1108 lines
31 KiB
Lua
1108 lines
31 KiB
Lua
require "core.strict"
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require "core.regex"
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local common = require "core.common"
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local config = require "core.config"
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local style = require "core.style"
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local command
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local keymap
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local RootView
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local StatusView
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local TitleView
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local CommandView
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local NagView
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local DocView
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local Doc
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local core = {}
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local function load_session()
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local ok, t = pcall(dofile, USERDIR .. "/session.lua")
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if ok then
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return t.recents, t.window, t.window_mode
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end
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return {}
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end
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local function save_session()
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local fp = io.open(USERDIR .. "/session.lua", "w")
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if fp then
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fp:write("return {recents=", common.serialize(core.recent_projects),
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", window=", common.serialize(table.pack(system.get_window_size())),
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", window_mode=", common.serialize(system.get_window_mode()),
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"}\n")
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fp:close()
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end
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end
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local function update_recents_project(action, dir_path_abs)
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local dirname = common.normalize_path(dir_path_abs)
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if not dirname then return end
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local recents = core.recent_projects
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local n = #recents
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for i = 1, n do
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if dirname == recents[i] then
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table.remove(recents, i)
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break
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end
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end
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if action == "add" then
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table.insert(recents, 1, dirname)
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end
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end
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function core.reschedule_project_scan()
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if core.project_scan_thread_id then
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core.threads[core.project_scan_thread_id].wake = 0
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end
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end
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function core.set_project_dir(new_dir, change_project_fn)
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local chdir_ok = pcall(system.chdir, new_dir)
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if chdir_ok then
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if change_project_fn then change_project_fn() end
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core.project_dir = common.normalize_path(new_dir)
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core.project_directories = {}
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core.add_project_directory(new_dir)
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core.project_files = {}
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core.project_files_limit = false
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core.reschedule_project_scan()
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return true
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end
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return false
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end
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function core.open_folder_project(dir_path_abs)
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if core.set_project_dir(dir_path_abs, core.on_quit_project) then
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core.root_view:close_all_docviews()
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update_recents_project("add", dir_path_abs)
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core.on_enter_project(dir_path_abs)
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end
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end
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local function strip_leading_path(filename)
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return filename:sub(2)
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end
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local function strip_trailing_slash(filename)
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if filename:match("[^:][/\\]$") then
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return filename:sub(1, -2)
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end
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return filename
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end
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local function compare_file(a, b)
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return a.filename < b.filename
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end
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-- "root" will by an absolute path without trailing '/'
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-- "path" will be a path starting with '/' and without trailing '/'
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-- or the empty string.
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-- It will identifies a sub-path within "root.
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-- The current path location will therefore always be: root .. path.
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-- When recursing "root" will always be the same, only "path" will change.
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-- Returns a list of file "items". In eash item the "filename" will be the
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-- complete file path relative to "root" *without* the trailing '/'.
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local function get_directory_files(root, path, t, recursive, begin_hook)
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if begin_hook then begin_hook() end
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local size_limit = config.file_size_limit * 10e5
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local all = system.list_dir(root .. path) or {}
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local dirs, files = {}, {}
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local entries_count = 0
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local max_entries = config.max_project_files
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for _, file in ipairs(all) do
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if not common.match_pattern(file, config.ignore_files) then
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local file = path .. PATHSEP .. file
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local info = system.get_file_info(root .. file)
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if info and info.size < size_limit then
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info.filename = strip_leading_path(file)
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table.insert(info.type == "dir" and dirs or files, info)
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entries_count = entries_count + 1
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if recursive and entries_count > max_entries then return nil, entries_count end
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end
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end
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end
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table.sort(dirs, compare_file)
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for _, f in ipairs(dirs) do
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table.insert(t, f)
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if recursive and entries_count <= max_entries then
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local subdir_t, subdir_count = get_directory_files(root, PATHSEP .. f.filename, t, recursive)
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entries_count = entries_count + subdir_count
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f.scanned = true
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end
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end
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table.sort(files, compare_file)
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for _, f in ipairs(files) do
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table.insert(t, f)
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end
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return t, entries_count
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end
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local function project_scan_thread()
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local function diff_files(a, b)
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if #a ~= #b then return true end
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for i, v in ipairs(a) do
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if b[i].filename ~= v.filename
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or b[i].modified ~= v.modified then
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return true
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end
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end
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end
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while true do
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-- get project files and replace previous table if the new table is
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-- different
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local i = 1
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while not core.project_files_limit and i <= #core.project_directories do
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local dir = core.project_directories[i]
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local t, entries_count = get_directory_files(dir.name, "", {}, true)
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if diff_files(dir.files, t) then
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if entries_count > config.max_project_files then
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core.project_files_limit = true
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core.status_view:show_message("!", style.accent,
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"Too many files in project directory: stopped reading at "..
