;;; mouse.el --- window system-independent mouse support.
-;;; Copyright (C) 1993 Free Software Foundation, Inc.
+;;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: hardware
;;; Indent track-mouse like progn.
(put 'track-mouse 'lisp-indent-function 0)
+(defvar mouse-yank-at-point nil
+ "*If non-nil, mouse yank commands yank at point instead of at click.")
\f
+(defun mouse-minibuffer-check (event)
+ (let ((w (posn-window (event-start event))))
+ (and (window-minibuffer-p w)
+ (not (minibuffer-window-active-p w))
+ (error "Minibuffer window is not active"))))
+
(defun mouse-delete-window (click)
"Delete the window you click on.
This must be bound to a mouse click."
(interactive "e")
+ (mouse-minibuffer-check click)
(delete-window (posn-window (event-start click))))
+(defun mouse-select-window (click)
+ "Select the window clicked on; don't move point."
+ (interactive "e")
+ (mouse-minibuffer-check click)
+ (let ((oframe (selected-frame))
+ (frame (window-frame (posn-window (event-start click)))))
+ (select-window (posn-window (event-start click)))
+ (raise-frame frame)
+ (select-frame frame)
+ (or (eq frame oframe)
+ (set-mouse-position (selected-frame) (1- (frame-width)) 0))
+ (unfocus-frame)))
+
(defun mouse-tear-off-window (click)
"Delete the window clicked on, and create a new frame displaying its buffer."
(interactive "e")
+ (mouse-minibuffer-check click)
(let* ((window (posn-window (event-start click)))
(buf (window-buffer window))
- (frame (new-frame)))
+ (frame (make-frame)))
(select-frame frame)
(switch-to-buffer buf)
(delete-window window)))
The window is split at the line clicked on.
This command must be bound to a mouse click."
(interactive "@e")
+ (mouse-minibuffer-check click)
(let ((start (event-start click)))
(select-window (posn-window start))
(let ((new-height (if (eq (posn-point start) 'vertical-scroll-bar)
The window is split at the column clicked on.
This command must be bound to a mouse click."
(interactive "@e")
+ (mouse-minibuffer-check click)
(let ((start (event-start click)))
(select-window (posn-window start))
(let ((new-width (1+ (car (posn-col-row (event-end click)))))
"Move point to the position clicked on with the mouse.
This should be bound to a mouse click event type."
(interactive "e")
+ (mouse-minibuffer-check event)
;; Use event-end in case called from mouse-drag-region.
;; If EVENT is a click, event-end and event-start give same value.
(let ((posn (event-end event)))
- (and (window-minibuffer-p (posn-window posn))
- (not (minibuffer-window-active-p (posn-window posn)))
- (error "Minibuffer window is not active"))
(select-window (posn-window posn))
(if (numberp (posn-point posn))
(goto-char (posn-point posn)))))
(defun mouse-set-region (click)
- "Set the region to the text that the mouse is dragged over.
+ "Set the region to the text dragged over, and copy to kill ring.
This should be bound to a mouse drag event."
(interactive "e")
+ (mouse-minibuffer-check click)
(let ((posn (event-start click))
(end (event-end click)))
(select-window (posn-window posn))
(push-mark)
(set-mark (point))
(if (numberp (posn-point end))
- (goto-char (posn-point end)))))
+ (goto-char (posn-point end)))
+ ;; Don't set this-command to kill-region, so that a following
+ ;; C-w will not double the text in the kill ring.
+ (let (this-command)
+ (copy-region-as-kill (mark) (point)))))
(defvar mouse-scroll-delay 0.25
"*The pause between scroll steps caused by mouse drags, in seconds.
(defvar mouse-drag-overlay (make-overlay 1 1))
(overlay-put mouse-drag-overlay 'face 'region)
+(defvar mouse-selection-click-count 0)
+
(defun mouse-drag-region (start-event)
"Set the region to the text that the mouse is dragged over.
Highlight the drag area as you move the mouse.
In Transient Mark mode, the highlighting remains once you
release the mouse button. Otherwise, it does not."
(interactive "e")
+ (mouse-minibuffer-check start-event)
(let* ((start-posn (event-start start-event))
(start-point (posn-point start-posn))
(start-window (posn-window start-posn))
(bottom (if (window-minibuffer-p start-window)
(nth 3 bounds)
;; Don't count the mode line.
- (1- (nth 3 bounds)))))
+ (1- (nth 3 bounds))))
+ (click-count (1- (event-click-count start-event))))
+ (setq mouse-selection-click-count click-count)
(mouse-set-point start-event)
- (move-overlay mouse-drag-overlay
- start-point start-point
- (window-buffer start-window))
+ (let ((range (mouse-start-end start-point start-point click-count)))
+ (move-overlay mouse-drag-overlay (car range) (nth 1 range)
+ (window-buffer start-window)))
(deactivate-mark)
(let (event end end-point)
(track-mouse
(setq event (read-event))
(or (mouse-movement-p event)
(eq (car-safe event) 'switch-frame)))
-
(if (eq (car-safe event) 'switch-frame)
nil
(setq end (event-end event)
((and (eq (posn-window end) start-window)
(integer-or-marker-p end-point))
(goto-char end-point)
- (move-overlay mouse-drag-overlay
- start-point (point)))
-
- ;; Are we moving on a different window on the same frame?
