From 308254ad72ba1daddd14f43e510e58143e8135e9 Mon Sep 17 00:00:00 2001
From: Maximilian Friedersdorff <max@gwairfelin.com>
Date: Tue, 25 Mar 2025 14:46:13 +0000
Subject: [PATCH] Install symbol-usage

---
 .../nvim/lua/plugins/symbol-usage.lua         | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 home/dot_config/nvim/lua/plugins/symbol-usage.lua

diff --git a/home/dot_config/nvim/lua/plugins/symbol-usage.lua b/home/dot_config/nvim/lua/plugins/symbol-usage.lua
new file mode 100644
index 0000000..f6169e3
--- /dev/null
+++ b/home/dot_config/nvim/lua/plugins/symbol-usage.lua
@@ -0,0 +1,69 @@
+return {
+  "Wansmer/symbol-usage.nvim",
+  event = "LspAttach", -- need run before LspAttach if you use nvim 0.9. On 0.10 use 'LspAttach'
+  config = function()
+    local function h(name)
+      return vim.api.nvim_get_hl(0, { name = name })
+    end
+
+    -- hl-groups can have any name
+    vim.api.nvim_set_hl(0, "SymbolUsageRounding", { fg = h("CursorLine").bg, italic = true })
+    vim.api.nvim_set_hl(0, "SymbolUsageContent", { bg = h("CursorLine").bg, fg = h("Comment").fg, italic = true })
+    vim.api.nvim_set_hl(0, "SymbolUsageRef", { fg = h("Function").fg, bg = h("CursorLine").bg, italic = true })
+    vim.api.nvim_set_hl(0, "SymbolUsageDef", { fg = h("Type").fg, bg = h("CursorLine").bg, italic = true })
+    vim.api.nvim_set_hl(0, "SymbolUsageImpl", { fg = h("@keyword").fg, bg = h("CursorLine").bg, italic = true })
+
+    local function text_format(symbol)
+      local res = {}
+
+      local round_start = { "", "SymbolUsageRounding" }
+      local round_end = { "", "SymbolUsageRounding" }
+
+      -- Indicator that shows if there are any other symbols in the same line
+      local stacked_functions_content = symbol.stacked_count > 0 and ("+%s"):format(symbol.stacked_count) or ""
+
+      if symbol.references then
+        local usage = symbol.references <= 1 and "usage" or "usages"
+        local num = symbol.references == 0 and "no" or symbol.references
+        table.insert(res, round_start)
+        table.insert(res, { "󰌹 ", "SymbolUsageRef" })
+        table.insert(res, { ("%s %s"):format(num, usage), "SymbolUsageContent" })
+        table.insert(res, round_end)
+      end
+
+      if symbol.definition then
+        if #res > 0 then
+          table.insert(res, { " ", "NonText" })
+        end
+        table.insert(res, round_start)
+        table.insert(res, { "󰳽 ", "SymbolUsageDef" })
+        table.insert(res, { symbol.definition .. " defs", "SymbolUsageContent" })
+        table.insert(res, round_end)
+      end
+
+      if symbol.implementation then
+        if #res > 0 then
+          table.insert(res, { " ", "NonText" })
+        end
+        table.insert(res, round_start)
+        table.insert(res, { "󰡱 ", "SymbolUsageImpl" })
+        table.insert(res, { symbol.implementation .. " impls", "SymbolUsageContent" })
+        table.insert(res, round_end)
+      end
+
+      if stacked_functions_content ~= "" then
+        if #res > 0 then
+          table.insert(res, { " ", "NonText" })
+        end
+        table.insert(res, round_start)
+        table.insert(res, { " ", "SymbolUsageImpl" })
+        table.insert(res, { stacked_functions_content, "SymbolUsageContent" })
+        table.insert(res, round_end)
+      end
+
+      return res
+    end
+
+    require("symbol-usage").setup({ text_format = text_format })
+  end,
+}