some filesystem changes

gui/modules/core/popup.py

@@ -0,0 +1,20 @@
+import ctypes
+
+
+def qtpopup(title, text):
+    from PyQt5 import QtWidgets
+    QtWidgets.QMessageBox.information(None, title, text)
+
+
+def popup(title, text, style=0):
+    """
+    Styles:
+    0 : OK
+    1 : OK | Cancel
+    2 : Abort | Retry | Ignore
+    3 : Yes | No | Cancel
+    4 : Yes | No
+    5 : Retry | Cancel
+    6 : Cancel | Try Again | Continue
+    """
+    return ctypes.windll.user32.MessageBoxW(0, text, title, style)