feat: add 'update_on_cursor_moved' option to preview window (#250)

doc/oil.txt

@@ -134,6 +134,8 @@ OPTIONS                                                              *oil-option
         win_options = {
           winblend = 0,
         },
+        -- Whether the preview window is automatically updated when the cursor is moved
+        update_on_cursor_moved = true,
       },
       -- Configuration for the floating progress window
       progress = {

lua/oil/config.lua

@@ -120,6 +120,8 @@ local default_config = {
     win_options = {
       winblend = 0,
     },
+    -- Whether the preview window is automatically updated when the cursor is moved
+    update_on_cursor_moved = true,
   },
   -- Configuration for the floating progress window
   progress = {

lua/oil/view.lua

@@ -364,34 +364,36 @@ M.initialize = function(bufnr)
         end
       end
 
-      -- Debounce and update the preview window
+      if config.preview.update_on_cursor_moved then
-      if timer then
+        -- Debounce and update the preview window
-        timer:again()
+        if timer then
-        return
+          timer:again()
-      end
+          return
-      timer = vim.loop.new_timer()
+        end
-      if not timer then
+        timer = vim.loop.new_timer()
-        return
+        if not timer then
-      end
+          return
-      timer:start(10, 100, function()
+        end
-        timer:stop()
+        timer:start(10, 100, function()
-        timer:close()
+          timer:stop()
-        timer = nil
+          timer:close()
-        vim.schedule(function()
+          timer = nil
-          if vim.api.nvim_get_current_buf() ~= bufnr then
+          vim.schedule(function()
-            return
+            if vim.api.nvim_get_current_buf() ~= bufnr then
-          end
+              return
-          local entry = oil.get_cursor_entry()
+            end
-          if entry then
+            local entry = oil.get_cursor_entry()
-            local winid = util.get_preview_win()
+            if entry then
-            if winid then
+              local winid = util.get_preview_win()
-              if entry.id ~= vim.w[winid].oil_entry_id then
+              if winid then
-                oil.select({ preview = true })
+                if entry.id ~= vim.w[winid].oil_entry_id then
+                  oil.select({ preview = true })
+                end
               end
             end
-          end
+          end)
         end)
-      end)
+      end
     end,
   })