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2208 lines
83 KiB
EmacsLisp
2208 lines
83 KiB
EmacsLisp
;;; mouse.el --- window system-independent mouse support
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;; Copyright (C) 1993, 1994, 1995, 1999, 2000, 2001
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;; Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: hardware, mouse
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; This package provides various useful commands (including help
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;; system access) through the mouse. All this code assumes that mouse
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;; interpretation has been abstracted into Emacs input events.
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;;
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;; The code is rather X-dependent.
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;;; Code:
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;;; Utility functions.
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;;; Indent track-mouse like progn.
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(put 'track-mouse 'lisp-indent-function 0)
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(defcustom mouse-yank-at-point nil
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"*If non-nil, mouse yank commands yank at point instead of at click."
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:type 'boolean
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:group 'mouse)
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;; Provide a mode-specific menu on a mouse button.
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(defun popup-menu (menu &optional position prefix)
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"Popup the given menu and call the selected option.
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MENU can be a keymap, an easymenu-style menu or a list of keymaps as for
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`x-popup-menu'.
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POSITION can be a click event or ((XOFFSET YOFFSET) WINDOW) and defaults to
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the current mouse position.
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PREFIX is the prefix argument (if any) to pass to the command."
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(let* ((map (cond
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((keymapp menu) menu)
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((and (listp menu) (keymapp (car menu))) menu)
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(t (let* ((map (easy-menu-create-menu (car menu) (cdr menu)))
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(filter (when (symbolp map)
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(plist-get (get map 'menu-prop) :filter))))
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(if filter (funcall filter (symbol-function map)) map)))))
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event cmd)
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(unless position
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(let ((mp (mouse-pixel-position)))
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(setq position (list (list (cadr mp) (cddr mp)) (car mp)))))
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;; The looping behavior was taken from lmenu's popup-menu-popup
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(while (and map (setq event
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;; map could be a prefix key, in which case
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;; we need to get its function cell
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;; definition.
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(x-popup-menu position (indirect-function map))))
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;; Strangely x-popup-menu returns a list.
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;; mouse-major-mode-menu was using a weird:
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;; (key-binding (apply 'vector (append '(menu-bar) menu-prefix events)))
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(setq cmd
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(if (and (not (keymapp map)) (listp map))
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;; We were given a list of keymaps. Search them all
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;; in sequence until a first binding is found.
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(let ((mouse-click (apply 'vector event))
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binding)
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(while (and map (null binding))
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(setq binding (lookup-key (car map) mouse-click))
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(if (numberp binding) ; `too long'
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(setq binding nil))
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(setq map (cdr map)))
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binding)
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;; We were given a single keymap.
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(lookup-key map (apply 'vector event))))
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;; Clear out echoing, which perhaps shows a prefix arg.
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(message "")
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;; Maybe try again but with the submap.
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(setq map (if (keymapp cmd) cmd)))
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;; If the user did not cancel by refusing to select,
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;; and if the result is a command, run it.
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(when (and (null map) (commandp cmd))
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(setq prefix-arg prefix)
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;; `setup-specified-language-environment', for instance,
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;; expects this to be set from a menu keymap.
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(setq last-command-event (car (last event)))
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;; mouse-major-mode-menu was using `command-execute' instead.
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(call-interactively cmd))))
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(defvar mouse-major-mode-menu-prefix) ; dynamically bound
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(defun mouse-major-mode-menu (event prefix)
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"Pop up a mode-specific menu of mouse commands.
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Default to the Edit menu if the major mode doesn't define a menu."
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;; Switch to the window clicked on, because otherwise
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;; the mode's commands may not make sense.
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(interactive "@e\nP")
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;; Let the mode update its menus first.
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(run-hooks 'activate-menubar-hook 'menu-bar-update-hook)
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(let* (;; This is where mouse-major-mode-menu-prefix
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;; returns the prefix we should use (after menu-bar).
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;; It is either nil or (SOME-SYMBOL).
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(mouse-major-mode-menu-prefix nil)
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;; Keymap from which to inherit; may be null.
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(ancestor (mouse-major-mode-menu-1
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(and (current-local-map)
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(local-key-binding [menu-bar]))))
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;; Make a keymap in which our last command leads to a menu or
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;; default to the edit menu.
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(newmap (if ancestor
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(make-sparse-keymap (concat mode-name " Mode"))
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menu-bar-edit-menu))
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result)
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(if ancestor
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;; Make our menu inherit from the desired keymap which we want
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;; to display as the menu now.
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(set-keymap-parent newmap ancestor))
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(popup-menu newmap event prefix)))
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;; Compute and cache the equivalent keys in MENU and all its submenus.
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;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
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;;; (and (eq (car menu) 'keymap)
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;;; (x-popup-menu nil menu))
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;;; (while menu
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;;; (and (consp (car menu))
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;;; (consp (cdr (car menu)))
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;;; (let ((tail (cdr (car menu))))
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;;; (while (and (consp tail)
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;;; (not (eq (car tail) 'keymap)))
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;;; (setq tail (cdr tail)))
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;;; (if (consp tail)
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;;; (mouse-major-mode-menu-compute-equiv-keys tail))))
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;;; (setq menu (cdr menu))))
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;; Given a mode's menu bar keymap,
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;; if it defines exactly one menu bar menu,
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;; return just that menu.
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;; Otherwise return a menu for all of them.
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(defun mouse-major-mode-menu-1 (menubar)
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(if menubar
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(let ((tail menubar)
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submap)
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(while tail
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(if (consp (car tail))
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(if submap
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(setq submap t)
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(setq submap (car tail))))
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(setq tail (cdr tail)))
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(if (eq submap t)
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menubar
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(setq mouse-major-mode-menu-prefix (list (car submap)))
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(lookup-key menubar (vector (car submap)))))))
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(defun mouse-popup-menubar (event prefix)
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"Pops up a menu equiavlent to the menu bar a keyboard EVENT with PREFIX.
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The contents are the items that would be in the menu bar whether or
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not it is actually displayed."
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(interactive "@e \nP")
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(run-hooks 'activate-menubar-hook 'menu-bar-update-hook)
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(let* ((local-menu (and (current-local-map)
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(lookup-key (current-local-map) [menu-bar])))
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(global-menu (lookup-key global-map [menu-bar]))
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;; If a keymap doesn't have a prompt string (a lazy
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;; programmer didn't bother to provide one), create it and
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;; insert it into the keymap; each keymap gets its own
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;; prompt. This is required for non-toolkit versions to
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;; display non-empty menu pane names.
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(minor-mode-menus
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(mapcar
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(function
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(lambda (menu)
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(let* ((minor-mode (car menu))
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(menu (cdr menu))
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(title-or-map (cadr menu)))
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(or (stringp title-or-map)
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(setq menu
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(cons 'keymap
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(cons (concat
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(capitalize (subst-char-in-string
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?- ?\ (symbol-name
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minor-mode)))
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" Menu")
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(cdr menu)))))
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menu)))
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(minor-mode-key-binding [menu-bar])))
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(local-title-or-map (and local-menu (cadr local-menu)))
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(global-title-or-map (cadr global-menu)))
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(or (null local-menu)
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(stringp local-title-or-map)
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(setq local-menu (cons 'keymap
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(cons (concat mode-name " Mode Menu")
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(cdr local-menu)))))
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(or (stringp global-title-or-map)
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(setq global-menu (cons 'keymap
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(cons "Global Menu"
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(cdr global-menu)))))
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;; Supplying the list is faster than making a new map.
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(popup-menu (append (list global-menu)
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(if local-menu
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(list local-menu))
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minor-mode-menus)
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event prefix)))
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(defun mouse-popup-menubar-stuff (event prefix)
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"Popup a menu like either `mouse-major-mode-menu' or `mouse-popup-menubar'.
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Use the former if the menu bar is showing, otherwise the latter."
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(interactive "@e \nP")
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(if (zerop (assoc-default 'menu-bar-lines (frame-parameters) 'eq 0))
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(mouse-popup-menubar event prefix)
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(mouse-major-mode-menu event prefix)))
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;; Commands that operate on windows.
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(defun mouse-minibuffer-check (event)
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(let ((w (posn-window (event-start event))))
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(and (window-minibuffer-p w)
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(not (minibuffer-window-active-p w))
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(error "Minibuffer window is not active")))
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;; Give temporary modes such as isearch a chance to turn off.
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(run-hooks 'mouse-leave-buffer-hook))
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(defun mouse-delete-window (click)
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"Delete the window you click on.
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Do nothing if the frame has just one window.
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This command must be bound to a mouse click."
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(interactive "e")
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(unless (one-window-p t)
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(mouse-minibuffer-check click)
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(delete-window (posn-window (event-start click)))))
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(defun mouse-select-window (click)
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"Select the window clicked on; don't move point."
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(interactive "e")
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(mouse-minibuffer-check click)
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(let ((oframe (selected-frame))
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(frame (window-frame (posn-window (event-start click)))))
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(select-window (posn-window (event-start click)))
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(raise-frame frame)
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(select-frame frame)
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(or (eq frame oframe)
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(set-mouse-position (selected-frame) (1- (frame-width)) 0))))
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(defun mouse-tear-off-window (click)
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"Delete the window clicked on, and create a new frame displaying its buffer."
