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1 ;;; widget-example.el -- example of using the widget library
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2
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3 ;; Copyright (C) 1996 Free Software Foundation, Inc.
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4 ;;
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5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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6 ;; Keywords: help, extensions, faces, hypermedia
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7 ;; Version: 1.46
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8 ;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
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9
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10 (require 'widget)
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11
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12 (eval-when-compile
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13 (require 'widget-edit))
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14
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15 (defvar widget-example-repeat)
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16
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17 (defun widget-example ()
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18 "Create the widgets from the Widget manual."
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19 (interactive)
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20 (switch-to-buffer "*Widget Example*")
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21 (kill-all-local-variables)
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22 (make-local-variable 'widget-example-repeat)
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23 (let ((inhibit-read-only t))
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24 (erase-buffer))
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25 (widget-insert "Here is some documentation.\n\n")
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26 (widget-create 'editable-field
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27 :size 12
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28 :format "Name: %v "
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29 "My Name")
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30 (widget-create 'menu-choice
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31 :tag "Choose"
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32 :value "This"
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33 :help-echo "Choose me, please!"
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34 :notify (lambda (widget &rest ignore)
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35 (message "%s is a good choice!"
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36 (widget-value widget)))
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37 '(item :tag "This option" :value "This")
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38 '(choice-item "That option")
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39 '(editable-field :menu-tag "No option" "Thus option"))
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40 (widget-insert "Address: ")
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41 (widget-create 'editable-field
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42 "Some Place\nIn some City\nSome country.")
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43 (widget-insert "\nSee also ")
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44 (widget-create 'link
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45 :notify (lambda (&rest ignore)
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46 (widget-value-set widget-example-repeat
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47 '("En" "To" "Tre"))
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48 (widget-setup))
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49 "other work")
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50 (widget-insert " for more information.\n\nNumbers: count to three below\n")
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51 (setq widget-example-repeat
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52 (widget-create 'editable-list
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53 :entry-format "%i %d %v"
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54 :notify (lambda (widget &rest ignore)
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55 (let ((old (widget-get widget
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56 ':example-length))
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57 (new (length (widget-value widget))))
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58 (unless (eq old new)
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59 (widget-put widget ':example-length new)
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60 (message "You can count to %d." new))))
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61 :value '("One" "Eh, two?" "Five!")
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62 '(editable-field :value "three")))
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63 (widget-insert "\n\nSelect multiple:\n\n")
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64 (widget-create 'checkbox t)
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65 (widget-insert " This\n")
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66 (widget-create 'checkbox nil)
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67 (widget-insert " That\n")
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68 (widget-create 'checkbox
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69 :notify (lambda (&rest ignore) (message "Tickle"))
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70 t)
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71 (widget-insert " Thus\n\nSelect one:\n\n")
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72 (widget-create 'radio-button-choice
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73 :value "One"
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74 :notify (lambda (widget &rest ignore)
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75 (message "You selected %s"
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76 (widget-value widget)))
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77 '(item "One") '(item "Anthor One.") '(item "A Final One."))
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78 (widget-insert "\n")
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79 (widget-create 'push-button
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80 :notify (lambda (&rest ignore)
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81 (if (= (length (widget-value widget-example-repeat))
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82 3)
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83 (message "Congratulation!")
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84 (error "Three was the count!")))
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85 "Apply Form")
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86 (widget-insert " ")
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87 (widget-create 'push-button
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88 :notify (lambda (&rest ignore)
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89 (widget-example))
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90 "Reset Form")
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91 (widget-insert "\n")
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92 (use-local-map widget-keymap)
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93 (widget-setup))
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