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config.max_project_files.." files. For more information see "..
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"usage.md at github.com/franko/lite-xl."
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)
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end
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dir.files = t
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core.redraw = true
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end
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if dir.name == core.project_dir then
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core.project_files = dir.files
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end
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i = i + 1
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end
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-- wait for next scan
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coroutine.yield(config.project_scan_rate)
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end
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end
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function core.is_project_folder(dirname)
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for _, dir in ipairs(core.project_directories) do
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if dir.name == dirname then
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return true
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end
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end
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return false
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end
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function core.scan_project_folder(dirname, filename)
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for _, dir in ipairs(core.project_directories) do
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if dir.name == dirname then
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for i, file in ipairs(dir.files) do
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local file = dir.files[i]
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if file.filename == filename then
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if file.scanned then return end
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local new_files = get_directory_files(dirname, PATHSEP .. filename, {})
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for j, new_file in ipairs(new_files) do
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table.insert(dir.files, i + j, new_file)
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end
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file.scanned = true
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return
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end
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end
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end
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end
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end
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local function find_project_files_co(root, path)
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local size_limit = config.file_size_limit * 10e5
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local all = system.list_dir(root .. path) or {}
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for _, file in ipairs(all) do
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if not common.match_pattern(file, config.ignore_files) then
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local file = path .. PATHSEP .. file
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local info = system.get_file_info(root .. file)
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if info and info.size < size_limit then
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info.filename = strip_leading_path(file)
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if info.type == "file" then
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coroutine.yield(root, info)
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else
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find_project_files_co(root, PATHSEP .. info.filename)
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end
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end
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end
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end
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end
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local function project_files_iter(state)
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local dir = core.project_directories[state.dir_index]
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state.file_index = state.file_index + 1
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while dir and state.file_index > #dir.files do
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state.dir_index = state.dir_index + 1
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state.file_index = 1
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dir = core.project_directories[state.dir_index]
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end
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if not dir then return end
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return dir.name, dir.files[state.file_index]
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end
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function core.get_project_files()
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if core.project_files_limit then
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return coroutine.wrap(function()
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for _, dir in ipairs(core.project_directories) do
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find_project_files_co(dir.name, "")
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end
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end)
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else
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local state = { dir_index = 1, file_index = 0 }
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return project_files_iter, state
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end
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end
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function core.project_files_number()
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if not core.project_files_limit then
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local n = 0
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for i = 1, #core.project_directories do
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n = n + #core.project_directories[i].files
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end
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return n
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end
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end
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-- create a directory using mkdir but may need to create the parent
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-- directories as well.
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local function create_user_directory()
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local success, err = common.mkdirp(USERDIR)
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if not success then
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error("cannot create directory \"" .. USERDIR .. "\": " .. err)
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end
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for _, modname in ipairs {'plugins', 'colors', 'fonts'} do
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local subdirname = USERDIR .. PATHSEP .. modname
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if not system.mkdir(subdirname) then
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error("cannot create directory: \"" .. subdirname .. "\"")
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end
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end
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end
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local function write_user_init_file(init_filename)
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local init_file = io.open(init_filename, "w")
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if not init_file then error("cannot create file: \"" .. init_filename .. "\"") end
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init_file:write([[
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-- put user settings here
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-- this module will be loaded after everything else when the application starts
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-- it will be automatically reloaded when saved
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local core = require "core"
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local keymap = require "core.keymap"
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local config = require "core.config"
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local style = require "core.style"
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------------------------------ Themes ----------------------------------------
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-- light theme:
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-- core.reload_module("colors.summer")
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--------------------------- Key bindings -------------------------------------
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-- key binding:
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-- keymap.add { ["ctrl+escape"] = "core:quit" }
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------------------------------- Fonts ----------------------------------------
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-- customize fonts:
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-- style.font = renderer.font.load(DATADIR .. "/fonts/FiraSans-Regular.ttf", 13 * SCALE)
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-- style.code_font = renderer.font.load(DATADIR .. "/fonts/JetBrainsMono-Regular.ttf", 13 * SCALE)
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--
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-- font names used by lite:
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-- style.font : user interface
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-- style.big_font : big text in welcome screen
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-- style.icon_font : icons
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-- style.icon_big_font : toolbar icons
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-- style.code_font : code
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--
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-- the function to load the font accept a 3rd optional argument like:
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--
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-- {antialiasing="grayscale", hinting="full"}
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--
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-- possible values are:
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-- antialiasing: grayscale, subpixel
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-- hinting: none, slight, full
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------------------------------ Plugins ----------------------------------------
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-- enable or disable plugin loading setting config entries:
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-- enable plugins.trimwhitespace, otherwise it is disable by default:
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-- config.plugins.trimwhitespace = true
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--
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-- disable detectindent, otherwise it is enabled by default
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-- config.plugins.detectindent = false
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]])
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init_file:close()
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end
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function core.load_user_directory()
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return core.try(function()
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local stat_dir = system.get_file_info(USERDIR)
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if not stat_dir then
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create_user_directory()
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end
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local init_filename = USERDIR .. "/init.lua"
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local stat_file = system.get_file_info(init_filename)
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if not stat_file then
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write_user_init_file(init_filename)
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end
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dofile(init_filename)
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end)
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end
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function core.add_project_directory(path)
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-- top directories has a file-like "item" but the item.filename
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-- will be simply the name of the directory, without its path.
