Improvements to Selected Window Accent

Given my previous post regarding accenting the current window:

Selected Window Accent

“This routine provides a coloured left fringe accent on the selected window to emphasize the current working window.”

I had a little issue with visual-fill-column-mode in that :

Note that I also had to set the margins to make the window traversal less visually disturbing and it seems to affect visual-fill-column-mode in the fact that it doesn’t work, but maybe I can just try and not use it or eventually figure it out, but for now this is a starting point and I’m sure I will refine it over time.

With some trial and error the issue was that my new accent routine applied margins that overrode visual-fill-column-mode, causing display issues on window navigation.

So to fix I just re-activated visual-fill-column-mode if it was active.

(defun selected-window-accent ()
  (interactive)
  (set-face-background 'fringe "#77002e")
  (walk-windows
    (lambda (window)
      (if (eq window (selected-window))
        (progn
          (set-window-margins window 1 0)
          (with-selected-window window
            (if (eq visual-fill-column-mode t)
              (visual-fill-column-mode t)))
          (set-window-fringes window 10 0 t nil))
        (progn
          (set-window-margins window 2 0)
          (with-selected-window window
            (if (eq visual-fill-column-mode t)
              (visual-fill-column-mode t)))
          (set-window-fringes window 0 0 t nil))
        )
      )
    nil t))

(add-hook 'window-configuration-change-hook 'selected-window-accent)
(add-hook 'window-state-change-hook 'selected-window-accent)

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