Stylizes tabbar; extends emacs config

emacs/wc-doom-functions.el

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