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add greasemonkey support

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Asmir A
2026-10-16 00:11:22 +02:00
parent b6020a4354
commit 7bc669225a
8 changed files with 536 additions and 3 deletions
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CLAUDE.md
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@@ -51,6 +51,11 @@ The only tests are the Rust crate's (`nix develop -c sh -c 'cd adblock && cargo
- `main.cpp` creates `AdBlocker` *after* the profile, so it is destroyed after it.
- **History** (`History`, `src/history.cpp`) is SQLite through QtSql, run synchronously on the GUI thread with WAL. `visits` is an append-only log; `urls` (one row per URL, upserted) is what completion searches. Visits are recorded on `loadFinished(true)`, not `urlChanged`. URLs are stored as `toDisplayString()` with the fragment removed, so a `titleChanged` after an in-page jump still updates the right row.
- **`:open` completion:** `BrowserWindow::updateCompletion` runs on the command line's `textEdited` and on entering command mode. It parses `:open`/`:o` and shows `History::search` results in `CompletionView`, which never takes focus. `CommandLine::event` intercepts Tab/Backtab, because `QWidget::event` would otherwise turn them into focus changes. Picking an entry uses `setCommandText`, which doesn't emit `textEdited`, so it doesn't re-filter.
- **Greasemonkey** (`Greasemonkey`, `src/greasemonkey.cpp`, part of the `Session`) inserts each `greasemonkey/*.js` into `profile->scripts()` as a `QWebEngineScript` named `att-greasemonkey:<file>`, in `MainWorld`.
- URL matching is left to QtWebEngine, which parses the `==UserScript==` block during `setSourceCode` and checks `@include/@exclude/@match` in Chromium. So the block must stay in the source, and `setInjectionPoint` must come *after* `setSourceCode`.
- att's own `parseMetadata` is for run-at, noframes, `@require` (cached by SHA-1 of the URL) and `GM_info`.
- Scripts are wrapped in an IIFE (`kWrapperHead`/`kWrapperTail`) that defines the GM API as locals.
- At `document-start`, `document.documentElement` is still null, which the GM helpers must tolerate.
- The UI stylesheet is the `kStyleSheet` string in `src/main.cpp`. Widgets are styled by `objectName` and by dynamic properties: `StatusBar` toggles `error` and re-polishes the label to pick up the change.
**Windows, not tabs.** att deliberately has no tab bar, because the user's window manager does the tabbing. Map qutebrowser's tab features onto top-level windows: `d` closes the window, `O` / `:open -w` (or `-t`) opens a new one. Each `BrowserWindow` is one page, with `WA_DeleteOnClose`. All windows share a `Session` (profile, `AdBlocker`, `History`) that `main()` owns. After `app.exec()`, `main()` deletes any window still alive before the history and profile go away. `:quit` closes all windows; `:close` closes one.