Only update image on save

hcatitles.py

@@ -118,7 +118,9 @@ def main():
         if event == sg.WIN_CLOSED:
             break
 
-        if event == "-TITLE-" or event == '-SUBTITLE-':
+        # if event == "-TITLE-" or event == '-SUBTITLE-':
+
+        if event == "-SAVE-":
             if values['-TITLE-'] != title or values['-SUBTITLE-'] != subtitle:
                 title = values['-TITLE-']
                 subtitle = values['-SUBTITLE-']
@@ -128,9 +130,6 @@ def main():
                 bio = BytesIO()
                 thumbnail.save(bio, format = 'PNG')
                 window['-IMAGE-'].update(data = bio.getvalue())
-
-
-        if event == "-SAVE-":
             save_path = save_filename()
             image.save(save_path, 'PNG')