gtk/gtk.demo.lisp

   1 (defpackage :gtk-demo
   2   (:use :cl :gtk :gdk :gobject :iter)
   3   (:export #:demo-all
   4            #:test
   5            #:test-entry
   6            #:table-packing
   7            #:test-pixbuf
   8            #:test-image
   9            #:test-progress-bar
  10            #:test-statusbar
  11            #:test-scale-button
  12            #:test-text-view
  13            #:demo-code-editor
  14            #:test-treeview-list
  15            #:test-combo-box
  16            #:test-ui-manager
  17            #:test-color-button
  18            #:test-color-selection
  19            #:test-file-chooser
  20            #:test-font-chooser
  21            #:test-notebook
  22            #:test-calendar
  23            #:test-box-child-property
  24            #:test-builder
  25            #:demo-text-editor
  26            #:demo-class-browser
  27            #:demo-treeview-tree
  28            #:test-custom-window
  29            #:test-assistant
  30            #:test-entry-completion
  31            #:test-ui-markup
  32            #:test-list-store
  33            #:test-tree-store))
  34
  35 (in-package :gtk-demo)
  36
  37 (defparameter *src-location* (asdf:component-pathname (asdf:find-system :cl-gtk2-gtk)))
  38
  39 (defun test ()
  40   "A simple test of 'on-expose' event"
  41   (within-main-loop
  42     (let ((window (make-instance 'gtk-window :type :toplevel :app-paintable t))
  43           x y)
  44       (g-signal-connect window "destroy" (lambda (widget)
  45                                            (declare (ignore widget))
  46                                            (leave-gtk-main)))
  47       (g-signal-connect window "motion-notify-event" (lambda (widget event)
  48                                                        (declare (ignore widget))
  49                                                        (setf x (event-motion-x event)
  50                                                              y (event-motion-y event))
  51                                                        (widget-queue-draw window)))
  52       (g-signal-connect window "expose-event"
  53                         (lambda (widget event)
  54                           (declare (ignore widget event))
  55                           (let* ((gdk-window (widget-window window))
  56                                  (gc (gdk-gc-new gdk-window))
  57                                  (layout (widget-create-pango-layout window (format nil "X: ~F~%Y: ~F" x y))))
  58                             (gdk-draw-layout gdk-window gc 0 0 layout)
  59                             (gdk-gc-set-rgb-fg-color gc (make-color :red 65535 :green 0 :blue 0))
  60                             (multiple-value-bind (x y) (drawable-get-size gdk-window)
  61                               (gdk-draw-line gdk-window gc 0 0 x y)))))
  62       (g-signal-connect window "configure-event"
  63                         (lambda (widget event)
  64                           (declare (ignore widget event))
  65                           (widget-queue-draw window)))
  66       (widget-show window)
  67       (push :pointer-motion-mask (gdk-window-events (widget-window window))))))
  68
  69 (defun test-entry ()
  70   "Testing GtkTextEntry"
  71   (within-main-loop
  72     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing entry" :border-width 10))
  73            (box (make-instance 'v-box))
  74            (entry (make-instance 'entry))
  75            (button (make-instance 'button :label "OK"))
  76            (text-buffer (make-instance 'text-buffer))
  77            (text-view (make-instance 'text-view :buffer text-buffer))
  78            (button-select (make-instance 'button :label "Select"))
  79            (button-insert (make-instance 'button :label "Insert")))
  80       (box-pack-start box (make-instance 'label :label "Enter <b>anything</b> you wish:" :use-markup t) :expand nil)
  81       (box-pack-start box entry :expand nil)
  82       (box-pack-start box button :expand nil)
  83       (box-pack-start box button-select :expand nil)
  84       (box-pack-start box button-insert :expand nil)
  85       (let* ((w (make-instance 'scrolled-window)))
  86         (box-pack-start box w)
  87         (container-add w text-view))
  88       (container-add window box)
  89       (g-signal-connect window "destroy" (lambda (widget) (declare (ignore widget)) (leave-gtk-main)))
  90       (g-signal-connect window "delete-event" (lambda (widget event)
  91                                                 (declare (ignore widget event))
  92                                                 (let ((dlg (make-instance 'message-dialog
  93                                                                           :text "Are you sure?"
  94                                                                           :buttons :yes-no)))
  95                                                   (let ((response (dialog-run dlg)))
  96                                                     (object-destroy dlg)
  97                                                     (not (eq :yes response))))))
  98       (g-signal-connect button "clicked" (lambda (button)
  99                                            (declare (ignore button))
 100                                            (setf (text-buffer-text text-buffer)
 101                                                  (format nil "~A~%~A" (text-buffer-text text-buffer) (entry-text entry))
 102                                                  (entry-text entry) "")))
 103       (g-signal-connect button-select "clicked" (lambda (button)
 104                                                   (declare (ignore button))
 105                                                   (editable-select-region entry 5 10)))
 106       (g-signal-connect button-insert "clicked" (lambda (button)
 107                                                   (declare (ignore button))
 108                                                   (editable-insert-text entry "hello" 2)))
 109       (widget-show window))))
 110
 111 (defun table-packing ()
 112   "Simple test of packing widgets into GtkTable"
 113   (within-main-loop
 114     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Table packing" :border-width 20))
 115            (table (make-instance 'table :n-rows 2 :n-columns 2 :homogeneous t))
 116            (button-1 (make-instance 'button :label "Button 1"))
 117            (button-2 (make-instance 'button :label "Button 2"))
 118            (button-q (make-instance 'button :label "Quit")))
 119       (container-add window table)
 120       (table-attach table button-1 0 1 0 1)
 121       (table-attach table button-2 1 2 0 1)
 122       (table-attach table button-q 0 2 1 2)
 123       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 124       (g-signal-connect button-q "clicked" (lambda (b) (declare (ignore b)) (object-destroy window)))
 125       (widget-show window))))
 126
 127 (defun test-pixbuf ()
 128   "(not completed)"
 129   (within-main-loop
 130     (let* ((window (make-instance 'gtk-window :title "Test pixbuf" :request-width 600 :request-height 240))
 131           (vbox (make-instance 'v-box))
 132           (eventbox (make-instance 'event-box))
 133           (vbox-1 (make-instance 'v-box)))
 134      (container-add window vbox)
 135      (box-pack-start vbox (make-instance 'label :text "Placing bg image" :font "Times New Roman Italic 10" :color "#00f" :request-height 40))
 136      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 137      (box-pack-start vbox eventbox)
 138      (container-add eventbox vbox-1)
 139      (box-pack-start vbox-1 (make-instance 'label :text "This is the eventbox"))
 140      (box-pack-start vbox-1 (make-instance 'label :text "The green ball is the bg"))
 141      (widget-show window))))
 142
 143 (defun test-image ()
 144   "Using GtkImage with stock icon"
 145   (within-main-loop
