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Krzysztof kuhy Rudnicki
4d1d2ea64d
Both previous escapes were unreachable, for the same underlying reason stated two different ways. A Tk key binding cannot fire, because once the workout app takes its seat grab X delivers every keystroke to that app alone. And "run touch from another terminal" cannot be done, because the app covers the screen with an override-redirect fullscreen window -- there is no other terminal to reach. An escape has to be handled INSIDE the grab, by the app itself, or it is not an escape. So --demo-escape arms a key handler in the runner: Ctrl+Shift+Q ungrabs the seat and closes the window. The grab, the override-redirect window and the handoff are all unchanged, so the demo exercises the real locking mechanism rather than a softened copy of it, and the hatch is the one deliberate way out. The handler ungrabs before closing. Destroying a window that still holds the seat can leave the pointer and keyboard grabbed with nothing left to release them, which needs exactly the reboot this hatch exists to prevent. Not Escape, which the Dart side already binds for in-app navigation; shadowing it would change the behaviour under test. Verified in both directions against the real debug bundle, each under its own Xvfb display: with the flag, the app exits on Ctrl+Shift+Q while holding the grab and the lock takes the screen back; without it, the identical keystroke does nothing and the app keeps the screen. A test asserts the production path never passes the flag. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DfJC1Wu1SEgJ6X49k5Jqtg |
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workout_app
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