- ((and (windowp (posn-window end))
- (eq (window-frame (posn-window end)) start-frame))
- (let ((mouse-row
- (+ (nth 1 (window-edges (posn-window end)))
- (cdr (posn-col-row end)))))
+ (let ((range (mouse-start-end start-point (point) click-count)))
+ (move-overlay mouse-drag-overlay (car range) (nth 1 range))))
+
+ (t
+ (let ((mouse-row (cdr (cdr (mouse-position)))))
(cond
+ ((null mouse-row))
((< mouse-row top)
(mouse-scroll-subr
(- mouse-row top) mouse-drag-overlay start-point))
((and (not (eobp))
(>= mouse-row bottom))
(mouse-scroll-subr (1+ (- mouse-row bottom))
- mouse-drag-overlay start-point)))))
-
- (t
- (let ((mouse-y (cdr (cdr (mouse-position))))
- (menu-bar-lines (or (cdr (assq 'menu-bar-lines
- (frame-parameters)))
- 0)))
-
- ;; Are we on the menu bar?
- (and (integerp mouse-y) (< mouse-y menu-bar-lines)
- (mouse-scroll-subr (- mouse-y menu-bar-lines)
- mouse-drag-overlay start-point))))))))
+ mouse-drag-overlay start-point)))))))))
(if (and (eq (get (event-basic-type event) 'event-kind) 'mouse-click)
(eq (posn-window (event-end event)) start-window)
(numberp (posn-point (event-end event))))
- (progn
- (mouse-set-point event)
- (if (= (point) start-point)
- (deactivate-mark)
- (set-mark start-point))))
+ (let ((fun (key-binding (vector (car event)))))
+ (if (memq fun '(mouse-set-region mouse-set-point))
+ (if (not (= (overlay-start mouse-drag-overlay)
+ (overlay-end mouse-drag-overlay)))
+ (let (this-command)
+ (push-mark (overlay-start mouse-drag-overlay) t t)
+ (goto-char (overlay-end mouse-drag-overlay))
+ (copy-region-as-kill (point) (mark t)))
+ (goto-char (overlay-end mouse-drag-overlay))
+ (setq this-command 'mouse-set-point))
+ (if (fboundp fun)
+ (funcall fun event)))))
(delete-overlay mouse-drag-overlay))))
-
-;;;! (defun mouse-drag-region (click)
-;;;! "Set the region to the text that the mouse is dragged over.
-;;;! This must be bound to a button-down mouse event."
-;;;! (interactive "e")
-;;;! (let ((posn (event-start click))
-;;;! done event (mark-active nil))
-;;;! (select-window (posn-window posn))
-;;;! ;; Set point temporarily, so user sees where it is.
-;;;! (if (numberp (posn-point posn))
-;;;! (goto-char (posn-point posn)))
-;;;! ;; Turn off the old mark when we set up an empty region.
-;;;! (setq deactivate-mark t)))
-;;;!
-;;;! ;;;Nice hack, but too slow, so not normally in use.
-;;;! (defun mouse-drag-region-1 (click)
-;;;! "Set the region to the text that the mouse is dragged over.
-;;;! This must be bound to a button-down mouse event."
-;;;! (interactive "e")
-;;;! (let (newmark)
-;;;! (let ((posn (event-start click))
-;;;! done event omark (mark-active t))
-;;;! (select-window (posn-window posn))
-;;;! (setq omark (and mark-active (mark)))
-;;;! (if (numberp (posn-point posn))
-;;;! (goto-char (posn-point posn)))
-;;;! ;; Set mark temporarily, so highlighting does what we want.
-;;;! (set-marker (mark-marker) (point))
-;;;! (track-mouse
-;;;! (while (not done)
-;;;! (setq event (read-event))
-;;;! (if (eq (car-safe event) 'mouse-movement)
-;;;! (goto-char (posn-point (event-start event)))
-;;;! ;; Exit when we get the drag event; ignore that event.
-;;;! (setq done t))))
-;;;! (if (/= (mark) (point))
-;;;! (setq newmark (mark)))
-;;;! ;; Restore previous mark status.
-;;;! (if omark (set-marker (mark-marker) omark)))
-;;;! ;; Now, if we dragged, set the mark at the proper place.
-;;;! (if newmark
-;;;! (push-mark newmark t t)
-;;;! ;; Turn off the old mark when we set up an empty region.
-;;;! (setq deactivate-mark t))))
+\f
+;; Commands to handle xterm-style multiple clicks.
+
+(defun mouse-skip-word (dir)
+ "Skip over word, over whitespace, or over identical punctuation.
+If DIR is positive skip forward; if negative, skip backward."
