GtkWidget binding
[cl-gtk2.git] / gtk / gtk.demo.lisp
index f517183..3899649 100644 (file)
@@ -1,18 +1,18 @@
 (defpackage :gtk-demo
-  (:use :cl :gtk :gdk :gobject :anaphora :iter)
-  (:export #:test
+  (:use :cl :gtk :gdk :gobject :iter)
+  (:export #:demo-all
+           #:test
            #:test-entry
            #:table-packing
            #:test-pixbuf
            #:test-image
            #:test-progress-bar
-           #:test-status-bar
+           #:test-statusbar
            #:test-scale-button
            #:test-text-view
            #:demo-code-editor
            #:test-treeview-list
            #:test-combo-box
-           #:test-toolbar
            #:test-ui-manager
            #:test-color-button
            #:test-color-selection
            #:test-calendar
            #:test-box-child-property
            #:test-builder
-           #:demo-text-editor))
+           #:demo-text-editor
+           #:demo-class-browser
+           #:demo-treeview-tree
+           #:test-custom-window
+           #:test-assistant
+           #:test-entry-completion
+           #:test-ui-markup))
 
 (in-package :gtk-demo)
 
-(defparameter *src-location* (asdf:component-pathname (asdf:find-system :gtk)))
+(defparameter *src-location* (asdf:component-pathname (asdf:find-system :cl-gtk2-gtk)))
 
 (defun test ()
-  (let ((window (make-instance 'gtk-window :type :toplevel :app-paintable t))
-        x y)
-    (g-signal-connect window "destroy" (lambda (widget)
-                                         (release widget)
-                                         (gtk-main-quit)))
-    (g-signal-connect window "motion-notify-event" (lambda (widget event)
-                                                     (release widget)
-                                                     (setf x (event-motion-x event)
-                                                           y (event-motion-y event))
-                                                     (widget-queue-draw window)))
-    (g-signal-connect window "expose-event"
-                      (lambda (widget event)
-                        (declare (ignore event))
-                        (release widget)
-                        ;(print event)
-                        (using* ((gdk-window (widget-window window))
+  "A simple test of 'on-expose' event"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :type :toplevel :app-paintable t))
+          x y)
+      (g-signal-connect window "destroy" (lambda (widget)
+                                           (declare (ignore widget))
+                                           (leave-gtk-main)))
+      (g-signal-connect window "motion-notify-event" (lambda (widget event)
+                                                       (declare (ignore widget))
+                                                       (setf x (event-motion-x event)
+                                                             y (event-motion-y event))
+                                                       (widget-queue-draw window)))
+      (g-signal-connect window "expose-event"
+                        (lambda (widget event)
+                          (declare (ignore widget event))
+                          (let* ((gdk-window (widget-window window))
                                  (gc (gdk-gc-new gdk-window))
                                  (layout (widget-create-pango-layout window (format nil "X: ~F~%Y: ~F" x y))))
-                          (gdk-draw-layout gdk-window gc 0 0 layout)
-                          (gdk-gc-set-rgb-fg-color gc (make-color :red 65535 :green 0 :blue 0))
-                          (multiple-value-bind (x y) (drawable-get-size gdk-window)
-                            (gdk-draw-line gdk-window gc 0 0 x y)))))
-    (g-signal-connect window "configure-event"
-                      (lambda (widget event)
-                        (declare (ignore event))
-                        (release widget)
-                        (widget-queue-draw window)))
-    (widget-show window)
-    (push :pointer-motion-mask (gdk-window-events (widget-window window)))
-    (gtk-main)
-    (release window)))
-
+                            (gdk-draw-layout gdk-window gc 0 0 layout)
+                            (gdk-gc-set-rgb-fg-color gc (make-color :red 65535 :green 0 :blue 0))
+                            (multiple-value-bind (x y) (drawable-get-size gdk-window)
+                              (gdk-draw-line gdk-window gc 0 0 x y)))))
+      (g-signal-connect window "configure-event"
+                        (lambda (widget event)
+                          (declare (ignore widget event))
+                          (widget-queue-draw window)))
+      (widget-show window)
+      (push :pointer-motion-mask (gdk-window-events (widget-window window))))))
+  
 (defun test-entry ()
-  (using* ((window (make-instance 'gtk-window :type :toplevel :title "Testing entry" :border-width 10))
+  "Testing GtkTextEntry"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing entry" :border-width 10))
            (box (make-instance 'v-box))
            (entry (make-instance 'entry))
            (button (make-instance 'button :label "OK"))
            (text-view (make-instance 'text-view :buffer text-buffer))
            (button-select (make-instance 'button :label "Select"))
            (button-insert (make-instance 'button :label "Insert")))
-    (box-pack-start box (make-instance 'label :label "Enter <b>anything</b> you wish:" :use-markup t) :expand nil)
-    (box-pack-start box entry :expand nil)
-    (box-pack-start box button :expand nil)
-    (box-pack-start box button-select :expand nil)
-    (box-pack-start box button-insert :expand nil)
-    (using* ((w (make-instance 'scrolled-window)))
-      (box-pack-start box w)
-      (container-add w text-view))
-    (container-add window box)
-    (g-signal-connect window "destroy" (lambda (widget) (release widget) (gtk-main-quit)))
-    (g-signal-connect window "delete-event" (lambda (widget event)
-                                              (declare (ignore event))
-                                              (release widget)
-                                              (using (dlg (make-instance 'message-dialog :text "Are you sure?" :buttons :yes-no))
-                                                (let ((response (dialog-run dlg)))
-                                                  (object-destroy dlg)
-                                                  (not (eq :yes response))))))
-    (g-signal-connect button "clicked" (lambda (button) (release button)
-                                               (setf (text-buffer-text text-buffer)
-                                                     (format nil "~A~%~A" (text-buffer-text text-buffer) (entry-text entry))
-                                                     (entry-text entry) "")))
-    (g-signal-connect button-select "clicked" (lambda (button) (release button)
-                                               (editable-select-region entry 5 10)))
-    (g-signal-connect button-insert "clicked" (lambda (button) (release button)
-                                                      (editable-insert-text entry "hello" 2)))
-    (widget-show window)
-    (gtk-main)))
+      (box-pack-start box (make-instance 'label :label "Enter <b>anything</b> you wish:" :use-markup t) :expand nil)
+      (box-pack-start box entry :expand nil)
+      (box-pack-start box button :expand nil)
+      (box-pack-start box button-select :expand nil)
+      (box-pack-start box button-insert :expand nil)
+      (let* ((w (make-instance 'scrolled-window)))
+        (box-pack-start box w)
+        (container-add w text-view))
+      (container-add window box)
+      (g-signal-connect window "destroy" (lambda (widget) (declare (ignore widget)) (leave-gtk-main)))
+      (g-signal-connect window "delete-event" (lambda (widget event)
+                                                (declare (ignore widget event))
+                                                (let ((dlg (make-instance 'message-dialog
+                                                                          :text "Are you sure?"
+                                                                          :buttons :yes-no)))
+                                                  (let ((response (dialog-run dlg)))
+                                                    (object-destroy dlg)
+                                                    (not (eq :yes response))))))
+      (g-signal-connect button "clicked" (lambda (button)
+                                           (declare (ignore button))
+                                           (setf (text-buffer-text text-buffer)
+                                                 (format nil "~A~%~A" (text-buffer-text text-buffer) (entry-text entry))
+                                                 (entry-text entry) "")))
+      (g-signal-connect button-select "clicked" (lambda (button)
+                                                  (declare (ignore button))
+                                                  (editable-select-region entry 5 10)))
+      (g-signal-connect button-insert "clicked" (lambda (button)
+                                                  (declare (ignore button))
+                                                  (editable-insert-text entry "hello" 2)))
+      (widget-show window))))
 
