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* lisp/tab-line.el (tab-line--get-tab-property): New function (bug#52881).

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(tab-line-auto-hscroll): Use ‘tab-line--get-tab-property’ instead of
‘get-pos-property 1’, and ‘get-text-property’ instead of
‘get-pos-property’.
(tab-line-select-tab, tab-line-close-tab): Use tab-line--get-tab-property.
This commit is contained in:
Juri Linkov 2021-12-31 11:20:51 +02:00
parent 89f205084b
commit a6adfe21e4
1 changed files with 15 additions and 9 deletions
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24
lisp/tab-line.el
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@ -615,6 +615,12 @@ the selected tab visible."
(defvar tab-line-auto-hscroll-buffer (generate-new-buffer " *tab-line-hscroll*"))
(defun tab-line--get-tab-property (prop string)
(or (get-text-property 1 prop string) ;; for 99% cases of 1-char separator
(get-text-property 0 prop string) ;; for empty separator
(let ((pos (next-single-property-change 0 prop string))) ;; long separator
(and pos (get-text-property pos prop string)))))
(defun tab-line-auto-hscroll (strings hscroll)
(with-current-buffer tab-line-auto-hscroll-buffer
(let ((truncate-partial-width-windows nil)
@ -636,7 +642,7 @@ the selected tab visible."
(not (integerp hscroll)))
(let ((selected (seq-position strings 'selected
(lambda (str prop)
(get-pos-property 1 prop str)))))
(tab-line--get-tab-property prop str)))))
(cond
((null selected)
;; Do nothing if no tab is selected
@ -650,13 +656,13 @@ the selected tab visible."
(if (> (vertical-motion 1) 0)
(let* ((point (previous-single-property-change (point) 'tab))
(tab-prop (when point
(or (get-pos-property point 'tab)
(or (get-text-property point 'tab)
(and (setq point (previous-single-property-change point 'tab))
(get-pos-property point 'tab)))))
(get-text-property point 'tab)))))
(new-hscroll (when tab-prop
(seq-position strings tab-prop
(lambda (str tab)
(eq (get-pos-property 1 'tab str) tab))))))
(eq (tab-line--get-tab-property 'tab str) tab))))))
(when new-hscroll
(setq hscroll (float new-hscroll))
(set-window-parameter nil 'tab-line-hscroll hscroll)))
@ -677,13 +683,13 @@ the selected tab visible."
(when (> (vertical-motion 1) 0)
(let* ((point (previous-single-property-change (point) 'tab))
(tab-prop (when point
(or (get-pos-property point 'tab)
(or (get-text-property point 'tab)
(and (setq point (previous-single-property-change point 'tab))
(get-pos-property point 'tab)))))
(get-text-property point 'tab)))))
(new-hscroll (when tab-prop
(seq-position strings tab-prop
(lambda (str tab)
(eq (get-pos-property 1 'tab str) tab))))))
(eq (tab-line--get-tab-property 'tab str) tab))))))
(when new-hscroll
(setq hscroll (float new-hscroll))
(set-window-parameter nil 'tab-line-hscroll hscroll)))))))))
@ -742,7 +748,7 @@ So, for example, switching to a previous tab is equivalent to
using the `previous-buffer' command."
(interactive "e")
(let* ((posnp (event-start event))
(tab (get-pos-property 1 'tab (car (posn-string posnp))))
(tab (tab-line--get-tab-property 'tab (car (posn-string posnp))))
(buffer (if (bufferp tab) tab (cdr (assq 'buffer tab)))))
(if buffer
(tab-line-select-tab-buffer buffer (posn-window posnp))
@ -854,7 +860,7 @@ sight of the tab line."
(interactive (list last-nonmenu-event))
(let* ((posnp (and (listp event) (event-start event)))
(window (and posnp (posn-window posnp)))
(tab (get-pos-property 1 'tab (car (posn-string posnp))))
(tab (tab-line--get-tab-property 'tab (car (posn-string posnp))))
(buffer (if (bufferp tab) tab (cdr (assq 'buffer tab))))
(close-function (unless (bufferp tab) (cdr (assq 'close tab)))))
(with-selected-window (or window (selected-window))