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-- The field item.topdir will identify it as a top level directory.
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path = common.normalize_path(path)
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table.insert(core.project_directories, {
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name = path,
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item = {filename = common.basename(path), type = "dir", topdir = true},
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files = {}
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})
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end
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function core.remove_project_directory(path)
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-- skip the fist directory because it is the project's directory
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for i = 2, #core.project_directories do
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local dir = core.project_directories[i]
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if dir.name == path then
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table.remove(core.project_directories, i)
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return true
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end
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end
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return false
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end
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local function whitespace_replacements()
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local r = renderer.replacements.new()
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r:add(" ", "·")
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r:add("\t", "»")
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return r
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end
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local function reload_on_user_module_save()
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-- auto-realod style when user's module is saved by overriding Doc:Save()
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local doc_save = Doc.save
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local user_filename = system.absolute_path(USERDIR .. PATHSEP .. "init.lua")
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function Doc:save(filename, abs_filename)
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doc_save(self, filename, abs_filename)
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if self.abs_filename == user_filename then
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core.reload_module("core.style")
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core.load_user_directory()
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end
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end
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end
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function core.init()
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command = require "core.command"
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keymap = require "core.keymap"
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RootView = require "core.rootview"
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StatusView = require "core.statusview"
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TitleView = require "core.titleview"
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CommandView = require "core.commandview"
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NagView = require "core.nagview"
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DocView = require "core.docview"
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Doc = require "core.doc"
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if PATHSEP == '\\' then
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USERDIR = common.normalize_path(USERDIR)
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DATADIR = common.normalize_path(DATADIR)
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EXEDIR = common.normalize_path(EXEDIR)
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end
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do
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local recent_projects, window_position, window_mode = load_session()
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if window_mode == "normal" then
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system.set_window_size(table.unpack(window_position))
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elseif window_mode == "maximized" then
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system.set_window_mode("maximized")
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end
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core.recent_projects = recent_projects
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end
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local project_dir = core.recent_projects[1] or "."
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local project_dir_explicit = false
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local files = {}
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local delayed_error
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for i = 2, #ARGS do
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local arg_filename = strip_trailing_slash(ARGS[i])
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local info = system.get_file_info(arg_filename) or {}
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if info.type == "file" then
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local file_abs = system.absolute_path(arg_filename)
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if file_abs then
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table.insert(files, file_abs)
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project_dir = file_abs:match("^(.+)[/\\].+$")
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end
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elseif info.type == "dir" then
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project_dir = arg_filename
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project_dir_explicit = true
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else
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delayed_error = string.format("error: invalid file or directory %q", ARGS[i])
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end
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end
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core.frame_start = 0
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core.clip_rect_stack = {{ 0,0,0,0 }}
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core.log_items = {}
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core.docs = {}
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core.window_mode = "normal"
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core.threads = setmetatable({}, { __mode = "k" })
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core.blink_start = system.get_time()
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core.blink_timer = core.blink_start
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local project_dir_abs = system.absolute_path(project_dir)
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local set_project_ok = project_dir_abs and core.set_project_dir(project_dir_abs)
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if set_project_ok then
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if project_dir_explicit then
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update_recents_project("add", project_dir_abs)
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end
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else
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if not project_dir_explicit then
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update_recents_project("remove", project_dir)
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end
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project_dir_abs = system.absolute_path(".")
