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bug#16874: 24.3.50; Regression in active window detection
From: |
Eli Zaretskii |
Subject: |
bug#16874: 24.3.50; Regression in active window detection |
Date: |
Tue, 25 Feb 2014 18:18:09 +0200 |
> From: Damien Cassou <damien.cassou@gmail.com>
> Date: Tue, 25 Feb 2014 10:06:49 +0100
>
>
> The following piece of code, from the milkypostman/powerline github
> repository, used to detect if the current window is active or not:
>
> (defun powerline-selected-window-active ()
> "Return whether the current window is active."
> (or (eq (frame-selected-window)
> (selected-window))
> (and (minibuffer-window-active-p
> (frame-selected-window))
> (eq (pl/minibuffer-selected-window)
> (selected-window)))))
>
> This works fine in released Emacs 24 but does not work anymore in
> emacs-snapshot (see below for details about the version I used to test).
> Is this an Emacs regression or a problem in the implementation of this
> function that is revealed by some recent changes in Emacs?
It's a deliberate change in Emacs that breaks functions which assume
that the window whose mode line is being redrawn is selected at that
time.