Hi,

I've noticed a "lagging" behaviour while running certain ncurses
applications under tmux, where the first key-press after launching the
application has no effect. I'm not seeing this behaviour while running
these same applications in the parent terminal without tmux.

For example, if the first thing I do after launching ncmpcpp [1] is to
press the down arrow key once, nothing happens. When I press it again,
the selected line jumps from the first line down to the third line as
if that first key-press was registered but the display was "frozen"
until the second keypress. If the first key pressed is "q", ncmpcpp
does not quit right away, but only as a second key is pressed. This
behaviour is not present when running ncmpcpp in the parent terminal
itself without tmux. This is on Linux (Debian Sid), observed in an
xterm and in the Linux Framebuffer Console.

Has anyone else seen such behaviour?
Any thoughts as to what might be the cause?

[1] (an ncurses client for MPD) http://ncmpcpp.rybczak.net/

John

-- 
John Magolske
http://B79.net/contact

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