336 lines
10 KiB
Lua
336 lines
10 KiB
Lua
local event = require('cmp.utils.event')
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local autocmd = require('cmp.utils.autocmd')
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local feedkeys = require('cmp.utils.feedkeys')
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local window = require('cmp.utils.window')
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local config = require('cmp.config')
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local types = require('cmp.types')
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local keymap = require('cmp.utils.keymap')
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local api = require('cmp.utils.api')
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local SIDE_PADDING = 1
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---@class cmp.CustomEntriesView
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---@field private entries_win cmp.Window
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---@field private offset number
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---@field private entries cmp.Entry[]
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---@field private column_width any
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---@field public event cmp.Event
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local custom_entries_view = {}
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custom_entries_view.ns = vim.api.nvim_create_namespace('cmp.view.custom_entries_view')
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custom_entries_view.new = function()
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local self = setmetatable({}, { __index = custom_entries_view })
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self.entries_win = window.new()
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self.entries_win:option('conceallevel', 2)
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self.entries_win:option('concealcursor', 'n')
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self.entries_win:option('cursorlineopt', 'line')
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self.entries_win:option('foldenable', false)
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self.entries_win:option('wrap', false)
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self.entries_win:option('scrolloff', 0)
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self.entries_win:option('winhighlight', 'Normal:Pmenu,FloatBorder:Pmenu,CursorLine:PmenuSel,Search:None')
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self.event = event.new()
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self.offset = -1
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self.entries = {}
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autocmd.subscribe(
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'CompleteChanged',
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vim.schedule_wrap(function()
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if self:visible() and vim.fn.pumvisible() == 1 then
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self:close()
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end
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end)
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)
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vim.api.nvim_set_decoration_provider(custom_entries_view.ns, {
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on_win = function(_, win, buf, top, bot)
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if win ~= self.entries_win.win then
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return
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end
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local fields = config.get().formatting.fields
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for i = top, bot do
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local e = self.entries[i + 1]
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if e then
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local v = e:get_view(self.offset)
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local o = SIDE_PADDING
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local a = 0
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for _, field in ipairs(fields) do
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if field == types.cmp.ItemField.Abbr then
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a = o
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end
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vim.api.nvim_buf_set_extmark(buf, custom_entries_view.ns, i, o, {
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end_line = i,
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end_col = o + v[field].bytes,
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hl_group = v[field].hl_group,
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hl_mode = 'combine',
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ephemeral = true,
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})
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o = o + v[field].bytes + (self.column_width[field] - v[field].width) + 1
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end
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for _, m in ipairs(e.matches or {}) do
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vim.api.nvim_buf_set_extmark(buf, custom_entries_view.ns, i, a + m.word_match_start - 1, {
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end_line = i,
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end_col = a + m.word_match_end,
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hl_group = m.fuzzy and 'CmpItemAbbrMatchFuzzy' or 'CmpItemAbbrMatch',
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hl_mode = 'combine',
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ephemeral = true,
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})
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end
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end
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end
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end,
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})
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return self
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end
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custom_entries_view.ready = function()
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return vim.fn.pumvisible() == 0
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end
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custom_entries_view.on_change = function(self)
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if self:visible() and self:get_active_entry() then
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self.entries_win:option('cursorline', false)
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vim.api.nvim_win_set_cursor(self.entries_win.win, { 1, 1 })
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end
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end
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custom_entries_view.open = function(self, offset, entries)
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self.offset = offset
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self.entries = {}
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self.column_width = { abbr = 0, kind = 0, menu = 0 }
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-- Apply window options (that might be changed) on the custom completion menu.
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self.entries_win:option('winblend', vim.o.pumblend)
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local lines = {}
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local dedup = {}
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local preselect = 0
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local i = 1
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for _, e in ipairs(entries) do
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local view = e:get_view(offset)
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if view.dup == 1 or not dedup[e.completion_item.label] then
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dedup[e.completion_item.label] = true
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self.column_width.abbr = math.max(self.column_width.abbr, view.abbr.width)
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self.column_width.kind = math.max(self.column_width.kind, view.kind.width)
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self.column_width.menu = math.max(self.column_width.menu, view.menu.width)
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table.insert(self.entries, e)
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table.insert(lines, ' ')
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if preselect == 0 and e.completion_item.preselect then
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preselect = i
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end
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i = i + 1
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end
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end
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vim.api.nvim_buf_set_lines(self.entries_win:get_buffer(), 0, -1, false, lines)
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local width = 0
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width = width + 1
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width = width + self.column_width.abbr + (self.column_width.kind > 0 and 1 or 0)
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width = width + self.column_width.kind + (self.column_width.menu > 0 and 1 or 0)
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width = width + self.column_width.menu + 1
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local pos = api.get_screen_cursor()
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local height = vim.api.nvim_get_option('pumheight')
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height = height == 0 and #self.entries or height
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height = math.min(height, #self.entries)
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if (vim.o.lines - pos[1]) <= 8 and pos[1] - 8 > 0 then
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height = math.min(height, pos[1] - 1)
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pos[1] = pos[1] - height - 1
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else
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height = math.min(height, vim.o.lines - pos[1])
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end
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if width < 1 or height < 1 then
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return
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end
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local cursor = api.get_cursor()
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local delta = cursor[2] + 1 - self.offset
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local row, col = pos[1], pos[2] - delta - 1
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self.entries_win:open({
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relative = 'editor',
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style = 'minimal',
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row = math.max(0, row),
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col = math.max(0, col),
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width = width,
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height = height,
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zindex = 1001,
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})
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vim.api.nvim_win_set_cursor(self.entries_win.win, { 1, 1 })
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self.entries_win:option('cursorline', false)
