emacs-config/lisp/frame-restore.el
2023-07-20 16:54:14 -05:00

89 lines
2.6 KiB
EmacsLisp

;;; frame-restore.el --- -*- lexical-binding: t -*-
;; Copyright (C) 2022 Benson Chu
;; Author: Benson Chu <bensonchu457@gmail.com>
;; Created: [2022-10-13 09:25]
;; This file is not part of GNU Emacs
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'frameset)
(defvar my/framelist nil)
(defun fr/non-tty-frames ()
(remove-if-not #'(lambda (frame)
(with-selected-frame frame
(and window-system
(not (string= "F1" (frame-parameter frame 'name))))))
(visible-frame-list)))
;; Upon emacs startup, we have a valid working state
(defvar fr/working-state t)
(defvar fr/startup t)
(defun fr/give-up-working-state ()
(interactive)
(setq fr/working-state t))
;; Whenever a new frame is created, and it's the first frame that's been
;; created, our working state has been wrecked.
(add-to-list 'server-after-make-frame-hook
(lambda (&rest _)
(if fr/startup
(setq fr/startup nil)
(when (<= (length (fr/non-tty-frames)) 1)
(setq fr/working-state nil)))))
(defun fr/save-if-appropriate (&rest _)
(interactive)
(let ((non-tty-frames
(fr/non-tty-frames)))
(when (and fr/working-state
(not (zerop (length (fr/non-tty-frames)))))
(setq my/framelist
(frameset-save (fr/non-tty-frames)))
(message "%s Framelist saved!"
(format-time-string "%Y-%m-%d %H:%M:%S")))))
(run-at-time nil (* 60 2) #'fr/save-if-appropriate)
(defun keep-display-ignore-daemon (ret)
(if (and ret
(daemonp))
nil
ret))
(advice-add #'frameset-keep-original-display-p
:filter-return
#'keep-display-ignore-daemon)
(defun fr/restore ()
(interactive)
(setq fr/working-state t)
(frameset-restore
my/framelist
:force-display t
:reuse-frames t)
(dolist (f (frame-list))
(unless (frame-visible-p f)
(delete-frame f))))
(provide 'frame-restore)
;;; frame-restore.el ends here