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Update
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The-Repo-Club
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commit
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@ -115,7 +115,7 @@
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;; This sets the default font on all graphical frames created after restarting Emacs.
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;; Does the same thing as 'set-face-attribute default' above, but emacsclient fonts
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;; are not right unless I also add this method of setting the default font.
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(add-to-list 'default-frame-alist '(font . "JetBrains Mono-11"))
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(add-to-list 'default-frame-alist '(font . "Hack Nerd Font Mono-11"))
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;; Uncomment the following line if line spacing needs adjusting.
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(setq-default line-spacing 0.12)
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@ -219,7 +219,7 @@ Defining the various fonts that Emacs will use.
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;; This sets the default font on all graphical frames created after restarting Emacs.
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;; Does the same thing as 'set-face-attribute default' above, but emacsclient fonts
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;; are not right unless I also add this method of setting the default font.
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(add-to-list 'default-frame-alist '(font . "JetBrains Mono-11"))
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(add-to-list 'default-frame-alist '(font . "Hack Nerd Font Mono-11"))
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;; Uncomment the following line if line spacing needs adjusting.
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(setq-default line-spacing 0.12)
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@ -1,702 +0,0 @@
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;;; dtos-start.el --- Some recipes for creating widgets
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;; Copyright 2007 Ye Wenbin
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;;
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;; Author: wenbinye@gmail.com
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;; Version: $Id: widget-demo.el,v 0.0 2007/11/13 17:50:14 ywb Exp $
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;; Keywords:
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;; X-URL: not distributed yet
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;; This program 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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;;
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;; This program 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software
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;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; The widget document is not easy to understand. I think the
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;; quick way to use widget is learning from examples. So I wrote
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;; this library to help others understand and use widget quickly.
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;;
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;; I'm not expert at widget, so there may be something wrong in the
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;; code. If you found it, please let me know.
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;;
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;;; Add New Page:
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;; You can test you widget definition by add it as a new page to
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;; widget demo. You can benefit from without write the code to
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;; creating buffer and the key bindings of `widget-demo-mode'. Here is
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;; a simple example to add new widget demo page:
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;;
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;; (defun widget-demo-tree-test ()
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;; (widget-insert "Tree:\n")
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;; (widget-create
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;; '(tree-widget
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;; :node (push-button :format "%[%t%]\n" :tag "hello")
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;; :open t
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;; (push-button :format "%[%t%]\n" :tag "node1")
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;; (push-button :format "%[%t%]\n" :tag "node2"))))
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;; (widget-demo-add-page "Tree Test" 'widget-demo-tree-test)
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;;; TODO:
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;; 1. Add tree-widget
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;; 2. Add complex widget create by using several types of widget and
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;; using group.
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;; 3. Add tutorial about defining new widget
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;; 4. Add a macro for simplified page definition. For example:
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;; (widget-demo-insert
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;; "Some text here"
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;; (button :notify callback "label")
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;; "More text"
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;; (editable-field :form-id identifier))
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;; Put this file into your load-path and the following into your ~/.emacs:
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;; (autoload 'widget-demo "widget-demo" "Show demo of widget" t)
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;;; Code:
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(eval-when-compile
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(require 'cl-lib))
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(require 'info)
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(require 'tree-widget)
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(defvar widget-demo-buffer-name "*DTOS Info*"
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"*Name of the widget demo buffer")
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(defvar widget-demo-list
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'(("Contents" widget-demo-contents :header "DTOS Info")
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("Example" widget-demo-example :header "Example in info")
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("WidgetTree" widget-tree :header "Programs")
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("Button" widget-demo-button)
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("Text" widget-demo-text)
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("Choice" widget-demo-choice)
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)
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"A list of pages to show.")
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(defvar widget-demo-current nil
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"Current page in `widget-demo-list'.")
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(defvar widget-demo-form nil
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"A table for lookup widget created in current buffer.")
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(defvar widget-demo-anchors nil
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"A table for lookup markers created in current buffer.")
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(defvar widget-demo-mode-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map widget-keymap)
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(define-key map "n" 'widget-demo-next)
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(define-key map "p" 'widget-demo-previous)
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(define-key map "u" 'widget-demo)
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(define-key map "t" 'widget-demo)
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(dolist (num (number-sequence ?1 ?9))
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(define-key map (char-to-string num) 'widget-demo-goto-page))
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;; this command may be helpful for debug
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(define-key map "r" 'widget-demo-reflesh)
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(define-key map "\C-c\C-s" 'widget-demo-show-source)
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(define-key map "\C-c\C-n" 'widget-demo-next)
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(define-key map "\C-c\C-p" 'widget-demo-previous)
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(define-key map "\C-c\C-u" 'widget-demo)
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(define-key map "\C-c\C-t" 'widget-demo)
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map)
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"Keymap to use in *DTOS Info* buffer.")
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(defvar widget-demo-menu nil)
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(unless widget-demo-menu
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(easy-menu-define
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widget-demo-menu widget-demo-mode-map "DTOS Info"
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`("Widget"
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["Next Page" widget-demo-next t]
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["Previous Page" widget-demo-previous t]
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["Top" widget-demo t]
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["Refresh" widget-demo-reflesh t]
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"--"
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,@(mapcar (lambda (p)
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(vector (car p) 'widget-demo-menu-goto t))
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widget-demo-list))))
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;;{{{ Helper functions
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(defun widget-demo-menu-goto ()
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(interactive)
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(widget-demo-goto (symbol-name last-command-event)))
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(defun widget-demo-form-create (id widget)
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(if (assoc id widget-demo-form)
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(error "identifier %S is used!" id)
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(push (cons id widget) widget-demo-form)))
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(defun widget-demo-form-add (id widget)
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(let ((old (assoc id widget-demo-form)))
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(if old
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(setcdr old widget)
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(push (cons id widget) widget-demo-form))))
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(defun widget-demo-form-get (id)
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(cdr (assoc id widget-demo-form)))
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(defun widget-demo-create-anchor (anchor)
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(push (cons anchor (point-marker)) widget-demo-anchors))
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(defun widget-demo-resolve-link (name)
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"Return the Next, Top, Next page."
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(let* ((page (assoc name widget-demo-list))
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(rest (member page widget-demo-list))
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(len (length rest))
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next previous)
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;; the contents only list next
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(if (eq page (car widget-demo-list))
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(list (cadr widget-demo-list))
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(if (= len 1)
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(setq next nil)
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(setq next (cadr rest)))
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(setq previous (nth (- (length widget-demo-list) len 1)
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widget-demo-list))
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(list next (car widget-demo-list) previous))))
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(defun widget-demo-add-page (&rest page)
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"add new PAGE to widget-demo.
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The page is constituted by
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(PAGE-NAME PAGE-DEFINITION [KEYWORD VALUE]).
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Current only keyword :header is supported, which value is a string
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to display in menu and the header of buffer instead of the page-name."