+ (let* ((char (following-char))
+ (syntax (char-to-string (char-syntax char))))
+ (if (or (string= syntax "w") (string= syntax " "))
+ (if (< dir 0)
+ (skip-syntax-backward syntax)
+ (skip-syntax-forward syntax))
+ (if (< dir 0)
+ (while (and (not (bobp)) (= (preceding-char) char))
+ (forward-char -1))
+ (while (and (not (eobp)) (= (following-char) char))
+ (forward-char 1))))))
+
+;; Return a list of region bounds based on START and END according to MODE.
+;; If MODE is 0 then set point to (min START END), mark to (max START END).
+;; If MODE is 1 then set point to start of word at (min START END),
+;; mark to end of word at (max START END).
+;; If MODE is 2 then do the same for lines.
+(defun mouse-start-end (start end mode)
+ (if (> start end)
+ (let ((temp start))
+ (setq start end
+ end temp)))
+ (setq mode (mod mode 3))
+ (cond ((= mode 0)
+ (list start end))
+ ((and (= mode 1)
+ (= start end)
+ (char-after start)
+ (= (char-syntax (char-after start)) ?\())
+ (list start
+ (save-excursion
+ (goto-char start)
+ (forward-sexp 1)
+ (point))))
+ ((and (= mode 1)
+ (= start end)
+ (char-after start)
+ (= (char-syntax (char-after start)) ?\)))
+ (list (save-excursion
+ (goto-char (1+ start))
+ (backward-sexp 1)
+ (point))
+ (1+ start)))
+ ((= mode 1)
+ (list (save-excursion
+ (goto-char start)
+ (mouse-skip-word -1)
+ (point))
+ (save-excursion
+ (goto-char end)
+ (mouse-skip-word 1)
+ (point))))
+ ((= mode 2)
+ (list (save-excursion
+ (goto-char start)
+ (beginning-of-line 1)
+ (point))
+ (save-excursion
+ (goto-char end)
+ (forward-line 1)
+ (point))))))
\f
;; Subroutine: set the mark where CLICK happened,
;; but don't do anything else.
(defun mouse-set-mark-fast (click)
+ (mouse-minibuffer-check click)
(let ((posn (event-start click)))
(select-window (posn-window posn))
(if (numberp (posn-point posn))
"Kill the region between point and the mouse click.
The text is saved in the kill ring, as with \\[kill-region]."
(interactive "e")
- (let ((click-posn (posn-point (event-start click))))
+ (mouse-minibuffer-check click)
+ (let* ((posn (event-start click))
+ (click-posn (posn-point posn)))
+ (select-window (posn-window posn))
(if (numberp click-posn)
(kill-region (min (point) click-posn)
(max (point) click-posn)))))
(defun mouse-yank-at-click (click arg)
"Insert the last stretch of killed text at the position clicked on.
-Prefix arguments are interpreted as with \\[yank]."
+Also move point to one end of the text thus inserted (normally the end).
+Prefix arguments are interpreted as with \\[yank].
+If `mouse-yank-at-point' is non-nil, insert at point
+regardless of where you click."
(interactive "e\nP")
- (mouse-set-point click)
+ (or mouse-yank-at-point (mouse-set-point click))
+ (setq this-command 'yank)
(yank arg))
(defun mouse-kill-ring-save (click)
;;; invocation of mouse-save-then-kill.
(defvar mouse-save-then-kill-posn nil)
+(defun mouse-save-then-kill-delete-region (beg end)
+ ;; We must make our own undo boundaries
+ ;; because they happen automatically only for the current buffer.
+ (undo-boundary)
+ (if (or (= beg end) (eq buffer-undo-list t))
+ ;; If we have no undo list in this buffer,
+ ;; just delete.
+ (delete-region beg end)
+ ;; Delete, but make the undo-list entry share with the kill ring.
+ ;; First, delete just one char, so in case buffer is being modified
+ ;; for the first time, the undo list records that fact.
+ (delete-region beg
+ (+ beg (if (> end beg) 1 -1)))
+ (let ((buffer-undo-list buffer-undo-list))
+ ;; Undo that deletion--but don't change the undo list!
+ (primitive-undo 1 buffer-undo-list)
+ ;; Now delete the rest of the specified region,
+ ;; but don't record it.
+ (setq buffer-undo-list t)
+ (if (/= (length (car kill-ring)) (- (max end beg) (min end beg)))
+ (error "Lossage in mouse-save-then-kill-delete-region"))
+ (delete-region beg end))
+ (let ((tail buffer-undo-list))
+ ;; Search back in buffer-undo-list for the string
+ ;; that came from deleting one character.
+ (while (and tail (not (stringp (car (car tail)))))
+ (setq tail (cdr tail)))
+ ;; Replace it with an entry for the entire deleted text.
+ (and tail
+ (setcar tail (cons (car kill-ring) (min beg end))))))
+ (undo-boundary))
+
(defun mouse-save-then-kill (click)
"Save text to point in kill ring; the second time, kill the text.
If the text between point and the mouse is the same as what's
at the front of the kill ring, this deletes the text.
Otherwise, it adds the text to the kill ring, like \\[kill-ring-save],
-which prepares for a second click to delete the text."
+which prepares for a second click to delete the text.
+
+If you have selected words or lines, this command extends the
+selection through the word or line clicked on. If you do this
+again in a different position, it extends the selection again.
