Public bug reported:
Affects: oneiric ocelot, precise pangolin
vte which xfce4-terminal is based on has a feature to send an
application which is using the alternate screen a few cursor up and down
keystrokes when the mouse wheel is activated. Most prominent application
is the pager ("more" or "less") and in particular when used by "man" for
manpage viewing.
Now not all ncurses applications are happy with that feature, e.g. when running
"screen" and a shell inside screen, activating the mouse wheel would scroll the
shell history instead. That resulted in a patch to vte (still present in
vte3_0.31.0, patches/93_add_alt_screen_scroll_toggle.patch) that made the
feature toggle-able. The patch was never accepted upstream.
It also changes the default behaviour by (probably accidentally) setting the
feature to off. The result of the patch
simply is an new function that can be called to toggle the feature.
Now every package in ubuntu that uses vte needs a patch to eventually
call that new function, otherwise its behaviour will differ from
upstream.
gnome terminal does so, the patch is still in precise (patch
20_add_alt_screen_toggle_ui.patch)
xfce4-terminal should as well.
The provided patch will add a "hidden" Property, that can only be set manually
be editing ~/.config//Terminal/terminalrc and adding the line
MiscScrollAlternateScreen=TRUE
The old version of my patch made xfce4-terminal segfault when closing
the Preferences screen. This version fixes that. The new version also
uses a different name because the new version of xfce4-terminal insists
on using the "Misc" Prefix for hidden preferences (i.e. not changeable
via the GUI) The patch is tested with no ill effects on my desktop and I
do use terminals a lot.
Please include this patch into precise, so the LTS release does not
suffer from this bug.
** Affects: xfce4-terminal (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/947892
Title:
Scrolling ncurses app in xfce4-terminal with mouse wheel not working
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