>From the tmux man page:
-l requests the clipboard from the client using the xterm(1)
escape sequence. If Ar target-pane is
given, the clipboard is sent (in encoded form), otherwise it
is stored in a new paste buffer.
Does refresh-client -l also work with OSC-52? The man page may need to be
updating.
How would you use this? Would you bind MouseDown2Pane to first
refresh-client to sync the buffer and then paste?
On Thursday, 8 June 2023 at 10:32:44 UTC+1 nicholas...@gmail.com wrote:
> If you had OSC 52 working you can use refresh-client -l (lowercase L) to
> read it from the terminal.
>
> Without OSC 52 you will need to send it to the remote host out of band and
> load it with tmux load-buffer
>
>
>
> On Thu, 8 Jun 2023 at 10:27, Michael Grant <michae...@gmail.com> wrote:
>
>> 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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>>>>>>>>>>
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