2000-01-12 20:50:20 +00:00
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;;; eudc-bob.el --- Binary Objects Support for EUDC
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2002-01-05 18:54:53 +00:00
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;; Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
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2000-01-12 20:50:20 +00:00
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2002-01-16 08:05:19 +00:00
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;; Author: Oscar Figueiredo <oscar@cpe.fr>
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;; Maintainer: Pavel Jan<61>k <Pavel@Janik.cz>
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2002-01-06 16:37:36 +00:00
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;; Keywords: comm
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2000-01-12 20:50:20 +00:00
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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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2001-07-16 07:46:48 +00:00
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;;; Commentary:
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2000-01-12 20:50:20 +00:00
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;;; Usage:
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;; See the corresponding info file
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;;; Code:
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(require 'eudc)
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(defvar eudc-bob-generic-keymap nil
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"Keymap for multimedia objects.")
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(defvar eudc-bob-image-keymap nil
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"Keymap for inline images.")
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(defvar eudc-bob-sound-keymap nil
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"Keymap for inline sounds.")
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(defvar eudc-bob-url-keymap nil
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2002-01-04 07:59:46 +00:00
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"Keymap for inline urls.")
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2002-01-16 08:05:19 +00:00
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(defvar eudc-bob-mail-keymap nil
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"Keymap for inline e-mail addresses.")
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2000-01-12 20:50:20 +00:00
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(defconst eudc-bob-generic-menu
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'("EUDC Binary Object Menu"
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["---" nil nil]
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["Pipe to external program" eudc-bob-pipe-object-to-external-program t]
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["Save object" eudc-bob-save-object t]))
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(defconst eudc-bob-image-menu
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`("EUDC Image Menu"
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["---" nil nil]
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["Toggle inline display" eudc-bob-toggle-inline-display
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(eudc-bob-can-display-inline-images)]
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,@(cdr (cdr eudc-bob-generic-menu))))
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2000-01-12 20:50:20 +00:00
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(defconst eudc-bob-sound-menu
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`("EUDC Sound Menu"
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["---" nil nil]
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["Play sound" eudc-bob-play-sound-at-point
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(fboundp 'play-sound)]
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,@(cdr (cdr eudc-bob-generic-menu))))
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2000-01-12 20:50:20 +00:00
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(defun eudc-jump-to-event (event)
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"Jump to the window and point where EVENT occurred."
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(if eudc-xemacs-p
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(goto-char (event-closest-point event))
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(set-buffer (window-buffer (posn-window (event-start event))))
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(goto-char (posn-point (event-start event)))))
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(defun eudc-bob-get-overlay-prop (prop)
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"Get property PROP from one of the overlays around."
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(let ((overlays (append (overlays-at (1- (point)))
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(overlays-at (point))))
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overlay value
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(notfound t))
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(while (and notfound
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(setq overlay (car overlays)))
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(if (setq value (overlay-get overlay prop))
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(setq notfound nil))
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(setq overlays (cdr overlays)))
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value))
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(defun eudc-bob-can-display-inline-images ()
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"Return non-nil if we can display images inline."
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(if eudc-xemacs-p
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(and (memq (console-type) '(x mswindows))
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(fboundp 'make-glyph))
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(and (fboundp 'display-graphic-p)
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(display-graphic-p))))
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(defun eudc-bob-make-button (label keymap &optional menu plist)
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"Create a button with LABEL.
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Attach KEYMAP, MENU and properties from PLIST to a new overlay covering
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LABEL."
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(let (overlay
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(p (point))
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prop val)
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(insert label)
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(put-text-property p (point) 'face 'bold)
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(setq overlay (make-overlay p (point)))
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(overlay-put overlay 'mouse-face 'highlight)
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(overlay-put overlay 'keymap keymap)
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(overlay-put overlay 'local-map keymap)
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(overlay-put overlay 'menu menu)
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(while plist
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(setq prop (car plist)
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plist (cdr plist)
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val (car plist)
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plist (cdr plist))
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(overlay-put overlay prop val))))
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(defun eudc-bob-display-jpeg (data inline)
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"Display the JPEG DATA at point.
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If INLINE is non-nil, try to inline the image otherwise simply
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display a button."
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2000-01-13 13:55:49 +00:00
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(cond (eudc-xemacs-p
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(let ((glyph (if (eudc-bob-can-display-inline-images)
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(make-glyph (list (vector 'jpeg :data data)
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[string :data "[JPEG Picture]"])))))
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(eudc-bob-make-button "[JPEG Picture]"
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eudc-bob-image-keymap
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eudc-bob-image-menu
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(list 'glyph glyph
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'end-glyph (if inline glyph)
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'duplicable t
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'invisible inline
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'start-open t
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'end-open t
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'object-data data))))
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((fboundp 'create-image)
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(let* ((image (create-image data nil t))
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(props (list 'object-data data 'eudc-image image)))
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(when (and inline (image-type-available-p 'jpeg))
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(setq props (nconc (list 'display image) props)))
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(eudc-bob-make-button "[Picture]"
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eudc-bob-image-keymap
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eudc-bob-image-menu
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props)))))
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(defun eudc-bob-toggle-inline-display ()
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"Toggle inline display of an image."
