add nvim configs

1 files changed, 83 insertions, 0 deletions

diff --git a/.config/nvim/lua/config/autocmd.lua b/.config/nvim/lua/config/autocmd.lua
new file mode 100644
index 0000000..9cdb78d
--- /dev/null
+++ b/.config/nvim/lua/config/autocmd.lua
@@ -0,0 +1,83 @@
+local au = vim.api.nvim_create_autocmd
+local augroup = vim.api.nvim_create_augroup
+local ag = augroup("default", {})
+local ft = augroup("filetypes", {})
+
+-- shortly highlight yanks
+au("TextYankPost", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.highlight.on_yank({ higroup = "IncSearch", timeout = 250, on_visual = true })
+  end,
+})
+
+au("WinEnter", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.opt_local.cursorline = true
+  end,
+})
+au("WinLeave", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.opt_local.cursorline = false
+  end,
+})
+
+-- highlight extra whitespace
+local hlstmt = [[highlight ExtraWhitespace ctermbg=red guibg=red]]
+vim.cmd(hlstmt)
+au("ColorScheme", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.cmd(hlstmt)
+  end,
+})
+vim.cmd([[match ExtraWhitespace /\s\+$\| \+\ze\t/]])
+
+-- only show color col in insert mode
+au("InsertEnter", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.o.colorcolumn = "78"
+  end,
+})
+au("InsertLeave", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.o.colorcolumn = ""
+  end,
+})
+
+-- resize splits upon window resize
+au("VimResized", {
+  group = ag,
+  pattern = "*",
+  callback = function()
+    vim.cmd([[exe "normal! \<C-w>="]])
+  end,
+})
+
+-- ms word doc reading
+au("BufReadPre", {
+  group = ft,
+  pattern = "*.doc{x,}",
+  callback = function()
+    vim.opt_local.readonly = true
+  end,
+})
+vim.cmd([[au BufReadPost *.doc %!antiword "%"]])
+vim.cmd([[au BufReadPost *.docx %!docx2txt "%" -]])
+
+-- remove whitespace at the end of line
+au({ "BufWritePre" }, {
+  group = ag,
+  pattern = "*",
+  command = [[%s/\s\+$//e]],
+})