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anything.el
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;;; anything.el --- open anything / QuickSilver-like candidate-selection framework
;; $Id: anything.el,v 1.182 2009/05/08 18:28:18 rubikitch Exp $
;; Copyright (C) 2007 Tamas Patrovics
;; 2008, 2009 rubikitch <[email protected]>
;; Author: Tamas Patrovics
;; Maintainer: rubikitch <[email protected]>
;; Keywords: files, frames, help, matching, outlines, processes, tools, convenience, anything
;; URL: http://www.emacswiki.org/cgi-bin/wiki/download/anything.el
;; Site: http://www.emacswiki.org/cgi-bin/emacs/Anything
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; Start with M-x anything, narrow the list by typing some pattern,
;; select with up/down/pgup/pgdown/C-p/C-n/C-v/M-v, choose with enter,
;; left/right moves between sources. With TAB actions can be selected
;; if the selected candidate has more than one possible action.
;;
;; Note that anything.el provides only the framework and some example
;; configurations for demonstration purposes. See anything-config.el
;; for practical, polished, easy to use configurations which can be
;; used to assemble a custom personalized configuration. And many
;; other configurations are in the EmacsWiki.
;;
;; http://www.emacswiki.org/cgi-bin/wiki/download/anything-config.el
;; http://www.emacswiki.org/cgi-bin/emacs/AnythingSources
;;
;; Maintainer's configuration is in the EmacsWiki. It would tell you
;; many tips to write smart sources!
;;
;; http://www.emacswiki.org/cgi-bin/emacs/RubikitchAnythingConfiguration
;; You can extend `anything' by writing plug-ins. As soon as
;; `anything' is invoked, `anything-sources' is compiled into basic
;; attributes, then compiled one is used during invocation.
;;
;; The oldest built-in plug-in is `type' attribute: appends
;; appropriate element of `anything-type-attributes'. Second built-in
;; plug-in is `candidates-in-buffer': selecting a line from candidates
;; buffer.
;;
;; To write a plug-in:
;; 1. Define a compiler: anything-compile-source--*
;; 2. Add compier function to `anything-compile-source-functions'.
;; 3. (optional) Write helper functions.
;;
;; Anything plug-ins are found in the EmacsWiki.
;;
;; http://www.emacswiki.org/cgi-bin/emacs/AnythingPlugins
;; Tested on Emacs 22.
;;
;;
;; Thanks to Vagn Johansen for ideas.
;; Thanks to Stefan Kamphausen for fixes and XEmacs support.
;; Thanks to Tassilo Horn for fixes.
;; Thanks to Drew Adams for various fixes (frame, isearch, customization, etc.)
;; Thanks to IMAKADO for candidates-in-buffer idea.
;; Thanks to Tomohiro MATSUYAMA for multiline patch.
;;
;;; (@* "Index")
;; If you have library `linkd.el', load
;; `linkd.el' and turn on `linkd-mode' now. It lets you easily
;; navigate around the sections Linkd mode will
;; highlight this Index. You can get `linkd.el' here:
;; http://www.emacswiki.org/cgi-bin/wiki/download/linkd.el
;;
;;; (@* "INCOMPATIBLE CHANGES")
;; v1.114
;;
;; `anything-attr' returns nil when the source attribute is defined
;; but the value of attribute is nil, eg. (volatile) cell. Use
;; `anything-attr-defined' when testing whether the attribute is
;; defined.
;;; (@* "Tips")
;;
;; Now symbols are acceptable as candidates. So you do not have to use
;; `symbol-name' function. The source is much simpler. For example,
;; `apropos-internal' returns a list of symbols.
;;
;; (anything
;; '(((name . "Commands")
;; (candidates . (lambda () (apropos-internal anything-pattern 'commandp)))
;; (volatile)
;; (action . describe-function))))
;;
;; To mark a candidate, press C-SPC as normal Emacs marking. To go to
;; marked candidate, press M-[ or M-].
;;
;; `anything-map' is now Emacs-standard key bindings by default. If
;; you are using `iswitchb', execute `anything-iswitchb-setup'. Then
;; some key bindings are adjusted to `iswitchb'. Note that
;; anything-iswitchb is not maintained.
;;
;; There are many `anything' applications, using `anything' for
;; selecting candidate. In this case, if there is one candidate or no
;; candidate, popping up *anything* buffer is irritating. If one
;; candidate, you want to select it at once. If no candidate, you want
;; to quit `anything'. Set `anything-execute-action-at-once-if-one'
;; and `anything-quit-if-no-candidate' to non-nil to remedy it. Note
;; that setting these variables GLOBALLY is bad idea because of
;; delayed sources. These are meant to be let-binded.
;; See anything-etags.el for example.
;;
;; [EVAL IT] (install-elisp "http://www.emacswiki.org/cgi-bin/wiki/download/anything-etags.el")
;;
;; ex.
