From: Juri Linkov <juri@linkov.net>
To: 30314@debbugs.gnu.org
Subject: bug#30314: Define aliases for window display actions
Date: Mon, 05 Feb 2018 00:30:29 +0200 [thread overview]
Message-ID: <871si0qtfe.fsf@mail.linkov.net> (raw)
In-Reply-To: <87mv0tsnk8.fsf@mail.linkov.net> (Juri Linkov's message of "Wed, 31 Jan 2018 23:52:55 +0200")
> Instead of duplicating the same list of actions in many places
> like in bug#30016:
>
> (pop-to-buffer buf `((display-buffer--maybe-same-window
> display-buffer-reuse-window
> display-buffer--maybe-pop-up-frame-or-window
> display-buffer-at-bottom)
> ,(if temp-buffer-resize-mode
> '(window-height . resize-temp-buffer-window)
> '(window-height . fit-window-to-buffer))
> ,(when temp-buffer-resize-mode
> '(preserve-size . (nil . t)))))
>
> I propose to introduce the concept of display action aliases to group
> several actions under one name and use just this short name where needed.
I realized that aliases can be implemented simply by defining a new
composite action function:
diff --git a/lisp/files.el b/lisp/files.el
index 414eb3f..22d8247 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -3315,15 +3315,7 @@ hack-local-variables-confirm
;; Display the buffer and read a choice.
(save-window-excursion
- (pop-to-buffer buf `((display-buffer--maybe-same-window
- display-buffer-reuse-window
- display-buffer--maybe-pop-up-frame-or-window
- display-buffer-at-bottom)
- ,(if temp-buffer-resize-mode
- '(window-height . resize-temp-buffer-window)
- '(window-height . fit-window-to-buffer))
- ,(when temp-buffer-resize-mode
- '(preserve-size . (nil . t)))))
+ (pop-to-buffer buf '(display-buffer-composite-at-bottom))
(let* ((exit-chars '(?y ?n ?\s ?\C-g ?\C-v))
(prompt (format "Please type %s%s: "
(if offer-save "y, n, or !" "y or n")
@@ -6929,15 +6921,7 @@ save-buffers-kill-emacs
(or (not active)
(with-displayed-buffer-window
(get-buffer-create "*Process List*")
- `((display-buffer--maybe-same-window
- display-buffer-reuse-window
- display-buffer--maybe-pop-up-frame-or-window
- display-buffer-at-bottom)
- ,(if temp-buffer-resize-mode
- '(window-height . resize-temp-buffer-window)
- '(window-height . fit-window-to-buffer))
- ,(when temp-buffer-resize-mode
- '(preserve-size . (nil . t))))
+ '(display-buffer-composite-at-bottom)
#'(lambda (window _value)
(with-selected-window window
(unwind-protect
diff --git a/lisp/window.el b/lisp/window.el
index abd1a68..d9a0bc8 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -7360,6 +7360,20 @@ display-buffer-below-selected
(window--display-buffer
buffer window 'reuse alist display-buffer-mark-dedicated)))))
+(defun display-buffer-composite-at-bottom (buffer alist)
+ (let ((alist (append alist `(,(if temp-buffer-resize-mode
+ '(window-height . resize-temp-buffer-window)
+ '(window-height . fit-window-to-buffer))
+ ,(when temp-buffer-resize-mode
+ '(preserve-size . (nil . t)))))))
+ (or (display-buffer--maybe-same-window buffer alist)
+ (display-buffer-reuse-window buffer alist)
+ (and (if (eq pop-up-frames 'graphic-only)
+ (display-graphic-p)
+ pop-up-frames)
+ (display-buffer-pop-up-frame buffer alist))
+ (display-buffer-at-bottom buffer alist))))
+
(defun display-buffer-at-bottom (buffer alist)
"Try displaying BUFFER in a window at the bottom of the selected frame.
This either reuses such a window provided it shows BUFFER
next prev parent reply other threads:[~2018-02-04 22:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 21:52 bug#30314: Define aliases for window display actions Juri Linkov
2018-02-04 22:30 ` Juri Linkov [this message]
2018-02-06 21:42 ` Juri Linkov
2018-02-10 21:55 ` Juri Linkov
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