[screen-devel] [bug #51832] Cursor is left in the wrong position after leaving altscreen

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?51832>

                 Summary: Cursor is left in the wrong position after leaving
altscreen
                 Project: GNU Screen
            Submitted by: None
            Submitted on: Wed 23 Aug 2017 10:24:26 PM UTC
                Category: Program Logic
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.6.0
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

Hi,

Since upgrading to screen 4.6.0 I have been having issues with cursor
placement after leaving altscreen. I looked through the history and found
commit 8062db33b87ed86ec54222c83babbf1aa5866ec9, which refers bug #49883
<https://savannah.gnu.org/bugs/?49883>. Reverting that commit fixes the
problem.

Steps to reproduce:
1. Start screen with altscreen on
2. Press enter at your shell prompt until you reach the bottom of the screen
3. Run 'echo foo | less'
4. Press 'q' to exit

Expected behaviour:
The cursor should be at the bottom of the screen, just like it was before I
started less.

Actual behaviour:
The cursor is in the middle of my history, somewhere near the top of the
screen.

I'm running Arch Linux, up to date as of today. less 487, screen 4.6.1,
ncurses 6.0+20170527, glibc 2.25, Linux 3.16.46.

Happy to test any patches, thanks!




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