+If you do this twice in the same position, the selection is killed."
(interactive "e")
+ (mouse-minibuffer-check click)
(let ((click-posn (posn-point (event-start click)))
;; Don't let a subsequent kill command append to this one:
;; prevent setting this-command to kill-region.
(this-command this-command))
- (if (and (eq last-command 'mouse-save-then-kill)
- mouse-save-then-kill-posn
- (eq (car mouse-save-then-kill-posn) (car kill-ring))
- (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
- ;; If this is the second time we've called
- ;; mouse-save-then-kill, delete the text from the buffer.
- (progn
- ;; Delete just one char, so in case buffer is being modified
- ;; for the first time, the undo list records that fact.
- (delete-region (point)
- (+ (point) (if (> (mark) (point)) 1 -1)))
- ;; Now delete the rest of the specified region,
- ;; but don't record it.
- (let ((buffer-undo-list t))
- (delete-region (point) (mark)))
- (if (not (eq buffer-undo-list t))
- (let ((tail buffer-undo-list))
- ;; Search back in buffer-undo-list for the string
- ;; that came from the first delete-region.
- (while (and tail (not (stringp (car (car tail)))))
- (setq tail (cdr tail)))
- ;; Replace it with an entry for the entire deleted text.
- (and tail
- (setcar tail (cons (car kill-ring) (point)))))))
- ;; Otherwise, save this region.
- (mouse-set-mark-fast click)
- (kill-ring-save (point) (mark t))
- (mouse-show-mark)
- (setq mouse-save-then-kill-posn
- (list (car kill-ring) (point) click-posn)))))
+ (if (> (mod mouse-selection-click-count 3) 0)
+ (if (not (and (eq last-command 'mouse-save-then-kill)
+ (equal click-posn
+ (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
+ ;; Find both ends of the object selected by this click.
+ (let* ((range
+ (mouse-start-end click-posn click-posn
+ mouse-selection-click-count)))
+ ;; Move whichever end is closer to the click.
+ ;; That's what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (mark t)))
+ (abs (- click-posn (point))))
+ (set-mark (car range))
+ (goto-char (nth 1 range)))
+ ;; We have already put the old region in the kill ring.
+ ;; Replace it with the extended region.
+ ;; (It would be annoying to make a separate entry.)
+ (setcar kill-ring (buffer-substring (point) (mark t)))
+ (if interprogram-cut-function
+ (funcall interprogram-cut-function (car kill-ring)))
+ ;; Arrange for a repeated mouse-3 to kill this region.
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn))
+ (mouse-show-mark))
+ ;; If we click this button again without moving it,
+ ;; that time kill.
+ (mouse-save-then-kill-delete-region (point) (mark))
+ (setq mouse-selection-click-count 0)
+ (setq mouse-save-then-kill-posn nil))
+ (if (and (eq last-command 'mouse-save-then-kill)
+ mouse-save-then-kill-posn
+ (eq (car mouse-save-then-kill-posn) (car kill-ring))
+ (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
+ ;; If this is the second time we've called
+ ;; mouse-save-then-kill, delete the text from the buffer.
+ (progn
+ (mouse-save-then-kill-delete-region (point) (mark))
+ ;; After we kill, another click counts as "the first time".
+ (setq mouse-save-then-kill-posn nil))
+ (if (or (and (eq last-command 'mouse-save-then-kill)
+ mouse-save-then-kill-posn)
+ (and mark-active transient-mark-mode)
+ (and (eq last-command 'mouse-drag-region)
+ (or mark-even-if-inactive
+ (not transient-mark-mode))))
+ ;; We have a selection or suitable region, so adjust it.
+ (let* ((posn (event-start click))
+ (new (posn-point posn)))
+ (select-window (posn-window posn))
+ (if (numberp new)
+ (progn
+ ;; Move whichever end of the region is closer to the click.
+ ;; That is what xterm does, and it seems reasonable.
+ (if (< (abs (- new (point))) (abs (- new (mark t))))
+ (goto-char new)
+ (set-mark new))
+ (setq deactivate-mark nil)))
+ (setcar kill-ring (buffer-substring (point) (mark t)))
+ (if interprogram-cut-function
+ (funcall interprogram-cut-function (car kill-ring))))
+ ;; We just have point, so set mark here.
+ (mouse-set-mark-fast click)
+ (kill-ring-save (point) (mark t))
+ (mouse-show-mark))
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn))))))
\f
(global-set-key [M-mouse-1] 'mouse-start-secondary)
(global-set-key [M-drag-mouse-1] 'mouse-set-secondary)
(global-set-key [M-down-mouse-1] 'mouse-drag-secondary)
(global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill)
-(global-set-key [M-mouse-2] 'mouse-kill-secondary)
+(global-set-key [M-mouse-2] 'mouse-yank-secondary)
;; An overlay which records the current secondary selection
;; or else is deleted when there is no secondary selection.
Use \\[mouse-secondary-save-then-kill] to set the other end
and complete the secondary selection."
(interactive "e")
+ (mouse-minibuffer-check click)
(let ((posn (event-start click)))
(save-excursion
(set-buffer (window-buffer (posn-window posn)))
"Set the secondary selection to the text that the mouse is dragged over.
