confi-emacs-actual/configs/init-functions.el

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;;; init-functions.el --- Configuración de org-mode -*- lexical-binding: t -*-
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;; Author: kj <webmaster@outcontrol.net>
;; URL: https://git.kj2.me/kj/confi-emacs-actual
;;; Commentary:
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;; Aqui se encuentran funciones sueltas de Emacs.
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;;; Code:
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;; Permite cambiar la transparencia de emacs.
(defun transparency (value)
"Change the transparency of the frame window, setting VALUE from 0 to 100."
(interactive "nTransparency Value 0 - 100 opaque:")
(set-frame-parameter nil 'alpha-background value))
;; Crear captura SVG del frame atual. Fuente: https://www.reddit.com/r/emacs/comments/idz35e/emacs_27_can_take_svg_screenshots_of_itself/
(defun screenshot-svg ()
"Save a screenshot of the current frame as an SVG image.
Saves to a temp file and puts the filename in the kill ring."
(interactive)
(let* ((filename (make-temp-file "Emacs" nil ".svg"))
(data (x-export-frames nil 'svg)))
(with-temp-file filename
(insert data))
(kill-new filename)
(message filename)))
;; Comentar línea o región
(defun comment-or-uncomment-region-or-line ()
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"Comments or uncomments the region or the current line."
(interactive)
(let (beg end)
(if (region-active-p)
(setq beg (region-beginning) end (region-end))
(setq beg (line-beginning-position) end (line-end-position)))
(comment-or-uncomment-region beg end)
;;(next-line) ;; saltar a la siguiente línea
))
;; Duplicar la línea actual
(defun duplicate-current-line (&optional n)
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"Duplicate current line, make more than 1 copy given a numeric (N) argument."
(interactive "p")
(save-excursion
(let ((nb (or n 1))
(current-line (thing-at-point 'line)))
;; when on last line, insert a newline first
(when (or (= 1 (forward-line 1)) (eq (point) (point-max)))
(insert "\n"))
;; now insert as many time as requested
(while (> n 0)
(insert current-line)
(decf n)))))
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;; Borrar espacios, tabs y saltos de línea innecesarios al guardar
(add-hook 'before-save-hook 'delete-trailing-whitespace)
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;; Mostrar y ocultar el diff de la línea de git-gutter
(defun git-gutter:toggle-popup-hunk ()
"Toggle 'git-gutter' hunk window."
(interactive)
(if (and (get-buffer "*git-gutter:diff*") (window-live-p (git-gutter:popup-buffer-window)))
(delete-window (git-gutter:popup-buffer-window))
(git-gutter:popup-hunk)))
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(provide 'init-functions)
;;; init-functions.el ends here.