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if not core.set_project_dir(project_dir_abs) then
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system.show_fatal_error("Lite XL internal error", "cannot set project directory to cwd")
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os.exit(1)
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end
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end
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core.redraw = true
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core.visited_files = {}
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core.restart_request = false
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core.quit_request = false
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core.replacements = whitespace_replacements()
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core.root_view = RootView()
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core.command_view = CommandView()
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core.status_view = StatusView()
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core.nag_view = NagView()
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core.title_view = TitleView()
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|
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local cur_node = core.root_view.root_node
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cur_node.is_primary_node = true
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cur_node:split("up", core.title_view, {y = true})
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cur_node = cur_node.b
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cur_node:split("up", core.nag_view, {y = true})
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cur_node = cur_node.b
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cur_node = cur_node:split("down", core.command_view, {y = true})
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cur_node = cur_node:split("down", core.status_view, {y = true})
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core.project_scan_thread_id = core.add_thread(project_scan_thread)
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command.add_defaults()
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|
local got_user_error = not core.load_user_directory()
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|
local plugins_success, plugins_refuse_list = core.load_plugins()
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do
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local pdir, pname = project_dir_abs:match("(.*)[/\\\\](.*)")
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core.log("Opening project %q from directory %s", pname, pdir)
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end
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|
local got_project_error = not core.load_project_module()
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for _, filename in ipairs(files) do
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core.root_view:open_doc(core.open_doc(filename))
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end
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|
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if delayed_error then
|
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core.error(delayed_error)
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end
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|
|
if not plugins_success or got_user_error or got_project_error then
|
|
command.perform("core:open-log")
|
|
end
|
|
|
|
system.set_window_bordered(not config.borderless)
|
|
core.title_view:configure_hit_test(config.borderless)
|
|
core.title_view.visible = config.borderless
|
|
|
|
if #plugins_refuse_list.userdir.plugins > 0 or #plugins_refuse_list.datadir.plugins > 0 then
|
|
local opt = {
|
|
{ font = style.font, text = "Exit", default_no = true },
|
|
{ font = style.font, text = "Continue" , default_yes = true }
|
|
}
|
|
local msg = {}
|
|
for _, entry in pairs(plugins_refuse_list) do
|
|
if #entry.plugins > 0 then
|
|
msg[#msg + 1] = string.format("Plugins from directory \"%s\":\n%s", common.home_encode(entry.dir), table.concat(entry.plugins, "\n"))
|
|
end
|
|
end
|
|
core.nag_view:show(
|
|
"Refused Plugins",
|
|
string.format(
|
|
"Some plugins are not loaded due to version mismatch.\n\n%s.\n\n" ..
|
|
"Please download a recent version from https://github.com/franko/lite-plugins.",
|
|
table.concat(msg, ".\n\n")),
|
|
opt, function(item)
|
|
if item.text == "Exit" then os.exit(1) end
|
|
end)
|
|
end
|
|
|
|
reload_on_user_module_save()
|
|
end
|
|
|
|
|
|
function core.confirm_close_docs(docs, close_fn, ...)
|
|
local dirty_count = 0
|
|
local dirty_name
|
|
for _, doc in ipairs(docs or core.docs) do
|
|
if doc:is_dirty() then
|
|
dirty_count = dirty_count + 1
|
|
dirty_name = doc:get_name()
|
|
end
|
|
end
|
|
if dirty_count > 0 then
|
|
local text
|
|
if dirty_count == 1 then
|
|
text = string.format("\"%s\" has unsaved changes. Quit anyway?", dirty_name)
|
|
else
|
|
text = string.format("%d docs have unsaved changes. Quit anyway?", dirty_count)
|
|
end
|
|
local args = {...}
|
|
local opt = {
|
|
{ font = style.font, text = "Yes", default_yes = true },
|
|
{ font = style.font, text = "No" , default_no = true }
|
|
}
|
|
core.nag_view:show("Unsaved Changes", text, opt, function(item)
|
|
if item.text == "Yes" then close_fn(table.unpack(args)) end
|
|
end)
|
|
else
|
|
close_fn(...)