;; (let ((anything-execute-action-at-once-if-one t)
;; (anything-quit-if-no-candidate (lambda () (message "No candidate"))))
;; (anything temporary-sources input))
;;
;; `set-frame-configuration' arises flickering. If you hate
;; flickering, eval:
;; (setq anything-save-configuration-functions
;; '(set-window-configuration . current-window-configuration))
;; at the cost of restoring frame configuration (only window configuration).
;;
;; `anything-delete-current-selection' deletes the current line.
;; It is useful when deleting a candidate in persistent action.
;; eg. `kill-buffer'.
;;
;; [EVAL IT] (describe-function 'anything-delete-current-selection)
;;
;; `anything-attr' gets the attribute. `anything-attrset' sets the
;; attribute. `anything-attr-defined' tests whether the attribute is
;; defined. They handles source-local variables.
;;
;; [EVAL IT] (describe-function 'anything-attr)
;; [EVAL IT] (describe-function 'anything-attrset)
;; [EVAL IT] (describe-function 'anything-attr-defined)
;;
;; `anything-sources' accepts many attributes to make your life easier.
;; Now `anything-sources' accepts a list of symbols.
;;
;; [EVAL IT] (describe-variable 'anything-sources)
;;
;; `anything' has optional arguments. Now you do not have to let-bind
;; `anything-sources'.
;;
;; [EVAL IT] (describe-function 'anything)
;;
;; `anything-resume' resumes last `anything' session. Now you do not
;; have to retype pattern.
;;
;; [EVAL IT] (describe-function 'anything-resume)
;;
;; `anything-execute-persistent-action' executes action without
;; quitting `anything'. When popping up a buffer in other window by
;; persistent action, you can scroll with `anything-scroll-other-window' and
;; `anything-scroll-other-window-down'. See also `anything-sources' docstring.
;;
;; [EVAL IT] (describe-function 'anything-execute-persistent-action)
;; [EVAL IT] (describe-variable 'anything-sources)
;;
;; `anything-select-2nd-action', `anything-select-3rd-action' and
;; `anything-select-4th-action' select other than default action
;; without pressing Tab.
;;
;; Using `anything-candidate-buffer' and the candidates-in-buffer
;; attribute is much faster than traditional "candidates and match"
;; way. And `anything-current-buffer-is-modified' avoids to
;; recalculate candidates for unmodified buffer. See docstring of
;; them.
;;
;; [EVAL IT] (describe-function 'anything-candidate-buffer)
;; [EVAL IT] (describe-function 'anything-candidates-in-buffer)
;; [EVAL IT] (describe-function 'anything-current-buffer-is-modified)
;;
;; `anything-current-buffer' and `anything-buffer-file-name' stores
;; `(current-buffer)' and `buffer-file-name' in the buffer `anything'
;; is invoked. Use them freely.
;;
;; [EVAL IT] (describe-variable 'anything-current-buffer)
;; [EVAL IT] (describe-variable 'anything-buffer-file-name)
;;
;; `anything-completing-read' and `anything-read-file-name' are
;; experimental implementation. If you are curious, type M-x
;; anything-read-string-mode. It is a minor mode and toggles on/off.
;;
;; Use `anything-test-candidates' to test your handmade anything
;; sources. It simulates contents of *anything* buffer with pseudo
;; `anything-sources' and `anything-pattern', without side-effect. So
;; you can unit-test your anything sources! Let's TDD!
;;
;; [EVAL IT] (describe-function 'anything-test-candidates)
;;
;; There are many unit-testing framework in Emacs Lisp. See the EmacsWiki.
;; http://www.emacswiki.org/cgi-bin/emacs/UnitTesting
;;
;; There is an unit-test by Emacs Lisp Expectations at the tail of this file.
;; http://www.emacswiki.org/cgi-bin/wiki/download/el-expectations.el
;; http://www.emacswiki.org/cgi-bin/wiki/download/el-mock.el
;; (@* "TODO")
;;
;; - process status indication
;;
;; - async sources doesn't honor digit-shortcut-count
;;
;; - anything-candidate-number-limit can't be nil everywhere
;; (@* "HISTORY")
;; $Log: anything.el,v $
;; Revision 1.182 2009/05/08 18:28:18 rubikitch
;; Bug fix: `anything-attr' is usable in `header-name' function.
;;
;; Revision 1.181 2009/05/04 19:05:03 rubikitch
;; * `anything-yank-selection' and `anything-kill-selection-and-quit' handles display string now.
;; * `anything-get-selection': Added optional arguments.
;;
;; Revision 1.180 2009/05/03 19:03:34 rubikitch
;; Add `anything-input' to `minibuffer-history' even if `anything' is quit.
