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I'm running VIM in tmux,

When I'm try to select a range of texts in VIM, the mouse kept resetting its position, thus I can only select one line (the last line where mouse occurs).

Does anyone know how to solve this?

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2 Answers 2

Reset to default
49

There are two settings that you need to configure for this to work.

  1. In your .vimrc add:

    set ttymouse=xterm2
set mouse=a

  2. In your .tmux.conf add:

    set -g mouse on

You will then be able to use the mouse to select blocks of text, resize splitted windows, ...

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5
  • Hmm, mouse is slower in tmux, I can feel that, but it works anyway Commented Oct 13, 2012 at 0:29
  • 9
    Try to set ttymouse=xterm2 in your vimrc. For my setup (urxvt-unicode, tmux) it vastly improved the speed and responsiveness of mouse selecting in vim/tmux. Commented Aug 15, 2014 at 12:04
  • @imbaer Thanks, the mouse did not work at all in vim until I set that var as well. Commented Jul 30, 2015 at 18:20
  • As mentioned in the other answer, tmux.conf should now use set -g mouse on Commented Nov 7, 2018 at 0:19
  • Note that the ttymouse option was removed in neovim: github.com/neovim/neovim/issues/2725 Commented Mar 25, 2023 at 8:13
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The answer by @jasonwryan won't work as of tmux 2.1 since the several mouse options were merged into one configuration called mouse.

The new approach is:

  1. In your .vimrc add:

    set ttymouse=xterm2
set mouse=a

  2. In your tmux.conf add:

    set -g mouse on
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