105 lines
3.6 KiB
EmacsLisp
105 lines
3.6 KiB
EmacsLisp
;;; lang/org/autoload/org-present.el -*- lexical-binding: t; -*-
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;;;###if (featurep! +present)
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(defvar +org-present--overlays nil)
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;;;###autoload
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(defun +org-present/start ()
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"TODO"
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(interactive)
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(unless (derived-mode-p 'org-mode)
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(error "Not in an org buffer"))
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(call-interactively 'org-tree-slide-mode)
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(add-hook 'kill-buffer-hook '+org-present--cleanup-org-tree-slides-mode))
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;; --- Hooks ------------------------------
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;;;###autoload
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(defun +org-present|add-overlays ()
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(add-to-invisibility-spec '(+org-present))
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(save-excursion
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;; hide org-mode options starting with #+
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(goto-char (point-min))
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(while (re-search-forward "^[[:space:]]*\\(#\\+\\)\\(\\(?:BEGIN\\|END\\|ATTR\\)[^[:space:]]+\\).*" nil t)
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(+org-present--make-invisible
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(match-beginning 1)
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(match-end 0)))
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;; hide stars in headings
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(goto-char (point-min))
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(while (re-search-forward "^\\(\\*+\\s-\\)" nil t)
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(+org-present--make-invisible (match-beginning 1) (match-end 1)))))
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;;;###autoload
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(defun +org-present|remove-overlays ()
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(mapc #'delete-overlay +org-present--overlays)
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(remove-from-invisibility-spec '(+org-present)))
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;;;###autoload
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(defun +org-present|detect-slide ()
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(outline-show-all)
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(if (member "title" (org-get-tags-at))
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(text-scale-set 10)
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(text-scale-set +org-present-text-scale)))
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;;;###autoload
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(defun +org-present|init-org-tree-window ()
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"Set up the org window for presentation."
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(doom/window-zoom)
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(let ((cwm-use-vertical-padding t)
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(cwm-frame-internal-border 110)
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(cwm-left-fringe-ratio -10)
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(cwm-centered-window-width 240)
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(arg (if org-tree-slide-mode +1 -1)))
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(when (fboundp 'centered-window-mode)
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(centered-window-mode arg))
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(window-divider-mode (* arg -1))
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(doom-hide-modeline-mode arg)
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(+org-pretty-mode arg)
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(cond (org-tree-slide-mode
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(org-indent-mode -1)
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(text-scale-set +org-present-text-scale)
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(ignore-errors (org-toggle-latex-fragment '(4)))
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(set-face-attribute 'org-level-2 nil :height 1.4))
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(t
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(org-indent-mode +1)
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(text-scale-set 0)
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(org-remove-latex-fragment-image-overlays)
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(set-face-attribute 'org-level-2 nil :height 1.0)
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(+org-present|remove-overlays)
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(org-remove-inline-images)))))
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;; --- Helpers ----------------------------
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(defun +org-present--cleanup-org-tree-slides-mode ()
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(unless (cl-loop for buf in (doom-buffers-in-mode 'org-mode)
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if (buffer-local-value 'org-tree-slide-mode buf)
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return t)
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(org-tree-slide-mode -1)
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(remove-hook 'kill-buffer-hook #'+org-present--cleanup-org-tree-slides-mode)))
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(defun +org-present--make-invisible (beg end)
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(let ((overlay (make-overlay beg end)))
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(push overlay +org-present--overlays)
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(overlay-put overlay 'invisible '+org-present)))
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;; --- Advice -----------------------------
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;;;###autoload
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(defun +org-present*narrow-to-subtree (orig-fn &rest args)
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"Narrow to the target subtree when you start the presentation."
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(cl-letf (((symbol-function 'org-narrow-to-subtree)
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(lambda () (save-excursion
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(save-match-data
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(org-with-limited-levels
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(narrow-to-region
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(progn (org-back-to-heading t)
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(forward-line 1)
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(point))
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(progn (org-end-of-subtree t t)
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(when (and (org-at-heading-p) (not (eobp))) (backward-char 1))
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(point)))))))))
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(apply orig-fn args)))
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