| 1 | ;;; mouse.el --- window system-independent mouse support. |
| 2 | |
| 3 | ;;; Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Maintainer: FSF |
| 6 | ;; Keywords: hardware |
| 7 | |
| 8 | ;;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;;; GNU Emacs is free software; you can redistribute it and/or modify |
| 11 | ;;; it under the terms of the GNU General Public License as published by |
| 12 | ;;; the Free Software Foundation; either version 2, or (at your option) |
| 13 | ;;; any later version. |
| 14 | |
| 15 | ;;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;;; GNU General Public License for more details. |
| 19 | |
| 20 | ;;; You should have received a copy of the GNU General Public License |
| 21 | ;;; along with GNU Emacs; see the file COPYING. If not, write to |
| 22 | ;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;; This package provides various useful commands (including help |
| 27 | ;; system access) through the mouse. All this code assumes that mouse |
| 28 | ;; interpretation has been abstracted into Emacs input events. |
| 29 | ;; |
| 30 | ;; The code is rather X-dependent. |
| 31 | |
| 32 | ;;; Code: |
| 33 | |
| 34 | ;;; Utility functions. |
| 35 | |
| 36 | ;;; Indent track-mouse like progn. |
| 37 | (put 'track-mouse 'lisp-indent-function 0) |
| 38 | |
| 39 | (defvar mouse-yank-at-point nil |
| 40 | "*If non-nil, mouse yank commands yank at point instead of at click.") |
| 41 | \f |
| 42 | ;; Provide a mode-specific menu on a mouse button. |
| 43 | |
| 44 | (defun mouse-major-mode-menu (event) |
| 45 | "Pop up a mode-specific menu of mouse commands." |
| 46 | ;; Switch to the window clicked on, because otherwise |
| 47 | ;; the mode's commands may not make sense. |
| 48 | (interactive "@e") |
| 49 | (let ((newmap (make-sparse-keymap)) |
| 50 | (unread-command-events (list event))) |
| 51 | ;; Make a keymap in which our last command leads to a menu |
| 52 | (define-key newmap (vector (car event)) |
| 53 | (nconc (make-sparse-keymap "Menu") |
| 54 | (mouse-major-mode-menu-1 |
| 55 | (lookup-key (current-local-map) [menu-bar])))) |
| 56 | (mouse-major-mode-menu-compute-equiv-keys newmap) |
| 57 | (command-execute |
| 58 | ;; Make NEWMAP override the usual definition |
| 59 | ;; of the mouse button that got us here. |
| 60 | ;; Then read the user's menu choice. |
| 61 | (let ((minor-mode-map-alist |
| 62 | (cons (cons t newmap) minor-mode-map-alist))) |
| 63 | (lookup-key newmap (read-key-sequence "")))))) |
| 64 | |
| 65 | ;; Compute and cache the equivalent keys in MENU and all its submenus. |
| 66 | (defun mouse-major-mode-menu-compute-equiv-keys (menu) |
| 67 | (and (eq (car menu) 'keymap) |
| 68 | (x-popup-menu nil menu)) |
| 69 | (while menu |
| 70 | (and (consp (car menu)) |
| 71 | (consp (cdr (car menu))) |
| 72 | (let ((tail (cdr (car menu)))) |
| 73 | (while (and (consp tail) |
| 74 | (not (eq (car tail) 'keymap))) |
| 75 | (setq tail (cdr tail))) |
| 76 | (if (consp tail) |
| 77 | (mouse-major-mode-menu-compute-equiv-keys tail)))) |
| 78 | (setq menu (cdr menu)))) |
| 79 | |
| 80 | ;; Given a mode's menu bar keymap, |
| 81 | ;; if it defines exactly one menu bar menu, |
| 82 | ;; return just that menu. |
| 83 | ;; Otherwise return a menu for all of them. |
| 84 | (defun mouse-major-mode-menu-1 (menubar) |
| 85 | (if menubar |
| 86 | (let ((tail menubar) |
| 87 | submap) |
| 88 | (while tail |
| 89 | (if (consp (car tail)) |
| 90 | (if submap |
| 91 | (setq submap t) |
| 92 | (setq submap (cdr (car tail))))) |
| 93 | (setq tail (cdr tail))) |
| 94 | (if (eq submap t) menubar |
| 95 | submap)))) |
| 96 | \f |
| 97 | ;; Commands that operate on windows. |
| 98 | |
| 99 | (defun mouse-minibuffer-check (event) |
| 100 | (let ((w (posn-window (event-start event)))) |
| 101 | (and (window-minibuffer-p w) |
| 102 | (not (minibuffer-window-active-p w)) |
| 103 | (error "Minibuffer window is not active"))) |
| 104 | ;; Give temporary modes such as isearch a chance to turn off. |
| 105 | (run-hooks 'mouse-leave-buffer-hook)) |
| 106 | |
| 107 | (defun mouse-delete-window (click) |
| 108 | "Delete the window you click on. |
| 109 | This must be bound to a mouse click." |
| 110 | (interactive "e") |
| 111 | (mouse-minibuffer-check click) |
| 112 | (delete-window (posn-window (event-start click)))) |
| 113 | |
| 114 | (defun mouse-select-window (click) |
| 115 | "Select the window clicked on; don't move point." |
| 116 | (interactive "e") |
| 117 | (mouse-minibuffer-check click) |
| 118 | (let ((oframe (selected-frame)) |
| 119 | (frame (window-frame (posn-window (event-start click))))) |
| 120 | (select-window (posn-window (event-start click))) |
| 121 | (raise-frame frame) |
| 122 | (select-frame frame) |
| 123 | (or (eq frame oframe) |
| 124 | (set-mouse-position (selected-frame) (1- (frame-width)) 0)) |
| 125 | (unfocus-frame))) |
| 126 | |
| 127 | (defun mouse-tear-off-window (click) |
| 128 | "Delete the window clicked on, and create a new frame displaying its buffer." |
| 129 | (interactive "e") |
| 130 | (mouse-minibuffer-check click) |
| 131 | (let* ((window (posn-window (event-start click))) |
| 132 | (buf (window-buffer window)) |
| 133 | (frame (make-frame))) |
| 134 | (select-frame frame) |
| 135 | (switch-to-buffer buf) |
| 136 | (delete-window window))) |
| 137 | |
| 138 | (defun mouse-delete-other-windows () |
| 139 | "Delete all window except the one you click on." |
| 140 | (interactive "@") |
| 141 | (delete-other-windows)) |
| 142 | |
| 143 | (defun mouse-split-window-vertically (click) |
| 144 | "Select Emacs window mouse is on, then split it vertically in half. |
| 145 | The window is split at the line clicked on. |
| 146 | This command must be bound to a mouse click." |
| 147 | (interactive "@e") |
| 148 | (mouse-minibuffer-check click) |
| 149 | (let ((start (event-start click))) |
| 150 | (select-window (posn-window start)) |
| 151 | (let ((new-height (1+ (cdr (posn-col-row (event-end click))))) |
| 152 | (first-line window-min-height) |
| 153 | (last-line (- (window-height) window-min-height))) |
| 154 | (if (< last-line first-line) |
| 155 | (error "Window too short to split") |
| 156 | (split-window-vertically |
| 157 | (min (max new-height first-line) last-line)))))) |
| 158 | |
| 159 | (defun mouse-split-window-horizontally (click) |
| 160 | "Select Emacs window mouse is on, then split it horizontally in half. |
| 161 | The window is split at the column clicked on. |
| 162 | This command must be bound to a mouse click." |
| 163 | (interactive "@e") |
| 164 | (mouse-minibuffer-check click) |
| 165 | (let ((start (event-start click))) |
| 166 | (select-window (posn-window start)) |
| 167 | (let ((new-width (1+ (car (posn-col-row (event-end click))))) |
| 168 | (first-col window-min-width) |
| 169 | (last-col (- (window-width) window-min-width))) |
| 170 | (if (< last-col first-col) |
| 171 | (error "Window too narrow to split") |
| 172 | (split-window-horizontally |
| 173 | (min (max new-width first-col) last-col)))))) |
| 174 | |
| 175 | (defun mouse-drag-mode-line (start-event) |
| 176 | "Change the height of a window by dragging on the mode line." |
| 177 | (interactive "e") |
| 178 | ;; Give temporary modes such as isearch a chance to turn off. |
| 179 | (run-hooks 'mouse-leave-buffer-hook) |
| 180 | (let ((done nil) |
| 181 | (echo-keystrokes 0) |
| 182 | (start-event-frame (window-frame (car (car (cdr start-event))))) |
| 183 | (start-event-window (car (car (cdr start-event)))) |
| 184 | (start-nwindows (count-windows t)) |
| 185 | (old-selected-window (selected-window)) |
| 186 | should-enlarge-minibuffer |
| 187 | event mouse minibuffer y top bot edges wconfig params growth) |
| 188 | (setq params (frame-parameters)) |
| 189 | (if (and (not (setq minibuffer (cdr (assq 'minibuffer params)))) |
| 190 | (one-window-p t)) |
| 191 | (error "Attempt to resize sole window")) |
| 192 | (track-mouse |
| 193 | (progn |
| 194 | ;; enlarge-window only works on the selected window, so |
| 195 | ;; we must select the window where the start event originated. |
| 196 | ;; unwind-protect will restore the old selected window later. |
| 197 | (select-window start-event-window) |
| 198 | ;; if this is the bottommost ordinary window, then to |
| 199 | ;; move its modeline the minibuffer must be enlarged. |
| 200 | (setq should-enlarge-minibuffer |
| 201 | (and minibuffer |
| 202 | (not (one-window-p t)) |
| 203 | (= (nth 1 (window-edges minibuffer)) |
| 204 | (nth 3 (window-edges))))) |
| 205 | ;; loop reading events and sampling the position of |
| 206 | ;; the mouse. |
| 207 | (while (not done) |
| 208 | (setq event (read-event) |
| 209 | mouse (mouse-position)) |
| 210 | ;; do nothing if |