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(setq widget-demo-list
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(append widget-demo-list (list page))))
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(defun widget-demo-remove-page (name)
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(setq widget-demo-list
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(delq (assoc name widget-demo-list)
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widget-demo-list)))
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;;}}}
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;;{{{ Commands
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;;;###autoload
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(defun dtos-demo ()
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"Show widget demo."
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(interactive)
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(switch-to-buffer widget-demo-buffer-name)
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(widget-demo-goto "Contents"))
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(define-derived-mode widget-demo-mode nil "WDemo"
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"Widget demo.
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\\{widget-demo-mode-map}"
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(make-local-variable 'widget-demo-form)
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(make-local-variable 'widget-demo-anchors))
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(defun widget-demo-goto (link)
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(interactive
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(list (completing-read "Goto: " widget-demo-list nil t)))
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(switch-to-buffer widget-demo-buffer-name)
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(widget-demo-mode)
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(setq link (split-string link "#"))
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(let* ((inhibit-read-only t)
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(name (car link))
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(anchor (cadr link))
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(page (assoc name widget-demo-list)))
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(erase-buffer)
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(remove-overlays)
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(setq widget-demo-current name)
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;; insert buttons
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(let ((links (widget-demo-resolve-link name))
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(label '("Next" "Contents" "Prev")))
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(dolist (link links)
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(when link
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(widget-create 'push-button
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:format
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(if (string= (car label) "Contents")
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"%[Contents%]"
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(format "%%t: %%[%s%%]" (car link)))
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:button-face 'info-xref
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:tag (car label)
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:notify (lambda (wid &rest ignore)
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(widget-demo-goto (widget-value wid)))
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(car link))
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(widget-insert " "))
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(setq label (cdr label))))
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;; insert title
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(widget-insert "\n\n ")
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(widget-insert
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(propertize
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(or (plist-get page :header) (car page))
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'face 'info-title-1))
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(widget-insert "\n\n")
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(funcall (cadr page))
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;; if there is an anchor, jump to the anchor
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(if (and anchor
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(setq anchor (assoc-default anchor widget-demo-anchors)))
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(goto-char anchor)
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(goto-char (point-min)))
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(widget-setup)
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(use-local-map widget-demo-mode-map)))
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(defun widget-demo-next ()
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(interactive)
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(let ((links (widget-demo-resolve-link widget-demo-current)))
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(if (car links)
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(widget-demo-goto (caar links))
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(message "No next pages!"))))
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(defun widget-demo-previous ()
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(interactive)
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(let ((links (widget-demo-resolve-link widget-demo-current)))
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(if (nth 2 links)
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(widget-demo-goto (car (nth 2 links)))
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(message "No previous pages!"))))
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(defun widget-demo-goto-page ()
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(interactive)
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(let ((num (- last-command-event ?0)))
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(if (< num (length widget-demo-list))
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(widget-demo-goto (car (nth num widget-demo-list)))
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(message "Only %d pages!" (length widget-demo-list)))))
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(defun widget-demo-reflesh ()
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(interactive)
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(widget-demo-goto widget-demo-current))
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(defun widget-demo-show-source ()
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(interactive)
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(let ((page (assoc widget-demo-current widget-demo-list)))
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(with-selected-window
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(display-buffer
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(find-file-noselect (find-library-name "widget-demo")))
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(imenu (symbol-name (cadr page)))
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(recenter 1))))
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;;}}}
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;;{{{ Pages
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(defun widget-demo-contents ()
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(widget-insert "Here is the *widget-demo-contents* function in action.\n\n")
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(let ((idx 1))
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(dolist (page (cdr widget-demo-list))
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(widget-insert (format "%3d. " idx))
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(widget-create 'link
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:format "%[%t%]"
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:tag (or (plist-get page :header) (car page))
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:button-prefix ""
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:button-suffix ""
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:notify (lambda (widget &rest ignore)
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(widget-demo-goto (widget-value widget)))
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(car page))
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(widget-insert "\n")
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(setq idx (1+ idx)))))
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(defun widget-demo-example ()
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(widget-insert "Here is some documentation.\n\n")
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(widget-create 'editable-field
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:size 13
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:format "Name: %v " ; Text after the field!
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"My Name")
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(widget-create 'menu-choice
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:tag "Choose"
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:value "This"
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:help-echo "Choose me, please!"
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:notify (lambda (widget &rest ignore)
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(message "%s is a good choice!"
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(widget-value widget)))
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'(item :tag "This option" :value "This")
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'(choice-item "That option")
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'(editable-field :menu-tag "No option" "Thus option"))
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(widget-create 'editable-field
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:format "Address: %v"
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"Some Place\nIn some City\nSome country.")
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(widget-insert "\nSee also ")
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(widget-create 'link
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:notify (lambda (&rest ignore)
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(widget-value-set
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(widget-demo-form-get 'repeat)
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'("En" "To" "Tre"))
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(widget-setup))
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"other work")
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(widget-insert
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" for more information.\n\nNumbers: count to three below\n")
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(widget-demo-form-create
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'repeat
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(widget-create 'editable-list
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:entry-format "%i %d %v"
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:notify (lambda (widget &rest ignore)
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(let ((old (widget-get widget
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':example-length))
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(new (length (widget-value widget))))
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(unless (eq old new)
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(widget-put widget ':example-length new)
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(message "You can count to %d." new))))
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:value '("One" "Eh, two?" "Five!")
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'(editable-field :value "three")))
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(widget-insert "\n\nSelect multiple:\n\n")
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(widget-create 'checkbox t)
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(widget-insert " This\n")
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(widget-create 'checkbox nil)
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(widget-insert " That\n")
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(widget-create 'checkbox
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:notify (lambda (&rest ignore) (message "Tickle"))
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t)
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(widget-insert " Thus\n\nSelect one:\n\n")
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(widget-create 'radio-button-choice
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:value "One"
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:notify (lambda (widget &rest ignore)
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(message "You selected %s"
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(widget-value widget)))
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'(item "One") '(item "Another One.") '(item "A Final One."))
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||||
(widget-insert "\n")
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(widget-create 'push-button
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:notify (lambda (&rest ignore)
|
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(if (= (length (widget-value (widget-demo-form-get 'repeat)))
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3)
|
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(message "Congratulation!")
|
||||
(error "Three was the count!")))
|
||||
"Apply Form")
|
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(widget-insert " ")
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (&rest ignore)
|
||||
(widget-example))
|
||||
"Reset Form")
|
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(widget-insert "\n"))
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||||
|
||||
(defun widget-demo-button ()
|
||||
;; simplest button
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||||
(widget-insert "The action to perform when click button is set to :notify ")
|
||||
(widget-create 'push-button
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||||
:notify (lambda (wid cwid &optional event)
|
||||
(if event
|
||||
(message "You click by mouse!")
|
||||
(message "Got it!")))