 146     (let* ((window (make-instance 'gtk-window :title "Test images"))
 147            (image (make-instance 'image :icon-name "applications-development" :icon-size 6)))
 148       (container-add window image)
 149       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 150       (widget-show window))))
 151
 152 (defun test-progress-bar ()
 153   "Testing progress-bar"
 154   (within-main-loop
 155     (let* ((window (make-instance 'gtk-window :title "Test progress bar"))
 156            (v-box (make-instance 'v-box))
 157            (p-bar (make-instance 'progress-bar :test "A process"))
 158            (button-pulse (make-instance 'button :label "Pulse"))
 159            (button-set (make-instance 'button :label "Set"))
 160            (entry (make-instance 'entry)))
 161       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 162       (container-add window v-box)
 163       (box-pack-start v-box p-bar)
 164       (box-pack-start v-box button-pulse)
 165       (box-pack-start v-box button-set)
 166       (box-pack-start v-box entry)
 167       (g-signal-connect button-pulse "clicked" (lambda (w) (declare (ignore w)) (progress-bar-pulse p-bar)))
 168       (g-signal-connect button-set "clicked" (lambda (w)
 169                                                (declare (ignore w))
 170                                                (setf (progress-bar-fraction p-bar)
 171                                                      (coerce (read-from-string (entry-text entry)) 'real))))
 172       (widget-show window))))
 173
 174 (defun test-statusbar ()
 175   "Test of GtkStatusbar"
 176   (within-main-loop
 177     (let* ((window (make-instance 'gtk-window :title "Text status bar"))
 178            (v-box (make-instance 'v-box))
 179            (h-box (make-instance 'h-box))
 180            (label (make-instance 'label :label "Test of status bar" :xalign 0.5 :yalign 0.5))
 181            (statusbar (make-instance 'statusbar :has-resize-grip t))
 182            (button-push (make-instance 'button :label "Push"))
 183            (button-pop (make-instance 'button :label "Pop"))
 184            (entry (make-instance 'entry))
 185            (icon (make-instance 'status-icon :icon-name "applications-development")))
 186       (set-status-icon-tooltip icon "An icon from lisp program")
 187       (g-signal-connect window "destroy" (lambda (w)
 188                                            (declare (ignore w))
 189                                            #+ (or) (setf (status-icon-visible icon) nil)
 190                                            (leave-gtk-main)))
 191       (g-signal-connect button-push "clicked" (lambda (b)
 192                                                 (declare (ignore b))
 193                                                 (statusbar-push statusbar "lisp-prog" (entry-text entry))))
 194       (g-signal-connect button-pop "clicked" (lambda (b)
 195                                                (declare (ignore b))
 196                                                (statusbar-pop statusbar "lisp-prog")))
 197       (g-signal-connect icon "activate" (lambda (i)
 198                                           (declare (ignore i))
 199                                           (let ((message-dialog (make-instance 'message-dialog
 200                                                                                :buttons :ok
 201                                                                                :text "You clicked on icon!")))
 202                                             (dialog-run message-dialog)
 203                                             (object-destroy message-dialog))))
 204       (container-add window v-box)
 205       (box-pack-start v-box h-box :expand nil)
 206       (box-pack-start h-box entry)
 207       (box-pack-start h-box button-push :expand nil)
 208       (box-pack-start h-box button-pop :expand nil)
 209       (box-pack-start v-box label)
 210       (box-pack-start v-box statusbar :expand nil)
 211       (widget-show window)
 212       (setf (status-icon-screen icon) (gtk-window-screen window)))))
 213
 214 (defun test-scale-button ()
 215   "Test of scale button with icons"
 216   (within-main-loop
 217     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing scale button"))
 218            (button (make-instance 'scale-button :icons (list "media-seek-backward" "media-seek-forward" "media-playback-stop" "media-playback-start") :adjustment (make-instance 'adjustment :lower -40 :upper 50 :value 20))))
 219       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 220       (container-add window button)
 221       (widget-show window))))
 222
 223 (defun test-text-view ()
 224   "Test of GtkTextView"
 225   (within-main-loop
 226     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing text view" :width-request 400 :height-request 300))
 227            (button (make-instance 'button :label "Do"))
 228            (button-insert (make-instance 'button :label "Insert a button!"))
 229            (bold-btn (make-instance 'button :label "Bold"))
 230            (buffer (make-instance 'text-buffer :text "Some text buffer with some text inside"))
 231            (v (make-instance 'text-view :buffer buffer :wrap-mode :word))
 232            (box (make-instance 'v-box))
 233            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic)))
 234       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 235       (g-signal-connect button "clicked" (lambda (b)
 236                                            (declare (ignore b))
 237                                            (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 238                                              (when (and i1 i2)
 239                                                (let* ((i1 i1) (i2 i2)
 240                                                       (dialog (make-instance 'message-dialog :buttons :ok)))
 241                                                  (setf (message-dialog-text dialog)
 242                                                        (format nil "selection: from (~A,~A) to (~A,~A)"
 243                                                                (text-iter-line i1) (text-iter-line-offset i1)
 244                                                                (text-iter-line i2) (text-iter-line-offset i2)))
 245                                                  (dialog-run dialog)
 246                                                  (object-destroy dialog))))))
 247       (g-signal-connect bold-btn "clicked" (Lambda (b)
 248                                              (declare (ignore b))
 249                                              (multiple-value-bind (start end) (text-buffer-get-selection-bounds buffer)
 250                                                (when (and start end)
 251                                                  (let* ((start start)
 252                                                         (end end)
 253                                                         (tag (text-tag-table-lookup (text-buffer-tag-table buffer) "bold")))
 254                                                    (if (text-iter-has-tag start tag)
 255                                                        (text-buffer-remove-tag buffer tag start end)
 256                                                        (text-buffer-apply-tag buffer tag start end)))))))
 257       (g-signal-connect button-insert "clicked" (lambda (b)
 258                                                   (declare (ignore b))
 259                                                   (let* ((iter (text-buffer-get-iter-at-mark buffer (text-buffer-get-mark buffer "insert")))
 260                                                          (anchor (text-buffer-insert-child-anchor buffer iter))
 261                                                          (button (make-instance 'button :label "A button!")))
