add rofi-based launcher for steam games

tejing1 · Jan 3, 2025 · ee2afaa · ee2afaa
1 parent 0d886bd
commit ee2afaa
Showing 1 changed file with 53 additions and 2 deletions.
diff --git a/homeConfigurations/tejing/gaming.nix b/homeConfigurations/tejing/gaming.nix
@@ -1,6 +1,9 @@
-{ my, pkgs, ... }:
+{ config, lib, my, pkgs, ... }:
 
-{
+let
+  inherit (builtins) toFile;
+  inherit (my.lib) mkShellScript;
+in {
   home.packages = builtins.attrValues {
     inherit (pkgs)
       lutris
@@ -13,5 +16,53 @@
   # prevent compositing performance hit when gaming
   services.picom.settings.unredir-if-possible = true;
 
+  # Use rofi to launch steam games
+  xsession.windowManager.i3.config.keybindings = let
+    mod = config.xsession.windowManager.i3.config.modifier;
+  in {
+    "${mod}+g" = "exec --no-startup-id ${mkShellScript "mysteamlaunch" {
+      inputs = [
+        pkgs.coreutils
+        pkgs.findutils
+        pkgs.jq
+        pkgs.rofi
+      ];
+      execer = [ "cannot:${pkgs.rofi}/bin/rofi" ];
+      fake.external = [ "steam" ]; # Look this up in PATH. May not be the best idea in theory, but it's what I'm doing.
+    } ''
+      set -euo pipefail
+
+      lastrun_file="$HOME/.cache/mysteamlaunch/lastrun"
+      if [ -f "$lastrun_file" ]; then
+        selected="$(< "$lastrun_file")"
+      fi
+      record_choice() {
+        mkdir -p -- "$(dirname -- "$lastrun_file")"
+        printf "%s\n" "$id" > "$lastrun_file"
+      }
+
+      listgames() {
+        find ~/.local/share/Steam/steamapps/ /mnt/persist/share/data/tejing/replaceable/steam/local_share_Steam/steamapps/ -maxdepth 1 -type f -name '*.acf' -exec jq -sRrf ${toFile "parseacf.jq" ''
+          def convert:
+            capture("\\s*(?<key>\"[^\"]*\")\\s+(?<value>\"[^\"]*\"|({(?:\\s*\"[^\"]*\"\\s+(?:\"[^\"]*\"|\\g<-1>))*\\s*}))";"g") |
+              (.key,.value) |=
+                if startswith("{")
+                then ltrimstr("{") | rtrimstr("}") | [convert] | from_entries
+                elif startswith("\"")
+                then ltrimstr("\"") | rtrimstr("\"")
+                else error("Does not appear to be a string or object: \(.)")
+                end;
+            convert | .value | [ .appid, .name ] | @tsv
+        ''} '{}' '+' | sort -k2
+      }
+
+      choosegame() {
+        rofi -dmenu -i -matching fuzzy -no-custom -display-columns 2 -l 50 -p 'Game to start' ''${selected:+-select "$selected"} | cut -f1
+      }
+
+      id="$(listgames | choosegame)" && record_choice && steam "steam://rungameid/$id"
+    ''}";
+  };
+
   xsession.windowManager.i3.config.assigns."8" = [{class = "^Steam$";}];
 }