|
||||
"Push me")
|
||||
;; better looking button
|
||||
(widget-insert "\n\nYou can change the looking of the button by set :button-face and :format.\n")
|
||||
(widget-create 'push-button
|
||||
:format "This is %[ %t %] without prefix and suffix, and have different face.\n"
|
||||
:button-face 'custom-button
|
||||
:tag "button")
|
||||
;; deactivate button
|
||||
(widget-insert "\nWidget can be activated or deactivated.\n")
|
||||
(widget-create 'toggle
|
||||
:format "Turn %[%v%] the button: "
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||||
:button-face 'custom-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((but (widget-demo-form-get 'button)))
|
||||
(if (widget-apply but :active)
|
||||
(widget-apply but :deactivate)
|
||||
(widget-apply but :activate))))
|
||||
t)
|
||||
(widget-demo-form-create
|
||||
'button
|
||||
(widget-create 'push-button
|
||||
:format "%[%t%]\n"
|
||||
:button-face 'custom-button
|
||||
:tag "Button"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "Got it!"))))
|
||||
(widget-apply (widget-demo-form-get 'button) :deactivate)
|
||||
;; image button
|
||||
(widget-insert "\nHere is a button which label is a image: ")
|
||||
(widget-create 'push-button
|
||||
:format "%[%t%]"
|
||||
:tag-glyph (find-image `((:type xpm :file "refresh.xpm")))
|
||||
:tag "image"
|
||||
:notify (lambda (wid &rest ingore)
|
||||
(message "Create new file!")))
|
||||
;; link
|
||||
(widget-insert "\nThe link to ")
|
||||
(widget-create 'link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:button-face 'info-xref
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-goto "Choice#checklist"))
|
||||
"checklist")
|
||||
;; url-link
|
||||
(widget-insert " in Choice page.\n")
|
||||
(widget-insert "\nThe url-link to ")
|
||||
(widget-create 'url-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:format "%[emacswiki%]"
|
||||
:button-face 'info-xref
|
||||
"http://www.emacswiki.org")
|
||||
(widget-insert "\n")
|
||||
;; info-link
|
||||
(widget-insert "\nThe link to info node ")
|
||||
(widget-create 'info-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:button-face 'info-xref
|
||||
"widget"))
|
||||
|
||||
(defun widget-demo-text ()
|
||||
;; simpliest
|
||||
(widget-insert "A text field with label\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Label: %v")
|
||||
;; textfield size
|
||||
(widget-insert "\nThe size of text field can limit by setting :size\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Size 13: %v\n"
|
||||
:size 13)
|
||||
;; :notify
|
||||
(widget-insert "\nYou can add callback when the text is changed.\n")
|
||||
(widget-create 'editable-field
|
||||
:notify (lambda (wid changed &rest ingore)
|
||||
(message "Now the text is: %s" (widget-value changed))))
|
||||
;; how to use :action
|
||||
(widget-insert "\nIf you want do something when press enter, bind it to :action\n"
|
||||
"Press Enter to change each other: ")
|
||||
(widget-demo-form-create
|
||||
'left
|
||||
(widget-create 'editable-field
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-change-text wid 'right))
|
||||
:size 13
|
||||
"abc"))
|
||||
(widget-insert " <=> ")
|
||||
(widget-demo-form-create
|
||||
'right
|
||||
(widget-create 'editable-field
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-change-text wid 'left))
|
||||
:size 13
|
||||
"123"))
|
||||
(widget-insert "\n")
|
||||
;; password
|
||||
(widget-insert "\nThe textfield can used for input password\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Password: %v\n"
|
||||
:secret ?*)
|
||||
;; validate
|
||||
(widget-insert "\nA regexp can set to validate the text\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Tel: %v"
|
||||
:valid-regexp "\\`\\s-*[0-9]+\\([0-9]+-\\)*[0-9]+\\s-*\\'"
|
||||
:action (lambda (wid &rest ignore)
|
||||
(if (widget-apply wid :validate)
|
||||
(error "The telephone number is not valid: %s!" (widget-get wid :error))
|
||||
(message "%s is ok!" (widget-value wid)))))
|
||||
;; completion
|
||||
(widget-insert "\nCompletion can set to :complete-function.\n"
|
||||
"Try complete some symbols: ")
|
||||
(widget-create 'editable-field
|
||||
:complete-function 'lisp-complete-symbol)
|
||||
(widget-insert (propertize (concat
|
||||
"The default key to invoke completion is M-TAB, which is occupied in many window\n"
|
||||
"manager. Note that widget-field-keymap is replaced by custom-field-keymap in \n"
|
||||
"cus-edit.el(Line 4525). So if you want remap command widget-complete, define it\n"
|
||||
"in custom-field-keymap.\n")
|
||||
'face 'widget-inactive))
|
||||
;; deactivate text
|
||||
(widget-insert "\nClick the checkbox to activate the textfield.\n")
|
||||
(widget-create 'checkbox
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((text (widget-demo-form-get 'text))
|
||||
(but (widget-demo-form-get 'button)))
|
||||
(if (widget-apply text :active)
|
||||
(progn
|
||||
(widget-apply text :deactivate)
|
||||
(widget-apply but :deactivate))
|
||||
(progn
|
||||
(widget-apply text :activate)
|
||||
(widget-apply but :activate))))))
|
||||
(widget-demo-form-create
|
||||
'text
|
||||
(widget-create 'editable-field
|
||||
:format "Text: %v "
|
||||
:size 20))
|
||||
(widget-apply (widget-demo-form-get 'text) :deactivate)
|
||||
(widget-demo-form-create
|
||||
'button
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((text (widget-demo-form-get 'text))
|
||||
start)
|
||||
(save-excursion
|
||||
(goto-char (widget-field-start text))
|
||||
(forward-char (length (widget-value text)))
|
||||
(insert "a"))))
|
||||
"Append"))
|
||||
(widget-apply (widget-demo-form-get 'button) :deactivate)
|
||||
(widget-insert "\n")
|
||||
;; text
|
||||
(widget-insert "\nText is intended for multiline text.\n")
|
||||
(widget-create 'text :format "Input text: %v")
|
||||
;; editable list
|
||||
(widget-insert "\nEditable list is use for edit a list. ")
|
||||
(widget-create 'push-button
|
||||
:format "%[%v%]\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "%S" (widget-value (widget-demo-form-get 'editable-list))))
|
||||
"See Value")
|
||||
(widget-demo-form-create
|
||||
'editable-list
|
||||
(widget-create 'editable-list
|
||||
:foramt "%v %i %d\n"
|
||||
:value '("1" "2" "3")
|
||||
'(editable-field
|
||||
:current-index 3
|
||||
:value-to-external
|
||||
(lambda (wid value)
|
||||
(if (widget-get wid :parent)
