Function: minibuffer-selected-window
minibuffer-selected-window is a function defined in window.c.
Signature
(minibuffer-selected-window)
Documentation
Return window selected just before minibuffer window was selected.
Return nil if the selected window is not a minibuffer window.
Probably introduced at or before Emacs version 22.1.
Source Code
// Defined in /usr/src/emacs/src/window.c
{
if (minibuf_level > 0
&& MINI_WINDOW_P (XWINDOW (selected_window))
&& WINDOW_LIVE_P (minibuf_selected_window))
return minibuf_selected_window;
return Qnil;
}