|
|
end
|
|
end
|
|
|
|
local temp_uid = (system.get_time() * 1000) % 0xffffffff
|
|
local temp_file_prefix = string.format(".lite_temp_%08x", temp_uid)
|
|
local temp_file_counter = 0
|
|
|
|
local function delete_temp_files()
|
|
for _, filename in ipairs(system.list_dir(EXEDIR)) do
|
|
if filename:find(temp_file_prefix, 1, true) == 1 then
|
|
os.remove(EXEDIR .. PATHSEP .. filename)
|
|
end
|
|
end
|
|
end
|
|
|
|
function core.temp_filename(ext)
|
|
temp_file_counter = temp_file_counter + 1
|
|
return USERDIR .. PATHSEP .. temp_file_prefix
|
|
.. string.format("%06x", temp_file_counter) .. (ext or "")
|
|
end
|
|
|
|
-- override to perform an operation before quitting or entering the
|
|
-- current project
|
|
do
|
|
local do_nothing = function() end
|
|
core.on_quit_project = do_nothing
|
|
core.on_enter_project = do_nothing
|
|
end
|
|
|
|
|
|
local function quit_with_function(quit_fn, force)
|
|
if force then
|
|
delete_temp_files()
|
|
core.on_quit_project()
|
|
save_session()
|
|
quit_fn()
|
|
else
|
|
core.confirm_close_docs(core.docs, quit_with_function, quit_fn, true)
|
|
end
|
|
end
|
|
|
|
function core.quit(force)
|
|
quit_with_function(function() core.quit_request = true end, force)
|
|
end
|
|
|
|
|
|
function core.restart()
|
|
quit_with_function(function() core.restart_request = true end)
|
|
end
|
|
|
|
|
|
local function check_plugin_version(filename)
|
|
local info = system.get_file_info(filename)
|
|
if info ~= nil and info.type == "dir" then
|
|
filename = filename .. "/init.lua"
|
|
info = system.get_file_info(filename)
|
|
end
|
|
if not info or not filename:match("%.lua$") then return false end
|
|
local f = io.open(filename, "r")
|
|
if not f then return false end
|
|
local version_match = false
|
|
for line in f:lines() do
|
|
local mod_version = line:match('%-%-.*%f[%a]mod%-version%s*:%s*(%d+)')
|
|
if mod_version then
|
|
version_match = (mod_version == MOD_VERSION)
|
|
break
|
|
end
|
|
-- The following pattern is used for backward compatibility only
|
|
-- Future versions will look only at the mod-version tag.
|
|
local version = line:match('%-%-%s*lite%-xl%s*(%d+%.%d+)$')
|
|
if version then
|
|
-- we consider the version tag 2.0 equivalent to mod-version:2
|
|
version_match = (version == '2.0' and MOD_VERSION == "2")
|
|
break
|
|
end
|
|
end
|
|
f:close()
|
|
return true, version_match
|
|
end
|
|
|
|
|
|
function core.load_plugins()
|
|
local no_errors = true
|
|
local refused_list = {
|
|
userdir = {dir = USERDIR, plugins = {}},
|
|
datadir = {dir = DATADIR, plugins = {}},
|
|
}
|
|
local files = {}
|
|
for _, root_dir in ipairs {DATADIR, USERDIR} do
|
|
local plugin_dir = root_dir .. "/plugins"
|
|
for _, filename in ipairs(system.list_dir(plugin_dir) or {}) do
|
|
files[filename] = plugin_dir -- user plugins will always replace system plugins
|
|
end
|
|
end
|
|
|
|
for filename, plugin_dir in pairs(files) do
|
|
local basename = filename:match("(.-)%.lua$") or filename
|
|
local is_lua_file, version_match = check_plugin_version(plugin_dir .. '/' .. filename)
|
|
if is_lua_file then
|
|
if not version_match then
|
|
core.log_quiet("Version mismatch for plugin %q from %s", basename, plugin_dir)
|
|
local list = refused_list[plugin_dir:find(USERDIR) == 1 and 'userdir' or 'datadir'].plugins
|
|
table.insert(list, filename)
|
|
end
|
|
if version_match and config.plugins[basename] ~= false then
|
|
local ok = core.try(require, "plugins." .. basename)
|
|
if ok then core.log_quiet("Loaded plugin %q from %s", basename, plugin_dir) end
|
|
if not ok then
|
|
no_errors = false
|
|
end
|
|
end
|
|
end
|
|
end
|
|
return no_errors, refused_list
|
|
end
|
|
|
|
|
|
function core.load_project_module()
|
|
local filename = ".lite_project.lua"
|
|
if system.get_file_info(filename) then
|
|
return core.try(function()
|
|
local fn, err = loadfile(filename)
|
|
if not fn then error("Error when loading project module:\n\t" .. err) end
|
|
fn()
|
|
core.log_quiet("Loaded project module")
