"Christopher M. Miles" writes:
Ihor, My new patch still have some issue in the 'fold state which I
added "FIXME" marker. Hope can get some solution from you.
From 4a56ec6b09e09d92a81e3aa72f4197d716d0ca87 Mon Sep 17 00:00:00 2001
From: stardiviner
Date: Mon, 12 Sep 2022 09:45:09 +0800
Subject: [PATCH 1/2] org.el: Support subtree-level image width specification
* lisp/org.el (org-display-inline-image--width): Detect subtree-level
property "ORG-IMAGE-ACTUAL-WIDTH" value as image width before fallback.
---
lisp/org.el | 12 +---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/lisp/org.el b/lisp/org.el
index 4eef56f45..07c86229b 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -12128,7 +12128,8 @@ but in some other way.")
"EXPORT_OPTIONS" "EXPORT_TEXT" "EXPORT_FILE_NAME"
"EXPORT_TITLE" "EXPORT_AUTHOR" "EXPORT_DATE" "UNNUMBERED"
"ORDERED" "NOBLOCKING" "COOKIE_DATA" "LOG_INTO_DRAWER" "REPEAT_TO_STATE"
-"CLOCK_MODELINE_TOTAL" "STYLE" "HTML_CONTAINER_CLASS")
+"CLOCK_MODELINE_TOTAL" "STYLE" "HTML_CONTAINER_CLASS"
+"ORG-IMAGE-ACTUAL-WIDTH")
"Some properties that are used by Org mode for various purposes.
Being in this list makes sure that they are offered for completion.")
@@ -16164,14 +16165,19 @@ buffer boundaries with possible narrowing."
(org-element-property :begin par)
(re-search-forward attr-re par-end t)))
(match-string 1)))
+ ;; support subtree-level property "ORG-IMAGE-ACTUAL-WIDTH" specified width.
+ (subtree-property-width
+(ignore-errors (org-property-or-variable-value 'ORG-IMAGE-ACTUAL-WIDTH)))
(width
(cond
;; Treat :width t as if `org-image-actual-width' were t.
((string= attr-width "t") nil)
- ;; Fallback to `org-image-actual-width' if no interprable width is given.
((or (null attr-width)
(string-match-p "\\`[^0-9]" attr-width))
- (car org-image-actual-width))
+ ;; Try to use subtree-level width before fallback.
+ (or subtree-property-width
+ ;; Fallback to `org-image-actual-width' if no interprable width is given.
+ (car org-image-actual-width)))
;; Convert numeric widths to numbers, converting percentages.
((string-match-p "\\`[0-9.]+%" attr-width)
(/ (string-to-number attr-width) 100.0))
--
2.37.2
From 2fc76c4581b60c6631186bfdc489732075432c26 Mon Sep 17 00:00:00 2001
From: stardiviner
Date: Tue, 13 Sep 2022 09:04:03 +0800
Subject: [PATCH 2/2] org.el: Add hook function to auto display inline images
of subtree
* lisp/org.el (org-display-subtree-with-inline-images): Add an option
and hook function to auto display of inline images under current
expanded visible subtree.
---
lisp/org.el | 43 +++
1 file changed, 43 insertions(+)
diff --git a/lisp/org.el b/lisp/org.el
index 07c86229b..0bd942e07 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -1104,6 +1104,13 @@ the following lines anywhere in the buffer:
:version "24.1"
:type 'boolean)
+(defcustom org-cycle-display-inline-images nil
+ "Non-nil means auto display inline images under subtree when `org-cycle'
+by the function `org-display-subtree-with-inline-images' on hook `org-cycle-hook'."
+ :group 'org-startup
+ :version "24.1"
+ :type 'boolean)
+
(defcustom org-startup-with-latex-preview nil
"Non-nil means preview LaTeX fragments when loading a new Org file.
@@ -16139,6 +16146,42 @@ buffer boundaries with possible narrowing."
(overlay-put ov 'keymap image-map))
(push ov org-inline-image-overlays
+(defun org-display-subtree-inline-images (&optional state)
+ "Toggle the display of inline images under current expanded visible subtree.
+This hook function will auto display or hide inline images after `org-cycle'.
+It is used to hook on `org-cycle-hook'.
+The function behavior is controlled by `org-cycle-display-inline-images'."
+ (interactive)
+ (when (and org-cycle-display-inline-images
+ ;; not global state change from `org-cycle-global'.
+ (not (memq state '(overview contents all
+(pcase state
+ ('children
+ (save-excursion
+ (save-restriction
+ (org-narrow-to-subtree)
+ ;; If has nested headlines, beg,end only from parent headling
+ ;; to first child headline which reference to upper let-binding
+ ;; `org-next-visible-heading'.
+ (org-display-inline-images t t (point-min) (progn (org-next-visible-heading 1) (point))
+ ('subtree
+ (save-excursion
+ (save-restriction
+ (org-narrow-to-subtree)
+ ;; If has nested headlines, also display inline images under all subtrees.
+ (org-display-inline-images t t (point-min) (point-max)
+