| 211 | ;; - there is a switch-frame event. |
| 212 | ;; - the mouse isn't in the frame that we started in |
| 213 | ;; - the mouse isn't in any Emacs frame |
| 214 | ;; drag if |
| 215 | ;; - there is a mouse-movement event |
| 216 | ;; - there is a scroll-bar-movement event |
| 217 | ;; (same as mouse movement for our purposes) |
| 218 | ;; quit if |
| 219 | ;; - there is a keyboard event or some other unknown event |
| 220 | ;; unknown event. |
| 221 | (cond ((integerp event) |
| 222 | (setq done t)) |
| 223 | ((eq (car event) 'switch-frame) |
| 224 | nil) |
| 225 | ((not (memq (car event) |
| 226 | '(mouse-movement scroll-bar-movement))) |
| 227 | (if (consp event) |
| 228 | (setq unread-command-events |
| 229 | (cons event unread-command-events))) |
| 230 | (setq done t)) |
| 231 | ((not (eq (car mouse) start-event-frame)) |
| 232 | nil) |
| 233 | ((null (car (cdr mouse))) |
| 234 | nil) |
| 235 | (t |
| 236 | (setq y (cdr (cdr mouse)) |
| 237 | edges (window-edges) |
| 238 | top (nth 1 edges) |
| 239 | bot (nth 3 edges)) |
| 240 | ;; scale back a move that would make the |
| 241 | ;; window too short. |
| 242 | (cond ((< (- y top -1) window-min-height) |
| 243 | (setq y (+ top window-min-height -1)))) |
| 244 | ;; compute size change needed |
| 245 | (setq growth (- y bot -1) |
| 246 | wconfig (current-window-configuration)) |
| 247 | ;; grow/shrink minibuffer? |
| 248 | (if should-enlarge-minibuffer |
| 249 | (progn |
| 250 | ;; yes. briefly select minibuffer so |
| 251 | ;; enlarge-window will affect the |
| 252 | ;; correct window. |
| 253 | (select-window minibuffer) |
| 254 | ;; scale back shrinkage if it would |
| 255 | ;; make the minibuffer less than 1 |
| 256 | ;; line tall. |
| 257 | (if (and (> growth 0) |
| 258 | (< (- (window-height minibuffer) |
| 259 | growth) |
| 260 | 1)) |
| 261 | (setq growth (1- (window-height minibuffer)))) |
| 262 | (enlarge-window (- growth)) |
| 263 | (select-window start-event-window)) |
| 264 | ;; no. grow/shrink the selected window |
| 265 | (enlarge-window growth)) |
| 266 | ;; if this window's growth caused another |
| 267 | ;; window to be deleted because it was too |
| 268 | ;; short, rescind the change. |
| 269 | ;; |
| 270 | ;; if size change caused space to be stolen |
| 271 | ;; from a window above this one, rescind the |
| 272 | ;; change, but only if we didn't grow/srhink |
| 273 | ;; the minibuffer. minibuffer size changes |
| 274 | ;; can cause all windows to shrink... no way |
| 275 | ;; around it. |
| 276 | (if (or (/= start-nwindows (count-windows t)) |
| 277 | (and (not should-enlarge-minibuffer) |
| 278 | (/= top (nth 1 (window-edges))))) |
| 279 | (set-window-configuration wconfig))))))))) |
| 280 | \f |
| 281 | (defun mouse-set-point (event) |
| 282 | "Move point to the position clicked on with the mouse. |
| 283 | This should be bound to a mouse click event type." |
| 284 | (interactive "e") |
| 285 | (mouse-minibuffer-check event) |
| 286 | ;; Use event-end in case called from mouse-drag-region. |
| 287 | ;; If EVENT is a click, event-end and event-start give same value. |
| 288 | (let ((posn (event-end event))) |
| 289 | (if (not (windowp (posn-window posn))) |
| 290 | (error "Cursor not in text area of window")) |
| 291 | (select-window (posn-window posn)) |
| 292 | (if (numberp (posn-point posn)) |
| 293 | (goto-char (posn-point posn))))) |
| 294 | |
| 295 | (defvar mouse-last-region-beg nil) |
| 296 | (defvar mouse-last-region-end nil) |
| 297 | (defvar mouse-last-region-tick nil) |
| 298 | |
| 299 | (defun mouse-region-match () |
| 300 | "Return non-nil if there's an active region that was set with the mouse." |
| 301 | (and (mark t) mark-active |
| 302 | (eq mouse-last-region-beg (region-beginning)) |
| 303 | (eq mouse-last-region-end (region-end)) |
| 304 | (eq mouse-last-region-tick (buffer-modified-tick)))) |
| 305 | |
| 306 | (defun mouse-set-region (click) |
| 307 | "Set the region to the text dragged over, and copy to kill ring. |
| 308 | This should be bound to a mouse drag event." |
| 309 | (interactive "e") |
| 310 | (mouse-minibuffer-check click) |
| 311 | (let ((posn (event-start click)) |
| 312 | (end (event-end click))) |
| 313 | (select-window (posn-window posn)) |
| 314 | (if (numberp (posn-point posn)) |
| 315 | (goto-char (posn-point posn))) |
| 316 | ;; If mark is highlighted, no need to bounce the cursor. |
| 317 | (or (and transient-mark-mode |
| 318 | (framep (selected-frame))) |
| 319 | (sit-for 1)) |
| 320 | (push-mark) |
| 321 | (set-mark (point)) |
| 322 | (if (numberp (posn-point end)) |
| 323 | (goto-char (posn-point end))) |
| 324 | ;; Don't set this-command to kill-region, so that a following |
| 325 | ;; C-w will not double the text in the kill ring. |
| 326 | (let (this-command) |
| 327 | (copy-region-as-kill (mark) (point))) |
| 328 | (mouse-set-region-1))) |
| 329 | |
| 330 | (defun mouse-set-region-1 () |
| 331 | (setq mouse-last-region-beg (region-beginning)) |
| 332 | (setq mouse-last-region-end (region-end)) |
| 333 | (setq mouse-last-region-tick (buffer-modified-tick))) |
| 334 | |
| 335 | (defvar mouse-scroll-delay 0.25 |
| 336 | "*The pause between scroll steps caused by mouse drags, in seconds. |
| 337 | If you drag the mouse beyond the edge of a window, Emacs scrolls the |
| 338 | window to bring the text beyond that edge into view, with a delay of |
| 339 | this many seconds between scroll steps. Scrolling stops when you move |
| 340 | the mouse back into the window, or release the button. |
| 341 | This variable's value may be non-integral. |
| 342 | Setting this to zero causes Emacs to scroll as fast as it can.") |
| 343 | |
| 344 | (defun mouse-scroll-subr (window jump &optional overlay start) |
| 345 | "Scroll the window WINDOW, JUMP lines at a time, until new input arrives. |
| 346 | If OVERLAY is an overlay, let it stretch from START to the far edge of |
| 347 | the newly visible text. |
| 348 | Upon exit, point is at the far edge of the newly visible text." |
| 349 | (let ((opoint (point))) |
| 350 | (while (progn |
| 351 | (goto-char (window-start window)) |
| 352 | (if (not (zerop (vertical-motion jump window))) |
| 353 | (progn |
| 354 | (set-window-start window (point)) |
| 355 | (if (natnump jump) |
| 356 | (progn |
| 357 | (goto-char (window-end window)) |
| 358 | ;; window-end doesn't reflect the window's new |
| 359 | ;; start position until the next redisplay. Hurrah. |
| 360 | (vertical-motion (1- jump) window)) |
| 361 | (goto-char (window-start window))) |
| 362 | (if overlay |
| 363 | (move-overlay overlay start (point))) |
| 364 | ;; Now that we have scrolled WINDOW properly, |
| 365 | ;; put point back where it was for the redisplay |
| 366 | ;; so that we don't mess up the selected window. |
| 367 | (or (eq window (selected-window)) |
| 368 | (goto-char opoint)) |
| 369 | (sit-for mouse-scroll-delay))))) |
| 370 | (or (eq window (selected-window)) |
| 371 | (goto-char opoint)))) |
| 372 | |
| 373 | (defvar mouse-drag-overlay (make-overlay 1 1)) |
| 374 | (overlay-put mouse-drag-overlay 'face 'region) |
| 375 | |
| 376 | (defvar mouse-selection-click-count 0) |
| 377 | |
| 378 | (defun mouse-drag-region (start-event) |
| 379 | "Set the region to the text that the mouse is dragged over. |
| 380 | Highlight the drag area as you move the mouse. |
| 381 | This must be bound to a button-down mouse event. |
| 382 | In Transient Mark mode, the highlighting remains once you |
| 383 | release the mouse button. Otherwise, it does not." |
| 384 | (interactive "e") |
| 385 | (mouse-minibuffer-check start-event) |
| 386 | (let* ((start-posn (event-start start-event)) |
| 387 | (start-point (posn-point start-posn)) |
| 388 | (start-window (posn-window start-posn)) |
| 389 | (start-frame (window-frame start-window)) |
| 390 | (bounds (window-edges start-window)) |
| 391 | (top (nth 1 bounds)) |
| 392 | (bottom (if (window-minibuffer-p start-window) |
| 393 | (nth 3 bounds) |
| 394 | ;; Don't count the mode line. |
| 395 | (1- (nth 3 bounds)))) |
| 396 | (click-count (1- (event-click-count start-event)))) |
| 397 | (setq mouse-selection-click-count click-count) |
| 398 | (mouse-set-point start-event) |
| 399 | (let ((range (mouse-start-end start-point start-point click-count))) |
| 400 | (move-overlay mouse-drag-overlay (car range) (nth 1 range) |
| 401 | (window-buffer start-window))) |
| 402 | (deactivate-mark) |
| 403 | (let (event end end-point) |
| 404 | (track-mouse |
| 405 | (while (progn |
| 406 | (setq event (read-event)) |
| 407 | (or (mouse-movement-p event) |
| 408 | (eq (car-safe event) 'switch-frame))) |
| 409 | (if (eq (car-safe event) 'switch-frame) |
| 410 | nil |
| 411 | (setq end (event-end event) |
| 412 | end-point (posn-point end)) |
| 413 | |