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(interactive "e")
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(mouse-minibuffer-check click)
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(let* ((window (posn-window (event-start click)))
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(buf (window-buffer window))
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(frame (make-frame)))
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(select-frame frame)
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(switch-to-buffer buf)
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(delete-window window)))
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(defun mouse-delete-other-windows ()
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"Delete all windows except the one you click on."
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(interactive "@")
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(delete-other-windows))
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(defun mouse-split-window-vertically (click)
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"Select Emacs window mouse is on, then split it vertically in half.
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The window is split at the line clicked on.
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This command must be bound to a mouse click."
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(interactive "@e")
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(mouse-minibuffer-check click)
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(let ((start (event-start click)))
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(select-window (posn-window start))
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(let ((new-height (1+ (cdr (posn-col-row (event-end click)))))
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(first-line window-min-height)
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(last-line (- (window-height) window-min-height)))
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(if (< last-line first-line)
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(error "Window too short to split")
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(split-window-vertically
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(min (max new-height first-line) last-line))))))
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(defun mouse-split-window-horizontally (click)
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"Select Emacs window mouse is on, then split it horizontally in half.
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The window is split at the column clicked on.
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This command must be bound to a mouse click."
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(interactive "@e")
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(mouse-minibuffer-check click)
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(let ((start (event-start click)))
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(select-window (posn-window start))
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(let ((new-width (1+ (car (posn-col-row (event-end click)))))
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(first-col window-min-width)
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(last-col (- (window-width) window-min-width)))
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(if (< last-col first-col)
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(error "Window too narrow to split")
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(split-window-horizontally
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(min (max new-width first-col) last-col))))))
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(defun mouse-drag-mode-line-1 (start-event mode-line-p)
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"Change the height of a window by dragging on the mode or header line.
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START-EVENT is the starting mouse-event of the drag action.
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MODE-LINE-P non-nil means a mode line is dragged."
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;; Give temporary modes such as isearch a chance to turn off.
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(run-hooks 'mouse-leave-buffer-hook)
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(let* ((done nil)
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(echo-keystrokes 0)
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(start (event-start start-event))
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(start-event-window (posn-window start))
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(start-event-frame (window-frame start-event-window))
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(start-nwindows (count-windows t))
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(old-selected-window (selected-window))
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(minibuffer (frame-parameter nil 'minibuffer))
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should-enlarge-minibuffer event mouse y top bot edges wconfig growth)
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(track-mouse
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(progn
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;; enlarge-window only works on the selected window, so
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;; we must select the window where the start event originated.
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;; unwind-protect will restore the old selected window later.
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(select-window start-event-window)
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;; if this is the bottommost ordinary window, then to
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;; move its modeline the minibuffer must be enlarged.
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(setq should-enlarge-minibuffer
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(and minibuffer
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mode-line-p
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(not (one-window-p t))
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(= (nth 1 (window-edges minibuffer))
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(nth 3 (window-edges)))))
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;; loop reading events and sampling the position of
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;; the mouse.
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(while (not done)
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(setq event (read-event)
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mouse (mouse-position))
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;; do nothing if
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;; - there is a switch-frame event.
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;; - the mouse isn't in the frame that we started in
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;; - the mouse isn't in any Emacs frame
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;; drag if
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;; - there is a mouse-movement event
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;; - there is a scroll-bar-movement event
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;; (same as mouse movement for our purposes)
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;; quit if
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;; - there is a keyboard event or some other unknown event
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;; unknown event.
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(cond ((integerp event)
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(setq done t))
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((eq (car event) 'switch-frame)
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nil)
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((not (memq (car event) '(mouse-movement scroll-bar-movement)))
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(when (consp event)
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(push event unread-command-events))
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(setq done t))
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((not (eq (car mouse) start-event-frame))
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nil)
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((null (car (cdr mouse)))
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nil)
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(t
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(setq y (cdr (cdr mouse))
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edges (window-edges)
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top (nth 1 edges)
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bot (nth 3 edges))
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;; compute size change needed
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(cond (mode-line-p
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;; Scale back a move that would make the
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;; window too short.
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(when (< (- y top -1) window-min-height)
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(setq y (+ top window-min-height -1)))
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(setq growth (- y bot -1)))
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(t ; header line
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(when (< (- bot y) window-min-height)
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(setq y (- bot window-min-height)))
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;; The window's top includes the header line!
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(setq growth (- top y))))
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(setq wconfig (current-window-configuration))
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;; Check for an error case.
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(when (and (/= growth 0)
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(not minibuffer)
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(one-window-p t))
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(error "Attempt to resize sole window"))
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;; grow/shrink minibuffer?
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(if should-enlarge-minibuffer
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(progn
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;; yes. briefly select minibuffer so
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;; enlarge-window will affect the
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;; correct window.
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(select-window minibuffer)
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;; scale back shrinkage if it would
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;; make the minibuffer less than 1
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;; line tall.
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(if (and (> growth 0)
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(< (- (window-height minibuffer)
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growth)
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1))
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(setq growth (1- (window-height minibuffer))))
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(enlarge-window (- growth))
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(select-window start-event-window))
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;; no. grow/shrink the selected window
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;(message "growth = %d" growth)
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(enlarge-window growth))
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;; if this window's growth caused another
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;; window to be deleted because it was too
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;; short, rescind the change.
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;;
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;; if size change caused space to be stolen
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;; from a window above this one, rescind the
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;; change, but only if we didn't grow/shrink
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;; the minibuffer. minibuffer size changes
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;; can cause all windows to shrink... no way
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;; around it.
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(when (or (/= start-nwindows (count-windows t))
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(and (not should-enlarge-minibuffer)
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mode-line-p
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(/= top (nth 1 (window-edges)))))
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(set-window-configuration wconfig)))))))))
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(defun mouse-drag-mode-line (start-event)
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"Change the height of a window by dragging on the mode line."
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(interactive "e")
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(mouse-drag-mode-line-1 start-event t))
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(defun mouse-drag-header-line (start-event)
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"Change the height of a window by dragging on the header line.
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Windows whose header-lines are at the top of the frame cannot be
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resized by dragging their header-line."
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(interactive "e")
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;; Changing the window's size by dragging its header-line when the
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;; header-line is at the top of the frame is somewhat strange,
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;; because the header-line doesn't move, so don't do it.
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(let* ((start (event-start start-event))
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(window (posn-window start))
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(frame (window-frame window))
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(first-window (frame-first-window frame)))
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(when (or (eq window first-window)
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(= (nth 1 (window-edges window))
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(nth 1 (window-edges first-window))))
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(error "Cannot move header-line at the top of the frame"))
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(mouse-drag-mode-line-1 start-event nil)))
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(defun mouse-drag-vertical-line (start-event)
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"Change the width of a window by dragging on the vertical line."
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(interactive "e")
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;; Give temporary modes such as isearch a chance to turn off.
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||
(run-hooks 'mouse-leave-buffer-hook)
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(let* ((done nil)
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(echo-keystrokes 0)
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(start-event-frame (window-frame (car (car (cdr start-event)))))
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(start-event-window (car (car (cdr start-event))))
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||
(start-nwindows (count-windows t))
|
||
(old-selected-window (selected-window))
|
||
event mouse x left right edges wconfig growth
|
||
(which-side
|
||
(or (cdr (assq 'vertical-scroll-bars (frame-parameters start-event-frame)))
|
||
'right)))
|
||
(if (one-window-p t)
|
||
(error "Attempt to resize sole ordinary window"))
|
||
(if (eq which-side 'right)
|
||
(if (= (nth 2 (window-edges start-event-window))
|
||
(frame-width start-event-frame))
|
||
(error "Attempt to drag rightmost scrollbar"))
|
||
(if (= (nth 0 (window-edges start-event-window)) 0)
|
||
(error "Attempt to drag leftmost scrollbar")))
|
||
(track-mouse
|
||
(progn
|
||
;; enlarge-window only works on the selected window, so
|
||
;; we must select the window where the start event originated.
|
||
;; unwind-protect will restore the old selected window later.
|
||
(select-window start-event-window)
|
||
;; loop reading events and sampling the position of
|
||
;; the mouse.
|
||
(while (not done)
|
||
(setq event (read-event)
|
||
mouse (mouse-position))
|
||
;; do nothing if
|
||
;; - there is a switch-frame event.
|
||
;; - the mouse isn't in the frame that we started in
|
||
;; - the mouse isn't in any Emacs frame
|
||
;; drag if
|
||
;; - there is a mouse-movement event
|
||
;; - there is a scroll-bar-movement event
|
||
;; (same as mouse movement for our purposes)
|
||
;; quit if
|
||
;; - there is a keyboard event or some other unknown event
|
||
;; unknown event.
