pinwheel: Add screenshot annotation with satty

Shift-prefixed screenshot bindings pipe the capture to satty, and notifications use a short timeout so they are not captured.

hosts/pinwheel/modules/screenshot/default.nix

@@ -9,28 +9,39 @@ let
   hyprlandEnabled = config.mod.hyprland.enable;
 
   grimblast = inputs.hyprland-contrib.packages.${pkgs.stdenv.hostPlatform.system}.grimblast;
-  area = "${pkgs.libnotify}/bin/notify-send 'ps: selected area' && ${grimblast}/bin/grimblast copy area";
-  screen = "${pkgs.libnotify}/bin/notify-send 'ps: selected screen' &&${grimblast}/bin/grimblast copy output";
+  satty = "${pkgs.satty}/bin/satty --filename - --copy-command ${pkgs.wl-clipboard}/bin/wl-copy --initial-tool brush --actions-on-enter save-to-clipboard,exit --early-exit copy";
+
+  # Short timeout so the notification is gone before the capture happens.
+  # Output captures are instant, so they wait for it to disappear.
+  notify = msg: "${pkgs.libnotify}/bin/notify-send -t 500 'ps: ${msg}'";
+  waitForNotify = "${pkgs.coreutils}/bin/sleep 0.6";
+
+  area = "${notify "selected area"} && ${grimblast}/bin/grimblast copy area";
+  screen = "${notify "selected screen"} && ${waitForNotify} && ${grimblast}/bin/grimblast copy output";
+  annotateArea = "${notify "annotate area"} && ${grimblast}/bin/grimblast save area - | ${satty}";
+  annotateScreen = "${notify "annotate screen"} && ${waitForNotify} && ${grimblast}/bin/grimblast save output - | ${satty}";
+
+  bind = keys: cmd: {
+    _args = [
+      keys
+      (lib.generators.mkLuaInline ''hl.dsp.exec_cmd("${cmd}")'')
+    ];
+  };
 in
 {
   home-manager.users.alex = {
-    home.packages = [ grimblast ];
+    home.packages = [
+      grimblast
+      pkgs.satty
+    ];
 
     wayland.windowManager.hyprland = lib.mkIf hyprlandEnabled {
       settings = {
         bind = [
-          {
-            _args = [
-              "SUPER + Print"
-              (lib.generators.mkLuaInline ''hl.dsp.exec_cmd("${area}")'')
-            ];
-          }
-          {
-            _args = [
-              "SUPER + CTRL + Print"
-              (lib.generators.mkLuaInline ''hl.dsp.exec_cmd("${screen}")'')
-            ];
-          }
+          (bind "SUPER + Print" area)
+          (bind "SUPER + CTRL + Print" screen)
+          (bind "SUPER + SHIFT + Print" annotateArea)
+          (bind "SUPER + CTRL + SHIFT + Print" annotateScreen)
         ];
       };
     };