133 lines
5.4 KiB
EmacsLisp
133 lines
5.4 KiB
EmacsLisp
;;; tools/pdf/config.el -*- lexical-binding: t; -*-
|
|
|
|
(use-package! pdf-tools
|
|
:mode ("\\.pdf\\'" . pdf-view-mode)
|
|
:magic ("%PDF" . pdf-view-mode)
|
|
:init
|
|
(after! pdf-annot
|
|
(defun +pdf-cleanup-windows-h ()
|
|
"Kill left-over annotation buffers when the document is killed."
|
|
(when (buffer-live-p pdf-annot-list-document-buffer)
|
|
(pdf-info-close pdf-annot-list-document-buffer))
|
|
(when (buffer-live-p pdf-annot-list-buffer)
|
|
(kill-buffer pdf-annot-list-buffer))
|
|
(let ((contents-buffer (get-buffer "*Contents*")))
|
|
(when (and contents-buffer (buffer-live-p contents-buffer))
|
|
(kill-buffer contents-buffer))))
|
|
(add-hook! 'pdf-view-mode-hook
|
|
(add-hook 'kill-buffer-hook #'+pdf-cleanup-windows-h nil t)))
|
|
|
|
:config
|
|
(defadvice! +pdf--install-epdfinfo-a (orig-fn &rest args)
|
|
"Install epdfinfo after the first PDF file, if needed."
|
|
:around #'pdf-view-mode
|
|
(if (file-executable-p pdf-info-epdfinfo-program)
|
|
(apply orig-fn args)
|
|
;; If we remain in pdf-view-mode, it'll spit out cryptic errors. This
|
|
;; graceful failure is better UX.
|
|
(fundamental-mode)
|
|
(message "Viewing PDFs in Emacs requires epdfinfo. Use `M-x pdf-tools-install' to build it")))
|
|
|
|
(pdf-tools-install-noverify)
|
|
|
|
;; For consistency with other special modes
|
|
(map! :map pdf-view-mode-map :gn "q" #'kill-current-buffer)
|
|
|
|
(setq-default pdf-view-display-size 'fit-page)
|
|
;; Enable hiDPI support, but at the cost of memory! See politza/pdf-tools#51
|
|
(setq pdf-view-use-scaling t
|
|
pdf-view-use-imagemagick nil)
|
|
|
|
;; Handle PDF-tools related popups better
|
|
(set-popup-rules!
|
|
'(("^\\*Outline*" :side right :size 40 :select nil)
|
|
("\\(?:^\\*Contents\\|'s annots\\*$\\)" :ignore t)))
|
|
|
|
;; The mode-line does serve any useful purpose is annotation windows
|
|
(add-hook 'pdf-annot-list-mode-hook #'hide-mode-line-mode)
|
|
|
|
;; HACK Fix #1107: flickering pdfs when evil-mode is enabled
|
|
(setq-hook! 'pdf-view-mode-hook evil-normal-state-cursor (list nil))
|
|
|
|
;; HACK Refresh FG/BG for pdfs when `pdf-view-midnight-colors' is changed by a
|
|
;; theme or with `setq!'.
|
|
;; TODO PR this upstream?
|
|
(defun +pdf-reload-midnight-minor-mode-h ()
|
|
(when pdf-view-midnight-minor-mode
|
|
(pdf-info-setoptions
|
|
:render/foreground (car pdf-view-midnight-colors)
|
|
:render/background (cdr pdf-view-midnight-colors)
|
|
:render/usecolors t)
|
|
(pdf-cache-clear-images)
|
|
(pdf-view-redisplay t)))
|
|
(put 'pdf-view-midnight-colors 'custom-set
|
|
(lambda (sym value)
|
|
(set-default sym value)
|
|
(dolist (buffer (doom-buffers-in-mode 'pdf-view-mode))
|
|
(with-current-buffer buffer
|
|
(if (get-buffer-window buffer)
|
|
(+pdf-reload-midnight-minor-mode-h)
|
|
;; Defer refresh for buffers that aren't visible, to avoid
|
|
;; blocking Emacs for too long while changing themes.
|
|
(add-hook 'doom-switch-buffer-hook #'+pdf-reload-midnight-minor-mode-h
|
|
nil 'local))))))
|
|
|
|
;; Add retina support for MacOS users
|
|
(eval-when! IS-MAC
|
|
(defun +pdf-view-create-page-a (page &optional window)
|
|
"Create an image of PAGE for display on WINDOW."
|
|
:override #'pdf-view-create-page
|
|
(let* ((size (pdf-view-desired-image-size page window))
|
|
(width (if (not (pdf-view-use-scaling-p))
|
|
(car size)
|
|
(* 2 (car size))))
|
|
(data (pdf-cache-renderpage
|
|
page width width))
|
|
(hotspots (pdf-view-apply-hotspot-functions
|
|
window page size)))
|
|
(pdf-view-create-image data
|
|
:width width
|
|
:scale (if (pdf-view-use-scaling-p) 0.5 1)
|
|
:map hotspots
|
|
:pointer 'arrow)))
|
|
|
|
(defvar +pdf--scaled-p nil)
|
|
(defadvice! +pdf--scale-up-on-retina-display-a (orig-fn &rest args)
|
|
"Scale up the PDF on retina displays."
|
|
:around #'pdf-util-frame-scale-factor
|
|
(cond ((not pdf-view-use-scaling) 1)
|
|
((and (memq (pdf-view-image-type) '(imagemagick image-io))
|
|
(fboundp 'frame-monitor-attributes))
|
|
(funcall orig-fn))
|
|
;; Add special support for retina displays on MacOS
|
|
((and (eq (framep-on-display) 'ns)
|
|
(not +pdf--scaled-p)
|
|
EMACS27+)
|
|
(setq-local +pdf--scaled-p t)
|
|
2)
|
|
(1)))
|
|
|
|
(defadvice! +pdf--use-scaling-on-ns-a ()
|
|
:before-until #'pdf-view-use-scaling-p
|
|
(and (eq (framep-on-display) 'ns)
|
|
EMACS27+))
|
|
|
|
(defadvice! +pdf--supply-width-to-create-image-calls-a (orig-fn &rest args)
|
|
:around '(pdf-annot-show-annotation
|
|
pdf-isearch-hl-matches
|
|
pdf-view-display-region)
|
|
(letf! (defun create-image (file-or-data &optional type data-p &rest props)
|
|
(apply create-image file-or-data type data-p
|
|
:width (car (pdf-view-image-size))
|
|
props))
|
|
(apply orig-fn args))))
|
|
|
|
;; Silence "File *.pdf is large (X MiB), really open?" prompts for pdfs
|
|
(defadvice! +pdf-suppress-large-file-prompts-a (orig-fn size op-type filename &optional offer-raw)
|
|
:around #'abort-if-file-too-large
|
|
(unless (string-match-p "\\.pdf\\'" filename)
|
|
(funcall orig-fn size op-type filename offer-raw))))
|
|
|
|
|
|
(use-package! saveplace-pdf-view
|
|
:after pdf-view)
|