 (defun table-packing ()
-  (using* ((window (make-instance 'gtk-window :type :toplevel :title "Table packing" :border-width 20))
+  "Simple test of packing widgets into GtkTable"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Table packing" :border-width 20))
            (table (make-instance 'table :n-rows 2 :n-columns 2 :homogeneous t))
            (button-1 (make-instance 'button :label "Button 1"))
            (button-2 (make-instance 'button :label "Button 2"))
            (button-q (make-instance 'button :label "Quit")))
-    (container-add window table)
-    (table-attach table button-1 0 1 0 1)
-    (table-attach table button-2 1 2 0 1)
-    (table-attach table button-q 0 2 1 2)
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (g-signal-connect button-q "clicked" (lambda (b) (release b) (object-destroy window)))
-    (widget-show window)
-    (gtk-main)))
+      (container-add window table)
+      (table-attach table button-1 0 1 0 1)
+      (table-attach table button-2 1 2 0 1)
+      (table-attach table button-q 0 2 1 2)
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button-q "clicked" (lambda (b) (declare (ignore b)) (object-destroy window)))
+      (widget-show window))))
 
 (defun test-pixbuf ()
-  (using* ((window (make-instance 'gtk-window :title "Test pixbuf" :request-width 600 :request-height 240))
-           (vbox (make-instance 'v-box))
-           (eventbox (make-instance 'event-box))
-           (vbox-1 (make-instance 'v-box)))
-    (container-add window vbox)
-    (box-pack-start vbox (make-instance 'label :text "Placing bg image" :font "Times New Roman Italic 10" :color "#00f" :request-height 40))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (box-pack-start vbox eventbox)
-    (container-add eventbox vbox-1)
-    (box-pack-start vbox-1 (make-instance 'label :text "This is the eventbox"))
-    (box-pack-start vbox-1 (make-instance 'label :text "The green ball is the bg"))
-    (widget-show window)
-    (gtk-main)))
+  "(not completed)"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :title "Test pixbuf" :request-width 600 :request-height 240))
+          (vbox (make-instance 'v-box))
+          (eventbox (make-instance 'event-box))
+          (vbox-1 (make-instance 'v-box)))
+     (container-add window vbox)
+     (box-pack-start vbox (make-instance 'label :text "Placing bg image" :font "Times New Roman Italic 10" :color "#00f" :request-height 40))
+     (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+     (box-pack-start vbox eventbox)
+     (container-add eventbox vbox-1)
+     (box-pack-start vbox-1 (make-instance 'label :text "This is the eventbox"))
+     (box-pack-start vbox-1 (make-instance 'label :text "The green ball is the bg"))
+     (widget-show window))))
 
 (defun test-image ()
-  (using*((window (make-instance 'gtk-window :title "Test images"))
-          (image (make-instance 'image :icon-name "applications-development" :icon-size 6)))
-    (container-add window image)
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (widget-show window)
-    (gtk-main)))
+  "Using GtkImage with stock icon"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :title "Test images"))
+           (image (make-instance 'image :icon-name "applications-development" :icon-size 6)))
+      (container-add window image)
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (widget-show window))))
 
 (defun test-progress-bar ()
-  (using* ((window (make-instance 'gtk-window :title "Test progress bar"))
+  "Testing progress-bar"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :title "Test progress bar"))
            (v-box (make-instance 'v-box))
            (p-bar (make-instance 'progress-bar :test "A process"))
            (button-pulse (make-instance 'button :label "Pulse"))
            (button-set (make-instance 'button :label "Set"))
            (entry (make-instance 'entry)))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (container-add window v-box)
-    (box-pack-start v-box p-bar)
-    (box-pack-start v-box button-pulse)
-    (box-pack-start v-box button-set)
-    (box-pack-start v-box entry)
-    (g-signal-connect button-pulse "clicked" (lambda (w) (release w) (progress-bar-pulse p-bar)))
-    (g-signal-connect button-set "clicked" (lambda (w) (release w)
-                                                   (setf (progress-bar-fraction p-bar)
-                                                         (coerce (read-from-string (entry-text entry)) 'real))))
-    (widget-show window)
-    (gtk-main)))
-
-(defun test-status-bar ()
-  (using* ((window (make-instance 'gtk-window :title "Text status bar"))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (container-add window v-box)
+      (box-pack-start v-box p-bar)
+      (box-pack-start v-box button-pulse)
+      (box-pack-start v-box button-set)
+      (box-pack-start v-box entry)
+      (g-signal-connect button-pulse "clicked" (lambda (w) (declare (ignore w)) (progress-bar-pulse p-bar)))
+      (g-signal-connect button-set "clicked" (lambda (w)
+                                               (declare (ignore w))
+                                               (setf (progress-bar-fraction p-bar)
+                                                     (coerce (read-from-string (entry-text entry)) 'real))))
+      (widget-show window))))
+
+(defun test-statusbar ()
+  "Test of GtkStatusbar"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :title "Text status bar"))
            (v-box (make-instance 'v-box))
            (h-box (make-instance 'h-box))
            (label (make-instance 'label :label "Test of status bar" :xalign 0.5 :yalign 0.5))
-           (status-bar (make-instance 'statusbar :has-resize-grip t))
+           (statusbar (make-instance 'statusbar :has-resize-grip t))
            (button-push (make-instance 'button :label "Push"))
            (button-pop (make-instance 'button :label "Pop"))
            (entry (make-instance 'entry))
            (icon (make-instance 'status-icon :icon-name "applications-development")))
-    (set-status-icon-tooltip icon "An icon from lisp program")
-    (g-signal-connect window "destroy" (lambda (w) (release w)
-                                               #+ (or) (setf (status-icon-visible icon) nil)
-                                               (gtk-main-quit)))
-    (g-signal-connect button-push "clicked" (lambda (b) (release b) (status-bar-push status-bar "lisp-prog" (entry-text entry))))
-    (g-signal-connect button-pop "clicked" (lambda (b) (release b) (status-bar-pop status-bar "lisp-prog")))
-    (g-signal-connect icon "activate" (lambda (i) (release i)
-                                              (using (message-dialog (make-instance 'message-dialog :buttons :ok :text "You clicked on icon!"))
-                                                (dialog-run message-dialog)
-                                                (object-destroy message-dialog))))
-    (container-add window v-box)
-    (box-pack-start v-box h-box :expand nil)
-    (box-pack-start h-box entry)
-    (box-pack-start h-box button-push :expand nil)
-    (box-pack-start h-box button-pop :expand nil)
-    (box-pack-start v-box label)
-    (box-pack-start v-box status-bar :expand nil)
-    (widget-show window)
-    (setf (status-icon-screen icon) (gtk-window-screen window))
-    (gtk-main)))
+      (set-status-icon-tooltip icon "An icon from lisp program")
+      (g-signal-connect window "destroy" (lambda (w)
+                                           (declare (ignore w))
+                                           #+ (or) (setf (status-icon-visible icon) nil)
+                                           (leave-gtk-main)))
+      (g-signal-connect button-push "clicked" (lambda (b)
+                                                (declare (ignore b))
+                                                (statusbar-push statusbar "lisp-prog" (entry-text entry))))
+      (g-signal-connect button-pop "clicked" (lambda (b)
+                                               (declare (ignore b))
+                                               (statusbar-pop statusbar "lisp-prog")))
+      (g-signal-connect icon "activate" (lambda (i)
+                                          (declare (ignore i))
+                                          (let ((message-dialog (make-instance 'message-dialog
+                                                                               :buttons :ok
+                                                                               :text "You clicked on icon!")))
+                                            (dialog-run message-dialog)
+                                            (object-destroy message-dialog))))
+      (container-add window v-box)
+      (box-pack-start v-box h-box :expand nil)
+      (box-pack-start h-box entry)
+      (box-pack-start h-box button-push :expand nil)
+      (box-pack-start h-box button-pop :expand nil)
+      (box-pack-start v-box label)
+      (box-pack-start v-box statusbar :expand nil)
+      (widget-show window)
+      (setf (status-icon-screen icon) (gtk-window-screen window)))))
 
 (defun test-scale-button ()
-  (using* ((window (make-instance 'gtk-window :type :toplevel :title "Testing scale button"))
+  "Test of scale button with icons"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing scale button"))
            (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))))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (container-add window button)
-    (widget-show window)
-    (gtk-main)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (container-add window button)
+      (widget-show window))))
 
