From d31459b0926f2afddc317d76314e4afd0d07d473 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 15 Oct 2024 11:45:47 +0530
Subject: [PATCH] tab_title_template allow using the 256 terminal colors for
 formatting

---
 docs/changelog.rst          | 2 ++
 kitty/options/definition.py | 1 +
 kitty/tab_bar.py            | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index 5be8440dd..fc189752f 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -81,6 +81,8 @@ Detailed list of changes
 
 - kitten icat: Fix the :option:`kitty +kitten icat --no-trailing-newline` not working when using unicode placeholders (:iss:`7948`)
 
+- :opt:`tab_title_template` allow using the 256 terminal colors for formatting (:disc:`7976`)
+
 0.36.4 [2024-09-27]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/kitty/options/definition.py b/kitty/options/definition.py
index 338029491..8e12004dc 100644
--- a/kitty/options/definition.py
+++ b/kitty/options/definition.py
@@ -1399,6 +1399,7 @@ use styling directives, for example:
 ``{fmt.fg.red}red{fmt.fg.tab}normal{fmt.bg._00FF00}greenbg{fmt.bg.tab}``.
 Similarly, for bold and italic:
 ``{fmt.bold}bold{fmt.nobold}normal{fmt.italic}italic{fmt.noitalic}``.
+The 256 eight terminal colors can be used as ``fmt.fg.color0`` through ``fmt.fg.color255``.
 Note that for backward compatibility, if :code:`{bell_symbol}` or
 :code:`{activity_symbol}` are not present in the template, they are prepended to
 it.
diff --git a/kitty/tab_bar.py b/kitty/tab_bar.py
index dc68764cb..6dd6a6a9c 100644
--- a/kitty/tab_bar.py
+++ b/kitty/tab_bar.py
@@ -118,6 +118,8 @@ class ColorFormatter:
         elif q == 'tab':
             col = color_from_int((self.draw_data.tab_bg if self.which == '4' else self.draw_data.tab_fg)(self.tab_data))
             ans = f'8{color_as_sgr(col)}'
+        elif q.startswith('color'):
+            ans = f'8:5:{int(q[5:])}'
         else:
             if name.startswith('_'):
                 q = f'#{name[1:]}'