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            #:test-gdk))
  35
  36 (in-package :gtk-demo)
  37
  38 (defparameter *src-location* (asdf:component-pathname (asdf:find-system :cl-gtk2-gtk)))
  39
  40 (defun test ()
  41   "A simple test of 'on-expose' event"
  42   (within-main-loop
  43     (let ((window (make-instance 'gtk-window :type :toplevel :app-paintable t))
  44           x y)
  45       (g-signal-connect window "destroy" (lambda (widget)
  46                                            (declare (ignore widget))
  47                                            (leave-gtk-main)))
  48       (g-signal-connect window "motion-notify-event" (lambda (widget event)
  49                                                        (declare (ignore widget))
  50                                                        (setf x (event-motion-x event)
  51                                                              y (event-motion-y event))
  52                                                        (widget-queue-draw window)))
  53       (g-signal-connect window "expose-event"
  54                         (lambda (widget event)
  55                           (declare (ignore widget event))
  56                           (let* ((gdk-window (widget-window window))
  57                                  (gc (graphics-context-new gdk-window))
  58                                  (layout (widget-create-pango-layout window (format nil "X: ~F~%Y: ~F" x y))))
  59                             (draw-layout gdk-window gc 0 0 layout)
  60                             (setf (graphics-context-rgb-fg-color gc) (make-color :red 65535 :green 0 :blue 0))
  61                             (multiple-value-bind (x y) (drawable-get-size gdk-window)
  62                               (draw-line gdk-window gc 0 0 x y)))))
  63       (g-signal-connect window "configure-event"
  64                         (lambda (widget event)
  65                           (declare (ignore widget event))
  66                           (widget-queue-draw window)))
  67       (widget-show window)
  68       (push :pointer-motion-mask (gdk-window-events (widget-window window))))))
  69
  70 (defun test-entry ()
  71   "Testing GtkTextEntry"
  72   (within-main-loop
  73     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing entry" :border-width 10))
  74            (box (make-instance 'v-box))
  75            (entry (make-instance 'entry))
  76            (button (make-instance 'button :label "OK"))
  77            (text-buffer (make-instance 'text-buffer))
  78            (text-view (make-instance 'text-view :buffer text-buffer))
  79            (button-select (make-instance 'button :label "Select"))
  80            (button-insert (make-instance 'button :label "Insert")))
  81       (box-pack-start box (make-instance 'label :label "Enter <b>anything</b> you wish:" :use-markup t) :expand nil)
  82       (box-pack-start box entry :expand nil)
  83       (box-pack-start box button :expand nil)
  84       (box-pack-start box button-select :expand nil)
  85       (box-pack-start box button-insert :expand nil)
  86       (let* ((w (make-instance 'scrolled-window)))
  87         (box-pack-start box w)
  88         (container-add w text-view))
  89       (container-add window box)
  90       (g-signal-connect window "destroy" (lambda (widget) (declare (ignore widget)) (leave-gtk-main)))
  91       (g-signal-connect window "delete-event" (lambda (widget event)
  92                                                 (declare (ignore widget event))
  93                                                 (let ((dlg (make-instance 'message-dialog
  94                                                                           :text "Are you sure?"
  95                                                                           :buttons :yes-no)))
  96                                                   (let ((response (dialog-run dlg)))
  97                                                     (object-destroy dlg)
  98                                                     (not (eq :yes response))))))
  99       (g-signal-connect button "clicked" (lambda (button)
 100                                            (declare (ignore button))
 101                                            (setf (text-buffer-text text-buffer)
 102                                                  (format nil "~A~%~A" (text-buffer-text text-buffer) (entry-text entry))
 103                                                  (entry-text entry) "")))
 104       (g-signal-connect button-select "clicked" (lambda (button)
 105                                                   (declare (ignore button))
 106                                                   (editable-select-region entry 5 10)))
 107       (g-signal-connect button-insert "clicked" (lambda (button)
 108                                                   (declare (ignore button))
 109                                                   (editable-insert-text entry "hello" 2)))
 110       (widget-show window))))
 111
 112 (defun table-packing ()
 113   "Simple test of packing widgets into GtkTable"
 114   (within-main-loop
 115     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Table packing" :border-width 20))
 116            (table (make-instance 'table :n-rows 2 :n-columns 2 :homogeneous t))
 117            (button-1 (make-instance 'button :label "Button 1"))
 118            (button-2 (make-instance 'button :label "Button 2"))
 119            (button-q (make-instance 'button :label "Quit")))
 120       (container-add window table)
 121       (table-attach table button-1 0 1 0 1)
 122       (table-attach table button-2 1 2 0 1)
 123       (table-attach table button-q 0 2 1 2)
 124       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 125       (g-signal-connect button-q "clicked" (lambda (b) (declare (ignore b)) (object-destroy window)))
 126       (widget-show window))))
 127
 128 (defun test-pixbuf ()
 129   "(not completed)"
 130   (within-main-loop
 131     (let* ((window (make-instance 'gtk-window :title "Test pixbuf" :request-width 600 :request-height 240))
 132           (vbox (make-instance 'v-box))
 133           (eventbox (make-instance 'event-box))
 134           (vbox-1 (make-instance 'v-box)))
 135      (container-add window vbox)
 136      (box-pack-start vbox (make-instance 'label :text "Placing bg image" :font "Times New Roman Italic 10" :color "#00f" :request-height 40))
 137      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 138      (box-pack-start vbox eventbox)
 139      (container-add eventbox vbox-1)
 140      (box-pack-start vbox-1 (make-instance 'label :text "This is the eventbox"))
 141      (box-pack-start vbox-1 (make-instance 'label :text "The green ball is the bg"))
 142      (widget-show window))))
 143
 144 (defun test-image ()
 145   "Using GtkImage with stock icon"
 146   (within-main-loop
 147     (let* ((window (make-instance 'gtk-window :title "Test images"))
 148            (image (make-instance 'image :icon-name "applications-development" :icon-size 6)))
 149       (container-add window image)
 150       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 151       (widget-show window))))
 152
 153 (defun test-progress-bar ()
 154   "Testing progress-bar"
 155   (within-main-loop
 156     (let* ((window (make-instance 'gtk-window :title "Test progress bar"))
 157            (v-box (make-instance 'v-box))
 158            (p-bar (make-instance 'progress-bar :test "A process"))
 159            (button-pulse (make-instance 'button :label "Pulse"))
 160            (button-set (make-instance 'button :label "Set"))
 161            (entry (make-instance 'entry)))
 162       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 163       (container-add window v-box)
 164       (box-pack-start v-box p-bar)
 165       (box-pack-start v-box button-pulse)
 166       (box-pack-start v-box button-set)
 167       (box-pack-start v-box entry)
 168       (g-signal-connect button-pulse "clicked" (lambda (w) (declare (ignore w)) (progress-bar-pulse p-bar)))
 169       (g-signal-connect button-set "clicked" (lambda (w)
 170                                                (declare (ignore w))
 171                                                (setf (progress-bar-fraction p-bar)
 172                                                      (coerce (read-from-string (entry-text entry)) 'real))))
 173       (widget-show window))))
 174
 175 (defun test-statusbar ()
 176   "Test of GtkStatusbar"
 177   (within-main-loop
 178     (let* ((window (make-instance 'gtk-window :title "Text status bar"))
 179            (v-box (make-instance 'v-box))
 180            (h-box (make-instance 'h-box))
 181            (label (make-instance 'label :label "Test of status bar" :xalign 0.5 :yalign 0.5))
 182            (statusbar (make-instance 'statusbar :has-resize-grip t))
 183            (button-push (make-instance 'button :label "Push"))
 184            (button-pop (make-instance 'button :label "Pop"))
 185            (entry (make-instance 'entry))
 186            (icon (make-instance 'status-icon :icon-name "applications-development")))
 187       (set-status-icon-tooltip icon "An icon from lisp program")
 188       (g-signal-connect window "destroy" (lambda (w)
 189                                            (declare (ignore w))
 190                                            #+ (or) (setf (status-icon-visible icon) nil)
 191                                            (leave-gtk-main)))
 192       (g-signal-connect button-push "clicked" (lambda (b)
 193                                                 (declare (ignore b))
 194                                                 (statusbar-push statusbar "lisp-prog" (entry-text entry))))
 195       (g-signal-connect button-pop "clicked" (lambda (b)
 196                                                (declare (ignore b))
 197                                                (statusbar-pop statusbar "lisp-prog")))
 198       (g-signal-connect icon "activate" (lambda (i)
 199                                           (declare (ignore i))
 200                                           (let ((message-dialog (make-instance 'message-dialog
 201                                                                                :buttons :ok
 202                                                                                :text "You clicked on icon!")))