 (defun test-text-view ()
-  (using* ((window (make-instance 'gtk-window :type :toplevel :title "Testing text view" :width-request 400 :height-request 300))
+  "Test of GtkTextView"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Testing text view" :width-request 400 :height-request 300))
            (button (make-instance 'button :label "Do"))
            (button-insert (make-instance 'button :label "Insert a button!"))
            (bold-btn (make-instance 'button :label "Bold"))
            (v (make-instance 'text-view :buffer buffer :wrap-mode :word))
            (box (make-instance 'v-box))
            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic)))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (g-signal-connect button "clicked" (lambda (b)
-                                         (release b)
-                                         (using* ((i1 (make-instance 'text-iter))
-                                                  (i2 (make-instance 'text-iter)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button "clicked" (lambda (b)
+                                           (declare (ignore b))
                                            (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
                                              (when (and i1 i2)
-                                               (using* ((i1 i1) (i2 i2)
-                                                        (dialog (make-instance 'message-dialog :buttons :ok)))
-                                                 (setf (message-dialog-text dialog) (format nil "selection: from (~A,~A) to (~A,~A)"
-                                                                                            (text-iter-line i1) (text-iter-line-offset i1)
-                                                                                            (text-iter-line i2) (text-iter-line-offset i2)))
+                                               (let* ((i1 i1) (i2 i2)
+                                                      (dialog (make-instance 'message-dialog :buttons :ok)))
+                                                 (setf (message-dialog-text dialog)
+                                                       (format nil "selection: from (~A,~A) to (~A,~A)"
+                                                               (text-iter-line i1) (text-iter-line-offset i1)
+                                                               (text-iter-line i2) (text-iter-line-offset i2)))
                                                  (dialog-run dialog)
-                                                 (object-destroy dialog)))))))
-    (g-signal-connect bold-btn "clicked" (Lambda (b)
-                                           (release b)
-                                           (multiple-value-bind (start end) (text-buffer-get-selection-bounds buffer)
-                                             (when (and start end)
-                                               (using* ((start start) (end end) (tag (text-tag-table-lookup (text-buffer-tag-table buffer) "bold")))
-                                                 (if (text-iter-has-tag start tag)
-                                                     (text-buffer-remove-tag buffer tag start end)
-                                                     (text-buffer-apply-tag buffer tag start end)))))))
-    (g-signal-connect button-insert "clicked" (lambda (b) (declare (ignore b))
-                                                (let* ((iter (text-buffer-get-iter-at-mark buffer (text-buffer-get-mark buffer "insert")))
-                                                       (anchor (text-buffer-insert-child-anchor buffer iter))
-                                                       (button (make-instance 'button :label "A button!")))
-                                                  (widget-show button)
-                                                  (text-view-add-child-at-anchor v button anchor))))
-    (let ((tag (make-instance 'text-tag :name "bold" :weight 700)))
-      (text-tag-table-add (text-buffer-tag-table buffer) tag)
-      (g-signal-connect tag "event"
-                        (lambda (tag object event iter)
-                          (declare (ignore tag object iter))
-                          (when (eq (event-type event) :button-release)
-                            (using (dlg (make-instance 'message-dialog :text "You clicked on bold text." :buttons :ok))
-                              (dialog-run dlg)
-                              (object-destroy dlg))))))
-    (container-add window box)
-    (container-add scrolled v)
-    (box-pack-start box button :expand nil)
-    (box-pack-start box button-insert :expand nil)
-    (box-pack-start box bold-btn :expand nil)
-    (box-pack-start box scrolled)
-    (widget-show window)
-    (gtk-main)))
+                                                 (object-destroy dialog))))))
+      (g-signal-connect bold-btn "clicked" (Lambda (b)
+                                             (declare (ignore b))
+                                             (multiple-value-bind (start end) (text-buffer-get-selection-bounds buffer)
+                                               (when (and start end)
+                                                 (let* ((start start)
+                                                        (end end)
+                                                        (tag (text-tag-table-lookup (text-buffer-tag-table buffer) "bold")))
+                                                   (if (text-iter-has-tag start tag)
+                                                       (text-buffer-remove-tag buffer tag start end)
+                                                       (text-buffer-apply-tag buffer tag start end)))))))
+      (g-signal-connect button-insert "clicked" (lambda (b)
+                                                  (declare (ignore b))
+                                                  (let* ((iter (text-buffer-get-iter-at-mark buffer (text-buffer-get-mark buffer "insert")))
+                                                         (anchor (text-buffer-insert-child-anchor buffer iter))
+                                                         (button (make-instance 'button :label "A button!")))
+                                                    (widget-show button)
+                                                    (text-view-add-child-at-anchor v button anchor))))
+      (let ((tag (make-instance 'text-tag :name "bold" :weight 700)))
+        (text-tag-table-add (text-buffer-tag-table buffer) tag)
+        (g-signal-connect tag "event"
+                          (lambda (tag object event iter)
+                            (declare (ignore tag object iter))
+                            (when (eq (event-type event) :button-release)
+                              (let ((dlg (make-instance 'message-dialog :text "You clicked on bold text." :buttons :ok)))
+                                (dialog-run dlg)
+                                (object-destroy dlg))))))
+      (container-add window box)
+      (container-add scrolled v)
+      (box-pack-start box button :expand nil)
+      (box-pack-start box button-insert :expand nil)
+      (box-pack-start box bold-btn :expand nil)
+      (box-pack-start box scrolled)
+      (widget-show window))))
 
 (defun demo-code-editor ()
-  (using* ((window (make-instance 'gtk-window :type :toplevel :title "Code editor" :width-request 400 :height-request 400 :window-position :center))
+  "(unfinished)"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Code editor" :width-request 400 :height-request 400 :window-position :center))
            (scrolled (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
            (buffer (make-instance 'text-buffer))
            (view (make-instance 'text-view :buffer buffer)))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (container-add window scrolled)
-    (container-add scrolled view)
-    (widget-show window)
-    (g-signal-connect buffer "insert-text" (lambda (buffer location text len)
-                                             (using* ((buffer buffer) (location location))
-                                               (format t "~A~%" (list buffer location text len)))))
-    (gtk-main)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (container-add window scrolled)
+      (container-add scrolled view)
+      (widget-show window)
+      (g-signal-connect buffer "insert-text" (lambda (buffer location text len)
+                                               (let* ((buffer buffer)
+                                                      (location location))
+                                                 (format t "~A~%" (list buffer location text len))))))))
 
 (defstruct tvi title value)
 
