mirror of
https://github.com/neovim/neovim.git
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c973c7ae6f
Problem: Bulking message lines to write in a single API call is
complicated and still not correct w.r.t. overwriting
highlights.
Solution: Write each chunk pattern separately with it's highlight
such that it will be spliced correctly for message chunks
that contain a carriage return. Go with correctness over
performance until this proves to be too inefficient.
Also add an identifying name to the various extui buffers.
98 lines
3.8 KiB
Lua
98 lines
3.8 KiB
Lua
local api, o = vim.api, vim.o
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local M = {
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msg = nil, ---@type vim._extui.messages
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cmd = nil, ---@type vim._extui.cmdline
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ns = api.nvim_create_namespace('nvim._ext_ui'),
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augroup = api.nvim_create_augroup('nvim._ext_ui', {}),
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cmdheight = -1, -- 'cmdheight' option value set by user.
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-- Map of tabpage ID to box/cmd/more/prompt window IDs.
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wins = {}, ---@type { ['box'|'cmd'|'more'|'prompt']: integer }[]
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bufs = { box = -1, cmd = -1, more = -1, prompt = -1 },
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tab = 0, -- Current tabpage.
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cfg = {
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enable = true,
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msg = { -- Options related to the message module.
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---@type 'box'|'cmd' Type of window used to place messages, either in the
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---cmdline or in a separate ephemeral message box window.
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pos = 'cmd',
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box = { -- Options related to the message box window.
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timeout = 4000, -- Time a message is visible.
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},
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},
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},
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}
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local wincfg = { -- Default cfg for nvim_open_win().
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relative = 'laststatus',
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style = 'minimal',
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col = 0,
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row = 1,
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width = 10000,
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height = 1,
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noautocmd = true,
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}
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--- Ensure the various buffers and windows have not been deleted.
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function M.tab_check_wins()
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M.tab = api.nvim_get_current_tabpage()
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if not M.wins[M.tab] then
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M.wins[M.tab] = { box = -1, cmd = -1, more = -1, prompt = -1 }
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end
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for _, type in ipairs({ 'box', 'cmd', 'more', 'prompt' }) do
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if not api.nvim_buf_is_valid(M.bufs[type]) then
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M.bufs[type] = api.nvim_create_buf(false, true)
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api.nvim_buf_set_name(M.bufs[type], 'vim._extui.' .. type)
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if type == 'cmd' then
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-- Attach highlighter to the cmdline buffer.
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local parser = assert(vim.treesitter.get_parser(M.bufs.cmd, 'vim', {}))
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M.cmd.highlighter = vim.treesitter.highlighter.new(parser)
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elseif type == 'more' then
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-- Close more window with `q`, same as `checkhealth`
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api.nvim_buf_set_keymap(M.bufs.more, 'n', 'q', '<Cmd>wincmd c<CR>', {})
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end
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end
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local setopt = false
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if
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not api.nvim_win_is_valid(M.wins[M.tab][type])
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or not api.nvim_win_get_config(M.wins[M.tab][type]).zindex -- no longer floating
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then
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local top = { vim.opt.fcs:get().horiz or o.ambw == 'single' and '─' or '-', 'WinSeparator' }
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local border = (type == 'more' or type == 'prompt') and { '', top, '', '', '', '', '', '' }
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local cfg = vim.tbl_deep_extend('force', wincfg, {
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focusable = type == 'more',
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mouse = type ~= 'cmd' and true or nil,
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anchor = type ~= 'cmd' and 'SE' or nil,
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hide = type ~= 'cmd' or M.cmdheight == 0 or nil,
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title = type == 'more' and 'Messages' or nil,
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border = type == 'box' and not o.termguicolors and 'single' or border or 'none',
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-- kZIndexMessages < zindex < kZIndexCmdlinePopupMenu (grid_defs.h), 'more' below others.
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zindex = 200 - (type == 'more' and 1 or 0),
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_cmdline_offset = type == 'cmd' and 0 or nil,
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})
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M.wins[M.tab][type] = api.nvim_open_win(M.bufs[type], false, cfg)
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if type == 'cmd' then
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api.nvim_win_set_hl_ns(M.wins[M.tab][type], M.ns)
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end
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setopt = true
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elseif api.nvim_win_get_buf(M.wins[M.tab][type]) ~= M.bufs[type] then
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api.nvim_win_set_buf(M.wins[M.tab][type], M.bufs[type])
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setopt = true
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end
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if setopt then
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-- Fire a FileType autocommand with window context to let the user reconfigure local options.
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api.nvim_win_call(M.wins[M.tab][type], function()
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api.nvim_set_option_value('wrap', true, { scope = 'local' })
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api.nvim_set_option_value('linebreak', false, { scope = 'local' })
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api.nvim_set_option_value('smoothscroll', true, { scope = 'local' })
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local ft = type == 'cmd' and 'cmdline' or ('msg' .. type)
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api.nvim_set_option_value('filetype', ft, { scope = 'local' })
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api.nvim_set_option_value('eventignorewin', 'all', { scope = 'local' })
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end)
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end
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end
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end
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return M
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