 262                                                     (widget-show button)
 263                                                     (text-view-add-child-at-anchor v button anchor))))
 264       (let ((tag (make-instance 'text-tag :name "bold" :weight 700)))
 265         (text-tag-table-add (text-buffer-tag-table buffer) tag)
 266         (g-signal-connect tag "event"
 267                           (lambda (tag object event iter)
 268                             (declare (ignore tag object iter))
 269                             (when (eq (event-type event) :button-release)
 270                               (let ((dlg (make-instance 'message-dialog :text "You clicked on bold text." :buttons :ok)))
 271                                 (dialog-run dlg)
 272                                 (object-destroy dlg))))))
 273       (container-add window box)
 274       (container-add scrolled v)
 275       (box-pack-start box button :expand nil)
 276       (box-pack-start box button-insert :expand nil)
 277       (box-pack-start box bold-btn :expand nil)
 278       (box-pack-start box scrolled)
 279       (widget-show window))))
 280
 281 (defun demo-code-editor ()
 282   "(unfinished)"
 283   (within-main-loop
 284     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Code editor" :width-request 400 :height-request 400 :window-position :center))
 285            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 286            (buffer (make-instance 'text-buffer))
 287            (view (make-instance 'text-view :buffer buffer)))
 288       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 289       (container-add window scrolled)
 290       (container-add scrolled view)
 291       (widget-show window)
 292       (g-signal-connect buffer "insert-text" (lambda (buffer location text len)
 293                                                (let* ((buffer buffer)
 294                                                       (location location))
 295                                                  (format t "~A~%" (list buffer location text len))))))))
 296
 297 (defstruct tvi title value)
 298
 299 (defun test-treeview-list ()
 300   "Test of treeview with CL-GTK2-GTK:ARRAY-LIST-STORE"
 301   (within-main-loop
 302     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
 303            (model (make-instance 'array-list-store))
 304            (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 305            (tv (make-instance 'tree-view :headers-visible t :width-request 100 :height-request 400 :rules-hint t))
 306            (h-box (make-instance 'h-box))
 307            (v-box (make-instance 'v-box))
 308            (title-entry (make-instance 'entry))
 309            (value-entry (make-instance 'entry))
 310            (button (make-instance 'button :label "Add")))
 311       (store-add-column model "gchararray" #'tvi-title)
 312       (store-add-column model "gint" #'tvi-value)
 313       (store-add-item model (make-tvi :title "Monday" :value 1))
 314       (store-add-item model (make-tvi :title "Tuesday" :value 2))
 315       (store-add-item model (make-tvi :title "Wednesday" :value 3))
 316       (store-add-item model (make-tvi :title "Thursday" :value 4))
 317       (store-add-item model (make-tvi :title "Friday" :value 5))
 318       (store-add-item model (make-tvi :title "Saturday" :value 6))
 319       (store-add-item model (make-tvi :title "Sunday" :value 7))
 320       (setf (tree-view-model tv) model (tree-view-tooltip-column tv) 0)
 321       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 322       (gobject:g-signal-connect button "clicked" (lambda (b)
 323                                                    (declare (ignore b))
 324                                                    (store-add-item model (make-tvi :title (entry-text title-entry)
 325                                                                                    :value (or (parse-integer (entry-text value-entry)
 326                                                                                                              :junk-allowed t)
 327                                                                                               0)))))
 328       (g-signal-connect tv "row-activated" (lambda (tv path column)
 329                                              (declare (ignore tv column))
 330                                              (format t "You clicked on row ~A~%" (tree-path-indices path))))
 331       (container-add window v-box)
 332       (box-pack-start v-box h-box :expand nil)
 333       (box-pack-start h-box title-entry :expand nil)
 334       (box-pack-start h-box value-entry :expand nil)
 335       (box-pack-start h-box button :expand nil)
 336       (box-pack-start v-box scroll)
 337       (container-add scroll tv)
 338       (let ((column (make-instance 'tree-view-column :title "Title" :sort-column-id 0))
 339             (renderer (make-instance 'cell-renderer-text :text "A text")))
 340         (tree-view-column-pack-start column renderer)
 341         (tree-view-column-add-attribute column renderer "text" 0)
 342         (tree-view-append-column tv column)
 343         (print (tree-view-column-tree-view column))
 344         (print (tree-view-column-cell-renderers column)))
 345       (let ((column (make-instance 'tree-view-column :title "Value"))
 346             (renderer (make-instance 'cell-renderer-text :text "A text")))
 347         (tree-view-column-pack-start column renderer)
 348         (tree-view-column-add-attribute column renderer "text" 1)
 349         (tree-view-append-column tv column)
 350         (print (tree-view-column-tree-view column))
 351         (print (tree-view-column-cell-renderers column)))
 352       (widget-show window))))
 353
 354 (defun test-combo-box ()
 355   "Testing GtkComboBox"
 356   (within-main-loop
 357     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
 358            (model (make-instance 'array-list-store))
 359            (combo-box (make-instance 'combo-box :model model))
 360            (h-box (make-instance 'h-box))
 361            (v-box (make-instance 'v-box))
 362            (title-entry (make-instance 'entry))
 363            (value-entry (make-instance 'entry))
 364            (button (make-instance 'button :label "Add")))
 365       (store-add-column model "gchararray" #'tvi-title)
 366       (store-add-column model "gint" #'tvi-value)
 367       (store-add-item model (make-tvi :title "Monday" :value 1))
 368       (store-add-item model (make-tvi :title "Tuesday" :value 2))
 369       (store-add-item model (make-tvi :title "Wednesday" :value 3))
 370       (store-add-item model (make-tvi :title "Thursday" :value 4))
 371       (store-add-item model (make-tvi :title "Friday" :value 5))
 372       (store-add-item model (make-tvi :title "Saturday" :value 6))
 373       (store-add-item model (make-tvi :title "Sunday" :value 7))
 374       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 375       (gobject:g-signal-connect button "clicked" (lambda (b)
 376                                                    (declare (ignore b))
 377                                                    (store-add-item model (make-tvi :title (entry-text title-entry)
 378                                                                                    :value (or (parse-integer (entry-text value-entry)
 379                                                                                                              :junk-allowed t)
 380                                                                                               0)))))
 381       (g-signal-connect combo-box "changed" (lambda (c)
 382                                               (declare (ignore c))
 383                                               (format t "You clicked on row ~A~%" (combo-box-active combo-box))))
 384       (container-add window v-box)
 385       (box-pack-start v-box h-box :expand nil)
 386       (box-pack-start h-box title-entry :expand nil)
 387       (box-pack-start h-box value-entry :expand nil)
