• src/conio/ciolib.h sdlfuncs.c win32gdi.c

    From Rob Swindell (on Windows 11)@VERT to Git commit to main/sbbs/master on Wed Dec 27 20:24:04 2023
    Modified Files:
    src/conio/ciolib.h sdlfuncs.c win32gdi.c
    Log Message:
    Add support to SDL and GDI modes for CONIO_OPT_DISABLE_CLOSE

    ... to disable the OS or Window Manager's "close" app icon/control/option
    which attempts an ungraceful termination of UIFC apps (e.g. SCFG) and does weird and wonderful things (e.g. infinite loops which are invisible on Win32-GDI, so you end up with a ghost/zombie process).

    Disabling the OS/WM close option is an alternative solution to checking uifc.exit_flags & UIFC_XF_QUIT everywhere you need to to avoid a
    looping/zombie process.

    Next up X11, which appears I need to remove _NET_WM_ACTION_CLOSE
    from the _NET_WM_ALLOWED_ACTIONS Atom... ?

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