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https://github.com/neovim/neovim
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0418107074
Problem: Nvim tries to use OSC 52 even when no TUIs are attached. Solution: On each UIEnter/UILeave event, check that there is a TUI client connected to Nvim's stdout.
73 lines
2.1 KiB
Lua
73 lines
2.1 KiB
Lua
--- @class (private) TermFeatures
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--- @field osc52 boolean?
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local id = vim.api.nvim_create_augroup('nvim.osc52', { clear = true })
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vim.api.nvim_create_autocmd('UIEnter', {
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group = id,
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desc = 'Enable OSC 52 feature flag if a supporting TUI is attached',
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callback = function()
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-- If OSC 52 is explicitly disabled by the user then don't do anything
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if vim.g.termfeatures ~= nil and vim.g.termfeatures.osc52 == false then
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return
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end
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local tty = false
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for _, ui in ipairs(vim.api.nvim_list_uis()) do
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if ui.stdout_tty then
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tty = true
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break
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end
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end
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-- Do not query when any of the following is true:
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-- * No TUI is attached
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-- * Using a badly behaved terminal
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if not tty or vim.env.TERM_PROGRAM == 'Apple_Terminal' then
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local termfeatures = vim.g.termfeatures or {} ---@type TermFeatures
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termfeatures.osc52 = nil
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vim.g.termfeatures = termfeatures
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return
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end
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require('vim.termcap').query('Ms', function(cap, found, seq)
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if not found then
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return
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end
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assert(cap == 'Ms')
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-- If the terminal reports a sequence other than OSC 52 for the Ms capability
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-- then ignore it. We only support OSC 52 (for now)
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if not seq or not seq:match('^\027%]52') then
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return
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end
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local termfeatures = vim.g.termfeatures or {} ---@type TermFeatures
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termfeatures.osc52 = true
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vim.g.termfeatures = termfeatures
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end)
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end,
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})
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vim.api.nvim_create_autocmd('UILeave', {
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group = id,
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desc = 'Reset OSC 52 feature flag if no TUIs are attached',
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callback = function()
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-- If OSC 52 is explicitly disabled by the user then don't do anything
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if vim.g.termfeatures ~= nil and vim.g.termfeatures.osc52 == false then
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return
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end
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-- If no TUI is connected to Nvim's stdout then reset the OSC 52 term features flag
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for _, ui in ipairs(vim.api.nvim_list_uis()) do
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if ui.stdout_tty then
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return
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end
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end
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local termfeatures = vim.g.termfeatures or {} ---@type TermFeatures
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termfeatures.osc52 = nil
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vim.g.termfeatures = termfeatures
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end,
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})
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