;;
;; Revision 1.179 2009/04/20 16:35:44 rubikitch
;; New keybindings in anything-map:
;; C-c C-d: `anything-delete-current-selection'
;; C-c C-y: `anything-yank-selection'
;; C-c C-k: `anything-kill-selection-and-quit'
;;
;; Revision 1.178 2009/04/20 16:18:58 rubikitch
;; New variable: `anything-display-function'
;;
;; Revision 1.177 2009/04/20 02:17:16 rubikitch
;; New commands: `anything-yank-selection', `anything-kill-selection-and-quit'
;;
;; Revision 1.176 2009/04/08 14:48:15 rubikitch
;; bug fix in `anything-candidate-buffer'
;;
;; Revision 1.175 2009/03/22 19:10:37 rubikitch
;; New Variable: `anything-scroll-amount' (thx. ThierryVolpiatto)
;;
;; Revision 1.174 2009/03/12 19:12:24 rubikitch
;; New API: `define-anything-type-attribute'
;;
;; Revision 1.173 2009/03/11 08:10:32 rubikitch
;; Update doc
;;
;; Revision 1.172 2009/03/10 17:11:58 rubikitch
;; `candidate-transformer', `filtered-candidate-transformer',
;; `action-transformer' attributes: accept a list of functions
;;
;; Revision 1.171 2009/03/09 18:49:44 rubikitch
;; New command: `anything-quit-and-find-file'
;;
;; Revision 1.170 2009/03/09 18:46:11 rubikitch
;; New API: `anything-run-after-quit'
;;
;; Revision 1.169 2009/03/09 10:02:49 rubikitch
;; Set candidate-number-limit attribute for actions.
;;
;; Revision 1.168 2009/03/07 21:01:10 rubikitch
;; Bug workaround
;;
;; Revision 1.167 2009/03/06 04:13:42 rubikitch
;; Fix doc
;;
;; Revision 1.166 2009/03/03 10:35:57 rubikitch
;; Set default `anything-input-idle-delay' to 0.1
;;
;; Revision 1.165 2009/03/03 07:14:42 rubikitch
;; Make sure to run `anything-update-hook' after processing delayed sources.
;;
;; Revision 1.164 2009/03/02 01:51:40 rubikitch
;; better error handling.
;;
;; Revision 1.163 2009/03/01 05:15:00 rubikitch
;; anything-iswitchb and anything-isearch are marked as unmaintained.
;; (document change only)
;;
;; Revision 1.162 2009/02/28 01:24:13 rubikitch
;; Symbols are now acceptable as candidate.
;;
;; Revision 1.161 2009/02/27 07:18:46 rubikitch
;; Fix bug of `anything-scroll-other-window' and `anything-scroll-other-window-down'.
;;
;; Revision 1.160 2009/02/27 01:05:06 rubikitch
;; * Make sure to restore point after running `anything-update-hook'.
;; * Make `anything-compute-matches' easy to find error.
;;
;; Revision 1.159 2009/02/26 23:45:48 rubikitch
;; * Check whether candidate is a string, otherwise ignore.
;;
;; Revision 1.158 2009/02/24 06:39:20 rubikitch
;; suppress compile warnings.
;;
;; Revision 1.157 2009/02/23 22:51:43 rubikitch
;; New function: `anything-document-attribute'
;;
;; Revision 1.156 2009/02/23 21:36:09 rubikitch
;; New Variable: `anything-display-source-at-screen-top'
;;
;; Revision 1.155 2009/02/23 21:30:52 rubikitch
;; New command: `anything-at-point'
;;
;; Revision 1.154 2009/02/23 08:57:54 rubikitch
;; Visible Mark
;;
;; Revision 1.153 2009/02/23 08:38:57 rubikitch
;; update doc
;;
;; Revision 1.152 2009/02/23 08:32:17 rubikitch
;; More key bindings.
;;
;; Revision 1.151 2009/02/23 08:21:24 rubikitch
;; `anything-map' is now Emacs-standard key bindings by default.
;; After evaluating `anything-iswitchb-setup'. some key bindings are adjusted to iswitchb.
;;
;; Revision 1.150 2009/02/20 22:58:18 rubikitch
;; Cancel timer in `anything-cleanup'.
;;
;; Revision 1.149 2009/02/20 12:23:44 rubikitch
;; `anything-header' face now inherits header-line (not a copy).
;;
;; Revision 1.148 2009/02/16 23:40:22 rubikitch
;; `real-to-display' attribute bug fix.
;;
;; Revision 1.147 2009/02/02 20:51:41 rubikitch
;; New `anything-sources' attribute: real-to-display
;;
;; Revision 1.146 2009/02/01 20:01:00 rubikitch
;; Update Tips
;;
;; Revision 1.145 2009/02/01 19:45:53 rubikitch
;; New variable: `anything-quit-if-no-candidate'
;;
;; Revision 1.144 2009/02/01 19:31:47 rubikitch
;; fixed a typo
;;
;; Revision 1.143 2009/02/01 19:23:32 rubikitch
;; New variable: `anything-execute-action-at-once-if-one'
;;
;; Revision 1.142 2009/02/01 19:12:34 rubikitch
;; `anything-persistent-action-display-buffer': bug fix
;;
;; Revision 1.141 2009/02/01 18:25:25 rubikitch
;; * fix docstring
;; * New variable: `anything-selection-face'
;;
;; Revision 1.140 2009/01/16 16:36:25 rubikitch
;; New variable: `anything-persistent-action-use-special-display'.
