fix: 修复聊天系统编译错误

- 修复 WebSocketManager/SocketIOClient 函数缩进错误
- 重命名 is_connected() 避免与 Object 基类冲突
- 修复 tscn 文件多余前导空格
- 修复测试文件 GUT 断言函数调用
- 添加 GUT 测试框架

addons/gut/gui/option_maker.gd

@@ -0,0 +1,124 @@
+var PanelControls = load("res://addons/gut/gui/panel_controls.gd")
+
+# All titles so we can free them when we want.
+var _all_titles = []
+
+
+var base_container = null
+# All the various PanelControls indexed by thier keys.
+var controls = {}
+
+
+func _init(cont):
+	base_container = cont
+
+
+func add_title(text):
+	var row = PanelControls.BaseGutPanelControl.new(text, text)
+	base_container.add_child(row)
+	row.connect('draw', _on_title_cell_draw.bind(row))
+	_all_titles.append(row)
+	return row
+
+
+func add_ctrl(key, ctrl):
+	controls[key] = ctrl
+	base_container.add_child(ctrl)
+
+
+func add_number(key, value, disp_text, v_min, v_max, hint=''):
+	var ctrl = PanelControls.NumberControl.new(disp_text, value, v_min, v_max, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+
+func add_float(key, value, disp_text, step, v_min, v_max, hint=''):
+	var ctrl = PanelControls.FloatControl.new(disp_text, value, step, v_min, v_max, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+
+func add_select(key, value, values, disp_text, hint=''):
+	var ctrl = PanelControls.SelectControl.new(disp_text, value, values, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+
+func add_value(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.StringControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+func add_multiline_text(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.MultiLineStringControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+func add_boolean(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.BooleanControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+
+func add_directory(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.DirectoryControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	ctrl.dialog.title = disp_text
+	return ctrl
+
+
+func add_file(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.DirectoryControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	ctrl.dialog.file_mode = ctrl.dialog.FILE_MODE_OPEN_FILE
+	ctrl.dialog.title = disp_text
+	return ctrl
+
+
+func add_save_file_anywhere(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.DirectoryControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	ctrl.dialog.file_mode = ctrl.dialog.FILE_MODE_SAVE_FILE
+	ctrl.dialog.access = ctrl.dialog.ACCESS_FILESYSTEM
+	ctrl.dialog.title = disp_text
+	return ctrl
+
+
+func add_color(key, value, disp_text, hint=''):
+	var ctrl = PanelControls.ColorControl.new(disp_text, value, hint)
+	add_ctrl(key, ctrl)
+	return ctrl
+
+
+var _blurbs = 0
+func add_blurb(text):
+	var ctrl = RichTextLabel.new()
+	ctrl.fit_content = true
+	ctrl.bbcode_enabled = true
+	ctrl.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
+	ctrl.text = text
+	add_ctrl(str("blurb_", _blurbs), ctrl)
+	return ctrl
+
+
+# ------------------
+# Events
+# ------------------
+func _on_title_cell_draw(which):
+	which.draw_rect(Rect2(Vector2(0, 0), which.size), Color(0, 0, 0, .15))
+
+
+# ------------------
+# Public
+# ------------------
+
+func clear():
+	for key in controls:
+		controls[key].free()
+
+	controls.clear()
+
+	for entry in _all_titles:
+		entry.free()
+
+	_all_titles.clear()