I'm trying to wrap my head around the other direction, from windows
clipboard to tmux's copy-buffer. Is that even possible? How would one
even do that? As far as I know OSC-52 is only one direction.
On Thursday, 8 June 2023 at 10:19:23 UTC+1 Michael Grant wrote:
> Adding this to my .tmux.conf as you suggest did seem to help, thanks!
>
> bind-key -T root MouseDown2Pane select-pane -t = \; if-shell -F
> "#{pane_in_mode}" { send-keys -M } { paste-buffer -p }
>
> On Thursday, 8 June 2023 at 10:12:44 UTC+1 Michael Grant wrote:
>
>> % tmux list-keys | grep MouseDown2
>> bind-key -T root MouseDown2Pane select-pane -t = \;
>> if-shell -F "#{||:#{pane_in_mode},#{mouse_any_flag}}" { send-keys -M } {
>> paste-buffer -p }
>>
>> I didn't bind that, that is the default for me.
>> On Thursday, 8 June 2023 at 10:06:16 UTC+1 nicholas...@gmail.com wrote:
>>
>>> > Not exactly true, I can paste the ESC character into Notepad++ just
>>> fine, it shows up like `[esc]`. Similarrly for control characters. I
>>> verified this in one of my many tests yesterday.
>>>
>>> That has nothing to do with it. How would the terminal know the
>>> difference between a clipboard containing \033\\ and the intended
>>> terminator?
>>>
>>> > I think I have the middle button bound to paste as you mention below,
>>>
>>> What is it bound to? Check with list-keys.
>>>
>>>
>>>
>>> On Thu, 8 Jun 2023 at 10:00, Michael Grant <michae...@gmail.com> wrote:
>>>
>>>> > We can't add unused parameters because newer ncurses will validate
>>>> the number of parameters.
>>>>
>>>> I see.
>>>>
>>>> > the clipboard may have characters that cannot be sent like \033.
>>>>
>>>> Not exactly true, I can paste the ESC character into Notepad++ just
>>>> fine, it shows up like `[esc]`. Similarrly for control characters. I
>>>> verified this in one of my many tests yesterday.
>>>>
>>>> I tried iconv today as suggested and couldn't find an encoding that
>>>> pasted cleanly. I tried converting utf-8 to utf-16 and a few others but
>>>> nothing helped. It looks like utf-8 to me. Like I said, it seems like
>>>> something is encoding each byte of a multi-byte encoding, so there's
>>>> probably nothing i'm going to be able to do here, the damage happens
>>>> further downstream. This is not a tmux issue, it happens even outside
>>>> tmux. I've opened an issue in the KiTTY github repo on this.
>>>>
>>>> Real OSC-52 support seems to be needed in KiTTY.
>>>>
>>>> How would one do the reverse? How would one get data into tmux's
>>>> copy-buffer so that middle-click pasted from the Windows clipboard back to
>>>> tmux? I have mouse mode enabled and on and I was using the middle click
>>>> on
>>>> the mouse. It pastes what's in tmux's copy buffer into tmux within tmux.
>>>> I think I have the middle button bound to paste as you mention below, I
>>>> didn't do anything special in my .tmux.conf to do this, seems like the
>>>> default.
>>>> On Thursday, 8 June 2023 at 05:12:40 UTC+1 nicholas...@gmail.com wrote:
>>>>
>>>>> %pX means push parameter X. We can't add unused parameters because
>>>>> newer ncurses will validate the number of parameters. Anyway, sending raw
>>>>> output won't work as a general solution because the clipboard may have
>>>>> characters that cannot be sent like \033.
>>>>>
>>>>> My guess for UTF-8 would be that either Windows or kitty doesn't know
>>>>> about UTF-8 in this output and is treating it as an 8-bit encoding. If
>>>>> you
>>>>> can't configure this in the terminal you could maybe pass the text
>>>>> through
>>>>> iconv to make it the right encoding so at least some characters would
>>>>> work.
>>>>>
>>>>>
>>>>> On Thu, 8 Jun 2023, 00:17 Michael Grant, <michae...@gmail.com> wrote:
>>>>>
>>>>>> Right, you're correct, the copy-buffer will never get control
>>>>>> characters by copying using copy mode except newlines and multibyte
>>>>>> unicode.
