Custom borders for hovering and diagnostics

lua/utils/after.lua

@@ -0,0 +1,21 @@
+local function rounded_border()
+	return { '╭', '─', '╮', '│', '╯', '─', '╰', '│' }
+end
+
+-- Buffer the original fuction
+local nvim_open_win = vim.api.nvim_open_win
+
+-- Set color to a slight gray
+vim.api.nvim_set_hl(0, 'FloatBorder', { bg = 'None', fg = '#a0a0a0' })
+vim.api.nvim_set_hl(0, 'NormalFloat', { bg = 'None' })
+
+-- Border overwrite
+vim.api.nvim_open_win = function(buf, enter, opts)
+	opts = opts or {}
+
+	if opts.border == nil then
+		opts.border = rounded_border()
+	end
+
+	return nvim_open_win(buf, enter, opts)
+end