From: "Christopher M. Miles" <numbchild@gmail.com>
To: Ihor Radchenko <yantar92@gmail.com>
Cc: "Christopher M. Miles" <numbchild@gmail.com>, emacs-orgmode@gnu.org
Subject: [PATCH] Re: [SOLVED] Re: [QUESTION] How to specific image size attributes under headline scope?
Date: Mon, 12 Sep 2022 09:54:17 +0800 [thread overview]
Message-ID: <m21qshcq6b.fsf@numbchild@gmail.com> (raw)
In-Reply-To: <87h71ew0m0.fsf@localhost>
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Ihor Radchenko <yantar92@gmail.com> writes:
> "Christopher M. Miles" <numbchild@gmail.com> writes:
>
>>> When I put it on beginning of org document, then preview inline images, but those global attributes
>>> not affected. The inline images still display in actual image size. I want to specify image size
>>> under headline properties. Is it possible to do this?
>>
>> I implemented this feature by written a hook. Hope this can be helpful
>> for someone who also has this needs. Here is the code:
>
> This looks useful.
> Would you be interested to write a patch?
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From 2ba9c048dd2609eb22a3924dd15f041b648ef859 Mon Sep 17 00:00:00 2001
From: stardiviner <numbchild@gmail.com>
Date: Mon, 12 Sep 2022 09:45:09 +0800
Subject: [PATCH] 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 | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/lisp/org.el b/lisp/org.el
index 6e6c437d5..594006551 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -1108,6 +1108,14 @@ the following lines anywhere in the buffer:
:version "24.1"
:type 'boolean)
+(defcustom org-cycle-display-inline-images nil
+ "Non-nil means show inline images when `org-cycle'.
+When this is t, org-mode will add 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.
@@ -16284,6 +16292,57 @@ buffer boundaries with possible narrowing."
(mapc #'delete-overlay org-inline-image-overlays)
(setq org-inline-image-overlays nil))
+(defun org-display-subtree-with-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)
+ ;; (not (memq state '(overview folded contents))) ; global state change
+ (when org-cycle-display-inline-images
+ (let ((display-inline-images-local
+ (lambda (beg end)
+ (org-display-inline-images t t beg end)
+ ;; display number of inline images which is intersection of two image overlays lists.
+ ;; (message "%d images displayed inline"
+ ;; (length (cl-intersection org-inline-image-overlays (overlays-in beg end))))
+ ))
+ (hide-inline-images-local
+ (lambda ()
+ (setq org-inline-image-overlays nil) ; (org-remove-inline-images)
+ (message "Inline image display turned off")))
+ (inline-image-width-override ; get headline property value as inline image width.
+ (lambda ()
+ ;; The property "INLINE-IMAGE-WIDTH" value should be integer. Reference `org-display-inline-image--width'.
+ (let* ((property-value (ignore-errors (org-property-or-variable-value 'INLINE-IMAGE-WIDTH)))
+ (width-integer (or (and property-value
+ (if (numberp property-value) property-value (string-to-number property-value)))
+ (- (/ (window-width (selected-window) t) 2) 100))))
+ (setq-local org-image-actual-width width-integer)))))
+ (pcase state
+ ('children
+ (save-excursion
+ (save-restriction
+ (org-narrow-to-subtree)
+ ;; If has nested headlines, beg,end only from parent headline
+ ;; to first child headline which reference to upper let-binding
+ ;; `org-next-visible-heading'.
+ (funcall display-inline-images-local (point-min) (progn (org-next-visible-heading 1) (point))))))
+ ('subtree
+ (save-excursion
+ (save-restriction
+ (org-narrow-to-subtree)
+ (funcall inline-image-width-override)
+ ;; If has nested headlines, also inline display images under all sub-headlines.