 388       (box-pack-start h-box button :expand nil)
 389       (box-pack-start v-box combo-box)
 390       (let ((renderer (make-instance 'cell-renderer-text :text "A text")))
 391         (cell-layout-pack-start combo-box renderer :expand t)
 392         (cell-layout-add-attribute combo-box renderer "text" 0))
 393       (let ((renderer (make-instance 'cell-renderer-text :text "A number")))
 394         (cell-layout-pack-start combo-box renderer :expand nil)
 395         (cell-layout-add-attribute combo-box renderer "text" 1))
 396       (widget-show window))))
 397
 398 (defun test-ui-manager ()
 399   "Testing GtkUIManager"
 400   (within-main-loop
 401     (let* ((window (make-instance 'gtk-window :type :toplevel :title "UI Manager" :default-width 200 :default-height 100 :window-position :center))
 402            (ui-manager (make-instance 'ui-manager))
 403            (print-confirmation t))
 404       (ui-manager-add-ui-from-string ui-manager
 405                                      "
 406 <ui>
 407   <toolbar action='toolbar1'>
 408       <separator/>
 409       <toolitem name='Left' action='justify-left'/>
 410       <toolitem name='Center' action='justify-center'/>
 411       <toolitem name='Right' action='justify-right'/>
 412       <toolitem name='Zoom in' action='zoom-in' />
 413       <toolitem name='print-confirm' action='print-confirm' />
 414       <separator/>
 415   </toolbar>
 416 </ui>")
 417       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 418       (iter (with fn = (lambda (action) (when print-confirmation (format t "Action ~A with name ~A activated~%" action (action-name action)))))
 419             (with action-group = (make-instance 'action-group :name "Actions"))
 420             (finally (let ((a (make-instance 'toggle-action :name "print-confirm" :label "Print" :stock-id "gtk-print-report" :active t)))
 421                        (g-signal-connect a "toggled" (lambda (action) (setf print-confirmation (toggle-action-active action))))
 422                        (action-group-add-action action-group a))
 423                      (ui-manager-insert-action-group ui-manager action-group 0))
 424             (for (name stock-id) in '(("justify-left" "gtk-justify-left")
 425                                       ("justify-center" "gtk-justify-center")
 426                                       ("justify-right" "gtk-justify-right")
 427                                       ("zoom-in" "gtk-zoom-in")))
 428             (for action = (make-instance 'action :name name :stock-id stock-id))
 429             (g-signal-connect action "activate" fn)
 430             (action-group-add-action action-group action))
 431       (let ((widget (ui-manager-widget ui-manager "/toolbar1")))
 432         (when widget
 433           (container-add window widget)))
 434       (widget-show window))))
 435
 436 (defun test-color-button ()
 437   "Test of GtkColorButton"
 438   (within-main-loop
 439     (let ((window (make-instance 'gtk-window :title "Color button" :type :toplevel :window-position :center :width-request 100 :height-request 100))
 440           (button (make-instance 'color-button :title "Color button")))
 441       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 442       (g-signal-connect button "color-set" (lambda (b)
 443                                              (declare (ignore b))
 444                                              (format t "Chose color ~A~%" (color-button-color button))))
 445       (container-add window button)
 446       (widget-show window))))
 447
 448 (defun test-color-selection ()
 449   "Test of GtkColorSelection"
 450   (within-main-loop
 451     (let ((window (make-instance 'gtk-window :title "Color selection" :type :toplevel :window-position :center))
 452           (selection (make-instance 'color-selection :has-opacity-control t)))
 453       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 454       (g-signal-connect selection "color-changed" (lambda (s) (declare (ignore s)) (unless (color-selection-adjusting-p selection) (format t "color: ~A~%" (color-selection-current-color selection)))))
 455       (container-add window selection)
 456       (widget-show window))))
 457
 458 (defun test-file-chooser ()
 459   "Test of GtkFileChooser"
 460   (within-main-loop
 461     (let ((window (make-instance 'gtk-window :title "file chooser" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 462           (v-box (make-instance 'v-box))
 463           (button (make-instance 'file-chooser-button :action :open))
 464           (b (make-instance 'button :label "Choose for save" :stock-id "gtk-save")))
 465       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 466       (g-signal-connect button "file-set" (lambda (b) (declare (ignore b)) (format t "File set: ~A~%" (file-chooser-filename button))))
 467       (g-signal-connect b "clicked" (lambda (b)
 468                                       (declare (ignore b))
 469                                       (let ((d (make-instance 'file-chooser-dialog :action :save :title "Choose file to save")))
 470                                         (dialog-add-button d "gtk-save" :accept)
 471                                         (dialog-add-button d "gtk-cancel" :cancel)
 472                                         (when (eq (dialog-run d) :accept)
 473                                           (format t "saved to file ~A~%" (file-chooser-filename d)))
 474                                         (object-destroy d))))
 475       (container-add window v-box)
 476       (box-pack-start v-box button)
 477       (box-pack-start v-box b)
 478       (widget-show window))))
 479
 480 (defun test-font-chooser ()
 481   "GtkFontChooser"
 482   (within-main-loop
 483     (let ((window (make-instance 'gtk-window :title "fonts" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 484           (v-box (make-instance 'v-box))
 485           (button (make-instance 'font-button :title "Choose font" :font-name "Sans 10")))
 486       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 487       (g-signal-connect button "font-set" (lambda (b) (declare (ignore b)) (format t "Chose font ~A~%" (font-button-font-name button))))
 488       (container-add window v-box)
 489       (box-pack-start v-box button)
 490       (widget-show window))))
 491
 492 (defun test-notebook ()
 493   "Test GtkNotebook"
 494   (within-main-loop
 495     (let ((window (make-instance 'gtk-window :title "Notebook" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 496           (expander (make-instance 'expander :expanded t :label "notebook"))
 497           (notebook (make-instance 'notebook :enable-popup t)))
 498       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 499       (iter (for i from 0 to 5)
 500             (for page = (make-instance 'label :label (format nil "Label for page ~A" i)))
 501             (for tab-label = (make-instance 'label :label (format nil "Tab ~A" i)))
 502             (for tab-button = (make-instance 'button
 503                                              :image (make-instance 'image :stock "gtk-close" :icon-size 1)
 504                                              :relief :none))
 505             (g-signal-connect tab-button "clicked"
 506                               (let ((page page))
 507                                 (lambda (button)
 508                                   (declare (ignore button))
 509                                   (format t "Removing page ~A~%" page)
 510                                   (notebook-remove-page notebook page))))
 511             (for tab-hbox = (make-instance 'h-box))
 512             (box-pack-start tab-hbox tab-label)
 513             (box-pack-start tab-hbox tab-button)
 514             (widget-show tab-hbox)
 515             (notebook-add-page notebook page tab-hbox))
 516       (container-add window expander)
 517       (container-add expander notebook)
 518       (widget-show window))))
 519
 520 (defun calendar-detail (calendar year month day)
 521   (declare (ignore calendar year month))
 522   (when (= day 23)
 523     "!"))
