure_cursor_is_visible();
 	updating_tree = false;
@@ -204,7 +208,7 @@ void FileSystemDock::_notification(int p_what) {
 			if (EditorFileSystem::get_singleton()->is_scanning()) {
 				_set_scanning_mode();
 			} else {
-				_update_tree(false);
+				_update_tree(false, true);
 			}
 
 		} break;
diff --git a/editor/filesystem_dock.h b/editor/filesystem_dock.h
index af805574654..2e86b83efcb 100644
--- a/editor/filesystem_dock.h
+++ b/editor/filesystem_dock.h
@@ -157,7 +157,7 @@ private:
 	bool import_dock_needs_update;
 
 	bool _create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths);
-	void _update_tree(bool keep_collapse_state);
+	void _update_tree(bool keep_collapse_state, bool p_uncollapse_root = false);
 
 	void _update_files(bool p_keep_selection);
 	void _update_file_display_toggle_button();