-;;; bandali-utils.el --- useful utilities -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2020 Amin Bandali
-
-;; Author: Amin Bandali <bandali@gnu.org>
-;; Keywords: lisp, tools
-
-;; 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:
-
-;; A small collection of useful utilities used through my init files.
-
-;;; Code:
-
-(require 'cl-lib)
-
-(defmacro csetq (&rest args)
- "Set the value of user option VAR to VALUE.
-
-More generally, you can use multiple variables and values, as in
- (csetq VAR VALUE VAR VALUE...)
-This sets each user option VAR's value to the corresponding VALUE.
-
-\(fn [VAR VALUE]...)"
- (declare (debug setq))
- `(progn
- ,@(cl-loop for (var value) on args by 'cddr
- collect
- `(funcall (or (get ',var 'custom-set) #'set-default)
- ',var ,value))))
-
-(defun b/start-process (program &rest args)
- "Same as `start-process', but doesn't bother about name and buffer."
- (let ((process-name (concat program "_process"))
- (buffer-name (generate-new-buffer-name
- (concat program "_output"))))
- (apply #'start-process
- process-name buffer-name program args)))
-
-(defun b/dired-start-process (program &optional args)
- "Open current file with a PROGRAM."
- ;; Shell command looks like this: "program [ARGS]... FILE" (ARGS can
- ;; be nil, so remove it).
- (declare-function dired-get-file-for-visit "dired")
- (apply #'b/start-process
- program
- (remove nil (list args (dired-get-file-for-visit)))))
-
-(defun b/add-elisp-section ()
- (interactive)
- (insert "\n")
- (forward-line -1)
- (insert "\n\f\n;;; "))
-
-;; (defvar b/fill-column 47
-;; "My custom `fill-column'.")
-
-(defconst b/asterism "* * *")
-
-(defun b/insert-asterism ()
- "Insert a centred asterism."
- (interactive)
- (insert
- (concat
- "\n"
- (make-string (floor (/ (- fill-column (length b/asterism)) 2))
- ?\s)
- b/asterism
- "\n")))
-
-(defun b/no-mouse-autoselect-window ()
- "Conveniently disable `focus-follows-mouse'.
-For disabling the behaviour for certain buffers and/or modes."
- (make-local-variable 'mouse-autoselect-window)
- (setq mouse-autoselect-window nil))
-
-(defun b/kill-current-buffer ()
- "Kill the current buffer."
- ;; also see https://redd.it/64xb3q
- (interactive)
- (kill-buffer (current-buffer)))
-
-(defun b/move-indentation-or-beginning-of-line (arg)
- "Move to the indentation or to the beginning of line."
- (interactive "^p")
- ;; (if (bolp)
- ;; (back-to-indentation)
- ;; (move-beginning-of-line arg))
- (if (= (point)
- (progn (back-to-indentation)
- (point)))
- (move-beginning-of-line arg)))
-
-(defun b/join-line-top ()
- "Like `join-line', but join next line to the current line."
- (interactive)
- (join-line 1))
-
-(defun b/duplicate-line-or-region (&optional n)
- "Duplicate the current line, or region (if active).
-Make N (default: 1) copies of the current line or region."
- (interactive "*p")
- (let ((u-r-p (use-region-p)) ; if region is active
- (n1 (or n 1)))
- (save-excursion
- (let ((text
- (if u-r-p
- (buffer-substring (region-beginning) (region-end))
- (prog1 (thing-at-point 'line)
- (end-of-line)
- (if (eobp)
- (newline)
- (forward-line 1))))))
- (dotimes (_ (abs n1))
- (insert text))))))
-
-(provide 'bandali-utils)
-;;; bandali-utils.el ends here