The settings get now stored.

main.py

@@ -1,22 +1,29 @@
 #!/usr/bin/python3
 
 import sys
+from wobbl_tools.data_file import save_dataclass_json, load_dataclass_json
 from utils import Utils
-from file import FileActions, File
+from file import FileActions, File, BitEditor
 from ui import GUI
+from settings import Settings
 
 
 class BreadEditor:
     def __init__(self):
+        self.settings = load_dataclass_json(Settings, "settings.json")
+        setattr(self.settings, "save", lambda: save_dataclass_json(self.settings, "settings.json"))
         self.utils = Utils(self)
         self.file_actions = FileActions(self)
         self.gui = GUI(self)
 
+        self.BitEditor = BitEditor
+
         self.gui.connect_gui(self)
 
         self.open_files: dict[str, File] = {}
 
     def run(self):
+        self.gui.post_setup()
         self.utils.popup_init()
 
         self.gui.QTMainWindow.show()

settings.py

@@ -0,0 +1,8 @@
+#!/usr/bin/python3
+
+from dataclasses import dataclass
+
+
+@dataclass
+class Settings:
+    square_bits: bool = False

ui.py

@@ -2,6 +2,7 @@
 
 import sys
 from PyQt6.QtWidgets import QApplication, QMainWindow
+from PyQt6.QtGui import QFont
 from gui.main_window import Ui_MainWindow
 from connect_gui import connect_gui
 
@@ -22,3 +23,11 @@ class GUI:
     def setup_gui(self):
         self.main_window.setupUi(self.QTMainWindow)
         self.main_window.settingsDock.hide()
+
+    def post_setup(self):
+        self.main_window.bitsAreSquaresSetting.setChecked(self.app.settings.square_bits)
+
+        spacing = 200 if self.app.settings.square_bits else 100  # add spacing when setting is checked
+        print(self.app.settings.square_bits)
+
+        self.app.BitEditor.font.setLetterSpacing(QFont.SpacingType.PercentageSpacing, spacing)

utils.py

@@ -70,13 +70,22 @@ class Utils:
             match save_or_not:
                 case "save":
                     self.app.file_actions.save_all_files()
+                    self.close()
 
                 case "cancel":
                     event.ignore()
 
+                case "discard":
+                    self.close()
+
+    def close(self):
         print("Bye!")
 
+        self.app.settings.save()
+
     def update_font_in_all_bit_editors(self):
+        self.app.settings.square_bits = self.app.gui.main_window.bitsAreSquaresSetting.isChecked()
+
         for file_path in self.app.open_files:
             editor = self.app.open_files[file_path].bit_editor