configs/nixos/modules/desktop/utilities/recording.nix

@@ -7,13 +7,13 @@
 }:
 # Keybound screen recording: pick a region, then toggle a video-only capture.
 let
-  # A single key both starts and stops.
-  # A running wf-recorder is stopped with SIGINT so it finalises the file.
-  # Otherwise slurp picks a region and wf-recorder runs in the foreground until
-  # that stop arrives, so this instance lives for the whole recording and then
-  # reports it saved.
-  # No -a means no audio is captured.
-  toggle = pkgs.writeShellScript "screen-record-toggle" ''
+  # A single key starts and stops recording.
+  # Waybar refreshes on state changes instead of polling.
+  recordingToggle = pkgs.writeShellScript "screen-record-toggle" ''
+    refresh_waybar() {
+      ${lib.getExe' pkgs.procps "pkill"} -RTMIN+10 waybar >/dev/null 2>&1 || true
+    }
+
     if ${lib.getExe' pkgs.procps "pgrep"} -x wf-recorder >/dev/null; then
       ${lib.getExe' pkgs.procps "pkill"} -INT -x wf-recorder
       exit 0
@@ -25,12 +25,15 @@ let
     file="$dir/recording-$(${lib.getExe' pkgs.coreutils "date"} +%Y%m%d-%H%M%S).mp4"
 
     ${lib.getExe' pkgs.libnotify "notify-send"} -a "Screen recording" "Recording started" "Region capture, no audio."
-    ${lib.getExe pkgs.wf-recorder} -g "$region" -f "$file"
+    ${lib.getExe pkgs.wf-recorder} -g "$region" -f "$file" &
+    recorder=$!
+    refresh_waybar
+    wait "$recorder" || true
+    refresh_waybar
     ${lib.getExe' pkgs.libnotify "notify-send"} -a "Screen recording" "Recording saved" "$file"
   '';
 
-  # Lit while a wf-recorder capture is running.
-  # Empty text collapses the widget when idle, so it shows nothing until then.
+  # Empty text collapses the widget when recording is idle.
   recordingStatus = pkgs.writeShellScript "waybar-recording-status" ''
     if ${lib.getExe' pkgs.procps "pgrep"} -x wf-recorder >/dev/null; then
       printf '{"text":"${util.glyph "f03d"}","tooltip":"Recording","class":"recording"}\n'
@@ -48,7 +51,7 @@ in
       keys = "SUPER + SHIFT + R";
       action = {
         kind = "exec";
-        command = "${toggle}";
+        command = "${recordingToggle}";
       };
     };
 
@@ -57,7 +60,8 @@ in
       settings = {
         return-type = "json";
         exec = "${recordingStatus}";
-        interval = 1;
+        interval = "once";
+        signal = 10;
       };
     };
   };