 203                                             (dialog-run message-dialog)
 204                                             (object-destroy message-dialog))))
 205       (container-add window v-box)
 206       (box-pack-start v-box h-box :expand nil)
 207       (box-pack-start h-box entry)
 208       (box-pack-start h-box button-push :expand nil)
 209       (box-pack-start h-box button-pop :expand nil)
 210       (box-pack-start v-box label)
 211       (box-pack-start v-box statusbar :expand nil)
 212       (widget-show window)
 213       (setf (status-icon-screen icon) (gtk-window-screen window)))))
 214
 215 (defun test-scale-button ()
 216   "Test of scale button with icons"
 217   (within-main-loop
 218     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing scale button"))
 219            (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))))
 220       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 221       (container-add window button)
 222       (widget-show window))))
 223
 224 (defun test-text-view ()
 225   "Test of GtkTextView"
 226   (within-main-loop
 227     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing text view" :width-request 400 :height-request 300))
 228            (button (make-instance 'button :label "Do"))
 229            (button-insert (make-instance 'button :label "Insert a button!"))
 230            (bold-btn (make-instance 'button :label "Bold"))
 231            (buffer (make-instance 'text-buffer :text "Some text buffer with some text inside"))
 232            (v (make-instance 'text-view :buffer buffer :wrap-mode :word))
 233            (box (make-instance 'v-box))
 234            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic)))
 235       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 236       (g-signal-connect button "clicked" (lambda (b)
 237                                            (declare (ignore b))
 238                                            (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 239                                              (when (and i1 i2)
 240                                                (let* ((i1 i1) (i2 i2)
 241                                                       (dialog (make-instance 'message-dialog :buttons :ok)))
 242                                                  (setf (message-dialog-text dialog)
 243                                                        (format nil "selection: from (~A,~A) to (~A,~A)"
 244                                                                (text-iter-line i1) (text-iter-line-offset i1)
 245                                                                (text-iter-line i2) (text-iter-line-offset i2)))
 246                                                  (dialog-run dialog)
 247                                                  (object-destroy dialog))))))
 248       (g-signal-connect bold-btn "clicked" (Lambda (b)
 249                                              (declare (ignore b))
 250                                              (multiple-value-bind (start end) (text-buffer-get-selection-bounds buffer)
 251                                                (when (and start end)
 252                                                  (let* ((start start)
 253                                                         (end end)
 254                                                         (tag (text-tag-table-lookup (text-buffer-tag-table buffer) "bold")))
 255                                                    (if (text-iter-has-tag start tag)
 256                                                        (text-buffer-remove-tag buffer tag start end)
 257                                                        (text-buffer-apply-tag buffer tag start end)))))))
 258       (g-signal-connect button-insert "clicked" (lambda (b)
 259                                                   (declare (ignore b))
 260                                                   (let* ((iter (text-buffer-get-iter-at-mark buffer (text-buffer-get-mark buffer "insert")))
 261                                                          (anchor (text-buffer-insert-child-anchor buffer iter))
 262                                                          (button (make-instance 'button :label "A button!")))
 263                                                     (widget-show button)
 264                                                     (text-view-add-child-at-anchor v button anchor))))
 265       (let ((tag (make-instance 'text-tag :name "bold" :weight 700)))
 266         (text-tag-table-add (text-buffer-tag-table buffer) tag)
 267         (g-signal-connect tag "event"
 268                           (lambda (tag object event iter)
 269                             (declare (ignore tag object iter))
 270                             (when (eq (event-type event) :button-release)
 271                               (let ((dlg (make-instance 'message-dialog :text "You clicked on bold text." :buttons :ok)))
 272                                 (dialog-run dlg)
 273                                 (object-destroy dlg))))))
 274       (container-add window box)
 275       (container-add scrolled v)
 276       (box-pack-start box button :expand nil)
 277       (box-pack-start box button-insert :expand nil)
 278       (box-pack-start box bold-btn :expand nil)
 279       (box-pack-start box scrolled)
 280       (widget-show window))))
 281
 282 (defun demo-code-editor ()
 283   "(unfinished)"
 284   (within-main-loop
 285     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Code editor" :width-request 400 :height-request 400 :window-position :center))
 286            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 287            (buffer (make-instance 'text-buffer))
 288            (view (make-instance 'text-view :buffer buffer)))
 289       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 290       (container-add window scrolled)
 291       (container-add scrolled view)
 292       (widget-show window)
 293       (g-signal-connect buffer "insert-text" (lambda (buffer location text len)
 294                                                (let* ((buffer buffer)
 295                                                       (location location))
 296                                                  (format t "~A~%" (list buffer location text len))))))))
 297
 298 (defstruct tvi title value)
 299
 300 (defun test-treeview-list ()
 301   "Test of treeview with CL-GTK2-GTK:ARRAY-LIST-STORE"
 302   (within-main-loop
 303     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
 304            (model (make-instance 'array-list-store))
 305            (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 306            (tv (make-instance 'tree-view :headers-visible t :width-request 100 :height-request 400 :rules-hint t))
 307            (h-box (make-instance 'h-box))
 308            (v-box (make-instance 'v-box))
 309            (title-entry (make-instance 'entry))
 310            (value-entry (make-instance 'entry))
 311            (button (make-instance 'button :label "Add")))
 312       (store-add-column model "gchararray" #'tvi-title)
 313       (store-add-column model "gint" #'tvi-value)
 314       (store-add-item model (make-tvi :title "Monday" :value 1))
 315       (store-add-item model (make-tvi :title "Tuesday" :value 2))
 316       (store-add-item model (make-tvi :title "Wednesday" :value 3))
 317       (store-add-item model (make-tvi :title "Thursday" :value 4))
 318       (store-add-item model (make-tvi :title "Friday" :value 5))
 319       (store-add-item model (make-tvi :title "Saturday" :value 6))
 320       (store-add-item model (make-tvi :title "Sunday" :value 7))
 321       (setf (tree-view-model tv) model (tree-view-tooltip-column tv) 0)
 322       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 323       (gobject:g-signal-connect button "clicked" (lambda (b)
 324                                                    (declare (ignore b))
 325                                                    (store-add-item model (make-tvi :title (entry-text title-entry)
 326                                                                                    :value (or (parse-integer (entry-text value-entry)
