Adjusting COC

lua/coc.lua

@@ -0,0 +1,44 @@
+-- CoC configuration
+vim.g.coc_global_extensions = {
+	'coc-json',
+	'coc-html',
+	'coc-css',
+	'coc-python',
+	'coc-clangd',
+	'coc-rust-analyzer',
+	'coc-yaml',
+	'coc-tsserver',
+	'coc-lua',
+	'coc-sh',
+	'coc-go',
+	'coc-prettier',
+	'coc-eslint',
+	'coc-markdownlint',
+	'coc-vimlsp'
+}
+
+-- Use <Tab> and <S-Tab> to navigate completion list
+vim.keymap.set('i', '<Tab>', function()
+	if vim.fn['coc#pum#visible']() == 1 then
+		return vim.fn['coc#pum#next'](1)
+	else
+		return '<Tab>'
+	end
+end, { expr = true, silent = true })
+
+vim.keymap.set('i', '<S-Tab>', function()
+	if vim.fn['coc#pum#visible']() == 1 then
+		return vim.fn['coc#pum#prev'](1)
+	else
+		return '<S-Tab>'
+	end
+end, { expr = true, silent = true })
+
+-- Use <CR> to confirm completion
+vim.keymap.set('i', '<CR>', function()
+	if vim.fn['coc#pum#visible']() == 1 then
+		return vim.fn['coc#pum#confirm']()
+	else
+		return '<CR>'
+	end
+end, { expr = true, silent = true })

lua/utils/t3_functions.lua

@@ -187,10 +187,11 @@ vim.api.nvim_create_user_command("Vsplit", function()
 end, {})
 
 function _G.ShowDocumentation()
-	if vim.fn.CocAction("hasProvider", "hover") then
-		vim.fn.CocActionAsync("doHover")
+	local filetype = vim.bo.filetype
+	if filetype == "vim" or filetype == "help" then
+		vim.cmd("h " .. vim.fn.expand("<cword>"))
 	else
-		vim.cmd("h " .. vim.bo.filetype)
+		vim.fn.CocActionAsync("doHover")
 	end
 end