46 lines
1.8 KiB
EmacsLisp
46 lines
1.8 KiB
EmacsLisp
(defun make-xpm-bar (color height width)
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"Create an XPM bitmap of a bar."
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(propertize
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" " 'display
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(let ((data (make-list height (make-list width 1)))
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(color (or color "None")))
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(create-image
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(concat
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(format "/* XPM */\nstatic char * percent[] = {\n\"%i %i 2 1\",\n\". c %s\",\n\" c %s\","
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(length (car data))
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(length data)
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color
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color)
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(apply #'concat
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(cl-loop with idx = 0
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with len = (length data)
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for dl in data
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do (cl-incf idx)
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collect
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(concat "\""
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(cl-loop for d in dl
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if (= d 0) collect (string-to-char " ")
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else collect (string-to-char "."))
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(if (eq idx len) "\"};" "\",\n")))))
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'xpm t :ascent 'center))))
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(defun my-tabbar-display-tab (tab)
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(let ((label (if tabbar--buffer-show-groups
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(format "[%s]" (tabbar-tab-tabset tab))
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(format "%s" (tabbar-tab-value tab))))
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(bar-color "#51afef")
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(bar-height 25)
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(bar-width 3)
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(selected-p (eq tab (tabbar-selected-tab (tabbar-current-tabset)))))
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(concat (when (and (display-graphic-p) selected-p)
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(make-xpm-bar bar-color bar-height bar-width))
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" "
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(if tabbar-auto-scroll-flag
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label
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(tabbar-shorten
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label (max 1 (/ (window-width)
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(length (tabbar-view
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(tabbar-current-tabset)))))))
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" ")))
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(setq tabbar-tab-label-function #'my-tabbar-display-tab)
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