[PATCH] image-dired-show-all-from-dir: reuse dired's default directory

[Sacha Chua <sacha@sachachua.com>]

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Hello, everyone!

With a tiny tweak, image-dired-show-all-from-dir can handle a bunch of
things that dired can handle already (view arbitrary list of files,
handle wildcards). This is how I've been using it to quickly look at the
most recent screenshots in a couple of directories:
https://sachachua.com/blog/2025/01/using-image-dired-to-browse-the-latest-screenshots-from-multiple-directories/

What do you think? I believe I have copyright
assignment papers on file, although this is a tiny change.


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From afc2b649cd2b26765f4a7fd4c6f3eac51c4018f5 Mon Sep 17 00:00:00 2001
From: Sacha Chua <sacha@sachachua.com>
Date: Thu, 2 Jan 2025 14:52:28 -0500
Subject: [PATCH] image-dired-show-all-from-dir: Reuse dired's
 default-directory

* lisp/image/image-dired.el (image-dired-show-all-from-dir): Delegate
figuring out default-directory to dired. This handles the case where
image-dired is called with a cons cell that has a directory in the car
and a list of files in the cdr, which dired can handle, and therefore
allows image-dired-show-all-from-dir to show an arbitrary list of
images. It also means that image-dired-show-all-from-dir can handle
wildcards.
---
 lisp/image/image-dired.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/image/image-dired.el b/lisp/image/image-dired.el
index 83745e88f09..06fbca6a3f7 100644
--- a/lisp/image/image-dired.el
+++ b/lisp/image/image-dired.el
@@ -630,7 +630,8 @@ image-dired-show-all-from-dir
   (interactive "DShow thumbnails for directory: ")
   (dired dir)
   (dired-mark-files-regexp (image-dired--file-name-regexp))
-  (let ((files (dired-get-marked-files nil nil nil t)))
+  (let ((files (dired-get-marked-files nil nil nil t))
+        (dired-default-directory default-directory))
     (cond ((and (null (cdr files)))
            (message "No image files in directory"))
           ((or (not image-dired-show-all-from-dir-max-files)
@@ -644,7 +645,7 @@ image-dired-show-all-from-dir
            (let ((inhibit-message t))
              (dired-unmark-all-marks))
            (pop-to-buffer image-dired-thumbnail-buffer)
-           (setq default-directory dir)
+           (setq default-directory dired-default-directory)
            (image-dired--update-header-line))
           (t (message "Image-Dired canceled")))))
 
-- 
2.43.0


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Sacha