 524
 525 (defun test-calendar ()
 526   "Test of GtkCalendar"
 527   (within-main-loop
 528     (let ((window (make-instance 'gtk-window :title "Calendar" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 529           (calendar (make-instance 'calendar :detail-function #'calendar-detail)))
 530       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 531       (g-signal-connect calendar "day-selected" (lambda (c) (declare (ignore c)) (format t "selected: year ~A month ~A day ~A~%"
 532                                                                                          (calendar-year calendar)
 533                                                                                          (calendar-month calendar)
 534                                                                                          (calendar-day calendar))))
 535       (container-add window calendar)
 536       (widget-show window))))
 537
 538 (defun test-box-child-property ()
 539   "Test of child-property usage"
 540   (within-main-loop
 541     (let ((window (make-instance 'gtk-window :title "Text box child property" :type :toplevel :window-position :center :width-request 200 :height-request 200))
 542           (box (make-instance 'h-box))
 543           (button (make-instance 'toggle-button :active t :label "Expand")))
 544       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 545       (g-signal-connect button "toggled" (lambda (b) (declare (ignore b)) (setf (box-child-expand box button) (toggle-button-active button))))
 546       (container-add window box)
 547       (box-pack-start box button)
 548       (widget-show window))))
 549
 550 (defun test-builder ()
 551   "Test of GtkBuilder"
 552   (within-main-loop
 553     (let ((builder (make-instance 'builder)))
 554       (builder-add-from-file builder (namestring (merge-pathnames "demo/demo1.ui" *src-location*)))
 555       (let ((text-view (builder-get-object builder "textview1"))
 556             (c 0))
 557         (builder-connect-signals-simple builder `(("toolbutton1_clicked_cb" ,(lambda (b)
 558                                                                                      (declare (ignore b))
 559                                                                                      #+nil(print (current-event))
 560                                                                                      (setf (text-buffer-text (text-view-buffer text-view))
 561                                                                                            (format nil "Clicked ~A times~%" (incf c)))
 562                                                                                      (statusbar-pop (builder-get-object builder "statusbar1")
 563                                                                                                      "times")
 564                                                                                      (statusbar-push (builder-get-object builder "statusbar1")
 565                                                                                                       "times"
 566                                                                                                       (format nil "~A times" c))))
 567                                                   ("quit_cb" ,(lambda (&rest args)
 568                                                                       (print args)
 569                                                                       (object-destroy (builder-get-object builder "window1"))))
 570                                                   ("about_cb" ,(lambda (&rest args)
 571                                                                        (print args)
 572                                                                        (let ((d (make-instance 'about-dialog
 573                                                                                                :program-name "GtkBuilder text"
 574                                                                                                :version "0.00001"
 575                                                                                                :authors '("Dmitry Kalyanov")
 576                                                                                                :logo-icon-name "gtk-apply")))
 577                                                                          (dialog-run d)
 578                                                                          (object-destroy d)))))))
 579       (g-signal-connect (builder-get-object builder "window1") "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 580       (statusbar-push (builder-get-object builder "statusbar1") "times" "0 times")
 581       (widget-show (builder-get-object builder "window1")))))
 582
 583 (defun read-text-file (file-name)
 584   (with-output-to-string (str)
 585     (with-open-file (file file-name)
 586       (loop
 587          for line = (read-line file nil nil)
 588          while line
 589          do (fresh-line str)
 590          do (write-string line str)))))
 591
 592 (defun demo-text-editor ()
 593   "More advanced example: text editor with ability to evaluate lisp expressions"
 594   (within-main-loop
 595     (let* ((builder (let ((builder (make-instance 'builder)))
 596                       (builder-add-from-file builder (namestring (merge-pathnames "demo/text-editor.ui" *src-location*)))
 597                       builder))
 598            (window (builder-get-object builder "window1"))
 599            (text-view (builder-get-object builder "textview1"))
 600            (statusbar (builder-get-object builder "statusbar1"))
 601            (file-name nil)
 602            (modified-p t))
 603       (statusbar-push statusbar "filename" "Untitled *")
 604       (labels ((set-properties ()
 605                  (statusbar-pop statusbar "filename")
 606                  (statusbar-push statusbar "filename" (format nil "~A~:[~; *~]" (or file-name "Untitled") modified-p)))
 607                (new (&rest args) (declare (ignore args))
 608                     (setf file-name nil
 609                           modified-p t
 610                           (text-buffer-text (text-view-buffer text-view)) "")
 611                     (set-properties))
 612                (cb-open (&rest args) (declare (ignore args))
 613                         (let ((d (make-instance 'file-chooser-dialog :action :open :title "Open file")))
 614                           (when file-name (setf (file-chooser-filename d) file-name))
 615                           (dialog-add-button d "gtk-open" :accept)
 616                           (dialog-add-button d "gtk-cancel" :cancel)
 617                           (when (eq :accept (dialog-run d))
 618                             (setf file-name (file-chooser-filename d)
 619                                   (text-buffer-text (text-view-buffer text-view)) (read-text-file file-name)
 620                                   modified-p nil)
 621                             (set-properties))
 622                           (object-destroy d)))
 623                (save (&rest args) (declare (ignore args))
 624                      (if file-name
 625                          (progn
 626                            (with-open-file (file file-name :direction :output :if-exists :supersede)
 627                              (write-string (text-buffer-text (text-view-buffer text-view)) file))
 628                            (setf modified-p nil)
 629                            (set-properties))
 630                          (save-as)))
 631                (save-as (&rest args) (declare (ignore args))
 632                         (let ((d (make-instance 'file-chooser-dialog :action :save :title "Save file")))
 633                           (when file-name (setf (file-chooser-filename d) file-name))
 634                           (dialog-add-button d "gtk-save" :accept)
 635                           (dialog-add-button d "gtk-cancel" :cancel)
 636                           (if (eq :accept (dialog-run d))
 637                               (progn
 638                                 (setf file-name (file-chooser-filename d))
 639                                 (object-destroy d)
 640                                 (save))
 641                               (object-destroy d))))
 642                (cut (&rest args) (declare (ignore args))
 643                     (text-buffer-cut-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD") t))
 644                (copy (&rest args) (declare (ignore args))
 645                      (text-buffer-copy-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
 646                (paste (&rest args) (declare (ignore args))
