Would people be interested in a change that introduces a function
`tool-bar-toggle' (in toolbar.el), allowing to switch a tool-bar on
and off in a single frame?
As shown below, it's not a minor mode (opposed to what Drew Adams
suggested here: http://lists.gnu.org/archive/html/emacs-devel/
2004-10/msg00248.html )
Also, I have implemented a little change that binds this to the tool-
bar window button which exists on Mac OS X. The button click is bound
to an event defined in keyboard.c (right now only in OS X), which
gets mapped to [toggle-frame-toolbar] (in macterm.c). Then you do a
simple
(global-set-key [toggle-frame-toolbar] 'tool-bar-toggle)
;; local toolbars
(defun tool-bar-enabled-p (&optional frame)
"Evaluates to non-nil if the tool-bar is present
in frame FRAME. If FRAME is nil, the function applies
to the selected frame."
(> (or (frame-parameter frame 'tool-bar-lines) 0) 0))
(defun tool-bar-toggle (&optional frame)
"Switches the tool bar on and off in frame FRAME.
If FRAME is nil, the change applies to the selected frame."
(interactive)
(modify-frame-parameters frame
(list (cons 'tool-bar-lines
(if (tool-bar-enabled-p)
0
1
)))))
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