rebase codebase, delete trunk, move threads to backend

src/ui/dialogs/medienadder.py

@@ -2,6 +2,8 @@ from PyQt6 import QtCore, QtGui, QtWidgets
 
 from .dialog_sources.Ui_medianadder import Ui_Dialog
 from src import Icon
+
+
 class MedienAdder(QtWidgets.QDialog, Ui_Dialog):
     def __init__(self, parent=None):
         super().__init__(parent)
@@ -17,7 +19,7 @@ class MedienAdder(QtWidgets.QDialog, Ui_Dialog):
         self.lineEdit.returnPressed.connect(self.add_signature)
         self.btn_cancel.clicked.connect(self.close)
         self.btn_save.clicked.connect(self.send_data)
-        #disable button box button okay
+        # disable button box button okay
         self.btn_save.setEnabled(False)
         self.check_use_exact_signature.clicked.connect(self.check_use_exact)
         self.check_use_any_book.clicked.connect(self.check_use_any)
@@ -33,12 +35,14 @@ class MedienAdder(QtWidgets.QDialog, Ui_Dialog):
             self.btn_save.setEnabled(True)
         else:
             self.btn_save.setEnabled(False)
+
     def add_signature(self):
         signature = self.lineEdit.text()
         self.listWidget.addItem(signature.strip())
         self.lineEdit.clear()
         self.list_amount.setText(str(self.listWidget.count()))
         self.enable_button()
+
     def get_list_data(self) -> list:
         signatures = self.listWidget.findItems("*", QtCore.Qt.MatchFlag.MatchWildcard)
         return [signature.text() for signature in signatures]
@@ -74,4 +78,4 @@ def launch_gui():
     dialog = MedienAdder()
     dialog.show()
     app.exec()
-    # print(dialog.mode, dialog.data, dialog.result())
+    # print(dialog.mode, dialog.data, dialog.result())