 327                                                                                                              :junk-allowed t)
 328                                                                                               0)))))
 329       (g-signal-connect tv "row-activated" (lambda (tv path column)
 330                                              (declare (ignore tv column))
 331                                              (format t "You clicked on row ~A~%" (tree-path-indices path))))
 332       (container-add window v-box)
 333       (box-pack-start v-box h-box :expand nil)
 334       (box-pack-start h-box title-entry :expand nil)
 335       (box-pack-start h-box value-entry :expand nil)
 336       (box-pack-start h-box button :expand nil)
 337       (box-pack-start v-box scroll)
 338       (container-add scroll tv)
 339       (let ((column (make-instance 'tree-view-column :title "Title" :sort-column-id 0))
 340             (renderer (make-instance 'cell-renderer-text :text "A text")))
 341         (tree-view-column-pack-start column renderer)
 342         (tree-view-column-add-attribute column renderer "text" 0)
 343         (tree-view-append-column tv column)
 344         (print (tree-view-column-tree-view column))
 345         (print (tree-view-column-cell-renderers column)))
 346       (let ((column (make-instance 'tree-view-column :title "Value"))
 347             (renderer (make-instance 'cell-renderer-text :text "A text")))
 348         (tree-view-column-pack-start column renderer)
 349         (tree-view-column-add-attribute column renderer "text" 1)
 350         (tree-view-append-column tv column)
 351         (print (tree-view-column-tree-view column))
 352         (print (tree-view-column-cell-renderers column)))
 353       (widget-show window))))
 354
 355 (defun test-combo-box ()
 356   "Testing GtkComboBox"
 357   (within-main-loop
 358     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
 359            (model (make-instance 'array-list-store))
 360            (combo-box (make-instance 'combo-box :model model))
 361            (h-box (make-instance 'h-box))
 362            (v-box (make-instance 'v-box))
 363            (title-entry (make-instance 'entry))
 364            (value-entry (make-instance 'entry))
 365            (button (make-instance 'button :label "Add")))
 366       (store-add-column model "gchararray" #'tvi-title)
 367       (store-add-column model "gint" #'tvi-value)
 368       (store-add-item model (make-tvi :title "Monday" :value 1))
 369       (store-add-item model (make-tvi :title "Tuesday" :value 2))
 370       (store-add-item model (make-tvi :title "Wednesday" :value 3))
 371       (store-add-item model (make-tvi :title "Thursday" :value 4))
 372       (store-add-item model (make-tvi :title "Friday" :value 5))
 373       (store-add-item model (make-tvi :title "Saturday" :value 6))
 374       (store-add-item model (make-tvi :title "Sunday" :value 7))
 375       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 376       (gobject:g-signal-connect button "clicked" (lambda (b)
 377                                                    (declare (ignore b))
 378                                                    (store-add-item model (make-tvi :title (entry-text title-entry)
 379                                                                                    :value (or (parse-integer (entry-text value-entry)
 380                                                                                                              :junk-allowed t)
 381                                                                                               0)))))
 382       (g-signal-connect combo-box "changed" (lambda (c)
 383                                               (declare (ignore c))
 384                                               (format t "You clicked on row ~A~%" (combo-box-active combo-box))))
 385       (container-add window v-box)
 386       (box-pack-start v-box h-box :expand nil)
 387       (box-pack-start h-box title-entry :expand nil)
 388       (box-pack-start h-box value-entry :expand nil)
 389       (box-pack-start h-box button :expand nil)
 390       (box-pack-start v-box combo-box)
 391       (let ((renderer (make-instance 'cell-renderer-text :text "A text")))
 392         (cell-layout-pack-start combo-box renderer :expand t)
 393         (cell-layout-add-attribute combo-box renderer "text" 0))
 394       (let ((renderer (make-instance 'cell-renderer-text :text "A number")))
 395         (cell-layout-pack-start combo-box renderer :expand nil)
 396         (cell-layout-add-attribute combo-box renderer "text" 1))
 397       (widget-show window))))
 398
 399 (defun test-ui-manager ()
 400   "Testing GtkUIManager"
 401   (within-main-loop
 402     (let* ((window (make-instance 'gtk-window :type :toplevel :title "UI Manager" :default-width 200 :default-height 100 :window-position :center))
 403            (ui-manager (make-instance 'ui-manager))
 404            (print-confirmation t))
 405       (ui-manager-add-ui-from-string ui-manager
 406                                      "
 407 <ui>
 408   <toolbar action='toolbar1'>
 409       <separator/>
 410       <toolitem name='Left' action='justify-left'/>
 411       <toolitem name='Center' action='justify-center'/>
 412       <toolitem name='Right' action='justify-right'/>
 413       <toolitem name='Zoom in' action='zoom-in' />
 414       <toolitem name='print-confirm' action='print-confirm' />
 415       <separator/>
 416   </toolbar>
 417 </ui>")
 418       (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 419       (iter (with fn = (lambda (action) (when print-confirmation (format t "Action ~A with name ~A activated~%" action (action-name action)))))
 420             (with action-group = (make-instance 'action-group :name "Actions"))
 421             (finally (let ((a (make-instance 'toggle-action :name "print-confirm" :label "Print" :stock-id "gtk-print-report" :active t)))
 422                        (g-signal-connect a "toggled" (lambda (action) (setf print-confirmation (toggle-action-active action))))
 423                        (action-group-add-action action-group a))
 424                      (ui-manager-insert-action-group ui-manager action-group 0))
 425             (for (name stock-id) in '(("justify-left" "gtk-justify-left")
 426                                       ("justify-center" "gtk-justify-center")
 427                                       ("justify-right" "gtk-justify-right")
 428                                       ("zoom-in" "gtk-zoom-in")))
 429             (for action = (make-instance 'action :name name :stock-id stock-id))
 430             (g-signal-connect action "activate" fn)
 431             (action-group-add-action action-group action))
 432       (let ((widget (ui-manager-widget ui-manager "/toolbar1")))
 433         (when widget
 434           (container-add window widget)))
 435       (widget-show window))))
 436
 437 (defun test-color-button ()
 438   "Test of GtkColorButton"
 439   (within-main-loop
 440     (let ((window (make-instance 'gtk-window :title "Color button" :type :toplevel :window-position :center :width-request 100 :height-request 100))
 441           (button (make-instance 'color-button :title "Color button")))
 442       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 443       (g-signal-connect button "color-set" (lambda (b)
 444                                              (declare (ignore b))
 445                                              (format t "Chose color ~A~%" (color-button-color button))))
 446       (container-add window button)
 447       (widget-show window))))
 448
 449 (defun test-color-selection ()
 450   "Test of GtkColorSelection"
 451   (within-main-loop
 452     (let ((window (make-instance 'gtk-window :title "Color selection" :type :toplevel :window-position :center))
 453           (selection (make-instance 'color-selection :has-opacity-control t)))
 454       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 455       (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)))))
 456       (container-add window selection)
 457       (widget-show window))))
 458
