;;; Pre-command hook
+(defun cua--pre-command-handler-1 ()
+ (let ((movement (eq (get this-command 'CUA) 'move)))
+
+ ;; Cancel prefix key timeout if user enters another key.
+ (when cua--prefix-override-timer
+ (if (timerp cua--prefix-override-timer)
+ (cancel-timer cua--prefix-override-timer))
+ (setq cua--prefix-override-timer nil))
+
+ ;; Handle shifted cursor keys and other movement commands.
+ ;; If region is not active, region is activated if key is shifted.
+ ;; If region is active, region is cancelled if key is unshifted (and region not started with C-SPC).
+ ;; If rectangle is active, expand rectangle in specified direction and ignore the movement.
+ (if movement
+ (cond
+ ((if window-system
+ (memq 'shift (event-modifiers
+ (aref (this-single-command-raw-keys) 0)))
+ (or
+ (memq 'shift (event-modifiers
+ (aref (this-single-command-keys) 0)))
+ ;; See if raw escape sequence maps to a shifted event, e.g. S-up or C-S-home.
+ (and (boundp 'function-key-map)
+ function-key-map
+ (let ((ev (lookup-key function-key-map
+ (this-single-command-raw-keys))))
+ (and (vector ev)
+ (symbolp (setq ev (aref ev 0)))
+ (string-match "S-" (symbol-name ev)))))))
+ (unless mark-active
+ (push-mark-command nil t))
+ (setq cua--last-region-shifted t)
+ (setq cua--explicit-region-start nil))
+ ((or cua--explicit-region-start cua--rectangle)
+ (unless mark-active
+ (push-mark-command nil nil)))
+ (t
+ ;; If we set mark-active to nil here, the region highlight will not be
+ ;; removed by the direct_output_ commands.
+ (setq deactivate-mark t)))
+
+ ;; Handle delete-selection property on other commands
+ (if (and mark-active (not deactivate-mark))
+ (let* ((ds (or (get this-command 'delete-selection)
+ (get this-command 'pending-delete)))
+ (nc (cond
+ ((not ds) nil)
+ ((eq ds 'yank)
+ 'cua-paste)
+ ((eq ds 'kill)
+ (if cua--rectangle
+ 'cua-copy-rectangle
+ 'cua-copy-region))
+ ((eq ds 'supersede)
+ (if cua--rectangle
+ 'cua-delete-rectangle
+ 'cua-delete-region))
+ (t
+ (if cua--rectangle
+ 'cua-delete-rectangle ;; replace?
+ 'cua-replace-region)))))
+ (if nc
+ (setq this-original-command this-command
+ this-command nc)))))
+
+ ;; Detect extension of rectangles by mouse or other movement
+ (setq cua--buffer-and-point-before-command
+ (if cua--rectangle (cons (current-buffer) (point))))))
+
(defun cua--pre-command-handler ()
- (condition-case nil
- (let ((movement (eq (get this-command 'CUA) 'move)))
-
- ;; Cancel prefix key timeout if user enters another key.
- (when cua--prefix-override-timer
- (if (timerp cua--prefix-override-timer)
- (cancel-timer cua--prefix-override-timer))
- (setq cua--prefix-override-timer nil))
-
- ;; Handle shifted cursor keys and other movement commands.
- ;; If region is not active, region is activated if key is shifted.
- ;; If region is active, region is cancelled if key is unshifted (and region not started with C-SPC).
- ;; If rectangle is active, expand rectangle in specified direction and ignore the movement.
- (if movement
- (cond
- ((if window-system
- (memq 'shift (event-modifiers
- (aref (this-single-command-raw-keys) 0)))
- (or
- (memq 'shift (event-modifiers
- (aref (this-single-command-keys) 0)))
- ;; See if raw escape sequence maps to a shifted event, e.g. S-up or C-S-home.
- (and (boundp 'function-key-map)
- function-key-map
- (let ((ev (lookup-key function-key-map
- (this-single-command-raw-keys))))
- (and (vector ev)
- (symbolp (setq ev (aref ev 0)))
- (string-match "S-" (symbol-name ev)))))))
- (unless mark-active
- (push-mark-command nil t))
- (setq cua--last-region-shifted t)
- (setq cua--explicit-region-start nil))
- ((or cua--explicit-region-start cua--rectangle)
- (unless mark-active
- (push-mark-command nil nil)))
- (t
- ;; If we set mark-active to nil here, the region highlight will not be
- ;; removed by the direct_output_ commands.
