diff options
Diffstat (limited to 'org-drill.el')
| -rw-r--r-- | org-drill.el | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/org-drill.el b/org-drill.el index 6872d29..6885791 100644 --- a/org-drill.el +++ b/org-drill.el @@ -2261,13 +2261,16 @@ RESCHEDULE-FN is the function to reschedule." (ignore-errors (org-display-inline-images t)) (org-drill-hide-drawers) - (org-clear-latex-preview) - (save-excursion - (org-mark-subtree) - (let ((beg (region-beginning)) - (end (region-end))) - (org--latex-preview-region beg end)) - (deactivate-mark)) + ;; LaTeX preview helpers require a window-system frame + ;; (upstream issue #44). Skip on TTY. + (when (display-graphic-p) + (org-clear-latex-preview) + (save-excursion + (org-mark-subtree) + (let ((beg (region-beginning)) + (end (region-end))) + (org--latex-preview-region beg end)) + (deactivate-mark))) (org-drill-with-hidden-cloze-hints (funcall reschedule-fn session)))))) @@ -2285,9 +2288,14 @@ RESCHEDULE-FN is the function to reschedule." (org-drill-hide-subheadings-if 'org-drill-entry-p)))))) (defun org-drill--show-latex-fragments () - "Show latex fragment." - (org-clear-latex-preview) - (org-latex-preview '(16))) + "Show LaTeX fragments as inline images. +No-op on TTY frames — `org-latex-preview' requires a window system +and otherwise raises \"Window system frame should be used\" (upstream +issue #44, 2021). The TTY user just doesn't see preview images, +which is the right behavior." + (when (display-graphic-p) + (org-clear-latex-preview) + (org-latex-preview '(16)))) (defun org-drill-present-two-sided-card (session) (org-drill-with-hidden-comments |