 459 (defun test-file-chooser ()
 460   "Test of GtkFileChooser"
 461   (within-main-loop
 462     (let ((window (make-instance 'gtk-window :title "file chooser" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 463           (v-box (make-instance 'v-box))
 464           (button (make-instance 'file-chooser-button :action :open))
 465           (b (make-instance 'button :label "Choose for save" :stock-id "gtk-save")))
 466       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 467       (g-signal-connect button "file-set" (lambda (b) (declare (ignore b)) (format t "File set: ~A~%" (file-chooser-filename button))))
 468       (g-signal-connect b "clicked" (lambda (b)
 469                                       (declare (ignore b))
 470                                       (let ((d (make-instance 'file-chooser-dialog :action :save :title "Choose file to save")))
 471                                         (dialog-add-button d "gtk-save" :accept)
 472                                         (dialog-add-button d "gtk-cancel" :cancel)
 473                                         (when (eq (dialog-run d) :accept)
 474                                           (format t "saved to file ~A~%" (file-chooser-filename d)))
 475                                         (object-destroy d))))
 476       (container-add window v-box)
 477       (box-pack-start v-box button)
 478       (box-pack-start v-box b)
 479       (widget-show window))))
 480
 481 (defun test-font-chooser ()
 482   "GtkFontChooser"
 483   (within-main-loop
 484     (let ((window (make-instance 'gtk-window :title "fonts" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 485           (v-box (make-instance 'v-box))
 486           (button (make-instance 'font-button :title "Choose font" :font-name "Sans 10")))
 487       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 488       (g-signal-connect button "font-set" (lambda (b) (declare (ignore b)) (format t "Chose font ~A~%" (font-button-font-name button))))
 489       (container-add window v-box)
 490       (box-pack-start v-box button)
 491       (widget-show window))))
 492
 493 (defun test-notebook ()
 494   "Test GtkNotebook"
 495   (within-main-loop
 496     (let ((window (make-instance 'gtk-window :title "Notebook" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 497           (expander (make-instance 'expander :expanded t :label "notebook"))
 498           (notebook (make-instance 'notebook :enable-popup t)))
 499       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 500       (iter (for i from 0 to 5)
 501             (for page = (make-instance 'label :label (format nil "Label for page ~A" i)))
 502             (for tab-label = (make-instance 'label :label (format nil "Tab ~A" i)))
 503             (for tab-button = (make-instance 'button
 504                                              :image (make-instance 'image :stock "gtk-close" :icon-size 1)
 505                                              :relief :none))
 506             (g-signal-connect tab-button "clicked"
 507                               (let ((page page))
 508                                 (lambda (button)
 509                                   (declare (ignore button))
 510                                   (format t "Removing page ~A~%" page)
 511                                   (notebook-remove-page notebook page))))
 512             (for tab-hbox = (make-instance 'h-box))
 513             (box-pack-start tab-hbox tab-label)
 514             (box-pack-start tab-hbox tab-button)
 515             (widget-show tab-hbox)
 516             (notebook-add-page notebook page tab-hbox))
 517       (container-add window expander)
 518       (container-add expander notebook)
 519       (widget-show window))))
 520
 521 (defun calendar-detail (calendar year month day)
 522   (declare (ignore calendar year month))
 523   (when (= day 23)
 524     "!"))
 525
 526 (defun test-calendar ()
 527   "Test of GtkCalendar"
 528   (within-main-loop
 529     (let ((window (make-instance 'gtk-window :title "Calendar" :type :toplevel :window-position :center :default-width 100 :default-height 100))
 530           (calendar (make-instance 'calendar :detail-function #'calendar-detail)))
 531       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 532       (g-signal-connect calendar "day-selected" (lambda (c) (declare (ignore c)) (format t "selected: year ~A month ~A day ~A~%"
 533                                                                                          (calendar-year calendar)
 534                                                                                          (calendar-month calendar)
 535                                                                                          (calendar-day calendar))))
 536       (container-add window calendar)
 537       (widget-show window))))
 538
 539 (defun test-box-child-property ()
 540   "Test of child-property usage"
 541   (within-main-loop
 542     (let ((window (make-instance 'gtk-window :title "Text box child property" :type :toplevel :window-position :center :width-request 200 :height-request 200))
 543           (box (make-instance 'h-box))
 544           (button (make-instance 'toggle-button :active t :label "Expand")))
 545       (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 546       (g-signal-connect button "toggled" (lambda (b) (declare (ignore b)) (setf (box-child-expand box button) (toggle-button-active button))))
 547       (container-add window box)
 548       (box-pack-start box button)
 549       (widget-show window))))
 550
 551 (defun test-builder ()
 552   "Test of GtkBuilder"
 553   (within-main-loop
 554     (let ((builder (make-instance 'builder)))
 555       (builder-add-from-file builder (namestring (merge-pathnames "demo/demo1.ui" *src-location*)))
 556       (let ((text-view (builder-get-object builder "textview1"))
 557             (c 0))
 558         (builder-connect-signals-simple builder `(("toolbutton1_clicked_cb" ,(lambda (b)
 559                                                                                      (declare (ignore b))
 560                                                                                      #+nil(print (current-event))
 561                                                                                      (setf (text-buffer-text (text-view-buffer text-view))
 562                                                                                            (format nil "Clicked ~A times~%" (incf c)))
 563                                                                                      (statusbar-pop (builder-get-object builder "statusbar1")
 564                                                                                                      "times")
 565                                                                                      (statusbar-push (builder-get-object builder "statusbar1")
 566                                                                                                       "times"
 567                                                                                                       (format nil "~A times" c))))
 568                                                   ("quit_cb" ,(lambda (&rest args)
 569                                                                       (print args)
 570                                                                       (object-destroy (builder-get-object builder "window1"))))
 571                                                   ("about_cb" ,(lambda (&rest args)
 572                                                                        (print args)
 573                                                                        (let ((d (make-instance 'about-dialog
 574                                                                                                :program-name "GtkBuilder text"
 575                                                                                                :version "0.00001"
 576                                                                                                :authors '("Dmitry Kalyanov")
