annotate lisp/gtk-ffi.el @ 776:79940b592197

[xemacs-hg @ 2002-03-15 07:43:14 by ben] .cvsignore: ignore .tmp files that are getting auto-created by VC. Makefile.in.in: Use -no-packages to avoid problems with package files shadowing core files (e.g. unicode.el in mule-ucs). alloc.c, emacs.c, lisp.h: add new -no-packages. make sure list of args for sorting is actually correct. clean up arg parsing code. xemacs.mak: Use -no-packages to avoid problems with package files shadowing core files (e.g. unicode.el in mule-ucs). Makefile: Use -no-packages to avoid problems with package files shadowing core files (e.g. unicode.el in mule-ucs). mule\chinese.el, mule\japan-util.el: fix warnings. behavior-defs.el: fix errors with require. bytecomp-runtime.el: add new funs {when,and}-{f}boundp, clean up docs. cus-edit.el: pretty-print values. dump-paths.el, find-paths.el, startup.el, setup-paths.el: fix problems/inconsistencies parsing options. support new -no-packages option. merge code duplication in dump-paths and startup. lisp-mode.el: indent macrolet and labels correctly. update comments about lisp-indent-function. flet already handled in cl. apropos.el, auto-save.el, buff-menu.el, cl-extra.el, dragdrop.el, faces.el, files.el, fill.el, font-lock.el, font.el, gtk-faces.el, gui.el, help.el, hyper-apropos.el, info.el, isearch-mode.el, keymap.el, lisp-mnt.el, mouse.el, package-admin.el, package-get.el, printer.el, process.el, resize-minibuffer.el, simple.el, toolbar-items.el, wid-edit.el, win32-native.el: fix warnings. very-early-lisp.el: update docs. mule\chinese.el, mule\japan-util.el: fix warnings. mule\chinese.el, mule\japan-util.el: fix warnings. behavior-defs.el: fix errors with require. bytecomp-runtime.el: add new funs {when,and}-{f}boundp, clean up docs. cus-edit.el: pretty-print values. dump-paths.el, find-paths.el, startup.el, setup-paths.el: fix problems/inconsistencies parsing options. support new -no-packages option. merge code duplication in dump-paths and startup. lisp-mode.el: indent macrolet and labels correctly. update comments about lisp-indent-function. flet already handled in cl. apropos.el, auto-save.el, buff-menu.el, cl-extra.el, dragdrop.el, faces.el, files.el, fill.el, font-lock.el, font.el, gtk-faces.el, gui.el, help.el, hyper-apropos.el, info.el, isearch-mode.el, keymap.el, lisp-mnt.el, mouse.el, package-admin.el, package-get.el, printer.el, process.el, resize-minibuffer.el, simple.el, toolbar-items.el, wid-edit.el, win32-native.el: fix warnings. very-early-lisp.el: update docs. mule\chinese.el, mule\japan-util.el: fix warnings. Makefile.in.in: Use -no-packages to avoid problems with package files shadowing core files (e.g. unicode.el in mule-ucs). Makefile.in.in: Use -no-packages to avoid problems with package files shadowing core files (e.g. unicode.el in mule-ucs).
author ben
date Fri, 15 Mar 2002 07:43:43 +0000
parents 0784d089fdc9
children 3889ef128488 308d34e9f07d
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1 ;;; gtk-ffi.el --- Foreign function interface for the GTK object system
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2
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3 ;; Copyright (C) 2000 Free Software Foundation
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4
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5 ;; Maintainer: William Perry <wmperry@gnu.org>
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6 ;; Keywords: extensions, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 (defvar gtk-type-aliases '((GtkType . guint)
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32 (GdkAtom . gulong)
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33 (GdkBitmap . GdkWindow)
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34 (time_t . guint)
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35 (none . void)
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36 (GdkDrawable . GdkWindow)
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37 (GdkBitmap . GdkWindow)
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38 (GdkPixmap . GdkWindow))
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39 "An assoc list of aliases for commonly used GTK types that are not
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40 really part of the object system.")
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41
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42 (defvar gtk-ffi-debug nil
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43 "If non-nil, all functions defined wiht `gtk-import-function' will be checked
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44 for missing marshallers.")
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45
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46 (defun gtk-ffi-check-function (func)
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47 ;; We don't call gtk-main or gtk-main-quit because it thoroughly
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48 ;; hoses us (locks up xemacs handling events, but no lisp).
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49 (if (not (memq func '(gtk-main gtk-main-quit)))
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50 (condition-case err
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51 (funcall func)
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52 (error
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53 (case (car err)
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54 (wrong-number-of-arguments nil)
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55 (error
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56 (if (string= "Could not locate marshaller function" (nth 1 err))
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57 (progn
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58 (set-buffer (get-buffer-create "needed marshallers"))
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59 (display-buffer (current-buffer))
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60 (goto-char (point-max))
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61 (insert
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62 (format "%S\n"
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63 (split-string
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64 (substring (nth 2 err) (length "emacs_gtk_marshal_")) "_+")))))))))))
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65
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66 (defmacro gtk-import-function (retval name &rest args)
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67 (if (symbolp name)
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68 (setq name (symbol-name name)))
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69 (let ((lisp-name (intern (replace-in-string name "_" "-")))
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70 (doc-string nil))
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71 (setq retval (or (cdr-safe (assoc retval gtk-type-aliases)) retval)
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72 doc-string (concat "The lisp version of " name ".\n"
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73 (if args
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74 (concat "Prototype: " (prin1-to-string args)))))
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75
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76 ;; Drop off any naming of arguments, etc.
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77 (if (and args (consp (car args)))
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78 (setq args (mapcar 'car args)))
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79
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80 ;; Get rid of any type aliases.
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81 (setq args (mapcar (lambda (x)
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82 (or (cdr-safe (assoc x gtk-type-aliases)) x)) args))
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83
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84 `(progn
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85 (defun ,lisp-name (&rest args)
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86 ,doc-string
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87 (if (not (get (quote ,lisp-name) 'gtk-ffi nil))
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88 (put (quote ,lisp-name) 'gtk-ffi
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89 (gtk-import-function-internal (quote ,retval) ,name
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90 (quote ,args))))
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91 (gtk-call-function (get (quote ,lisp-name) 'gtk-ffi 'ignore) args))
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92 (and gtk-ffi-debug (gtk-ffi-check-function (quote ,lisp-name))))))
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93
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94 (defmacro gtk-import-variable (type name)
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95 (if (symbolp name) (setq name (symbol-name name)))
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96 (let ((lisp-name (intern (replace-in-string name "_" "-")))
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97 (doc-string nil))
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98 (setq type (or (cdr-safe (assoc type gtk-type-aliases)) type)
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99 doc-string (concat "Retrieve the variable " name " (type: " (symbol-name type) ").\n"))
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100 `(defun ,lisp-name ()
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101 ,doc-string
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102 (gtk-import-variable-internal (quote ,type) ,name))))
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103
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104 (provide 'gtk-ffi)