|
|
end)
|
|
end
|
|
return true
|
|
end
|
|
|
|
|
|
function core.reload_module(name)
|
|
local old = package.loaded[name]
|
|
package.loaded[name] = nil
|
|
local new = require(name)
|
|
if type(old) == "table" then
|
|
for k, v in pairs(new) do old[k] = v end
|
|
package.loaded[name] = old
|
|
end
|
|
end
|
|
|
|
|
|
function core.set_visited(filename)
|
|
for i = 1, #core.visited_files do
|
|
if core.visited_files[i] == filename then
|
|
table.remove(core.visited_files, i)
|
|
break
|
|
end
|
|
end
|
|
table.insert(core.visited_files, 1, filename)
|
|
end
|
|
|
|
|
|
function core.set_active_view(view)
|
|
assert(view, "Tried to set active view to nil")
|
|
if view ~= core.active_view then
|
|
if core.active_view and core.active_view.force_focus then
|
|
core.next_active_view = view
|
|
return
|
|
end
|
|
core.next_active_view = nil
|
|
if view.doc and view.doc.filename then
|
|
core.set_visited(view.doc.filename)
|
|
end
|
|
core.last_active_view = core.active_view
|
|
core.active_view = view
|
|
end
|
|
end
|
|
|
|
|
|
function core.show_title_bar(show)
|
|
core.title_view.visible = show
|
|
end
|
|
|
|
|
|
function core.add_thread(f, weak_ref)
|
|
local key = weak_ref or #core.threads + 1
|
|
local fn = function() return core.try(f) end
|
|
core.threads[key] = { cr = coroutine.create(fn), wake = 0 }
|
|
return key
|
|
end
|
|
|
|
|
|
function core.push_clip_rect(x, y, w, h)
|
|
local x2, y2, w2, h2 = table.unpack(core.clip_rect_stack[#core.clip_rect_stack])
|
|
local r, b, r2, b2 = x+w, y+h, x2+w2, y2+h2
|
|
x, y = math.max(x, x2), math.max(y, y2)
|
|
b, r = math.min(b, b2), math.min(r, r2)
|
|
w, h = r-x, b-y
|
|
table.insert(core.clip_rect_stack, { x, y, w, h })
|
|
renderer.set_clip_rect(x, y, w, h)
|
|
end
|
|
|
|
|
|
function core.pop_clip_rect()
|
|
table.remove(core.clip_rect_stack)
|
|
local x, y, w, h = table.unpack(core.clip_rect_stack[#core.clip_rect_stack])
|
|
renderer.set_clip_rect(x, y, w, h)
|
|
end
|
|
|
|
|
|
function core.normalize_to_project_dir(filename)
|
|
filename = common.normalize_path(filename)
|
|
if common.path_belongs_to(filename, core.project_dir) then
|
|
filename = common.relative_path(core.project_dir, filename)
|
|
end
|
|
return filename
|
|
end
|
|
|
|
|
|
-- The function below works like system.absolute_path except it
|
|
-- doesn't fail if the file does not exist. We consider that the
|
|
-- current dir is core.project_dir so relative filename are considered
|
|
-- to be in core.project_dir.
|
|
-- Please note that .. or . in the filename are not taken into account.
|
|
-- This function should get only filenames normalized using
|
|
-- common.normalize_path function.
|
|
function core.project_absolute_path(filename)
|
|
if filename:match('^%a:\\') or filename:find('/', 1, true) then
|
|
return filename
|
|
else
|
|
return core.project_dir .. PATHSEP .. filename
|
|
end
|
|
end
|
|
|
|
|
|
function core.open_doc(filename)
|
|
local new_file = not filename or not system.get_file_info(filename)
|
|
local abs_filename
|
|
if filename then
|
|
-- normalize filename and set absolute filename then
|
|
-- try to find existing doc for filename
|
|
filename = core.normalize_to_project_dir(filename)
|
|
abs_filename = core.project_absolute_path(filename)
|
|
for _, doc in ipairs(core.docs) do
|
|
if doc.abs_filename and abs_filename == doc.abs_filename then
|
|
return doc
|
|
end
|
|
end
|
|
end
|
|
-- no existing doc for filename; create new
|
|
local doc = Doc(filename, abs_filename, new_file)
|
|
table.insert(core.docs, doc)
|
|
core.log_quiet(filename and "Opened doc \"%s\"" or "Opened new doc", filename)
|
|
return doc
|
|
end
|
|
|
|
|
|
function core.get_views_referencing_doc(doc)
|
|
local res = {}
|
|
local views = core.root_view.root_node:get_children()
|
|
for _, view in ipairs(views) do
|
|
if view.doc == doc then table.insert(res, view) end
|
|
end
|
|
return res
|
|
end
|
|
|
|
|
|
local function log(icon, icon_color, fmt, ...)