 (defun test-treeview-list ()
-  (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
-         (model (make-instance 'array-list-store))
-         (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
-         (tv (make-instance 'tree-view :headers-visible t :width-request 100 :height-request 400 :rules-hint t))
-         (h-box (make-instance 'h-box))
-         (v-box (make-instance 'v-box))
-         (title-entry (make-instance 'entry))
-         (value-entry (make-instance 'entry))
-         (button (make-instance 'button :label "Add")))
-    (store-add-column model "gchararray" #'tvi-title)
-    (store-add-column model "gint" #'tvi-value)
-    (store-add-item model (make-tvi :title "Monday" :value 1))
-    (store-add-item model (make-tvi :title "Tuesday" :value 2))
-    (store-add-item model (make-tvi :title "Wednesday" :value 3))
-    (store-add-item model (make-tvi :title "Thursday" :value 4))
-    (store-add-item model (make-tvi :title "Friday" :value 5))
-    (store-add-item model (make-tvi :title "Saturday" :value 6))
-    (store-add-item model (make-tvi :title "Sunday" :value 7))
-    (setf (tree-view-model tv) model (tree-view-tooltip-column tv) 0)
-    (gobject:g-signal-connect window "destroy" (lambda (w) (gobject:release w) (gtk-main-quit)))
-    (gobject:g-signal-connect button "clicked" (lambda (b) (gobject:release b) 
-                                                       (store-add-item model (make-tvi :title (entry-text title-entry)
-                                                                                       :value (or (parse-integer (entry-text value-entry) 
-                                                                                                                 :junk-allowed t)
-                                                                                                  0)))))
-    (g-signal-connect tv "row-activated" (lambda (tv path column)
-                                           (release* tv path column)
-                                           (format t "You clicked on row ~A~%" (tree-path-indices path))))
-    (container-add window v-box)
-    (box-pack-start v-box h-box :expand nil)
-    (box-pack-start h-box title-entry :expand nil)
-    (box-pack-start h-box value-entry :expand nil)
-    (box-pack-start h-box button :expand nil)
-    (box-pack-start v-box scroll)
-    (container-add scroll tv)
-    (let ((column (make-instance 'tree-view-column :title "Title" :sort-column-id 0))
-          (renderer (make-instance 'cell-renderer-text :text "A text")))
-      (tree-view-column-pack-start column renderer)
-      (tree-view-column-add-attribute column renderer "text" 0)
-      (tree-view-append-column tv column)
-      (print (tree-view-column-tree-view column))
-      (print (tree-view-column-cell-renderers column)))
-    (let ((column (make-instance 'tree-view-column :title "Value"))
-          (renderer (make-instance 'cell-renderer-text :text "A text")))
-      (tree-view-column-pack-start column renderer)
-      (tree-view-column-add-attribute column renderer "text" 1)
-      (tree-view-append-column tv column)
-      (print (tree-view-column-tree-view column))
-      (print (tree-view-column-cell-renderers column)))
-    (widget-show window)
-    (gtk-main)))
+  "Test of treeview with CL-GTK2-GTK:ARRAY-LIST-STORE"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
+           (model (make-instance 'array-list-store))
+           (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
+           (tv (make-instance 'tree-view :headers-visible t :width-request 100 :height-request 400 :rules-hint t))
+           (h-box (make-instance 'h-box))
+           (v-box (make-instance 'v-box))
+           (title-entry (make-instance 'entry))
+           (value-entry (make-instance 'entry))
+           (button (make-instance 'button :label "Add")))
+      (store-add-column model "gchararray" #'tvi-title)
+      (store-add-column model "gint" #'tvi-value)
+      (store-add-item model (make-tvi :title "Monday" :value 1))
+      (store-add-item model (make-tvi :title "Tuesday" :value 2))
+      (store-add-item model (make-tvi :title "Wednesday" :value 3))
+      (store-add-item model (make-tvi :title "Thursday" :value 4))
+      (store-add-item model (make-tvi :title "Friday" :value 5))
+      (store-add-item model (make-tvi :title "Saturday" :value 6))
+      (store-add-item model (make-tvi :title "Sunday" :value 7))
+      (setf (tree-view-model tv) model (tree-view-tooltip-column tv) 0)
+      (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (gobject:g-signal-connect button "clicked" (lambda (b)
+                                                   (declare (ignore b))
+                                                   (store-add-item model (make-tvi :title (entry-text title-entry)
+                                                                                   :value (or (parse-integer (entry-text value-entry) 
+                                                                                                             :junk-allowed t)
+                                                                                              0)))))
+      (g-signal-connect tv "row-activated" (lambda (tv path column)
+                                             (declare (ignore tv column))
+                                             (format t "You clicked on row ~A~%" (tree-path-indices path))))
+      (container-add window v-box)
+      (box-pack-start v-box h-box :expand nil)
+      (box-pack-start h-box title-entry :expand nil)
+      (box-pack-start h-box value-entry :expand nil)
+      (box-pack-start h-box button :expand nil)
+      (box-pack-start v-box scroll)
+      (container-add scroll tv)
+      (let ((column (make-instance 'tree-view-column :title "Title" :sort-column-id 0))
+            (renderer (make-instance 'cell-renderer-text :text "A text")))
+        (tree-view-column-pack-start column renderer)
+        (tree-view-column-add-attribute column renderer "text" 0)
+        (tree-view-append-column tv column)
+        (print (tree-view-column-tree-view column))
+        (print (tree-view-column-cell-renderers column)))
+      (let ((column (make-instance 'tree-view-column :title "Value"))
+            (renderer (make-instance 'cell-renderer-text :text "A text")))
+        (tree-view-column-pack-start column renderer)
+        (tree-view-column-add-attribute column renderer "text" 1)
+        (tree-view-append-column tv column)
+        (print (tree-view-column-tree-view column))
+        (print (tree-view-column-cell-renderers column)))
+      (widget-show window))))
 
 (defun test-combo-box ()
-  (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
-         (model (make-instance 'array-list-store))
-         (combo-box (make-instance 'combo-box :model model))
-         (h-box (make-instance 'h-box))
-         (v-box (make-instance 'v-box))
-         (title-entry (make-instance 'entry))
-         (value-entry (make-instance 'entry))
-         (button (make-instance 'button :label "Add")))
-    (store-add-column model "gchararray" #'tvi-title)
-    (store-add-column model "gint" #'tvi-value)
-    (store-add-item model (make-tvi :title "Monday" :value 1))
-    (store-add-item model (make-tvi :title "Tuesday" :value 2))
-    (store-add-item model (make-tvi :title "Wednesday" :value 3))
-    (store-add-item model (make-tvi :title "Thursday" :value 4))
-    (store-add-item model (make-tvi :title "Friday" :value 5))
-    (store-add-item model (make-tvi :title "Saturday" :value 6))
-    (store-add-item model (make-tvi :title "Sunday" :value 7))
-    (gobject:g-signal-connect window "destroy" (lambda (w) (gobject:release w) (gtk-main-quit)))
-    (gobject:g-signal-connect button "clicked" (lambda (b) (gobject:release b) 
-                                                       (store-add-item model (make-tvi :title (entry-text title-entry)
-                                                                                       :value (or (parse-integer (entry-text value-entry) 
-                                                                                                                 :junk-allowed t)
-                                                                                                  0)))))
-    (g-signal-connect combo-box "changed" (lambda (c)
-                                     (declare (ignore c))
-                                     (format t "You clicked on row ~A~%" (combo-box-active combo-box))))
-    (container-add window v-box)
-    (box-pack-start v-box h-box :expand nil)
-    (box-pack-start h-box title-entry :expand nil)
-    (box-pack-start h-box value-entry :expand nil)
-    (box-pack-start h-box button :expand nil)
-    (box-pack-start v-box combo-box)
-    (let ((renderer (make-instance 'cell-renderer-text :text "A text")))
-      (cell-layout-pack-start combo-box renderer :expand t)
-      (cell-layout-add-attribute combo-box renderer "text" 0))
-    (let ((renderer (make-instance 'cell-renderer-text :text "A number")))
-      (cell-layout-pack-start combo-box renderer :expand nil)
-      (cell-layout-add-attribute combo-box renderer "text" 1))
-    (widget-show window)
-    (gtk-main)))
+  "Testing GtkComboBox"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (list)"))
+           (model (make-instance 'array-list-store))
+           (combo-box (make-instance 'combo-box :model model))
+           (h-box (make-instance 'h-box))
+           (v-box (make-instance 'v-box))
+           (title-entry (make-instance 'entry))
+           (value-entry (make-instance 'entry))
+           (button (make-instance 'button :label "Add")))
+      (store-add-column model "gchararray" #'tvi-title)
+      (store-add-column model "gint" #'tvi-value)
+      (store-add-item model (make-tvi :title "Monday" :value 1))
+      (store-add-item model (make-tvi :title "Tuesday" :value 2))
+      (store-add-item model (make-tvi :title "Wednesday" :value 3))
+      (store-add-item model (make-tvi :title "Thursday" :value 4))
+      (store-add-item model (make-tvi :title "Friday" :value 5))
+      (store-add-item model (make-tvi :title "Saturday" :value 6))
+      (store-add-item model (make-tvi :title "Sunday" :value 7))
+      (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (gobject:g-signal-connect button "clicked" (lambda (b)
+                                                   (declare (ignore b))
+                                                   (store-add-item model (make-tvi :title (entry-text title-entry)
+                                                                                   :value (or (parse-integer (entry-text value-entry) 
+                                                                                                             :junk-allowed t)
+                                                                                              0)))))
+      (g-signal-connect combo-box "changed" (lambda (c)
+                                              (declare (ignore c))
+                                              (format t "You clicked on row ~A~%" (combo-box-active combo-box))))
+      (container-add window v-box)
+      (box-pack-start v-box h-box :expand nil)
+      (box-pack-start h-box title-entry :expand nil)
+      (box-pack-start h-box value-entry :expand nil)
+      (box-pack-start h-box button :expand nil)
+      (box-pack-start v-box combo-box)
+      (let ((renderer (make-instance 'cell-renderer-text :text "A text")))
+        (cell-layout-pack-start combo-box renderer :expand t)
+        (cell-layout-add-attribute combo-box renderer "text" 0))
+      (let ((renderer (make-instance 'cell-renderer-text :text "A number")))
+        (cell-layout-pack-start combo-box renderer :expand nil)
+        (cell-layout-add-attribute combo-box renderer "text" 1))
+      (widget-show window))))
 
