nixos-configs/common/home-manager/emacs/packages/xe-tools.el

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;;; xe-tools --- Xe's tools
;;; Commentary:
;;; Code:
(defun xe/count-buffers (&optional display-anyway)
"Display or return the number of buffers."
(interactive)
(let ((buf-count (length (buffer-list))))
(if (or (interactive-p) display-anyway)
(message "%d buffers in this Emacs" buf-count)) buf-count))
(defun xe/look-of-disapproval ()
"Just in case we need this."
(interactive)
(insert "ಠ_ಠ"))
(defun xe/enable-minor-mode (my-pair)
"Enable minor mode if filename match the regexp. MY-PAIR is a cons
cell (regexp . minor-mode)."
(if (buffer-file-name)
(if (string-match (car my-pair) buffer-file-name)
(funcall (cdr my-pair)))))
(defun xe/tabnew-shell ()
"Opens a shell in a new tab (tmux Control-b c)."
(interactive)
(tab-bar-new-tab 1)
(let ((proj-type (projectile-project-type)))
(if (eq proj-type 'nil)
(vterm)
(projectile-run-vterm)))
(rename-uniquely))
(defun xe/kill-whitespace ()
"Kill the whitespace between two non-whitespace characters"
(interactive "*")
(save-excursion
(save-restriction
(save-match-data
(progn
(re-search-backward "[^ \t\r\n]" nil t)
(re-search-forward "[ \t\r\n]+" nil t)
(replace-match "" nil nil))))))
(defun xe/how-many-region (begin end regexp &optional interactive)
"Print number of non-trivial matches for REGEXP in region.
Non-interactive arguments are Begin End Regexp"
(interactive "r\nsHow many matches for (regexp): \np")
(let ((count 0) opoint)
(save-excursion
(setq end (or end (point-max)))
(goto-char (or begin (point)))
(while (and (< (setq opoint (point)) end)
(re-search-forward regexp end t))
(if (= opoint (point))
(forward-char 1)
(setq count (1+ count))))
(if interactive (message "%d occurrences" count))
count)))
(defun xe/linum-format-func (line)
"Properly format the line number"
(let ((w (length (number-to-string (count-lines (point-min) (point-max))))))
(propertize (format (format " %%%dd " w) line) 'face 'linum)))
(provide 'xe-tools)
;;; xe-tools.el ends here