| 414 | (cond |
| 415 | ;; Are we moving within the original window? |
| 416 | ((and (eq (posn-window end) start-window) |
| 417 | (integer-or-marker-p end-point)) |
| 418 | (goto-char end-point) |
| 419 | (let ((range (mouse-start-end start-point (point) click-count))) |
| 420 | (move-overlay mouse-drag-overlay (car range) (nth 1 range)))) |
| 421 | |
| 422 | (t |
| 423 | (let ((mouse-row (cdr (cdr (mouse-position))))) |
| 424 | (cond |
| 425 | ((null mouse-row)) |
| 426 | ((< mouse-row top) |
| 427 | (mouse-scroll-subr start-window (- mouse-row top) |
| 428 | mouse-drag-overlay start-point)) |
| 429 | ((>= mouse-row bottom) |
| 430 | (mouse-scroll-subr start-window (1+ (- mouse-row bottom)) |
| 431 | mouse-drag-overlay start-point))))))))) |
| 432 | (if (consp event) |
| 433 | (let ((fun (key-binding (vector (car event))))) |
| 434 | ;; Run the binding of the terminating up-event, if possible. |
| 435 | ;; In the case of a multiple click, it gives the wrong results, |
| 436 | ;; because it would fail to set up a region. |
| 437 | (if (and (= (mod mouse-selection-click-count 3) 0) (fboundp fun)) |
| 438 | (progn |
| 439 | (setq this-command fun) |
| 440 | ;; Delete the overlay before calling the function, |
| 441 | ;; because delete-overlay increases buffer-modified-tick. |
| 442 | (delete-overlay mouse-drag-overlay) |
| 443 | (funcall fun event)) |
| 444 | (if (not (= (overlay-start mouse-drag-overlay) |
| 445 | (overlay-end mouse-drag-overlay))) |
| 446 | (let (last-command this-command) |
| 447 | (push-mark (overlay-start mouse-drag-overlay) t t) |
| 448 | (goto-char (overlay-end mouse-drag-overlay)) |
| 449 | (delete-overlay mouse-drag-overlay) |
| 450 | (copy-region-as-kill (point) (mark t)) |
| 451 | (mouse-set-region-1)) |
| 452 | (goto-char (overlay-end mouse-drag-overlay)) |
| 453 | (setq this-command 'mouse-set-point) |
| 454 | (delete-overlay mouse-drag-overlay)))) |
| 455 | (delete-overlay mouse-drag-overlay))))) |
| 456 | \f |
| 457 | ;; Commands to handle xterm-style multiple clicks. |
| 458 | |
| 459 | (defun mouse-skip-word (dir) |
| 460 | "Skip over word, over whitespace, or over identical punctuation. |
| 461 | If DIR is positive skip forward; if negative, skip backward." |
| 462 | (let* ((char (following-char)) |
| 463 | (syntax (char-to-string (char-syntax char)))) |
| 464 | (if (or (string= syntax "w") (string= syntax " ")) |
| 465 | (if (< dir 0) |
| 466 | (skip-syntax-backward syntax) |
| 467 | (skip-syntax-forward syntax)) |
| 468 | (if (< dir 0) |
| 469 | (while (and (not (bobp)) (= (preceding-char) char)) |
| 470 | (forward-char -1)) |
| 471 | (while (and (not (eobp)) (= (following-char) char)) |
| 472 | (forward-char 1)))))) |
| 473 | |
| 474 | ;; Return a list of region bounds based on START and END according to MODE. |
| 475 | ;; If MODE is 0 then set point to (min START END), mark to (max START END). |
| 476 | ;; If MODE is 1 then set point to start of word at (min START END), |
| 477 | ;; mark to end of word at (max START END). |
| 478 | ;; If MODE is 2 then do the same for lines. |
| 479 | (defun mouse-start-end (start end mode) |
| 480 | (if (> start end) |
| 481 | (let ((temp start)) |
| 482 | (setq start end |
| 483 | end temp))) |
| 484 | (setq mode (mod mode 3)) |
| 485 | (cond ((= mode 0) |
| 486 | (list start end)) |
| 487 | ((and (= mode 1) |
| 488 | (= start end) |
| 489 | (char-after start) |
| 490 | (= (char-syntax (char-after start)) ?\()) |
| 491 | (list start |
| 492 | (save-excursion |
| 493 | (goto-char start) |
| 494 | (forward-sexp 1) |
| 495 | (point)))) |
| 496 | ((and (= mode 1) |
| 497 | (= start end) |
| 498 | (char-after start) |
| 499 | (= (char-syntax (char-after start)) ?\))) |
| 500 | (list (save-excursion |
| 501 | (goto-char (1+ start)) |
| 502 | (backward-sexp 1) |
| 503 | (point)) |
| 504 | (1+ start))) |
| 505 | ((= mode 1) |
| 506 | (list (save-excursion |
| 507 | (goto-char start) |
| 508 | (mouse-skip-word -1) |
| 509 | (point)) |
| 510 | (save-excursion |
| 511 | (goto-char end) |
| 512 | (mouse-skip-word 1) |
| 513 | (point)))) |
| 514 | ((= mode 2) |
| 515 | (list (save-excursion |
| 516 | (goto-char start) |
| 517 | (beginning-of-line 1) |
| 518 | (point)) |
| 519 | (save-excursion |
| 520 | (goto-char end) |
| 521 | (forward-line 1) |
| 522 | (point)))))) |
| 523 | \f |
| 524 | ;; Subroutine: set the mark where CLICK happened, |
| 525 | ;; but don't do anything else. |
| 526 | (defun mouse-set-mark-fast (click) |
| 527 | (mouse-minibuffer-check click) |
| 528 | (let ((posn (event-start click))) |
| 529 | (select-window (posn-window posn)) |
| 530 | (if (numberp (posn-point posn)) |
| 531 | (push-mark (posn-point posn) t t)))) |
| 532 | |
| 533 | ;; Momentarily show where the mark is, if highlighting doesn't show it. |
| 534 | (defun mouse-show-mark () |
| 535 | (or transient-mark-mode |
| 536 | (save-excursion |
| 537 | (goto-char (mark t)) |
| 538 | (sit-for 1)))) |
| 539 | |
| 540 | (defun mouse-set-mark (click) |
| 541 | "Set mark at the position clicked on with the mouse. |
| 542 | Display cursor at that position for a second. |
| 543 | This must be bound to a mouse click." |
| 544 | (interactive "e") |
| 545 | (mouse-minibuffer-check click) |
| 546 | (select-window (posn-window (event-start click))) |
| 547 | ;; We don't use save-excursion because that preserves the mark too. |
| 548 | (let ((point-save (point))) |
| 549 | (unwind-protect |
| 550 | (progn (mouse-set-point click) |
| 551 | (push-mark nil t t) |
| 552 | (or transient-mark-mode |
| 553 | (sit-for 1))) |
| 554 | (goto-char point-save)))) |
| 555 | |
| 556 | (defun mouse-kill (click) |
| 557 | "Kill the region between point and the mouse click. |
| 558 | The text is saved in the kill ring, as with \\[kill-region]." |
| 559 | (interactive "e") |
| 560 | (mouse-minibuffer-check click) |
| 561 | (let* ((posn (event-start click)) |
| 562 | (click-posn (posn-point posn))) |
| 563 | (select-window (posn-window posn)) |
| 564 | (if (numberp click-posn) |
| 565 | (kill-region (min (point) click-posn) |
| 566 | (max (point) click-posn))))) |
| 567 | |
| 568 | (defun mouse-yank-at-click (click arg) |
| 569 | "Insert the last stretch of killed text at the position clicked on. |
| 570 | Also move point to one end of the text thus inserted (normally the end). |
| 571 | Prefix arguments are interpreted as with \\[yank]. |
| 572 | If `mouse-yank-at-point' is non-nil, insert at point |
| 573 | regardless of where you click." |
| 574 | (interactive "e\nP") |
| 575 | ;; Give temporary modes such as isearch a chance to turn off. |
| 576 | (run-hooks 'mouse-leave-buffer-hook) |
| 577 | (or mouse-yank-at-point (mouse-set-point click)) |
| 578 | (setq this-command 'yank) |
| 579 | (yank arg)) |
| 580 | |
| 581 | (defun mouse-kill-ring-save (click) |
| 582 | "Copy the region between point and the mouse click in the kill ring. |
| 583 | This does not delete the region; it acts like \\[kill-ring-save]." |
| 584 | (interactive "e") |
| 585 | (mouse-set-mark-fast click) |
| 586 | (let (this-command last-command) |
| 587 | (kill-ring-save (point) (mark t))) |
| 588 | (mouse-show-mark)) |
| 589 | |
| 590 | ;;; This function used to delete the text between point and the mouse |
| 591 | ;;; whenever it was equal to the front of the kill ring, but some |
| 592 | ;;; people found that confusing. |
| 593 | |
| 594 | ;;; A list (TEXT START END), describing the text and position of the last |
| 595 | ;;; invocation of mouse-save-then-kill. |
| 596 | (defvar mouse-save-then-kill-posn nil) |
| 597 | |
| 598 | (defun mouse-save-then-kill-delete-region (beg end) |
| 599 | ;; We must make our own undo boundaries |
| 600 | ;; because they happen automatically only for the current buffer. |
| 601 | (undo-boundary) |
| 602 | (if (or (= beg end) (eq buffer-undo-list t)) |
| 603 | ;; If we have no undo list in this buffer, |
| 604 | ;; just delete. |
| 605 | (delete-region beg end) |
| 606 | ;; Delete, but make the undo-list entry share with the kill ring. |
| 607 | ;; First, delete just one char, so in case buffer is being modified |
| 608 | ;; for the first time, the undo list records that fact. |
| 609 | (let (before-change-function after-change-function |
| 610 | before-change-functions after-change-functions) |
| 611 | (delete-region beg |
| 612 | (+ beg (if (> end beg) 1 -1)))) |
| 613 | (let ((buffer-undo-list buffer-undo-list)) |
| 614 | ;; Undo that deletion--but don't change the undo list! |
| 615 | (let (before-change-function after-change-function |
| 616 | before-change-functions after-change-functions) |
| 617 | (primitive-undo 1 buffer-undo-list)) |
| 618 | ;; Now delete the rest of the specified region, |
| 619 | ;; but don't record it. |
