annotate lisp/gtk-ffi.el @ 5016:2ade80e8c640

enable more warnings and fix them -------------------- ChangeLog entries follow: -------------------- ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * configure: * configure.ac (TAB): Various warnings that used to be present had mistakenly gotten turned off. Turn them back on. lwlib/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * xt-wrappers.h: * xt-wrappers.h (Xt_SET_VALUE): * xt-wrappers.h (Xt_GET_VALUE): Rename var to avoid shadowing problems. src/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * alloc.c: Add prototypes for debugging functions. * alloc.c (compact_string_chars): Make static. * console-x.c (x_initially_selected_for_input): * console-x.h: * console-x.h (X_ERROR_OCCURRED): Delete x_has_keysym() prototype from console-x.c, move to console-x.h. * eval.c (multiple_value_call): Real bug: Fix shadowing local vars. * event-unixoid.c (read_event_from_tty_or_stream_desc): * event-unixoid.c (signal_fake_event): * lread.c (check_if_suppressed): * strftime.c (strftime): Fix stupid global shadowing warnings. * event-unixoid.c (signal_fake_event): * event-unixoid.c (drain_signal_event_pipe): Use Rawbyte, not char. * frame.h: Remove old prototype. * gc.c: * gc.c (show_gc_cursor_and_message): * gc.c (remove_gc_cursor_and_message): * gc.c (gc_prepare): * gc.c (gc_finish_mark): * gc.c (gc_finalize): * gc.c (gc_sweep): * gc.c (gc_finish): * gc.c (gc_suspend_mark_phase): * gc.c (gc_resume_mark_phase): * gc.c (gc_mark): * gc.c (gc_resume_mark): Make fns static. * glyphs-eimage.c (gif_decode_error_string): Fix non-prototype. * lisp.h: Hack around global shadowing warnings involving `index'. * intl-win32.c (wcsncpy): * number-gmp.c (bigfloat_to_string): * objects-msw.c (mswindows_font_spec_matches_charset_stage_2): * specifier.c (call_charset_predicate): * specifier.c (DEFINE_SPECIFIER_TAG_FROB): Declarations cannot follow statements in standard C. * search.c (search_buffer): Fix local shadowing warnings.
author Ben Wing <ben@xemacs.org>
date Mon, 08 Feb 2010 21:28:57 -0600
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)