Mercurial > hg > xemacs-beta
annotate src/widget.c @ 5750:66d2f63df75f
Correct some spelling and formatting in behavior.el.
Mentioned in tracker issue 826, the third thing mentioned there (the file
name at the bottom of the file) had already been fixed.
lisp/ChangeLog addition:
2013-08-05 Aidan Kehoe <kehoea@parhasard.net>
* behavior.el:
(override-behavior):
Correct some spelling and formatting here, thank you Steven
Mitchell in tracker issue 826.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Mon, 05 Aug 2013 10:05:32 +0100 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* Primitives for work of the "widget" library. |
| 2 Copyright (C) 1997 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of XEmacs. | |
| 5 | |
|
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6 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 7 under the terms of the GNU General Public License as published by the |
|
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Mats Lidell <matsl@xemacs.org>
parents:
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8 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
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Mats Lidell <matsl@xemacs.org>
parents:
4693
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changeset
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9 option) any later version. |
| 428 | 10 |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
|
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17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 18 |
| 19 /* Synched up with: Not in FSF. */ | |
| 20 | |
| 21 /* In an ideal world, this file would not have been necessary. | |
| 22 However, elisp function calls being as slow as they are, it turns | |
| 23 out that some functions in the widget library (wid-edit.el) are the | |
| 24 bottleneck of Widget operation. Here is their translation to C, | |
| 25 for the sole reason of efficiency. */ | |
| 26 | |
| 27 #include <config.h> | |
| 28 #include "lisp.h" | |
| 29 #include "buffer.h" | |
| 30 | |
| 31 | |
| 32 Lisp_Object Qwidget_type; | |
| 33 | |
| 34 | |
| 35 DEFUN ("widget-plist-member", Fwidget_plist_member, 2, 2, 0, /* | |
| 36 Like `plist-get', but returns the tail of PLIST whose car is PROP. | |
| 37 */ | |
| 38 (plist, prop)) | |
| 39 { | |
| 40 while (!NILP (plist) && !EQ (Fcar (plist), prop)) | |
| 41 { | |
| 42 /* Check for QUIT, so a circular plist doesn't lock up the | |
| 43 editor. */ | |
| 44 QUIT; | |
| 45 plist = Fcdr (Fcdr (plist)); | |
| 46 } | |
| 47 return plist; | |
| 48 } | |
| 49 | |
| 50 DEFUN ("widget-put", Fwidget_put, 3, 3, 0, /* | |
| 51 In WIDGET set PROPERTY to VALUE. | |
| 52 The value can later be retrieved with `widget-get'. | |
| 53 */ | |
| 54 (widget, property, value)) | |
| 55 { | |
| 56 CHECK_CONS (widget); | |
| 57 XCDR (widget) = Fplist_put (XCDR (widget), property, value); | |
| 58 return widget; | |
| 59 } | |
| 60 | |
| 61 DEFUN ("widget-get", Fwidget_get, 2, 2, 0, /* | |
| 62 In WIDGET, get the value of PROPERTY. | |
| 63 The value could either be specified when the widget was created, or | |
| 64 later with `widget-put'. | |
| 65 */ | |
| 66 (widget, property)) | |
| 67 { | |
| 68 Lisp_Object value = Qnil; | |
| 69 | |
| 70 while (1) | |
| 71 { | |
| 72 Lisp_Object tmp = Fwidget_plist_member (Fcdr (widget), property); | |
| 73 if (!NILP (tmp)) | |
| 74 { | |
| 75 value = Fcar (Fcdr (tmp)); | |
| 76 break; | |
| 77 } | |
| 78 tmp = Fcar (widget); | |
| 79 if (!NILP (tmp)) | |
| 80 { | |
| 81 widget = Fget (tmp, Qwidget_type, Qnil); | |
| 82 continue; | |
| 83 } | |
| 84 break; | |
| 85 } | |
| 86 return value; | |
| 87 } | |
| 88 | |
| 89 DEFUN ("widget-apply", Fwidget_apply, 2, MANY, 0, /* | |
| 90 Apply the value of WIDGET's PROPERTY to the widget itself. | |
| 91 ARGS are passed as extra arguments to the function. | |
|
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92 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
563
diff
changeset
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93 arguments: (WIDGET PROPERTY &rest ARGS) |
| 428 | 94 */ |
| 95 (int nargs, Lisp_Object *args)) | |
| 96 { | |
| 97 /* This function can GC */ | |
| 98 Lisp_Object newargs[3]; | |
| 99 struct gcpro gcpro1; | |
| 100 | |
| 101 newargs[0] = Fwidget_get (args[0], args[1]); | |
| 102 newargs[1] = args[0]; | |
| 103 newargs[2] = Flist (nargs - 2, args + 2); | |
| 434 | 104 GCPRO1 (newargs[2]); |
| 428 | 105 RETURN_UNGCPRO (Fapply (3, newargs)); |
| 106 } | |
| 107 | |
| 108 void | |
| 109 syms_of_widget (void) | |
| 110 { | |
| 563 | 111 DEFSYMBOL (Qwidget_type); |
| 428 | 112 |
| 113 DEFSUBR (Fwidget_plist_member); | |
| 114 DEFSUBR (Fwidget_put); | |
| 115 DEFSUBR (Fwidget_get); | |
| 116 DEFSUBR (Fwidget_apply); | |
| 117 } |