;;
;; Revision 1.139 2009/01/05 20:15:53 rubikitch
;; Fixed a bug of anything action buffer.
;; The action source should not be cached.
;;
;; Revision 1.138 2008/12/21 16:56:05 rubikitch
;; Fixed an error when action attribute is a function symbol and press TAB,
;;
;; Revision 1.137 2008/12/20 19:38:47 rubikitch
;; `anything-check-minibuffer-input-1': proper quit handling
;; `anything-process-delayed-sources': ditto
;;
;; Revision 1.136 2008/10/27 17:41:27 rubikitch
;; `anything-process-delayed-sources', `anything-check-minibuffer-input-1': quittable
;;
;; Revision 1.135 2008/10/27 17:04:25 rubikitch
;; arranged source, added more linkd tags (no code change)
;;
;; Revision 1.134 2008/10/27 15:02:25 rubikitch
;; New variable: `anything-save-configuration-functions'
;; Delete variable: `anything-save-configuration-type'
;;
;; Revision 1.133 2008/10/27 11:16:13 rubikitch
;; New variable: `anything-save-configuration-type'
;;
;; Revision 1.132 2008/10/26 22:34:59 rubikitch
;; `anything-delete-current-selection' with multiline
;;
;; Revision 1.131 2008/10/26 21:44:43 rubikitch
;; New command: `anything-delete-current-selection'
;;
;; Revision 1.130 2008/10/22 10:41:09 rubikitch
;; `anything-insert-match': do not override 'anything-realvalue property
;;
;; Revision 1.129 2008/10/21 17:01:37 rubikitch
;; `anything-resume' per buffer.
;; `anything-last-sources': obsolete
;;
;; Revision 1.128 2008/10/20 06:27:54 rubikitch
;; `anything-quick-update': new user option
;;
;; Revision 1.127 2008/10/20 05:47:49 rubikitch
;; refactoring
;;
;; Revision 1.126 2008/10/20 03:47:58 rubikitch
;; `anything-update': reversed order of delayed sources
;;
;; Revision 1.125 2008/10/19 00:29:54 rubikitch
;; kill buffer-local candidate buffers when creating global candidate buffers.
;;
;; Revision 1.124 2008/10/18 13:04:20 rubikitch
;; Remove tick entry from `anything-tick-hash' when killing a buffer.
;;
;; Revision 1.123 2008/10/18 10:23:36 rubikitch
;; multiline patch by Tomohiro MATSUYAMA.
;;
;; Revision 1.122 2008/10/13 03:10:07 rubikitch
;; `anything': do `anything-mark-current-line' when resuming
;;
;; Revision 1.121 2008/10/13 03:08:08 rubikitch
;; always set `anything-current-position'
;;
;; Revision 1.120 2008/10/07 14:12:02 rubikitch
;; `anything-execute-persistent-action': optional arg
;;
;; Revision 1.119 2008/10/06 06:43:29 rubikitch
;; `anything-candidate-buffer': return nil when the buffer is dead
;;
;; Revision 1.118 2008/09/30 22:21:28 rubikitch
;; New `anything-sources' attribute: accept-empty
;; dummy: include accept-empty
;;
;; Revision 1.117 2008/09/30 21:59:10 rubikitch
;; New function: `anything-buffer-is-modified'
;;
;; Revision 1.116 2008/09/22 11:27:29 rubikitch
;; *** empty log message ***
;;
;; Revision 1.115 2008/09/20 20:21:11 rubikitch
;; added linkd index. (no code change)
;;
;; Revision 1.114 2008/09/20 20:09:57 rubikitch
;; INCOMPATIBLE CHANGES: `anything-attr'
;; New functions: `anything-attrset', `anything-attr-defined'
;;
;; Revision 1.113 2008/09/14 15:15:32 rubikitch
;; bugfix: volatile and match attribute / process and match attribute
;;
;; Revision 1.112 2008/09/12 01:57:17 rubikitch
;; When resuming anything, reinitialize overlays.
;;
;; Revision 1.111 2008/09/10 22:53:11 rubikitch
;; anything: bug fix of `anything-buffer'
;; New macro: `anything-test-update'
;;
;; Revision 1.110 2008/09/10 22:17:11 rubikitch
;; New `anything-sources' attribute: header-name
;;
;; Revision 1.109 2008/09/10 21:12:26 rubikitch
;; New hook: `anything-after-action-hook'
;;
;; Revision 1.108 2008/09/06 06:07:56 rubikitch
;; Extended `anything-set-sources' optional arguments.