+ (funcall display-inline-images-local (point-min) (point-max)))))
+ ('folded
+ (funcall hide-inline-images-local))
+ ('nil (funcall 'org-toggle-inline-images))))))
+
+(add-hook 'org-cycle-hook #'org-display-subtree-with-inline-images)
+
+(add-to-list 'org-default-properties "INLINE-IMAGE-WIDTH")
+
(defvar org-self-insert-command-undo-counter 0)
(defvar org-speed-command nil)
--
2.37.2
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[ stardiviner ]
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Blog: https://stardiviner.github.io/
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GPG: F09F650D7D674819892591401B5DF1C95AE89AC3
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next prev parent reply other threads:[~2022-09-12 1:55 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 6:34 [QUESTION] How to specific image size attributes under headline scope? Christopher M. Miles
2021-11-22 18:31 ` Timothy
2022-08-18 12:44 ` Christopher M. Miles
[not found] ` <m2o7whra7j.fsf@numbchild>
2022-08-22 17:10 ` Timothy
2022-08-23 0:24 ` Christopher M. Miles
2022-09-11 2:20 ` [SOLVED] " Christopher M. Miles
2022-09-11 2:25 ` Christopher M. Miles
[not found] ` <631d472b.c80a0220.2b4b2.bf86SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-11 12:34 ` Ihor Radchenko
2022-09-12 1:54 ` Christopher M. Miles [this message]
2022-09-12 1:59 ` [PATCH] New: auto display inline images under subtree when `org-cycle' Christopher M. Miles
[not found] ` <m2wna9bbc2.fsf@numbchild>
2022-09-12 6:03 ` [ISSUE] " Christopher M. Miles
[not found] ` <631e92ee.050a0220.f9c18.92f5SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-12 10:51 ` Ihor Radchenko
2022-09-13 1:09 ` [PATCH 2] " Christopher M. Miles
[not found] ` <m2leqogiz8.fsf@numbchild>
2022-09-13 1:48 ` [PATCH 3] " Christopher M. Miles
[not found] ` <631fe1c9.050a0220.3ab2b.3f52SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-15 3:27 ` Ihor Radchenko
2022-09-15 4:53 ` [PATCH 4] " Christopher M. Miles
[not found] ` <6322b0a8.050a0220.59bb8.6923SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-15 8:47 ` Ihor Radchenko
2022-09-15 9:43 ` [PATCH 5] " Christopher M. Miles
[not found] ` <6322f5ad.c80a0220.5e936.823eSMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-20 7:01 ` [PATCH v6] " Ihor Radchenko
2022-09-20 11:32 ` [PATCH v6] " Christopher M. Miles
[not found] ` <6329c8b0.050a0220.412d.0a6cSMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-21 7:54 ` Ihor Radchenko
2022-09-28 12:55 ` [PATCH 2-v1] " Christopher M. Miles
[not found] ` <633454e3.050a0220.7278b.1fa5SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-29 3:05 ` Ihor Radchenko
2022-09-29 6:06 ` Christopher M. Miles
2022-09-29 6:57 ` [PATCH 2-v1 (test v1)] " Christopher M. Miles
[not found] ` <63353c69.370a0220.67788.e8a1SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-30 3:19 ` [PATCH 2-v1] " Ihor Radchenko
2022-09-30 8:27 ` [PATCH 2-v2] " Christopher M. Miles
[not found] ` <6336a955.050a0220.4e72e.2b23SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-01 3:16 ` Ihor Radchenko
2022-10-01 9:51 ` [PATCH 2-v3] " Christopher M. Miles
[not found] ` <63380f57.370a0220.a9d9a.dee8SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-03 3:21 ` Ihor Radchenko
2022-10-03 4:37 ` [PATCH 2-v4] " Christopher M. Miles
[not found] ` <633a67d8.050a0220.733e8.e57dSMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-04 4:36 ` Ihor Radchenko
2022-10-04 7:27 ` Christopher M. Miles
[not found] ` <633be6d3.370a0220.4060.bacdSMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-08 7:53 ` Ihor Radchenko
2022-10-08 9:50 ` Christopher M. Miles
[not found] ` <634149f4.c80a0220.1376.e564SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-09 7:21 ` Ihor Radchenko
2022-10-10 8:40 ` Christopher M. Miles
[not found] ` <m2v8os5aqy.fsf@numbchild>
2022-10-22 1:29 ` Christopher M. Miles
2022-10-23 4:33 ` Ihor Radchenko
2022-10-23 7:14 ` Christopher M. Miles
2022-10-25 7:23 ` Ihor Radchenko
2022-10-25 14:22 ` [PATCH v3] " Christopher M. Miles
2022-10-26 4:50 ` Ihor Radchenko
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