nvim: wip: add highlight

1 files changed, 34 insertions, 0 deletions

diff --git a/nvim/nvim/lua/highlight.lua b/nvim/nvim/lua/highlight.lua
new file mode 100644
index 0000000..2fe26e0
--- /dev/null
+++ b/nvim/nvim/lua/highlight.lua
@@ -0,0 +1,34 @@
+local ns = vim.api.nvim_create_namespace("highlight")
+
+-- Highlight when yanking (copying) text
+vim.api.nvim_create_autocmd('TextYankPost', {
+  desc = 'Highlight when yanking (copying) text',
+  group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
+  callback = function()
+    vim.highlight.on_yank()
+  end,
+})
+
+-- TODO:
+-- https://medium.com/@ankochem/neovim-highlighting-the-text-programmatically-with-lua-837fecfa36d2
+-- Highlight whatever the user selected
+-- function highlight_selection()
+--     local start  = vim.api.nvim_buf_get_mark(0, '[')
+--     local finish = vim.api.nvim_buf_get_mark(0, ']')
+--     start[1] = start[1] - 1
+--     if start[1] < 0 then start[1] = 0 end
+--     start[2] = start[2] + 1
+--     finish[1] = finish[1] - 1
+--     if finish[1] < 0 then finish[1] = 0 end
+--     finish[2] = finish[2] + 1
+--     vim.highlight.range(0, ns, "IncSearch", start, finish)
+-- end
+--
+-- function clean_highlight()
+--     vim.api.nvim_buf_clear_namespace(0, ns, 0, -1)
+--     vim.cmd("redraw")
+-- end
+--
+-- -- TODO
+-- vim.keymap.set('n', '<C-h>', highlight_selection)
+-- vim.keymap.set('n', '<C-l><C-l>', clean_highlight)