Filters update late after setting Display

[Chadnaut]

Using ::fe.set_display sometimes fails to update ::fe.filters immediately. Calling ::fe.set_display a second time fixes ::fe.filters. Occurs on Windows 10, cannot reproduce in Ubuntu 22.04.4.

The loop is intended to scrape display filters to generate global stats.

layout.nut

local f_names = function() { local n = ""; foreach (f in ::fe.filters) n += f.name + ", "; return n; }
local nv_key = "STATS_RUNNING";
if (!(nv_key in ::fe.nv)) ::fe.nv[nv_key] <- false;
if (!::fe.nv[nv_key]) {
    local original = ::fe.list.display_index;
    local f1, f2, data = [];
    foreach (i, display in ::fe.displays) {
        ::fe.set_display(i, false, false);
        f1 = f_names();
        data.push(format("Before %d: '%s' (%d filters)    %s", ::fe.list.display_index, display.name, ::fe.filters.len(), f1));

        ::fe.set_display(i, false, false); // hack
        f2 = f_names();
        data.push(format("After  %d: '%s' (%d filters)%s %s", ::fe.list.display_index, display.name, ::fe.filters.len(), f1 != f2 ? "<--" : "   ", f2));
    }
    ::fe.set_display(original, false, false);
    ::fe.nv[nv_key] <- true;
    foreach (item in data) ::fe.log(item);
} else {
    delete ::fe.nv[nv_key];
}

last_run.log

Before 0: 'Mame' (6 filters)    All, Favourites, 2UP, MameFilter, Top, 4UP, 
After  0: 'Mame' (6 filters)    All, Favourites, 2UP, MameFilter, Top, 4UP, 
Before 1: 'C64' (6 filters)    All, Favourites, 2UP, MameFilter, Top, 4UP, 
After  1: 'C64' (5 filters)<-- All, Favourites, Extra, More, C64Filter, 
Before 2: 'MD' (4 filters)    All, Favourites, Extra, MDFilter, 
After  2: 'MD' (4 filters)    All, Favourites, Extra, MDFilter, 
Before 3: 'N64' (4 filters)    All, Favourites, Extra, MDFilter, 
After  3: 'N64' (4 filters)<-- All, Favourites, More, N64Filter, 
Before 4: 'SMS' (4 filters)    All, Favourites, More, N64Filter, 
After  4: 'SMS' (5 filters)<-- All, Favourites, More, Extra, SMSFilter, 
Before 5: 'SNES' (4 filters)    All, Favourites, Extra, SNESFilter, 
After  5: 'SNES' (4 filters)    All, Favourites, Extra, SNESFilter, 

The arrows <-- indicate where ::fe.filters has changed on the second call.

Attract-Mode Plus v3.0.8