Re: Mouse stopped working in MC

[Thomas Dickey <dickey his com>]

----- Original Message -----
| From: "Frank McCormick" <beacon videotron ca>
| To: "Thomas Dickey" <dickey his com>
| Cc: mc gnome org
| Sent: Sunday, February 2, 2020 4:09:26 PM
| Subject: Re: Mouse stopped working in MC

| On 2/2/20 1:24 PM, Thomas Dickey wrote:
|> On Sun, Feb 02, 2020 at 09:08:33AM -0500, Frank McCormick wrote:
|>>
|>>
|>> On 2/2/20 6:04 AM, Yury V. Zaytsev wrote:
|>>> I would be careful about assigning blame with xterm maintainer also
|>>> reading this list ;-) Maybe we are doing something that gets xterm
|>>> confused... do you have a way of consistenly reproducing the problem?
|>>>
|>>> On Sun, 2 Feb 2020, Adam Pribyl wrote:
|>>>
|>>>> Is it reproducible? This happens from time to time, but is not mc
|>>>> fault but xterm. It shoul help to reset the term with "reset"
|>>>> command.
|>>>>
|>>>> On Sat, 1 Feb 2020, Frank McCormick wrote:
|>>>>
|>>>>>   I am running Debian Sid fully updated. My mouse has stopped
|>>>>>   working in MC. Instead I get key codes on the MC command line.
|>>>>>   I normally run MC in an xterm.
|>>>>>
|>>>>>   How do I go about resolving this.
|>>>
|>>
|>> On my machine, if I go into /usr/bin and run xterm directly, THEN run mc (or
|>> mc -x) the mouse works properly. However
|>> if I pass any parameters to xterm, such as -g 150x40 -e mc
|>> then the mouse stops working and I get keycodes on the
|>> mc command line.
|>>
|>> I should note that I get into /usr/bin by running this small
|>> script.
|>>
|>> cd ~
|>> xterm -g 153x40+150+20 -fn 10x20
|> 
|> That could be this bug:
|> 
|> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=495435
|> 
|> e.g., if xterm is confused about the screensize due to this
|> race (which is hard to fix due to the interaction between
|> X11, Xt libraries and the window manager -- there's _always_
|> a delay).
|> 
|> As a workaround, just typing "resize" should fix that.
|> 
|> If you happen to see the problem again, it's worth a moment to verify.
|> 
|> fwiw, I do this:
|> 
|>      resize -s 40 80
|> 
|> to get a 40x80 screen (works _all_ the time :-)
|> 
| 
|   After further experimentation I discovered the problem only arises
| when I use the -e parameter to xterm to run MC directly.
| When I do that i.e. xterm -e mc , the mouse doesn't work. Right now I am
| working around that by using urxvt and avoiding xterm
| entirely when I need to use the -e parameter. I have also tried
| the wrappers uxterm and lxterm and both render the mouse inoperable when
| I use the -e parameter.
| I still am not sure what the problem  is...why would urxvt not
| suffer from it ?

with "-e", you just get the command you asked for, no login-shell.

rxvt and others may imitate xterm, but sometimes get the details a little off.

You might be able to see the difference using strace

-- 
Thomas E. Dickey <dickey invisible-island net>
http://invisible-island.net
ftp://ftp.invisible-island.net