little-lightning: skhd config

hosts/little-lightning/configuration.nix

@@ -48,6 +48,120 @@
       '';
     };
 
+  services.skhd =
+    let
+      yabaiSwapToFullscreen = pkgs.writeShellApplication {
+        name = "yabai-swap-to-fullscreen";
+        runtimeInputs = [ pkgs.jq pkgs.yabai ];
+        text = ''
+          focus() {
+            yabai -m space --focus "$1"
+          }
+
+          get_fs_displays() {
+            yabai -m query --spaces | jq -c 'map(select(."is-native-fullscreen" == true))'
+          }
+
+          get_visible() {
+            printf '%s' "$1" | jq -c 'map(select(."is-visible" == true))'
+          }
+
+          is_empty() {
+            length="$(printf '%s' "$1" | jq 'length')"
+            [ "$length" -le 0 ]
+          }
+
+          first() {
+            printf '%s' "$1" | jq 'sort_by(.index) | .[0].index'
+          }
+
+          try_focus_visible() {
+            # This should be at max length 1. Though this may likely break in a multimonitor environment
+            visible_fullscreen_displays=$(get_visible "$1")
+
+            if ! is_empty "$visible_fullscreen_displays"; then
+              visible_index=$(printf '%s' "$visible_fullscreen_displays" | jq -c '.[0].index')
+              next_index=$((visible_index + 1))
+              if [ "$(printf '%s' "$fullscreen_displays" | jq "map(select(.index == $next_index)) | length")" -gt "0" ]; then
+                focus "$next_index"
+                return 0
+              fi
+            fi
+
+            return 1
+          }
+
+          main() {
+            fullscreen_displays="$(get_fs_displays)"
+
+            is_empty "$fullscreen_displays" && focus 1 && return 1
+
+            try_focus_visible "$fullscreen_displays" && return 1
+
+            focus "$(first "$fullscreen_displays")"
+          }
+
+          main
+        '';
+      };
+
+      # Idk if macos' 'open' is something I can find in nixpkgs lmfao
+      newAlacrityWindow = pkgs.writeShellApplication {
+        name = "new-alacritty-window";
+        runtimeInputs = [ pkgs.alacritty ];
+        text = ''
+          alacritty_output=$(alacritty msg create-window 2>/dev/null)
+
+          if [ -z "$alacritty_output" ]; then
+            open /Applications/Alacritty.app
+          fi
+        '';
+      };
+
+      yabai = lib.getExe pkgs.yabai;
+    in
+    {
+      enable = false;
+      skhdConfig = ''
+        # float / unfloat window and center on screen
+        alt - t : ${yabai} -m window --toggle float --grid 4:4:1:1:2:2
+
+        # open terminal window using shell script
+        cmd - return : ${lib.getExe newAlacrityWindow}
+
+        # rebind space switching
+        ctrl - left : ${yabai} -m space --focus prev || ${yabai} -m space --focus last
+        ctrl - right : ${yabai} -m space --focus next || ${yabai} -m space --focus first
+
+        # focusing specific spaces
+        cmd - 1 : ${yabai} -m space --focus 1
+        cmd - 2 : ${yabai} -m space --focus 2
+        cmd - 3 : ${yabai} -m space --focus 3
+        cmd - 4 : ${yabai} -m space --focus 4
+        cmd - 5 : ${yabai} -m space --focus 5
+        cmd - 6 : ${yabai} -m space --focus 6
+        cmd - 7 : ${yabai} -m space --focus 7
+        cmd - 8 : ${yabai} -m space --focus 8
+        cmd - 9 : ${yabai} -m space --focus 9
+        cmd - 0x32 : ${lib.getExe yabaiSwapToFullscreen}
+
+
+        # moving windows
+        cmd + shift - 1 : ${yabai} -m window --space 1
+        cmd + shift - 2 : ${yabai} -m window --space 2
+        cmd + shift - 3 : ${yabai} -m window --space 3
+        # cmd + shift - 4 : ${yabai} -m window --space 4
+        cmd + shift - 5 : ${yabai} -m window --space 5
+        cmd + shift - 6 : ${yabai} -m window --space 6
+        cmd + shift - 7 : ${yabai} -m window --space 7
+        cmd + shift - 8 : ${yabai} -m window --space 8
+        cmd + shift - 9 : ${yabai} -m window --space 9
+        cmd + shift - 0x32 : ${yabai} -m window --toggle native-fullscreen
+
+        # cmd + alt - 4 : "cmd + shift - 4"
+      '';
+    };
+
   home-manager.sharedModules = [
     {
       home.file.".config/yabai/yabaiExe".source = lib.getExe pkgs.yabai;