GNU bug report logs - #72579
29.4; Viper does not handle changing cursor colour well

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ZharMeny <zharmeny <at> protonmail.com>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Cc: "info <at> protesilaos.com" <info <at> protesilaos.com>
Subject: 29.4; Viper does not handle changing cursor colour well
Date: Sun, 11 Aug 2024 14:05:44 +0000

If you change the cursor colour with viper-mode enabled, it will use the 'remembered' cursor colour from the previous theme, which makes cursor practically invisible if switching between dark and light themes.

Here's an `emacs -Q` reproduction:

  (load-theme 'modus-operandi)
  (viper-mode)
  (modus-themes-toggle)

The (internal) variable `viper-vi-state-cursor-color` seems to be the culprit, as it remembers the cursor color of the theme that is no longer active after the toggle.

This problem is not specific to modus-themes, any theme should work.

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