 577                                                                                                :logo-icon-name "gtk-apply")))
 578                                                                          (dialog-run d)
 579                                                                          (object-destroy d)))))))
 580       (g-signal-connect (builder-get-object builder "window1") "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 581       (statusbar-push (builder-get-object builder "statusbar1") "times" "0 times")
 582       (widget-show (builder-get-object builder "window1")))))
 583
 584 (defun read-text-file (file-name)
 585   (with-output-to-string (str)
 586     (with-open-file (file file-name)
 587       (loop
 588          for line = (read-line file nil nil)
 589          while line
 590          do (fresh-line str)
 591          do (write-string line str)))))
 592
 593 (defun demo-text-editor ()
 594   "More advanced example: text editor with ability to evaluate lisp expressions"
 595   (within-main-loop
 596     (let* ((builder (let ((builder (make-instance 'builder)))
 597                       (builder-add-from-file builder (namestring (merge-pathnames "demo/text-editor.ui" *src-location*)))
 598                       builder))
 599            (window (builder-get-object builder "window1"))
 600            (text-view (builder-get-object builder "textview1"))
 601            (statusbar (builder-get-object builder "statusbar1"))
 602            (file-name nil)
 603            (modified-p t))
 604       (statusbar-push statusbar "filename" "Untitled *")
 605       (labels ((set-properties ()
 606                  (statusbar-pop statusbar "filename")
 607                  (statusbar-push statusbar "filename" (format nil "~A~:[~; *~]" (or file-name "Untitled") modified-p)))
 608                (new (&rest args) (declare (ignore args))
 609                     (setf file-name nil
 610                           modified-p t
 611                           (text-buffer-text (text-view-buffer text-view)) "")
 612                     (set-properties))
 613                (cb-open (&rest args) (declare (ignore args))
 614                         (let ((d (make-instance 'file-chooser-dialog :action :open :title "Open file")))
 615                           (when file-name (setf (file-chooser-filename d) file-name))
 616                           (dialog-add-button d "gtk-open" :accept)
 617                           (dialog-add-button d "gtk-cancel" :cancel)
 618                           (when (eq :accept (dialog-run d))
 619                             (setf file-name (file-chooser-filename d)
 620                                   (text-buffer-text (text-view-buffer text-view)) (read-text-file file-name)
 621                                   modified-p nil)
 622                             (set-properties))
 623                           (object-destroy d)))
 624                (save (&rest args) (declare (ignore args))
 625                      (if file-name
 626                          (progn
 627                            (with-open-file (file file-name :direction :output :if-exists :supersede)
 628                              (write-string (text-buffer-text (text-view-buffer text-view)) file))
 629                            (setf modified-p nil)
 630                            (set-properties))
 631                          (save-as)))
 632                (save-as (&rest args) (declare (ignore args))
 633                         (let ((d (make-instance 'file-chooser-dialog :action :save :title "Save file")))
 634                           (when file-name (setf (file-chooser-filename d) file-name))
 635                           (dialog-add-button d "gtk-save" :accept)
 636                           (dialog-add-button d "gtk-cancel" :cancel)
 637                           (if (eq :accept (dialog-run d))
 638                               (progn
 639                                 (setf file-name (file-chooser-filename d))
 640                                 (object-destroy d)
 641                                 (save))
 642                               (object-destroy d))))
 643                (cut (&rest args) (declare (ignore args))
 644                     (text-buffer-cut-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD") t))
 645                (copy (&rest args) (declare (ignore args))
 646                      (text-buffer-copy-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
 647                (paste (&rest args) (declare (ignore args))
 648                       (text-buffer-paste-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
 649                (cb-delete (&rest args) (declare (ignore args))
 650                           (let ((buffer (text-view-buffer text-view)))
 651                             (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 652                               (when (and i1 i2)
 653                                 (text-buffer-delete buffer i1 i2)))))
 654                (about (&rest args) (declare (ignore args))
 655                       (let ((d (make-instance 'about-dialog
 656                                               :program-name "Lisp Gtk+ Binding Demo Text Editor"
 657                                               :version (format nil "0.0.0.1 ~A" #\GREEK_SMALL_LETTER_ALPHA)
 658                                               :authors '("Kalyanov Dmitry")
 659                                               :license "Public Domain"
 660                                               :logo-icon-name "accessories-text-editor")))
 661                         (dialog-run d)
 662                         (object-destroy d)))
 663                (quit (&rest args) (declare (ignore args)) (object-destroy window))
 664                (cb-eval (&rest args) (declare (ignore args))
 665                         (let ((buffer (text-view-buffer text-view)))
 666                           (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
 667                             (when (and i1 i2)
 668                               (with-gtk-message-error-handler
 669                                 (let* ((text (text-buffer-slice buffer i1 i2))
 670                                        (value (eval (read-from-string text)))
 671                                        (value-str (format nil "~A" value))
 672                                        (pos (max (text-iter-offset i1) (text-iter-offset i2))))
 673                                   (text-buffer-insert buffer " => " :position (text-buffer-get-iter-at-offset buffer pos))
 674                                   (incf pos (length " => "))
 675                                   (text-buffer-insert buffer value-str :position (text-buffer-get-iter-at-offset buffer pos)))))))))
 676         (builder-connect-signals-simple builder `(("new" ,#'new)
 677                                                   ("open" ,#'cb-open)
 678                                                   ("save" ,#'save)
 679                                                   ("save-as" ,#'save-as)
 680                                                   ("cut" ,#'cut)
 681                                                   ("copy" ,#'copy)
 682                                                   ("paste" ,#'paste)
 683                                                   ("delete" ,#'cb-delete)
 684                                                   ("about" ,#'about)
 685                                                   ("quit" ,#'quit)
 686                                                   ("eval" ,#'cb-eval)))
 687         (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
 688         (g-signal-connect (text-view-buffer text-view) "changed" (lambda (b) (declare (ignore b)) (setf modified-p t) (set-properties)))
 689         (widget-show window)))))
 690
 691 (defun demo-class-browser ()
 692   "Show slots of a given class"
 693   (let ((output *standard-output*))
 694     (with-main-loop
 695         (let* ((window (make-instance 'gtk-window
 696                                       :window-position :center
 697                                       :title "Class Browser"
 698                                       :default-width 400