|
||||
value
|
||||
(let ((idx (1+ (widget-get wid :current-index))))
|
||||
(widget-put wid :current-index idx)
|
||||
(number-to-string idx))))))))
|
||||
|
||||
;; maybe it is not work, because marker of :to is delete also
|
||||
(defun widget-demo-change-text (wid id)
|
||||
(let ((other (widget-demo-form-get id)))
|
||||
(save-excursion
|
||||
(goto-char (widget-field-start other))
|
||||
(delete-region (point) (widget-field-end other))
|
||||
(insert (widget-value wid)))))
|
||||
|
||||
(defun widget-demo-choice ()
|
||||
;; menu choice
|
||||
(widget-insert "Here is a menu choice. The label is set by :tag, and the default item is\n"
|
||||
"the child item that :value match the :value of the menu choice.\n")
|
||||
(widget-demo-form-create
|
||||
'menu-choice
|
||||
(widget-create 'menu-choice
|
||||
:tag "Menu choices"
|
||||
:button-face 'custom-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "Current value: %S" (widget-value wid)))
|
||||
:value 'const-variable
|
||||
'(push-button :tag "button"
|
||||
:format "%[%t%]\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "button activate"))
|
||||
"This is button")
|
||||
'(item :tag "item" :value "This is item")
|
||||
'(choice-item :tag "choice" "This is choice item")
|
||||
'(const :tag "const" const-variable)
|
||||
'(editable-field :menu-tag "editable field" "text")))
|
||||
;; toggle
|
||||
(widget-insert "\nToggle is used for switch a flag: ")
|
||||
(widget-create 'toggle
|
||||
:on "turn on"
|
||||
:off "turn off"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message (concat "turn the option "
|
||||
(if (widget-value wid) "on" "off"))))
|
||||
t)
|
||||
;; check box
|
||||
(widget-insert "\nCheck box is like toggle: ")
|
||||
(widget-create 'checkbox
|
||||
:format "%[%v%] Option\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message (concat "Option "
|
||||
(if (widget-value wid)
|
||||
"selected" "unselected"))))
|
||||
t)
|
||||
;; radio button
|
||||
(widget-insert "\nRadio button is used for select one from a list.\n")
|
||||
(widget-create 'radio-button-choice
|
||||
:value "One"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "You select %S %s"
|
||||
(widget-type wid)
|
||||
(widget-value wid)))
|
||||
'(item "One")
|
||||
'(item "Two")
|
||||
'(item "Three"))
|
||||
(widget-insert "\n")
|
||||
;; checklist
|
||||
(widget-demo-create-anchor "checklist")
|
||||
(widget-insert "Checklist is used for multiple choices from a list.\n")
|
||||
(widget-create 'checklist
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "The value is %S" (widget-value wid)))
|
||||
'(item "one")
|
||||
'(item "two")
|
||||
'(item "three")))
|
||||
;;}}}
|
||||
|
||||
;;{{{ Widget tree
|
||||
(defun widget-tree-ancestor (widget)
|
||||
(let ((parent (car (get widget 'widget-type))))
|
||||
(if parent
|
||||
(cons widget (widget-tree-ancestor parent)))))
|
||||
|
||||
(defvar widget-tree-list nil
|
||||
"Inherit tree of all widget")
|
||||
|
||||
(defun widget-tree-build ()
|
||||
(let (list seen ancestor tree-list)
|
||||
(mapatoms (lambda (a)
|
||||
(and (get a 'widget-type)
|
||||
(push a list)))
|
||||
obarray)
|
||||
(setq list (remq 'default list))
|
||||
(while list
|
||||
(setq ancestor (nreverse (widget-tree-ancestor (car list))))
|
||||
(setq parent 'default)
|
||||
(dolist (type ancestor)
|
||||
(unless (member type seen)
|
||||
(setq alist (assoc parent tree-list)
|
||||
tree-list (delq alist tree-list)
|
||||
alist (cons parent (cons type (cdr alist)))
|
||||
tree-list (cons alist tree-list)
|
||||
list (delq type list))
|
||||
(push type seen))
|
||||
(setq parent type)))
|
||||
(setq widget-tree-list tree-list)))
|
||||
|
||||
(defun widget-tree-browse (but &rest ignore)
|
||||
(if (= (length (window-list)) 1)
|
||||
(split-window))
|
||||
(save-selected-window
|
||||
(other-window 1)
|
||||
(widget-browse (intern (widget-get but :tag)))))
|
||||
|
||||
(defun widget-tree-widget (type)
|
||||
(let ((list (assoc type widget-tree-list)))
|
||||
(if list
|
||||
`(tree-widget
|
||||
:node (push-button
|
||||
:tag ,(symbol-name type)
|
||||
:format "%[%t%]\n"
|
||||
:notify widget-tree-browse)
|
||||
:dynargs widget-tree-expand)
|
||||
`(push-button
|
||||
:format "%[%t%]\n"
|
||||
:tag ,(symbol-name type)
|
||||
:notify widget-tree-browse))))
|
||||
|
||||
(defun widget-tree-expand (tree)
|
||||
(or (widget-get tree :args)
|
||||
(let ((type (intern (widget-get (tree-widget-node tree) :tag))))
|
||||
(mapcar 'widget-tree-widget
|
||||
(cdr (assoc type widget-tree-list))))))
|
||||
|
||||
(defun widget-tree ()
|
||||
(widget-insert
|
||||
"This is a list of all defined widget. The tree-widget show the
|
||||
inherit relationship of the widget.\n\n")
|
||||
|
||||
(widget-insert " You can click the button to browse the widget.\n\n")
|
||||
(unless widget-tree-list
|
||||
(widget-tree-build))
|
||||
(widget-apply-action
|
||||
(widget-create (widget-tree-widget 'default)))
|
||||
(if (require 'tree-mode nil t)
|
||||
(tree-minor-mode t)
|
||||
(widget-insert "\n\n")
|
||||
(widget-insert " I recommend you use ")
|
||||
(widget-create 'url-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:format "%[tree-mode%]"
|
||||
:button-face 'info-xref
|
||||
"http://www.emacswiki.org/cgi-bin/wiki/tree-mode.el")
|
||||
(widget-insert " to browse tree-widget.\n\n")))
|
||||
;;}}}
|
||||
|
||||
(provide 'dtos-demo)
|
||||
;;; widget-demo.el ends here
|
||||
@ -1,701 +0,0 @@
|
||||
;;; widget-demo.el --- Some recipes for creating widgets
|
||||
|
||||
;; Copyright 2007 Ye Wenbin
|
||||
;;
|
||||
;; Author: wenbinye@gmail.com
|
||||
;; Version: $Id: widget-demo.el,v 0.0 2007/11/13 17:50:14 ywb Exp $
|
||||
;; Keywords:
|
||||
;; X-URL: not distributed yet
|
||||
|
||||
;; This program 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 program 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 this program; if not, write to the Free Software
|
||||
;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
;;; Commentary:
|
||||
;; The widget document is not easy to understand. I think the
|
||||
;; quick way to use widget is learning from examples. So I wrote
|
||||
;; this library to help others understand and use widget quickly.
|
||||
;;
|
||||
;; I'm not expert at widget, so there may be something wrong in the
|
||||
;; code. If you found it, please let me know.
