From 41647bdd45532d4b325f24d639c3db8876ae1b66 Mon Sep 17 00:00:00 2001
From: Franck Cuny <franck@fcuny.net>
Date: Mon, 18 Oct 2021 08:26:55 -0700
Subject: emacs: select help buffer when it opens

Configure how we want to open an help buffer (on the left, with a
defined width), and let's jump to it.

Enable =visual-line-mode= for help buffers, otherwise it's unreadable.
---
 emacs/custom/fcuny-ui.el | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'emacs/custom/fcuny-ui.el')

diff --git a/emacs/custom/fcuny-ui.el b/emacs/custom/fcuny-ui.el
index 487ca3c..0bdc494 100644
--- a/emacs/custom/fcuny-ui.el
+++ b/emacs/custom/fcuny-ui.el
@@ -94,4 +94,14 @@
 (use-package posframe
   :ensure t)
 
+(setq display-buffer-alist
+      `(
+        ("\\*\\(.* # Help.*\\|Help\\)\\*"    ; See the hooks for `visual-line-mode'
+         (display-buffer-reuse-mode-window display-buffer-in-side-window)
+         (window-width . 0.35)
+         (side . left)
+         (slot . 0))))
+
+(add-hook 'help-mode-hook #'visual-line-mode)
+
 (provide 'fcuny-ui)
-- 
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