 699                                       :default-height 600))
 700                (search-entry (make-instance 'entry))
 701                (search-button (make-instance 'button :label "Search"))
 702                (scroll (make-instance 'scrolled-window
 703                                       :hscrollbar-policy :automatic
 704                                       :vscrollbar-policy :automatic))
 705                (slots-model (make-instance 'array-list-store))
 706                (slots-list (make-instance 'tree-view :model slots-model)))
 707           (let ((v-box (make-instance 'v-box))
 708                 (search-box (make-instance 'h-box)))
 709             (container-add window v-box)
 710             (box-pack-start v-box search-box :expand nil)
 711             (box-pack-start search-box search-entry)
 712             (box-pack-start search-box search-button :expand nil)
 713             (box-pack-start v-box scroll)
 714             (container-add scroll slots-list))
 715           (store-add-column slots-model "gchararray"
 716                             (lambda (slot)
 717                               (format nil "~S" (closer-mop:slot-definition-name slot))))
 718           (let ((col (make-instance 'tree-view-column :title "Slot name"))
 719                 (cr (make-instance 'cell-renderer-text)))
 720             (tree-view-column-pack-start col cr)
 721             (tree-view-column-add-attribute col cr "text" 0)
 722             (tree-view-append-column slots-list col))
 723           (labels ((display-class-slots (class)
 724                      (format output "Displaying ~A~%" class)
 725                      (loop
 726                         repeat (store-items-count slots-model)
 727                         do (store-remove-item slots-model (store-item slots-model 0)))
 728                      (closer-mop:finalize-inheritance class)
 729                      (loop
 730                         for slot in (closer-mop:class-slots class)
 731                         do (store-add-item slots-model slot)))
 732                    (on-search-clicked (button)
 733                      (declare (ignore button))
 734                      (with-gtk-message-error-handler
 735                          (let* ((class-name (read-from-string (entry-text search-entry)))
 736                                 (class (find-class class-name)))
 737                            (display-class-slots class)))))
 738             (g-signal-connect search-button "clicked" #'on-search-clicked))
 739           (widget-show window)))))
 740
 741 (defun make-tree-from-sexp (l)
 742   (setf l (if (listp l) l (list l)))
 743   (let ((node (make-tree-node :item (make-tvi :title (format nil "~S" (first l))
 744                                               :value (format nil "~S" (class-of (first l)))))))
 745     (iter (for child in (rest l))
 746           (tree-node-insert-at node (make-tree-from-sexp child) (length (tree-node-children node))))
 747     node))
 748
 749 (defun demo-treeview-tree ()
 750   "Advanced demo: show s-expression tree structure"
 751   (within-main-loop
 752     (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (tree)"))
 753            (model (make-instance 'tree-lisp-store))
 754            (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
 755            (tree-view (make-instance 'tree-view :headers-visible t :width-request 300 :height-request 400 :rules-hint t))
 756            (h-box (make-instance 'h-box))
 757            (v-box (make-instance 'v-box))
 758            (entry (make-instance 'entry))
 759            (button (make-instance 'button :label "Display")))
 760       (tree-lisp-store-add-column model "gchararray" #'tvi-title)
 761       (tree-lisp-store-add-column model "gchararray" #'tvi-value)
 762       (tree-node-insert-at (tree-lisp-store-root model)
 763                            (make-tree-from-sexp '(lambda (object &rest initargs &key &allow-other-keys)
 764                                                   (* 1 2)
 765                                                   (- 3 4)))
 766                            0)
 767       (setf (tree-view-model tree-view) model
 768             (tree-view-tooltip-column tree-view) 0)
 769       (connect-signal tree-view "row-activated" (lambda (tv path column)
 770                                                   (declare (ignore tv column))
 771                                                   (format t "You clicked on row ~A~%" (tree-path-indices path))))
 772       (connect-signal button "clicked" (lambda (b)
 773                                          (declare (ignore b))
 774                                          (let ((object (read-from-string (entry-text entry))))
 775                                            (tree-node-remove-at (tree-lisp-store-root model) 0)
 776                                            (tree-node-insert-at (tree-lisp-store-root model)
 777                                                                 (make-tree-from-sexp object)
 778                                                                 0))))
 779       (container-add window v-box)
 780       (box-pack-start v-box h-box :expand nil)
 781       (box-pack-start h-box entry)
 782       (box-pack-start h-box button :expand nil)
 783       (box-pack-start v-box scroll)
 784       (container-add scroll tree-view)
 785       (let ((column (make-instance 'tree-view-column :title "Value" :sort-column-id 0))
 786             (renderer (make-instance 'cell-renderer-text :text "A text")))
 787         (tree-view-column-pack-start column renderer)
 788         (tree-view-column-add-attribute column renderer "text" 0)
 789         (tree-view-append-column tree-view column)
 790         (print (tree-view-column-tree-view column))
 791         (print (tree-view-column-cell-renderers column)))
 792       (let ((column (make-instance 'tree-view-column :title "Type"))
 793             (renderer (make-instance 'cell-renderer-text :text "A text")))
 794         (tree-view-column-pack-start column renderer)
 795         (tree-view-column-add-attribute column renderer "text" 1)
 796         (tree-view-append-column tree-view column)
 797         (print (tree-view-column-tree-view column))
 798         (print (tree-view-column-cell-renderers column)))
 799       (widget-show window))))
 800
 801 (defclass custom-window (gtk-window)
 802   ((label :initform (make-instance 'label :label "A label text") :reader custom-window-label)
 803    (button :initform (make-instance 'button :label "Click me!") :reader custom-window-button))
 804   (:metaclass gobject-class)
 805   (:default-initargs :title "Custom window with default initargs" :default-width 320 :default-height 240))
 806
 807 (defun custom-window-label-text (w)
 808   (label-label (custom-window-label w)))
 809
 810 (defun (setf custom-window-label-text) (new-value w)
 811   (setf (label-label (custom-window-label w)) new-value))
 812
 813 (defmethod initialize-instance :after ((w custom-window) &key &allow-other-keys)
 814   (let ((box (make-instance 'v-box)))
 815     (box-pack-start box (custom-window-label w))
 816     (box-pack-start box (custom-window-button w) :expand nil)
 817     (container-add w box))
 818   (connect-signal (custom-window-button w) "clicked" (lambda (b)
 819                                                        (declare (ignore b))
 820                                                        (custom-window-button-clicked w))))
 821
 822 (defun custom-window-button-clicked (w)
 823   (setf (custom-window-label-text w)
 824         (format nil "Now is: ~A~%" (get-internal-run-time))))
 825
 826 (defun test-custom-window ()
 827   "Simple test of non-GObject subclass of GtkWindow"
 828   (within-main-loop
 829     (let ((w (make-instance 'custom-window)))
 830       (widget-show w))))
 831
 832 (defun test-assistant ()
 833   "Simple test of GtkAssistant wizard"
 834   (let ((output *standard-output*))
 835     (within-main-loop
 836       (let ((d (make-instance 'assistant :title "Username wizard"))
 837             (p-1 (make-instance 'h-box))
 838             (entry (make-instance 'entry))
 839             (p-2 (make-instance 'label :label "Click Apply to close this wizard")))
