emacs-config/lisp/deadgrep-rejump-mode.el

109 lines
3.5 KiB
EmacsLisp

;;; deadgrep-rejump-mode.el --- -*- lexical-binding: t -*-
;; Copyright (C) 2024 Benson Chu
;; Author: Benson Chu <bensonchu457@gmail.com>
;; Created: [2024-01-25 09:39]
;; 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 'deadgrep)
(defun my/deadgrep-new-tab (orig &rest args)
(if (not (y-or-n-p "Deadgrep rejump mode? "))
(apply orig args)
(let ((tab-name (alist-get 'name (tab-bar--current-tab))))
(unless (string-match-p "-deadgrep$" tab-name)
(setq my/drj-tab (concat tab-name "-deadgrep"))
(switch-or-create-tab (concat tab-name "-deadgrep"))))
(when (window-parameter (selected-window) 'window-side)
(window-toggle-side-windows))
(let ((ignore-window-parameters t))
(delete-other-windows))
(apply orig args)
(deadgrep-rejump-mode 1)
(setq my/drj-buffer (current-buffer))))
(defun deadgrep-fold-everything ()
(interactive)
(when deadgrep-rejump-mode
(with-current-buffer my/drj-buffer
(save-excursion
(goto-char (point-min))
(condition-case nil
(while (not (eobp))
(progn
(deadgrep--move-match t 'deadgrep-filename-face)
(deadgrep-toggle-file-results)))
(error nil))))))
(add-hook 'deadgrep-finished-hook
#'deadgrep-fold-everything)
(advice-add #'deadgrep
:around
#'my/deadgrep-new-tab)
(defvar my/drj-buffer nil)
(defvar my/drj-tab nil)
;; (make-variable-buffer-local 'my/deadgrep-rejump-buffer)
(defun my/drj-jump (next-fun)
(when-let ((win (get-buffer-window my/drj-buffer)))
(let* ((curr-win (selected-window)))
(select-window win)
(funcall next-fun)
(deadgrep--visit-result
#'(lambda (f-name)
;; MUST HAPPEN BEFORE select-window, implicitly using
;; default-directory
(let ((buffer (find-file-noselect f-name)))
(select-window curr-win)
(switch-to-buffer buffer))))
(recenter))))
(defun my/drj-previous ()
(interactive)
(my/drj-jump #'deadgrep-backward-match))
(defun my/drj-next ()
(interactive)
(my/drj-jump #'deadgrep-forward-match))
(defvar deadgrep-rejump-mode-map nil)
(unless deadgrep-rejump-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "M-n") #'my/drj-next)
(define-key map (kbd "M-p") #'my/drj-previous)
(define-key map (kbd "M-q") #'(lambda () (interactive) (deadgrep-rejump-mode -1)))
(setq deadgrep-rejump-mode-map map)))
(define-minor-mode deadgrep-rejump-mode ""
:global t
:keymap deadgrep-rejump-mode-map
(if deadgrep-rejump-mode
(when my/drj-buffer
(user-error "drj already in progress, can't start another"))
(switch-or-create-tab my/drj-tab)
(close-tab-switch)
(setq my/drj-buffer nil
my/drj-tab nil)))
(provide 'deadgrep-rejump-mode)
;;; deadgrep-rejump-mode.el ends here