 (defun test-ui-manager ()
-  (let* ((window (make-instance 'gtk-window :type :toplevel :title "UI Manager" :default-width 200 :default-height 100 :window-position :center))
-         (ui-manager (make-instance 'ui-manager))
-         (print-confirmation t))
-    (ui-manager-add-ui-from-string ui-manager
-                                   "
+  "Testing GtkUIManager"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "UI Manager" :default-width 200 :default-height 100 :window-position :center))
+           (ui-manager (make-instance 'ui-manager))
+           (print-confirmation t))
+      (ui-manager-add-ui-from-string ui-manager
+                                     "
 <ui>
   <toolbar action='toolbar1'>
       <separator/>
       <separator/>
   </toolbar>
 </ui>")
-    (gobject:g-signal-connect window "destroy" (lambda (w) (gobject:release w) (gtk-main-quit)))
-    (iter (with fn = (lambda (action) (when print-confirmation (format t "Action ~A with name ~A activated~%" action (action-name action)))))
-          (with action-group = (make-instance 'action-group :name "Actions"))
-          (finally (let ((a (make-instance 'toggle-action :name "print-confirm" :label "Print" :stock-id "gtk-print-report" :active t)))
-                     (g-signal-connect a "toggled" (lambda (action) (setf print-confirmation (toggle-action-active action))))
-                     (action-group-add-action action-group a))
-                   (ui-manager-insert-action-group ui-manager action-group 0))
-          (for (name stock-id) in '(("justify-left" "gtk-justify-left")
-                                    ("justify-center" "gtk-justify-center")
-                                    ("justify-right" "gtk-justify-right")
-                                    ("zoom-in" "gtk-zoom-in")))
-          (for action = (make-instance 'action :name name :stock-id stock-id))
-          (g-signal-connect action "activate" fn)
-          (action-group-add-action action-group action))
-    (awhen (ui-manager-widget ui-manager "/toolbar1")
-      (container-add window it))
-    (widget-show window)
-    (gtk-main)))
+      (gobject:g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (iter (with fn = (lambda (action) (when print-confirmation (format t "Action ~A with name ~A activated~%" action (action-name action)))))
+            (with action-group = (make-instance 'action-group :name "Actions"))
+            (finally (let ((a (make-instance 'toggle-action :name "print-confirm" :label "Print" :stock-id "gtk-print-report" :active t)))
+                       (g-signal-connect a "toggled" (lambda (action) (setf print-confirmation (toggle-action-active action))))
+                       (action-group-add-action action-group a))
+                     (ui-manager-insert-action-group ui-manager action-group 0))
+            (for (name stock-id) in '(("justify-left" "gtk-justify-left")
+                                      ("justify-center" "gtk-justify-center")
+                                      ("justify-right" "gtk-justify-right")
+                                      ("zoom-in" "gtk-zoom-in")))
+            (for action = (make-instance 'action :name name :stock-id stock-id))
+            (g-signal-connect action "activate" fn)
+            (action-group-add-action action-group action))
+      (let ((widget (ui-manager-widget ui-manager "/toolbar1")))
+        (when widget
+          (container-add window widget)))
+      (widget-show window))))
 
 (defun test-color-button ()
-  (let ((window (make-instance 'gtk-window :title "Color button" :type :toplevel :window-position :center :width-request 100 :height-request 100))
-        (button (make-instance 'color-button :title "Color button")))
-    (g-signal-connect window "destroy" (lambda (w) (release w) (gtk-main-quit)))
-    (g-signal-connect button "color-set" (lambda (b) (release b) (format t "Chose color ~A~%" (color-button-color button))))
-    (container-add window button)
-    (widget-show window)
-    (gtk-main)))
+  "Test of GtkColorButton"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "Color button" :type :toplevel :window-position :center :width-request 100 :height-request 100))
+          (button (make-instance 'color-button :title "Color button")))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button "color-set" (lambda (b)
+                                             (declare (ignore b))
+                                             (format t "Chose color ~A~%" (color-button-color button))))
+      (container-add window button)
+      (widget-show window))))
 
 (defun test-color-selection ()
-  (let ((window (make-instance 'gtk-window :title "Color selection" :type :toplevel :window-position :center))
-        (selection (make-instance 'color-selection :has-opacity-control t)))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (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)))))
-    (container-add window selection)
-    (widget-show window)
-    (gtk-main)))
+  "Test of GtkColorSelection"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "Color selection" :type :toplevel :window-position :center))
+          (selection (make-instance 'color-selection :has-opacity-control t)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (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)))))
+      (container-add window selection)
+      (widget-show window))))
 
 (defun test-file-chooser ()
-  (let ((window (make-instance 'gtk-window :title "file chooser" :type :toplevel :window-position :center :default-width 100 :default-height 100))
-        (v-box (make-instance 'v-box))
-        (button (make-instance 'file-chooser-button :action :open))
-        (b (make-instance 'button :label "Choose for save" :stock-id "gtk-save")))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (g-signal-connect button "file-set" (lambda (b) (declare (ignore b)) (format t "File set: ~A~%" (file-chooser-filename button))))
-    (g-signal-connect b "clicked" (lambda (b)
-                                    (declare (ignore b))
-                                    (let ((d (make-instance 'file-chooser-dialog :action :save :title "Choose file to save")))
-                                      (dialog-add-button d "gtk-save" :accept)
-                                      (dialog-add-button d "gtk-cancel" :cancel)
-                                      (when (eq (dialog-run d) :accept)
-                                        (format t "saved to file ~A~%" (file-chooser-filename d)))
-                                      (object-destroy d))))
-    (container-add window v-box)
-    (box-pack-start v-box button)
-    (box-pack-start v-box b)
-    (widget-show window)
-    (gtk-main)))
+  "Test of GtkFileChooser"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "file chooser" :type :toplevel :window-position :center :default-width 100 :default-height 100))
+          (v-box (make-instance 'v-box))
+          (button (make-instance 'file-chooser-button :action :open))
+          (b (make-instance 'button :label "Choose for save" :stock-id "gtk-save")))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button "file-set" (lambda (b) (declare (ignore b)) (format t "File set: ~A~%" (file-chooser-filename button))))
+      (g-signal-connect b "clicked" (lambda (b)
+                                      (declare (ignore b))
+                                      (let ((d (make-instance 'file-chooser-dialog :action :save :title "Choose file to save")))
+                                        (dialog-add-button d "gtk-save" :accept)
+                                        (dialog-add-button d "gtk-cancel" :cancel)
+                                        (when (eq (dialog-run d) :accept)
+                                          (format t "saved to file ~A~%" (file-chooser-filename d)))
+                                        (object-destroy d))))
+      (container-add window v-box)
+      (box-pack-start v-box button)
+      (box-pack-start v-box b)
+      (widget-show window))))
 
 (defun test-font-chooser ()
-  (let ((window (make-instance 'gtk-window :title "fonts" :type :toplevel :window-position :center :default-width 100 :default-height 100))
-        (v-box (make-instance 'v-box))
-        (button (make-instance 'font-button :title "Choose font" :font-name "Sans 10")))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (g-signal-connect button "font-set" (lambda (b) (declare (ignore b)) (format t "Chose font ~A~%" (font-button-font-name button))))
-    (container-add window v-box)
-    (box-pack-start v-box button)
-    (widget-show window)
-    (gtk-main)))
+  "GtkFontChooser"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "fonts" :type :toplevel :window-position :center :default-width 100 :default-height 100))
+          (v-box (make-instance 'v-box))
+          (button (make-instance 'font-button :title "Choose font" :font-name "Sans 10")))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button "font-set" (lambda (b) (declare (ignore b)) (format t "Chose font ~A~%" (font-button-font-name button))))
+      (container-add window v-box)
+      (box-pack-start v-box button)
+      (widget-show window))))
 
