Variable: cua-rectangle-mark-mode
cua-rectangle-mark-mode is a buffer-local variable defined in
cua-rect.el.gz.
Documentation
Non-nil if Cua-Rectangle-Mark mode is enabled.
Use the command cua-rectangle-mark-mode(var)/cua-rectangle-mark-mode(fun) to change this variable.
Probably introduced at or before Emacs version 24.4.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/emulation/cua-rect.el.gz
;;;###autoload
(define-minor-mode cua-rectangle-mark-mode
"Toggle the region as rectangular.
Activates the region if needed. Only lasts until the region is deactivated."
:keymap cua--rectangle-keymap
(cond
(cua-rectangle-mark-mode
(add-hook 'deactivate-mark-hook
(lambda () (cua-rectangle-mark-mode -1)))
(add-hook 'post-command-hook #'cua--rectangle-post-command nil t)
(cua-set-rectangle-mark))
(t
(cua--deactivate-rectangle)
(remove-hook 'post-command-hook #'cua--rectangle-post-command t))))