Can I use double click to select and copy in tmux?

Question

I am learning to use tmux, I found when I in a tmux window, double-click to select and copy function did not work any more.

Can I use double-click to select and copy jus

Answer 1

Don't know about iterm2, but this can be made to work in tmux 3.0 or newer
(tested on Linux w/ tmux 3.0, last command uses X11 xclip).

Added triple click to select and copy a line too.

# Double LMB Select & Copy (Word)
bind-key -T copy-mode-vi DoubleClick1Pane \
    select-pane \; \
    send-keys -X select-word-no-clear \; \
    send-keys -X copy-pipe-no-clear "xclip -in -sel primary"
bind-key -n DoubleClick1Pane \
    select-pane \; \
    copy-mode -M \; \
    send-keys -X select-word \; \
    send-keys -X copy-pipe-no-clear "xclip -in -sel primary"

# Triple LMB Select & Copy (Line)
bind-key -T copy-mode-vi TripleClick1Pane \
    select-pane \; \
    send-keys -X select-line \; \
    send-keys -X copy-pipe-no-clear "xclip -in -sel primary"
bind-key -n TripleClick1Pane \
    select-pane \; \
    copy-mode -M \; \
    send-keys -X select-line \; \
    send-keys -X copy-pipe-no-clear "xclip -in -sel primary"

If you don't use copy-mode-vi, replace this with copy-mode.

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For older tmux versions check the edit-history.