This must be bound to a mouse drag event."
(interactive "e")
+ (mouse-minibuffer-check click)
(let ((posn (event-start click))
beg
(end (event-end click)))
(setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
(overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
-(defun mouse-drag-secondary (click)
+(defun mouse-drag-secondary (start-event)
"Set the secondary selection to the text that the mouse is dragged over.
+Highlight the drag area as you move the mouse.
This must be bound to a button-down mouse event."
(interactive "e")
- (let ((posn (event-start click)))
- (save-window-excursion
- (select-window (posn-window posn))
- ;; Set point temporarily, so user sees where it is.
- (save-excursion
- (if (numberp (posn-point posn))
- (goto-char (posn-point posn)))
- (setq unread-command-events
- (cons (read-event) unread-command-events))))))
+ (mouse-minibuffer-check start-event)
+ (let* ((start-posn (event-start start-event))
+ (start-point (posn-point start-posn))
+ (start-window (posn-window start-posn))
+ (start-frame (window-frame start-window))
+ (bounds (window-edges start-window))
+ (top (nth 1 bounds))
+ (bottom (if (window-minibuffer-p start-window)
+ (nth 3 bounds)
+ ;; Don't count the mode line.
+ (1- (nth 3 bounds))))
+ (click-count (1- (event-click-count start-event))))
+ (save-excursion
+ (set-buffer (window-buffer start-window))
+ (setq mouse-selection-click-count click-count)
+ (or mouse-secondary-overlay
+ (setq mouse-secondary-overlay
+ (make-overlay (point) (point))))
+ (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
+ (if (> (mod click-count 3) 0)
+ ;; Double or triple press: make an initial selection
+ ;; of one word or line.
+ (let ((range (mouse-start-end start-point start-point click-count)))
+ (set-marker mouse-secondary-start nil)
+ (move-overlay mouse-secondary-overlay 1 1
+ (window-buffer start-window))
+ (move-overlay mouse-secondary-overlay (car range) (nth 1 range)
+ (window-buffer start-window)))
+ ;; Single-press: cancel any preexisting secondary selection.
+ (or mouse-secondary-start
+ (setq mouse-secondary-start (make-marker)))
+ (set-marker mouse-secondary-start start-point)
+ (delete-overlay mouse-secondary-overlay))
+ (let (event end end-point)
+ (track-mouse
+ (while (progn
+ (setq event (read-event))
+ (or (mouse-movement-p event)
+ (eq (car-safe event) 'switch-frame)))
+
+ (if (eq (car-safe event) 'switch-frame)
+ nil
+ (setq end (event-end event)
+ end-point (posn-point end))
+ (cond
+
+ ;; Ignore switch-frame events.
+ ((eq (car-safe event) 'switch-frame))
+
+ ;; Are we moving within the original window?
+ ((and (eq (posn-window end) start-window)
+ (integer-or-marker-p end-point))
+ (if (/= start-point end-point)
+ (set-marker mouse-secondary-start nil))
+ (let ((range (mouse-start-end start-point end-point
+ click-count)))
+ (move-overlay mouse-secondary-overlay
+ (car range) (nth 1 range))))
+
+ ;; Are we moving on a different window on the same frame?
+ ((and (windowp (posn-window end))
+ (eq (window-frame (posn-window end)) start-frame))
+ (let ((mouse-row
+ (+ (nth 1 (window-edges (posn-window end)))
+ (cdr (posn-col-row end)))))
+ (cond
+ ((< mouse-row top)
+ (mouse-scroll-subr
+ (- mouse-row top) mouse-secondary-overlay start-point))
+ ((and (not (eobp))
+ (>= mouse-row bottom))
+ (mouse-scroll-subr (1+ (- mouse-row bottom))
+ mouse-drag-overlay start-point)))))
+
+ (t
+ (let ((mouse-y (cdr (cdr (mouse-position))))
+ (menu-bar-lines (or (cdr (assq 'menu-bar-lines
+ (frame-parameters)))
+ 0)))
+
+ ;; Are we on the menu bar?
+ (and (integerp mouse-y) (< mouse-y menu-bar-lines)
+ (mouse-scroll-subr (- mouse-y menu-bar-lines)
+ mouse-secondary-overlay start-point))))))))
+
+ (if (and (eq (get (event-basic-type event) 'event-kind) 'mouse-click)
+ (eq (posn-window (event-end event)) start-window)
+ (numberp (posn-point (event-end event))))
+ (if (marker-position mouse-secondary-start)
+ (save-window-excursion
+ (delete-overlay mouse-secondary-overlay)
+ (x-set-selection 'SECONDARY nil)
+ (select-window start-window)
+ (save-excursion
+ (goto-char mouse-secondary-start)
+ (sit-for 1)))
+ (x-set-selection
+ 'SECONDARY
+ (buffer-substring (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))))))))
+
+(defun mouse-yank-secondary (click)
+ "Insert the secondary selection at the position clicked on.
+Move point to the end of the inserted text.
+If `mouse-yank-at-point' is non-nil, insert at point
+regardless of where you click."
