List mode handling how I like it

diff --git a/.config/nvim/plugin/listmode.lua b/.config/nvim/plugin/listmode.lua
new file mode 100644 (file)
index 0000000..a0a4c05
--- /dev/null
+++ b/.config/nvim/plugin/listmode.lua
@@ -0,0 +1,28 @@
+vim.opt.list = true
+vim.opt.listchars = { tab = '⇝·', trail = '·', nbsp = '␣' }
+
+-- disable list mode when inserting stuff, otherwise keep it enabled, it's
+-- useful (see also setting lcs)
+listinsert = vim.api.nvim_create_augroup('listinsert', { clear = true })
+vim.api.nvim_create_autocmd('InsertEnter', {
+       desc = 'Disable list mode when starting to insert',
+       group = listinsert,
+       callback = function() vim.opt.list = false end
+})
+vim.api.nvim_create_autocmd('InsertLeave', {
+       desc = 'Enable list mode when leaving insert mode',
+       group = listinsert,
+       callback = function() vim.opt.list = true end
+})
+-- flag trailing spaces as error only when not inserting
+tsperrorinsert = vim.api.nvim_create_augroup('tsperrorinsert', { clear = true })
+vim.api.nvim_create_autocmd('InsertEnter', {
+       desc = 'Disable highlighting trailing spaces in insert mode',
+       group = tsperrorinsert,
+       callback = function() vim.cmd([[match none /\s\+$/]]) end
+})
+vim.api.nvim_create_autocmd('InsertLeave', {
+       desc = 'Enable highlighting trailing spaces outside of insert mode',
+       group = tsperrorinsert,
+       callback = function() vim.cmd([[match Error /\s\+$/]]) end
+})

diff --git a/.gitignore.d/neovim b/.gitignore.d/neovim
index 67f09bb304614351ecfb6cf8077168314bc281e2..b07238f7cac8851b478783eeb53d717698e988c0 100644 (file)
--- a/.gitignore.d/neovim
+++ b/.gitignore.d/neovim
@@ -1,5 +1,6 @@
 *
 !/.config/nvim/autoload/plug.vim
 !/.config/nvim/init.lua
+!/.config/nvim/plugin/listmode.lua
 !/.config/nvim/plugin/vim-artesanal.lua
 !/.gitignore.d/neovim