622 lines
19 KiB
Lua
622 lines
19 KiB
Lua
local core = require "core"
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local command = require "core.command"
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local common = require "core.common"
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local config = require "core.config"
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local translate = require "core.doc.translate"
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local DocView = require "core.docview"
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local function dv()
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return core.active_view
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end
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local function doc()
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return core.active_view.doc
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end
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local function doc_multiline_selections(sort)
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local iter, state, idx, line1, col1, line2, col2 = doc():get_selections(sort)
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return function()
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idx, line1, col1, line2, col2 = iter(state, idx)
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if idx and line2 > line1 and col2 == 1 then
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line2 = line2 - 1
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col2 = #doc().lines[line2]
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end
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return idx, line1, col1, line2, col2
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end
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end
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local function append_line_if_last_line(line)
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if line >= #doc().lines then
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doc():insert(line, math.huge, "\n")
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end
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end
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local function save(filename)
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local abs_filename
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if filename then
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filename = core.normalize_to_project_dir(filename)
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abs_filename = core.project_absolute_path(filename)
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end
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doc():save(filename, abs_filename)
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local saved_filename = doc().filename
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core.log("Saved \"%s\"", saved_filename)
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end
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local function cut_or_copy(delete)
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local full_text = ""
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local text = ""
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core.cursor_clipboard = {}
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core.cursor_clipboard_whole_line = {}
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for idx, line1, col1, line2, col2 in doc():get_selections() do
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if line1 ~= line2 or col1 ~= col2 then
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text = doc():get_text(line1, col1, line2, col2)
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full_text = full_text == "" and text or (full_text .. " " .. text)
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core.cursor_clipboard_whole_line[idx] = false
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if delete then
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doc():delete_to_cursor(idx, 0)
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end
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else -- Cut/copy whole line
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text = doc().lines[line1]
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full_text = full_text == "" and text or (full_text .. text)
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core.cursor_clipboard_whole_line[idx] = true
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if delete then
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if line1 < #doc().lines then
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doc():remove(line1, 1, line1 + 1, 1)
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elseif #doc().lines == 1 then
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doc():remove(line1, 1, line1, math.huge)
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else
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doc():remove(line1 - 1, math.huge, line1, math.huge)
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end
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end
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end
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core.cursor_clipboard[idx] = text
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end
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core.cursor_clipboard["full"] = full_text
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system.set_clipboard(full_text)
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end
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local function split_cursor(direction)
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local new_cursors = {}
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for _, line1, col1 in doc():get_selections() do
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if line1 + direction >= 1 and line1 + direction <= #doc().lines then
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table.insert(new_cursors, { line1 + direction, col1 })
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end
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end
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for i,v in ipairs(new_cursors) do doc():add_selection(v[1], v[2]) end
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core.blink_reset()
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end
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local function set_cursor(dv, x, y, snap_type)
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local line, col = dv:resolve_screen_position(x, y)
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dv.doc:set_selection(line, col, line, col)
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if snap_type == "word" or snap_type == "lines" then
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command.perform("doc:select-" .. snap_type)
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end
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dv.mouse_selecting = { line, col, snap_type }
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core.blink_reset()
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end
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local function line_comment(comment, line1, col1, line2, col2)
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local start_comment = (type(comment) == 'table' and comment[1] or comment) .. " "
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local end_comment = (type(comment) == 'table' and " " .. comment[2])
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local uncomment = true
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local start_offset = math.huge