>>>>>>
>>>>>> Can you (or someone) please explain those params in the tmux Ms
>>>>>> terminfo entry? What's %p1%s? The %p2%s appears to be the base64
>>>>>> encoded
>>>>>> paste buffer. Maybe one could add a %p3%s which is the raw, not base64
>>>>>> that could be used for this purpose? To be honest, this method would be
>>>>>> cleaner and simpler than my script below.
>>>>>>
>>>>>> When I couldn't get this working earlier, I thought tmux was
>>>>>> filtering the escape codes but the problem wasn't passthrough, it was
>>>>>> that
>>>>>> I wasn't sending the output to the correct tty.
>>>>>>
>>>>>> Here is the current wcl script:
>>>>>>
>>>>>> # start send to ansi printer
>>>>>> echo -ne '\e[5i' >$SSH_TTY
>>>>>>
>>>>>> # send stdin to the outer terminal
>>>>>> cat >$SSH_TTY
>>>>>>
>>>>>> # end ansi printer output
>>>>>> echo -ne '\e[4i' >$SSH_TTY
>>>>>>
>>>>>> and in my .tmux.conf I have this line:
>>>>>>
>>>>>> bind -Tcopy-mode MouseDragEnd1Pane send -X copy-pipe-and-cancel
>>>>>> '~/bin/wcl'
>>>>>>
>>>>>> and I set the ansi printer in KiTTY to print to the clipboard as per
>>>>>> http://www.9bis.net/kitty/index.html#!pages/StdoutToClipboard.md
>>>>>>
>>>>>> and now, when I select text in a tmux window with a shell, it
>>>>>> magically is available in my Windows clipboard.
>>>>>>
>>>>>> If I middle click in tmux, it's pasted back into the shell. Ahh, so
>>>>>> nice! Used it already multiple times to write this post!
>>>>>>
>>>>>> This works but I do have a problem with unicode characters that are
>>>>>> encoded as multiple bytes. When there's a unicode code-point that would
>>>>>> encode to multiple characters in utf-8 on the sceen in tmux that I copy
>>>>>> into the copy-buffer, then paste it into Windows, I get the multi bytes
>>>>>> instead of the single character. For example, if i have '€100' in tmux,
>>>>>> select it to copy it, then paste it back into windows, i get '€100'.
>>>>>>
>>>>>> I don't know where the problem lies here. The editor window
>>>>>> (notepad++) on windows certainly supports unicode. The linux side
>>>>>> certainly does too. Something along the way is re-encoding each of the
>>>>>> characters in the multi-byte sequence as a single unicode codepoint and
>>>>>> then sending a multi-byte character for each of those characters. It
>>>>>> could
>>>>>> be a manifestation of this printer to clipboard hack and if we can get
>>>>>> the
>>>>>> terminfo param to do raw output, maybe that would fix this? This might
>>>>>> be
>>>>>> a KiTTY issue. I am not sure and unsure how to debug this at the moment.
>>>>>>
>>>>>> By the way, there are some typos on the github documentation page on
>>>>>> passthrough which I will try to find the time to do a PR. In the end, I
>>>>>> didn't need to use passthrough though I did get it working and it does
>>>>>> not
>>>>>> help the unicode problem.
>>>>>>
>>>>>> So the first thing I tried was to copy something from the shell and
>>>>>> then edit a file in the same tmux window with vi and paste it into the
>>>>>> file. When I run an editor such as vi or emacs, tmux seems to switch to
>>>>>> an
>>>>>> alternate terminal screen within the terminal. By this, I mean, when I
>>>>>> exit vi, instead of seeing the bottom part of the vi session still on my
>>>>>> screen, the screen is returned to the way it was before entering the
>>>>>> editor. The ansi term for this may be 'anternate screen'. Terminfo
>>>>>> seems
>>>>>> to calls this 'smcup'. There seems to be a separate paste buffer
>>>>>> associated with the middle click when I'm in the alternete screen. Or
>>>>>> maybe the editor is controlling this button? I'm not wholey sure.