+ (interactive "e")
+ (or mouse-yank-at-point (mouse-set-point click))
+ (insert (x-get-selection 'SECONDARY)))
(defun mouse-kill-secondary ()
- "Kill the text in the secondary selection."
- (interactive "*")
- (kill-region (overlay-start mouse-secondary-overlay)
- (overlay-end mouse-secondary-overlay))
+ "Kill the text in the secondary selection.
+This is intended more as a keyboard command than as a mouse command
+but it can work as either one.
+
+The current buffer (in case of keyboard use), or the buffer clicked on,
+must be the one that the secondary selection is in. This requirement
+is to prevent accidents."
+ (interactive)
+ (let* ((keys (this-command-keys))
+ (click (elt keys (1- (length keys)))))
+ (or (eq (overlay-buffer mouse-secondary-overlay)
+ (if (listp click)
+ (window-buffer (posn-window (event-start click)))
+ (current-buffer)))
+ (error "Select or click on the buffer where the secondary selection is")))
+ (save-excursion
+ (set-buffer (overlay-buffer mouse-secondary-overlay))
+ (kill-region (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))
(delete-overlay mouse-secondary-overlay)
+ (x-set-selection 'SECONDARY nil)
(setq mouse-secondary-overlay nil))
(defun mouse-secondary-save-then-kill (click)
- "Save text to secondary start point in kill ring; if twice, kill it.
-If the text between secondary start point and the mouse is the same as what's
-at the front of the kill ring, this deletes the text.
+ "Save text to point in kill ring; the second time, kill the text.
+You must use this in a buffer where you have recently done \\[mouse-start-secondary].
+If the text between where you did \\[mouse-start-secondary] and where
+you use this command matches the text at the front of the kill ring,
+this command deletes the text.
Otherwise, it adds the text to the kill ring, like \\[kill-ring-save],
-which prepares for a second click to delete the text."
+which prepares for a second click with this command to delete the text.
+
+If you have already made a secondary selection in that buffer,
+this command extends or retracts the selection to where you click.
+If you do this again in a different position, it extends or retracts
+again. If you do this twice in the same position, it kills the selection."
(interactive "e")
- (let ((click-posn (posn-point (event-start click)))
- (start (+ 0 mouse-secondary-start))
+ (mouse-minibuffer-check click)
+ (let ((posn (event-start click))
+ (click-posn (posn-point (event-start click)))
;; Don't let a subsequent kill command append to this one:
;; prevent setting this-command to kill-region.
(this-command this-command))
- (if (and (eq last-command 'mouse-secondary-save-then-kill)
- mouse-save-then-kill-posn
- (eq (car mouse-save-then-kill-posn) (car kill-ring))
- (equal (cdr mouse-save-then-kill-posn)
- (list start click-posn)))
- ;; If this is the second time we've called
- ;; mouse-save-then-kill, delete the text from the buffer.
- (progn
- (let ((buffer-undo-list t))
- (delete-overlay mouse-secondary-overlay)
- (delete-region start click-posn))
- ;; Make the undo list by hand so it is shared.
- (if (not (eq buffer-undo-list t))
- (setq buffer-undo-list
- (cons (cons (car kill-ring) (marker-position start))
- buffer-undo-list))))
- ;; Otherwise, save this region.
- (save-excursion
- (set-buffer (window-buffer (posn-window (event-start click))))
- (kill-ring-save start click-posn)
- (if mouse-secondary-overlay
- (move-overlay mouse-secondary-overlay start click-posn)
- (setq mouse-secondary-overlay (make-overlay start click-posn)))
- (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
- (setq mouse-save-then-kill-posn
- (list (car kill-ring) start click-posn))))))
+ (or (eq (window-buffer (posn-window posn))
+ (or (and mouse-secondary-overlay
+ (overlay-buffer mouse-secondary-overlay))
+ (if mouse-secondary-start
+ (marker-buffer mouse-secondary-start))))
+ (error "Wrong buffer"))
+ (save-excursion
+ (set-buffer (window-buffer (posn-window posn)))
+ (if (> (mod mouse-selection-click-count 3) 0)
+ (if (not (and (eq last-command 'mouse-secondary-save-then-kill)
+ (equal click-posn
+ (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
+ ;; Find both ends of the object selected by this click.
+ (let* ((range
+ (mouse-start-end click-posn click-posn
+ mouse-selection-click-count)))
+ ;; Move whichever end is closer to the click.
+ ;; That's what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
+ (abs (- click-posn (overlay-end mouse-secondary-overlay))))
+ (move-overlay mouse-secondary-overlay (car range)
+ (overlay-end mouse-secondary-overlay))
+ (move-overlay mouse-secondary-overlay
+ (overlay-start mouse-secondary-overlay)
+ (nth 1 range)))
+ ;; We have already put the old region in the kill ring.
+ ;; Replace it with the extended region.
+ ;; (It would be annoying to make a separate entry.)
+ (setcar kill-ring (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))
+ (if interprogram-cut-function
+ (funcall interprogram-cut-function (car kill-ring)))
+ ;; Arrange for a repeated mouse-3 to kill this region.