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for line = line1, line2 do
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local text = doc().lines[line]
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local s = text:find("%S")
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if s then
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local cs, ce = text:find(start_comment, s, true)
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if cs ~= s then
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uncomment = false
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end
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start_offset = math.min(start_offset, s)
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end
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end
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local end_line = col2 == #doc().lines[line2]
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for line = line1, line2 do
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local text = doc().lines[line]
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local s = text:find("%S")
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if s and uncomment then
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if end_comment and text:sub(#text - #end_comment, #text - 1) == end_comment then
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doc():remove(line, #text - #end_comment, line, #text)
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end
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local cs, ce = text:find(start_comment, s, true)
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if ce then
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doc():remove(line, cs, line, ce + 1)
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end
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elseif s then
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doc():insert(line, start_offset, start_comment)
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if end_comment then
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doc():insert(line, #doc().lines[line], " " .. comment[2])
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end
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end
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end
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col1 = col1 + (col1 > start_offset and #start_comment or 0) * (uncomment and -1 or 1)
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col2 = col2 + (col2 > start_offset and #start_comment or 0) * (uncomment and -1 or 1)
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if end_comment and end_line then
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col2 = col2 + #end_comment * (uncomment and -1 or 1)
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end
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return line1, col1, line2, col2
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end
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local function block_comment(comment, line1, col1, line2, col2)
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-- automatically skip spaces
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local word_start = doc():get_text(line1, col1, line1, math.huge):find("%S")
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local word_end = doc():get_text(line2, 1, line2, col2):find("%s*$")
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col1 = col1 + (word_start and (word_start - 1) or 0)
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col2 = word_end and word_end or col2
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local block_start = doc():get_text(line1, col1, line1, col1 + #comment[1])
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local block_end = doc():get_text(line2, col2 - #comment[2], line2, col2)
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if block_start == comment[1] and block_end == comment[2] then
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-- remove up to 1 whitespace after the comment
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local start_len, stop_len = #comment[1], #comment[2]
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if doc():get_text(line1, col1 + #comment[1], line1, col1 + #comment[1] + 1):find("%s$") then
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start_len = start_len + 1
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end
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if doc():get_text(line2, col2 - #comment[2] - 1, line2, col2):find("^%s") then
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stop_len = stop_len + 1
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end
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doc():remove(line1, col1, line1, col1 + start_len)
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col2 = col2 - (line1 == line2 and start_len or 0)
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doc():remove(line2, col2 - stop_len, line2, col2)
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return line1, col1, line2, col2 - stop_len
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else
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doc():insert(line1, col1, comment[1] .. " ")
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col2 = col2 + (line1 == line2 and (#comment[1] + 1) or 0)
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doc():insert(line2, col2, " " .. comment[2])
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return line1, col1, line2, col2 + #comment[2] + 1
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end
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end
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local commands = {
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["doc:select-none"] = function(dv)
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local line, col = dv.doc:get_selection()
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dv.doc:set_selection(line, col)
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end,
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["doc:cut"] = function()
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cut_or_copy(true)
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end,
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["doc:copy"] = function()
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cut_or_copy(false)
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end,
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["doc:undo"] = function(dv)
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dv.doc:undo()
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end,
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["doc:redo"] = function(dv)
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dv.doc:redo()
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end,
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["doc:paste"] = function(dv)
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local clipboard = system.get_clipboard()
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-- If the clipboard has changed since our last look, use that instead
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local external_paste = core.cursor_clipboard["full"] ~= clipboard
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if external_paste then
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core.cursor_clipboard = {}
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core.cursor_clipboard_whole_line = {}
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end
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local value, whole_line