;;
;; Revision 1.107 2008/09/05 03:14:35 rubikitch
;; reimplement `anything-current-buffer-is-modified' in the right way
;;
;; Revision 1.106 2008/09/05 00:11:05 rubikitch
;; Moved `anything-read-string-mode' and read functions to anything-complete.el.
;;
;; Revision 1.105 2008/09/04 12:45:06 rubikitch
;; New hook: `anything-after-persistent-action-hook'
;;
;; Revision 1.104 2008/09/04 12:27:05 rubikitch
;; `anything': prefixed optional arguments
;;
;; Revision 1.103 2008/09/04 09:16:28 rubikitch
;; fixed a bug of `anything-read-file-name'.
;;
;; Revision 1.102 2008/09/03 11:25:19 rubikitch
;; Extended `anything' optional arguments: buffer
;;
;; Revision 1.101 2008/09/03 11:15:13 rubikitch
;; `anything': return nil when keybord-quitted
;;
;; Revision 1.100 2008/09/01 23:11:02 rubikitch
;; bug fix of search-from-end
;;
;; Revision 1.99 2008/09/01 13:45:55 rubikitch
;; bug fix of search-from-end
;;
;; Revision 1.98 2008/09/01 11:23:38 rubikitch
;; New `anything-sources' attribute: search-from-end
;;
;; Revision 1.97 2008/09/01 00:44:34 rubikitch
;; Make sure to display the other window when persistent action.
;;
;; Revision 1.96 2008/08/31 20:55:20 rubikitch
;; define `buffer-modified-tick' for older emacs.
;;
;; Revision 1.95 2008/08/30 04:55:51 rubikitch
;; fixed a bug of `anything-completing-read'
;;
;; Revision 1.94 2008/08/28 20:18:03 rubikitch
;; added some tests
;;
;; Revision 1.93 2008/08/25 20:18:46 rubikitch
;; `anything': set `anything-input' and `anything-pattern' before `anything-update'
;;
;; Revision 1.92 2008/08/24 22:38:46 rubikitch
;; *** empty log message ***
;;
;; Revision 1.91 2008/08/24 21:34:35 rubikitch
;; rewrite `with-anything-restore-variables'
;;
;; Revision 1.90 2008/08/24 20:33:02 rubikitch
;; prevent the unit test from byte-compiled.
;; macro bug fix.
;;
;; Revision 1.89 2008/08/24 08:35:27 rubikitch
;; *** empty log message ***
;;
;; Revision 1.88 2008/08/24 08:22:19 rubikitch
;; Rename `anything-candidates-buffer' -> `anything-candidate-buffer'
;;
;; Revision 1.87 2008/08/23 22:27:04 rubikitch
;; New hook: `anything-cleanup-hook'
;;
;; Revision 1.86 2008/08/23 22:05:42 rubikitch
;; `anything-original-source-filter' is removed.
;; Now use `anything-restored-variables' and `with-anything-restore-variables'.
;;
;; Revision 1.85 2008/08/23 21:23:21 rubikitch
;; inhibit-read-only = t in anything-buffer
;;
;; Revision 1.84 2008/08/23 21:18:33 rubikitch
;; *** empty log message ***
;;
;; Revision 1.83 2008/08/23 20:44:20 rubikitch
;; `anything-execute-persistent-action': display-to-real bug fix
;;
;; Revision 1.82 2008/08/23 20:19:12 rubikitch
;; New `anything-sources' attribute: get-line
;;
;; Revision 1.81 2008/08/23 19:32:14 rubikitch
;; `anything-attr': Return t in (attribute-name) case.
;;
;; Revision 1.80 2008/08/22 21:25:05 rubikitch
;; anything-candidates-in-buffer-1:
;; Open a line at the BOB to make use of `search-forward' for faster exact/prefix match.
;; Of course, restore the buffer contents after search.
;;
;; Revision 1.79 2008/08/22 17:11:00 rubikitch
;; New hook: `anything-before-initialize-hook', `anything-after-initialize-hook'
;;
;; Revision 1.78 2008/08/21 18:37:03 rubikitch
;; Implemented dummy sources as plug-in.
;;
;; Revision 1.77 2008/08/21 17:40:40 rubikitch
;; New function: `anything-set-sources'
;;
;; Revision 1.76 2008/08/21 12:25:02 rubikitch
;; New variable: `anything-version'
;;
;; Revision 1.75 2008/08/21 12:13:46 rubikitch
;; New variable: `anything-in-persistent-action'
;;
;; Revision 1.74 2008/08/21 10:34:22 rubikitch
;; New function `anything-mklist'
;;
;; Revision 1.73 2008/08/21 09:41:38 rubikitch
;; accept multiple init/cleanup functions so that plug-ins can add new function.
;;
;; Revision 1.72 2008/08/20 22:51:53 rubikitch
;; New `anything-sources' attribute: candidate-number-limit
;;
;; Revision 1.71 2008/08/20 21:45:42 rubikitch
;; added many tests.
