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lang/latex: refactor default viewer resolution

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And add evince to list of auto-detected viewers.

This should fix an issue where preview-pane was used regardless of what
viewer(s) were available.
This commit is contained in:
Henrik Lissner 2019-08-27 00:11:52 -04:00
parent a9b5640d1f
commit 3fae411918
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GPG key ID: 5F6C0EA160557395
2 changed files with 36 additions and 34 deletions
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22
modules/lang/latex/+viewers.el
View file

@ -1,13 +1,17 @@
;;; lang/latex/+viewers.el -*- lexical-binding: t; -*-
(catch 'found-viewer
(dolist (viewer +latex-viewers)
(if (pcase viewer
;; fall back pdf previewing to latex-preview-pane
(add-to-list 'TeX-view-program-selection '(output-pdf "preview-pane") 'append)
(add-to-list 'TeX-view-program-list '("preview-pane" latex-preview-pane-mode))
(dolist (viewer +latex-viewers)
(pcase viewer
(`skim
(when (and IS-MAC
(file-exists-p! (or "/Applications/Skim.app"
"~/Applications/Skim.app")))
(add-to-list 'TeX-view-program-selection '(output-pdf "Skim"))))
(`sumatrapdf
(when (and IS-WINDOWS
(executable-find "SumatraPDF"))
@ -24,6 +28,10 @@
(when (executable-find "zathura")
(add-to-list 'TeX-view-program-selection '(output-pdf "Zathura"))))
(`evince
(when (executable-find "evince")
(add-to-list 'TeX-view-program-selection '(output-pdf "Evince"))))
(`pdf-tools
(when (featurep! :tools pdf)
(add-to-list 'TeX-view-program-selection '(output-pdf "PDF Tools"))
@ -31,13 +39,7 @@
;; PDF Tools isn't in `TeX-view-program-list-builtin' on macs
(add-to-list 'TeX-view-program-list '("PDF Tools" TeX-pdf-tools-sync-view)))
;; Update PDF buffers after successful LaTeX runs
(add-hook 'TeX-after-compilation-finished-function #'TeX-revert-document-buffer))))
(throw 'found-viewer t)))
;; fall back to latex-preview-pane
(add-to-list 'TeX-view-program-list '("preview-pane" latex-preview-pane-mode))
(add-to-list 'TeX-view-program-selection '(output-pdf "preview-pane")))
(add-hook 'TeX-after-compilation-finished-function #'TeX-revert-document-buffer)))))
(after! latex-preview-pane

2
modules/lang/latex/config.el
View file

@ -11,7 +11,7 @@
enabling unicode symbols in math regions. This requires the unicode-math latex
package to be installed.")
(defvar +latex-viewers `(skim sumatrapdf zathura okular pdf-tools)
(defvar +latex-viewers '(skim evince sumatrapdf zathura okular pdf-tools)
"A list of enabled latex viewers to use, in this order. If they don't exist,
they will be ignored. Recognized viewers are skim, zathura, okular and
pdf-tools.