 (defun test-notebook ()
-  (let ((window (make-instance 'gtk-window :title "Notebook" :type :toplevel :window-position :center :default-width 100 :default-height 100))
-        (expander (make-instance 'expander :expanded t :label "notebook"))
-        (notebook (make-instance 'notebook :enable-popup t)))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (iter (for i from 0 to 5)
-          (for page = (make-instance 'label :label (format nil "Label for page ~A" i)))
-          (for tab-label = (make-instance 'label :label (format nil "Tab ~A" i)))
-          (for tab-button = (make-instance 'button :use-stock t :label "gtk-close" :relief :none))
-          (for tab-hbox = (make-instance 'h-box))
-          (box-pack-start tab-hbox tab-label)
-          (box-pack-start tab-hbox tab-button)
-          (widget-show tab-hbox)
-          (notebook-add-page notebook page tab-hbox))
-    (container-add window expander)
-    (container-add expander notebook)
-    (widget-show window)
-    (gtk-main)))
+  "Test GtkNotebook"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "Notebook" :type :toplevel :window-position :center :default-width 100 :default-height 100))
+          (expander (make-instance 'expander :expanded t :label "notebook"))
+          (notebook (make-instance 'notebook :enable-popup t)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (iter (for i from 0 to 5)
+            (for page = (make-instance 'label :label (format nil "Label for page ~A" i)))
+            (for tab-label = (make-instance 'label :label (format nil "Tab ~A" i)))
+            (for tab-button = (make-instance 'button
+                                             :image (make-instance 'image :stock "gtk-close" :icon-size 1)
+                                             :relief :none))
+            (g-signal-connect tab-button "clicked"
+                              (let ((page page))
+                                (lambda (button)
+                                  (declare (ignore button))
+                                  (format t "Removing page ~A~%" page)
+                                  (notebook-remove-page notebook page))))
+            (for tab-hbox = (make-instance 'h-box))
+            (box-pack-start tab-hbox tab-label)
+            (box-pack-start tab-hbox tab-button)
+            (widget-show tab-hbox)
+            (notebook-add-page notebook page tab-hbox))
+      (container-add window expander)
+      (container-add expander notebook)
+      (widget-show window))))
 
 (defun calendar-detail (calendar year month day)
   (declare (ignore calendar year month))
     "!"))
 
 (defun test-calendar ()
-  (let ((window (make-instance 'gtk-window :title "Calendar" :type :toplevel :window-position :center :default-width 100 :default-height 100))
-        (calendar (make-instance 'calendar :detail-function #'calendar-detail)))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (g-signal-connect calendar "day-selected" (lambda (c) (declare (ignore c)) (format t "selected: year ~A month ~A day ~A~%"
-                                                                                       (calendar-year calendar)
-                                                                                       (calendar-month calendar)
-                                                                                       (calendar-day calendar))))
-    (container-add window calendar)
-    (widget-show window)
-    (gtk-main)))
+  "Test of GtkCalendar"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "Calendar" :type :toplevel :window-position :center :default-width 100 :default-height 100))
+          (calendar (make-instance 'calendar :detail-function #'calendar-detail)))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect calendar "day-selected" (lambda (c) (declare (ignore c)) (format t "selected: year ~A month ~A day ~A~%"
+                                                                                         (calendar-year calendar)
+                                                                                         (calendar-month calendar)
+                                                                                         (calendar-day calendar))))
+      (container-add window calendar)
+      (widget-show window))))
 
 (defun test-box-child-property ()
-  (let ((window (make-instance 'gtk-window :title "Text box child property" :type :toplevel :window-position :center :width-request 200 :height-request 200))
-        (box (make-instance 'h-box))
-        (button (make-instance 'toggle-button :active t :label "Expand")))
-    (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (g-signal-connect button "toggled" (lambda (b) (declare (ignore b)) (setf (box-child-expand box button) (toggle-button-active button))))
-    (container-add window box)
-    (box-pack-start box button)
-    (widget-show window)
-    (gtk-main)))
+  "Test of child-property usage"
+  (within-main-loop
+    (let ((window (make-instance 'gtk-window :title "Text box child property" :type :toplevel :window-position :center :width-request 200 :height-request 200))
+          (box (make-instance 'h-box))
+          (button (make-instance 'toggle-button :active t :label "Expand")))
+      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (g-signal-connect button "toggled" (lambda (b) (declare (ignore b)) (setf (box-child-expand box button) (toggle-button-active button))))
+      (container-add window box)
+      (box-pack-start box button)
+      (widget-show window))))
 
 (defun test-builder ()
-  (let ((builder (make-instance 'builder)))
-    (builder-add-from-file builder (namestring (merge-pathnames "demo/demo1.ui" *src-location*)))
-    (let ((text-view (builder-get-object builder "textview1"))
-          (c 0))
-      (builder-connect-signals-simple builder `(("toolbutton1_clicked_cb" ,(lambda (b)
-                                                                                   (declare (ignore b))
-                                                                                   #+nil(print (current-event))
-                                                                                   (setf (text-buffer-text (text-view-buffer text-view))
-                                                                                         (format nil "Clicked ~A times~%" (incf c)))
-                                                                                   (status-bar-pop (builder-get-object builder "statusbar1")
-                                                                                                   "times")
-                                                                                   (status-bar-push (builder-get-object builder "statusbar1")
-                                                                                                    "times"
-                                                                                                    (format nil "~A times" c))))
-                                                ("quit_cb" ,(lambda (&rest args)
-                                                                    (print args)
-                                                                    (object-destroy (builder-get-object builder "window1"))))
-                                                ("about_cb" ,(lambda (&rest args)
-                                                                     (print args)
-                                                                     (let ((d (make-instance 'about-dialog
-                                                                                             :program-name "GtkBuilder text"
-                                                                                             :version "0.00001"
-                                                                                             :authors '("Dmitry Kalyanov")
-                                                                                             :logo-icon-name "gtk-apply")))
-                                                                       (dialog-run d)
-                                                                       (object-destroy d)))))))
-    (g-signal-connect (builder-get-object builder "window1") "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-    (status-bar-push (builder-get-object builder "statusbar1") "times" "0 times")
-    (widget-show (builder-get-object builder "window1"))
-    (gtk-main)))
+  "Test of GtkBuilder"
+  (within-main-loop
+    (let ((builder (make-instance 'builder)))
+      (builder-add-from-file builder (namestring (merge-pathnames "demo/demo1.ui" *src-location*)))
+      (let ((text-view (builder-get-object builder "textview1"))
+            (c 0))
+        (builder-connect-signals-simple builder `(("toolbutton1_clicked_cb" ,(lambda (b)
+                                                                                     (declare (ignore b))
+                                                                                     #+nil(print (current-event))
+                                                                                     (setf (text-buffer-text (text-view-buffer text-view))
+                                                                                           (format nil "Clicked ~A times~%" (incf c)))
+                                                                                     (statusbar-pop (builder-get-object builder "statusbar1")
+                                                                                                     "times")
+                                                                                     (statusbar-push (builder-get-object builder "statusbar1")
+                                                                                                      "times"
+                                                                                                      (format nil "~A times" c))))
+                                                  ("quit_cb" ,(lambda (&rest args)
+                                                                      (print args)
+                                                                      (object-destroy (builder-get-object builder "window1"))))
+                                                  ("about_cb" ,(lambda (&rest args)
+                                                                       (print args)
+                                                                       (let ((d (make-instance 'about-dialog
+                                                                                               :program-name "GtkBuilder text"
+                                                                                               :version "0.00001"
+                                                                                               :authors '("Dmitry Kalyanov")
+                                                                                               :logo-icon-name "gtk-apply")))
+                                                                         (dialog-run d)
+                                                                         (object-destroy d)))))))
+      (g-signal-connect (builder-get-object builder "window1") "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+      (statusbar-push (builder-get-object builder "statusbar1") "times" "0 times")
+      (widget-show (builder-get-object builder "window1")))))
 
