GitHub user mike-jumper opened a pull request:
https://github.com/apache/incubator-guacamole-server/pull/56
GUACAMOLE-148: Fix handling of terminal scroll.
Terminal emulators maintain the scrolling region and the bounds of the
terminal separately. Console codes which allow the scrolling region to be
redefined facilitate utilities like top, tmux, or screen which must maintain
control of what scrolls and what doesn't.
Guacamole handles scrolling improperly, automatically scrolling whenever
the cursor exceeds the bounds of the scroll region. This is only correct
behavior when the cursor is within the scrolling region. The terminal should
not be scrolled *at all* when the cursor is outside the scrolling region. If
outside the scrolling region, the cursor should simply be kept within terminal
bounds.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mike-jumper/incubator-guacamole-server
fix-terminal-scroll
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-guacamole-server/pull/56.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #56
commit 073fbe684d7706a97720ac347feace12854bd899
Author: Michael Jumper
Date: 2017-01-29T05:24:06Z
GUACAMOLE-148: Scroll automatically only when cursor is within scrolling
region.
commit 6c1eeb96b0f3feba38ad74b30f933b91f915045a
Author: Michael Jumper
Date: 2017-01-29T06:48:45Z
GUACAMOLE-148: Move cursor bounds checking to common location (where
necessary).
commit b796b2c9339c90f828e5ace129576e12f45ad30e
Author: Michael Jumper
Date: 2017-01-29T06:51:21Z
GUACAMOLE-148: Clarify that the cursor is expected to potentially exceed
the terminal bounds.
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