|
||||
;;
|
||||
|
||||
;;; Add New Page:
|
||||
;; You can test you widget definition by add it as a new page to
|
||||
;; widget demo. You can benefit from without write the code to
|
||||
;; creating buffer and the key bindings of `widget-demo-mode'. Here is
|
||||
;; a simple example to add new widget demo page:
|
||||
;;
|
||||
;; (defun widget-demo-tree-test ()
|
||||
;; (widget-insert "Tree:\n")
|
||||
;; (widget-create
|
||||
;; '(tree-widget
|
||||
;; :node (push-button :format "%[%t%]\n" :tag "hello")
|
||||
;; :open t
|
||||
;; (push-button :format "%[%t%]\n" :tag "node1")
|
||||
;; (push-button :format "%[%t%]\n" :tag "node2"))))
|
||||
;; (widget-demo-add-page "Tree Test" 'widget-demo-tree-test)
|
||||
|
||||
;;; TODO:
|
||||
;; 1. Add tree-widget
|
||||
;; 2. Add complex widget create by using several types of widget and
|
||||
;; using group.
|
||||
;; 3. Add tutorial about defining new widget
|
||||
;; 4. Add a macro for simplified page definition. For example:
|
||||
;; (widget-demo-insert
|
||||
;; "Some text here"
|
||||
;; (button :notify callback "label")
|
||||
;; "More text"
|
||||
;; (editable-field :form-id identifier))
|
||||
|
||||
;; Put this file into your load-path and the following into your ~/.emacs:
|
||||
;; (autoload 'widget-demo "widget-demo" "Show demo of widget" t)
|
||||
|
||||
;;; Code:
|
||||
|
||||
(eval-when-compile
|
||||
(require 'cl-lib))
|
||||
(require 'info)
|
||||
(require 'tree-widget)
|
||||
|
||||
(defvar widget-demo-buffer-name "*Widget Demo*"
|
||||
"*Name of the widget demo buffer")
|
||||
|
||||
(defvar widget-demo-list
|
||||
'(("Contents" widget-demo-contents :header "Widget Demo")
|
||||
("Example" widget-demo-example :header "Example in info")
|
||||
("WidgetTree" widget-tree :header "Widget Tree")
|
||||
("Button" widget-demo-button)
|
||||
("Text" widget-demo-text)
|
||||
("Choice" widget-demo-choice)
|
||||
)
|
||||
"A list of pages to show.")
|
||||
|
||||
(defvar widget-demo-current nil
|
||||
"Current page in `widget-demo-list'.")
|
||||
|
||||
(defvar widget-demo-form nil
|
||||
"A table for lookup widget created in current buffer.")
|
||||
|
||||
(defvar widget-demo-anchors nil
|
||||
"A table for lookup markers created in current buffer.")
|
||||
|
||||
(defvar widget-demo-mode-map
|
||||
(let ((map (make-sparse-keymap)))
|
||||
(set-keymap-parent map widget-keymap)
|
||||
(define-key map "n" 'widget-demo-next)
|
||||
(define-key map "p" 'widget-demo-previous)
|
||||
(define-key map "u" 'widget-demo)
|
||||
(define-key map "t" 'widget-demo)
|
||||
(dolist (num (number-sequence ?1 ?9))
|
||||
(define-key map (char-to-string num) 'widget-demo-goto-page))
|
||||
;; this command may be helpful for debug
|
||||
(define-key map "r" 'widget-demo-reflesh)
|
||||
(define-key map "\C-c\C-s" 'widget-demo-show-source)
|
||||
(define-key map "\C-c\C-n" 'widget-demo-next)
|
||||
(define-key map "\C-c\C-p" 'widget-demo-previous)
|
||||
(define-key map "\C-c\C-u" 'widget-demo)
|
||||
(define-key map "\C-c\C-t" 'widget-demo)
|
||||
map)
|
||||
"Keymap to use in *Widget Demo* buffer.")
|
||||
|
||||
(defvar widget-demo-menu nil)
|
||||
(unless widget-demo-menu
|
||||
(easy-menu-define
|
||||
widget-demo-menu widget-demo-mode-map "Widget Demo"
|
||||
`("Widget"
|
||||
["Next Page" widget-demo-next t]
|
||||
["Previous Page" widget-demo-previous t]
|
||||
["Top" widget-demo t]
|
||||
["Refresh" widget-demo-reflesh t]
|
||||
"--"
|
||||
,@(mapcar (lambda (p)
|
||||
(vector (car p) 'widget-demo-menu-goto t))
|
||||
widget-demo-list))))
|
||||
|
||||
;;{{{ Helper functions
|
||||
(defun widget-demo-menu-goto ()
|
||||
(interactive)
|
||||
(widget-demo-goto (symbol-name last-command-event)))
|
||||
|
||||
(defun widget-demo-form-create (id widget)
|
||||
(if (assoc id widget-demo-form)
|
||||
(error "identifier %S is used!" id)
|
||||
(push (cons id widget) widget-demo-form)))
|
||||
|
||||
(defun widget-demo-form-add (id widget)
|
||||
(let ((old (assoc id widget-demo-form)))
|
||||
(if old
|
||||
(setcdr old widget)
|
||||
(push (cons id widget) widget-demo-form))))
|
||||
|
||||
(defun widget-demo-form-get (id)
|
||||
(cdr (assoc id widget-demo-form)))
|
||||
|
||||
(defun widget-demo-create-anchor (anchor)
|
||||
(push (cons anchor (point-marker)) widget-demo-anchors))
|
||||
|
||||
(defun widget-demo-resolve-link (name)
|
||||
"Return the Next, Top, Next page."
|
||||
(let* ((page (assoc name widget-demo-list))
|
||||
(rest (member page widget-demo-list))
|
||||
(len (length rest))
|
||||
next previous)
|
||||
;; the contents only list next
|
||||
(if (eq page (car widget-demo-list))
|
||||
(list (cadr widget-demo-list))
|
||||
(if (= len 1)
|
||||
(setq next nil)
|
||||
(setq next (cadr rest)))
|
||||
(setq previous (nth (- (length widget-demo-list) len 1)
|
||||
widget-demo-list))
|
||||
(list next (car widget-demo-list) previous))))
|
||||
|
||||
(defun widget-demo-add-page (&rest page)
|
||||
"add new PAGE to widget-demo.
|
||||
The page is constituted by
|
||||
|
||||
(PAGE-NAME PAGE-DEFINITION [KEYWORD VALUE]).
|
||||
|
||||
Current only keyword :header is supported, which value is a string
|
||||
to display in menu and the header of buffer instead of the page-name."
|
||||
(setq widget-demo-list
|
||||
(append widget-demo-list (list page))))
|
||||
|
||||
(defun widget-demo-remove-page (name)
|
||||
(setq widget-demo-list
|
||||
(delq (assoc name widget-demo-list)
|
||||
widget-demo-list)))
|
||||
;;}}}
|
||||
|
||||
;;{{{ Commands
|
||||
;;;###autoload
|
||||
(defun widget-demo ()
|
||||
"Show widget demo."
|
||||
(interactive)
|
||||
(switch-to-buffer widget-demo-buffer-name)
|
||||
(widget-demo-goto "Contents"))
|
||||
|
||||
(define-derived-mode widget-demo-mode nil "WDemo"
|
||||
"Widget demo.