;;
;; Revision 1.70 2008/08/20 18:51:45 rubikitch
;; `anything-preselect' bug fix.
;; refactoring.
;;
;; Revision 1.69 2008/08/20 17:57:51 rubikitch
;; Extended `anything' optional arguments: preselect
;;
;; Revision 1.68 2008/08/20 16:39:07 rubikitch
;; Nested `anything' invocation support, ie. `anything' can be invoked by anything action.
;;
;; (anything '(((name . "nested anything invocation test")
;; (candidates "anything-c-source-buffers" "anything-c-source-man-pages")
;; (display-to-real . intern)
;; (action . anything))))
;;
;; Revision 1.67 2008/08/20 00:08:28 rubikitch
;; `anything-candidates-in-buffer-1': add code when pattern == ""
;;
;; Revision 1.66 2008/08/19 23:31:52 rubikitch
;; Removed `anything-show-exact-match-first' because it should be provided as a plug-in.
;;
;; Revision 1.65 2008/08/19 23:18:47 rubikitch
;; *** empty log message ***
;;
;; Revision 1.64 2008/08/19 23:15:43 rubikitch
;; `anything-compute-matches': short-cut when match == '(identity)
;;
;; Revision 1.63 2008/08/19 23:06:42 rubikitch
;; Use hash table to speed uniquify candidates.
;;
;; Revision 1.62 2008/08/19 22:40:57 rubikitch
;; `anything-test-candidates': additional optonal argument
;;
;; Revision 1.61 2008/08/19 18:13:39 rubikitch
;; search attribute: multiple search functions
;;
;; Revision 1.60 2008/08/19 15:07:39 rubikitch
;; New function: `anything-attr'
;;
;; Revision 1.59 2008/08/19 15:01:59 rubikitch
;; arranged code
;; added unit tests
;; update doc
;;
;; Revision 1.58 2008/08/19 13:40:52 rubikitch
;; `anything-get-current-source': This function can be used in
;; init/candidates/action/candidate-transformer/filtered-candidate-transformer
;; display-to-real/cleanup function.
;;
;; Revision 1.57 2008/08/19 03:43:57 rubikitch
;; `anything-process-delayed-sources': delay = anything-idle-delay - anything-input-idle-delay
;;
;; Revision 1.56 2008/08/18 06:37:51 rubikitch
;; Make `anything-input-idle-delay' ineffective when the action list is shown.
;;
;; Revision 1.55 2008/08/18 06:35:00 rubikitch
;; New variable: `anything-show-exact-match-first'
;;
;; Revision 1.54 2008/08/17 23:22:24 rubikitch
;; *** empty log message ***
;;
;; Revision 1.53 2008/08/17 23:15:38 rubikitch
;; bind `anything-source-name' when executing action to enable to use `anything-candidate-buffer' in action.
;;
;; Revision 1.52 2008/08/17 15:21:27 rubikitch
;; `anything-test-candidates': accept a symbol for source
;; New variable: `anything-input-idle-delay'
;;
;; Revision 1.51 2008/08/17 12:45:30 rubikitch
;; (buffer-disable-undo) in anything-buffer
;;
;; Revision 1.50 2008/08/16 22:21:37 rubikitch
;; `anything-saved-sources': removed
;; `anything-action-buffer': action selection buffer
;; `anything-select-action': toggle actions <=> candidates
;;
;; Revision 1.49 2008/08/16 19:46:11 rubikitch
;; New function: `anything-action-list-is-shown'
;;
;; Revision 1.48 2008/08/16 17:03:02 rubikitch
;; bugfix: cleanup
;;
;; Revision 1.47 2008/08/16 16:35:24 rubikitch
;; silence byte compiler
;;
;; Revision 1.46 2008/08/16 14:51:27 rubikitch
;; *** empty log message ***
;;
;; Revision 1.45 2008/08/16 11:27:59 rubikitch
;; refactoring
;; `anything-aif': Anaphoric if.
;; `anything-compile-source-functions': make `anything-get-sources' customizable.
;;
;; Revision 1.44 2008/08/16 09:38:15 rubikitch
;; *** empty log message ***
;;
;; Revision 1.43 2008/08/15 11:44:28 rubikitch
;; `anything-read-string-mode': minor mode for `anything' version of read functions. (experimental)
;;
;; Revision 1.42 2008/08/15 11:03:20 rubikitch
;; update docs
;;
;; Revision 1.41 2008/08/14 20:51:28 rubikitch
;; New `anything-sources' attribute: cleanup
;;
;; Revision 1.40 2008/08/14 10:34:04 rubikitch
;; `anything': SOURCES: accept symbols
;;
;; Revision 1.39 2008/08/10 22:46:01 rubikitch
;; `anything-move-selection': avoid infinite loop
;;
;; Revision 1.38 2008/08/09 21:38:25 rubikitch
;; `anything-read-file-name': experimental implementation.