| 620 | (setq buffer-undo-list t) |
| 621 | (if (/= (length (car kill-ring)) (- (max end beg) (min end beg))) |
| 622 | (error "Lossage in mouse-save-then-kill-delete-region")) |
| 623 | (delete-region beg end)) |
| 624 | (let ((tail buffer-undo-list)) |
| 625 | ;; Search back in buffer-undo-list for the string |
| 626 | ;; that came from deleting one character. |
| 627 | (while (and tail (not (stringp (car (car tail))))) |
| 628 | (setq tail (cdr tail))) |
| 629 | ;; Replace it with an entry for the entire deleted text. |
| 630 | (and tail |
| 631 | (setcar tail (cons (car kill-ring) (min beg end)))))) |
| 632 | (undo-boundary)) |
| 633 | |
| 634 | (defun mouse-save-then-kill (click) |
| 635 | "Save text to point in kill ring; the second time, kill the text. |
| 636 | If the text between point and the mouse is the same as what's |
| 637 | at the front of the kill ring, this deletes the text. |
| 638 | Otherwise, it adds the text to the kill ring, like \\[kill-ring-save], |
| 639 | which prepares for a second click to delete the text. |
| 640 | |
| 641 | If you have selected words or lines, this command extends the |
| 642 | selection through the word or line clicked on. If you do this |
| 643 | again in a different position, it extends the selection again. |
| 644 | If you do this twice in the same position, the selection is killed." |
| 645 | (interactive "e") |
| 646 | (let ((before-scroll point-before-scroll)) |
| 647 | (mouse-minibuffer-check click) |
| 648 | (let ((click-posn (posn-point (event-start click))) |
| 649 | ;; Don't let a subsequent kill command append to this one: |
| 650 | ;; prevent setting this-command to kill-region. |
| 651 | (this-command this-command)) |
| 652 | (if (and (mark t) (> (mod mouse-selection-click-count 3) 0)) |
| 653 | (if (not (and (eq last-command 'mouse-save-then-kill) |
| 654 | (equal click-posn |
| 655 | (car (cdr-safe (cdr-safe mouse-save-then-kill-posn)))))) |
| 656 | ;; Find both ends of the object selected by this click. |
| 657 | (let* ((range |
| 658 | (mouse-start-end click-posn click-posn |
| 659 | mouse-selection-click-count))) |
| 660 | ;; Move whichever end is closer to the click. |
| 661 | ;; That's what xterm does, and it seems reasonable. |
| 662 | (if (< (abs (- click-posn (mark t))) |
| 663 | (abs (- click-posn (point)))) |
| 664 | (set-mark (car range)) |
| 665 | (goto-char (nth 1 range))) |
| 666 | ;; We have already put the old region in the kill ring. |
| 667 | ;; Replace it with the extended region. |
| 668 | ;; (It would be annoying to make a separate entry.) |
| 669 | (kill-new (buffer-substring (point) (mark t)) t) |
| 670 | (mouse-set-region-1) |
| 671 | ;; Arrange for a repeated mouse-3 to kill this region. |
| 672 | (setq mouse-save-then-kill-posn |
| 673 | (list (car kill-ring) (point) click-posn)) |
| 674 | (mouse-show-mark)) |
| 675 | ;; If we click this button again without moving it, |
| 676 | ;; that time kill. |
| 677 | (mouse-save-then-kill-delete-region (point) (mark)) |
| 678 | (setq mouse-selection-click-count 0) |
| 679 | (setq mouse-save-then-kill-posn nil)) |
| 680 | (if (and (eq last-command 'mouse-save-then-kill) |
| 681 | mouse-save-then-kill-posn |
| 682 | (eq (car mouse-save-then-kill-posn) (car kill-ring)) |
| 683 | (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn))) |
| 684 | ;; If this is the second time we've called |
| 685 | ;; mouse-save-then-kill, delete the text from the buffer. |
| 686 | (progn |
| 687 | (mouse-save-then-kill-delete-region (point) (mark)) |
| 688 | ;; After we kill, another click counts as "the first time". |
| 689 | (setq mouse-save-then-kill-posn nil)) |
| 690 | (if (or (and (eq last-command 'mouse-save-then-kill) |
| 691 | mouse-save-then-kill-posn) |
| 692 | (and mark-active transient-mark-mode) |
| 693 | (and (memq last-command |
| 694 | '(mouse-drag-region mouse-set-region)) |
| 695 | (or mark-even-if-inactive |
| 696 | (not transient-mark-mode)))) |
| 697 | ;; We have a selection or suitable region, so adjust it. |
| 698 | (let* ((posn (event-start click)) |
| 699 | (new (posn-point posn))) |
| 700 | (select-window (posn-window posn)) |
| 701 | (if (numberp new) |
| 702 | (progn |
| 703 | ;; Move whichever end of the region is closer to the click. |
| 704 | ;; That is what xterm does, and it seems reasonable. |
| 705 | (if (< (abs (- new (point))) (abs (- new (mark t)))) |
| 706 | (goto-char new) |
| 707 | (set-mark new)) |
| 708 | (setq deactivate-mark nil))) |
| 709 | (kill-new (buffer-substring (point) (mark t)) t)) |
| 710 | ;; Set the mark where point is, then move where clicked. |
| 711 | (mouse-set-mark-fast click) |
| 712 | (if before-scroll |
| 713 | (goto-char before-scroll)) |
| 714 | (exchange-point-and-mark) |
| 715 | (kill-ring-save (point) (mark t))) |
| 716 | (mouse-show-mark) |
| 717 | (mouse-set-region-1) |
| 718 | (setq mouse-save-then-kill-posn |
| 719 | (list (car kill-ring) (point) click-posn))))))) |
| 720 | \f |
| 721 | (global-set-key [M-mouse-1] 'mouse-start-secondary) |
| 722 | (global-set-key [M-drag-mouse-1] 'mouse-set-secondary) |
| 723 | (global-set-key [M-down-mouse-1] 'mouse-drag-secondary) |
| 724 | (global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill) |
| 725 | (global-set-key [M-mouse-2] 'mouse-yank-secondary) |
| 726 | |
| 727 | ;; An overlay which records the current secondary selection |
| 728 | ;; or else is deleted when there is no secondary selection. |
| 729 | ;; May be nil. |
| 730 | (defvar mouse-secondary-overlay nil) |
| 731 | |
| 732 | (defvar mouse-secondary-click-count 0) |
| 733 | |
| 734 | ;; A marker which records the specified first end for a secondary selection. |
| 735 | ;; May be nil. |
| 736 | (defvar mouse-secondary-start nil) |
| 737 | |
| 738 | (defun mouse-start-secondary (click) |
| 739 | "Set one end of the secondary selection to the position clicked on. |
| 740 | Use \\[mouse-secondary-save-then-kill] to set the other end |
| 741 | and complete the secondary selection." |
| 742 | (interactive "e") |
| 743 | (mouse-minibuffer-check click) |
| 744 | (let ((posn (event-start click))) |
| 745 | (save-excursion |
| 746 | (set-buffer (window-buffer (posn-window posn))) |
| 747 | ;; Cancel any preexisting secondary selection. |
| 748 | (if mouse-secondary-overlay |
| 749 | (delete-overlay mouse-secondary-overlay)) |
| 750 | (if (numberp (posn-point posn)) |
| 751 | (progn |
| 752 | (or mouse-secondary-start |
| 753 | (setq mouse-secondary-start (make-marker))) |
| 754 | (move-marker mouse-secondary-start (posn-point posn))))))) |
| 755 | |
| 756 | (defun mouse-set-secondary (click) |
| 757 | "Set the secondary selection to the text that the mouse is dragged over. |
| 758 | This must be bound to a mouse drag event." |
| 759 | (interactive "e") |
| 760 | (mouse-minibuffer-check click) |
| 761 | (let ((posn (event-start click)) |
| 762 | beg |
| 763 | (end (event-end click))) |
| 764 | (save-excursion |
| 765 | (set-buffer (window-buffer (posn-window posn))) |
| 766 | (if (numberp (posn-point posn)) |
| 767 | (setq beg (posn-point posn))) |
| 768 | (if mouse-secondary-overlay |
| 769 | (move-overlay mouse-secondary-overlay beg (posn-point end)) |
| 770 | (setq mouse-secondary-overlay (make-overlay beg (posn-point end)))) |
| 771 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection)))) |
| 772 | |
| 773 | (defun mouse-drag-secondary (start-event) |
| 774 | "Set the secondary selection to the text that the mouse is dragged over. |
| 775 | Highlight the drag area as you move the mouse. |
| 776 | This must be bound to a button-down mouse event." |
| 777 | (interactive "e") |
| 778 | (mouse-minibuffer-check start-event) |
| 779 | (let* ((start-posn (event-start start-event)) |
| 780 | (start-point (posn-point start-posn)) |
| 781 | (start-window (posn-window start-posn)) |
| 782 | (start-frame (window-frame start-window)) |
| 783 | (bounds (window-edges start-window)) |
| 784 | (top (nth 1 bounds)) |
| 785 | (bottom (if (window-minibuffer-p start-window) |
| 786 | (nth 3 bounds) |
| 787 | ;; Don't count the mode line. |
| 788 | (1- (nth 3 bounds)))) |
| 789 | (click-count (1- (event-click-count start-event)))) |
| 790 | (save-excursion |
| 791 | (set-buffer (window-buffer start-window)) |
| 792 | (setq mouse-secondary-click-count click-count) |
| 793 | (or mouse-secondary-overlay |
| 794 | (setq mouse-secondary-overlay |
| 795 | (make-overlay (point) (point)))) |
| 796 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection) |
| 797 | (if (> (mod click-count 3) 0) |
| 798 | ;; Double or triple press: make an initial selection |
| 799 | ;; of one word or line. |
| 800 | (let ((range (mouse-start-end start-point start-point click-count))) |
| 801 | (set-marker mouse-secondary-start nil) |