 (defun read-text-file (file-name)
   (with-output-to-string (str)
          do (write-string line str)))))
 
 (defun demo-text-editor ()
-  (let* ((builder (aprog1 (make-instance 'builder)
-                    (builder-add-from-file it (namestring (merge-pathnames "demo/text-editor.ui" *src-location*)))))
-         (window (builder-get-object builder "window1"))
-         (text-view (builder-get-object builder "textview1"))
-         (status-bar (builder-get-object builder "statusbar1"))
-         (file-name nil)
-         (modified-p t))
-    (status-bar-push status-bar "filename" "Untitled *")
-    (labels ((set-properties ()
-               (status-bar-pop status-bar "filename")
-               (status-bar-push status-bar "filename" (format nil "~A~:[~; *~]" (or file-name "Untitled") modified-p)))
-             (new (&rest args) (declare (ignore args))
-               (setf file-name nil
-                     modified-p t
-                     (text-buffer-text (text-view-buffer text-view)) "")
-               (set-properties))
-             (cb-open (&rest args) (declare (ignore args))
-               (let ((d (make-instance 'file-chooser-dialog :action :open :title "Open file")))
-                 (when file-name (setf (file-chooser-filename d) file-name))
-                 (dialog-add-button d "gtk-open" :accept)
-                 (dialog-add-button d "gtk-cancel" :cancel)
-                 (when (eq :accept (dialog-run d))
-                   (setf file-name (file-chooser-filename d)
-                         (text-buffer-text (text-view-buffer text-view)) (read-text-file file-name)
-                         modified-p nil)
-                   (set-properties))
-                 (object-destroy d)))
-             (save (&rest args) (declare (ignore args))
-               (if file-name
-                   (progn
-                     (with-open-file (file file-name :direction :output :if-exists :supersede)
-                       (write-string (text-buffer-text (text-view-buffer text-view)) file))
-                     (setf modified-p nil)
-                     (set-properties))
-                   (save-as)))
-             (save-as (&rest args) (declare (ignore args))
-               (let ((d (make-instance 'file-chooser-dialog :action :save :title "Save file")))
-                 (when file-name (setf (file-chooser-filename d) file-name))
-                 (dialog-add-button d "gtk-save" :accept)
-                 (dialog-add-button d "gtk-cancel" :cancel)
-                 (if (eq :accept (dialog-run d))
-                     (progn
-                       (setf file-name (file-chooser-filename d))
-                       (object-destroy d)
-                       (save))
-                     (object-destroy d))))
-             (cut (&rest args) (declare (ignore args))
-               (text-buffer-cut-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
-             (copy (&rest args) (declare (ignore args))
-               (text-buffer-copy-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
-             (paste (&rest args) (declare (ignore args))
-               (text-buffer-paste-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
-             (cb-delete (&rest args) (declare (ignore args))
-               (let ((buffer (text-view-buffer text-view)))
-                 (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
-                   (when (and i1 i2)
-                     (text-buffer-delete buffer i1 i2)))))
-             (about (&rest args) (declare (ignore args))
-               (let ((d (make-instance 'about-dialog
-                                       :program-name "Lisp Gtk+ Binding Demo Text Editor"
-                                       :version (format nil "0.0.0.1 ~A" #\GREEK_SMALL_LETTER_ALPHA)
-                                       :authors '("Kalyanov Dmitry")
-                                       :license "Public Domain"
-                                       :logo-icon-name "accessories-text-editor")))
-                 (dialog-run d)
-                 (object-destroy d)))
-             (quit (&rest args) (declare (ignore args)) (object-destroy window))
-             (cb-eval (&rest args) (declare (ignore args))
-               (let ((buffer (text-view-buffer text-view)))
-                 (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
-                   (when (and i1 i2)
+  "More advanced example: text editor with ability to evaluate lisp expressions"
+  (within-main-loop
+    (let* ((builder (let ((builder (make-instance 'builder)))
+                      (builder-add-from-file builder (namestring (merge-pathnames "demo/text-editor.ui" *src-location*)))
+                      builder))
+           (window (builder-get-object builder "window1"))
+           (text-view (builder-get-object builder "textview1"))
+           (statusbar (builder-get-object builder "statusbar1"))
+           (file-name nil)
+           (modified-p t))
+      (statusbar-push statusbar "filename" "Untitled *")
+      (labels ((set-properties ()
+                 (statusbar-pop statusbar "filename")
+                 (statusbar-push statusbar "filename" (format nil "~A~:[~; *~]" (or file-name "Untitled") modified-p)))
+               (new (&rest args) (declare (ignore args))
+                    (setf file-name nil
+                          modified-p t
+                          (text-buffer-text (text-view-buffer text-view)) "")
+                    (set-properties))
+               (cb-open (&rest args) (declare (ignore args))
+                        (let ((d (make-instance 'file-chooser-dialog :action :open :title "Open file")))
+                          (when file-name (setf (file-chooser-filename d) file-name))
+                          (dialog-add-button d "gtk-open" :accept)
+                          (dialog-add-button d "gtk-cancel" :cancel)
+                          (when (eq :accept (dialog-run d))
+                            (setf file-name (file-chooser-filename d)
+                                  (text-buffer-text (text-view-buffer text-view)) (read-text-file file-name)
+                                  modified-p nil)
+                            (set-properties))
+                          (object-destroy d)))
+               (save (&rest args) (declare (ignore args))
+                     (if file-name
+                         (progn
+                           (with-open-file (file file-name :direction :output :if-exists :supersede)
+                             (write-string (text-buffer-text (text-view-buffer text-view)) file))
+                           (setf modified-p nil)
+                           (set-properties))
+                         (save-as)))
+               (save-as (&rest args) (declare (ignore args))
+                        (let ((d (make-instance 'file-chooser-dialog :action :save :title "Save file")))
+                          (when file-name (setf (file-chooser-filename d) file-name))
+                          (dialog-add-button d "gtk-save" :accept)
+                          (dialog-add-button d "gtk-cancel" :cancel)
+                          (if (eq :accept (dialog-run d))
+                              (progn
+                                (setf file-name (file-chooser-filename d))
+                                (object-destroy d)
+                                (save))
+                              (object-destroy d))))
+               (cut (&rest args) (declare (ignore args))
+                    (text-buffer-cut-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD") t))
+               (copy (&rest args) (declare (ignore args))
+                     (text-buffer-copy-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
+               (paste (&rest args) (declare (ignore args))
+                      (text-buffer-paste-clipboard (text-view-buffer text-view) (get-clipboard "CLIPBOARD")))
+               (cb-delete (&rest args) (declare (ignore args))
+                          (let ((buffer (text-view-buffer text-view)))
+                            (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
+                              (when (and i1 i2)
+                                (text-buffer-delete buffer i1 i2)))))
+               (about (&rest args) (declare (ignore args))
+                      (let ((d (make-instance 'about-dialog
+                                              :program-name "Lisp Gtk+ Binding Demo Text Editor"
+                                              :version (format nil "0.0.0.1 ~A" #\GREEK_SMALL_LETTER_ALPHA)
+                                              :authors '("Kalyanov Dmitry")
+                                              :license "Public Domain"
+                                              :logo-icon-name "accessories-text-editor")))
+                        (dialog-run d)
+                        (object-destroy d)))
+               (quit (&rest args) (declare (ignore args)) (object-destroy window))
+               (cb-eval (&rest args) (declare (ignore args))
+                        (let ((buffer (text-view-buffer text-view)))
+                          (multiple-value-bind (i1 i2) (text-buffer-get-selection-bounds buffer)
+                            (when (and i1 i2)
+                              (with-gtk-message-error-handler
+                                (let* ((text (text-buffer-slice buffer i1 i2))
+                                       (value (eval (read-from-string text)))
+                                       (value-str (format nil "~A" value))
+                                       (pos (max (text-iter-offset i1) (text-iter-offset i2))))
+                                  (text-buffer-insert buffer " => " :position (text-buffer-get-iter-at-offset buffer pos))
