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https://github.com/fish-shell/fish-shell
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011af34d62
This has been supported since 2012, allows blinking cursors and works in tmux. Fixes #9172 Fixes #3741
102 lines
3.6 KiB
Fish
102 lines
3.6 KiB
Fish
function fish_vi_cursor -d 'Set cursor shape for different vi modes'
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# If we're not interactive, there is effectively no bind mode.
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if not status is-interactive
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return
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end
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# This is hard to test in expect, since the exact sequences depend on the environment.
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# Instead disable it.
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if set -q FISH_UNIT_TESTS_RUNNING
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return
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end
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# If this variable is set, skip all checks
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if not set -q fish_vi_force_cursor
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# Emacs Makes All Cursors Suck
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if set -q INSIDE_EMACS
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return
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end
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# vte-based terms set $TERM = xterm*, but only gained support in 2015.
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# From https://bugzilla.gnome.org/show_bug.cgi?id=720821, it appears it was version 0.40.0
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if set -q VTE_VERSION
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and test "$VTE_VERSION" -lt 4000 2>/dev/null
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return
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end
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# Similarly, genuine XTerm can do it since v280.
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if set -q XTERM_VERSION
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and not test (string replace -r "XTerm\((\d+)\)" '$1' -- "$XTERM_VERSION") -ge 280 2>/dev/null
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return
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end
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# We need one of these terms.
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# It would be lovely if we could rely on terminfo, but:
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# - The "Ss" entry isn't a thing in macOS' old and crusty terminfo
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# - It is set for xterm, and everyone and their dog claims to be xterm
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#
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# So we just don't care about $TERM, unless it is one of the few terminals that actually have their own entry.
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if not set -q KONSOLE_PROFILE_NAME
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and not test -n "$KONSOLE_VERSION" -a "$KONSOLE_VERSION" -ge 200400 # konsole, but new.
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and not set -q ITERM_PROFILE
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and not set -q VTE_VERSION # which version is already checked above
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and not set -q WT_PROFILE_ID
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and not set -q XTERM_VERSION
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and not string match -q Apple_Terminal -- $TERM_PROGRAM
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and not string match -rq '^st(-.*)$' -- $TERM
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and not string match -q 'xterm-kitty*' -- $TERM
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and not string match -q 'rxvt*' -- $TERM
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and not string match -q 'alacritty*' -- $TERM
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and not string match -q 'foot*' -- $TERM
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and not begin
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set -q TMUX
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and string match -qr '^screen|^tmux' -- $TERM
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end
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return
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end
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end
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set -l terminal $argv[1]
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set -q terminal[1]
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or set terminal auto
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set -l function
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switch "$terminal"
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case auto
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# Nowadays, konsole does not set $KONSOLE_PROFILE_NAME anymore,
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# and it uses the xterm sequences.
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if set -q KONSOLE_PROFILE_NAME
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set function __fish_cursor_konsole
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else
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set function __fish_cursor_xterm
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end
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case konsole
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set function __fish_cursor_konsole
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case xterm
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set function __fish_cursor_xterm
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end
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set -q fish_cursor_unknown
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or set -g fish_cursor_unknown block
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echo "
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function fish_vi_cursor_handle --on-variable fish_bind_mode --on-event fish_postexec --on-event fish_focus_in
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set -l varname fish_cursor_\$fish_bind_mode
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if not set -q \$varname
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set varname fish_cursor_unknown
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end
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$function \$\$varname
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end
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" | source
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echo "
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function fish_vi_cursor_handle_preexec --on-event fish_preexec
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set -l varname fish_cursor_default
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if not set -q \$varname
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set varname fish_cursor_unknown
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end
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$function \$\$varname
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end
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" | source
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end
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