From 08ec842f0dd82bc84f864ad302881aeaa8bde908 Mon Sep 17 00:00:00 2001
From: Petr Hrdina <petr@phrdina.cz>
Date: Wed, 14 Jan 2026 23:06:50 +0100
Subject: [PATCH] Add file viewer

---
 lua/config/lazy.lua |  1 +
 lua/plugins/ui.lua  | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 lua/plugins/ui.lua

diff --git a/lua/config/lazy.lua b/lua/config/lazy.lua
index bd25982..f0c34d4 100644
--- a/lua/config/lazy.lua
+++ b/lua/config/lazy.lua
@@ -22,6 +22,7 @@ local plugins = {
   require("plugins.lsp"),           -- LSP
   require("plugins.telescope"),     -- fuzzy finder
   require("plugins.treesitter"),    -- syntax tree
+  require("plugins.ui"),            -- UI
 }
 
 require("lazy").setup(plugins)
diff --git a/lua/plugins/ui.lua b/lua/plugins/ui.lua
new file mode 100644
index 0000000..8e253e7
--- /dev/null
+++ b/lua/plugins/ui.lua
@@ -0,0 +1,36 @@
+return {
+  {
+    "nvim-tree/nvim-tree.lua",
+    dependencies = { "nvim-tree/nvim-web-devicons" }, -- optional, adds file icons
+    config = function()
+      require("nvim-tree").setup({
+        disable_netrw = true,        -- disable netrw (default file explorer)
+        hijack_netrw = true,         -- replace netrw with nvim-tree
+        open_on_tab = false,
+        hijack_cursor = false,
+        update_cwd = true,
+        diagnostics = {
+          enable = true,
+          icons = {
+            hint = "H",
+            info = "I",
+            warning = "W",
+            error = "E",
+          },
+        },
+        git = {
+          enable = false,
+        },
+        view = {
+          width = 30,
+          side = "left",
+          number = false,
+          relativenumber = false,
+        },
+      })
+
+      -- Optional keymap to toggle the tree
+      vim.keymap.set("n", "<leader>e", "<cmd>NvimTreeToggle<CR>", { desc = "Toggle file explorer" })
+    end,
+  },
+}