|
||
(cond ((integerp event)
|
||
(setq done t))
|
||
((eq (car event) 'switch-frame)
|
||
nil)
|
||
((not (memq (car event)
|
||
'(mouse-movement scroll-bar-movement)))
|
||
(if (consp event)
|
||
(setq unread-command-events
|
||
(cons event unread-command-events)))
|
||
(setq done t))
|
||
((not (eq (car mouse) start-event-frame))
|
||
nil)
|
||
((null (car (cdr mouse)))
|
||
nil)
|
||
(t
|
||
(save-selected-window
|
||
;; If the scroll bar is on the window's left,
|
||
;; adjust the window on the left.
|
||
(unless (eq which-side 'right)
|
||
(select-window (previous-window)))
|
||
(setq x (- (car (cdr mouse))
|
||
(if (eq which-side 'right) 0 2))
|
||
edges (window-edges)
|
||
left (nth 0 edges)
|
||
right (nth 2 edges))
|
||
;; scale back a move that would make the
|
||
;; window too thin.
|
||
(if (< (- x left -1) window-min-width)
|
||
(setq x (+ left window-min-width -1)))
|
||
;; compute size change needed
|
||
(setq growth (- x right -1)
|
||
wconfig (current-window-configuration))
|
||
(enlarge-window growth t)
|
||
;; if this window's growth caused another
|
||
;; window to be deleted because it was too
|
||
;; thin, rescind the change.
|
||
;;
|
||
;; if size change caused space to be stolen
|
||
;; from a window to the left of this one,
|
||
;; rescind the change.
|
||
(if (or (/= start-nwindows (count-windows t))
|
||
(/= left (nth 0 (window-edges))))
|
||
(set-window-configuration wconfig))))))))))
|
||
|
||
(defun mouse-set-point (event)
|
||
"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)))
|
||
(if (not (windowp (posn-window posn)))
|
||
(error "Cursor not in text area of window"))
|
||
(select-window (posn-window posn))
|
||
(if (numberp (posn-point posn))
|
||
(goto-char (posn-point posn)))))
|
||
|
||
(defvar mouse-last-region-beg nil)
|
||
(defvar mouse-last-region-end nil)
|
||
(defvar mouse-last-region-tick nil)
|
||
|
||
(defun mouse-region-match ()
|
||
"Return non-nil if there's an active region that was set with the mouse."
|
||
(and (mark t) mark-active
|
||
(eq mouse-last-region-beg (region-beginning))
|
||
(eq mouse-last-region-end (region-end))
|
||
(eq mouse-last-region-tick (buffer-modified-tick))))
|
||
|
||
(defun mouse-set-region (click)
|
||
"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))
|
||
(if (numberp (posn-point posn))
|
||
(goto-char (posn-point posn)))
|
||
;; If mark is highlighted, no need to bounce the cursor.
|
||
;; On X, we highlight while dragging, thus once again no need to bounce.
|
||
(or transient-mark-mode
|
||
(memq (framep (selected-frame)) '(x pc w32))
|
||
(sit-for 1))
|
||
(push-mark)
|
||
(set-mark (point))
|
||
(if (numberp (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.
|
||
;; Ignore last-command so we don't append to a preceding kill.
|
||
(let (this-command last-command deactivate-mark)
|
||
(copy-region-as-kill (mark) (point)))
|
||
(mouse-set-region-1)))
|
||
|
||
(defun mouse-set-region-1 ()
|
||
(setq mouse-last-region-beg (region-beginning))
|
||
(setq mouse-last-region-end (region-end))
|
||
(setq mouse-last-region-tick (buffer-modified-tick)))
|
||
|
||
(defcustom mouse-scroll-delay 0.25
|
||
"*The pause between scroll steps caused by mouse drags, in seconds.
|
||
If you drag the mouse beyond the edge of a window, Emacs scrolls the
|
||
window to bring the text beyond that edge into view, with a delay of
|
||
this many seconds between scroll steps. Scrolling stops when you move
|
||
the mouse back into the window, or release the button.
|
||
This variable's value may be non-integral.
|
||
Setting this to zero causes Emacs to scroll as fast as it can."
|
||
:type 'number
|
||
:group 'mouse)
|
||
|
||
(defcustom mouse-scroll-min-lines 1
|
||
"*The minimum number of lines scrolled by dragging mouse out of window.
|
||
Moving the mouse out the top or bottom edge of the window begins
|
||
scrolling repeatedly. The number of lines scrolled per repetition
|
||
is normally equal to the number of lines beyond the window edge that
|
||
the mouse has moved. However, it always scrolls at least the number
|
||
of lines specified by this variable."
|
||
:type 'integer
|
||
:group 'mouse)
|
||
|
||
(defun mouse-scroll-subr (window jump &optional overlay start)
|
||
"Scroll the window WINDOW, JUMP lines at a time, until new input arrives.
|
||
If OVERLAY is an overlay, let it stretch from START to the far edge of
|
||
the newly visible text.
|
||
Upon exit, point is at the far edge of the newly visible text."
|
||
(cond
|
||
((and (> jump 0) (< jump mouse-scroll-min-lines))
|
||
(setq jump mouse-scroll-min-lines))
|
||
((and (< jump 0) (< (- jump) mouse-scroll-min-lines))
|
||
(setq jump (- mouse-scroll-min-lines))))
|
||
(let ((opoint (point)))
|
||
(while (progn
|
||
(goto-char (window-start window))
|
||
(if (not (zerop (vertical-motion jump window)))
|
||
(progn
|
||
(set-window-start window (point))
|
||
(if (natnump jump)
|
||
(if (window-end window)
|
||
(progn
|
||
(goto-char (window-end window))
|
||
;; window-end doesn't reflect the window's new
|
||
;; start position until the next redisplay.
|
||
(vertical-motion (1- jump) window))
|
||
(vertical-motion (- (window-height window) 2)))
|
||
(goto-char (window-start window)))
|
||
(if overlay
|
||
(move-overlay overlay start (point)))
|
||
;; Now that we have scrolled WINDOW properly,
|
||
;; put point back where it was for the redisplay
|
||
;; so that we don't mess up the selected window.
|
||
(or (eq window (selected-window))
|
||
(goto-char opoint))
|
||
(sit-for mouse-scroll-delay)))))
|
||
(or (eq window (selected-window))
|
||
(goto-char opoint))))
|
||
|
||
;; Create an overlay and immediately delete it, to get "overlay in no buffer".
|
||
(defvar mouse-drag-overlay (make-overlay 1 1))
|
||
(delete-overlay mouse-drag-overlay)
|
||
(overlay-put mouse-drag-overlay 'face 'region)
|
||
|
||
(defvar mouse-selection-click-count 0)
|
||
|
||
(defvar mouse-selection-click-count-buffer nil)
|
||
|
||
(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.
|
||
This must be bound to a button-down mouse event.
|
||
In Transient Mark mode, the highlighting remains as long as the mark
|
||
remains active. Otherwise, it remains until the next input event."
|
||
(interactive "e")
|
||
(mouse-minibuffer-check start-event)
|
||
(let* ((echo-keystrokes 0)
|
||
(start-posn (event-start start-event))
|
||
(start-point (posn-point start-posn))
|
||
(start-window (posn-window start-posn))
|
||
(start-window-start (window-start start-window))
|
||
(start-frame (window-frame start-window))
|
||
(start-hscroll (window-hscroll 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))))
|
||
(setq mouse-selection-click-count click-count)
|
||
(setq mouse-selection-click-count-buffer (current-buffer))
|
||
(mouse-set-point start-event)
|
||
;; In case the down click is in the middle of some intangible text,
|
||
;; use the end of that text, and put it in START-POINT.
|
||
(if (< (point) start-point)
|
||
(goto-char start-point))
|
||
(setq start-point (point))
|
||
(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)
|
||
;; end-of-range is used only in the single-click case.
|
||
;; It is the place where the drag has reached so far
|
||
;; (but not outside the window where the drag started).
|
||
(let (event end end-point last-end-point (end-of-range (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))
|
||
(if (numberp end-point)
|
||
(setq last-end-point end-point))
|
||
|
||
(cond
|
||
;; Are we moving within the original window?
|
||
((and (eq (posn-window end) start-window)
|
||
(integer-or-marker-p end-point))
|
||
;; Go to START-POINT first, so that when we move to END-POINT,
|
||
;; if it's in the middle of intangible text,
|
||
;; point jumps in the direction away from START-POINT.
|
||
(goto-char start-point)
|
||
(goto-char end-point)
|
||
(if (zerop (% click-count 3))
|
||
(setq end-of-range (point)))
|
||
(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 start-window (- mouse-row top)
|
||
mouse-drag-overlay start-point)
|
||
;; Without this, point tends to jump back to the starting
|
||
;; position where the mouse button was pressed down.
|
||
(setq end-of-range (overlay-start mouse-drag-overlay)))
|
||
((>= mouse-row bottom)
|
||
(mouse-scroll-subr start-window (1+ (- mouse-row bottom))
|
||
mouse-drag-overlay start-point)
|
||
(setq end-of-range (overlay-end mouse-drag-overlay))))))))))
|
||
|
||
;; In case we did not get a mouse-motion event
|
||
;; for the final move of the mouse before a drag event
|
||
;; pretend that we did get one.
