branch: externals/olivetti
commit d0d2bc0c12549e7cba5e3a5027591a32c8568c15
Author: Paul Rankin <he...@paulwrankin.com>
Commit: Paul Rankin <he...@paulwrankin.com>
Attempt to patch known Emacs bugs.
Adds advice to split-window-right to workaround changes in
window-min-size that return erronously large minimum window width when
using large margins.
---
olivetti.el | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/olivetti.el b/olivetti.el
index 62cd8a3..b0901c0 100644
--- a/olivetti.el
+++ b/olivetti.el
@@ -278,6 +278,37 @@ If prefixed with ARG, incrementally increase."
(olivetti-expand p)))
+;;; Patch Emacs Bugs
+
+(defcustom olivetti-patch-emacs-bugs
+ t
+ "Attempt to patch known bugs in Emacs."
+ :type 'boolean
+ :group 'olivetti)
+
+(defun split-window-right-force (&optional size)
+ "Filter arguments to `split-window-right' to force split.
+
+If optional argument SIZE is ommitted or nil, split window
+exactly in half.
+
+Workaround for known Emacs bug in `window-min-size'.
+See <http://debbugs.gnu.org/24193>."
+ (if (car size) size (list (/ (window-total-width) 2))))
+
+(defun olivetti-patch-emacs-bugs ()
+ "Attempt to patch known bugs in Emacs.
+
+Adds advice to `split-window-right' to workaround changes in
+`window-min-size' that return erronously large minimum window
+width when using large margins.
+See <http://debbugs.gnu.org/24193>."
+ (unless (or (advice-member-p 'split-window-right-force 'split-window-right)
+ (< (string-to-number emacs-version) 25))
+ (advice-add 'split-window-right :filter-args
+ 'split-window-right-force)))
+
+
;;; Mode Definition
;;;###autoload
@@ -318,6 +349,8 @@ hidden."
(visual-line-mode 1))
(if olivetti-hide-mode-line
(olivetti-set-mode-line))
+ (if olivetti-patch-emacs-bugs
+ (olivetti-patch-emacs-bugs))
(olivetti-set-environment))
(remove-hook 'window-configuration-change-hook
#'olivetti-set-environment t)
