fix(lsp): exclude locations that match the current line

lua/trouble/filter.lua

@@ -1,12 +1,13 @@
 local M = {}
 
-local function overlaps(pos, item)
-  return (pos[1] > item.pos[1] or (pos[1] == item.pos[1] and pos[2] >= item.pos[2]))
-    and (pos[1] < item.end_pos[1] or (pos[1] == item.end_pos[1] and pos[2] <= item.end_pos[2]))
-end
-
-local function overlaps_lines(pos, item)
-  return pos[1] >= item.pos[1] and pos[1] <= item.end_pos[1]
+---@param opts? {lines:boolean}
+function M.overlaps(pos, item, opts)
+  if opts and opts.lines then
+    return pos[1] >= item.pos[1] and pos[1] <= item.end_pos[1]
+  else
+    return (pos[1] > item.pos[1] or (pos[1] == item.pos[1] and pos[2] >= item.pos[2]))
+      and (pos[1] < item.end_pos[1] or (pos[1] == item.end_pos[1] and pos[2] <= item.end_pos[2]))
+  end
 end
 
 ---@alias trouble.Filter.ctx {opts:trouble.Config, main?:trouble.Main}
@@ -32,9 +33,9 @@ M.filters = {
     end
     local range = item.range --[[@as trouble.Item]]
     if range then
-      return overlaps_lines(main.cursor, range)
+      return M.overlaps(main.cursor, range, { lines = true })
     else
-      return overlaps_lines(main.cursor, item)
+      return M.overlaps(main.cursor, item, { lines = true })
     end
   end,
   ["not"] = function(item, filter, ctx)

lua/trouble/sources/lsp.lua

@@ -1,4 +1,5 @@
 local Cache = require("trouble.cache")
+local Filter = require("trouble.filter")
 local Item = require("trouble.item")
 local Util = require("trouble.util")
 
@@ -267,8 +268,15 @@ function M.get_items(client, locations)
   ---@cast locations (lsp.Location|lsp.LocationLink)[]
   local items = {} ---@type trouble.Item[]
 
+  local cursor = vim.api.nvim_win_get_cursor(0)
+  local fname = vim.api.nvim_buf_get_name(0)
+  fname = vim.fs.normalize(fname)
+
   for _, loc in ipairs(locations) do
-    items[#items + 1] = M.location_to_item(client, loc)
+    local item = M.location_to_item(client, loc)
+    if not (item.filename == fname and Filter.overlaps(cursor, item)) then
+      items[#items + 1] = item
+    end
   end
 
   Item.add_text(items, { mode = "full" })