[Bug 193339] New: [syscons] [patch] mouse reporting works properly only on ttyv0

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193339

            Bug ID: 193339
           Summary: [syscons] [patch] mouse reporting works properly only
                    on ttyv0
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: igeekless at gmail.com

When mouse reporting feature is turned on (control sequence ^[[?1000h), syscons
sends valid mouse coordinates only for ttyv0. Applications running on other
ttys always (erroneously) get mouse coordinates from the first tty, not from
tty they actually run.

Steps to reproduce:
1. On ttyv0, run any application that uses mouse reporting feature. Make some
clicks. The feature works properly.
2. Switch to another ttyv, run the application. The application receives mouse
click events, but mouse position reported by syscons to the application does
not match with the actual mouse position on the screen.

Expected result:
Reported mouse position should match with visible mouse position.

The bug affects CURRENT as well as 10.0-RELEASE.

The patch seems to be trivial.

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