README.md

EAF PDF Viewer

PDF Viewer application for the Emacs Application Framework.

Load application

Install EAF first, then add below code in your emacs config:

(add-to-list 'load-path "~/.emacs.d/site-lisp/emacs-application-framework/")
(require 'eaf)
(require 'eaf-pdf-viewer)

LaTeX config

(add-to-list 'TeX-command-list '("XeLaTeX" "%`xelatex --synctex=1%(mode)%' %t" TeX-run-TeX nil t))
(add-to-list 'TeX-view-program-list '("eaf" eaf-pdf-synctex-forward-view))
(add-to-list 'TeX-view-program-selection '(output-pdf "eaf"))

Double click the left button to edit backward.

Translate current word

Double click the right button to edit backward.

You need re-implement eaf-translate-text yourself.

The translation tool used in the screenshot is: popweb

Dark mode

Default set background color to emacs-background-color

Override this behavior

(setq eaf-pdf-dark-mode nil)

Dependency List

Package	Description
python-pymupdf	PDF rendering engine
libreoffice	Convert doc file to pdf, optional

The keybinding of EAF PDF Viewer.

Key	Event
j	scroll_up
<down>	scroll_up
C-n	scroll_up
k	scroll_down
<up>	scroll_down
C-p	scroll_down
h	scroll_left
<left>	scroll_left
C-b	scroll_left
l	scroll_right
<right>	scroll_right
C-f	scroll_right
SPC	scroll_up_page
b	scroll_down_page
C-v	scroll_up_page
M-v	scroll_down_page
t	toggle_read_mode
0	zoom_reset
=	zoom_in
-	zoom_out
g	scroll_to_begin
G	scroll_to_end
p	jump_to_page
P	jump_to_percent
[	save_current_pos
]	jump_to_saved_pos
i	toggle_inverted_mode
C-i	toggle_inverted_image_mode
m	toggle_mark_link
f	jump_to_link
M-w	copy_select
C-s	search_text_forward
C-r	search_text_backward
x	close_buffer
z	eaf-ocr-buffer
C-<right>	rotate_clockwise
C-<left>	rotate_counterclockwise
M-h	add_annot_highlight
M-u	add_annot_underline
M-s	add_annot_squiggly
M-d	add_annot_strikeout_or_delete_annot
M-e	add_annot_text_or_edit_annot
M-p	toggle_presentation_mode
J	select_left_tab
K	select_right_tab
o	eaf-pdf-outline
O	eaf-pdf-outline-edit
T	toggle_trim_white_margin
C-t	toggle_last_position

Other Features and Customization

• (eaf-pdf-narrow-search): full-document line-based search and live-preview with ivy (for both PDF and EPUB)

• (eaf-pdf-narrow-search "toc"): search toc with ivy (for both PDF and EPUB)

  You can customize the search functions like this:

    (defun eaf-pdf-narrow-search-toc () (interactive) (eaf-pdf-narrow-search "toc"))
    (eaf-bind-key eaf-pdf-narrow-search-toc "C-o" eaf-pdf-viewer-keybinding)
    (eaf-bind-key eaf-pdf-narrow-search "/" eaf-pdf-viewer-keybinding)
  

• left double click: open an emacs buffer filled with text of current page and jump to the corresponding line. (for EPUB and PDF when synctex failed)

• set progress bar font size lively

  (setq eaf-pdf-show-progress-on-page 't) ;; default 24
  (setq eaf-pdf-show-progress-on-page nil) ;; hide progress bar
  (setq eaf-pdf-show-progress-on-page 20) ;; set font size to 20
  (setq eaf-pdf-show-progress-on-page 0) ;; hide progress bar

• click after select to copy text

  (setq eaf-pdf-click-to-copy t) # ;; default nil