| 802 | (move-overlay mouse-secondary-overlay 1 1 |
| 803 | (window-buffer start-window)) |
| 804 | (move-overlay mouse-secondary-overlay (car range) (nth 1 range) |
| 805 | (window-buffer start-window))) |
| 806 | ;; Single-press: cancel any preexisting secondary selection. |
| 807 | (or mouse-secondary-start |
| 808 | (setq mouse-secondary-start (make-marker))) |
| 809 | (set-marker mouse-secondary-start start-point) |
| 810 | (delete-overlay mouse-secondary-overlay)) |
| 811 | (let (event end end-point) |
| 812 | (track-mouse |
| 813 | (while (progn |
| 814 | (setq event (read-event)) |
| 815 | (or (mouse-movement-p event) |
| 816 | (eq (car-safe event) 'switch-frame))) |
| 817 | |
| 818 | (if (eq (car-safe event) 'switch-frame) |
| 819 | nil |
| 820 | (setq end (event-end event) |
| 821 | end-point (posn-point end)) |
| 822 | (cond |
| 823 | ;; Are we moving within the original window? |
| 824 | ((and (eq (posn-window end) start-window) |
| 825 | (integer-or-marker-p end-point)) |
| 826 | (let ((range (mouse-start-end start-point end-point |
| 827 | click-count))) |
| 828 | (if (or (/= start-point end-point) |
| 829 | (null (marker-position mouse-secondary-start))) |
| 830 | (progn |
| 831 | (set-marker mouse-secondary-start nil) |
| 832 | (move-overlay mouse-secondary-overlay |
| 833 | (car range) (nth 1 range)))))) |
| 834 | (t |
| 835 | (let ((mouse-row (cdr (cdr (mouse-position))))) |
| 836 | (cond |
| 837 | ((null mouse-row)) |
| 838 | ((< mouse-row top) |
| 839 | (mouse-scroll-subr start-window (- mouse-row top) |
| 840 | mouse-secondary-overlay start-point)) |
| 841 | ((>= mouse-row bottom) |
| 842 | (mouse-scroll-subr start-window (1+ (- mouse-row bottom)) |
| 843 | mouse-secondary-overlay start-point))))))))) |
| 844 | |
| 845 | (if (consp event) |
| 846 | ;;; (eq (get (event-basic-type event) 'event-kind) 'mouse-click) |
| 847 | ;;; (eq (posn-window (event-end event)) start-window) |
| 848 | ;;; (numberp (posn-point (event-end event))) |
| 849 | (if (marker-position mouse-secondary-start) |
| 850 | (save-window-excursion |
| 851 | (delete-overlay mouse-secondary-overlay) |
| 852 | (x-set-selection 'SECONDARY nil) |
| 853 | (select-window start-window) |
| 854 | (save-excursion |
| 855 | (goto-char mouse-secondary-start) |
| 856 | (sit-for 1))) |
| 857 | (x-set-selection |
| 858 | 'SECONDARY |
| 859 | (buffer-substring (overlay-start mouse-secondary-overlay) |
| 860 | (overlay-end mouse-secondary-overlay))))))))) |
| 861 | |
| 862 | (defun mouse-yank-secondary (click) |
| 863 | "Insert the secondary selection at the position clicked on. |
| 864 | Move point to the end of the inserted text. |
| 865 | If `mouse-yank-at-point' is non-nil, insert at point |
| 866 | regardless of where you click." |
| 867 | (interactive "e") |
| 868 | ;; Give temporary modes such as isearch a chance to turn off. |
| 869 | (run-hooks 'mouse-leave-buffer-hook) |
| 870 | (or mouse-yank-at-point (mouse-set-point click)) |
| 871 | (insert (x-get-selection 'SECONDARY))) |
| 872 | |
| 873 | (defun mouse-kill-secondary () |
| 874 | "Kill the text in the secondary selection. |
| 875 | This is intended more as a keyboard command than as a mouse command |
| 876 | but it can work as either one. |
| 877 | |
| 878 | The current buffer (in case of keyboard use), or the buffer clicked on, |
| 879 | must be the one that the secondary selection is in. This requirement |
| 880 | is to prevent accidents." |
| 881 | (interactive) |
| 882 | (let* ((keys (this-command-keys)) |
| 883 | (click (elt keys (1- (length keys))))) |
| 884 | (or (eq (overlay-buffer mouse-secondary-overlay) |
| 885 | (if (listp click) |
| 886 | (window-buffer (posn-window (event-start click))) |
| 887 | (current-buffer))) |
| 888 | (error "Select or click on the buffer where the secondary selection is"))) |
| 889 | (save-excursion |
| 890 | (set-buffer (overlay-buffer mouse-secondary-overlay)) |
| 891 | (kill-region (overlay-start mouse-secondary-overlay) |
| 892 | (overlay-end mouse-secondary-overlay))) |
| 893 | (delete-overlay mouse-secondary-overlay) |
| 894 | (x-set-selection 'SECONDARY nil) |
| 895 | (setq mouse-secondary-overlay nil)) |
| 896 | |
| 897 | (defun mouse-secondary-save-then-kill (click) |
| 898 | "Save text to point in kill ring; the second time, kill the text. |
| 899 | You must use this in a buffer where you have recently done \\[mouse-start-secondary]. |
| 900 | If the text between where you did \\[mouse-start-secondary] and where |
| 901 | you use this command matches the text at the front of the kill ring, |
| 902 | this command deletes the text. |
| 903 | Otherwise, it adds the text to the kill ring, like \\[kill-ring-save], |
| 904 | which prepares for a second click with this command to delete the text. |
| 905 | |
| 906 | If you have already made a secondary selection in that buffer, |
| 907 | this command extends or retracts the selection to where you click. |
| 908 | If you do this again in a different position, it extends or retracts |
| 909 | again. If you do this twice in the same position, it kills the selection." |
| 910 | (interactive "e") |
| 911 | (mouse-minibuffer-check click) |
| 912 | (let ((posn (event-start click)) |
| 913 | (click-posn (posn-point (event-start click))) |
| 914 | ;; Don't let a subsequent kill command append to this one: |
| 915 | ;; prevent setting this-command to kill-region. |
| 916 | (this-command this-command)) |
| 917 | (or (eq (window-buffer (posn-window posn)) |
| 918 | (or (and mouse-secondary-overlay |
| 919 | (overlay-buffer mouse-secondary-overlay)) |
| 920 | (if mouse-secondary-start |
| 921 | (marker-buffer mouse-secondary-start)))) |
| 922 | (error "Wrong buffer")) |
| 923 | (save-excursion |
| 924 | (set-buffer (window-buffer (posn-window posn))) |
| 925 | (if (> (mod mouse-secondary-click-count 3) 0) |
| 926 | (if (not (and (eq last-command 'mouse-secondary-save-then-kill) |
| 927 | (equal click-posn |
| 928 | (car (cdr-safe (cdr-safe mouse-save-then-kill-posn)))))) |
| 929 | ;; Find both ends of the object selected by this click. |
| 930 | (let* ((range |
| 931 | (mouse-start-end click-posn click-posn |
| 932 | mouse-secondary-click-count))) |
| 933 | ;; Move whichever end is closer to the click. |
| 934 | ;; That's what xterm does, and it seems reasonable. |
| 935 | (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay))) |
| 936 | (abs (- click-posn (overlay-end mouse-secondary-overlay)))) |
| 937 | (move-overlay mouse-secondary-overlay (car range) |
| 938 | (overlay-end mouse-secondary-overlay)) |
| 939 | (move-overlay mouse-secondary-overlay |
| 940 | (overlay-start mouse-secondary-overlay) |
| 941 | (nth 1 range))) |
| 942 | ;; We have already put the old region in the kill ring. |
| 943 | ;; Replace it with the extended region. |
| 944 | ;; (It would be annoying to make a separate entry.) |
| 945 | (kill-new (buffer-substring |
| 946 | (overlay-start mouse-secondary-overlay) |
| 947 | (overlay-end mouse-secondary-overlay)) t) |
| 948 | ;; Arrange for a repeated mouse-3 to kill this region. |
| 949 | (setq mouse-save-then-kill-posn |
| 950 | (list (car kill-ring) (point) click-posn))) |
| 951 | ;; If we click this button again without moving it, |
| 952 | ;; that time kill. |
| 953 | (progn |
| 954 | (mouse-save-then-kill-delete-region |
| 955 | (overlay-start mouse-secondary-overlay) |
| 956 | (overlay-end mouse-secondary-overlay)) |
| 957 | (setq mouse-save-then-kill-posn nil) |
| 958 | (setq mouse-secondary-click-count 0) |
| 959 | (delete-overlay mouse-secondary-overlay))) |
| 960 | (if (and (eq last-command 'mouse-secondary-save-then-kill) |
| 961 | mouse-save-then-kill-posn |
| 962 | (eq (car mouse-save-then-kill-posn) (car kill-ring)) |
| 963 | (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn))) |
| 964 | ;; If this is the second time we've called |
| 965 | ;; mouse-secondary-save-then-kill, delete the text from the buffer. |
| 966 | (progn |
| 967 | (mouse-save-then-kill-delete-region |
| 968 | (overlay-start mouse-secondary-overlay) |
| 969 | (overlay-end mouse-secondary-overlay)) |
| 970 | (setq mouse-save-then-kill-posn nil) |
| 971 | (delete-overlay mouse-secondary-overlay)) |
| 972 | (if (overlay-start mouse-secondary-overlay) |
| 973 | ;; We have a selection, so adjust it. |
| 974 | (progn |
| 975 | (if (numberp click-posn) |
| 976 | (progn |
| 977 | ;; Move whichever end of the region is closer to the click. |
| 978 | ;; That is what xterm does, and it seems reasonable. |
| 979 | (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay))) |
| 980 | (abs (- click-posn (overlay-end mouse-secondary-overlay)))) |
| 981 | (move-overlay mouse-secondary-overlay click-posn |
| 982 | (overlay-end mouse-secondary-overlay)) |