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for idx, line1, col1, line2, col2 in dv.doc:get_selections() do
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if #core.cursor_clipboard_whole_line == (#dv.doc.selections/4) then
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value = core.cursor_clipboard[idx]
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whole_line = core.cursor_clipboard_whole_line[idx] == true
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else
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value = clipboard
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whole_line = not external_paste and clipboard:find("\n") ~= nil
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end
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if whole_line then
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dv.doc:insert(line1, 1, value:gsub("\r", ""))
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if col1 == 1 then
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dv.doc:move_to_cursor(idx, #value)
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end
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else
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dv.doc:text_input(value:gsub("\r", ""), idx)
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end
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end
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end,
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["doc:newline"] = function(dv)
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for idx, line, col in dv.doc:get_selections(false, true) do
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local indent = dv.doc.lines[line]:match("^[\t ]*")
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if col <= #indent then
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indent = indent:sub(#indent + 2 - col)
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end
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-- Remove current line if it contains only whitespace
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if dv.doc.lines[line]:match("^%s+$") then
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dv.doc:remove(line, 1, line, math.huge)
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end
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dv.doc:text_input("\n" .. indent, idx)
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end
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end,
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["doc:newline-below"] = function(dv)
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for idx, line in dv.doc:get_selections(false, true) do
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local indent = dv.doc.lines[line]:match("^[\t ]*")
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dv.doc:insert(line, math.huge, "\n" .. indent)
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dv.doc:set_selections(idx, line + 1, math.huge)
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end
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end,
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["doc:newline-above"] = function(dv)
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for idx, line in dv.doc:get_selections(false, true) do
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local indent = dv.doc.lines[line]:match("^[\t ]*")
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dv.doc:insert(line, 1, indent .. "\n")
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dv.doc:set_selections(idx, line, math.huge)
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end
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end,
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["doc:delete"] = function(dv)
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for idx, line1, col1, line2, col2 in dv.doc:get_selections() do
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if line1 == line2 and col1 == col2 and dv.doc.lines[line1]:find("^%s*$", col1) then
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dv.doc:remove(line1, col1, line1, math.huge)
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end
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dv.doc:delete_to_cursor(idx, translate.next_char)
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end
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end,
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["doc:backspace"] = function(dv)
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local _, indent_size = dv.doc:get_indent_info()
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for idx, line1, col1, line2, col2 in dv.doc:get_selections() do
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if line1 == line2 and col1 == col2 then
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local text = dv.doc:get_text(line1, 1, line1, col1)
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if #text >= indent_size and text:find("^ *$") then
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dv.doc:delete_to_cursor(idx, 0, -indent_size)
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return
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end
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end
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dv.doc:delete_to_cursor(idx, translate.previous_char)
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end
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end,
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["doc:select-all"] = function(dv)
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dv.doc:set_selection(1, 1, math.huge, math.huge)
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-- avoid triggering DocView:scroll_to_make_visible
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dv.last_line1 = 1
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dv.last_col1 = 1
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dv.last_line2 = #dv.doc.lines
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dv.last_col2 = #dv.doc.lines[#dv.doc.lines]
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end,
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["doc:select-lines"] = function(dv)
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for idx, line1, _, line2 in dv.doc:get_selections(true) do
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append_line_if_last_line(line2)
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dv.doc:set_selections(idx, line1, 1, line2 + 1, 1)
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end
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end,
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["doc:select-word"] = function(dv)
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for idx, line1, col1 in dv.doc:get_selections(true) do
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local line1, col1 = translate.start_of_word(dv.doc, line1, col1)
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local line2, col2 = translate.end_of_word(dv.doc, line1, col1)
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dv.doc:set_selections(idx, line2, col2, line1, col1)
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end
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end,
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["doc:join-lines"] = function(dv)
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for idx, line1, col1, line2, col2 in dv.doc:get_selections(true) do
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if line1 == line2 then line2 = line2 + 1 end
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local text = dv.doc:get_text(line1, 1, line2, math.huge)
