When I start emacs, I can use the --title= option to control the title of the x-window that holds the emacs application. Is it possible to change the title after emacs starts from elisp?
M-x set-frame-name NewName RET
从elisp
(set-frame-name "NewName")
I use
(setq frame-title-format "%b - emacs")
to include the current buffer name in the frame title.
The following worked for me (GNU EMACS 24.3.1 on cygwin multiwindow X11):
(set-frame-parameter frame 'title arg)
which I wrapped in an interactive function
(defun set-frame-title/ag (title &optional frame)
"set frame TITLE of &optional FRAME defaults to (selected-frame)
aka C11 window titlebar name"
(interactive "sframe title: ")
(set-frame-parameter frame 'title title)
)
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