|
||
(when (and (memq 'drag (event-modifiers (car-safe event)))
|
||
(setq end (event-end event)
|
||
end-point (posn-point end))
|
||
(eq (posn-window end) start-window)
|
||
(integer-or-marker-p end-point))
|
||
;; Go to START-POINT first, so that when we move to END-POINT,
|
||
;; if it's in the middle of intangible text,
|
||
;; point jumps in the direction away from START-POINT.
|
||
(goto-char start-point)
|
||
(goto-char end-point)
|
||
(if (zerop (% click-count 3))
|
||
(setq end-of-range (point)))
|
||
(let ((range (mouse-start-end start-point (point) click-count)))
|
||
(move-overlay mouse-drag-overlay (car range) (nth 1 range))))
|
||
|
||
(if (consp event)
|
||
(let ((fun (key-binding (vector (car event)))))
|
||
;; Run the binding of the terminating up-event, if possible.
|
||
;; In the case of a multiple click, it gives the wrong results,
|
||
;; because it would fail to set up a region.
|
||
(if (not (= (overlay-start mouse-drag-overlay)
|
||
(overlay-end mouse-drag-overlay)))
|
||
(let* ((stop-point
|
||
(if (numberp (posn-point (event-end event)))
|
||
(posn-point (event-end event))
|
||
last-end-point))
|
||
;; The end that comes from where we ended the drag.
|
||
;; Point goes here.
|
||
(region-termination
|
||
(if (and stop-point (< stop-point start-point))
|
||
(overlay-start mouse-drag-overlay)
|
||
(overlay-end mouse-drag-overlay)))
|
||
;; The end that comes from where we started the drag.
|
||
;; Mark goes there.
|
||
(region-commencement
|
||
(- (+ (overlay-end mouse-drag-overlay)
|
||
(overlay-start mouse-drag-overlay))
|
||
region-termination))
|
||
last-command this-command)
|
||
(push-mark region-commencement t t)
|
||
(goto-char region-termination)
|
||
;; Don't let copy-region-as-kill set deactivate-mark.
|
||
(let (deactivate-mark)
|
||
(copy-region-as-kill (point) (mark t)))
|
||
(let ((buffer (current-buffer)))
|
||
(mouse-show-mark)
|
||
;; mouse-show-mark can call read-event,
|
||
;; and that means the Emacs server could switch buffers
|
||
;; under us. If that happened,
|
||
;; avoid trying to use the region.
|
||
(and (mark t) mark-active
|
||
(eq buffer (current-buffer))
|
||
(mouse-set-region-1))))
|
||
(delete-overlay mouse-drag-overlay)
|
||
;; Run the binding of the terminating up-event.
|
||
(when (and (functionp fun)
|
||
(= start-hscroll (window-hscroll start-window))
|
||
;; Don't run the up-event handler if the
|
||
;; window start changed in a redisplay after
|
||
;; the mouse-set-point for the down-mouse
|
||
;; event at the beginning of this function.
|
||
;; When the window start has changed, the
|
||
;; up-mouse event will contain a different
|
||
;; position due to the new window contents,
|
||
;; and point is set again.
|
||
(or end-point
|
||
(= (window-start start-window)
|
||
start-window-start)))
|
||
(setq unread-command-events
|
||
(cons event unread-command-events)))))
|
||
(delete-overlay mouse-drag-overlay)))))
|
||
|
||
;; 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))))
|
||
(cond ((string= syntax "w")
|
||
;; Here, we can't use skip-syntax-forward/backward because
|
||
;; they don't pay attention to word-separating-categories,
|
||
;; and thus they will skip over a true word boundary. So,
|
||
;; we simularte the original behaviour by using
|
||
;; forward-word.
|
||
(if (< dir 0)
|
||
(if (not (looking-at "\\<"))
|
||
(forward-word -1))
|
||
(if (or (looking-at "\\<") (not (looking-at "\\>")))
|
||
(forward-word 1))))
|
||
((string= syntax " ")
|
||
(if (< dir 0)
|
||
(skip-syntax-backward syntax)
|
||
(skip-syntax-forward syntax)))
|
||
((string= syntax "_")
|
||
(if (< dir 0)
|
||
(skip-syntax-backward "w_")
|
||
(skip-syntax-forward "w_")))
|
||
((< dir 0)
|
||
(while (and (not (bobp)) (= (preceding-char) char))
|
||
(forward-char -1)))
|
||
(t
|
||
(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)))
|
||
((and (= mode 1)
|
||
(= start end)
|
||
(char-after start)
|
||
(= (char-syntax (char-after start)) ?\"))
|
||
(let ((open (or (eq start (point-min))
|
||
(save-excursion
|
||
(goto-char (- start 1))
|
||
(looking-at "\\s(\\|\\s \\|\\s>")))))
|
||
(if open
|
||
(list start
|
||
(save-excursion
|
||
(condition-case nil
|
||
(progn
|
||
(goto-char start)
|
||
(forward-sexp 1)
|
||
(point))
|
||
(error end))))
|
||
(list (save-excursion
|
||
(condition-case nil
|
||
(progn
|
||
(goto-char (1+ start))
|
||
(backward-sexp 1)
|
||
(point))
|
||
(error end)))
|
||
(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))))))
|
||
|
||
;; 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))
|
||
(push-mark (posn-point posn) t t))))
|
||
|
||
(defun mouse-undouble-last-event (events)
|
||
(let* ((index (1- (length events)))
|
||
(last (nthcdr index events))
|
||
(event (car last))
|
||
(basic (event-basic-type event))
|
||
(old-modifiers (event-modifiers event))
|
||
(modifiers (delq 'double (delq 'triple (copy-sequence old-modifiers))))
|
||
(new
|
||
(if (consp event)
|
||
;; Use reverse, not nreverse, since event-modifiers
|
||
;; does not copy the list it returns.
|
||
(cons (event-convert-list (reverse (cons basic modifiers)))
|
||
(cdr event))
|
||
event)))
|
||
(setcar last new)
|
||
(if (and (not (equal modifiers old-modifiers))
|
||
(key-binding (apply 'vector events)))
|
||
t
|
||
(setcar last event)
|
||
nil)))
|
||
|
||
;; Momentarily show where the mark is, if highlighting doesn't show it.
|
||
|
||
(defvar mouse-region-delete-keys '([delete])
|
||
"List of keys which shall cause the mouse region to be deleted.")
|
||
|
||
(defun mouse-show-mark ()
|
||
(if transient-mark-mode
|
||
(delete-overlay mouse-drag-overlay)
|
||
(if (not (display-graphic-p))
|
||
(save-excursion
|
||
(goto-char (mark t))
|
||
(sit-for 1))
|
||
(let ((inhibit-quit t)
|
||
(echo-keystrokes 0)
|
||
event events key ignore
|
||
x-lost-selection-hooks)
|
||
(add-hook 'x-lost-selection-hooks
|
||
(lambda (seltype)
|
||
(if (eq seltype 'PRIMARY)
|
||
(progn (setq ignore t)
|
||
(throw 'mouse-show-mark t)))))
|
||
(move-overlay mouse-drag-overlay (point) (mark t))
|
||
(catch 'mouse-show-mark
|
||
;; In this loop, execute scroll bar and switch-frame events.
|
||
;; Also ignore down-events that are undefined.
|
||
(while (progn (setq event (read-event))
|
||
(setq events (append events (list event)))
|
||
(setq key (apply 'vector events))
|
||
(or (and (consp event)
|
||
(eq (car event) 'switch-frame))
|
||
(and (consp event)
|
||
(eq (posn-point (event-end event))
|
||
'vertical-scroll-bar))
|
||
(and (memq 'down (event-modifiers event))
|
||
(not (key-binding key))
|
||
(not (mouse-undouble-last-event events))
|
||
(not (member key mouse-region-delete-keys)))))
|
||
(and (consp event)
|
||
(or (eq (car event) 'switch-frame)
|
||
(eq (posn-point (event-end event))
|
||
'vertical-scroll-bar))
|
||
(let ((keys (vector 'vertical-scroll-bar event)))
|
||
(and (key-binding keys)
|
||
(progn
|
||
(call-interactively (key-binding keys)
|
||
nil keys)
|
||
(setq events nil)))))))
|
||
;; If we lost the selection, just turn off the highlighting.
|
||
(if ignore
|
||
nil
|
||
;; For certain special keys, delete the region.
|
||
(if (member key mouse-region-delete-keys)
|
||
(delete-region (overlay-start mouse-drag-overlay)
|
||
(overlay-end mouse-drag-overlay))
|
||
;; Otherwise, unread the key so it gets executed normally.
|
||
(setq unread-command-events
|
||
(nconc events unread-command-events))))
|
||
(setq quit-flag nil)
|
||
(delete-overlay mouse-drag-overlay)))))
|
||
|
||
(defun mouse-set-mark (click)
|
||
"Set mark at the position clicked on with the mouse.
|
||
Display cursor at that position for a second.
|
||
This must be bound to a mouse click."
|
||
(interactive "e")
|
||
(mouse-minibuffer-check click)
|
||
(select-window (posn-window (event-start click)))
|
||
;; We don't use save-excursion because that preserves the mark too.
