gtksourceview: init module (#958)

Link: https://github.com/nix-community/stylix/pull/958

Reviewed-by: Daniel Thwaites <danth@danth.me>
Reviewed-by: awwpotato <awwpotato@voidq.com>
Co-authored-by: NAHO <90870942+trueNAHO@users.noreply.github.com>
Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>

modules/gedit/hm.nix

@@ -8,7 +8,7 @@ mkTarget {
     {
       xdg.dataFile = {
         "gedit/styles/stylix.xml".source = colors {
-          template = ./template.xml.mustache;
+          template = ../gtksourceview/template.xml.mustache;
           extension = ".xml";
         };
       };

modules/gnome-text-editor/meta.nix

@@ -1,5 +1,6 @@
+{ lib, ... }:
 {
   name = "GNOME Text Editor";
   homepage = "https://gitlab.gnome.org/GNOME/gnome-text-editor";
-  maintainers = [ ];
+  maintainers = [ lib.maintainers.bricked ];
 }

modules/gnome-text-editor/overlay.nix

@@ -1,28 +0,0 @@
-{
-  lib,
-  config,
-  ...
-}:
-let
-  style = config.lib.stylix.colors {
-    template = ../gedit/template.xml.mustache;
-    extension = ".xml";
-  };
-in
-{
-  overlay =
-    _: prev:
-    lib.optionalAttrs
-      (
-        config.stylix.enable && config.stylix.targets.gnome-text-editor.enable or false
-      )
-      {
-        gnome-text-editor = prev.gnome-text-editor.overrideAttrs (oldAttrs: {
-          postFixup = ''
-            ${oldAttrs.postFixup or ""}
-            mkdir -p $out/share/gtksourceview-5/styles
-            cp ${style} $out/share/gtksourceview-5/styles/stylix.xml
-          '';
-        });
-      };
-}

modules/gtksourceview/hm.nix

@@ -0,0 +1,28 @@
+{ mkTarget, lib, ... }:
+mkTarget {
+  name = "gtksourceview";
+  humanName = "GTKSourceView";
+
+  configElements =
+    { colors, ... }:
+    {
+      xdg.dataFile = builtins.listToAttrs (
+        map
+          (
+            version:
+            lib.nameValuePair "gtksourceview-${version}/styles/stylix.xml" {
+              source = colors {
+                template = ./template.xml.mustache;
+                extension = ".xml";
+              };
+            }
+          )
+          [
+            "2.0"
+            "3.0"
+            "4"
+            "5"
+          ]
+      );
+    };
+}

modules/gtksourceview/meta.nix

@@ -0,0 +1,5 @@
+{ lib, ... }:
+{
+  maintainers = [ lib.maintainers.bricked ];
+  name = "GTKSourceView";
+}

modules/gtksourceview/nixos.nix

@@ -0,0 +1,8 @@
+{ mkTarget, ... }:
+
+mkTarget {
+  name = "gtksourceview";
+  humanName = "GTKSourceView";
+
+  # Used to enable overlay.
+}

modules/gtksourceview/overlay.nix

@@ -0,0 +1,37 @@
+{ config, lib, ... }:
+let
+  inherit (lib) optionalAttrs;
+  inherit (config.lib.stylix) colors;
+
+  style = colors {
+    template = ./template.xml.mustache;
+    extension = ".xml";
+  };
+
+  attrsOverride = version: oldAttrs: {
+    postFixup = ''
+      ${oldAttrs.postFixup or ""}
+      styles_dir="$out/share/gtksourceview-${version}/styles"
+      mkdir --parents "$styles_dir"
+      cp ${style} "$styles_dir/stylix.xml"
+    '';
+  };
+in
+{
+  overlay =
+    _final: prev:
+    optionalAttrs
+      (
+        config.stylix.enable
+        && config.stylix.targets ? gtksourceview
+        && config.stylix.targets.gtksourceview.enable
+      )
+      {
+        gnome2.gtksourceview = prev.gnome2.gtksourceview.overrideAttrs (
+          attrsOverride "2.0"
+        );
+        gtksourceview = prev.gtksourceview.overrideAttrs (attrsOverride "3.0");
+        gtksourceview4 = prev.gtksourceview4.overrideAttrs (attrsOverride "4");
+        gtksourceview5 = prev.gtksourceview5.overrideAttrs (attrsOverride "5");
+      };
+}