75 lines
2.4 KiB
Nix
75 lines
2.4 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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# Keybound screen recording: pick a region, then toggle a video-only capture.
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let
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slurp = lib.getExe pkgs.slurp;
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wf-recorder = lib.getExe pkgs.wf-recorder;
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notify-send = lib.getExe' pkgs.libnotify "notify-send";
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pgrep = lib.getExe' pkgs.procps "pgrep";
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pkill = lib.getExe' pkgs.procps "pkill";
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date = lib.getExe' pkgs.coreutils "date";
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mkdir = lib.getExe' pkgs.coreutils "mkdir";
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xdgUserDir = lib.getExe' pkgs.xdg-user-dirs "xdg-user-dir";
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glyph = code: builtins.fromJSON ''"\u${code}"'';
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# A single key both starts and stops.
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# A running wf-recorder is stopped with SIGINT so it finalises the file.
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# Otherwise slurp picks a region and wf-recorder runs in the foreground until
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# that stop arrives, so this instance lives for the whole recording and then
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# reports it saved.
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# No -a means no audio is captured.
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toggle = pkgs.writeShellScript "screen-record-toggle" ''
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if ${pgrep} -x wf-recorder >/dev/null; then
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${pkill} -INT -x wf-recorder
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exit 0
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fi
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region=$(${slurp}) || exit 0
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dir="$(${xdgUserDir} VIDEOS)/Recordings"
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${mkdir} -p "$dir"
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file="$dir/recording-$(${date} +%Y%m%d-%H%M%S).mp4"
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${notify-send} -a "Screen recording" "Recording started" "Region capture, no audio."
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${wf-recorder} -g "$region" -f "$file"
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${notify-send} -a "Screen recording" "Recording saved" "$file"
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'';
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# Lit while a wf-recorder capture is running.
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# Empty text collapses the widget when idle, so it shows nothing until then.
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recordingStatus = pkgs.writeShellScript "waybar-recording-status" ''
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if ${pgrep} -x wf-recorder >/dev/null; then
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printf '{"text":"${glyph "f03d"}","tooltip":"Recording","class":"recording"}\n'
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else
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printf '{"text":"","class":"idle"}\n'
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fi
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'';
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in
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{
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options.modules.desktop.utilities.recording.enable =
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lib.mkEnableOption "wf-recorder screen recording";
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config = lib.mkIf config.modules.desktop.utilities.recording.enable {
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registry.keybind.${config.networking.hostName}.recording-toggle = {
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keys = "SUPER + SHIFT + R";
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action = {
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kind = "exec";
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command = "${toggle}";
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};
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};
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registry.waybar.${config.networking.hostName}."custom/recording" = {
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order = 10;
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settings = {
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return-type = "json";
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exec = "${recordingStatus}";
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interval = 1;
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};
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};
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};
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}
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