| 983 | (move-overlay mouse-secondary-overlay |
| 984 | (overlay-start mouse-secondary-overlay) |
| 985 | click-posn)) |
| 986 | (setq deactivate-mark nil))) |
| 987 | (if (eq last-command 'mouse-secondary-save-then-kill) |
| 988 | ;; If the front of the kill ring comes from |
| 989 | ;; an immediately previous use of this command, |
| 990 | ;; replace it with the extended region. |
| 991 | ;; (It would be annoying to make a separate entry.) |
| 992 | (kill-new (buffer-substring |
| 993 | (overlay-start mouse-secondary-overlay) |
| 994 | (overlay-end mouse-secondary-overlay)) t) |
| 995 | (copy-region-as-kill (overlay-start mouse-secondary-overlay) |
| 996 | (overlay-end mouse-secondary-overlay)))) |
| 997 | (if mouse-secondary-start |
| 998 | ;; All we have is one end of a selection, |
| 999 | ;; so put the other end here. |
| 1000 | (let ((start (+ 0 mouse-secondary-start))) |
| 1001 | (kill-ring-save start click-posn) |
| 1002 | (if mouse-secondary-overlay |
| 1003 | (move-overlay mouse-secondary-overlay start click-posn) |
| 1004 | (setq mouse-secondary-overlay (make-overlay start click-posn))) |
| 1005 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection)))) |
| 1006 | (setq mouse-save-then-kill-posn |
| 1007 | (list (car kill-ring) (point) click-posn)))) |
| 1008 | (if (overlay-buffer mouse-secondary-overlay) |
| 1009 | (x-set-selection 'SECONDARY |
| 1010 | (buffer-substring |
| 1011 | (overlay-start mouse-secondary-overlay) |
| 1012 | (overlay-end mouse-secondary-overlay))))))) |
| 1013 | \f |
| 1014 | (defun mouse-buffer-menu (event) |
| 1015 | "Pop up a menu of buffers for selection with the mouse. |
| 1016 | This switches buffers in the window that you clicked on, |
| 1017 | and selects that window." |
| 1018 | (interactive "e") |
| 1019 | (mouse-minibuffer-check event) |
| 1020 | (let ((menu |
| 1021 | (list "Buffer Menu" |
| 1022 | (cons "Select Buffer" |
| 1023 | (let ((tail (buffer-list)) |
| 1024 | (maxbuf 0) |
| 1025 | head) |
| 1026 | (while tail |
| 1027 | (or (eq ?\ (aref (buffer-name (car tail)) 0)) |
| 1028 | (setq maxbuf |
| 1029 | (max maxbuf |
| 1030 | (length (buffer-name (car tail)))))) |
| 1031 | (setq tail (cdr tail))) |
| 1032 | (setq tail (buffer-list)) |
| 1033 | (while tail |
| 1034 | (let ((elt (car tail))) |
| 1035 | (if (not (string-match "^ " |
| 1036 | (buffer-name elt))) |
| 1037 | (setq head |
| 1038 | (cons |
| 1039 | (cons |
| 1040 | (format |
| 1041 | (format "%%%ds %%s%%s %%s" maxbuf) |
| 1042 | (buffer-name elt) |
| 1043 | (if (buffer-modified-p elt) "*" " ") |
| 1044 | (save-excursion |
| 1045 | (set-buffer elt) |
| 1046 | (if buffer-read-only "%" " ")) |
| 1047 | (or (buffer-file-name elt) |
| 1048 | (save-excursion |
| 1049 | (set-buffer elt) |
| 1050 | (if list-buffers-directory |
| 1051 | (expand-file-name |
| 1052 | list-buffers-directory))) |
| 1053 | "")) |
| 1054 | elt) |
| 1055 | head)))) |
| 1056 | (setq tail (cdr tail))) |
| 1057 | (reverse head)))))) |
| 1058 | (let ((buf (x-popup-menu event menu)) |
| 1059 | (window (posn-window (event-start event)))) |
| 1060 | (if buf |
| 1061 | (progn |
| 1062 | (or (framep window) (select-window window)) |
| 1063 | (switch-to-buffer buf)))))) |
| 1064 | \f |
| 1065 | ;;; These need to be rewritten for the new scroll bar implementation. |
| 1066 | |
| 1067 | ;;;!! ;; Commands for the scroll bar. |
| 1068 | ;;;!! |
| 1069 | ;;;!! (defun mouse-scroll-down (click) |
| 1070 | ;;;!! (interactive "@e") |
| 1071 | ;;;!! (scroll-down (1+ (cdr (mouse-coords click))))) |
| 1072 | ;;;!! |
| 1073 | ;;;!! (defun mouse-scroll-up (click) |
| 1074 | ;;;!! (interactive "@e") |
| 1075 | ;;;!! (scroll-up (1+ (cdr (mouse-coords click))))) |
| 1076 | ;;;!! |
| 1077 | ;;;!! (defun mouse-scroll-down-full () |
| 1078 | ;;;!! (interactive "@") |
| 1079 | ;;;!! (scroll-down nil)) |
| 1080 | ;;;!! |
| 1081 | ;;;!! (defun mouse-scroll-up-full () |
| 1082 | ;;;!! (interactive "@") |
| 1083 | ;;;!! (scroll-up nil)) |
| 1084 | ;;;!! |
| 1085 | ;;;!! (defun mouse-scroll-move-cursor (click) |
| 1086 | ;;;!! (interactive "@e") |
| 1087 | ;;;!! (move-to-window-line (1+ (cdr (mouse-coords click))))) |
| 1088 | ;;;!! |
| 1089 | ;;;!! (defun mouse-scroll-absolute (event) |
| 1090 | ;;;!! (interactive "@e") |
| 1091 | ;;;!! (let* ((pos (car event)) |
| 1092 | ;;;!! (position (car pos)) |
| 1093 | ;;;!! (length (car (cdr pos)))) |
| 1094 | ;;;!! (if (<= length 0) (setq length 1)) |
| 1095 | ;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size))))) |
| 1096 | ;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor) |
| 1097 | ;;;!! position) |
| 1098 | ;;;!! length) |
| 1099 | ;;;!! scale-factor))) |
| 1100 | ;;;!! (goto-char newpos) |
| 1101 | ;;;!! (recenter '(4))))) |
| 1102 | ;;;!! |
| 1103 | ;;;!! (defun mouse-scroll-left (click) |
| 1104 | ;;;!! (interactive "@e") |
| 1105 | ;;;!! (scroll-left (1+ (car (mouse-coords click))))) |
| 1106 | ;;;!! |
| 1107 | ;;;!! (defun mouse-scroll-right (click) |
| 1108 | ;;;!! (interactive "@e") |
| 1109 | ;;;!! (scroll-right (1+ (car (mouse-coords click))))) |
| 1110 | ;;;!! |
| 1111 | ;;;!! (defun mouse-scroll-left-full () |
| 1112 | ;;;!! (interactive "@") |
| 1113 | ;;;!! (scroll-left nil)) |
| 1114 | ;;;!! |
| 1115 | ;;;!! (defun mouse-scroll-right-full () |
| 1116 | ;;;!! (interactive "@") |
| 1117 | ;;;!! (scroll-right nil)) |
| 1118 | ;;;!! |
| 1119 | ;;;!! (defun mouse-scroll-move-cursor-horizontally (click) |
| 1120 | ;;;!! (interactive "@e") |
| 1121 | ;;;!! (move-to-column (1+ (car (mouse-coords click))))) |
| 1122 | ;;;!! |
| 1123 | ;;;!! (defun mouse-scroll-absolute-horizontally (event) |
| 1124 | ;;;!! (interactive "@e") |
| 1125 | ;;;!! (let* ((pos (car event)) |
| 1126 | ;;;!! (position (car pos)) |
| 1127 | ;;;!! (length (car (cdr pos)))) |
| 1128 | ;;;!! (set-window-hscroll (selected-window) 33))) |
| 1129 | ;;;!! |
| 1130 | ;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up) |
| 1131 | ;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute) |
| 1132 | ;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down) |
| 1133 | ;;;!! |
| 1134 | ;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor) |
| 1135 | ;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor) |
| 1136 | ;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor) |
| 1137 | ;;;!! |
| 1138 | ;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full) |
| 1139 | ;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full) |
| 1140 | ;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full) |
| 1141 | ;;;!! |
| 1142 | ;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full) |
| 1143 | ;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full) |
| 1144 | ;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full) |
| 1145 | ;;;!! |
| 1146 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left) |
| 1147 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-2] |
| 1148 | ;;;!! 'mouse-scroll-absolute-horizontally) |
| 1149 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right) |
| 1150 | ;;;!! |
| 1151 | ;;;!! (global-set-key [horizontal-slider mouse-1] |
| 1152 | ;;;!! 'mouse-scroll-move-cursor-horizontally) |
| 1153 | ;;;!! (global-set-key [horizontal-slider mouse-2] |
| 1154 | ;;;!! 'mouse-scroll-move-cursor-horizontally) |
| 1155 | ;;;!! (global-set-key [horizontal-slider mouse-3] |
| 1156 | ;;;!! 'mouse-scroll-move-cursor-horizontally) |
| 1157 | ;;;!! |
| 1158 | ;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full) |
| 1159 | ;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full) |
| 1160 | ;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full) |
| 1161 | ;;;!! |
| 1162 | ;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full) |
| 1163 | ;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full) |
| 1164 | ;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full) |
| 1165 | ;;;!! |
| 1166 | ;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2] |
| 1167 | ;;;!! 'mouse-split-window-horizontally) |
| 1168 | ;;;!! (global-set-key [mode-line S-mouse-2] |
| 1169 | ;;;!! 'mouse-split-window-horizontally) |
| 1170 | ;;;!! (global-set-key [vertical-scroll-bar S-mouse-2] |
| 1171 | ;;;!! 'mouse-split-window) |
| 1172 | \f |
| 1173 | ;;;!! ;;;; |
| 1174 | ;;;!! ;;;; Here are experimental things being tested. Mouse events |
| 1175 | ;;;!! ;;;; are of the form: |
| 1176 | ;;;!! ;;;; ((x y) window screen-part key-sequence timestamp) |
| 1177 | ;;;!! ;; |
| 1178 | ;;;!! ;;;; |
| 1179 | ;;;!! ;;;; Dynamically track mouse coordinates |
| 1180 | ;;;!! ;;;; |
| 1181 | ;;;!! ;; |
| 1182 | ;;;!! ;;(defun track-mouse (event) |
| 1183 | ;;;!! ;; "Track the coordinates, absolute and relative, of the mouse." |
| 1184 | ;;;!! ;; (interactive "@e") |
