Allow changing colors by mapping a keyboard shortcut to read a kitty config file with color definitions.

Fixes #2083

docs/changelog.rst

@@ -9,6 +9,10 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
 
 - Add a new style ``powerline`` for tab bar rendering, see :opt:`tab_bar_style` (:pull:`2021`)
 
+- Allow changing colors by mapping a keyboard shortcut to read a kitty config
+  file with color definitions. See the :doc:`FAQ <faq>` for details
+  (:iss:`2083`)
+
 - Wayland: Fix key repeat not being stopped when focus leaves window. This is
   expected behavior on Wayland, apparently (:iss:`2014`)
 

docs/faq.rst

@@ -109,8 +109,13 @@ How do I change the colors in a running kitty instance?
 
 You can either use the
 `OSC terminal escape codes <https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-Operating-System-Commands>`_
-to set colors or you can enable :doc:`remote control <remote-control>`
-for |kitty| and use :ref:`at_set-colors`.
+to set colors or you can define keyboard shortcuts to set colors, for example::
+
+    map f1 set_colors --configured /path/to/some/config/file/colors.conf
+
+Or you can enable :doc:`remote control <remote-control>` for |kitty| and use :ref:`at_set-colors`.
+The shortcut mapping technique has the same syntax as the remote control
+command, for details, see :ref:`at_set-colors`.
 
 A list of pre-made color themes for kitty is available at:
 `kitty-themes <https://github.com/dexpota/kitty-themes>`_

kitty/boss.py

@@ -1096,3 +1096,9 @@ class Boss:
 
         msg = '\n'.join(map(format_bad_line, bad_lines)).rstrip()
         self.show_error(_('Errors in kitty.conf'), msg)
+
+    def set_colors(self, *args):
+        from .cmds import parse_subcommand_cli, cmd_set_colors, set_colors
+        opts, items = parse_subcommand_cli(cmd_set_colors, ['set-colors'] + list(args))
+        payload = cmd_set_colors(None, opts, items)
+        set_colors(self, self.active_window, payload)

kitty/config.py

@@ -193,6 +193,15 @@ def pipe(func, rest):
     return func, rest
 
 
+@func_with_args('set_colors')
+def set_colors(func, rest):
+    import shlex
+    rest = shlex.split(rest)
+    if len(rest) < 1:
+        log_error('Too few arguments to set_colors function')
+    return func, rest
+
+
 @func_with_args('nth_window')
 def nth_window(func, rest):
     try: