109 lines
3.1 KiB
Lua
109 lines
3.1 KiB
Lua
-- rafi preview functions
|
|
-- https://github.com/rafi/vim-config
|
|
-- requires telescope
|
|
|
|
local M = {}
|
|
|
|
local opts = {}
|
|
|
|
local default_opts = {
|
|
popup = {
|
|
enter = false,
|
|
-- moved = 'any', -- doesn't work.
|
|
focusable = true,
|
|
noautocmd = true,
|
|
relative = 'cursor',
|
|
line = 'cursor-3',
|
|
col = 'cursor+27',
|
|
minwidth = math.ceil(vim.o.columns / 2),
|
|
minheight = math.ceil(vim.o.lines / 1.5),
|
|
border = true,
|
|
borderchars = { '─', '│', '─', '│', '╭', '╮', '╯', '╰' },
|
|
highlight = 'Normal',
|
|
borderhighlight = 'FloatBorder',
|
|
titlehighlight = 'Title',
|
|
zindex = 100,
|
|
},
|
|
}
|
|
|
|
opts = vim.deepcopy(default_opts)
|
|
|
|
---@param popup_state table
|
|
---@param augroup integer
|
|
local function close(popup_state, augroup)
|
|
vim.schedule(function()
|
|
local utils = require('telescope.utils')
|
|
pcall(vim.api.nvim_del_augroup_by_id, augroup)
|
|
utils.win_delete('preview_border_win', popup_state.win_id, true, true)
|
|
if popup_state.border and popup_state.border.win_id then
|
|
utils.win_delete(
|
|
'preview_border_win',
|
|
popup_state.border.win_id,
|
|
true,
|
|
true
|
|
)
|
|
end
|
|
end)
|
|
end
|
|
|
|
---@param user_opts table
|
|
function M.setup(user_opts)
|
|
user_opts = vim.F.if_nil(user_opts, {})
|
|
opts = vim.tbl_deep_extend('keep', user_opts, default_opts)
|
|
end
|
|
|
|
---@param path string
|
|
function M.open(path)
|
|
local bufnr = vim.api.nvim_get_current_buf()
|
|
local popup = require('plenary.popup')
|
|
opts.popup.title = path
|
|
local winid, popup_state = popup.create('', opts.popup)
|
|
local popup_bufnr = vim.api.nvim_win_get_buf(winid)
|
|
|
|
-- Ensure best viewing options are toggled.
|
|
local scope = { scope = 'local', win = winid }
|
|
vim.api.nvim_set_option_value('number', true, scope)
|
|
vim.api.nvim_set_option_value('relativenumber', false, scope)
|
|
vim.api.nvim_set_option_value('wrap', false, scope)
|
|
vim.api.nvim_set_option_value('spell', false, scope)
|
|
vim.api.nvim_set_option_value('list', false, scope)
|
|
vim.api.nvim_set_option_value('foldenable', false, scope)
|
|
vim.api.nvim_set_option_value('cursorline', false, scope)
|
|
vim.api.nvim_set_option_value('signcolumn', 'no', scope)
|
|
vim.api.nvim_set_option_value('colorcolumn', '', scope)
|
|
vim.api.nvim_set_option_value('winhighlight', 'Normal:NormalFloat', scope)
|
|
|
|
-- Run telescope preview.
|
|
local previewer = require('telescope.config').values.buffer_previewer_maker
|
|
previewer(path, popup_bufnr, {})
|
|
|
|
-- Setup close events
|
|
local augroup = vim.api.nvim_create_augroup('preview_window_' .. winid, {})
|
|
|
|
-- Close the preview window when entered a buffer that is not
|
|
-- the floating window buffer or the buffer that spawned it.
|
|
vim.api.nvim_create_autocmd('BufEnter', {
|
|
group = augroup,
|
|
callback = function()
|
|
-- close preview unless we're in original window or popup window
|
|
local bufnrs = { popup_bufnr, bufnr }
|
|
if not vim.tbl_contains(bufnrs, vim.api.nvim_get_current_buf()) then
|
|
close(popup_state, augroup)
|
|
end
|
|
end,
|
|
})
|
|
|
|
-- Create autocommands to close a preview window when events happen.
|
|
local events = { 'CursorMoved', 'BufUnload', 'InsertCharPre', 'ModeChanged' }
|
|
vim.api.nvim_create_autocmd(events, {
|
|
group = augroup,
|
|
buffer = bufnr,
|
|
once = true,
|
|
callback = function()
|
|
close(popup_state, augroup)
|
|
end,
|
|
})
|
|
end
|
|
|
|
return M
|