feat: add more configuration options for modes.nvim

modules/ui/modes/config.nix

@@ -1,5 +1,4 @@
 {
-  pkgs,
   config,
   lib,
   ...
@@ -15,7 +14,13 @@ in {
 
     vim.luaConfigRC.modes-nvim = nvim.dag.entryAnywhere ''
       require('modes').setup({
-        set_cursorline = ${boolToString cfg.setCursorline}, -- looks ugly
+        set_cursorline = ${boolToString cfg.setCursorline},
+        colors = {
+          copy = "${toString cfg.colors.copy}",
+          delete = "${toString cfg.colors.delete}",
+          insert = "${toString cfg.colors.insert}",
+          visual = "${toString cfg.colors.visual}",
+        },
       })
     '';
   };

modules/ui/modes/modes.nix

@@ -7,7 +7,30 @@ with builtins; {
     setCursorline = mkOption {
       type = types.bool;
       description = "Set a colored cursorline on current line";
-      default = false;
+      default = false; # looks ugly, disabled by default
+    };
+
+    colors = {
+      copy = mkOption {
+        type = types.str;
+        description = "The #RRGGBB color code for the visual mode highlights";
+        default = "#f5c359";
+      };
+      delete = mkOption {
+        type = types.str;
+        description = "The #RRGGBB color code for the visual mode highlights";
+        default = "#c75c6a";
+      };
+      insert = mkOption {
+        type = types.str;
+        description = "The #RRGGBB color code for the visual mode highlights";
+        default = "#78ccc5";
+      };
+      visual = mkOption {
+        type = types.str;
+        description = "The #RRGGBB color code for the visual mode highlights";
+        default = "#9745be";
+      };
     };
   };
 }