feature: smart move cursor.

lua/vfiler/extensions/bookmark/action.lua

@@ -12,6 +12,19 @@ local function select(extension, layout)
   extension:select(item.path, layout)
 end
 
+local function next_cursor(extension, step, limited)
+  local current = vim.fn.line('.')
+  local pos = current
+  repeat
+    pos = limited(extension, pos + step)
+    local item = extension:get_item(pos)
+    if (item.type ~= 'category') or not item.opened then
+      break
+    end
+  until pos == current
+  return pos
+end
+
 function action.change_category(extension)
   local item = extension:get_item()
   if item.type == 'category' then
@@ -101,4 +114,18 @@ function action.close_tree(extension)
   core.cursor.winmove(extension:winid(), extension:indexof(category))
 end
 
+function action.smart_cursor_down(extension)
+  local pos = next_cursor(extension, 1, function(ext, pos)
+    return (pos > ext:num_lines()) and 1 or pos
+  end)
+  core.cursor.winmove(extension:winid(), pos)
+end
+
+function action.smart_cursor_up(extension)
+  local pos = next_cursor(extension, -1, function(ext, pos)
+    return (pos < 1) and ext:num_lines() or pos
+  end)
+  core.cursor.winmove(extension:winid(), pos)
+end
+
 return action

lua/vfiler/extensions/bookmark/config.lua

@@ -10,8 +10,8 @@ M.configs = {
     ['c'] = action.change_category,
     ['dd'] = action.delete,
     ['h'] = action.close_tree,
-    ['j'] = action.loop_cursor_down,
-    ['k'] = action.loop_cursor_up,
+    ['j'] = action.smart_cursor_down,
+    ['k'] = action.smart_cursor_up,
     ['l'] = action.open_tree,
     ['q'] = action.quit,
     ['r'] = action.rename,