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From: martin rudalics <rudalics@gmx.at>
To: Juri Linkov <juri@linkov.net>
Cc: Arthur Miller <arthur.miller@live.com>, emacs-devel@gnu.org
Subject: Re: Patch proposal: display symbol source code in help buffers
Date: Thu, 23 Sep 2021 10:15:54 +0200	[thread overview]
Message-ID: <139ba228-b232-4844-bd21-0a434b6863f1@gmx.at> (raw)
In-Reply-To: <61e73f21-5922-52f3-6655-463dd0eb20c5@gmx.at>

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 > We can't.  We'd have to provide a white- or blacklist for that purpose.

Actually we have such a blacklist already - it's 'display-buffer-alist'.
Please have a look at the attached diffs.

martin

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[-- Attachment #2: resize-temp-buffer-window.diff --]
[-- Type: text/x-patch; name="resize-temp-buffer-window.diff", Size: 3113 bytes --]

diff --git a/lisp/help.el b/lisp/help.el
index 29ae340481..b67b5a4237 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -1589,6 +1589,16 @@ temp-buffer-resize-mode
       (add-hook 'temp-buffer-show-hook 'resize-temp-buffer-window 'append)
     (remove-hook 'temp-buffer-show-hook 'resize-temp-buffer-window)))

+(defun resize-temp-buffer-window-inhibit (buffer &optional horizontal)
+  "Return non-nil if windows on BUFFER should not be resized automatically.
+`resize-temp-buffer-window' calls this function to check whether
+`display-buffer-alist' contains a setting that inhibits
+auto-resizing of any window showing BUFFER."
+  (assq
+   (if horizontal 'window-width 'window-height)
+   (display-buffer-assq-regexp
+    (buffer-name buffer) display-buffer-alist nil)))
+
 (defun resize-temp-buffer-window (&optional window)
   "Resize WINDOW to fit its contents.
 WINDOW must be a live window and defaults to the selected one.
@@ -1607,26 +1617,33 @@ resize-temp-buffer-window
 This function may call `preserve-window-size' to preserve the
 size of WINDOW."
   (setq window (window-normalize-window window t))
-  (let ((height (if (functionp temp-buffer-max-height)
+  (let* ((buffer (window-buffer window))
+         (height (if (functionp temp-buffer-max-height)
+		     (with-selected-window window
+		       (funcall temp-buffer-max-height buffer))
+		   temp-buffer-max-height))
+	 (width (if (functionp temp-buffer-max-width)
 		    (with-selected-window window
-		      (funcall temp-buffer-max-height (window-buffer)))
-		  temp-buffer-max-height))
-	(width (if (functionp temp-buffer-max-width)
-		   (with-selected-window window
-		     (funcall temp-buffer-max-width (window-buffer)))
-		 temp-buffer-max-width))
-	(quit-cadr (cadr (window-parameter window 'quit-restore))))
+		      (funcall temp-buffer-max-width buffer))
+		  temp-buffer-max-width))
+	 (quit-cadr (cadr (window-parameter window 'quit-restore))))
     ;; Resize WINDOW iff it was made by `display-buffer'.
     (when (or (and (eq quit-cadr 'window)
 		   (or (and (window-combined-p window)
 			    (not (eq fit-window-to-buffer-horizontally
 				     'only))
-			    (pos-visible-in-window-p (point-min) window))
+			    (pos-visible-in-window-p
+                             (with-current-buffer buffer (point-min))
+                             window)
+                            (not (resize-temp-buffer-window-inhibit buffer)))
 		       (and (window-combined-p window t)
-			    fit-window-to-buffer-horizontally)))
+			    fit-window-to-buffer-horizontally
+                            (not (resize-temp-buffer-window-inhibit buffer t)))))
 	      (and (eq quit-cadr 'frame)
                    fit-frame-to-buffer
-                   (eq window (frame-root-window window))))
+                   (eq window (frame-root-window window))
+                   (not (resize-temp-buffer-window-inhibit buffer))
+                   (not (resize-temp-buffer-window-inhibit buffer t))))
 	(fit-window-to-buffer window height nil width nil t))))

 ;;; Help windows.

  reply	other threads:[~2021-09-23  8:15 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-19 19:50 Patch proposal: display symbol source code in help buffers Arthur Miller
2021-09-20  5:46 ` Lars Ingebrigtsen
2021-09-20  6:09   ` Stefan Kangas
2021-09-20  6:14     ` Lars Ingebrigtsen
2021-09-20  7:17       ` Ihor Radchenko
2021-09-20  7:43         ` Stefan Kangas
2021-09-20  8:29           ` martin rudalics
2021-09-20  9:04           ` Ihor Radchenko
2021-09-20 23:45             ` Arthur Miller
2021-09-21  4:16             ` Lars Ingebrigtsen
2021-09-21  6:59               ` Ihor Radchenko
2021-09-21  7:41                 ` Stefan Kangas
2021-09-21  8:38                   ` Eli Zaretskii
2021-09-21  9:17                     ` Ihor Radchenko
2021-09-21 16:49                       ` Lars Ingebrigtsen
2021-10-01  7:05                         ` Ihor Radchenko
2021-10-01  7:09                           ` Lars Ingebrigtsen
2021-10-01  7:21                             ` Ihor Radchenko
2021-10-01  7:21                               ` Lars Ingebrigtsen
2021-10-01  9:04                                 ` Ihor Radchenko
2021-10-01 12:20                                   ` Lars Ingebrigtsen
2021-10-01  7:24                           ` Eli Zaretskii
2021-10-01  9:08                             ` Ihor Radchenko
2021-10-01 10:24                               ` Eli Zaretskii
2021-10-01 14:14                                 ` Ihor Radchenko
2021-09-21  8:34               ` martin rudalics
2021-09-20 15:01           ` Arthur Miller
2021-09-21  7:41             ` Stefan Kangas
2021-09-20 15:27         ` Arthur Miller
2021-09-20  6:47     ` Eli Zaretskii
2021-09-20 15:27       ` Arthur Miller
2021-09-20 14:55     ` Arthur Miller
2021-09-21  4:18       ` Lars Ingebrigtsen
2021-09-21 10:26         ` Arthur Miller
2021-09-20 15:23   ` Arthur Miller
2021-09-20  5:59 ` Eli Zaretskii
2021-09-20  6:37   ` Gregor Zattler
2021-09-20  7:01     ` Eli Zaretskii
2021-09-20 15:21       ` Arthur Miller
2021-09-20  8:21     ` martin rudalics
2021-09-20 18:13       ` Arthur Miller
2021-09-21  8:34         ` martin rudalics
2021-09-21 10:24           ` Arthur Miller
2021-09-21 16:52             ` martin rudalics
2021-09-21 18:56               ` Arthur Miller
2021-09-21 17:30           ` Juri Linkov
2021-09-21 19:13             ` Arthur Miller
2021-09-22  7:49               ` martin rudalics
2021-09-22 16:04                 ` Juri Linkov
2021-09-22 17:52                   ` martin rudalics
2021-09-23  8:15                     ` martin rudalics [this message]
2021-09-23 15:52                       ` Juri Linkov
2021-09-26  9:10                         ` martin rudalics
2021-09-22 22:38                 ` Arthur Miller
2021-09-23  8:22                   ` martin rudalics
2021-09-20 12:19     ` Dmitry Gutov
2021-09-20 15:13       ` Arthur Miller
2021-09-20 15:11   ` Arthur Miller

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