|
||||
\\{widget-demo-mode-map}"
|
||||
(make-local-variable 'widget-demo-form)
|
||||
(make-local-variable 'widget-demo-anchors))
|
||||
|
||||
(defun widget-demo-goto (link)
|
||||
(interactive
|
||||
(list (completing-read "Goto: " widget-demo-list nil t)))
|
||||
(switch-to-buffer widget-demo-buffer-name)
|
||||
(widget-demo-mode)
|
||||
(setq link (split-string link "#"))
|
||||
(let* ((inhibit-read-only t)
|
||||
(name (car link))
|
||||
(anchor (cadr link))
|
||||
(page (assoc name widget-demo-list)))
|
||||
(erase-buffer)
|
||||
(remove-overlays)
|
||||
(setq widget-demo-current name)
|
||||
;; insert buttons
|
||||
(let ((links (widget-demo-resolve-link name))
|
||||
(label '("Next" "Contents" "Prev")))
|
||||
(dolist (link links)
|
||||
(when link
|
||||
(widget-create 'push-button
|
||||
:format
|
||||
(if (string= (car label) "Contents")
|
||||
"%[Contents%]"
|
||||
(format "%%t: %%[%s%%]" (car link)))
|
||||
:button-face 'info-xref
|
||||
:tag (car label)
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(widget-demo-goto (widget-value wid)))
|
||||
(car link))
|
||||
(widget-insert " "))
|
||||
(setq label (cdr label))))
|
||||
;; insert title
|
||||
(widget-insert "\n\n ")
|
||||
(widget-insert
|
||||
(propertize
|
||||
(or (plist-get page :header) (car page))
|
||||
'face 'info-title-1))
|
||||
(widget-insert "\n\n")
|
||||
(funcall (cadr page))
|
||||
;; if there is an anchor, jump to the anchor
|
||||
(if (and anchor
|
||||
(setq anchor (assoc-default anchor widget-demo-anchors)))
|
||||
(goto-char anchor)
|
||||
(goto-char (point-min)))
|
||||
(widget-setup)
|
||||
(use-local-map widget-demo-mode-map)))
|
||||
|
||||
(defun widget-demo-next ()
|
||||
(interactive)
|
||||
(let ((links (widget-demo-resolve-link widget-demo-current)))
|
||||
(if (car links)
|
||||
(widget-demo-goto (caar links))
|
||||
(message "No next pages!"))))
|
||||
|
||||
(defun widget-demo-previous ()
|
||||
(interactive)
|
||||
(let ((links (widget-demo-resolve-link widget-demo-current)))
|
||||
(if (nth 2 links)
|
||||
(widget-demo-goto (car (nth 2 links)))
|
||||
(message "No previous pages!"))))
|
||||
|
||||
(defun widget-demo-goto-page ()
|
||||
(interactive)
|
||||
(let ((num (- last-command-event ?0)))
|
||||
(if (< num (length widget-demo-list))
|
||||
(widget-demo-goto (car (nth num widget-demo-list)))
|
||||
(message "Only %d pages!" (length widget-demo-list)))))
|
||||
|
||||
(defun widget-demo-reflesh ()
|
||||
(interactive)
|
||||
(widget-demo-goto widget-demo-current))
|
||||
|
||||
(defun widget-demo-show-source ()
|
||||
(interactive)
|
||||
(let ((page (assoc widget-demo-current widget-demo-list)))
|
||||
(with-selected-window
|
||||
(display-buffer
|
||||
(find-file-noselect (find-library-name "widget-demo")))
|
||||
(imenu (symbol-name (cadr page)))
|
||||
(recenter 1))))
|
||||
;;}}}
|
||||
|
||||
;;{{{ Pages
|
||||
(defun widget-demo-contents ()
|
||||
(let ((idx 1))
|
||||
(dolist (page (cdr widget-demo-list))
|
||||
(widget-insert (format "%3d. " idx))
|
||||
(widget-create 'link
|
||||
:format "%[%t%]"
|
||||
:tag (or (plist-get page :header) (car page))
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:notify (lambda (widget &rest ignore)
|
||||
(widget-demo-goto (widget-value widget)))
|
||||
(car page))
|
||||
(widget-insert "\n")
|
||||
(setq idx (1+ idx)))))
|
||||
|
||||
(defun widget-demo-example ()
|
||||
(widget-insert "Here is some documentation.\n\n")
|
||||
(widget-create 'editable-field
|
||||
:size 13
|
||||
:format "Name: %v " ; Text after the field!
|
||||
"My Name")
|
||||
(widget-create 'menu-choice
|
||||
:tag "Choose"
|
||||
:value "This"
|
||||
:help-echo "Choose me, please!"
|
||||
:notify (lambda (widget &rest ignore)
|
||||
(message "%s is a good choice!"
|
||||
(widget-value widget)))
|
||||
'(item :tag "This option" :value "This")
|
||||
'(choice-item "That option")
|
||||
'(editable-field :menu-tag "No option" "Thus option"))
|
||||
(widget-create 'editable-field
|
||||
:format "Address: %v"
|
||||
"Some Place\nIn some City\nSome country.")
|
||||
(widget-insert "\nSee also ")
|
||||
(widget-create 'link
|
||||
:notify (lambda (&rest ignore)
|
||||
(widget-value-set
|
||||
(widget-demo-form-get 'repeat)
|
||||
'("En" "To" "Tre"))
|
||||
(widget-setup))
|
||||
"other work")
|
||||
(widget-insert
|
||||
" for more information.\n\nNumbers: count to three below\n")
|
||||
(widget-demo-form-create
|
||||
'repeat
|
||||
(widget-create 'editable-list
|
||||
:entry-format "%i %d %v"
|
||||
:notify (lambda (widget &rest ignore)
|
||||
(let ((old (widget-get widget
|
||||
':example-length))
|
||||
(new (length (widget-value widget))))
|
||||
(unless (eq old new)
|
||||
(widget-put widget ':example-length new)
|
||||
(message "You can count to %d." new))))
|
||||
:value '("One" "Eh, two?" "Five!")
|
||||
'(editable-field :value "three")))
|
||||
(widget-insert "\n\nSelect multiple:\n\n")
|
||||
(widget-create 'checkbox t)
|
||||
(widget-insert " This\n")
|
||||
(widget-create 'checkbox nil)
|
||||
(widget-insert " That\n")
|
||||
(widget-create 'checkbox
|
||||
:notify (lambda (&rest ignore) (message "Tickle"))
|
||||
t)
|
||||
(widget-insert " Thus\n\nSelect one:\n\n")
|
||||
(widget-create 'radio-button-choice
|
||||
:value "One"
|
||||
:notify (lambda (widget &rest ignore)
|
||||
(message "You selected %s"
|
||||
(widget-value widget)))
|
||||
'(item "One") '(item "Another One.") '(item "A Final One."))
|
||||
(widget-insert "\n")
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (&rest ignore)
|
||||
(if (= (length (widget-value (widget-demo-form-get 'repeat)))
|
||||
3)
|
||||
(message "Congratulation!")
