The program crashes when the ASCII area is clicked before the file is opened

[juju168]

The program crashes when the ASCII area is clicked before the file is opened.
Program version: Release 0.9.0, 2025-03-09(https://github.com/Simsys/qhexedit2/releases/download/v0.9.0/windows-qt6-qhexedit.zip)
Operating System: WIN10 22H2

[eliasaraf]

This might be related to the overrun bug in paintEvent inside the if (_editAreaIsAscii).
The code calculated the current position by hexPos / 2, but the curson might be one index after the last char,
causing the overrun.