This add-in should do what you want (quick shot, might need refinement).
function OnInit(initData) {
initData.name = 'TabAddParentname';
initData.version = '2021-10-11';
initData.url = 'https://resource.dopus.com/t/consulting/39552';
initData.desc = 'Add parentname to tabname';
initData.default_enable = true;
initData.min_version = '12.0';
}
function OnAfterFolderChange(afterFolderChangeData) {
if (!afterFolderChangeData.result) return;
var tab = afterFolderChangeData.tab;
var srcPathFirstLetter = String(tab.path).substring(0, 1);
if (srcPathFirstLetter == ':' || srcPathFirstLetter == '/') {
var newTabName = DOpus.FSUtil().DisplayName(tab.path);
} else {
var vecPath = tab.path.Split();
var k = vecPath.count;
var newTabName = (k > 2 ? vecPath(k - 2) + '\\' : '') + vecPath(k - 1);
}
if (newTabName == tab.displayed_label) return;
var cmd = DOpus.Create().Command();
cmd.SetSourceTab(tab);
cmd.RunCommand('Go TABNAME="' + newTabName + '"');
}
EventTabAddParentname.js.txt (1015 Bytes)
How to use buttons and scripts from this forum
(edit: 2nd version handles special folders a bit better)