|
||
(let ((point-save (point)))
|
||
(unwind-protect
|
||
(progn (mouse-set-point click)
|
||
(push-mark nil t t)
|
||
(or transient-mark-mode
|
||
(sit-for 1)))
|
||
(goto-char point-save))))
|
||
|
||
(defun mouse-kill (click)
|
||
"Kill the region between point and the mouse click.
|
||
The text is saved in the kill ring, as with \\[kill-region]."
|
||
(interactive "e")
|
||
(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.
|
||
Also move point to one end of the text thus inserted (normally the end),
|
||
and set mark at the beginning..
|
||
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")
|
||
;; Give temporary modes such as isearch a chance to turn off.
|
||
(run-hooks 'mouse-leave-buffer-hook)
|
||
(or mouse-yank-at-point (mouse-set-point click))
|
||
(setq this-command 'yank)
|
||
(setq mouse-selection-click-count 0)
|
||
(yank arg))
|
||
|
||
(defun mouse-kill-ring-save (click)
|
||
"Copy the region between point and the mouse click in the kill ring.
|
||
This does not delete the region; it acts like \\[kill-ring-save]."
|
||
(interactive "e")
|
||
(mouse-set-mark-fast click)
|
||
(let (this-command last-command)
|
||
(kill-ring-save (point) (mark t)))
|
||
(mouse-show-mark))
|
||
|
||
;;; This function used to delete the text between point and the mouse
|
||
;;; whenever it was equal to the front of the kill ring, but some
|
||
;;; people found that confusing.
|
||
|
||
;;; A list (TEXT START END), describing the text and position of the last
|
||
;;; 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.
|
||
(let (before-change-functions after-change-functions)
|
||
(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!
|
||
(let (before-change-functions after-change-functions)
|
||
(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.
|
||
|
||
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")
|
||
(let ((before-scroll
|
||
(with-current-buffer (window-buffer (posn-window (event-start click)))
|
||
point-before-scroll)))
|
||
(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 (save-excursion
|
||
(set-buffer (window-buffer (posn-window (event-start click))))
|
||
(and (mark t) (> (mod mouse-selection-click-count 3) 0)
|
||
;; Don't be fooled by a recent click in some other buffer.
|
||
(eq mouse-selection-click-count-buffer
|
||
(current-buffer)))))
|
||
(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.)
|
||
(kill-new (buffer-substring (point) (mark t)) t)
|
||
(mouse-set-region-1)
|
||
;; 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 (mark) (point))
|
||
(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))
|
||
;; This is not a repetition.
|
||
;; We are adjusting an old selection or creating a new one.
|
||
(if (or (and (eq last-command 'mouse-save-then-kill)
|
||
mouse-save-then-kill-posn)
|
||
(and mark-active transient-mark-mode)
|
||
(and (memq last-command
|
||
'(mouse-drag-region mouse-set-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)))
|
||
(kill-new (buffer-substring (point) (mark t)) t)
|
||
(mouse-show-mark))
|
||
;; Set the mark where point is, then move where clicked.
|
||
(mouse-set-mark-fast click)
|
||
(if before-scroll
|
||
(goto-char before-scroll))
|
||
(exchange-point-and-mark)
|
||
(kill-new (buffer-substring (point) (mark t)))
|
||
(mouse-show-mark))
|
||
(mouse-set-region-1)
|
||
(setq mouse-save-then-kill-posn
|
||
(list (car kill-ring) (point) click-posn)))))))
|
||
|
||
(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-yank-secondary)
|
||
|
||
;; An overlay which records the current secondary selection
|
||
;; or else is deleted when there is no secondary selection.
|
||
;; May be nil.
|
||
(defvar mouse-secondary-overlay nil)
|
||
|
||
(defvar mouse-secondary-click-count 0)
|
||
|
||
;; A marker which records the specified first end for a secondary selection.
|
||
;; May be nil.
|
||
(defvar mouse-secondary-start nil)
|
||
|
||
(defun mouse-start-secondary (click)
|
||
"Set one end of the secondary selection to the position clicked on.
|
||
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)))
|
||
;; Cancel any preexisting secondary selection.
|
||
(if mouse-secondary-overlay
|
||
(delete-overlay mouse-secondary-overlay))
|
||
(if (numberp (posn-point posn))
|
||
(progn
|
||
(or mouse-secondary-start
|
||
(setq mouse-secondary-start (make-marker)))
|
||
(move-marker mouse-secondary-start (posn-point posn)))))))
|
||
|
||
(defun mouse-set-secondary (click)
|
||
"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)))
|
||
(save-excursion
|
||
(set-buffer (window-buffer (posn-window posn)))
|
||
(if (numberp (posn-point posn))
|
||
(setq beg (posn-point posn)))
|
||
(if mouse-secondary-overlay
|
||
(move-overlay mouse-secondary-overlay beg (posn-point end))
|
||
(setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
|
||
(overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
|
||
|
||
(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.
|
||
The function returns a non-nil value if it creates a secondary selection."
|
||
(interactive "e")
|
||
(mouse-minibuffer-check start-event)
|
||
(let* ((echo-keystrokes 0)
|
||
(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-secondary-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
|
||
;; Are we moving within the original window?
|
||
((and (eq (posn-window end) start-window)
|
||
(integer-or-marker-p end-point))
|
||
(let ((range (mouse-start-end start-point end-point
|
||
click-count)))
|
||
(if (or (/= start-point end-point)
|
||
(null (marker-position mouse-secondary-start)))
|
||
(progn
|
||
(set-marker mouse-secondary-start nil)
|
||
(move-overlay mouse-secondary-overlay
|
||
(car range) (nth 1 range))))))
|
||
(t
|
||
(let ((mouse-row (cdr (cdr (mouse-position)))))
|
||
(cond
|
||
((null mouse-row))
|
||
((< mouse-row top)
|
||
(mouse-scroll-subr start-window (- mouse-row top)
|
||
mouse-secondary-overlay start-point))
|
||
((>= mouse-row bottom)
|
||
(mouse-scroll-subr start-window (1+ (- mouse-row bottom))
|
||
mouse-secondary-overlay start-point)))))))))
|
||
|
||
(if (consp 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)
|
||
nil))
|
||
(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")
|
||
;; Give temporary modes such as isearch a chance to turn off.
|
||
(run-hooks 'mouse-leave-buffer-hook)
|
||
(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.
|
||
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")))
|
||
(let (this-command)
|
||
(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 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 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")
|
||
(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))
|
||
(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-secondary-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-secondary-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.)
|
||
(kill-new (buffer-substring
|
||
(overlay-start mouse-secondary-overlay)
|
||
(overlay-end mouse-secondary-overlay)) t)
|
||
;; 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-secondary-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)))
|
||
(if (eq last-command 'mouse-secondary-save-then-kill)
|
||
;; If the front of the kill ring comes from
|
||
;; an immediately previous use of this command,
|
||
;; replace it with the extended region.
|
||
;; (It would be annoying to make a separate entry.)
|
||
(kill-new (buffer-substring
|
||
(overlay-start mouse-secondary-overlay)
|
||
(overlay-end mouse-secondary-overlay)) t)
|
||
(let (deactivate-mark)
|
||
(copy-region-as-kill (overlay-start mouse-secondary-overlay)
|
||
(overlay-end mouse-secondary-overlay)))))
|
||
(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))))
|
||
(if (overlay-buffer mouse-secondary-overlay)
|
||
(x-set-selection 'SECONDARY
|
||
(buffer-substring
|
||
(overlay-start mouse-secondary-overlay)
|
||
(overlay-end mouse-secondary-overlay)))))))
|
||
|
||
(defcustom mouse-buffer-menu-maxlen 20
|
||
"*Number of buffers in one pane (submenu) of the buffer menu.
|
||
If we have lots of buffers, divide them into groups of
|
||
`mouse-buffer-menu-maxlen' and make a pane (or submenu) for each one."
|
||
:type 'integer
|
||
:group 'mouse)
|
||
|
||
(defcustom mouse-buffer-menu-mode-mult 4
|
||
"*Group the buffers by the major mode groups on \\[mouse-buffer-menu]?
|
||
This number which determines (in a hairy way) whether \\[mouse-buffer-menu]
|
||
will split the buffer menu by the major modes (see
|
||
`mouse-buffer-menu-mode-groups') or just by menu length.
|
||
Set to 1 (or even 0!) if you want to group by major mode always, and to
|
||
a large number if you prefer a mixed multitude. The default is 4."
|
||
:type 'integer
|
||
:group 'mouse
|
||
:version "20.3")
|
||
|
||
(defvar mouse-buffer-menu-mode-groups
|
||
'(("Info\\|Help\\|Apropos\\|Man" . "Help")
|
||
("\\bVM\\b\\|\\bMH\\b\\|Message\\|Mail\\|Group\\|Score\\|Summary\\|Article"
|
||
. "Mail/News")
|
||
("\\<C\\>" . "C")
|
||
("ObjC" . "C")
|
||
("Text" . "Text")
|
||
("Outline" . "Text")
|
||
("\\(HT\\|SG\\|X\\|XHT\\)ML" . "SGML")
|
||
("log\\|diff\\|vc\\|cvs" . "Version Control") ; "Change Management"?
