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-- Actions functions that are useful for people creating their own mappings.
local a = vim.api
local log = require('telescope.log')
local state = require('telescope.state')
local actions = setmetatable({}, {
__index = function(_, k)
error("Actions does not have a value: " .. tostring(k))
end
})
--- Get the current picker object for the prompt
function actions.get_current_picker(prompt_bufnr)
return state.get_status(prompt_bufnr).picker
end
--- Move the current selection of a picker {change} rows.
--- Handles not overflowing / underflowing the list.
function actions.shift_current_selection(prompt_bufnr, change)
actions.get_current_picker(prompt_bufnr):move_selection(change)
end
function actions.move_selection_next(prompt_bufnr)
actions.shift_current_selection(prompt_bufnr, 1)
end
function actions.move_selection_previous(prompt_bufnr)
actions.shift_current_selection(prompt_bufnr, -1)
end
--- Get the current entry
function actions.get_selected_entry(prompt_bufnr)
return actions.get_current_picker(prompt_bufnr):get_selection()
end
function actions.preview_scrolling_up(prompt_bufnr)
actions.get_current_picker(prompt_bufnr).previewer:scroll_fn(-30)
end
function actions.preview_scrolling_down(prompt_bufnr)
actions.get_current_picker(prompt_bufnr).previewer:scroll_fn(30)
end
-- TODO: It seems sometimes we get bad styling.
local function goto_file_selection(prompt_bufnr, command)
local picker = actions.get_current_picker(prompt_bufnr)
local entry = actions.get_selected_entry(prompt_bufnr)
if not entry then
print("[telescope] Nothing currently selected")
return
else
local filename, row, col
if entry.filename then
filename = entry.path or entry.filename
-- TODO: Check for off-by-one
row = entry.row or entry.lnum
col = entry.col
else
-- TODO: Might want to remove this and force people
-- to put stuff into `filename`
local value = entry.value
if not value then
print("Could not do anything with blank line...")
return
end
if type(value) == "table" then
value = entry.display
end
local sections = vim.split(value, ":")
filename = sections[1]
row = tonumber(sections[2])
col = tonumber(sections[3])
end
local preview_win = state.get_status(prompt_bufnr).preview_win
if preview_win then
a.nvim_win_set_config(preview_win, {style = ''})
end
local original_win_id = picker.original_win_id or 0
local entry_bufnr = entry.bufnr
actions.close(prompt_bufnr)
-- TODO: Sometimes we open something with missing line numbers and stuff...
if entry_bufnr then
if command == "e" then
a.nvim_win_set_buf(original_win_id, entry_bufnr)
vim.api.nvim_command("doautocmd filetypedetect BufRead " .. vim.fn.fnameescape(filename))
else
vim.cmd(string.format(":%s #%d", command, entry_bufnr))
end
else
vim.cmd(string.format(":%s %s", command, filename))
local bufnr = vim.api.nvim_get_current_buf()
a.nvim_buf_set_option(bufnr, 'buflisted', true)
if row and col then
local ok, err_msg = pcall(a.nvim_win_set_cursor, 0, {row, col})
if not ok then
log.debug("Failed to move to cursor:", err_msg)
end
end
end
end
end
function actions.goto_file_selection_edit(prompt_bufnr)
goto_file_selection(prompt_bufnr, "e")
end
function actions.goto_file_selection_split(prompt_bufnr)
goto_file_selection(prompt_bufnr, "sp")
end
function actions.goto_file_selection_vsplit(prompt_bufnr)
goto_file_selection(prompt_bufnr, "vsp")
end
function actions.goto_file_selection_tabedit(prompt_bufnr)
goto_file_selection(prompt_bufnr, "tabe")
end
function actions.close_pum(_)
if 0 ~= vim.fn.pumvisible() then
vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes("<c-y>", true, true, true), 'n', true)
end
end
function actions.close(prompt_bufnr)
local picker = actions.get_current_picker(prompt_bufnr)
local prompt_win = state.get_status(prompt_bufnr).prompt_win
local original_win_id = picker.original_win_id
if picker.previewer then
picker.previewer:teardown()
end
actions.close_pum(prompt_bufnr)
vim.cmd [[stopinsert]]
vim.api.nvim_win_close(prompt_win, true)
pcall(vim.cmd, string.format([[bdelete! %s]], prompt_bufnr))
a.nvim_set_current_win(original_win_id)
end
actions.set_command_line = function(prompt_bufnr)
local entry = actions.get_selected_entry(prompt_bufnr)
actions.close(prompt_bufnr)
vim.cmd(entry.value)
end
-- TODO: Think about how to do this.
actions.insert_value = function(prompt_bufnr)
local entry = actions.get_selected_entry(prompt_bufnr)
vim.schedule(function()
actions.close(prompt_bufnr)
end)
return entry.value
end
return actions
|