| 1185 | ;;;!! ;; (while mouse-grabbed |
| 1186 | ;;;!! ;; (let* ((pos (read-mouse-position (selected-screen))) |
| 1187 | ;;;!! ;; (abs-x (car pos)) |
| 1188 | ;;;!! ;; (abs-y (cdr pos)) |
| 1189 | ;;;!! ;; (relative-coordinate (coordinates-in-window-p |
| 1190 | ;;;!! ;; (list (car pos) (cdr pos)) |
| 1191 | ;;;!! ;; (selected-window)))) |
| 1192 | ;;;!! ;; (if (consp relative-coordinate) |
| 1193 | ;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y |
| 1194 | ;;;!! ;; (car relative-coordinate) |
| 1195 | ;;;!! ;; (car (cdr relative-coordinate))) |
| 1196 | ;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y))))) |
| 1197 | ;;;!! |
| 1198 | ;;;!! ;; |
| 1199 | ;;;!! ;; Dynamically put a box around the line indicated by point |
| 1200 | ;;;!! ;; |
| 1201 | ;;;!! ;; |
| 1202 | ;;;!! ;;(require 'backquote) |
| 1203 | ;;;!! ;; |
| 1204 | ;;;!! ;;(defun mouse-select-buffer-line (event) |
| 1205 | ;;;!! ;; (interactive "@e") |
| 1206 | ;;;!! ;; (let ((relative-coordinate |
| 1207 | ;;;!! ;; (coordinates-in-window-p (car event) (selected-window))) |
| 1208 | ;;;!! ;; (abs-y (car (cdr (car event))))) |
| 1209 | ;;;!! ;; (if (consp relative-coordinate) |
| 1210 | ;;;!! ;; (progn |
| 1211 | ;;;!! ;; (save-excursion |
| 1212 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) |
| 1213 | ;;;!! ;; (x-draw-rectangle |
| 1214 | ;;;!! ;; (selected-screen) |
| 1215 | ;;;!! ;; abs-y 0 |
| 1216 | ;;;!! ;; (save-excursion |
| 1217 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) |
| 1218 | ;;;!! ;; (end-of-line) |
| 1219 | ;;;!! ;; (push-mark nil t) |
| 1220 | ;;;!! ;; (beginning-of-line) |
| 1221 | ;;;!! ;; (- (region-end) (region-beginning))) 1)) |
| 1222 | ;;;!! ;; (sit-for 1) |
| 1223 | ;;;!! ;; (x-erase-rectangle (selected-screen)))))) |
| 1224 | ;;;!! ;; |
| 1225 | ;;;!! ;;(defvar last-line-drawn nil) |
| 1226 | ;;;!! ;;(defvar begin-delim "[^ \t]") |
| 1227 | ;;;!! ;;(defvar end-delim "[^ \t]") |
| 1228 | ;;;!! ;; |
| 1229 | ;;;!! ;;(defun mouse-boxing (event) |
| 1230 | ;;;!! ;; (interactive "@e") |
| 1231 | ;;;!! ;; (save-excursion |
| 1232 | ;;;!! ;; (let ((screen (selected-screen))) |
| 1233 | ;;;!! ;; (while (= (x-mouse-events) 0) |
| 1234 | ;;;!! ;; (let* ((pos (read-mouse-position screen)) |
| 1235 | ;;;!! ;; (abs-x (car pos)) |
| 1236 | ;;;!! ;; (abs-y (cdr pos)) |
| 1237 | ;;;!! ;; (relative-coordinate |
| 1238 | ;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y))) |
| 1239 | ;;;!! ;; (selected-window))) |
| 1240 | ;;;!! ;; (begin-reg nil) |
| 1241 | ;;;!! ;; (end-reg nil) |
| 1242 | ;;;!! ;; (end-column nil) |
| 1243 | ;;;!! ;; (begin-column nil)) |
| 1244 | ;;;!! ;; (if (and (consp relative-coordinate) |
| 1245 | ;;;!! ;; (or (not last-line-drawn) |
| 1246 | ;;;!! ;; (not (= last-line-drawn abs-y)))) |
| 1247 | ;;;!! ;; (progn |
| 1248 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) |
| 1249 | ;;;!! ;; (if (= (following-char) 10) |
| 1250 | ;;;!! ;; () |
| 1251 | ;;;!! ;; (progn |
| 1252 | ;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim))) |
| 1253 | ;;;!! ;; (setq begin-column (1- (current-column))) |
| 1254 | ;;;!! ;; (end-of-line) |
| 1255 | ;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim))) |
| 1256 | ;;;!! ;; (setq end-column (1+ (current-column))) |
| 1257 | ;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg)) |
| 1258 | ;;;!! ;; (x-draw-rectangle screen |
| 1259 | ;;;!! ;; (setq last-line-drawn abs-y) |
| 1260 | ;;;!! ;; begin-column |
| 1261 | ;;;!! ;; (- end-column begin-column) 1)))))))))) |
| 1262 | ;;;!! ;; |
| 1263 | ;;;!! ;;(defun mouse-erase-box () |
| 1264 | ;;;!! ;; (interactive) |
| 1265 | ;;;!! ;; (if last-line-drawn |
| 1266 | ;;;!! ;; (progn |
| 1267 | ;;;!! ;; (x-erase-rectangle (selected-screen)) |
| 1268 | ;;;!! ;; (setq last-line-drawn nil)))) |
| 1269 | ;;;!! |
| 1270 | ;;;!! ;;; (defun test-x-rectangle () |
| 1271 | ;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap))) |
| 1272 | ;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing) |
| 1273 | ;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box)) |
| 1274 | ;;;!! |
| 1275 | ;;;!! ;; |
| 1276 | ;;;!! ;; Here is how to do double clicking in lisp. About to change. |
| 1277 | ;;;!! ;; |
| 1278 | ;;;!! |
| 1279 | ;;;!! (defvar double-start nil) |
| 1280 | ;;;!! (defconst double-click-interval 300 |
| 1281 | ;;;!! "Max ticks between clicks") |
| 1282 | ;;;!! |
| 1283 | ;;;!! (defun double-down (event) |
| 1284 | ;;;!! (interactive "@e") |
| 1285 | ;;;!! (if double-start |
| 1286 | ;;;!! (let ((interval (- (nth 4 event) double-start))) |
| 1287 | ;;;!! (if (< interval double-click-interval) |
| 1288 | ;;;!! (progn |
| 1289 | ;;;!! (backward-up-list 1) |
| 1290 | ;;;!! ;; (message "Interval %d" interval) |
| 1291 | ;;;!! (sleep-for 1))) |
| 1292 | ;;;!! (setq double-start nil)) |
| 1293 | ;;;!! (setq double-start (nth 4 event)))) |
| 1294 | ;;;!! |
| 1295 | ;;;!! (defun double-up (event) |
| 1296 | ;;;!! (interactive "@e") |
| 1297 | ;;;!! (and double-start |
| 1298 | ;;;!! (> (- (nth 4 event ) double-start) double-click-interval) |
| 1299 | ;;;!! (setq double-start nil))) |
| 1300 | ;;;!! |
| 1301 | ;;;!! ;;; (defun x-test-doubleclick () |
| 1302 | ;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap))) |
| 1303 | ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down) |
| 1304 | ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up)) |
| 1305 | ;;;!! |
| 1306 | ;;;!! ;; |
| 1307 | ;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar. |
| 1308 | ;;;!! ;; |
| 1309 | ;;;!! |
| 1310 | ;;;!! (defvar scrolled-lines 0) |
| 1311 | ;;;!! (defconst scroll-speed 1) |
| 1312 | ;;;!! |
| 1313 | ;;;!! (defun incr-scroll-down (event) |
| 1314 | ;;;!! (interactive "@e") |
| 1315 | ;;;!! (setq scrolled-lines 0) |
| 1316 | ;;;!! (incremental-scroll scroll-speed)) |
| 1317 | ;;;!! |
| 1318 | ;;;!! (defun incr-scroll-up (event) |
| 1319 | ;;;!! (interactive "@e") |
| 1320 | ;;;!! (setq scrolled-lines 0) |
| 1321 | ;;;!! (incremental-scroll (- scroll-speed))) |
| 1322 | ;;;!! |
| 1323 | ;;;!! (defun incremental-scroll (n) |
| 1324 | ;;;!! (while (= (x-mouse-events) 0) |
| 1325 | ;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines))) |
| 1326 | ;;;!! (scroll-down n) |
| 1327 | ;;;!! (sit-for 300 t))) |
| 1328 | ;;;!! |
| 1329 | ;;;!! (defun incr-scroll-stop (event) |
| 1330 | ;;;!! (interactive "@e") |
| 1331 | ;;;!! (message "Scrolled %d lines" scrolled-lines) |
| 1332 | ;;;!! (setq scrolled-lines 0) |
| 1333 | ;;;!! (sleep-for 1)) |
| 1334 | ;;;!! |
| 1335 | ;;;!! ;;; (defun x-testing-scroll () |
| 1336 | ;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix))) |
| 1337 | ;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down) |
| 1338 | ;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up) |
| 1339 | ;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop) |
| 1340 | ;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop))) |
| 1341 | ;;;!! |
| 1342 | ;;;!! ;; |
| 1343 | ;;;!! ;; Some playthings suitable for picture mode? They need work. |
| 1344 | ;;;!! ;; |
| 1345 | ;;;!! |
| 1346 | ;;;!! (defun mouse-kill-rectangle (event) |
| 1347 | ;;;!! "Kill the rectangle between point and the mouse cursor." |
| 1348 | ;;;!! (interactive "@e") |
| 1349 | ;;;!! (let ((point-save (point))) |
| 1350 | ;;;!! (save-excursion |
| 1351 | ;;;!! (mouse-set-point event) |
| 1352 | ;;;!! (push-mark nil t) |
| 1353 | ;;;!! (if (> point-save (point)) |
| 1354 | ;;;!! (kill-rectangle (point) point-save) |
| 1355 | ;;;!! (kill-rectangle point-save (point)))))) |
| 1356 | ;;;!! |
| 1357 | ;;;!! (defun mouse-open-rectangle (event) |
| 1358 | ;;;!! "Kill the rectangle between point and the mouse cursor." |
| 1359 | ;;;!! (interactive "@e") |
| 1360 | ;;;!! (let ((point-save (point))) |
| 1361 | ;;;!! (save-excursion |
| 1362 | ;;;!! (mouse-set-point event) |
| 1363 | ;;;!! (push-mark nil t) |
| 1364 | ;;;!! (if (> point-save (point)) |
| 1365 | ;;;!! (open-rectangle (point) point-save) |
| 1366 | ;;;!! (open-rectangle point-save (point)))))) |
| 1367 | ;;;!! |
| 1368 | ;;;!! ;; Must be a better way to do this. |
| 1369 | ;;;!! |
| 1370 | ;;;!! (defun mouse-multiple-insert (n char) |
| 1371 | ;;;!! (while (> n 0) |
| 1372 | ;;;!! (insert char) |
| 1373 | ;;;!! (setq n (1- n)))) |
| 1374 | ;;;!! |
| 1375 | ;;;!! ;; What this could do is not finalize until button was released. |
| 1376 | ;;;!! |
| 1377 | ;;;!! (defun mouse-move-text (event) |
| 1378 | ;;;!! "Move text from point to cursor position, inserting spaces." |
| 1379 | ;;;!! (interactive "@e") |
| 1380 | ;;;!! (let* ((relative-coordinate |
| 1381 | ;;;!! (coordinates-in-window-p (car event) (selected-window)))) |
| 1382 | ;;;!! (if (consp relative-coordinate) |