|
||
("Lisp" . "Lisp"))
|
||
"How to group various major modes together in \\[mouse-buffer-menu].
|
||
Each element has the form (REGEXP . GROUPNAME).
|
||
If the major mode's name string matches REGEXP, use GROUPNAME instead.")
|
||
|
||
(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 ((buffers (buffer-list)) alist menu split-by-major-mode sum-of-squares)
|
||
;; Make an alist of elements that look like (MENU-ITEM . BUFFER).
|
||
(let ((tail buffers))
|
||
(while tail
|
||
;; Divide all buffers into buckets for various major modes.
|
||
;; Each bucket looks like (MODE NAMESTRING BUFFERS...).
|
||
(with-current-buffer (car tail)
|
||
(let* ((adjusted-major-mode major-mode) elt)
|
||
(let ((tail mouse-buffer-menu-mode-groups))
|
||
(while tail
|
||
(if (string-match (car (car tail)) mode-name)
|
||
(setq adjusted-major-mode (cdr (car tail))))
|
||
(setq tail (cdr tail))))
|
||
(setq elt (assoc adjusted-major-mode split-by-major-mode))
|
||
(if (null elt)
|
||
(setq elt (list adjusted-major-mode
|
||
(if (stringp adjusted-major-mode)
|
||
adjusted-major-mode
|
||
mode-name))
|
||
split-by-major-mode (cons elt split-by-major-mode)))
|
||
(or (memq (car tail) (cdr (cdr elt)))
|
||
(setcdr (cdr elt) (cons (car tail) (cdr (cdr elt)))))))
|
||
(setq tail (cdr tail))))
|
||
;; Compute the sum of squares of sizes of the major-mode buckets.
|
||
(let ((tail split-by-major-mode))
|
||
(setq sum-of-squares 0)
|
||
(while tail
|
||
(setq sum-of-squares
|
||
(+ sum-of-squares
|
||
(let ((len (length (cdr (cdr (car tail)))))) (* len len))))
|
||
(setq tail (cdr tail))))
|
||
(if (< (* sum-of-squares mouse-buffer-menu-mode-mult)
|
||
(* (length buffers) (length buffers)))
|
||
;; Subdividing by major modes really helps, so let's do it.
|
||
(let (subdivided-menus (buffers-left (length buffers)))
|
||
;; Sort the list to put the most popular major modes first.
|
||
(setq split-by-major-mode
|
||
(sort split-by-major-mode
|
||
(function (lambda (elt1 elt2)
|
||
(> (length elt1) (length elt2))))))
|
||
;; Make a separate submenu for each major mode
|
||
;; that has more than one buffer,
|
||
;; unless all the remaining buffers are less than 1/10 of them.
|
||
(while (and split-by-major-mode
|
||
(and (> (length (car split-by-major-mode)) 3)
|
||
(> (* buffers-left 10) (length buffers))))
|
||
(let ((this-mode-list (mouse-buffer-menu-alist
|
||
(cdr (cdr (car split-by-major-mode))))))
|
||
(and this-mode-list
|
||
(setq subdivided-menus
|
||
(cons (cons
|
||
(nth 1 (car split-by-major-mode))
|
||
this-mode-list)
|
||
subdivided-menus))))
|
||
(setq buffers-left
|
||
(- buffers-left (length (cdr (car split-by-major-mode)))))
|
||
(setq split-by-major-mode (cdr split-by-major-mode)))
|
||
;; If any major modes are left over,
|
||
;; make a single submenu for them.
|
||
(if split-by-major-mode
|
||
(let ((others-list
|
||
(mouse-buffer-menu-alist
|
||
;; we don't need split-by-major-mode any more,
|
||
;; so we can ditch it with nconc.
|
||
(apply 'nconc (mapcar 'cddr split-by-major-mode)))))
|
||
(and others-list
|
||
(setq subdivided-menus
|
||
(cons (cons "Others" others-list)
|
||
subdivided-menus)))))
|
||
(setq menu (cons "Buffer Menu" (nreverse subdivided-menus))))
|
||
(progn
|
||
(setq alist (mouse-buffer-menu-alist buffers))
|
||
(setq menu (cons "Buffer Menu"
|
||
(mouse-buffer-menu-split "Select Buffer" alist)))))
|
||
(let ((buf (x-popup-menu event menu))
|
||
(window (posn-window (event-start event))))
|
||
(when buf
|
||
(select-window
|
||
(if (framep window) (frame-selected-window window)
|
||
window))
|
||
(switch-to-buffer buf)))))
|
||
|
||
(defun mouse-buffer-menu-alist (buffers)
|
||
(let (tail
|
||
(maxlen 0)
|
||
head)
|
||
(setq buffers
|
||
(sort buffers
|
||
(function (lambda (elt1 elt2)
|
||
(string< (buffer-name elt1) (buffer-name elt2))))))
|
||
(setq tail buffers)
|
||
(while tail
|
||
(or (eq ?\ (aref (buffer-name (car tail)) 0))
|
||
(setq maxlen
|
||
(max maxlen
|
||
(length (buffer-name (car tail))))))
|
||
(setq tail (cdr tail)))
|
||
(setq tail buffers)
|
||
(while tail
|
||
(let ((elt (car tail)))
|
||
(if (/= (aref (buffer-name elt) 0) ?\ )
|
||
(setq head
|
||
(cons
|
||
(cons
|
||
(format
|
||
(format "%%%ds %%s%%s %%s" maxlen)
|
||
(buffer-name elt)
|
||
(if (buffer-modified-p elt) "*" " ")
|
||
(save-excursion
|
||
(set-buffer elt)
|
||
(if buffer-read-only "%" " "))
|
||
(or (buffer-file-name elt)
|
||
(save-excursion
|
||
(set-buffer elt)
|
||
(if list-buffers-directory
|
||
(expand-file-name
|
||
list-buffers-directory)))
|
||
""))
|
||
elt)
|
||
head))))
|
||
(setq tail (cdr tail)))
|
||
;; Compensate for the reversal that the above loop does.
|
||
(nreverse head)))
|
||
|
||
(defun mouse-buffer-menu-split (title alist)
|
||
;; If we have lots of buffers, divide them into groups of 20
|
||
;; and make a pane (or submenu) for each one.
|
||
(if (> (length alist) (/ (* mouse-buffer-menu-maxlen 3) 2))
|
||
(let ((alist alist) sublists next
|
||
(i 1))
|
||
(while alist
|
||
;; Pull off the next mouse-buffer-menu-maxlen buffers
|
||
;; and make them the next element of sublist.
|
||
(setq next (nthcdr mouse-buffer-menu-maxlen alist))
|
||
(if next
|
||
(setcdr (nthcdr (1- mouse-buffer-menu-maxlen) alist)
|
||
nil))
|
||
(setq sublists (cons (cons (format "Buffers %d" i) alist)
|
||
sublists))
|
||
(setq i (1+ i))
|
||
(setq alist next))
|
||
(nreverse sublists))
|
||
;; Few buffers--put them all in one pane.
|
||
(list (cons title alist))))
|
||
|
||
;;; These need to be rewritten for the new scroll bar implementation.
|
||
|
||
;;;!! ;; Commands for the scroll bar.
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-down (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (scroll-down (1+ (cdr (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-up (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (scroll-up (1+ (cdr (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-down-full ()
|
||
;;;!! (interactive "@")
|
||
;;;!! (scroll-down nil))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-up-full ()
|
||
;;;!! (interactive "@")
|
||
;;;!! (scroll-up nil))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-move-cursor (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (move-to-window-line (1+ (cdr (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-absolute (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (let* ((pos (car event))
|
||
;;;!! (position (car pos))
|
||
;;;!! (length (car (cdr pos))))
|
||
;;;!! (if (<= length 0) (setq length 1))
|
||
;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
|
||
;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor)
|
||
;;;!! position)
|
||
;;;!! length)
|
||
;;;!! scale-factor)))
|
||
;;;!! (goto-char newpos)
|
||
;;;!! (recenter '(4)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-left (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (scroll-left (1+ (car (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-right (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (scroll-right (1+ (car (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-left-full ()
|
||
;;;!! (interactive "@")
|
||
;;;!! (scroll-left nil))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-right-full ()
|
||
;;;!! (interactive "@")
|
||
;;;!! (scroll-right nil))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-move-cursor-horizontally (click)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (move-to-column (1+ (car (mouse-coords click)))))
|
||
;;;!!
|
||
;;;!! (defun mouse-scroll-absolute-horizontally (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (let* ((pos (car event))
|
||
;;;!! (position (car pos))
|
||
;;;!! (length (car (cdr pos))))
|
||
;;;!! (set-window-hscroll (selected-window) 33)))
|
||
;;;!!
|
||
;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
|
||
;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
|
||
;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
|
||
;;;!!
|
||
;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
|
||
;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
|
||
;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
|
||
;;;!!
|
||
;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
|
||
;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
|
||
;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
|
||
;;;!!
|
||
;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
|
||
;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
|
||
;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
|
||
;;;!!
