pkg(nixvim): Refactor ui module for nixvim

pkgs/nixvim/ui.nix

@@ -1,9 +0,0 @@
-{...}: {
-  colorschemes.gruvbox-material = {
-    enable = true;
-    autoLoad = true;
-  };
-  plugins = {
-    bufferline.enable = true;
-  };
-}

pkgs/nixvim/ui/bufferline.nix

@@ -0,0 +1,69 @@
+{...}: {
+  youthlic.plugins.bufferline = {
+    enable = true;
+    settings = {
+      options = {
+        close_command = {
+          __raw =
+            #lua
+            ''
+              function(n)
+                Snacks.bufdelete(n)
+              end
+            '';
+        };
+        right_mouse_command = {
+          __raw =
+            #lua
+            ''
+              function(n)
+                Snacks.bufdelete(n)
+              end
+            '';
+        };
+        diagnostics = "nvim_lsp";
+        always_show_bufferline = false;
+        diagnostics_indicator = {
+          __raw =
+            #lua
+            ''
+              function(_, _, diag)
+                local icons = {
+                  Error = " ",
+                  Warn = " ",
+                  Hint = " ",
+                  Info = " ",
+                }
+                local ret = (diag.error and icons.Error .. diag.error .. " " or "")
+                  .. (diag.warning and icons.Warn .. diag.warning or "")
+                return vim.trim(ret)
+              end
+            '';
+        };
+        offsets = [
+          {
+            filetype = "neo-tree";
+            text = "Neo-tree";
+            highlight = "Directory";
+            text_align = "left";
+          }
+          {
+            filetype = "snacks_layout_box";
+          }
+        ];
+        get_element_icon = {
+          __raw =
+            #lua
+            ''
+              function(opts)
+                local icons = {
+                  octo = "",
+                }
+                return icons[opts.filetype]
+              end
+            '';
+        };
+      };
+    };
+  };
+}

pkgs/nixvim/ui/colorschemes.nix

@@ -0,0 +1,7 @@
+{...}: {
+  colorschemes.gruvbox = {
+    enable = true;
+    settings = {
+    };
+  };
+}

pkgs/nixvim/ui/lualine.nix

@@ -0,0 +1,21 @@
+{...}: {
+  youthlic.plugins.lualine = {
+    enable = true;
+    luaConfig.pre =
+      #lua
+      ''
+        do
+          vim.g.lualine_laststatus = vim.o.laststatus
+          if vim.fn.argc(-1) > 0 then
+            vim.o.statusline = " "
+          else
+            vim.o.laststatus = 0
+          end
+        end
+        do
+          vim.o.laststatus = vim.g.lualine_laststatus
+        end
+      '';
+    settings = {};
+  };
+}