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emacs/org/elpa/burly-20221024.2019/burly-tabs.el
2023-04-07 15:25:24 -04:00

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EmacsLisp

;;; burly-tabs.el --- Burly's support for tab-bar -*- lexical-binding: t; -*-
;; Copyright (C) 2022 Adam Porter
;; Author: Adam Porter <adam@alphapapa.net>
;; Keywords: tab-bar, tabs, frames
;; 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:
;; This library provides support for `tab-bar-mode'.
;;; Code:
;; TODO: In Emacs 28, add an entry to the tab context menu. See
;; <https://lists.gnu.org/archive/html/emacs-devel/2021-09/msg00590.html>.
;;;; Requirements
(require 'cl-lib)
(require 'map)
(require 'tab-bar)
(require 'burly)
;;;; Commands
;;;###autoload
(define-minor-mode burly-tabs-mode
"Integrate Burly with `tab-bar-mode'.
When active, Burly bookmarks are opened in new tabs and named
accordingly."
:global t
:group 'burly
(unless (version<= "28.1" emacs-version)
(user-error "`burly-tabs-mode' requires Emacs 28.1 or later"))
(if burly-tabs-mode
(progn
(advice-add #'burly--windows-set :before #'burly-tabs--windows-set-before-advice)
(advice-add #'burly--windows-set :after #'burly-tabs--windows-set-after-advice))
;; Disable mode.
(advice-remove #'burly--windows-set #'burly-tabs--windows-set-before-advice)
(advice-remove #'burly--windows-set #'burly-tabs--windows-set-after-advice)))
(cl-defun burly-tabs-reset-tab (&optional (tab (tab-bar--current-tab-find)))
"Reset TAB to its saved configuration.
Resets TAB to the Burly bookmark that it was created from."
(interactive)
(pcase-let* ((`(,_ . ,(map burly-bookmark-name)) tab))
(unless burly-bookmark-name
(user-error "Tab has no associated Burly bookmark (`burly-tabs-mode' must be enabled when opening a bookmark)"))
(burly-open-bookmark burly-bookmark-name)))
(defalias 'burly-reset-tab #'burly-tabs-reset-tab)
;;;; Functions
(defun burly-tabs--windows-set-before-advice (&rest _ignore)
"Cause bookmark to be opened in a tab by that name.
If a tab already exists named the value of
`burly-opened-bookmark-name', select it; otherwise call
`tab-bar-new-tab'. To be used as advice to
`burly-open-bookmark'."
(if (tab-bar--tab-index-by-name burly-opened-bookmark-name)
(tab-bar-select-tab-by-name burly-opened-bookmark-name)
(tab-bar-new-tab)))
(defun burly-tabs--windows-set-after-advice (&rest _ignore)
"Set current tab's `burly-bookmark-name' to BOOKMARK-NAME.
To be used as advice to `burly--windows-set'."
(tab-rename burly-opened-bookmark-name)
(let ((current-tab (tab-bar--current-tab-find)))
(setf (alist-get 'burly-bookmark-name (cdr current-tab))
burly-opened-bookmark-name)))
(provide 'burly-tabs)
;;; burly-tabs.el ends here