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn)))
+ ;; If we click this button again without moving it,
+ ;; that time kill.
+ (progn
+ (mouse-save-then-kill-delete-region
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay))
+ (setq mouse-save-then-kill-posn nil)
+ (setq mouse-selection-click-count 0)
+ (delete-overlay mouse-secondary-overlay)))
+ (if (and (eq last-command 'mouse-secondary-save-then-kill)
+ mouse-save-then-kill-posn
+ (eq (car mouse-save-then-kill-posn) (car kill-ring))
+ (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
+ ;; If this is the second time we've called
+ ;; mouse-secondary-save-then-kill, delete the text from the buffer.
+ (progn
+ (mouse-save-then-kill-delete-region
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay))
+ (setq mouse-save-then-kill-posn nil)
+ (delete-overlay mouse-secondary-overlay))
+ (if (overlay-start mouse-secondary-overlay)
+ ;; We have a selection, so adjust it.
+ (progn
+ (if (numberp click-posn)
+ (progn
+ ;; Move whichever end of the region is closer to the click.
+ ;; That is what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
+ (abs (- click-posn (overlay-end mouse-secondary-overlay))))
+ (move-overlay mouse-secondary-overlay click-posn
+ (overlay-end mouse-secondary-overlay))
+ (move-overlay mouse-secondary-overlay
+ (overlay-start mouse-secondary-overlay)
+ click-posn))
+ (setq deactivate-mark nil)))
+ (setcar kill-ring (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))
+ (if interprogram-cut-function
+ (funcall interprogram-cut-function (car kill-ring))))
+ (if mouse-secondary-start
+ ;; All we have is one end of a selection,
+ ;; so put the other end here.
+ (let ((start (+ 0 mouse-secondary-start)))
+ (kill-ring-save start click-posn)
+ (if mouse-secondary-overlay
+ (move-overlay mouse-secondary-overlay start click-posn)
+ (setq mouse-secondary-overlay (make-overlay start click-posn)))
+ (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn))))
+ (x-set-selection 'SECONDARY
+ (if (overlay-buffer mouse-secondary-overlay)
+ (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))))))
\f
(defun mouse-buffer-menu (event)
"Pop up a menu of buffers for selection with the mouse.
This switches buffers in the window that you clicked on,
and selects that window."
(interactive "e")
+ (mouse-minibuffer-check event)
(let ((menu
(list "Buffer Menu"
(cons "Select Buffer"
(defun mouse-choose-completion (event)
"Click on an alternative in the `*Completions*' buffer to choose it."
(interactive "e")
- (let (choice)
+ (let ((buffer (window-buffer))
+ choice)
(save-excursion
(set-buffer (window-buffer (posn-window (event-start event))))
+ (if completion-reference-buffer
+ (setq buffer completion-reference-buffer))
(save-excursion
(goto-char (posn-point (event-start event)))
(skip-chars-backward "^ \t\n")
(let ((beg (point)))
(skip-chars-forward "^ \t\n")
(setq choice (buffer-substring beg (point))))))
- (set-buffer (window-buffer (minibuffer-window)))
- (goto-char (max (point-min) (- (point-max) (length choice))))
- (while (and (not (eobp))
- (let ((tail (buffer-substring (point) (point-max))))
- (not (string= tail (substring choice 0 (length tail))))))
- (forward-char 1))
- (insert choice)
- (delete-region (point) (point-max))
- (minibuffer-complete-and-exit)))
+ (let ((owindow (selected-window)))
+ (select-window (posn-window (event-start event)))
+ (bury-buffer)
+ (select-window owindow))
+ (choose-completion-string choice buffer)))
\f
;; Font selection.
(defvar x-fixed-font-alist
'("Font menu"
("Misc"
- ("6x10" "-misc-fixed-medium-r-semicondensed--10-110-75-75-c-60-*-1")
- ("6x12" "-misc-fixed-medium-r-semicondensed--12-110-75-75-c-60-*-1")
- ("6x13" "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-*-1")
+ ("6x10" "-misc-fixed-medium-r-normal--10-100-75-75-c-60-*-1" "6x10")
+ ("6x12" "-misc-fixed-medium-r-semicondensed--12-110-75-75-c-60-*-1" "6x12")
+ ("6x13" "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-*-1" "6x13")
("lucida 13"
"-b&h-lucidatypewriter-medium-r-normal-sans-0-0-0-0-m-0-*-1")
- ("7x13" "-misc-fixed-medium-r-normal--13-120-75-75-c-70-*-1")
- ("7x14" "-misc-fixed-medium-r-normal--14-130-75-75-c-70-*-1")
- ("9x15" "-misc-fixed-medium-r-normal--15-140-*-*-c-*-*-1")
+ ("7x13" "-misc-fixed-medium-r-normal--13-120-75-75-c-70-*-1" "7x13")
+ ("7x14" "-misc-fixed-medium-r-normal--14-130-75-75-c-70-*-1" "7x14")
+ ("9x15" "-misc-fixed-medium-r-normal--15-140-*-*-c-*-*-1" "9x15")
("")
("clean 8x8" "-schumacher-clean-medium-r-normal--*-80-*-*-c-*-*-1")
("clean 8x14" "-schumacher-clean-medium-r-normal--*-140-*-*-c-*-*-1")
)
"X fonts suitable for use in Emacs.")
