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|
local api, o = vim.api, vim.o
local M = {
msg = nil, ---@type vim._extui.messages
cmd = nil, ---@type vim._extui.cmdline
ns = api.nvim_create_namespace('nvim._ext_ui'),
augroup = api.nvim_create_augroup('nvim._ext_ui', {}),
cmdheight = -1, -- 'cmdheight' option value set by user.
-- Map of tabpage ID to box/cmd/more/prompt window IDs.
wins = {}, ---@type { ['box'|'cmd'|'more'|'prompt']: integer }[]
bufs = { box = -1, cmd = -1, more = -1, prompt = -1 },
tab = 0, -- Current tabpage.
cfg = {
enable = true,
msg = { -- Options related to the message module.
---@type 'box'|'cmd' Type of window used to place messages, either in the
---cmdline or in a separate ephemeral message box window.
pos = 'cmd',
box = { -- Options related to the message box window.
timeout = 4000, -- Time a message is visible.
},
},
},
}
local wincfg = { -- Default cfg for nvim_open_win().
relative = 'laststatus',
style = 'minimal',
col = 0,
row = 1,
width = 10000,
height = 1,
noautocmd = true,
}
--- Ensure the various buffers and windows have not been deleted.
function M.tab_check_wins()
M.tab = api.nvim_get_current_tabpage()
if not M.wins[M.tab] then
M.wins[M.tab] = { box = -1, cmd = -1, more = -1, prompt = -1 }
end
for _, type in ipairs({ 'box', 'cmd', 'more', 'prompt' }) do
if not api.nvim_buf_is_valid(M.bufs[type]) then
M.bufs[type] = api.nvim_create_buf(false, true)
api.nvim_buf_set_name(M.bufs[type], 'vim._extui.' .. type)
if type == 'cmd' then
-- Attach highlighter to the cmdline buffer.
local parser = assert(vim.treesitter.get_parser(M.bufs.cmd, 'vim', {}))
M.cmd.highlighter = vim.treesitter.highlighter.new(parser)
elseif type == 'more' then
-- Close more window with `q`, same as `checkhealth`
api.nvim_buf_set_keymap(M.bufs.more, 'n', 'q', '<Cmd>wincmd c<CR>', {})
end
end
local setopt = false
if
not api.nvim_win_is_valid(M.wins[M.tab][type])
or not api.nvim_win_get_config(M.wins[M.tab][type]).zindex -- no longer floating
then
local top = { vim.opt.fcs:get().horiz or o.ambw == 'single' and '─' or '-', 'WinSeparator' }
local border = (type == 'more' or type == 'prompt') and { '', top, '', '', '', '', '', '' }
local cfg = vim.tbl_deep_extend('force', wincfg, {
focusable = type == 'more',
mouse = type ~= 'cmd' and true or nil,
anchor = type ~= 'cmd' and 'SE' or nil,
hide = type ~= 'cmd' or M.cmdheight == 0 or nil,
title = type == 'more' and 'Messages' or nil,
border = type == 'box' and not o.termguicolors and 'single' or border or 'none',
-- kZIndexMessages < zindex < kZIndexCmdlinePopupMenu (grid_defs.h), 'more' below others.
zindex = 200 - (type == 'more' and 1 or 0),
_cmdline_offset = type == 'cmd' and 0 or nil,
})
M.wins[M.tab][type] = api.nvim_open_win(M.bufs[type], false, cfg)
if type == 'cmd' then
api.nvim_win_set_hl_ns(M.wins[M.tab][type], M.ns)
end
setopt = true
elseif api.nvim_win_get_buf(M.wins[M.tab][type]) ~= M.bufs[type] then
api.nvim_win_set_buf(M.wins[M.tab][type], M.bufs[type])
setopt = true
end
if setopt then
-- Fire a FileType autocommand with window context to let the user reconfigure local options.
api.nvim_win_call(M.wins[M.tab][type], function()
api.nvim_set_option_value('wrap', true, { scope = 'local' })
api.nvim_set_option_value('linebreak', false, { scope = 'local' })
api.nvim_set_option_value('smoothscroll', true, { scope = 'local' })
local ft = type == 'cmd' and 'cmdline' or ('msg' .. type)
api.nvim_set_option_value('filetype', ft, { scope = 'local' })
api.nvim_set_option_value('eventignorewin', 'all', { scope = 'local' })
end)
end
end
end
return M
|