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text = text:gsub("(.-)\n[\t ]*", function(x)
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return x:find("^%s*$") and x or x .. " "
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end)
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dv.doc:insert(line1, 1, text)
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dv.doc:remove(line1, #text + 1, line2, math.huge)
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if line1 ~= line2 or col1 ~= col2 then
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dv.doc:set_selections(idx, line1, math.huge)
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end
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end
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end,
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["doc:indent"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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local l1, c1, l2, c2 = dv.doc:indent_text(false, line1, col1, line2, col2)
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if l1 then
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dv.doc:set_selections(idx, l1, c1, l2, c2)
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end
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end
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end,
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["doc:unindent"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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local l1, c1, l2, c2 = dv.doc:indent_text(true, line1, col1, line2, col2)
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if l1 then
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dv.doc:set_selections(idx, l1, c1, l2, c2)
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end
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end
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end,
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["doc:duplicate-lines"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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append_line_if_last_line(line2)
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local text = doc():get_text(line1, 1, line2 + 1, 1)
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dv.doc:insert(line2 + 1, 1, text)
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local n = line2 - line1 + 1
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dv.doc:set_selections(idx, line1 + n, col1, line2 + n, col2)
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end
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end,
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["doc:delete-lines"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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append_line_if_last_line(line2)
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dv.doc:remove(line1, 1, line2 + 1, 1)
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dv.doc:set_selections(idx, line1, col1)
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end
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end,
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["doc:move-lines-up"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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append_line_if_last_line(line2)
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if line1 > 1 then
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local text = doc().lines[line1 - 1]
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dv.doc:insert(line2 + 1, 1, text)
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dv.doc:remove(line1 - 1, 1, line1, 1)
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dv.doc:set_selections(idx, line1 - 1, col1, line2 - 1, col2)
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end
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end
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end,
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["doc:move-lines-down"] = function(dv)
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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append_line_if_last_line(line2 + 1)
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if line2 < #dv.doc.lines then
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local text = dv.doc.lines[line2 + 1]
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dv.doc:remove(line2 + 1, 1, line2 + 2, 1)
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dv.doc:insert(line1, 1, text)
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dv.doc:set_selections(idx, line1 + 1, col1, line2 + 1, col2)
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end
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end
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end,
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["doc:toggle-block-comments"] = function(dv)
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local comment = dv.doc.syntax.block_comment
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if not comment then
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if dv.doc.syntax.comment then
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command.perform "doc:toggle-line-comments"
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end
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return
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end
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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-- if nothing is selected, toggle the whole line
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if line1 == line2 and col1 == col2 then
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col1 = 1
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col2 = #dv.doc.lines[line2]
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end
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dv.doc:set_selections(idx, block_comment(comment, line1, col1, line2, col2))
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end
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end,
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["doc:toggle-line-comments"] = function(dv)
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local comment = dv.doc.syntax.comment or dv.doc.syntax.block_comment
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if comment then
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for idx, line1, col1, line2, col2 in doc_multiline_selections(true) do
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dv.doc:set_selections(idx, line_comment(comment, line1, col1, line2, col2))
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end
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end
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end,
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["doc:upper-case"] = function(dv)
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dv.doc:replace(string.uupper)
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end,
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["doc:lower-case"] = function(dv)
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dv.doc:replace(string.ulower)
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end,
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["doc:go-to-line"] = function(dv)
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local items
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local function init_items()
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if items then return end
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items = {}
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local mt = { __tostring = function(x) return x.text end }
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for i, line in ipairs(dv.doc.lines) do