>>>>>> Whatever it is, I can't find a way to paste the tmux clipboard into the
>>>>>> editor. This is reproducible without any of the copy-mode settings
>>>>>> above
>>>>>> and has nothing to do with Windows, and I don't think it has anything to
>>>>>> do
>>>>>> with KiTTY either, KiTTY seems to be sending middle click to tmux
>>>>>> regardless of whether I'm in vi or at the shell prompt.
>>>>>>
>>>>>> Is there some way to paste from the copy-buffer into an editor such
>>>>>> as vi or emacs, both in the same tmux? (Windows not involved here).
>>>>>>
>>>>>> On Wednesday, 7 June 2023 at 14:14:09 UTC+1 nicholas...@gmail.com
>>>>>> wrote:
>>>>>>
>>>>>>> Hi
>>>>>>>
>>>>>>> No, it needs to be encoded somehow in case the copied text contains
>>>>>>> control characters. If you are sure it won't you could modify tmux to
>>>>>>> skip
>>>>>>> the base64 (look for b64_ntop in tty_set_selection)
>>>>>>>
>>>>>>> You will never get control characters by copying using copy mode
>>>>>>> except for newline, so I don't know what you mean when you say "tmux
>>>>>>> filters out the escape characters".
>>>>>>>
>>>>>>> You can send to the terminal directly using the passthrough escape
>>>>>>> sequence (see the FAQ).
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Wed, 7 Jun 2023 at 13:22, Michael Grant <michae...@gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> I didn't want to hijack Eric's other thread which is clearly X
>>>>>>>> based so starting a new thread here.
>>>>>>>>
>>>>>>>> I'm using Windows. I ssh into my linux servers with KiTTY and run
>>>>>>>> tmux on the linux server. No, I do not want to install an X server on
>>>>>>>> windows, thanks very much,
>>>>>>>>
>>>>>>>> KiTTY (a windows program which is a fork of PuTTY) not to be
>>>>>>>> confused with kitty, a terminal emulator that runs under linux. It
>>>>>>>> seems
>>>>>>>> the linux kitty supports OSC52 by the way.
>>>>>>>>
>>>>>>>> I don't think KiTTY supports OSC52 (yet), at least, I've never
>>>>>>>> gotten it to work. But it does support taking the output to the
>>>>>>>> printer
>>>>>>>> and putting that into the local clipboard:
>>>>>>>> http://www.9bis.net/kitty/index.html#!pages/StdoutToClipboard.md
>>>>>>>>
>>>>>>>> Try 1, I added this to my .tmux.conf:
>>>>>>>>
>>>>>>>> bind -Tcopy-mode MouseDragEnd1Pane send -X copy-pipe-and-cancel
>>>>>>>> '~/bin/wcl'
>>>>>>>>
>>>>>>>> Unfortunately, tmux filters out the escape characters, the raw
>>>>>>>> output is not getting to KiTTY.
>>>>>>>>
>>>>>>>> I've tried pipping something to wcl outside tmux (as in, before
>>>>>>>> starting tmux) and it does work, i can paste on the windows side.
>>>>>>>>
>>>>>>>> First thought, is there some tmux command I can run which will echo
>>>>>>>> something back to the raw terminal (KiTTY in my case)?
>>>>>>>>
>>>>>>>> Second thought was maybe I could craft an Ms entry for a terminfo
>>>>>>>> override. This is what I tried:
>>>>>>>>
>>>>>>>> Try 2, added this to my .tmux.conf instead:
>>>>>>>>
>>>>>>>> set -as terminal-overrides ',*-256color:Ms=\E[5i;%p2%s;\E[4i'
>>>>>>>>
>>>>>>>> Restarted tmux (killed the server and restarted it). And it's
>>>>>>>> tantelizingly close. I get base64 text on the windows side!
>>>>>>>>
>>>>>>>> One difference between OSC52 and this KiTTY hack is that OSC52
>>>>>>>> expects the string to be base64 encoded whereas printing to the
>>>>>>>> printer
>>>>>>>> doesn't expect that. Is there some param that sends the raw text, not
>>>>>>>> base64 encoded?
>>>>>>>>
>>>>>>>> Second, with this method, how can set the behavior to do the copy
>>>>>>>> when I release the mouse button? (MouseDragEnd1Pane)
>>>>>>>>
>>>>>>>> Michael Grant
>>>>>>>>
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