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(interactive)
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(when (eudc-bob-can-display-inline-images)
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(cond (eudc-xemacs-p
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(let ((overlays (append (overlays-at (1- (point)))
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(overlays-at (point))))
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overlay glyph)
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(setq overlay (car overlays))
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(while (and overlay
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(not (setq glyph (overlay-get overlay 'glyph))))
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(setq overlays (cdr overlays))
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(setq overlay (car overlays)))
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(if overlay
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(if (overlay-get overlay 'end-glyph)
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(progn
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(overlay-put overlay 'end-glyph nil)
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(overlay-put overlay 'invisible nil))
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(overlay-put overlay 'end-glyph glyph)
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(overlay-put overlay 'invisible t)))))
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(t
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(let* ((overlays (append (overlays-at (1- (point)))
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(overlays-at (point))))
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image)
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;; Search overlay with an image.
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(while (and overlays (null image))
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(let ((prop (overlay-get (car overlays) 'eudc-image)))
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(if (eq 'image (car-safe prop))
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(setq image prop)
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(setq overlays (cdr overlays)))))
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;; Toggle that overlay's image display.
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(when overlays
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(let ((overlay (car overlays)))
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(overlay-put overlay 'display
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(if (overlay-get overlay 'display)
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nil image)))))))))
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2000-01-12 20:50:20 +00:00
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(defun eudc-bob-display-audio (data)
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"Display a button for audio DATA."
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(eudc-bob-make-button "[Audio Sound]"
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eudc-bob-sound-keymap
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eudc-bob-sound-menu
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(list 'duplicable t
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'start-open t
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'end-open t
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'object-data data)))
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(defun eudc-bob-display-generic-binary (data)
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"Display a button for unidentified binary DATA."
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(eudc-bob-make-button "[Binary Data]"
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eudc-bob-generic-keymap
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eudc-bob-generic-menu
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(list 'duplicable t
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'start-open t
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'end-open t
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'object-data data)))
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(defun eudc-bob-play-sound-at-point ()
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"Play the sound data contained in the button at point."
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(interactive)
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(let (sound)
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(if (null (setq sound (eudc-bob-get-overlay-prop 'object-data)))
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(error "No sound data available here")
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(unless (fboundp 'play-sound)
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(error "Playing sounds not supported on this system"))
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(play-sound (list 'sound :data sound)))))
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2000-01-12 20:50:20 +00:00
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(defun eudc-bob-play-sound-at-mouse (event)
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"Play the sound data contained in the button where EVENT occurred."
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(interactive "e")
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(save-excursion
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(eudc-jump-to-event event)
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(eudc-bob-play-sound-at-point)))
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2002-01-05 18:54:53 +00:00
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2000-01-12 20:50:20 +00:00
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(defun eudc-bob-save-object ()
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"Save the object data of the button at point."
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(interactive)
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(let ((data (eudc-bob-get-overlay-prop 'object-data))
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(buffer (generate-new-buffer "*eudc-tmp*")))
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(save-excursion
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(if (fboundp 'set-buffer-file-coding-system)
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(set-buffer-file-coding-system 'binary))
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(set-buffer buffer)
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(set-buffer-multibyte nil)
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(insert data)
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(save-buffer))
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(kill-buffer buffer)))
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(defun eudc-bob-pipe-object-to-external-program ()
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"Pipe the object data of the button at point to an external program."
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(interactive)
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(let ((data (eudc-bob-get-overlay-prop 'object-data))
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(buffer (generate-new-buffer "*eudc-tmp*"))
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program
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viewer)
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(condition-case nil
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(save-excursion
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(if (fboundp 'set-buffer-file-coding-system)
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(set-buffer-file-coding-system 'binary))
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(set-buffer buffer)
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(insert data)
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(setq program (completing-read "Viewer: " eudc-external-viewers))
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(if (setq viewer (assoc program eudc-external-viewers))
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(call-process-region (point-min) (point-max)
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(car (cdr viewer))
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(cdr (cdr viewer)))
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(call-process-region (point-min) (point-max) program)))
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(t
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(kill-buffer buffer)))))
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(defun eudc-bob-menu ()
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"Retrieve the menu attached to a binary object."
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(eudc-bob-get-overlay-prop 'menu))
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2002-01-06 15:08:06 +00:00
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2000-01-12 20:50:20 +00:00
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(defun eudc-bob-popup-menu (event)
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"Pop-up a menu of EUDC multimedia commands."