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local item = { text = line:sub(1, -2), line = i, info = "line: " .. i }
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table.insert(items, setmetatable(item, mt))
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end
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end
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core.command_view:enter("Go To Line", {
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submit = function(text, item)
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local line = item and item.line or tonumber(text)
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if not line then
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core.error("Invalid line number or unmatched string")
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return
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end
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dv.doc:set_selection(line, 1 )
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dv:scroll_to_line(line, true)
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end,
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suggest = function(text)
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if not text:find("^%d*$") then
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init_items()
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return common.fuzzy_match(items, text)
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end
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end
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})
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end,
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["doc:toggle-line-ending"] = function(dv)
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dv.doc.crlf = not dv.doc.crlf
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end,
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["doc:save-as"] = function(dv)
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local last_doc = core.last_active_view and core.last_active_view.doc
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local text
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if dv.doc.filename then
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text = dv.doc.filename
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elseif last_doc and last_doc.filename then
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local dirname, filename = core.last_active_view.doc.abs_filename:match("(.*)[/\\](.+)$")
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text = core.normalize_to_project_dir(dirname) .. PATHSEP
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end
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core.command_view:enter("Save As", {
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text = text,
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submit = function(filename)
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save(common.home_expand(filename))
|
|
end,
|
|
suggest = function (text)
|
|
return common.home_encode_list(common.path_suggest(common.home_expand(text)))
|
|
end
|
|
})
|
|
end,
|
|
|
|
["doc:save"] = function(dv)
|
|
if dv.doc.filename then
|
|
save()
|
|
else
|
|
command.perform("doc:save-as")
|
|
end
|
|
end,
|
|
|
|
["doc:reload"] = function(dv)
|
|
dv.doc:reload()
|
|
end,
|
|
|
|
["file:rename"] = function(dv)
|
|
local old_filename = dv.doc.filename
|
|
if not old_filename then
|
|
core.error("Cannot rename unsaved doc")
|
|
return
|
|
end
|
|
core.command_view:enter("Rename", {
|
|
text = old_filename,
|
|
submit = function(filename)
|
|
save(common.home_expand(filename))
|
|
core.log("Renamed \"%s\" to \"%s\"", old_filename, filename)
|
|
if filename ~= old_filename then
|
|
os.remove(old_filename)
|
|
end
|
|
end,
|
|
suggest = function (text)
|
|
return common.home_encode_list(common.path_suggest(common.home_expand(text)))
|
|
end
|
|
})
|
|
end,
|
|
|
|
|
|
["file:delete"] = function(dv)
|
|
local filename = dv.doc.abs_filename
|
|
if not filename then
|
|
core.error("Cannot remove unsaved doc")
|
|
return
|
|
end
|
|
for i,docview in ipairs(core.get_views_referencing_doc(dv.doc)) do
|
|
local node = core.root_view.root_node:get_node_for_view(docview)
|
|
node:close_view(core.root_view.root_node, docview)
|
|
end
|
|
os.remove(filename)
|
|
core.log("Removed \"%s\"", filename)
|
|
end,
|
|
|
|
["doc:select-to-cursor"] = function(dv, x, y, clicks)
|
|
local line1, col1 = select(3, doc():get_selection())
|
|
local line2, col2 = dv:resolve_screen_position(x, y)
|
|
dv.mouse_selecting = { line1, col1, nil }
|
|
dv.doc:set_selection(line2, col2, line1, col1)
|
|
end,
|
|
|
|
["doc:create-cursor-previous-line"] = function(dv)
|
|
split_cursor(-1)
|
|
dv.doc:merge_cursors()
|
|
end,
|
|
|
|
["doc:create-cursor-next-line"] = function(dv)
|
|
split_cursor(1)
|
|
dv.doc:merge_cursors()
|
|
end
|
|
|
|
}
|
|
|
|
command.add(function(x, y)
|
|
if x == nil or y == nil or not core.active_view:is(DocView) then return false end
|
|
local dv = core.active_view
|
|
local x1,y1,x2,y2 = dv.position.x, dv.position.y, dv.position.x + dv.size.x, dv.position.y + dv.size.y
|
|
return x >= x1 + dv:get_gutter_width() and x < x2 and y >= y1 and y < y2, dv, x, y
|
|
end, {
|
|
["doc:set-cursor"] = function(dv, x, y)
|
|
set_cursor(dv, x, y, "set")
|
|
end,
|
|
|
|
["doc:set-cursor-word"] = function(dv, x, y)
|
|
set_cursor(dv, x, y, "word")
|
|
end,
|
|
|
|
["doc:set-cursor-line"] = function(dv, x, y, clicks)
|
|
set_cursor(dv, x, y, "lines")
|
|
end,
|
|
|
|
["doc:split-cursor"] = function(dv, x, y, clicks)
|
|
local line, col = dv:resolve_screen_position(x, y)
|
|
local removal_target = nil
|
|
for idx, line1, col1 in dv.doc:get_selections(true) do
|
|
if line1 == line and col1 == col and #doc().selections > 4 then
|
|
removal_target = idx
|
|
end
|
|
end
|
|
if removal_target then
|
|
dv.doc:remove_selection(removal_target)
|
|
else
|
|
dv.doc:add_selection(line, col, line, col)
|
|
end
|
|
dv.mouse_selecting = { line, col, "set" }
|
|
end
|
|
})
|
|
|
|
local translations = {
|
|
["previous-char"] = translate,
|
|
["next-char"] = translate,
|
|
["previous-word-start"] = translate,
|
|
["next-word-end"] = translate,
|
|
["previous-block-start"] = translate,
|
|
["next-block-end"] = translate,
|
|
["start-of-doc"] = translate,
|
|
["end-of-doc"] = translate,
|
|
["start-of-line"] = translate,
|
|
["end-of-line"] = translate,
|
|
["start-of-word"] = translate,
|
|
["start-of-indentation"] = translate,
|
|
["end-of-word"] = translate,
|
|
["previous-line"] = DocView.translate,
|
|
["next-line"] = DocView.translate,
|
|
["previous-page"] = DocView.translate,
|
|
["next-page"] = DocView.translate,
|
|
}
|
|
|
|
for name, obj in pairs(translations) do
|
|
commands["doc:move-to-" .. name] = function(dv) dv.doc:move_to(obj[name:gsub("-", "_")], dv) end
|
|
commands["doc:select-to-" .. name] = function(dv) dv.doc:select_to(obj[name:gsub("-", "_")], dv) end
|
|
commands["doc:delete-to-" .. name] = function(dv) dv.doc:delete_to(obj[name:gsub("-", "_")], dv) end
|
|
end
|
|
|
|
commands["doc:move-to-previous-char"] = function(dv)
|
|
for idx, line1, col1, line2, col2 in dv.doc:get_selections(true) do
|
|
if line1 ~= line2 or col1 ~= col2 then
|
|
dv.doc:set_selections(idx, line1, col1)
|
|
else
|
|
dv.doc:move_to_cursor(idx, translate.previous_char)
|
|
end
|
|
end
|
|
end
|
|
|
|
commands["doc:move-to-next-char"] = function(dv)
|
|
for idx, line1, col1, line2, col2 in dv.doc:get_selections(true) do
|
|
if line1 ~= line2 or col1 ~= col2 then
|
|
dv.doc:set_selections(idx, line2, col2)
|
|
else
|
|
dv.doc:move_to_cursor(idx, translate.next_char)
|
|
end
|
|
end
|
|
end
|
|
|
|
command.add("core.docview", commands)
|