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How to Give Presentations with Org Mode

Why?

  • No need for complicated presentation software
  • Impress and/or confuse your coworkers
  • Because it’s fun!

Initial Setup

https://github.com/takaxp/org-tree-slide

(use-package org-tree-slide
  :custom
  (org-image-actual-width nil))

Run org-tree-slide-mode! Navigate slides with C-< and C->

What Can It Do?

Display Images

System Crafters

I haven’t included these images with the notes so you will have to change the link to another image on your computer! You can do that with C-c C-l (org-insert-link) and link to the image without adding a description.

file:System Crafters2-01.png

Emacs

Emacs.png

Run Code Examples

This is a terrible code snippet for example purposes only!

(let ((output ""))
  (dolist (word '("Emacs" "is" "awesome!"))
          (setq output (concat output word " ")))
  (message (string-trim output)))

Countdown Timer

Run org-tree-slide-play-with-timer to have a countdown timer appear in your modeline.

Good for keeping track of how much time you have left!

Profiles

You can run each of these profiles after turning on org-tree-slide-mode

Simple Profile

Run org-tree-slide-simple-profile

Presentation Profile

Run org-tree-slide-presentation-profile

Narrowing Profile

Run org-tree-slide-narrowing-control-profile

Customization

You can also customize everything yourself without using the built-in profiles.

(use-package hide-mode-line)

(defun efs/presentation-setup ()
  ;; Hide the mode line
  (hide-mode-line-mode 1)

  ;; Display images inline
  (org-display-inline-images) ;; Can also use org-startup-with-inline-images

  ;; Scale the text.  The next line is for basic scaling:
  (setq text-scale-mode-amount 3)
  (text-scale-mode 1))

  ;; This option is more advanced, allows you to scale other faces too
  ;; (setq-local face-remapping-alist '((default (:height 2.0) variable-pitch)
  ;;                                    (org-verbatim (:height 1.75) org-verbatim)
  ;;                                    (org-block (:height 1.25) org-block))))

(defun efs/presentation-end ()
  ;; Show the mode line again
  (hide-mode-line-mode 0)

  ;; Turn off text scale mode (or use the next line if you didn't use text-scale-mode)
  ;; (text-scale-mode 0))

  ;; If you use face-remapping-alist, this clears the scaling:
  (setq-local face-remapping-alist '((default variable-pitch default))))

(use-package org-tree-slide
  :hook ((org-tree-slide-play . efs/presentation-setup)
         (org-tree-slide-stop . efs/presentation-end))
  :custom
  (org-tree-slide-slide-in-effect t)
  (org-tree-slide-activate-message "Presentation started!")
  (org-tree-slide-deactivate-message "Presentation finished!")
  (org-tree-slide-header t)
  (org-tree-slide-breadcrumbs " > ")
  (org-image-actual-width nil))

Generating a PDF of Slides

Run org-beamer-export-to-pdf, requires pdflatex and associated tools though!

More documentation: https://orgmode.org/worg/exporters/beamer/tutorial.html