|
||
;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
|
||
;;;!! (global-set-key [horizontal-scroll-bar mouse-2]
|
||
;;;!! 'mouse-scroll-absolute-horizontally)
|
||
;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
|
||
;;;!!
|
||
;;;!! (global-set-key [horizontal-slider mouse-1]
|
||
;;;!! 'mouse-scroll-move-cursor-horizontally)
|
||
;;;!! (global-set-key [horizontal-slider mouse-2]
|
||
;;;!! 'mouse-scroll-move-cursor-horizontally)
|
||
;;;!! (global-set-key [horizontal-slider mouse-3]
|
||
;;;!! 'mouse-scroll-move-cursor-horizontally)
|
||
;;;!!
|
||
;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
|
||
;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
|
||
;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
|
||
;;;!!
|
||
;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
|
||
;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
|
||
;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
|
||
;;;!!
|
||
;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2]
|
||
;;;!! 'mouse-split-window-horizontally)
|
||
;;;!! (global-set-key [mode-line S-mouse-2]
|
||
;;;!! 'mouse-split-window-horizontally)
|
||
;;;!! (global-set-key [vertical-scroll-bar S-mouse-2]
|
||
;;;!! 'mouse-split-window)
|
||
|
||
;;;!! ;;;;
|
||
;;;!! ;;;; Here are experimental things being tested. Mouse events
|
||
;;;!! ;;;; are of the form:
|
||
;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
|
||
;;;!! ;;
|
||
;;;!! ;;;;
|
||
;;;!! ;;;; Dynamically track mouse coordinates
|
||
;;;!! ;;;;
|
||
;;;!! ;;
|
||
;;;!! ;;(defun track-mouse (event)
|
||
;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
|
||
;;;!! ;; (interactive "@e")
|
||
;;;!! ;; (while mouse-grabbed
|
||
;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
|
||
;;;!! ;; (abs-x (car pos))
|
||
;;;!! ;; (abs-y (cdr pos))
|
||
;;;!! ;; (relative-coordinate (coordinates-in-window-p
|
||
;;;!! ;; (list (car pos) (cdr pos))
|
||
;;;!! ;; (selected-window))))
|
||
;;;!! ;; (if (consp relative-coordinate)
|
||
;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
|
||
;;;!! ;; (car relative-coordinate)
|
||
;;;!! ;; (car (cdr relative-coordinate)))
|
||
;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
|
||
;;;!!
|
||
;;;!! ;;
|
||
;;;!! ;; Dynamically put a box around the line indicated by point
|
||
;;;!! ;;
|
||
;;;!! ;;
|
||
;;;!! ;;(require 'backquote)
|
||
;;;!! ;;
|
||
;;;!! ;;(defun mouse-select-buffer-line (event)
|
||
;;;!! ;; (interactive "@e")
|
||
;;;!! ;; (let ((relative-coordinate
|
||
;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
|
||
;;;!! ;; (abs-y (car (cdr (car event)))))
|
||
;;;!! ;; (if (consp relative-coordinate)
|
||
;;;!! ;; (progn
|
||
;;;!! ;; (save-excursion
|
||
;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
|
||
;;;!! ;; (x-draw-rectangle
|
||
;;;!! ;; (selected-screen)
|
||
;;;!! ;; abs-y 0
|
||
;;;!! ;; (save-excursion
|
||
;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
|
||
;;;!! ;; (end-of-line)
|
||
;;;!! ;; (push-mark nil t)
|
||
;;;!! ;; (beginning-of-line)
|
||
;;;!! ;; (- (region-end) (region-beginning))) 1))
|
||
;;;!! ;; (sit-for 1)
|
||
;;;!! ;; (x-erase-rectangle (selected-screen))))))
|
||
;;;!! ;;
|
||
;;;!! ;;(defvar last-line-drawn nil)
|
||
;;;!! ;;(defvar begin-delim "[^ \t]")
|
||
;;;!! ;;(defvar end-delim "[^ \t]")
|
||
;;;!! ;;
|
||
;;;!! ;;(defun mouse-boxing (event)
|
||
;;;!! ;; (interactive "@e")
|
||
;;;!! ;; (save-excursion
|
||
;;;!! ;; (let ((screen (selected-screen)))
|
||
;;;!! ;; (while (= (x-mouse-events) 0)
|
||
;;;!! ;; (let* ((pos (read-mouse-position screen))
|
||
;;;!! ;; (abs-x (car pos))
|
||
;;;!! ;; (abs-y (cdr pos))
|
||
;;;!! ;; (relative-coordinate
|
||
;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
|
||
;;;!! ;; (selected-window)))
|
||
;;;!! ;; (begin-reg nil)
|
||
;;;!! ;; (end-reg nil)
|
||
;;;!! ;; (end-column nil)
|
||
;;;!! ;; (begin-column nil))
|
||
;;;!! ;; (if (and (consp relative-coordinate)
|
||
;;;!! ;; (or (not last-line-drawn)
|
||
;;;!! ;; (not (= last-line-drawn abs-y))))
|
||
;;;!! ;; (progn
|
||
;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
|
||
;;;!! ;; (if (= (following-char) 10)
|
||
;;;!! ;; ()
|
||
;;;!! ;; (progn
|
||
;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
|
||
;;;!! ;; (setq begin-column (1- (current-column)))
|
||
;;;!! ;; (end-of-line)
|
||
;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
|
||
;;;!! ;; (setq end-column (1+ (current-column)))
|
||
;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
|
||
;;;!! ;; (x-draw-rectangle screen
|
||
;;;!! ;; (setq last-line-drawn abs-y)
|
||
;;;!! ;; begin-column
|
||
;;;!! ;; (- end-column begin-column) 1))))))))))
|
||
;;;!! ;;
|
||
;;;!! ;;(defun mouse-erase-box ()
|
||
;;;!! ;; (interactive)
|
||
;;;!! ;; (if last-line-drawn
|
||
;;;!! ;; (progn
|
||
;;;!! ;; (x-erase-rectangle (selected-screen))
|
||
;;;!! ;; (setq last-line-drawn nil))))
|
||
;;;!!
|
||
;;;!! ;;; (defun test-x-rectangle ()
|
||
;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
|
||
;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
|
||
;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
|
||
;;;!!
|
||
;;;!! ;;
|
||
;;;!! ;; Here is how to do double clicking in lisp. About to change.
|
||
;;;!! ;;
|
||
;;;!!
|
||
;;;!! (defvar double-start nil)
|
||
;;;!! (defconst double-click-interval 300
|
||
;;;!! "Max ticks between clicks")
|
||
;;;!!
|
||
;;;!! (defun double-down (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (if double-start
|
||
;;;!! (let ((interval (- (nth 4 event) double-start)))
|
||
;;;!! (if (< interval double-click-interval)
|
||
;;;!! (progn
|
||
;;;!! (backward-up-list 1)
|
||
;;;!! ;; (message "Interval %d" interval)
|
||
;;;!! (sleep-for 1)))
|
||
;;;!! (setq double-start nil))
|
||
;;;!! (setq double-start (nth 4 event))))
|
||
;;;!!
|
||
;;;!! (defun double-up (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (and double-start
|
||
;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
|
||
;;;!! (setq double-start nil)))
|
||
;;;!!
|
||
;;;!! ;;; (defun x-test-doubleclick ()
|
||
;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
|
||
;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
|
||
;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
|
||
;;;!!
|
||
;;;!! ;;
|
||
;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
|
||
;;;!! ;;
|
||
;;;!!
|
||
;;;!! (defvar scrolled-lines 0)
|
||
;;;!! (defconst scroll-speed 1)
|
||
;;;!!
|
||
;;;!! (defun incr-scroll-down (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (setq scrolled-lines 0)
|
||
;;;!! (incremental-scroll scroll-speed))
|
||
;;;!!
|
||
;;;!! (defun incr-scroll-up (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (setq scrolled-lines 0)
|
||
;;;!! (incremental-scroll (- scroll-speed)))
|
||
;;;!!
|
||
;;;!! (defun incremental-scroll (n)
|
||
;;;!! (while (= (x-mouse-events) 0)
|
||
;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
|
||
;;;!! (scroll-down n)
|
||
;;;!! (sit-for 300 t)))
|
||
;;;!!
|
||
;;;!! (defun incr-scroll-stop (event)
|
||
;;;!! (interactive "@e")
|
||
;;;!! (message "Scrolled %d lines" scrolled-lines)
|
||
;;;!! (setq scrolled-lines 0)
|
||
;;;!! (sleep-for 1))
|
||
;;;!!
|
||
;;;!! ;;; (defun x-testing-scroll ()
|
||
;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
|
||
;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
|
||
;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
|
||
;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
|
||
;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
|
||
;;;!!
|
||
;;;!! ;;
|
||
;;;!! ;; Some playthings suitable for picture mode? They need work.
|
||
;;;!! ;;
|
||
;;;!!
|
||
;;;!! (defun mouse-kill-rectangle (event)
|
||
;;;!! "Kill the rectangle between point and the mouse cursor."
