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- ;;; 05-custom-functions --- custom functions prefixed with "leo/"
-
- ;;; Commentary:
-
- ;;; Code:
-
- (defun leo/compile-init ()
- "If the current buffer is 'init.el', compile it."
- (interactive)
- (when (equal (buffer-file-name)
- (expand-file-name (concat user-emacs-directory "init.el")))
- ;; Avoid running hooks when tangling.
- (let ((prog-mode-hook nil))
- (byte-compile-file (concat user-emacs-directory "init.el")))))
-
- (defun leo/find-user-init-file ()
- "Edit the `~/.emacs.d/init.el' file."
- (interactive)
- (find-file "~/.emacs.d/init.el"))
-
-
- (defun leo/tidy ()
- "Indent, untabify and unwhitespacify current buffer, or region if active."
- (interactive)
- (let ((beg (if (region-active-p) (region-beginning) (point-min)))
- (end (if (region-active-p) (region-end) (point-max))))
- (let ((inhibit-message t))
- (indent-region beg end))
- (whitespace-cleanup)
- (untabify beg (if (< end (point-max)) end (point-max)))
- (if (region-active-p) (message "Indenting Region...Done") (message "Indenting File...Done"))))
-
- (defun leo/comment-or-uncomment-region-or-line ()
- "Comment or uncomment the region or the current line if there's no active region."
- (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)))
-
- (defun leo/duplicate-thing (comment)
- "Duplicates the current line, or the region if active. If an argument (COMMENT) is given, the duplicated region will be commented out."
- (interactive "P")
- (save-excursion
- (let ((start (if (region-active-p) (region-beginning) (point-at-bol)))
- (end (if (region-active-p) (region-end) (point-at-eol))))
- (goto-char end)
- (unless (region-active-p)
- (newline))
- (insert (buffer-substring start end))
- (when comment (comment-region start end)))))
-
- (defun leo/kill-this-buffer-unless-scratch ()
- "Works like `kill-this-buffer' unless the current buffer is the *scratch* buffer. In which case the buffer content is deleted and the buffer is buried."
- (interactive)
- (if (or (string= (buffer-name) "*dashboard*") (string= (buffer-name) "*scratch*"))
- (progn
- (bury-buffer (buffer-name))
- (switch-to-buffer (other-buffer)))
- (kill-this-buffer)))
-
- (defun leo/jump-to-symbol (&optional backwardp)
- "Jumps to the next symbol near the point if such a symbol exists. If BACKWARDP is non-nil it jumps backward."
- (let* ((point (point))
- (bounds (find-tag-default-bounds))
- (beg (car bounds)) (end (cdr bounds))
- (str (isearch-symbol-regexp (find-tag-default)))
- (search (if backwardp 'search-backward-regexp
- 'search-forward-regexp)))
- (goto-char (if backwardp beg end))
- (funcall search str nil t)
- (cond ((<= beg (point) end) (goto-char point))
- (backwardp (forward-char (- point beg)))
- (t (backward-char (- end point))))))
-
- (defun leo/jump-to-prev-symbol ()
- "Jumps to the previous occurrence of the symbol at point."
- (interactive)
- (leo/jump-to-symbol t))
-
- (defun leo/jump-to-next-symbol ()
- "Jumps to the next occurrence of the symbol at point."
- (interactive)
- (leo/jump-to-symbol))
-
- (defun leo/last-car (list)
- "Return only the item in the last position of a LIST."
- (car (last list))
- )
- (defun leo/get-package-from-url (url)
- "Accept a URL and return a stripped package name."
- (let ((mode
- (car
- (split-string
- (leo/last-car (split-string url "/" t))
- "\\." nil)
- )
- ))
- (message mode))
- )
-
- (defun leo/org-global-props (&optional property buffer)
- "Get the plists of global org PROPERTY of current BUFFER."
- (unless property (setq property "PROPERTY"))
- (with-current-buffer (or buffer (current-buffer))
- (org-element-map (org-element-parse-buffer) 'keyword (lambda (el) (when (string-match property (org-element-property :key el)) el)))))
-
- (defun leo/org-global-prop-value (key)
- "Get global org property KEY (case sensitive) of current buffer."
- (org-element-property :value (car (leo/org-global-props key))))
-
- (defun leo/deft-insert-boilerplate ()
- "Insert boilerplate into newly create roam note."
- (interactive)
- (let ((title (leo/org-global-prop-value "TITLE"))
- (startup (leo/org-global-prop-value "STARTUP")))
- (when (not startup)
- (kill-region (point-min) (point-max))
- (goto-char (point-min))
- (insert (format "#+TITLE: %s\n" title))
- (insert "#+STARTUP: showall\n")
- (insert "\n")
- (insert "* Metadata:\n")
- (insert "** Tags: ")
- (goto-char (point-max)))))
-
- (defun leo/org-narrow-prev-tree ()
- "When in a narrowed region, this will take you to the previous heading and narrow."
- (interactive)
- (goto-char (point-min))
- (widen)
- (org-backward-element)
- (org-narrow-to-subtree))
-
- (defun leo/org-narrow-next-tree ()
- "When in a narrowed region, this will take you to the next heading and narrow."
- (interactive)
- (goto-char (point-min))
- (widen)
- (org-forward-element)
- (org-narrow-to-subtree))
-
- (defun leo/org-present ()
- "Begin an `org-mode' presentation."
- (interactive)
- (defvar old-mlf nil "Temp storage of mode-line-format while in 'present mode'.")
- (if (buffer-narrowed-p)
- (progn
- (widen)
- (setq mode-line-format old-mlf)
- (setq cursor-type 'box)
- (read-only-mode -1)
- (text-scale-adjust 0)
- (visual-line-mode nil)
- (toggle-word-wrap nil)
- (message "No longer presenting")
- )
- (setq old-mlf mode-line-format)
- (setq mode-line-format nil)
- (org-narrow-to-subtree)
- (setq cursor-type nil)
- (read-only-mode 1)
- (text-scale-adjust 6)
- (visual-line-mode 1)
- (toggle-word-wrap 1)
- (message "Presenting")
- ))
-
-
- (provide '05-custom-functions)
- ;;; 05-custom-functions.el ends here
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