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if preselect > 0 and config.get().preselect == types.cmp.PreselectMode.Item then
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self:preselect(preselect)
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elseif not string.match(config.get().completion.completeopt, 'noselect') then
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self:preselect(1)
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else
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self:draw()
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end
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self.event:emit('change')
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end
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custom_entries_view.close = function(self)
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self.prefix = nil
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self.offset = -1
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self.entries = {}
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self.entries_win:close()
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end
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custom_entries_view.abort = function(self)
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if self.prefix then
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self:_insert(self.prefix)
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end
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feedkeys.call('', 'n', function()
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self:close()
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end)
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end
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custom_entries_view.draw = function(self)
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local info = vim.fn.getwininfo(self.entries_win.win)[1]
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local topline = info.topline - 1
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local botline = info.topline + info.height - 1
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local texts = {}
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local fields = config.get().formatting.fields
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for i = topline, botline - 1 do
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local e = self.entries[i + 1]
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if e then
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local view = e:get_view(self.offset)
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local text = {}
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table.insert(text, string.rep(' ', SIDE_PADDING))
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for _, field in ipairs(fields) do
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table.insert(text, view[field].text)
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table.insert(text, string.rep(' ', 1 + self.column_width[field] - view[field].width))
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end
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table.insert(text, string.rep(' ', SIDE_PADDING))
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table.insert(texts, table.concat(text, ''))
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end
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end
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vim.api.nvim_buf_set_lines(self.entries_win:get_buffer(), topline, botline, false, texts)
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if api.is_cmdline_mode() then
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vim.api.nvim_win_call(self.entries_win.win, function()
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vim.cmd([[redraw]])
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end)
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end
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end
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custom_entries_view.visible = function(self)
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return self.entries_win:visible()
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end
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custom_entries_view.info = function(self)
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return self.entries_win:info()
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end
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custom_entries_view.preselect = function(self, index)
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if self:visible() then
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if index <= #self.entries then
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self.entries_win:option('cursorline', true)
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vim.api.nvim_win_set_cursor(self.entries_win.win, { index, 1 })
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self.entries_win:update()
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self:draw()
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end
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end
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end
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custom_entries_view.select_next_item = function(self, option)
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if self.entries_win:visible() then
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local cursor = vim.api.nvim_win_get_cursor(self.entries_win.win)[1] + 1
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if not self.entries_win:option('cursorline') then
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cursor = 1
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elseif #self.entries < cursor then
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cursor = 0
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end
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self:_select(cursor, option)
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end
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end
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custom_entries_view.select_prev_item = function(self, option)
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if self.entries_win:visible() then
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local cursor = vim.api.nvim_win_get_cursor(self.entries_win.win)[1] - 1
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if not self.entries_win:option('cursorline') then
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cursor = #self.entries
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end
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self:_select(cursor, option)
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end
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end
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custom_entries_view.get_first_entry = function(self)
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if self.entries_win:visible() then
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return self.entries[1]
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end
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end
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custom_entries_view.get_selected_entry = function(self)
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if self.entries_win:visible() and self.entries_win:option('cursorline') then
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return self.entries[vim.api.nvim_win_get_cursor(self.entries_win.win)[1]]
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end
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end
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custom_entries_view.get_active_entry = function(self)
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if self.entries_win:visible() and self.entries_win:option('cursorline') then
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local cursor = vim.api.nvim_win_get_cursor(self.entries_win.win)
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if cursor[2] == 0 then
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return self:get_selected_entry()
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end
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end
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end
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custom_entries_view._select = function(self, cursor, option)
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local is_insert = (option.behavior or types.cmp.SelectBehavior.Insert) == types.cmp.SelectBehavior.Insert
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if is_insert then
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if vim.api.nvim_win_get_cursor(self.entries_win.win)[2] == 1 then
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self.prefix = string.sub(api.get_current_line(), self.offset, api.get_cursor()[2]) or ''
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end
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end
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self.entries_win:option('cursorline', cursor > 0)
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vim.api.nvim_win_set_cursor(self.entries_win.win, { math.max(cursor, 1), is_insert and 0 or 1 })
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if is_insert then
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self:_insert(self.entries[cursor] and self.entries[cursor]:get_vim_item(self.offset).word or self.prefix)
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end
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self.entries_win:update()
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self:draw()
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self.event:emit('change')
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end
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custom_entries_view._insert = setmetatable({
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pending = false,
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}, {
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__call = function(this, self, word)
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word = word or ''
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if api.is_cmdline_mode() then
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local cursor = api.get_cursor()
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local length = vim.str_utfindex(string.sub(api.get_current_line(), self.offset, cursor[2]))
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vim.api.nvim_feedkeys(keymap.backspace(length) .. word, 'int', true)
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else
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if this.pending then
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return
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end
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this.pending = true
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local release = require('cmp').suspend()
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feedkeys.call('', '', function()
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local cursor = api.get_cursor()
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feedkeys.call(
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keymap.backspace(1 + cursor[2] - self.offset) .. word,
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'int',
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vim.schedule_wrap(function()
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this.pending = false
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release()
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end)
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)
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end)
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end
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end,
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})
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return custom_entries_view
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