From c0914757e57e059989aaf9b6013ec8153b733df2 Mon Sep 17 00:00:00 2001
From: "Casper V. Kristensen" <casper@vkristensen.dk>
Date: Fri, 23 Aug 2024 00:07:35 +0200
Subject: [PATCH] vim: better signature help

---
 modules/base/vim.nix | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/modules/base/vim.nix b/modules/base/vim.nix
index 2f6d23c..670dd03 100644
--- a/modules/base/vim.nix
+++ b/modules/base/vim.nix
@@ -395,6 +395,20 @@
                 end,
               })
 
+              -- Overwrite signature help defaults
+              vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
+                vim.lsp.handlers.signature_help, {
+                  -- Show window above cursor to avoid clipping completions menu
+                  anchor_bias = "above",
+                  -- Keep open until leaving insert mode.
+                  -- Default: { CursorMoved, CursorMovedI, InsertCharPre }.
+                  close_events = { "CursorMoved", },
+                  -- Make floating window unfocusable. Allows updating parameter
+                  -- highlight with another <C-s> rather than focusing the window.
+                  focusable = false,
+                }
+              )
+
               -- The following keymaps are defined irregardless of the LSP
               -- server's capabilities since we would rather receive an error
               -- that the action is unsupported by the LSP server instead of doing