| 1383 | ;;;!! (cond ((> (current-column) (car relative-coordinate)) |
| 1384 | ;;;!! (delete-char |
| 1385 | ;;;!! (- (car relative-coordinate) (current-column)))) |
| 1386 | ;;;!! ((< (current-column) (car relative-coordinate)) |
| 1387 | ;;;!! (mouse-multiple-insert |
| 1388 | ;;;!! (- (car relative-coordinate) (current-column)) " ")) |
| 1389 | ;;;!! ((= (current-column) (car relative-coordinate)) (ding)))))) |
| 1390 | \f |
| 1391 | ;; Choose a completion with the mouse. |
| 1392 | |
| 1393 | (defun mouse-choose-completion (event) |
| 1394 | "Click on an alternative in the `*Completions*' buffer to choose it." |
| 1395 | (interactive "e") |
| 1396 | ;; Give temporary modes such as isearch a chance to turn off. |
| 1397 | (run-hooks 'mouse-leave-buffer-hook) |
| 1398 | (let ((buffer (window-buffer)) |
| 1399 | choice |
| 1400 | base-size) |
| 1401 | (save-excursion |
| 1402 | (set-buffer (window-buffer (posn-window (event-start event)))) |
| 1403 | (if completion-reference-buffer |
| 1404 | (setq buffer completion-reference-buffer)) |
| 1405 | (setq base-size completion-base-size) |
| 1406 | (save-excursion |
| 1407 | (goto-char (posn-point (event-start event))) |
| 1408 | (let (beg end) |
| 1409 | (if (and (not (eobp)) (get-text-property (point) 'mouse-face)) |
| 1410 | (setq end (point) beg (1+ (point)))) |
| 1411 | (if (null beg) |
| 1412 | (error "No completion here")) |
| 1413 | (setq beg (previous-single-property-change beg 'mouse-face)) |
| 1414 | (setq end (or (next-single-property-change end 'mouse-face) |
| 1415 | (point-max))) |
| 1416 | (setq choice (buffer-substring beg end))))) |
| 1417 | (let ((owindow (selected-window))) |
| 1418 | (select-window (posn-window (event-start event))) |
| 1419 | (if (and (one-window-p t 'selected-frame) |
| 1420 | (window-dedicated-p (selected-window))) |
| 1421 | ;; This is a special buffer's frame |
| 1422 | (iconify-frame (selected-frame)) |
| 1423 | (or (window-dedicated-p (selected-window)) |
| 1424 | (bury-buffer))) |
| 1425 | (select-window owindow)) |
| 1426 | (choose-completion-string choice buffer base-size))) |
| 1427 | \f |
| 1428 | ;; Font selection. |
| 1429 | |
| 1430 | (defun font-menu-add-default () |
| 1431 | (let* ((default (cdr (assq 'font (frame-parameters (selected-frame))))) |
| 1432 | (font-alist x-fixed-font-alist) |
| 1433 | (elt (or (assoc "Misc" font-alist) (nth 1 font-alist)))) |
| 1434 | (if (assoc "Default" elt) |
| 1435 | (delete (assoc "Default" elt) elt)) |
| 1436 | (setcdr elt |
| 1437 | (cons (list "Default" |
| 1438 | (cdr (assq 'font (frame-parameters (selected-frame))))) |
| 1439 | (cdr elt))))) |
| 1440 | |
| 1441 | (defvar x-fixed-font-alist |
| 1442 | '("Font menu" |
| 1443 | ("Misc" |
| 1444 | ;; For these, we specify the pixel height and width. |
| 1445 | ("fixed" "fixed") |
| 1446 | ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10") |
| 1447 | ("6x12" |
| 1448 | "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12") |
| 1449 | ("6x13" |
| 1450 | "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13") |
| 1451 | ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13") |
| 1452 | ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14") |
| 1453 | ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13") |
| 1454 | ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15") |
| 1455 | ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20") |
| 1456 | ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18") |
| 1457 | ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24") |
| 1458 | ("") |
| 1459 | ("clean 5x8" |
| 1460 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1") |
| 1461 | ("clean 6x8" |
| 1462 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1") |
| 1463 | ("clean 8x8" |
| 1464 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1") |
| 1465 | ("clean 8x10" |
| 1466 | "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1") |
| 1467 | ("clean 8x14" |
| 1468 | "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1") |
| 1469 | ("clean 8x16" |
| 1470 | "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1") |
| 1471 | ("") |
| 1472 | ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1")) |
| 1473 | ;;; We don't seem to have these; who knows what they are. |
| 1474 | ;;; ("fg-18" "fg-18") |
| 1475 | ;;; ("fg-25" "fg-25") |
| 1476 | ;;; ("lucidasanstypewriter-12" "lucidasanstypewriter-12") |
| 1477 | ;;; ("lucidasanstypewriter-bold-14" "lucidasanstypewriter-bold-14") |
| 1478 | ;;; ("lucidasanstypewriter-bold-24" "lucidasanstypewriter-bold-24") |
| 1479 | ;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1") |
| 1480 | ;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*") |
| 1481 | ("Courier" |
| 1482 | ;; For these, we specify the point height. |
| 1483 | ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1") |
| 1484 | ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1") |
| 1485 | ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1") |
| 1486 | ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1") |
| 1487 | ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1") |
| 1488 | ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1") |
| 1489 | ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1") |
| 1490 | ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1") |
| 1491 | ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1") |
| 1492 | ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1") |
| 1493 | ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1") |
| 1494 | ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1") |
| 1495 | ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1") |
| 1496 | ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1") |
| 1497 | ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1") |
| 1498 | ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1") |
| 1499 | ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1") |
| 1500 | ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1") |
| 1501 | ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1") |
| 1502 | ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1") |
| 1503 | ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1") |
| 1504 | ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1") |
| 1505 | ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1") |
| 1506 | ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1")) |
| 1507 | ) |
| 1508 | "X fonts suitable for use in Emacs.") |
| 1509 | |
| 1510 | (defun mouse-set-font (&rest fonts) |
| 1511 | "Select an emacs font from a list of known good fonts" |
| 1512 | (interactive |
| 1513 | (x-popup-menu last-nonmenu-event x-fixed-font-alist)) |
| 1514 | (if fonts |
| 1515 | (let (font) |
| 1516 | (while fonts |
| 1517 | (condition-case nil |
| 1518 | (progn |
| 1519 | (set-default-font (car fonts)) |
| 1520 | (setq font (car fonts)) |
| 1521 | (setq fonts nil)) |
| 1522 | (error |
| 1523 | (setq fonts (cdr fonts))))) |
| 1524 | (if (null font) |
| 1525 | (error "Font not found"))))) |
| 1526 | \f |
| 1527 | ;;; Bindings for mouse commands. |
| 1528 | |
| 1529 | (define-key global-map [down-mouse-1] 'mouse-drag-region) |
| 1530 | (global-set-key [mouse-1] 'mouse-set-point) |
| 1531 | (global-set-key [drag-mouse-1] 'mouse-set-region) |
| 1532 | |
| 1533 | ;; These are tested for in mouse-drag-region. |
| 1534 | (global-set-key [double-mouse-1] 'mouse-set-point) |
| 1535 | (global-set-key [triple-mouse-1] 'mouse-set-point) |
| 1536 | |
| 1537 | (global-set-key [mouse-2] 'mouse-yank-at-click) |
| 1538 | (global-set-key [mouse-3] 'mouse-save-then-kill) |
| 1539 | |
| 1540 | ;; By binding these to down-going events, we let the user use the up-going |
| 1541 | ;; event to make the selection, saving a click. |
| 1542 | (global-set-key [C-down-mouse-1] 'mouse-set-font) |
| 1543 | ;; C-down-mouse-2 is bound in facemenu.el. |
| 1544 | (global-set-key [C-down-mouse-3] 'mouse-major-mode-menu) |
| 1545 | |
| 1546 | |
| 1547 | ;; Replaced with dragging mouse-1 |
| 1548 | ;; (global-set-key [S-mouse-1] 'mouse-set-mark) |
| 1549 | |
| 1550 | (global-set-key [mode-line mouse-1] 'mouse-select-window) |
| 1551 | (global-set-key [mode-line drag-mouse-1] 'mouse-select-window) |
| 1552 | (global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line) |
| 1553 | (global-set-key [mode-line mouse-2] 'mouse-delete-other-windows) |
| 1554 | (global-set-key [mode-line mouse-3] 'mouse-delete-window) |
| 1555 | (global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally) |
| 1556 | (global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically) |
| 1557 | (global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically) |
| 1558 | |
| 1559 | (provide 'mouse) |
| 1560 | |
| 1561 | ;;; mouse.el ends here |