 647                       (text-buffer-paste-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
 648                (cb-delete (&rest args) (declare (ignore args))
 649                           (let ((buffer (text-view-buffer text-view)))
 650                             (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 651                               (when (and i1 i2)
 652                                 (text-buffer-delete buffer i1 i2)))))
 653                (about (&rest args) (declare (ignore args))
 654                       (let ((d (make-instance 'about-dialog
 655                                               :program-name "Lisp Gtk+ Binding Demo Text Editor"
 656                                               :version (format nil "0.0.0.1 ~A" #\GREEK_SMALL_LETTER_ALPHA)
 657                                               :authors '("Kalyanov Dmitry")
 658                                               :license "Public Domain"
 659                                               :logo-icon-name "accessories-text-editor")))
 660                         (dialog-run d)
 661                         (object-destroy d)))
 662                (quit (&rest args) (declare (ignore args)) (object-destroy window))
 663                (cb-eval (&rest args) (declare (ignore args))
 664                         (let ((buffer (text-view-buffer text-view)))
 665                           (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 666                             (when (and i1 i2)
 667                               (with-gtk-message-error-handler
 668                                 (let* ((text (text-buffer-slice buffer i1 i2))
 669                                        (value (eval (read-from-string text)))
 670                                        (value-str (format nil "~A" value))
 671                                        (pos (max (text-iter-offset i1) (text-iter-offset i2))))
 672                                   (text-buffer-insert buffer " => " :position (text-buffer-get-iter-at-offset buffer pos))
 673                                   (incf pos (length " => "))
 674                                   (text-buffer-insert buffer value-str :position (text-buffer-get-iter-at-offset buffer pos)))))))))
 675         (builder-connect-signals-simple builder `(("new" ,#'new)
 676                                                   ("open" ,#'cb-open)
 677                                                   ("save" ,#'save)
 678                                                   ("save-as" ,#'save-as)
 679                                                   ("cut" ,#'cut)
 680                                                   ("copy" ,#'copy)
 681                                                   ("paste" ,#'paste)
 682                                                   ("delete" ,#'cb-delete)
 683                                                   ("about" ,#'about)
 684                                                   ("quit" ,#'quit)
 685                                                   ("eval" ,#'cb-eval)))
 686         (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 687         (g-signal-connect (text-view-buffer text-view) "changed" (lambda (b) (declare (ignore b)) (setf modified-p t) (set-properties)))
 688         (widget-show window)))))
 689
 690 (defun demo-class-browser ()
 691   "Show slots of a given class"
 692   (let ((output *standard-output*))
 693     (with-main-loop
 694         (let* ((window (make-instance 'gtk-window
 695                                       :window-position :center
 696                                       :title "Class Browser"
 697                                       :default-width 400
 698                                       :default-height 600))
 699                (search-entry (make-instance 'entry))
 700                (search-button (make-instance 'button :label "Search"))
 701                (scroll (make-instance 'scrolled-window
 702                                       :hscrollbar-policy :automatic
 703                                       :vscrollbar-policy :automatic))
 704                (slots-model (make-instance 'array-list-store))
 705                (slots-list (make-instance 'tree-view :model slots-model)))
 706           (let ((v-box (make-instance 'v-box))
 707                 (search-box (make-instance 'h-box)))
 708             (container-add window v-box)
 709             (box-pack-start v-box search-box :expand nil)
 710             (box-pack-start search-box search-entry)
 711             (box-pack-start search-box search-button :expand nil)
 712             (box-pack-start v-box scroll)
 713             (container-add scroll slots-list))
 714           (store-add-column slots-model "gchararray"
 715                             (lambda (slot)
 716                               (format nil "~S" (closer-mop:slot-definition-name slot))))
 717           (let ((col (make-instance 'tree-view-column :title "Slot name"))
 718                 (cr (make-instance 'cell-renderer-text)))
 719             (tree-view-column-pack-start col cr)
 720             (tree-view-column-add-attribute col cr "text" 0)
 721             (tree-view-append-column slots-list col))
 722           (labels ((display-class-slots (class)
 723                      (format output "Displaying ~A~%" class)
 724                      (loop
 725                         repeat (store-items-count slots-model)
 726                         do (store-remove-item slots-model (store-item slots-model 0)))
 727                      (closer-mop:finalize-inheritance class)
 728                      (loop
 729                         for slot in (closer-mop:class-slots class)
 730                         do (store-add-item slots-model slot)))
 731                    (on-search-clicked (button)
 732                      (declare (ignore button))
 733                      (with-gtk-message-error-handler
 734                          (let* ((class-name (read-from-string (entry-text search-entry)))
 735                                 (class (find-class class-name)))
 736                            (display-class-slots class)))))
 737             (g-signal-connect search-button "clicked" #'on-search-clicked))
 738           (widget-show window)))))
 739
 740 (defun make-tree-from-sexp (l)
 741   (setf l (if (listp l) l (list l)))
 742   (let ((node (make-tree-node :item (make-tvi :title (format nil "~S" (first l))
 743                                               :value (format nil "~S" (class-of (first l)))))))
 744     (iter (for child in (rest l))
 745           (tree-node-insert-at node (make-tree-from-sexp child) (length (tree-node-children node))))
 746     node))
 747
 748 (defun demo-treeview-tree ()
 749   "Advanced demo: show s-expression tree structure"
 750   (within-main-loop
 751     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (tree)"))
 752            (model (make-instance 'tree-lisp-store))
 753            (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 754            (tree-view (make-instance 'tree-view :headers-visible t :width-request 300 :height-request 400 :rules-hint t))
 755            (h-box (make-instance 'h-box))
 756            (v-box (make-instance 'v-box))
 757            (entry (make-instance 'entry))
 758            (button (make-instance 'button :label "Display")))
 759       (tree-lisp-store-add-column model "gchararray" #'tvi-title)
 760       (tree-lisp-store-add-column model "gchararray" #'tvi-value)
 761       (tree-node-insert-at (tree-lisp-store-root model)
 762                            (make-tree-from-sexp '(lambda (object &rest initargs &key &allow-other-keys)
 763                                                   (* 1 2)
 764                                                   (- 3 4)))
 765                            0)
 766       (setf (tree-view-model tree-view) model
 767             (tree-view-tooltip-column tree-view) 0)
 768       (connect-signal tree-view "row-activated" (lambda (tv path column)
 769                                                   (declare (ignore tv column))
 770                                                   (format t "You clicked on row ~A~%" (tree-path-indices path))))
 771       (connect-signal button "clicked" (lambda (b)
 772                                          (declare (ignore b))
 773                                          (let ((object (read-from-string (entry-text entry))))
 774                                            (tree-node-remove-at (tree-lisp-store-root model) 0)
 775                                            (tree-node-insert-at (tree-lisp-store-root model)
 776                                                                 (make-tree-from-sexp object)
 777                                                                 0))))
