tmux interfering with vim mouse commands, depending on pointer location











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For several years, I've been running an environment that very smoothly uses vim inside of tmux. But they've recently started fighting with one another, and I don't understand why.



If the mouse pointer is either too far to the right or (sometimes) too far down the screen, mouse commands somehow get garbled. Attempting to click tabs on the right side at the top of vim produces exclamation points in the gutter. Scrolling up or down will, if I'm too far to the right, produce weirdly random character output.



If I run vim outside of a tmux session it works fine, so it has to be the interaction between the two that's causing an issue.



I do have these options set in my .tmux.conf:



set -g default-terminal "screen-256color"
set-window-option -g xterm-keys on
set-option -g mode-mouse on


Anybody have any ideas about what's going on or how I can fix it?



FWIW, I'm running iTerm2 on Mac, with the tmux integration that treats each window as its own tab. No idea if that's a possible contributing factor.










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    For several years, I've been running an environment that very smoothly uses vim inside of tmux. But they've recently started fighting with one another, and I don't understand why.



    If the mouse pointer is either too far to the right or (sometimes) too far down the screen, mouse commands somehow get garbled. Attempting to click tabs on the right side at the top of vim produces exclamation points in the gutter. Scrolling up or down will, if I'm too far to the right, produce weirdly random character output.



    If I run vim outside of a tmux session it works fine, so it has to be the interaction between the two that's causing an issue.



    I do have these options set in my .tmux.conf:



    set -g default-terminal "screen-256color"
    set-window-option -g xterm-keys on
    set-option -g mode-mouse on


    Anybody have any ideas about what's going on or how I can fix it?



    FWIW, I'm running iTerm2 on Mac, with the tmux integration that treats each window as its own tab. No idea if that's a possible contributing factor.










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      For several years, I've been running an environment that very smoothly uses vim inside of tmux. But they've recently started fighting with one another, and I don't understand why.



      If the mouse pointer is either too far to the right or (sometimes) too far down the screen, mouse commands somehow get garbled. Attempting to click tabs on the right side at the top of vim produces exclamation points in the gutter. Scrolling up or down will, if I'm too far to the right, produce weirdly random character output.



      If I run vim outside of a tmux session it works fine, so it has to be the interaction between the two that's causing an issue.



      I do have these options set in my .tmux.conf:



      set -g default-terminal "screen-256color"
      set-window-option -g xterm-keys on
      set-option -g mode-mouse on


      Anybody have any ideas about what's going on or how I can fix it?



      FWIW, I'm running iTerm2 on Mac, with the tmux integration that treats each window as its own tab. No idea if that's a possible contributing factor.










      share|improve this question













      For several years, I've been running an environment that very smoothly uses vim inside of tmux. But they've recently started fighting with one another, and I don't understand why.



      If the mouse pointer is either too far to the right or (sometimes) too far down the screen, mouse commands somehow get garbled. Attempting to click tabs on the right side at the top of vim produces exclamation points in the gutter. Scrolling up or down will, if I'm too far to the right, produce weirdly random character output.



      If I run vim outside of a tmux session it works fine, so it has to be the interaction between the two that's causing an issue.



      I do have these options set in my .tmux.conf:



      set -g default-terminal "screen-256color"
      set-window-option -g xterm-keys on
      set-option -g mode-mouse on


      Anybody have any ideas about what's going on or how I can fix it?



      FWIW, I'm running iTerm2 on Mac, with the tmux integration that treats each window as its own tab. No idea if that's a possible contributing factor.







      vim tmux






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      asked Nov 14 at 20:17









      BlairHippo

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