;;
;; Revision 1.37 2008/08/09 17:54:25 rubikitch
;; action test
;;
;; Revision 1.36 2008/08/09 17:13:00 rubikitch
;; fixed test
;;
;; Revision 1.35 2008/08/09 10:43:08 rubikitch
;; New `anything-sources' attribute: display-to-real
;;
;; Revision 1.34 2008/08/07 13:15:44 rubikitch
;; New `anything-sources' attribute: search
;;
;; Revision 1.33 2008/08/05 23:14:20 rubikitch
;; `anything-candidate-buffer': bugfix
;;
;; Revision 1.32 2008/08/05 21:42:15 rubikitch
;; *** empty log message ***
;;
;; Revision 1.31 2008/08/05 21:06:23 rubikitch
;; `anything-candidate-buffer': candidates buffer registration
;;
;; Revision 1.30 2008/08/05 19:46:36 rubikitch
;; New `anything-sources' attribute: candidates-in-buffer
;;
;; Revision 1.29 2008/08/05 17:58:31 rubikitch
;; *** empty log message ***
;;
;; Revision 1.28 2008/08/05 17:46:04 rubikitch
;; memoized `anything-get-sources'
;;
;; Revision 1.27 2008/08/05 17:29:40 rubikitch
;; update doc
;;
;; Revision 1.26 2008/08/05 08:35:45 rubikitch
;; `anything-completing-read': accept obarray
;;
;; Revision 1.25 2008/08/05 07:26:17 rubikitch
;; `anything-completing-read': guard from non-string return value
;;
;; Revision 1.24 2008/08/04 12:05:41 rubikitch
;; Wrote Tips and some docstrings.
;; `anything-candidate-buffer': buffer-local by default
;;
;; Revision 1.23 2008/08/04 05:29:46 rubikitch
;; `anything-buffer-file-name': `buffer-file-name' when `anything' is invoked.
;;
;; Revision 1.22 2008/08/04 00:10:13 rubikitch
;; `anything-candidate-buffer': new API
;;
;; Revision 1.21 2008/08/03 22:05:08 rubikitch
;; `anything-candidate-buffer': Return a buffer containing candidates of current source.
;;
;; Revision 1.20 2008/08/03 20:47:56 rubikitch
;; `anything-current-buffer-is-modified': modify checker
;;
;; Revision 1.19 2008/08/03 19:06:18 rubikitch
;; `anything-candidates-in-buffer': use `with-current-buffer' instead.
;;
;; Revision 1.18 2008/08/03 05:55:01 rubikitch
;; `anything-candidates-in-buffer': extract candidates in a buffer for speed.
;;
;; Revision 1.17 2008/08/02 21:31:29 rubikitch
;; Extended `anything' optional arguments.
;; `anything-completing-read': experimental implementation.
;;
;; Revision 1.16 2008/08/02 20:32:54 rubikitch
;; Extended `anything' optional arguments.
;;
;; Revision 1.15 2008/08/02 16:53:40 rubikitch
;; Fixed a small bug of `anything-test-candidates'.
;;
;; Revision 1.14 2008/08/02 16:48:29 rubikitch
;; Refactored to testable code.
;; Added many candidate tests with `anything-test-candidates'.
;;
;; Revision 1.13 2008/08/02 15:08:14 rubikitch
;; *** empty log message ***
;;
;; Revision 1.12 2008/08/02 14:29:31 rubikitch
;; `anything-sources' accepts symbols. (patched by Sugawara)
;;
;; Revision 1.11 2008/08/02 10:20:36 rubikitch
;; `anything-resume' is usable with other (let-binded) `anything-sources'.
;;
;; Revision 1.10 2008/08/01 19:44:01 rubikitch
;; `anything-resume': resurrect previously invoked `anything'.
;;
;; Revision 1.9 2008/07/30 15:44:49 rubikitch
;; *** empty log message ***
;;
;; Revision 1.8 2008/07/30 15:38:51 rubikitch
;; *** empty log message ***
;;
;; Revision 1.7 2008/07/30 15:21:48 rubikitch
;; `anything-scroll-other-window', `anything-scroll-other-window-down':
;; Scroll other window (for persistent action).
;;
;; Revision 1.6 2008/07/30 15:12:36 rubikitch
;; *** empty log message ***
;;
;; Revision 1.5 2008/07/30 15:06:32 rubikitch
;; `anything-select-2nd-action', `anything-select-3rd-action', `anything-select-4th-action':
;; Select other than default action without pressing Tab.
;;
;; Revision 1.4 2008/07/30 14:58:27 rubikitch
;; `anything-current-buffer': Store current buffer when `anything' is invoked.
;; `anything-current-position': Restore position when keyboard-quitted.
;;
;; Revision 1.3 2008/07/30 14:38:04 rubikitch
;; Implemented persistent action.
;;
;; Revision 1.2 2008/07/30 13:37:16 rubikitch
;; Update doc.