- (setq deactivate-mark t)))
-
- ;; Handle delete-selection property on other commands
- (if (and mark-active (not deactivate-mark))
- (let* ((ds (or (get this-command 'delete-selection)
- (get this-command 'pending-delete)))
- (nc (cond
- ((not ds) nil)
- ((eq ds 'yank)
- 'cua-paste)
- ((eq ds 'kill)
- (if cua--rectangle
- 'cua-copy-rectangle
- 'cua-copy-region))
- ((eq ds 'supersede)
- (if cua--rectangle
- 'cua-delete-rectangle
- 'cua-delete-region))
- (t
- (if cua--rectangle
- 'cua-delete-rectangle ;; replace?
- 'cua-replace-region)))))
- (if nc
- (setq this-original-command this-command
- this-command nc)))))
-
- ;; Detect extension of rectangles by mouse or other movement
- (setq cua--buffer-and-point-before-command
- (if cua--rectangle (cons (current-buffer) (point))))
- )
- (error nil)))
+ (when cua-mode
+ (condition-case nil
+ (cua--pre-command-handler-1)
+ (error nil))))
;;; Post-command hook
-(defun cua--post-command-handler ()
- (condition-case nil
- (progn
- (when cua--global-mark-active
- (cua--global-mark-post-command))
- (when (fboundp 'cua--rectangle-post-command)
- (cua--rectangle-post-command))
- (setq cua--buffer-and-point-before-command nil)
- (if (or (not mark-active) deactivate-mark)
- (setq cua--explicit-region-start nil))
-
- ;; Debugging
- (if cua--debug
- (cond
- (cua--rectangle (cua--rectangle-assert))
- (mark-active (message "Mark=%d Point=%d Expl=%s"
- (mark t) (point) cua--explicit-region-start))))
-
- ;; Disable transient-mark-mode if rectangle active in current buffer.
- (if (not (window-minibuffer-p (selected-window)))
- (setq transient-mark-mode (and (not cua--rectangle)
- (if cua-highlight-region-shift-only
- (not cua--explicit-region-start)
- t))))
- (if cua-enable-cursor-indications
- (cua--update-indications))
+(defun cua--post-command-handler-1 ()
+ (when cua--global-mark-active
+ (cua--global-mark-post-command))
+ (when (fboundp 'cua--rectangle-post-command)
+ (cua--rectangle-post-command))
+ (setq cua--buffer-and-point-before-command nil)
+ (if (or (not mark-active) deactivate-mark)
+ (setq cua--explicit-region-start nil))
+
+ ;; Debugging
+ (if cua--debug
+ (cond
+ (cua--rectangle (cua--rectangle-assert))
+ (mark-active (message "Mark=%d Point=%d Expl=%s"
+ (mark t) (point) cua--explicit-region-start))))
- (cua--select-keymaps)
- )
+ ;; Disable transient-mark-mode if rectangle active in current buffer.
+ (if (not (window-minibuffer-p (selected-window)))
+ (setq transient-mark-mode (and (not cua--rectangle)
+ (if cua-highlight-region-shift-only
+ (not cua--explicit-region-start)
+ t))))
+ (if cua-enable-cursor-indications
+ (cua--update-indications))
- (error nil)))
+ (cua--select-keymaps))
+
+(defun cua--post-command-handler ()
+ (when cua-mode
+ (condition-case nil
+ (cua--post-command-handler-1)
+ (error nil))))
;;; Keymaps
(if (or (nth 1 cua--saved-state) (nth 2 cua--saved-state)) " enabled" "")))
(setq cua--saved-state nil))))
+
+;;;###autoload
+(defun cua-selection-mode (arg)
+ "Enable CUA selection mode without the C-z/C-x/C-c/C-v bindings."
+ (interactive "P")
+ (setq-default cua-enable-cua-keys nil)
+ (cua-mode arg))
+
+
(defun cua-debug ()
"Toggle CUA debugging."
(interactive)