 840         (box-pack-start p-1 (make-instance 'label :label "Enter your name:") :expand nil)
 841         (box-pack-start p-1 entry)
 842         (assistant-append-page d p-1)
 843         (assistant-append-page d p-2)
 844         (setf (assistant-child-title d p-1) "Username wizard"
 845               (assistant-child-title d p-2) "Username wizard"
 846               (assistant-child-complete d p-1) nil
 847               (assistant-child-complete d p-2) t
 848               (assistant-child-page-type d p-1) :intro
 849               (assistant-child-page-type d p-2) :confirm
 850               (assistant-forward-page-function d) (lambda (i)
 851                                                     (format output "(assistant-forward-page-function ~A)~%" i)
 852                                                     (ecase i
 853                                                       (0 1)
 854                                                       (1 -1))))
 855         (connect-signal entry "notify::text" (lambda (object pspec)
 856                                                (declare (ignore object pspec))
 857                                                (setf (assistant-child-complete d p-1)
 858                                                      (plusp (length (entry-text entry))))))
 859         (let ((w (make-instance 'label :label "A label in action area")))
 860           (widget-show w)
 861           (assistant-add-action-widget d w))
 862         (connect-signal d "cancel" (lambda (assistant)
 863                                      (declare (ignore assistant))
 864                                      (object-destroy d)
 865                                      (format output "Canceled~%")))
 866         (connect-signal d "close" (lambda (assistant)
 867                                     (declare (ignore assistant))
 868                                     (object-destroy d)
 869                                     (format output "Thank you, ~A~%" (entry-text entry))))
 870         (connect-signal d "prepare" (lambda (assistant page-widget)
 871                                       (declare (ignore assistant page-widget))
 872                                       (format output "Assistant ~A has ~A pages and is on ~Ath page~%"
 873                                               d (assistant-n-pages d) (assistant-current-page d))))
 874         (widget-show d)))))
 875
 876 (defun test-entry-completion ()
 877   "Not working example of GtkEntryCompletion"
 878   (within-main-loop
 879     (let* ((w (make-instance 'gtk-window))
 880            (model (make-instance 'tree-lisp-store)))
 881       (tree-lisp-store-add-column model "gchararray" #'identity)
 882       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Monday") 0)
 883       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Tuesday") 0)
 884       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Wednesday") 0)
 885       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Thursday") 0)
 886       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Friday") 0)
 887       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Saturday") 0)
 888       (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Sunday") 0)
 889       (let* ((completion (make-instance 'entry-completion :model model :text-column 0))
 890              (e (make-instance 'entry :completion completion)))
 891         (setf (entry-completion-text-column completion) 0)
 892         (container-add w e))
 893       (widget-show w))))
 894
 895 (defun demo-all ()
 896   (within-main-loop
 897     (let* ((window (make-instance 'gtk-window
 898                                   :title "cl-gtk2-gtk demo"
 899                                   :window-position :center
 900                                   :default-width 500
 901                                   :default-height 500))
 902            (scrolled (make-instance 'scrolled-window
 903                                     :hscrollbar-policy :automatic
 904                                     :vscrollbar-policy :automatic))
 905            (viewport (make-instance 'viewport))
 906            (v-box-buttons (make-instance 'v-box))
 907            (v-box-top (make-instance 'v-box)))
 908       (container-add window v-box-top)
 909       (box-pack-start v-box-top (make-instance 'label :label "These are the demos of cl-gtk2-gtk:") :expand nil)
 910       (box-pack-start v-box-top scrolled)
 911       (container-add scrolled viewport)
 912       (container-add viewport v-box-buttons)
 913       (iter (for s in-package :gtk-demo :external-only t)
 914             (for fn = (fdefinition s))
 915             (unless fn (next-iteration))
 916             (when (eq s 'gtk-demo:demo-all) (next-iteration))
 917             (for docstring = (documentation fn t))
 918             (for description = (format nil "~A~@[~%~A~]" (string-downcase (symbol-name s)) docstring))
 919             (for label = (make-instance 'label :label description :justify :center))
 920             (for button = (make-instance 'button))
 921             (container-add button label)
 922             (connect-signal button "clicked"
 923                             (let ((fn fn))
 924                               (lambda (b)
 925                                 (declare (ignore b))
 926                                 (funcall fn))))
 927             (box-pack-start v-box-buttons button :expand nil))
 928       (widget-show window))))
 929
 930 (defun test-ui-markup ()
 931   (within-main-loop
 932     (let ((label (make-instance 'label :label "Hello!")))
 933       (let-ui (gtk-window :type :toplevel
 934                           :position :center
 935                           :title "Hello, world!"
 936                           :default-width 300
 937                           :default-height 400
 938                           :var w
 939                           (v-box
 940                            (:expr label) :expand nil
 941                            (scrolled-window
 942                             :hscrollbar-policy :automatic
 943                             :vscrollbar-policy :automatic
 944                             :shadow-type :etched-in
 945                             (text-view :var tv))
 946                            (h-box
 947                             (label :label "Insert:") :expand nil
 948                             (entry :var entry)
 949                             (button :label "gtk-ok" :use-stock t :var btn) :expand nil)
 950                            :expand nil
 951                            (label :label "Table packing")
 952                            :expand nil
 953                            (table
 954                             :n-columns 2
 955                             :n-rows 2
 956                             (label :label "2 x 1") :left 0 :right 2 :top 0 :bottom 1
 957                             (label :label "1 x 1") :left 0 :right 1 :top 1 :bottom 2
 958                             (label :label "1 x 1") :left 1 :right 2 :top 1 :bottom 2)))
 959         (connect-signal btn "clicked"
 960                         (lambda (b)
 961                           (declare (ignore b))
 962                           (text-buffer-insert (text-view-buffer tv)
 963                                               (entry-text entry))))
 964         (widget-show w)))))
 965
 966 (defun test-list-store ()
 967   "Demonstrates usage of list store"
 968   (within-main-loop
 969     (let-ui (gtk-window
 970              :type :toplevel
 971              :title "GtkListStore"
 972              :default-width 600
 973              :default-height 400
 974              :var w
 975              (v-box
 976               (label :label "A GtkListStore") :expand nil
 977               (scrolled-window
 978                :hscrollbar-policy :automatic
 979                :vscrollbar-policy :automatic
 980                (tree-view :var tv))))
 981       (let ((l (make-instance 'list-store :column-types '("gint" "gchararray"))))
 982         (iter (for i from 0 below 100)
 983               (for n = (random 10000000))
 984               (for s = (format nil "~R" n))