;;
;; Revision 1.1 2008/07/30 13:22:06 rubikitch
;; New maintainer.
;;
(defvar anything-version "$Id: anything.el,v 1.182 2009/05/08 18:28:18 rubikitch Exp $")
(require 'cl)
;; (@* "User Configuration")
;; This is only an example. Customize it to your own taste!
(defvar anything-sources `(((name . "Buffers")
(candidates
. (lambda ()
(remove-if (lambda (name)
(or (equal name anything-buffer)
(eq ?\ (aref name 0))))
(mapcar 'buffer-name (buffer-list)))))
(type . buffer))
((name . "File Name History")
(candidates . file-name-history)
(match (lambda (candidate)
;; list basename matches first
(string-match
anything-pattern
(file-name-nondirectory candidate)))
(lambda (candidate)
;; and then directory part matches
(let ((dir (file-name-directory candidate)))
(if dir
(string-match anything-pattern dir)))))
(type . file))
((name . "Files from Current Directory")
(init . (lambda ()
(setq anything-default-directory
default-directory)))
(candidates . (lambda ()
(directory-files
anything-default-directory)))
(type . file))
((name . "Manual Pages")
(candidates . ,(progn
;; XEmacs doesn't have a woman :)
(declare (special woman-file-name
woman-topic-all-completions))
(condition-case nil
(progn
(require 'woman)
(woman-file-name "")
(sort (mapcar 'car
woman-topic-all-completions)
'string-lessp))
(error nil))))
(action . (("Open Manual Page" . woman)))
(requires-pattern . 2))
((name . "Complex Command History")
(candidates . (lambda ()
(mapcar 'prin1-to-string
command-history)))
(action . (("Repeat Complex Command" .
(lambda (c)
(eval (read c))))))
(delayed)))
"The source of candidates for anything.
It accepts symbols:
(setq anything-sources (list anything-c-foo anything-c-bar))
can be written as
(setq anything-sources '(anything-c-foo anything-c-bar))
The latter is recommended because if you change anything-c-* variable,
you do not have to update `anything-sources'.
If you want to change `anything-sources' during `anything' invocation,
use `anything-set-sources', never use `setq'.
Attributes:
- name (mandatory)
The name of the source. It is also the heading which appears
above the list of matches from the source. Must be unique.
- header-name (optional)
A function returning the display string of the header. Its
argument is the name of the source. This attribute is useful to
add an additional information with the source name.
- candidates (mandatory if candidates-in-buffer attribute is not provided)
Specifies how to retrieve candidates from the source. It can
either be a variable name, a function called with no parameters
or the actual list of candidates.
The list must be a list whose members are strings, symbols
or (DISPLAY . REAL) pairs.
In case of (DISPLAY . REAL) pairs, the DISPLAY string is shown
in the Anything buffer, but the REAL one is used as action
argument when the candidate is selected. This allows a more
readable presentation for candidates which would otherwise be,
for example, too long or have a common part shared with other
candidates which can be safely replaced with an abbreviated
string for display purposes.
Note that if the (DISPLAY . REAL) form is used then pattern
matching is done on the displayed string, not on the real
value.
If the candidates have to be retrieved asynchronously (for
example, by an external command which takes a while to run)
then the function should start the external command
asynchronously and return the associated process object.
Anything will take care of managing the process (receiving the
output from it, killing it if necessary, etc.). The process
should return candidates matching the current pattern (see
variable `anything-pattern'.)
Note that currently results from asynchronous sources appear
last in the anything buffer regardless of their position in
`anything-sources'.
- action (mandatory if type attribute is not provided)
It is a list of (DISPLAY . FUNCTION) pairs or FUNCTION.
FUNCTION is called with one parameter: the selected candidate.
An action other than the default can be chosen from this list
of actions for the currently selected candidate (by default
with TAB). The DISPLAY string is shown in the completions
buffer and the FUNCTION is invoked when an action is
selected. The first action of the list is the default.
- type (optional if action attribute is provided)
Indicates the type of the items the source returns.
Merge attributes not specified in the source itself from
`anything-type-attributes'.
This attribute is implemented by plug-in.
- init (optional)
Function called with no parameters when anything is started. It
is useful for collecting current state information which can be
used to create the list of candidates later.
For example, if a source needs to work with the current
directory then it can store its value here, because later
anything does its job in the minibuffer and in the
`anything-buffer' and the current directory can be different
there.
- match (optional)
List of functions called with one parameter: a candidate. The
function should return non-nil if the candidate matches the
current pattern (see variable `anything-pattern').
This attribute allows the source to override the default
pattern matching based on `string-match'. It can be used, for
example, to implement a source for file names and do the
pattern matching on the basename of files, since it's more
likely one is typing part of the basename when searching for a
file, instead of some string anywhere else in its path.
If the list contains more than one function then the list of
matching candidates from the source is constructed by appending