|
||||
(error "Three was the count!")))
|
||||
"Apply Form")
|
||||
(widget-insert " ")
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (&rest ignore)
|
||||
(widget-example))
|
||||
"Reset Form")
|
||||
(widget-insert "\n"))
|
||||
|
||||
(defun widget-demo-button ()
|
||||
;; simplest button
|
||||
(widget-insert "The action to perform when click button is set to :notify ")
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (wid cwid &optional event)
|
||||
(if event
|
||||
(message "You click by mouse!")
|
||||
(message "Got it!")))
|
||||
"Push me")
|
||||
;; better looking button
|
||||
(widget-insert "\n\nYou can change the looking of the button by set :button-face and :format.\n")
|
||||
(widget-create 'push-button
|
||||
:format "This is %[ %t %] without prefix and suffix, and have different face.\n"
|
||||
:button-face 'custom-button
|
||||
:tag "button")
|
||||
;; deactivate button
|
||||
(widget-insert "\nWidget can be activated or deactivated.\n")
|
||||
(widget-create 'toggle
|
||||
:format "Turn %[%v%] the button: "
|
||||
:button-face 'custom-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((but (widget-demo-form-get 'button)))
|
||||
(if (widget-apply but :active)
|
||||
(widget-apply but :deactivate)
|
||||
(widget-apply but :activate))))
|
||||
t)
|
||||
(widget-demo-form-create
|
||||
'button
|
||||
(widget-create 'push-button
|
||||
:format "%[%t%]\n"
|
||||
:button-face 'custom-button
|
||||
:tag "Button"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "Got it!"))))
|
||||
(widget-apply (widget-demo-form-get 'button) :deactivate)
|
||||
;; image button
|
||||
(widget-insert "\nHere is a button which label is a image: ")
|
||||
(widget-create 'push-button
|
||||
:format "%[%t%]"
|
||||
:tag-glyph (find-image `((:type xpm :file "refresh.xpm")))
|
||||
:tag "image"
|
||||
:notify (lambda (wid &rest ingore)
|
||||
(message "Create new file!")))
|
||||
;; link
|
||||
(widget-insert "\nThe link to ")
|
||||
(widget-create 'link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:button-face 'info-xref
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-goto "Choice#checklist"))
|
||||
"checklist")
|
||||
;; url-link
|
||||
(widget-insert " in Choice page.\n")
|
||||
(widget-insert "\nThe url-link to ")
|
||||
(widget-create 'url-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:format "%[emacswiki%]"
|
||||
:button-face 'info-xref
|
||||
"http://www.emacswiki.org")
|
||||
(widget-insert "\n")
|
||||
;; info-link
|
||||
(widget-insert "\nThe link to info node ")
|
||||
(widget-create 'info-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:button-face 'info-xref
|
||||
"widget"))
|
||||
|
||||
(defun widget-demo-text ()
|
||||
;; simpliest
|
||||
(widget-insert "A text field with label\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Label: %v")
|
||||
;; textfield size
|
||||
(widget-insert "\nThe size of text field can limit by setting :size\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Size 13: %v\n"
|
||||
:size 13)
|
||||
;; :notify
|
||||
(widget-insert "\nYou can add callback when the text is changed.\n")
|
||||
(widget-create 'editable-field
|
||||
:notify (lambda (wid changed &rest ingore)
|
||||
(message "Now the text is: %s" (widget-value changed))))
|
||||
;; how to use :action
|
||||
(widget-insert "\nIf you want do something when press enter, bind it to :action\n"
|
||||
"Press Enter to change each other: ")
|
||||
(widget-demo-form-create
|
||||
'left
|
||||
(widget-create 'editable-field
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-change-text wid 'right))
|
||||
:size 13
|
||||
"abc"))
|
||||
(widget-insert " <=> ")
|
||||
(widget-demo-form-create
|
||||
'right
|
||||
(widget-create 'editable-field
|
||||
:action (lambda (wid &rest ignore)
|
||||
(widget-demo-change-text wid 'left))
|
||||
:size 13
|
||||
"123"))
|
||||
(widget-insert "\n")
|
||||
;; password
|
||||
(widget-insert "\nThe textfield can used for input password\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Password: %v\n"
|
||||
:secret ?*)
|
||||
;; validate
|
||||
(widget-insert "\nA regexp can set to validate the text\n")
|
||||
(widget-create 'editable-field
|
||||
:format "Tel: %v"
|
||||
:valid-regexp "\\`\\s-*[0-9]+\\([0-9]+-\\)*[0-9]+\\s-*\\'"
|
||||
:action (lambda (wid &rest ignore)
|
||||
(if (widget-apply wid :validate)
|
||||
(error "The telephone number is not valid: %s!" (widget-get wid :error))
|
||||
(message "%s is ok!" (widget-value wid)))))
|
||||
;; completion
|
||||
(widget-insert "\nCompletion can set to :complete-function.\n"
|
||||
"Try complete some symbols: ")
|
||||
(widget-create 'editable-field
|
||||
:complete-function 'lisp-complete-symbol)
|
||||
(widget-insert (propertize (concat
|
||||
"The default key to invoke completion is M-TAB, which is occupied in many window\n"
|
||||
"manager. Note that widget-field-keymap is replaced by custom-field-keymap in \n"
|
||||
"cus-edit.el(Line 4525). So if you want remap command widget-complete, define it\n"
|
||||
"in custom-field-keymap.\n")
|
||||
'face 'widget-inactive))
|
||||
;; deactivate text
|
||||
(widget-insert "\nClick the checkbox to activate the textfield.\n")
|
||||
(widget-create 'checkbox
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((text (widget-demo-form-get 'text))
|
||||
(but (widget-demo-form-get 'button)))
|
||||
(if (widget-apply text :active)
|
||||
(progn
|
||||
(widget-apply text :deactivate)
|
||||
(widget-apply but :deactivate))
|
||||
(progn
|
||||
(widget-apply text :activate)
|
||||
(widget-apply but :activate))))))
|
||||
(widget-demo-form-create
|
||||
'text
|
||||
(widget-create 'editable-field
|
||||
:format "Text: %v "
|
||||
:size 20))
|
||||
(widget-apply (widget-demo-form-get 'text) :deactivate)
|
||||
(widget-demo-form-create
|
||||
'button
|
||||
(widget-create 'push-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(let ((text (widget-demo-form-get 'text))
|
||||
start)
|
||||
(save-excursion
|
||||
(goto-char (widget-field-start text))
|
||||
(forward-char (length (widget-value text)))
|
||||
(insert "a"))))
|
||||
"Append"))
|
||||
(widget-apply (widget-demo-form-get 'button) :deactivate)
|
||||
(widget-insert "\n")