 778       (container-add window v-box)
 779       (box-pack-start v-box h-box :expand nil)
 780       (box-pack-start h-box entry)
 781       (box-pack-start h-box button :expand nil)
 782       (box-pack-start v-box scroll)
 783       (container-add scroll tree-view)
 784       (let ((column (make-instance 'tree-view-column :title "Value" :sort-column-id 0))
 785             (renderer (make-instance 'cell-renderer-text :text "A text")))
 786         (tree-view-column-pack-start column renderer)
 787         (tree-view-column-add-attribute column renderer "text" 0)
 788         (tree-view-append-column tree-view column)
 789         (print (tree-view-column-tree-view column))
 790         (print (tree-view-column-cell-renderers column)))
 791       (let ((column (make-instance 'tree-view-column :title "Type"))
 792             (renderer (make-instance 'cell-renderer-text :text "A text")))
 793         (tree-view-column-pack-start column renderer)
 794         (tree-view-column-add-attribute column renderer "text" 1)
 795         (tree-view-append-column tree-view column)
 796         (print (tree-view-column-tree-view column))
 797         (print (tree-view-column-cell-renderers column)))
 798       (widget-show window))))
 799
 800 (defclass custom-window (gtk-window)
 801   ((label :initform (make-instance 'label :label "A label text") :reader custom-window-label)
 802    (button :initform (make-instance 'button :label "Click me!") :reader custom-window-button))
 803   (:metaclass gobject-class)
 804   (:default-initargs :title "Custom window with default initargs" :default-width 320 :default-height 240))
 805
 806 (defun custom-window-label-text (w)
 807   (label-label (custom-window-label w)))
 808
 809 (defun (setf custom-window-label-text) (new-value w)
 810   (setf (label-label (custom-window-label w)) new-value))
 811
 812 (defmethod initialize-instance :after ((w custom-window) &key &allow-other-keys)
 813   (let ((box (make-instance 'v-box)))
 814     (box-pack-start box (custom-window-label w))
 815     (box-pack-start box (custom-window-button w) :expand nil)
 816     (container-add w box))
 817   (connect-signal (custom-window-button w) "clicked" (lambda (b)
 818                                                        (declare (ignore b))
 819                                                        (custom-window-button-clicked w))))
 820
 821 (defun custom-window-button-clicked (w)
 822   (setf (custom-window-label-text w)
 823         (format nil "Now is: ~A~%" (get-internal-run-time))))
 824
 825 (defun test-custom-window ()
 826   "Simple test of non-GObject subclass of GtkWindow"
 827   (within-main-loop
 828     (let ((w (make-instance 'custom-window)))
 829       (widget-show w))))
 830
 831 (defun test-assistant ()
 832   "Simple test of GtkAssistant wizard"
 833   (let ((output *standard-output*))
 834     (within-main-loop
 835       (let ((d (make-instance 'assistant :title "Username wizard"))
 836             (p-1 (make-instance 'h-box))
 837             (entry (make-instance 'entry))
 838             (p-2 (make-instance 'label :label "Click Apply to close this wizard")))
 839         (box-pack-start p-1 (make-instance 'label :label "Enter your name:") :expand nil)
 840         (box-pack-start p-1 entry)
 841         (assistant-append-page d p-1)
 842         (assistant-append-page d p-2)
 843         (setf (assistant-child-title d p-1) "Username wizard"
 844               (assistant-child-title d p-2) "Username wizard"
 845               (assistant-child-complete d p-1) nil
 846               (assistant-child-complete d p-2) t
 847               (assistant-child-page-type d p-1) :intro
 848               (assistant-child-page-type d p-2) :confirm
 849               (assistant-forward-page-function d) (lambda (i)
 850                                                     (format output "(assistant-forward-page-function ~A)~%" i)
 851                                                     (ecase i
 852                                                       (0 1)
 853                                                       (1 -1))))
 854         (connect-signal entry "notify::text" (lambda (object pspec)
 855                                                (declare (ignore object pspec))
 856                                                (setf (assistant-child-complete d p-1)
 857                                                      (plusp (length (entry-text entry))))))
 858         (let ((w (make-instance 'label :label "A label in action area")))
 859           (widget-show w)
 860           (assistant-add-action-widget d w))
 861         (connect-signal d "cancel" (lambda (assistant)
 862                                      (declare (ignore assistant))
 863                                      (object-destroy d)
 864                                      (format output "Canceled~%")))
 865         (connect-signal d "close" (lambda (assistant)
 866                                     (declare (ignore assistant))
 867                                     (object-destroy d)
 868                                     (format output "Thank you, ~A~%" (entry-text entry))))
 869         (connect-signal d "prepare" (lambda (assistant page-widget)
 870                                       (declare (ignore assistant page-widget))
 871                                       (format output "Assistant ~A has ~A pages and is on ~Ath page~%"
 872                                               d (assistant-n-pages d) (assistant-current-page d))))
 873         (widget-show d)))))
 874
 875 (defun test-entry-completion ()
 876   "Not working example of GtkEntryCompletion"
 877   (within-main-loop
 878     (let* ((w (make-instance 'gtk-window))
 879            (model (make-instance 'tree-lisp-store)))
 880       (tree-lisp-store-add-column model "gchararray" #'identity)
 881       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Monday") 0)
 882       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Tuesday") 0)
 883       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Wednesday") 0)
 884       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Thursday") 0)
 885       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Friday") 0)
 886       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Saturday") 0)
 887       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Sunday") 0)
 888       (let* ((completion (make-instance 'entry-completion :model model :text-column 0))
 889              (e (make-instance 'entry :completion completion)))
 890         (setf (entry-completion-text-column completion) 0)
 891         (container-add w e))
 892       (widget-show w))))
 893
 894 (defun demo-all ()
 895   (within-main-loop
 896     (let* ((window (make-instance 'gtk-window
 897                                   :title "cl-gtk2-gtk demo"
 898                                   :window-position :center
 899                                   :default-width 500
 900                                   :default-height 500))
 901            (scrolled (make-instance 'scrolled-window
 902                                     :hscrollbar-policy :automatic
 903                                     :vscrollbar-policy :automatic))
 904            (viewport (make-instance 'viewport))
 905            (v-box-buttons (make-instance 'v-box))
 906            (v-box-top (make-instance 'v-box)))
 907       (container-add window v-box-top)
 908       (box-pack-start v-box-top (make-instance 'label :label "These are the demos of cl-gtk2-gtk:") :expand nil)
 909       (box-pack-start v-box-top scrolled)
 910       (container-add scrolled viewport)
 911       (container-add viewport v-box-buttons)
 912       (iter (for s in-package :gtk-demo :external-only t)
 913             (for fn = (fdefinition s))
 914             (unless fn (next-iteration))
 915             (when (eq s 'gtk-demo:demo-all) (next-iteration))
 916             (for docstring = (documentation fn t))
 917             (for description = (format nil "~A~@[~%~A~]" (string-downcase (symbol-name s)) docstring))
 918             (for label = (make-instance 'label :label description :justify :center))
 919             (for button = (make-instance 'button))
 920             (container-add button label)
 921             (connect-signal button "clicked"
 922                             (let ((fn fn))
 923                               (lambda (b)
 924                                 (declare (ignore b))
 925                                 (funcall fn))))
 926             (box-pack-start v-box-buttons button :expand nil))
 927       (widget-show window))))
 928
 929 (defun test-ui-markup ()
 930   (within-main-loop
 931     (let ((label (make-instance 'label :label "Hello!")))
