Cockatrice/tools
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[Installer] Ask a hidden instance to close, then offer to end it once (#7683)
* [Installer] Request quit for hidden Cockatrice instances and record holders in abort telemetry

* [Installer] Fix compiler warnings in holder probe and installer quit handler

* [VisualDeckStorage] Order the includes the way clang-format wants them

* [Installer] Ask a hidden instance to close, then offer to end it once

The previous attempt had the client answer a registered window message, which
cannot work for the update it was reported on: the instance being replaced is a
client from before that message exists, so it never answers, and the user is
left with "Cockatrice is still running" exactly as reported. Every step that can
free the files has to be the installer's, so the client side is reverted.

The probe now posts WM_CLOSE to the instance's own window whether that window is
on screen or only in the notification area: the request does not need a visible
window, an instance in the tray is the one this update has no other way to
reach, and the confirmation Cockatrice answers with is a window Qt shows itself,
so it is painted - unlike one restored from outside. A visible window is brought
forward first, and Qt's bookkeeping windows stay excluded, because a close to the
notification-area one terminates the instance without its confirmation.

A question of the instance's own no longer suppresses the close. Withholding it
protected nobody: the installer asked the user to close a program it had never
asked, and a current client refuses the close while its confirmation is pending
anyway, leaving the question where it is. The launcher mode keeps the
visible-only rule, because a launcher without a window has already answered its
own close and the wait ends it after a grace instead of asking a user who is not
there.

The guard asked the same question until the user gave up: after the automatic
close failed it offered to end the programs, then re-ran the probe and showed
the same dialog word for word when the answer was No, which is how an abort was
reported three times over. It now asks once - Yes ends the Cockatrice, Oracle
and Servatrice programs the payload installs and says what that costs, No
cancels - and what survives an end is named in the abort instead of being put to
the user as the same question again. The uninstaller's guard and the recovery
path after a failed purge follow the same shape.

Kept: the abort telemetry that records the holders, the close result and the end
result as event data.

---------

Co-authored-by: sentry[bot] <39604003+sentry[bot]@users.noreply.github.com>
Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
2026-10-29 21:01:16 +01:00
..
installer-holder-probe [Installer] Ask a hidden instance to close, then offer to end it once (#7683) 2026-10-29 21:01:16 +01:00
generate_qt_mappings.py [Tooling] Add IWYU Qt6 mapping, generator, and runner script (#7454) 2026-10-08 11:17:01 +02:00