|
||||
;; text
|
||||
(widget-insert "\nText is intended for multiline text.\n")
|
||||
(widget-create 'text :format "Input text: %v")
|
||||
;; editable list
|
||||
(widget-insert "\nEditable list is use for edit a list. ")
|
||||
(widget-create 'push-button
|
||||
:format "%[%v%]\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "%S" (widget-value (widget-demo-form-get 'editable-list))))
|
||||
"See Value")
|
||||
(widget-demo-form-create
|
||||
'editable-list
|
||||
(widget-create 'editable-list
|
||||
:foramt "%v %i %d\n"
|
||||
:value '("1" "2" "3")
|
||||
'(editable-field
|
||||
:current-index 3
|
||||
:value-to-external
|
||||
(lambda (wid value)
|
||||
(if (widget-get wid :parent)
|
||||
value
|
||||
(let ((idx (1+ (widget-get wid :current-index))))
|
||||
(widget-put wid :current-index idx)
|
||||
(number-to-string idx))))))))
|
||||
|
||||
;; maybe it is not work, because marker of :to is delete also
|
||||
(defun widget-demo-change-text (wid id)
|
||||
(let ((other (widget-demo-form-get id)))
|
||||
(save-excursion
|
||||
(goto-char (widget-field-start other))
|
||||
(delete-region (point) (widget-field-end other))
|
||||
(insert (widget-value wid)))))
|
||||
|
||||
(defun widget-demo-choice ()
|
||||
;; menu choice
|
||||
(widget-insert "Here is a menu choice. The label is set by :tag, and the default item is\n"
|
||||
"the child item that :value match the :value of the menu choice.\n")
|
||||
(widget-demo-form-create
|
||||
'menu-choice
|
||||
(widget-create 'menu-choice
|
||||
:tag "Menu choices"
|
||||
:button-face 'custom-button
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "Current value: %S" (widget-value wid)))
|
||||
:value 'const-variable
|
||||
'(push-button :tag "button"
|
||||
:format "%[%t%]\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "button activate"))
|
||||
"This is button")
|
||||
'(item :tag "item" :value "This is item")
|
||||
'(choice-item :tag "choice" "This is choice item")
|
||||
'(const :tag "const" const-variable)
|
||||
'(editable-field :menu-tag "editable field" "text")))
|
||||
;; toggle
|
||||
(widget-insert "\nToggle is used for switch a flag: ")
|
||||
(widget-create 'toggle
|
||||
:on "turn on"
|
||||
:off "turn off"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message (concat "turn the option "
|
||||
(if (widget-value wid) "on" "off"))))
|
||||
t)
|
||||
;; check box
|
||||
(widget-insert "\nCheck box is like toggle: ")
|
||||
(widget-create 'checkbox
|
||||
:format "%[%v%] Option\n"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message (concat "Option "
|
||||
(if (widget-value wid)
|
||||
"selected" "unselected"))))
|
||||
t)
|
||||
;; radio button
|
||||
(widget-insert "\nRadio button is used for select one from a list.\n")
|
||||
(widget-create 'radio-button-choice
|
||||
:value "One"
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "You select %S %s"
|
||||
(widget-type wid)
|
||||
(widget-value wid)))
|
||||
'(item "One")
|
||||
'(item "Two")
|
||||
'(item "Three"))
|
||||
(widget-insert "\n")
|
||||
;; checklist
|
||||
(widget-demo-create-anchor "checklist")
|
||||
(widget-insert "Checklist is used for multiple choices from a list.\n")
|
||||
(widget-create 'checklist
|
||||
:notify (lambda (wid &rest ignore)
|
||||
(message "The value is %S" (widget-value wid)))
|
||||
'(item "one")
|
||||
'(item "two")
|
||||
'(item "three")))
|
||||
;;}}}
|
||||
|
||||
;;{{{ Widget tree
|
||||
(defun widget-tree-ancestor (widget)
|
||||
(let ((parent (car (get widget 'widget-type))))
|
||||
(if parent
|
||||
(cons widget (widget-tree-ancestor parent)))))
|
||||
|
||||
(defvar widget-tree-list nil
|
||||
"Inherit tree of all widget")
|
||||
|
||||
(defun widget-tree-build ()
|
||||
(let (list seen ancestor tree-list)
|
||||
(mapatoms (lambda (a)
|
||||
(and (get a 'widget-type)
|
||||
(push a list)))
|
||||
obarray)
|
||||
(setq list (remq 'default list))
|
||||
(while list
|
||||
(setq ancestor (nreverse (widget-tree-ancestor (car list))))
|
||||
(setq parent 'default)
|
||||
(dolist (type ancestor)
|
||||
(unless (member type seen)
|
||||
(setq alist (assoc parent tree-list)
|
||||
tree-list (delq alist tree-list)
|
||||
alist (cons parent (cons type (cdr alist)))
|
||||
tree-list (cons alist tree-list)
|
||||
list (delq type list))
|
||||
(push type seen))
|
||||
(setq parent type)))
|
||||
(setq widget-tree-list tree-list)))
|
||||
|
||||
(defun widget-tree-browse (but &rest ignore)
|
||||
(if (= (length (window-list)) 1)
|
||||
(split-window))
|
||||
(save-selected-window
|
||||
(other-window 1)
|
||||
(widget-browse (intern (widget-get but :tag)))))
|
||||
|
||||
(defun widget-tree-widget (type)
|
||||
(let ((list (assoc type widget-tree-list)))
|
||||
(if list
|
||||
`(tree-widget
|
||||
:node (push-button
|
||||
:tag ,(symbol-name type)
|
||||
:format "%[%t%]\n"
|
||||
:notify widget-tree-browse)
|
||||
:dynargs widget-tree-expand)
|
||||
`(push-button
|
||||
:format "%[%t%]\n"
|
||||
:tag ,(symbol-name type)
|
||||
:notify widget-tree-browse))))
|
||||
|
||||
(defun widget-tree-expand (tree)
|
||||
(or (widget-get tree :args)
|
||||
(let ((type (intern (widget-get (tree-widget-node tree) :tag))))
|
||||
(mapcar 'widget-tree-widget
|
||||
(cdr (assoc type widget-tree-list))))))
|
||||
|
||||
(defun widget-tree ()
|
||||
(widget-insert
|
||||
"This is a list of all defined widget. The tree-widget show the
|
||||
inherit relationship of the widget.\n\n")
|
||||
|
||||
(widget-insert " You can click the button to browse the widget.\n\n")
|
||||
(unless widget-tree-list
|
||||
(widget-tree-build))
|
||||
(widget-apply-action
|
||||
(widget-create (widget-tree-widget 'default)))
|
||||
(if (require 'tree-mode nil t)
|
||||
(tree-minor-mode t)
|
||||
(widget-insert "\n\n")
|
||||
(widget-insert " I recommend you use ")
|
||||
(widget-create 'url-link
|
||||
:button-prefix ""
|
||||
:button-suffix ""
|
||||
:format "%[tree-mode%]"
|
||||
:button-face 'info-xref
|
||||
"http://www.emacswiki.org/cgi-bin/wiki/tree-mode.el")
|
||||
(widget-insert " to browse tree-widget.\n\n")))
|
||||
;;}}}
|
||||
|
||||
(provide 'widget-demo)
|
||||
;;; widget-demo.el ends here
|
||||
Loading…
Reference in New Issue
Block a user