rofi: add support for lists in rasi (#1768)

This is now supported without the need of using to represent them:
9a843caa86/Official%20Themes/solarized.rasi (L134)

modules/programs/rofi.nix

@@ -112,6 +112,8 @@ let
       value.value
     else if isString value then
       ''"${value}"''
+    else if isList value then
+      "[ ${strings.concatStringsSep "," (map mkValueString value)} ]"
     else
       abort "Unhandled value type ${builtins.typeOf value}";
 
@@ -145,7 +147,9 @@ let
     left = 8;
   };
 
-  configType = with types; attrsOf (oneOf [ str int bool rasiLiteral ]);
+  primitive = with types; (oneOf [ str int bool rasiLiteral ]);
+
+  configType = with types; attrsOf (either primitive (listOf primitive));
 
   rasiLiteral = types.submodule {
     options = {
@@ -331,15 +335,20 @@ in {
       default = null;
       type = with types; nullOr (oneOf [ str path themeType ]);
       example = literalExample ''
-        with config.lib.formats.rasi; {
+        let
+          inherit (config.lib.formats.rasi) mkLiteral;
+        in {
           "*" = {
-            # config.lib.formats.rasi.mkLiteral unquotes the value
             background-color = mkLiteral "#000000";
             foreground-color = mkLiteral "rgba ( 250, 251, 252, 100 % )";
             border-color = mkLiteral "#FFFFFF";
             width = 512;
           };
 
+          "#inputbar" = {
+            children = map mkLiteral [ "prompt" "entry" ];
+          };
+
           "#textbox-prompt-colon" = {
             expand = false;
             str = ":";

tests/modules/programs/rofi/custom-theme.nix

@@ -7,7 +7,8 @@ with lib;
     programs.rofi = {
       enable = true;
 
-      theme = with config.lib.formats.rasi; {
+      theme = let inherit (config.lib.formats.rasi) mkLiteral;
+      in {
         "*" = {
           background-color = mkLiteral "#000000";
           foreground-color = mkLiteral "rgba ( 250, 251, 252, 100 % )";
@@ -15,6 +16,8 @@ with lib;
           width = 512;
         };
 
+        "#inputbar" = { children = map mkLiteral [ "prompt" "entry" ]; };
+
         "#textbox-prompt-colon" = {
           expand = false;
           str = ":";

tests/modules/programs/rofi/custom-theme.rasi

@@ -1,3 +1,7 @@
+#inputbar {
+children: [ prompt,entry ];
+}
+
 #textbox-prompt-colon {
 expand: false;
 margin: 0px 0.3em 0em 0em;