wezterm: Update tabstyle

home/config/wezterm/config.fnl

@@ -1,5 +1,55 @@
 (let [wezterm (require :wezterm)
-      window-padding 15]
+      window-padding 15
+      colors {:active-background "#282A36"
+              :active-foreground "#ABB2BF"
+              :active-indicator "#BD93F9"
+              :inactive-background "#191A21"
+              :inactive-foreground "#6272A4"}]
+  ;; Event: Tab format
+
+  (fn extract-tab-info [title]
+    (match title
+      (where t (t:find "^nvim%s"))
+      {:title (title:gsub "^nvim%s(.*)" "%1") :icon " " :color "#019833"}
+      (where t (t:find "^upa%s")) {: title :icon " " :color "#7EBAE4"}
+      (where t (t:find "^upp%s")) {: title :icon " " :color "#7EBAE4"}
+      (where t (t:find "^nrsw%s")) {: title :icon " " :color "#7EBAE4"}
+      (where t (t:find :^instagram-)) {: title :icon " " :color "#FB2179"}
+      _ {: title :icon " " :color "#F8F8F2"}))
+
+  (wezterm.on :format-tab-title
+              (fn [tab tabs panes config hover max-width]
+                (let [tab-info (extract-tab-info tab.active_pane.title)
+                      title (wezterm.truncate_right tab-info.title
+                                                    (- max-width 5))]
+                  (if tab.is_active
+                      [; Left
+                       {:Background {:Color colors.active-background}}
+                       {:Foreground {:Color colors.active-indicator}}
+                       {:Text "┃ "}
+                       ; Center
+                       {:Foreground {:Color tab-info.color}}
+                       {:Text tab-info.icon}
+                       {:Foreground {:Color colors.active-foreground}}
+                       {:Attribute {:Intensity :Bold}}
+                       {:Attribute {:Italic true}}
+                       {:Text title}
+                       ; Right
+                       {:Attribute {:Intensity :Normal}}
+                       {:Attribute {:Italic false}}
+                       {:Text " "}]
+                      [; Left
+                       {:Background {:Color colors.inactive-background}}
+                       {:Foreground {:Color colors.inactive-foreground}}
+                       {:Text "  "}
+                       ; Center
+                       {:Foreground {:Color tab-info.color}}
+                       {:Text tab-info.icon}
+                       {:Foreground {:Color colors.inactive-foreground}}
+                       {:Text title}
+                       ; Right
+                       {:Text " "}]))))
+  ;; Configuration
   {:default_prog [_G.shells.fish :--interactive]
    ;; Appearance
    :color_scheme "Dracula (Official)"
@@ -8,10 +58,15 @@
                     :right window-padding
                     :top window-padding
                     :bottom window-padding}
+   ;; Tabs
    :enable_tab_bar true
-   :use_fancy_tab_bar true
+   :use_fancy_tab_bar false
    :hide_tab_bar_if_only_one_tab true
    :tab_bar_at_bottom true
+   :tab_max_width 48
+   :colors {:tab_bar {:background colors.inactive-background
+                      :new_tab {:bg_color colors.inactive-background
+                                :fg_color colors.inactive-foreground}}}
    ;; Fonts
    :font (wezterm.font_with_fallback [{:family "JetBrains Mono"
                                        :weight :Medium}