From c88cf536b066f20e2d02433abfffb859e8deac17 Mon Sep 17 00:00:00 2001 From: Joe Rayhawk Date: Mon, 16 Dec 2024 17:52:15 -0800 Subject: bin/clipsync3: new wlrootx<->x11 clipboard bridge --- bin/clipsync3.sh | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100755 bin/clipsync3.sh (limited to 'bin') diff --git a/bin/clipsync3.sh b/bin/clipsync3.sh new file mode 100755 index 0000000..2298d46 --- /dev/null +++ b/bin/clipsync3.sh @@ -0,0 +1,51 @@ +#!/bin/sh +# Scan for wlroots and x11 clipboard events and synchronize text strings. +# Requirements: +# clipnotify https://github.com/cdown/clipnotify (xfixes clipboard events) +# wl-clipboard https://github.com/bugaevc/wl-clipboard +# xclip https://github.com/astrand/xclip + +# non-text TARGET/mimetype negotiation requires a more complicated protocol +# bridge than what xclip and wl-clipboard can be expected to provide. +# To see the scope of the problem for a given selection: +# xclip -t TARGETS -o +# wl-paste -l + +set -e +set -x # debug +#PS4='+ $(sleep .1)' # debug + +differ() { [ x"$new" != x"$old" ]; } +wcp() { printf "%s" "$new" | wl-copy -p; } +wcc() { printf "%s" "$new" | wl-copy; } +xcp() { printf "%s" "$new" | xclip -selection primary; } +#xcc() { printf "%s" "$new" | xclip -selection clipboard; } # why is this broken? +xcc() { true; } + +fifo="${XDG_RUNTIME_DIR:-/tmp}/clipsync-$WAYLAND_DISPLAY-$DISPLAY.sock" +mkfifo "$fifo" # unified event stream to prevent multi-process feedback loops + +# ensure we kill our whole subprocess group on shutdown +trap "trap - TERM; rm $fifo; kill -- -$$;" INT TERM EXIT # rewrite trap so it doesn't recurse + +exec 3<> "$fifo" # open as fd 3 +#rm "$fifo" # we don't technically use the link anymore, but it *is* useful as lockfile + +wl-paste --watch echo wc >&3 & wcpid=$!; read -r spam <&3; unset spam +wl-paste --primary --watch echo wp >&3 & wppid=$!; read -r spam <&3; unset spam +while clipnotify -s primary ; do echo xp; done >&3 & xppid=$! +#while clipnotify -s clipboard; do echo xc; done >&3 & xcpid=$! # why is this broken? + +while read -r event <&3; do + case "$event" in + (wc) new="$( wl-paste -n )"; differ && ( wcp; xcc; xcp; ) ;; + (wp) new="$( wl-paste -n --primary )"; differ && ( wcc; xcc; xcp; ) ;; + (xc) new="$( xclip -o -selection clipboard )"; differ && ( wcc; wcp; xcp; ) ;; + (xp) new="$( xclip -o -selection primary )"; differ && ( wcc; wcp; xcc; ) ;; + esac + old="$new" +done + +# if further process management is needed: +#kill $wcpid $wppid $xppid $xcpid +#disown $wcpid $wppid $xppid $xcpid -- cgit v1.2.3