diff options
| -rw-r--r-- | emacs/init.el | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/emacs/init.el b/emacs/init.el index f548346..5b02411 100644 --- a/emacs/init.el +++ b/emacs/init.el @@ -87,12 +87,35 @@ ;; Copy the code from mode-line-format-right-align so that i can use it. This is an emacs 30 feature, which i don't run yet. In the future, i'll be able to remove this. (defcustom mode-line-right-align-edge 'window + "Where function `mode-line-format-right-align' should align to. +Internally, that function uses `:align-to' in a display property, +so aligns to the left edge of the given area. See info node +`(elisp)Pixel Specification'. + +Must be set to a symbol. Acceptable values are: +- `window': align to extreme right of window, regardless of margins + or fringes +- `right-fringe': align to right-fringe +- `right-margin': align to right-margin" :type '(choice (const right-margin) (const right-fringe) (const window)) :group 'mode-line :version "30.1") (defun mode--line-format-right-align () + "Right-align all following mode-line constructs. + +When the symbol `mode-line-format-right-align' appears in +`mode-line-format', return a string of one space, with a display +property to make it appear long enough to align anything after +that symbol to the right of the rendered mode line. Exactly how +far to the right is controlled by `mode-line-right-align-edge'. + +It is important that the symbol `mode-line-format-right-align' be +included in `mode-line-format' (and not another similar construct +such as `(:eval (mode-line-format-right-align)'). This is because +the symbol `mode-line-format-right-align' is processed by +`format-mode-line' as a variable." (let* ((rest (cdr (memq 'mode-line-format-right-align mode-line-format))) (rest-str (format-mode-line `("" ,@rest))) @@ -120,6 +143,7 @@ (or (cadr (window-fringes)) 0)) (_ 0)) rest-width))))))) + (defvar mode-line-format-right-align '(:eval (mode--line-format-right-align)) "Mode line construct to right align all following constructs.") (put 'mode-line-format-right-align 'risky-local-variable t) |