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master 5d43609 2/2: Introduce a new variable tab-line-switch-cycling
From: |
Juri Linkov |
Subject: |
master 5d43609 2/2: Introduce a new variable tab-line-switch-cycling |
Date: |
Wed, 9 Sep 2020 15:30:46 -0400 (EDT) |
branch: master
commit 5d436090952559eb4fe8204e75760f96dcadd599
Author: Kiso Katsuyuki <katsuyuki2388@gmail.com>
Commit: Juri Linkov <juri@linkov.net>
Introduce a new variable tab-line-switch-cycling
If it is set t, enable cycling tab switch. Default is nil.
Copyright-paperwork-exempt: yes
---
lisp/tab-line.el | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/lisp/tab-line.el b/lisp/tab-line.el
index 140ee8c..ddba483 100644
--- a/lisp/tab-line.el
+++ b/lisp/tab-line.el
@@ -658,7 +658,10 @@ Its effect is the same as using the `previous-buffer'
command
(if (bufferp tab)
(eq buffer tab)
(eq buffer (cdr (assq 'buffer tab)))))))
- (tab (if pos (nth (1- pos) tabs)))
+ (tab (if pos
+ (if (and tab-line-switch-cycling (<= pos 0))
+ (nth (1- (length tabs)) tabs)
+ (nth (1- pos) tabs))))
(buffer (if (bufferp tab) tab (cdr (assq 'buffer tab)))))
(when (bufferp buffer)
(switch-to-buffer buffer)))))))
@@ -679,11 +682,23 @@ Its effect is the same as using the `next-buffer' command
(if (bufferp tab)
(eq buffer tab)
(eq buffer (cdr (assq 'buffer tab)))))))
- (tab (if pos (nth (1+ pos) tabs)))
+ (tab (if pos
+ (if (and tab-line-switch-cycling (<= (length tabs) (1+
pos)))
+ (car tabs)
+ (nth (1+ pos) tabs))))
(buffer (if (bufferp tab) tab (cdr (assq 'buffer tab)))))
(when (bufferp buffer)
(switch-to-buffer buffer)))))))
+(defcustom tab-line-switch-cycling nil
+ "Enable cycling tab switch.
+If non-nil, `tab-line-switch-to-prev-tab' in the first tab
+switches to the last tab and `tab-line-switch-to-next-tab' in the last
+tab swithces to the first tab."
+ :type 'boolean
+ :group 'tab-line
+ :version "28.1")
+
(defcustom tab-line-close-tab-function 'bury-buffer
"Defines what to do on closing the tab.