Web backend: run ManaTools AUI apps in a web browser - #7
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added 30 commits
March 28, 2026 23:44
…pointer-events sibling rule
Links inside YRichText now behave like Qt/GTK: browser navigation is blocked, the URL is stored in widget._last_url, and a YMenuEvent(id=url) is posted to the dialog queue when notify() is True.
…WS; drop page-size selector
added 30 commits
April 6, 2026 20:24
…; fix enabled handling
… was actually emitted
… endpoint; add autoScale and fallBackName
…andle labels with double quotes
…ns, Referrer-Policy
…_widget runs correctly inside YDumbTab
…nd_widget call; guard _items in _rebuildTree
…ckend_widget calls
…o build Resolved yui.py conflict: keep MUI_BACKEND/XDG detection, take main's DISPLAY/WAYLAND and PKEXEC_UID display-recovery steps, web backend stays explicit-only. treeqt.py merged both the init-before-super ordering and tooltip support.
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This branch adds a fourth UI backend to the AUI layer: applications written
against manatools can now be served in a web browser with no code
changes - the same source runs on Qt, GTK, ncurses, or web.
What's included
webbackend (manatools/aui/backends/web/): renders the widgettree as HTML and serves it over HTTP, with real-time updates and events over
WebSocket. Pure Python standard library without extra dependencies;
labels, buttons, input fields, check/radio boxes, combo/selection boxes,
frames, progress bars, sliders, tables, trees, rich text, menu bars, images,
int/date/time fields, multi-line edit, log view, dumb tabs, paned splitter,
spacing, alignment, replace points;
MUI_BACKEND=web|qt|gtk|ncursesenvironmentvariable override; the web backend is opt-in only and it's never
auto-selected;
every response, localhost-only binding, origin checks on WebSocket upgrades
and the
/eventPOST fallback, frame/body size caps, path-traversal guardson static file and icon serving;
themes, deferred skeleton rendering for heavy widgets (table/tree),
coalesced server thus browser DOM updates;
before
super().__init__()so containers that trigger backend-widgetcreation mid-construction (e.g.
YDumbTab) no longer crash; popup dialoglifecycle fixes; guarded
_itemsaccess in table/tree rebuilds.How to test
The application prints its URL (http://127.0.0.1:8080/) - open it in a
modern browser. The same test runs unchanged under MUI_BACKEND=qt,
gtk, or ncurses.
Notes
not supported in the browser but they seems to degrade gracefully;
paned multi-layout, backend detection improvements), so it's ready to
fast-forward main, local testing show no conflicts.