neovim copy to clipboard kitty

[gaurishhs]

hi, i am unable to copy text from neovim editor to my clipboard. i even have a mapping setup in kitty.conf for copy_to_clipboard this is my current kitty.conf

font_family      JetBrains Mono Regular
bold_font        JetBrains Mono Bold
italic_font      JetBrains Mono Italic
bold_italic_font JetBrains Mono Bold Italic

symbol_map U+23FB-U+23FE,U+2665,U+26A1,U+2B58,U+E000-U+E00A,U+E0A0-U+E0A3,U+E0B0-U+E0D4,U+E200-U+E2A9,U+E300-U+E3E3,U+E5FA-U+E6AA,U+E700-U+E7C5,U+EA60-U+EBEB,U+F000-U+F2E0,U+F300-U+F32F,U+F400-U+F4A9,U+F500-U+F8FF,U+F0001-U+F1AF0 Symbols Nerd Font Mono
map cmd+c copy_to_clipboard

however pressing y works. is there a way to map cmd+c to send y to neovim?

[kovidgoyal]

https://sw.kovidgoyal.net/kitty/faq/#how-do-i-map-key-presses-in-kitty-to-different-keys-in-the-terminal-program Though if you want cmd+c to copy in neovim map it to yank in neovim.

[gaurishhs]

the thing is vnoremap <D-c> "+y isn't actually working for me even though ctrl+c works but cmd isn't working. surprisingly this thing does work in neovim gui (neovide). i also have clipboard=unnamed,unnamedplus set

[gaurishhs]

@kovidgoyal Any idea?

[kovidgoyal]

You need to ask for help in a neovim forum.

[GeorgeFlerovsky]

@gaurishhs @kovidgoyal
I was able to make the Neovim clipboard work in kitty with the following settings (using OSC 52).
For more info, see :help clipboard-osc52 in Neovim.

vim.opt.clipboard = ""
vim.g.clipboard = {
  name = 'OSC 52',
  copy = {
    ['+'] = require('vim.ui.clipboard.osc52').copy('+'),
    -- ['*'] = require('vim.ui.clipboard.osc52').copy('*'),
  },
  paste = {
    ['+'] = require('vim.ui.clipboard.osc52').paste('+'),
    -- ['*'] = require('vim.ui.clipboard.osc52').paste('*'),
  },
}

Note that due to Kitty's prompt for manual confirmation whenever pasting from the system clipboard, I don't recommend setting vim.opt.clipboard to "unnamed" or "unnamedplus"; otherwise, then you'll get the prompt whenever you copy and paste purely within Neovim. Instead, you should use the "+y and "+p key combos to copy and paste with the system clipboard.

I recommend adding this to kitty docs somewhere, so people don't have to ask about it in issues/discussion/reddit. I'm using:

• Wayland on Ubuntu 24.04.1 LTS
• Kitty 0.37.0
• Neovim version 0.10.2.

[GeorgeFlerovsky]

Also, you'll need to use "+y to copy from Vim into the system clipboard and "+p to paste from the system clipboard.

Normally, most people set the vim.opt.clipboard = "unnamedplus" option in Neovim to make the usual y and p use the system clipboard directly, but this is not advised on kitty, because kitty requires manual user confirmation every time a CLI program tries to paste from the system clipboard, which would be quite annoying if you're just copying and pasting within Neovim (i.e. not to other programs). So I don't recommend setting it if you're running Neovim in kitty.

[TamaMcGlinn]

looks like you're right, all I had to do was remove the snippet I had gotten from the help message; I have xclip 0.13-2 installed already, and it works again - also in tmux. I guess I was trying to figure out forwarding over SSH of the clipboard, found and tried out this solution to a different problem, and then left the snippet in place in my vimrc to confuse future me.

Thanks for your help, this has been bugging me for a long time!

[GeorgeFlerovsky]

@TamaMcGlinn
I think Lemonade might be the tool you want for clipboard over ssh. I haven't used it myself, but it might work for you. Also, apparently Neovim can detect and use it automatically.

https://github.com/lemonade-command/lemonade

[kovidgoyal]

@GeorgeFlerovsky there's nothing kitty specific there it will work with any terminal that supports OSC 52. Note that you can turn off kitty's security prompt in kitty.conf via the clipboard_control setting if you like.

[GeorgeFlerovsky]

@kovidgoyal Agreed. I was just helping him make his setup work.

Personally, I prefer kitty's clipboard prompt. It's more secure. 💪