 932       (let-ui (gtk-window :type :toplevel
 933                           :position :center
 934                           :title "Hello, world!"
 935                           :default-width 300
 936                           :default-height 400
 937                           :var w
 938                           (v-box
 939                            (:expr label) :expand nil
 940                            (scrolled-window
 941                             :hscrollbar-policy :automatic
 942                             :vscrollbar-policy :automatic
 943                             :shadow-type :etched-in
 944                             (text-view :var tv))
 945                            (h-box
 946                             (label :label "Insert:") :expand nil
 947                             (entry :var entry)
 948                             (button :label "gtk-ok" :use-stock t :var btn) :expand nil)
 949                            :expand nil
 950                            (label :label "Table packing")
 951                            :expand nil
 952                            (table
 953                             :n-columns 2
 954                             :n-rows 2
 955                             (label :label "2 x 1") :left 0 :right 2 :top 0 :bottom 1
 956                             (label :label "1 x 1") :left 0 :right 1 :top 1 :bottom 2
 957                             (label :label "1 x 1") :left 1 :right 2 :top 1 :bottom 2)))
 958         (connect-signal btn "clicked"
 959                         (lambda (b)
 960                           (declare (ignore b))
 961                           (text-buffer-insert (text-view-buffer tv)
 962                                               (entry-text entry))))
 963         (widget-show w)))))
 964
 965 (defun test-list-store ()
 966   "Demonstrates usage of list store"
 967   (within-main-loop
 968     (let-ui (gtk-window
 969              :type :toplevel
 970              :title "GtkListStore"
 971              :default-width 600
 972              :default-height 400
 973              :var w
 974              (v-box
 975               (label :label "A GtkListStore") :expand nil
 976               (scrolled-window
 977                :hscrollbar-policy :automatic
 978                :vscrollbar-policy :automatic
 979                (tree-view :var tv))))
 980       (let ((l (make-instance 'list-store :column-types '("gint" "gchararray"))))
 981         (iter (for i from 0 below 100)
 982               (for n = (random 10000000))
 983               (for s = (format nil "~R" n))
 984               (list-store-insert-with-values l i n s))
 985         (setf (tree-view-model tv) l)
 986         (let ((column (make-instance 'tree-view-column :title "Number" :sort-column-id 0))
 987               (renderer (make-instance 'cell-renderer-text :text "A text")))
 988           (tree-view-column-pack-start column renderer)
 989           (tree-view-column-add-attribute column renderer "text" 0)
 990           (tree-view-append-column tv column))
 991         (let ((column (make-instance 'tree-view-column :title "As string" :sort-column-id 1))
 992               (renderer (make-instance 'cell-renderer-text :text "A text")))
 993           (tree-view-column-pack-start column renderer)
 994           (tree-view-column-add-attribute column renderer "text" 1)
 995           (tree-view-append-column tv column))
 996         (connect-signal tv "row-activated"
 997                         (lambda (w path column)
 998                           (declare (ignore w column))
 999                           (let* ((iter (tree-model-iter-by-path l path))
1000                                  (n (tree-model-value l iter 0))
1001                                  (dialog (make-instance 'message-dialog
1002                                                         :title "Clicked"
1003                                                         :text (format nil "Number ~A was clicked" n)
1004                                                         :buttons :ok)))
1005                             (dialog-run dialog)
1006                             (object-destroy dialog)))))
1007       (widget-show w))))
1008
1009 (defun test-tree-store ()
1010   "Demonstrates usage of tree store"
1011   (within-main-loop
1012     (let-ui (gtk-window
1013              :type :toplevel
1014              :title "GtkListStore"
1015              :default-width 600
1016              :default-height 400
1017              :var w
1018              (v-box
1019               (label :label "A GtkListStore") :expand nil
1020               (scrolled-window
1021                :hscrollbar-policy :automatic
1022                :vscrollbar-policy :automatic
1023                (tree-view :var tv))))
1024       (let ((l (make-instance 'tree-store :column-types '("gint" "gchararray"))))
1025         (iter (for i from 0 below 100)
1026               (for n = (random 10000000))
1027               (for s = (format nil "~R" n))
1028               (for it = (tree-store-insert-with-values l nil i n s))
1029               (iter (for j from 0 below 10)
1030                     (for n2 = (random 10000000))
1031                     (for s2 = (format nil "~R" n))
1032                     (tree-store-insert-with-values l it j n2 s2)))
1033         (setf (tree-view-model tv) l)
1034         (let ((column (make-instance 'tree-view-column :title "Number" :sort-column-id 0))
1035               (renderer (make-instance 'cell-renderer-text :text "A text")))
1036           (tree-view-column-pack-start column renderer)
1037           (tree-view-column-add-attribute column renderer "text" 0)
1038           (tree-view-append-column tv column))
1039         (let ((column (make-instance 'tree-view-column :title "As string" :sort-column-id 1))
1040               (renderer (make-instance 'cell-renderer-text :text "A text")))
1041           (tree-view-column-pack-start column renderer)
1042           (tree-view-column-add-attribute column renderer "text" 1)
1043           (tree-view-append-column tv column))
1044         (connect-signal tv "row-activated"
1045                         (lambda (w path column)
1046                           (declare (ignore w column))
1047                           (let* ((iter (tree-model-iter-by-path l path))
1048                                  (n (tree-model-value l iter 0))
1049                                  (dialog (make-instance 'message-dialog
1050                                                         :title "Clicked"
1051                                                         :text (format nil "Number ~A was clicked" n)
1052                                                         :buttons :ok)))
1053                             (dialog-run dialog)
1054                             (object-destroy dialog)))))
1055       (widget-show w))))