|
||
;;;!! (interactive "@e")
|
||
;;;!! (let ((point-save (point)))
|
||
;;;!! (save-excursion
|
||
;;;!! (mouse-set-point event)
|
||
;;;!! (push-mark nil t)
|
||
;;;!! (if (> point-save (point))
|
||
;;;!! (kill-rectangle (point) point-save)
|
||
;;;!! (kill-rectangle point-save (point))))))
|
||
;;;!!
|
||
;;;!! (defun mouse-open-rectangle (event)
|
||
;;;!! "Kill the rectangle between point and the mouse cursor."
|
||
;;;!! (interactive "@e")
|
||
;;;!! (let ((point-save (point)))
|
||
;;;!! (save-excursion
|
||
;;;!! (mouse-set-point event)
|
||
;;;!! (push-mark nil t)
|
||
;;;!! (if (> point-save (point))
|
||
;;;!! (open-rectangle (point) point-save)
|
||
;;;!! (open-rectangle point-save (point))))))
|
||
;;;!!
|
||
;;;!! ;; Must be a better way to do this.
|
||
;;;!!
|
||
;;;!! (defun mouse-multiple-insert (n char)
|
||
;;;!! (while (> n 0)
|
||
;;;!! (insert char)
|
||
;;;!! (setq n (1- n))))
|
||
;;;!!
|
||
;;;!! ;; What this could do is not finalize until button was released.
|
||
;;;!!
|
||
;;;!! (defun mouse-move-text (event)
|
||
;;;!! "Move text from point to cursor position, inserting spaces."
|
||
;;;!! (interactive "@e")
|
||
;;;!! (let* ((relative-coordinate
|
||
;;;!! (coordinates-in-window-p (car event) (selected-window))))
|
||
;;;!! (if (consp relative-coordinate)
|
||
;;;!! (cond ((> (current-column) (car relative-coordinate))
|
||
;;;!! (delete-char
|
||
;;;!! (- (car relative-coordinate) (current-column))))
|
||
;;;!! ((< (current-column) (car relative-coordinate))
|
||
;;;!! (mouse-multiple-insert
|
||
;;;!! (- (car relative-coordinate) (current-column)) " "))
|
||
;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
|
||
|
||
;; Choose a completion with the mouse.
|
||
|
||
(defun mouse-choose-completion (event)
|
||
"Click on an alternative in the `*Completions*' buffer to choose it."
|
||
(interactive "e")
|
||
;; Give temporary modes such as isearch a chance to turn off.
|
||
(run-hooks 'mouse-leave-buffer-hook)
|
||
(let ((buffer (window-buffer))
|
||
choice
|
||
base-size)
|
||
(save-excursion
|
||
(set-buffer (window-buffer (posn-window (event-start event))))
|
||
(if completion-reference-buffer
|
||
(setq buffer completion-reference-buffer))
|
||
(setq base-size completion-base-size)
|
||
(save-excursion
|
||
(goto-char (posn-point (event-start event)))
|
||
(let (beg end)
|
||
(if (and (not (eobp)) (get-text-property (point) 'mouse-face))
|
||
(setq end (point) beg (1+ (point))))
|
||
(if (null beg)
|
||
(error "No completion here"))
|
||
(setq beg (previous-single-property-change beg 'mouse-face))
|
||
(setq end (or (next-single-property-change end 'mouse-face)
|
||
(point-max)))
|
||
(setq choice (buffer-substring beg end)))))
|
||
(let ((owindow (selected-window)))
|
||
(select-window (posn-window (event-start event)))
|
||
(if (and (one-window-p t 'selected-frame)
|
||
(window-dedicated-p (selected-window)))
|
||
;; This is a special buffer's frame
|
||
(iconify-frame (selected-frame))
|
||
(or (window-dedicated-p (selected-window))
|
||
(bury-buffer)))
|
||
(select-window owindow))
|
||
(choose-completion-string choice buffer base-size)))
|
||
|
||
;; Font selection.
|
||
|
||
(defun font-menu-add-default ()
|
||
(let* ((default (cdr (assq 'font (frame-parameters (selected-frame)))))
|
||
(font-alist x-fixed-font-alist)
|
||
(elt (or (assoc "Misc" font-alist) (nth 1 font-alist))))
|
||
(if (assoc "Default" elt)
|
||
(delete (assoc "Default" elt) elt))
|
||
(setcdr elt
|
||
(cons (list "Default" default)
|
||
(cdr elt)))))
|
||
|
||
(defvar x-fixed-font-alist
|
||
'("Font menu"
|
||
("Misc"
|
||
;; For these, we specify the pixel height and width.
|
||
("fixed" "fixed")
|
||
("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10")
|
||
("6x12"
|
||
"-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12")
|
||
("6x13"
|
||
"-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13")
|
||
("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13")
|
||
("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14")
|
||
("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13")
|
||
("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15")
|
||
("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20")
|
||
("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18")
|
||
("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24")
|
||
("")
|
||
("clean 5x8"
|
||
"-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1")
|
||
("clean 6x8"
|
||
"-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1")
|
||
("clean 8x8"
|
||
"-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1")
|
||
("clean 8x10"
|
||
"-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1")
|
||
("clean 8x14"
|
||
"-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1")
|
||
("clean 8x16"
|
||
"-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
|
||
("")
|
||
("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1")
|
||
;;; We don't seem to have these; who knows what they are.
|
||
;;; ("fg-18" "fg-18")
|
||
;;; ("fg-25" "fg-25")
|
||
("lucidasanstypewriter-12" "-b&h-lucidatypewriter-medium-r-normal-sans-*-120-*-*-*-*-iso8859-1")
|
||
("lucidasanstypewriter-bold-14" "-b&h-lucidatypewriter-bold-r-normal-sans-*-140-*-*-*-*-iso8859-1")
|
||
("lucidasanstypewriter-bold-24"
|
||
"-b&h-lucidatypewriter-bold-r-normal-sans-*-240-*-*-*-*-iso8859-1")
|
||
;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
|
||
;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
|
||
)
|
||
("Courier"
|
||
;; For these, we specify the point height.
|
||
("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
|
||
("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1")
|
||
("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1")
|
||
("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1")
|
||
("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1")
|
||
("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1")
|
||
("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1")
|
||
("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1")
|
||
("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1")
|
||
("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1")
|
||
("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1")
|
||
("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1")
|
||
("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1")
|
||
("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1")
|
||
("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1")
|
||
("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1")
|
||
("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1")
|
||
("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1")
|
||
("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1")
|
||
("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1")
|
||
("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1")
|
||
("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1")
|
||
("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1")
|
||
("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1"))
|
||
)
|
||
"X fonts suitable for use in Emacs.")
|
||
|
||
(defun mouse-set-font (&rest fonts)
|
||
"Select an emacs font from a list of known good fonts and fontsets."
|
||
(interactive
|
||
(x-popup-menu
|
||
last-nonmenu-event
|
||
;; Append list of fontsets currently defined.
|
||
(append x-fixed-font-alist (list (generate-fontset-menu)))))
|
||
(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")))))
|
||
|
||
;;; Bindings for mouse commands.
|
||
|
||
(define-key global-map [down-mouse-1] 'mouse-drag-region)
|
||
(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)
|
||
|
||
;; By binding these to down-going events, we let the user use the up-going
|
||
;; event to make the selection, saving a click.
|
||
(global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
|
||
(if (not (eq system-type 'ms-dos))
|
||
(global-set-key [S-down-mouse-1] 'mouse-set-font))
|
||
;; C-down-mouse-2 is bound in facemenu.el.
|
||
(global-set-key [C-down-mouse-3] 'mouse-popup-menubar-stuff)
|
||
|
||
|
||
;; Replaced with dragging mouse-1
|
||
;; (global-set-key [S-mouse-1] 'mouse-set-mark)
|
||
|
||
;; Binding mouse-1 to mouse-select-window when on mode-, header-, or
|
||
;; vertical-line prevents Emacs from signaling an error when the mouse
|
||
;; button is released after dragging these lines, on non-toolkit
|
||
;; versions.
|
||
(global-set-key [mode-line mouse-1] 'mouse-select-window)
|
||
(global-set-key [mode-line drag-mouse-1] 'mouse-select-window)
|
||
(global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line)
|
||
(global-set-key [header-line down-mouse-1] 'mouse-drag-header-line)
|
||
(global-set-key [header-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 C-mouse-2] 'mouse-split-window-horizontally)
|
||
(global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically)
|
||
(global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically)
|
||
(global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line)
|
||
(global-set-key [vertical-line mouse-1] 'mouse-select-window)
|
||
|
||
(provide 'mouse)
|
||
|
||
;; This file contains the functionality of the old mldrag.el.
|
||
(defalias 'mldrag-drag-mode-line 'mouse-drag-mode-line)
|
||
(defalias 'mldrag-drag-vertical-line 'mouse-drag-vertical-line)
|
||
(make-obsolete 'mldrag-drag-mode-line 'mouse-drag-mode-line "21.1")
|
||
(make-obsolete 'mldrag-drag-vertical-line 'mouse-drag-vertical-line "21.1")
|
||
(provide 'mldrag)
|
||
|
||
;;; mouse.el ends here
|