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302e59f734
Problem: Unable to discern windows used by the extui interface
to configure their local options.
'winblend' may be detrimental to legibility depending on the
colorscheme and 'background'.
Solution: Assign the "cmdline", "msgmore", "msgprompt" and "msgbox"
'filetype' to the respective windows.
Don't set 'winblend' for the message "box" window.
97 lines
3.8 KiB
Lua
97 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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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', '<C-w>c', {})
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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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