 985               (list-store-insert-with-values l i n s))
 986         (setf (tree-view-model tv) l)
 987         (let ((column (make-instance 'tree-view-column :title "Number" :sort-column-id 0))
 988               (renderer (make-instance 'cell-renderer-text :text "A text")))
 989           (tree-view-column-pack-start column renderer)
 990           (tree-view-column-add-attribute column renderer "text" 0)
 991           (tree-view-append-column tv column))
 992         (let ((column (make-instance 'tree-view-column :title "As string" :sort-column-id 1))
 993               (renderer (make-instance 'cell-renderer-text :text "A text")))
 994           (tree-view-column-pack-start column renderer)
 995           (tree-view-column-add-attribute column renderer "text" 1)
 996           (tree-view-append-column tv column))
 997         (connect-signal tv "row-activated"
 998                         (lambda (w path column)
 999                           (declare (ignore w column))
1000                           (let* ((iter (tree-model-iter-by-path l path))
1001                                  (n (tree-model-value l iter 0))
1002                                  (dialog (make-instance 'message-dialog
1003                                                         :title "Clicked"
1004                                                         :text (format nil "Number ~A was clicked" n)
1005                                                         :buttons :ok)))
1006                             (dialog-run dialog)
1007                             (object-destroy dialog)))))
1008       (widget-show w))))
1009
1010 (defun test-tree-store ()
1011   "Demonstrates usage of tree store"
1012   (within-main-loop
1013     (let-ui (gtk-window
1014              :type :toplevel
1015              :title "GtkListStore"
1016              :default-width 600
1017              :default-height 400
1018              :var w
1019              (v-box
1020               (label :label "A GtkListStore") :expand nil
1021               (scrolled-window
1022                :hscrollbar-policy :automatic
1023                :vscrollbar-policy :automatic
1024                (tree-view :var tv))))
1025       (let ((l (make-instance 'tree-store :column-types '("gint" "gchararray"))))
1026         (iter (for i from 0 below 100)
1027               (for n = (random 10000000))
1028               (for s = (format nil "~R" n))
1029               (for it = (tree-store-insert-with-values l nil i n s))
1030               (iter (for j from 0 below 10)
1031                     (for n2 = (random 10000000))
1032                     (for s2 = (format nil "~R" n))
1033                     (tree-store-insert-with-values l it j n2 s2)))
1034         (setf (tree-view-model tv) l)
1035         (let ((column (make-instance 'tree-view-column :title "Number" :sort-column-id 0))
1036               (renderer (make-instance 'cell-renderer-text :text "A text")))
1037           (tree-view-column-pack-start column renderer)
1038           (tree-view-column-add-attribute column renderer "text" 0)
1039           (tree-view-append-column tv column))
1040         (let ((column (make-instance 'tree-view-column :title "As string" :sort-column-id 1))
1041               (renderer (make-instance 'cell-renderer-text :text "A text")))
1042           (tree-view-column-pack-start column renderer)
1043           (tree-view-column-add-attribute column renderer "text" 1)
1044           (tree-view-append-column tv column))
1045         (connect-signal tv "row-activated"
1046                         (lambda (w path column)
1047                           (declare (ignore w column))
1048                           (let* ((iter (tree-model-iter-by-path l path))
1049                                  (n (tree-model-value l iter 0))
1050                                  (dialog (make-instance 'message-dialog
1051                                                         :title "Clicked"
1052                                                         :text (format nil "Number ~A was clicked" n)
1053                                                         :buttons :ok)))
1054                             (dialog-run dialog)
1055                             (object-destroy dialog)))))
1056       (widget-show w))))
1057
1058 (defun test-gdk-expose (gdk-window)
1059   (let* ((gc (graphics-context-new gdk-window)))
1060     (multiple-value-bind (w h) (drawable-get-size gdk-window)
1061       (setf (graphics-context-rgb-bg-color gc) (make-color :red 0 :green 0 :blue 0))
1062       (draw-polygon gdk-window gc t (list (make-point :x 0 :y 0)
1063                                           (make-point :x (truncate w 2) :y 0)
1064                                           (make-point :x w :y (truncate h 2))
1065                                           (make-point :x w :y h)
1066                                           (make-point :x (truncate w 2) :y h)
1067                                           (make-point :x 0 :y (truncate h 2))))
1068       (setf (graphics-context-rgb-fg-color gc) (make-color :red 65535 :green 0 :blue 0))
1069       (draw-point gdk-window gc 20 10)
1070       (setf (graphics-context-rgb-fg-color gc) (make-color :red 0 :green 65535 :blue 0))
1071       (draw-points gdk-window gc (list (make-point :x 15 :y 20) (make-point :x 35 :y 40)))
1072       (setf (graphics-context-rgb-fg-color gc) (make-color :red 0 :green 0 :blue 65535))
1073       (draw-line gdk-window gc 60 30 40 50)
1074       (setf (graphics-context-rgb-fg-color gc) (make-color :red 65535 :green 65535 :blue 0))
1075       (draw-lines gdk-window gc (list (make-point :x 10 :y 30) (make-point :x 15 :y 40)
1076                                       (make-point :x 15 :y 50) (make-point :x 10 :y 56)))
1077       (setf (graphics-context-rgb-fg-color gc) (make-color :red 0 :green 65535 :blue 65535))
1078       (draw-segments gdk-window gc (list (make-segment :x1 35 :y1 35 :x2 55 :y2 35)
1079                                          (make-segment :x1 65 :y1 35 :x2 43 :y2 17)))
1080       (setf (graphics-context-rgb-fg-color gc) (make-color :red 65535 :green 0 :blue 65535)
1081             (graphics-context-rgb-bg-color gc) (make-color :red 32767 :green 0 :blue 32767))
1082       (draw-arc gdk-window gc nil 70 30 75 50 (* 64 75) (* 64 200))
1083       (draw-polygon gdk-window gc nil (list (make-point :x 20 :y 40)
1084                                             (make-point :x 30 :y 50)
1085                                             (make-point :x 40 :y 70)
1086                                             (make-point :x 30 :y 80)
1087                                             (make-point :x 10 :y 55)))
1088       (setf (graphics-context-rgb-fg-color gc) (make-color :red 16384 :green 16384 :blue 65535))
1089       (draw-trapezoids gdk-window gc (list (make-trapezoid :y1 50.0d0 :y2 70.0d0
1090                                                            :x11 30.0d0 :x12 45.0d0
1091                                                            :x21 70.0d0 :x22 50.0d0))))))
1092
1093 (defun test-gdk ()
1094   "Test various gdk primitives"
1095   (within-main-loop
1096     (let ((window (make-instance 'gtk-window :type :toplevel :app-paintable t)))
1097       (g-signal-connect window "destroy" (lambda (widget)
1098                                            (declare (ignore widget))
1099                                            (leave-gtk-main)))
1100       (g-signal-connect window "destroy" (lambda (widget)
1101                                            (declare (ignore widget))
1102                                            (leave-gtk-main)))
1103       (g-signal-connect window "expose-event"
1104                         (lambda (widget event)
1105                           (declare (ignore widget event))
1106                           (test-gdk-expose (widget-window window))))
1107       (g-signal-connect window "configure-event"
1108                         (lambda (widget event)
1109                           (declare (ignore widget event))
1110                           (widget-queue-draw window)))
1111       (widget-show window)
1112       (push :pointer-motion-mask (gdk-window-events (widget-window window))))))