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(interactive "@e")
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(run-hooks 'activate-menubar-hook)
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(eudc-jump-to-event event)
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(if eudc-xemacs-p
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(progn
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(run-hooks 'activate-popup-menu-hook)
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(popup-menu (eudc-bob-menu)))
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(let ((result (x-popup-menu t (eudc-bob-menu)))
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command)
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(if result
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(progn
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(setq command (lookup-key (eudc-bob-menu)
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(apply 'vector result)))
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(command-execute command))))))
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(setq eudc-bob-generic-keymap
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(let ((map (make-sparse-keymap)))
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(define-key map "s" 'eudc-bob-save-object)
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2002-01-05 18:54:53 +00:00
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(define-key map "!" 'eudc-bob-pipe-object-to-external-program)
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2000-01-12 20:50:20 +00:00
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(define-key map (if eudc-xemacs-p
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[button3]
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[down-mouse-3]) 'eudc-bob-popup-menu)
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map))
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(setq eudc-bob-image-keymap
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(let ((map (make-sparse-keymap)))
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(define-key map "t" 'eudc-bob-toggle-inline-display)
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map))
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(setq eudc-bob-sound-keymap
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(let ((map (make-sparse-keymap)))
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(define-key map [return] 'eudc-bob-play-sound-at-point)
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(define-key map (if eudc-xemacs-p
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[button2]
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[down-mouse-2]) 'eudc-bob-play-sound-at-mouse)
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map))
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(setq eudc-bob-url-keymap
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(let ((map (make-sparse-keymap)))
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(define-key map [return] 'browse-url-at-point)
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(define-key map (if eudc-xemacs-p
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[button2]
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[down-mouse-2]) 'browse-url-at-mouse)
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map))
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2002-01-16 08:05:19 +00:00
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(setq eudc-bob-mail-keymap
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(let ((map (make-sparse-keymap)))
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(define-key map [return] 'goto-address-at-point)
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(define-key map (if eudc-xemacs-p
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[button2]
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[down-mouse-2]) 'goto-address-at-mouse)
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map))
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|
2000-01-12 20:50:20 +00:00
|
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(set-keymap-parent eudc-bob-image-keymap eudc-bob-generic-keymap)
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(set-keymap-parent eudc-bob-sound-keymap eudc-bob-generic-keymap)
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(if eudc-emacs-p
|
|
|
|
|
(progn
|
2000-11-15 20:54:15 +00:00
|
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|
(easy-menu-define eudc-bob-generic-menu
|
2000-01-12 20:50:20 +00:00
|
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eudc-bob-generic-keymap
|
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|
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|
""
|
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|
eudc-bob-generic-menu)
|
2000-11-15 20:54:15 +00:00
|
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|
|
(easy-menu-define eudc-bob-image-menu
|
2000-01-12 20:50:20 +00:00
|
|
|
|
eudc-bob-image-keymap
|
|
|
|
|
""
|
|
|
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|
eudc-bob-image-menu)
|
2000-11-15 20:54:15 +00:00
|
|
|
|
(easy-menu-define eudc-bob-sound-menu
|
2000-01-12 20:50:20 +00:00
|
|
|
|
eudc-bob-sound-keymap
|
|
|
|
|
""
|
|
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|
|
eudc-bob-sound-menu)))
|
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|
|
;;;###autoload
|
|
|
|
|
(defun eudc-display-generic-binary (data)
|
|
|
|
|
"Display a button for unidentified binary DATA."
|
|
|
|
|
(eudc-bob-display-generic-binary data))
|
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|
;;;###autoload
|
|
|
|
|
(defun eudc-display-url (url)
|
|
|
|
|
"Display URL and make it clickable."
|
|
|
|
|
(require 'browse-url)
|
|
|
|
|
(eudc-bob-make-button url eudc-bob-url-keymap))
|
|
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|
|
|
2002-01-16 08:05:19 +00:00
|
|
|
|
;;;###autoload
|
|
|
|
|
(defun eudc-display-mail (mail)
|
|
|
|
|
"Display e-mail address and make it clickable."
|
|
|
|
|
(require 'goto-addr)
|
|
|
|
|
(eudc-bob-make-button mail eudc-bob-mail-keymap))
|
|
|
|
|
|
2000-01-12 20:50:20 +00:00
|
|
|
|
;;;###autoload
|
|
|
|
|
(defun eudc-display-sound (data)
|
|
|
|
|
"Display a button to play the sound DATA."
|
|
|
|
|
(eudc-bob-display-audio data))
|
|
|
|
|
|
|
|
|
|
;;;###autoload
|
|
|
|
|
(defun eudc-display-jpeg-inline (data)
|
|
|
|
|
"Display the JPEG DATA inline at point if possible."
|
|
|
|
|
(eudc-bob-display-jpeg data (eudc-bob-can-display-inline-images)))
|
|
|
|
|
|
|
|
|
|
;;;###autoload
|
|
|
|
|
(defun eudc-display-jpeg-as-button (data)
|
|
|
|
|
"Display a button for the JPEG DATA."
|
|
|
|
|
(eudc-bob-display-jpeg data nil))
|
2002-01-06 15:08:06 +00:00
|
|
|
|
|
2003-09-01 15:45:59 +00:00
|
|
|
|
;;; arch-tag: 8f1853df-c9b6-4c5a-bdb1-d94dbd651fb3
|
2000-01-12 20:50:20 +00:00
|
|
|
|
;;; eudc-bob.el ends here
|