|
|
local text = string.format(fmt, ...)
|
|
if icon then
|
|
core.status_view:show_message(icon, icon_color, text)
|
|
end
|
|
|
|
local info = debug.getinfo(2, "Sl")
|
|
local at = string.format("%s:%d", info.short_src, info.currentline)
|
|
local item = { text = text, time = os.time(), at = at }
|
|
table.insert(core.log_items, item)
|
|
if #core.log_items > config.max_log_items then
|
|
table.remove(core.log_items, 1)
|
|
end
|
|
return item
|
|
end
|
|
|
|
|
|
function core.log(...)
|
|
return log("i", style.text, ...)
|
|
end
|
|
|
|
|
|
function core.log_quiet(...)
|
|
return log(nil, nil, ...)
|
|
end
|
|
|
|
|
|
function core.error(...)
|
|
return log("!", style.accent, ...)
|
|
end
|
|
|
|
|
|
function core.get_log(i)
|
|
if i == nil then
|
|
local r = {}
|
|
for _, item in ipairs(core.log_items) do
|
|
table.insert(r, core.get_log(item))
|
|
end
|
|
return table.concat(r, "\n")
|
|
end
|
|
local item = type(i) == "number" and core.log_items[i] or i
|
|
local text = string.format("[%s] %s at %s", os.date(nil, item.time), item.text, item.at)
|
|
if item.info then
|
|
text = string.format("%s\n%s\n", text, item.info)
|
|
end
|
|
return text
|
|
end
|
|
|
|
|
|
function core.try(fn, ...)
|
|
local err
|
|
local ok, res = xpcall(fn, function(msg)
|
|
local item = core.error("%s", msg)
|
|
item.info = debug.traceback(nil, 2):gsub("\t", "")
|
|
err = msg
|
|
end, ...)
|
|
if ok then
|
|
return true, res
|
|
end
|
|
return false, err
|
|
end
|
|
|
|
|
|
function core.on_event(type, ...)
|
|
local did_keymap = false
|
|
if type == "textinput" then
|
|
core.root_view:on_text_input(...)
|
|
elseif type == "keypressed" then
|
|
did_keymap = keymap.on_key_pressed(...)
|
|
elseif type == "keyreleased" then
|
|
keymap.on_key_released(...)
|
|
elseif type == "mousemoved" then
|
|
core.root_view:on_mouse_moved(...)
|
|
elseif type == "mousepressed" then
|
|
core.root_view:on_mouse_pressed(...)
|
|
elseif type == "mousereleased" then
|
|
core.root_view:on_mouse_released(...)
|
|
elseif type == "mousewheel" then
|
|
core.root_view:on_mouse_wheel(...)
|
|
elseif type == "resized" then
|
|
core.window_mode = system.get_window_mode()
|
|
elseif type == "minimized" or type == "maximized" or type == "restored" then
|
|
core.window_mode = type == "restored" and "normal" or type
|
|
elseif type == "filedropped" then
|
|
local filename, mx, my = ...
|
|
local info = system.get_file_info(filename)
|
|
if info and info.type == "dir" then
|
|
system.exec(string.format("%q %q", EXEFILE, filename))
|
|
else
|
|
local ok, doc = core.try(core.open_doc, filename)
|
|
if ok then
|
|
local node = core.root_view.root_node:get_child_overlapping_point(mx, my)
|
|
node:set_active_view(node.active_view)
|
|
core.root_view:open_doc(doc)
|
|
end
|
|
end
|
|
elseif type == "focuslost" then
|
|
core.root_view:on_focus_lost(...)
