Add config file to save last used folder

scripts/managers/Common.gd

@@ -1,8 +1,10 @@
 extends Node
+const CONFIG_FILENAME := 'user://config.ini'
 
 var base_resolution: Vector2 = Vector2(ProjectSettings.get_setting('display/window/size/width'), ProjectSettings.get_setting('display/window/size/height'))  # Vector2(640, 360)
 var shrink_timer := Timer.new()
 var last_resolution_pre_shrink := Vector2.ZERO
+var config := ConfigFile.new()
 
 var SNES_PSX_addresses := load_tsv('res://data/SNES_PSX_addresses.tsv')
 
@@ -219,7 +221,22 @@ static func game_time_frames_to_hhmm(game_time_frames: int) -> String:
 	var game_hours = game_minutes / 60
 	return '%d:%02d' % [game_hours, game_minutes % 60]
 
+func load_config():
+	match self.config.load(CONFIG_FILENAME):
+		OK:
+			print('loaded config.ini')
+		var err:
+			print('failed to load config.ini: %d'%err)
+
+func save_config():
+	match self.config.save(CONFIG_FILENAME):
+		OK:
+			print('saved config.ini')
+		var err:
+			print('failed to save config.ini: %d'%err)
+
 func _ready():
+	load_config()
 	match shrink_timer.connect('timeout', self, 'shrink_to_integer'):
 		OK:
 			pass

widgets/FileSelect.gd

@@ -213,9 +213,15 @@ func _ready() -> void:
 	else:
 		home_path = OS.get_environment('HOME')
 	# dir.open(OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS))
-	var error = dir.open(home_path)
-	if error == OK:
-		update_view()
+	match dir.open(Common.config.get_value('filesystem', 'last_used_directory', home_path)):
+		OK:
+			update_view()
+		_:
+			match dir.open(home_path):
+				OK:
+					update_view()
+				_:
+					print_debug('Failed to open last dir or home dir')
 	btn_load.connect('pressed', self, 'activate_current_entry')
 	btn_debug.connect('pressed', self, '_on_debug_pressed')
 	RomLoader.connect('rom_loaded', self, '_on_rom_loaded')
@@ -223,6 +229,12 @@ func _ready() -> void:
 	print(ProjectSettings.globalize_path('user://'))
 	print(ProjectSettings.globalize_path(dir.get_current_dir()))
 
+func _update_config() -> void:
+	var d = self.dir.get_current_dir()
+	if d != Common.config.get_value('filesystem', 'last_used_directory'):
+		Common.config.set_value('filesystem', 'last_used_directory', self.dir.get_current_dir())
+		Common.save_config()
+
 func _set_mode(new_mode) -> void:
 	match new_mode:
 		SELECT_ROM:
@@ -231,9 +243,11 @@ func _set_mode(new_mode) -> void:
 		SELECT_SAVE:
 			$'%lbl_prompt'.text = "Select a save file from your device's storage"
 			btn_debug.disabled = false
+			_update_config()
 		COMPLETE:
 			$'%lbl_prompt'.text = "Save file loaded"
 			btn_debug.disabled = false
+			_update_config()
 	current_mode = new_mode
 	update_view()
 	init_labels()