-(defun mouse-set-font (&optional font)
+(defun mouse-set-font (&rest fonts)
"Select an emacs font from a list of known good fonts"
(interactive
(x-popup-menu last-nonmenu-event x-fixed-font-alist))
- (if font
- (progn (modify-frame-parameters (selected-frame)
- (list (cons 'font font)))
- ;; Update some standard faces too.
- (set-face-font 'bold nil (selected-frame))
- (make-face-bold 'bold (selected-frame) t)
- (set-face-font 'italic nil (selected-frame))
- (make-face-italic 'italic (selected-frame) t)
- (set-face-font 'bold-italic nil (selected-frame))
- (make-face-bold-italic 'bold-italic (selected-frame) t))))
+ (if fonts
+ (let (font)
+ (while fonts
+ (condition-case nil
+ (progn
+ (set-default-font (car fonts))
+ (setq font (car fonts))
+ (setq fonts nil))
+ (error
+ (setq fonts (cdr fonts)))))
+ (if (null font)
+ (error "Font not found")))))
\f
;;; Bindings for mouse commands.
(global-set-key [mouse-1] 'mouse-set-point)
(global-set-key [drag-mouse-1] 'mouse-set-region)
+;; These are tested for in mouse-drag-region.
+(global-set-key [double-mouse-1] 'mouse-set-point)
+(global-set-key [triple-mouse-1] 'mouse-set-point)
+
(global-set-key [mouse-2] 'mouse-yank-at-click)
(global-set-key [mouse-3] 'mouse-save-then-kill)
;; Replaced with dragging mouse-1
;; (global-set-key [S-mouse-1] 'mouse-set-mark)
-(global-set-key [mode-line mouse-1] 'mouse-delete-other-windows)
+(global-set-key [mode-line mouse-1] 'mouse-select-window)
+(global-set-key [mode-line mouse-2] 'mouse-delete-other-windows)
(global-set-key [mode-line mouse-3] 'mouse-delete-window)
-(global-set-key [mode-line S-mouse-2] 'mouse-split-window-horizontally)
-\f
-;; Define the mouse help menu tree.
-
-(defvar help-menu-map '(keymap "Help"))
-(global-set-key [C-down-mouse-2] help-menu-map)
-
-(defvar help-apropos-map (make-sparse-keymap "Is there a command that..."))
-(defvar help-keys-map (make-sparse-keymap "Key Commands <==> Functions"))
-(defvar help-manual-map (make-sparse-keymap "Manual and tutorial"))
-(defvar help-misc-map (make-sparse-keymap "Odds and ends"))
-(defvar help-modes-map (make-sparse-keymap "Modes"))
-(defvar help-admin-map (make-sparse-keymap "Administrivia"))
-
-(define-key help-menu-map [apropos]
- (cons "@Is there a command that..." help-apropos-map))
-(define-key help-menu-map [keys]
- (cons "@Key Commands <==> Functions" help-keys-map))
-(define-key help-menu-map [manuals]
- (cons "@Manual and tutorial" help-manual-map))
-(define-key help-menu-map [misc]
- (cons "@Odds and ends" help-misc-map))
-(define-key help-menu-map [modes]
- (cons "@Modes" help-modes-map))
-(define-key help-menu-map [admin]
- (cons "@Administrivia" help-admin-map))
-
-(define-key help-apropos-map "c" '("Command Apropos" . command-apropos))
-(define-key help-apropos-map "a" '("Apropos" . apropos))
-
-(define-key help-keys-map "b"
- '("List all keystroke commands" . describe-bindings))
-(define-key help-keys-map "c"
- '("Describe key briefly" . describe-key-briefly))
-(define-key help-keys-map "k"
- '("Describe key verbose" . describe-key))
-(define-key help-keys-map "f"
- '("Describe Lisp function" . describe-function))
-(define-key help-keys-map "w"
- '("Where is this command" . where-is))
-
-(define-key help-manual-map "i" '("Info system" . info))
-(define-key help-manual-map "t"
- '("Invoke Emacs tutorial" . help-with-tutorial))
-
-(define-key help-misc-map "l" '("Last 100 Keystrokes" . view-lossage))
-(define-key help-misc-map "s" '("Describe syntax table" . describe-syntax))
-
-(define-key help-modes-map "m"
- '("Describe current major mode" . describe-mode))
-(define-key help-modes-map "b"
- '("List all keystroke commands" . describe-bindings))
-
-(define-key help-admin-map "n"
- '("View Emacs news" . view-emacs-news))
-(define-key help-admin-map "l"
- '("View Emacs copying conditions" . describe-copying))
-(define-key help-admin-map "d"
- '("Describe distribution" . describe-distribution))
-(define-key help-admin-map "w"
- '("Describe (non)warranty" . describe-no-warranty))
+(global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally)
(provide 'mouse)
HCoop / bpt / emacs.git / blobdiff