|
|
elseif type == "quit" then
|
|
core.quit()
|
|
end
|
|
return did_keymap
|
|
end
|
|
|
|
|
|
local function get_title_filename(view)
|
|
local doc_filename = view.get_filename and view:get_filename() or view:get_name()
|
|
return (doc_filename ~= "---") and doc_filename or ""
|
|
end
|
|
|
|
|
|
function core.compose_window_title(title)
|
|
return title == "" and "Lite XL" or title .. " - Lite XL"
|
|
end
|
|
|
|
|
|
function core.step()
|
|
-- handle events
|
|
local did_keymap = false
|
|
|
|
for type, a,b,c,d in system.poll_event do
|
|
if type == "textinput" and did_keymap then
|
|
did_keymap = false
|
|
elseif type == "mousemoved" then
|
|
core.try(core.on_event, type, a, b, c, d)
|
|
else
|
|
local _, res = core.try(core.on_event, type, a, b, c, d)
|
|
did_keymap = res or did_keymap
|
|
end
|
|
core.redraw = true
|
|
end
|
|
|
|
local width, height = renderer.get_size()
|
|
|
|
-- update
|
|
core.root_view.size.x, core.root_view.size.y = width, height
|
|
core.root_view:update()
|
|
if not core.redraw then return false end
|
|
core.redraw = false
|
|
|
|
-- close unreferenced docs
|
|
for i = #core.docs, 1, -1 do
|
|
local doc = core.docs[i]
|
|
if #core.get_views_referencing_doc(doc) == 0 then
|
|
table.remove(core.docs, i)
|
|
doc:on_close()
|
|
end
|
|
end
|
|
|
|
-- update window title
|
|
local current_title = get_title_filename(core.active_view)
|
|
if current_title ~= core.window_title then
|
|
system.set_window_title(core.compose_window_title(current_title))
|
|
core.window_title = current_title
|
|
end
|
|
|
|
-- draw
|
|
renderer.begin_frame()
|
|
core.clip_rect_stack[1] = { 0, 0, width, height }
|
|
renderer.set_clip_rect(table.unpack(core.clip_rect_stack[1]))
|
|
core.root_view:draw()
|
|
renderer.end_frame()
|
|
return true
|
|
end
|
|
|
|
|
|
local run_threads = coroutine.wrap(function()
|
|
while true do
|
|
local max_time = 1 / config.fps - 0.004
|
|
local need_more_work = false
|
|
|
|
for k, thread in pairs(core.threads) do
|
|
-- run thread
|
|
if thread.wake < system.get_time() then
|
|
local _, wait = assert(coroutine.resume(thread.cr))
|
|
if coroutine.status(thread.cr) == "dead" then
|
|
if type(k) == "number" then
|
|
table.remove(core.threads, k)
|
|
else
|
|
core.threads[k] = nil
|
|
end
|
|
elseif wait then
|
|
thread.wake = system.get_time() + wait
|
|
else
|
|
need_more_work = true
|
|
end
|
|
end
|
|
|
|
-- stop running threads if we're about to hit the end of frame
|
|
if system.get_time() - core.frame_start > max_time then
|
|
coroutine.yield(true)
|
|
end
|
|
end
|
|
|
|
if not need_more_work then coroutine.yield(false) end
|
|
end
|
|
end)
|
|
|
|
|
|
function core.run()
|
|
local idle_iterations = 0
|
|
while true do
|
|
core.frame_start = system.get_time()
|
|
local did_redraw = core.step()
|
|
local need_more_work = run_threads()
|
|
if core.restart_request or core.quit_request then break end
|
|
if not did_redraw and not need_more_work then
|
|
idle_iterations = idle_iterations + 1
|
|
-- do not wait of events at idle_iterations = 1 to give a chance at core.step to run
|
|
-- and set "redraw" flag.
|
|
if idle_iterations > 1 then
|
|
if system.window_has_focus() then
|
|
-- keep running even with no events to make the cursor blinks
|
|
local t = system.get_time() - core.blink_start
|
|
local h = config.blink_period / 2
|
|
local dt = math.ceil(t / h) * h - t
|
|
system.wait_event(dt + 1 / config.fps)
|
|
else
|
|
system.wait_event()
|
|
end
|
|
end
|
|
else
|
|
idle_iterations = 0
|
|
local elapsed = system.get_time() - core.frame_start
|
|
system.sleep(math.max(0, 1 / config.fps - elapsed))
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
function core.blink_reset()
|
|
core.blink_start = system.get_time()
|
|
end
|
|
|
|
|
|
function core.request_cursor(value)
|
|
core.cursor_change_req = value
|
|
end
|
|
|
|
|
|
function core.on_error(err)
|
|
-- write error to file
|
|
local fp = io.open(USERDIR .. "/error.txt", "wb")
|
|
fp:write("Error: " .. tostring(err) .. "\n")
|
|
fp:write(debug.traceback(nil, 4) .. "\n")
|
|
fp:close()
|
|
-- save copy of all unsaved documents
|
|
for _, doc in ipairs(core.docs) do
|
|
if doc:is_dirty() and doc.filename then
|
|
doc:save(doc.filename .. "~")
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
return core
|