+                                  (incf pos (length " => "))
+                                  (text-buffer-insert buffer value-str :position (text-buffer-get-iter-at-offset buffer pos)))))))))
+        (builder-connect-signals-simple builder `(("new" ,#'new)
+                                                  ("open" ,#'cb-open)
+                                                  ("save" ,#'save)
+                                                  ("save-as" ,#'save-as)
+                                                  ("cut" ,#'cut)
+                                                  ("copy" ,#'copy)
+                                                  ("paste" ,#'paste)
+                                                  ("delete" ,#'cb-delete)
+                                                  ("about" ,#'about)
+                                                  ("quit" ,#'quit)
+                                                  ("eval" ,#'cb-eval)))
+        (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (leave-gtk-main)))
+        (g-signal-connect (text-view-buffer text-view) "changed" (lambda (b) (declare (ignore b)) (setf modified-p t) (set-properties)))
+        (widget-show window)))))
+
+(defun demo-class-browser ()
+  "Show slots of a given class"
+  (let ((output *standard-output*))
+    (with-main-loop
+        (let* ((window (make-instance 'gtk-window
+                                      :window-position :center
+                                      :title "Class Browser"
+                                      :default-width 400
+                                      :default-height 600))
+               (search-entry (make-instance 'entry))
+               (search-button (make-instance 'button :label "Search"))
+               (scroll (make-instance 'scrolled-window
+                                      :hscrollbar-policy :automatic
+                                      :vscrollbar-policy :automatic))
+               (slots-model (make-instance 'array-list-store))
+               (slots-list (make-instance 'tree-view :model slots-model)))
+          (let ((v-box (make-instance 'v-box))
+                (search-box (make-instance 'h-box)))
+            (container-add window v-box)
+            (box-pack-start v-box search-box :expand nil)
+            (box-pack-start search-box search-entry)
+            (box-pack-start search-box search-button :expand nil)
+            (box-pack-start v-box scroll)
+            (container-add scroll slots-list))
+          (store-add-column slots-model "gchararray"
+                            (lambda (slot)
+                              (format nil "~S" (closer-mop:slot-definition-name slot))))
+          (let ((col (make-instance 'tree-view-column :title "Slot name"))
+                (cr (make-instance 'cell-renderer-text)))
+            (tree-view-column-pack-start col cr)
+            (tree-view-column-add-attribute col cr "text" 0)
+            (tree-view-append-column slots-list col))
+          (labels ((display-class-slots (class)
+                     (format output "Displaying ~A~%" class)
+                     (loop
+                        repeat (store-items-count slots-model)
+                        do (store-remove-item slots-model (store-item slots-model 0)))
+                     (closer-mop:finalize-inheritance class)
+                     (loop
+                        for slot in (closer-mop:class-slots class)
+                        do (store-add-item slots-model slot)))
+                   (on-search-clicked (button)
+                     (declare (ignore button))
                      (with-gtk-message-error-handler
-                       (let* ((text (text-buffer-slice buffer i1 i2))
-                              (value (eval (read-from-string text)))
-                              (value-str (format nil "~A" value))
-                              (pos (max (text-iter-offset i1) (text-iter-offset i2))))
-                         (text-buffer-insert buffer " => " :position (text-buffer-get-iter-at-offset buffer pos))
-                         (incf pos (length " => "))
-                         (text-buffer-insert buffer value-str :position (text-buffer-get-iter-at-offset buffer pos)))))))))
-      (builder-connect-signals-simple builder `(("new" ,#'new)
-                                                ("open" ,#'cb-open)
-                                                ("save" ,#'save)
-                                                ("save-as" ,#'save-as)
-                                                ("cut" ,#'cut)
-                                                ("copy" ,#'copy)
-                                                ("paste" ,#'paste)
-                                                ("delete" ,#'cb-delete)
-                                                ("about" ,#'about)
-                                                ("quit" ,#'quit)
-                                                ("eval" ,#'cb-eval)))
-      (g-signal-connect window "destroy" (lambda (w) (declare (ignore w)) (gtk-main-quit)))
-      (g-signal-connect (text-view-buffer text-view) "changed" (lambda (b) (declare (ignore b)) (setf modified-p t) (set-properties)))
-      (widget-show window)
-      (gtk-main))))
\ No newline at end of file
+                         (let* ((class-name (read-from-string (entry-text search-entry)))
+                                (class (find-class class-name)))
+                           (display-class-slots class)))))
+            (g-signal-connect search-button "clicked" #'on-search-clicked))
+          (widget-show window)))))
+
+(defun make-tree-from-sexp (l)
+  (setf l (if (listp l) l (list l)))
+  (let ((node (make-tree-node :item (make-tvi :title (format nil "~S" (first l))
+                                              :value (format nil "~S" (class-of (first l)))))))
+    (iter (for child in (rest l))
+          (tree-node-insert-at node (make-tree-from-sexp child) (length (tree-node-children node))))
+    node))
+
+(defun demo-treeview-tree ()
+  "Advanced demo: show s-expression tree structure"
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window :type :toplevel :title "Treeview (tree)"))
+           (model (make-instance 'tree-lisp-store))
+           (scroll (make-instance 'scrolled-window :hscrollbar-policy :automatic :vscrollbar-policy :automatic))
+           (tree-view (make-instance 'tree-view :headers-visible t :width-request 300 :height-request 400 :rules-hint t))
+           (h-box (make-instance 'h-box))
+           (v-box (make-instance 'v-box))
+           (entry (make-instance 'entry))
+           (button (make-instance 'button :label "Display")))
+      (tree-lisp-store-add-column model "gchararray" #'tvi-title)
+      (tree-lisp-store-add-column model "gchararray" #'tvi-value)
+      (tree-node-insert-at (tree-lisp-store-root model)
+                           (make-tree-from-sexp '(lambda (object &rest initargs &key &allow-other-keys)
+                                                  (* 1 2)
+                                                  (- 3 4)))
+                           0)
+      (setf (tree-view-model tree-view) model
+            (tree-view-tooltip-column tree-view) 0)
+      (connect-signal tree-view "row-activated" (lambda (tv path column)
+                                                  (declare (ignore tv column))
+                                                  (format t "You clicked on row ~A~%" (tree-path-indices path))))
+      (connect-signal button "clicked" (lambda (b)
+                                         (declare (ignore b))
+                                         (let ((object (read-from-string (entry-text entry))))
+                                           (tree-node-remove-at (tree-lisp-store-root model) 0)
+                                           (tree-node-insert-at (tree-lisp-store-root model)
+                                                                (make-tree-from-sexp object)
+                                                                0))))
+      (container-add window v-box)
+      (box-pack-start v-box h-box :expand nil)
+      (box-pack-start h-box entry)
+      (box-pack-start h-box button :expand nil)
+      (box-pack-start v-box scroll)
+      (container-add scroll tree-view)
+      (let ((column (make-instance 'tree-view-column :title "Value" :sort-column-id 0))
+            (renderer (make-instance 'cell-renderer-text :text "A text")))
+        (tree-view-column-pack-start column renderer)
+        (tree-view-column-add-attribute column renderer "text" 0)
+        (tree-view-append-column tree-view column)
+        (print (tree-view-column-tree-view column))
+        (print (tree-view-column-cell-renderers column)))
+      (let ((column (make-instance 'tree-view-column :title "Type"))
+            (renderer (make-instance 'cell-renderer-text :text "A text")))
+        (tree-view-column-pack-start column renderer)
+        (tree-view-column-add-attribute column renderer "text" 1)
+        (tree-view-append-column tree-view column)
+        (print (tree-view-column-tree-view column))
+        (print (tree-view-column-cell-renderers column)))
+      (widget-show window))))
+
+(defclass custom-window (gtk-window)
+  ((label :initform (make-instance 'label :label "A label text") :reader custom-window-label)
+   (button :initform (make-instance 'button :label "Click me!") :reader custom-window-button))
+  (:metaclass gobject-class)
+  (:default-initargs :title "Custom window with default initargs" :default-width 320 :default-height 240))
+
+(defun custom-window-label-text (w)
+  (label-label (custom-window-label w)))
+
+(defun (setf custom-window-label-text) (new-value w)
+  (setf (label-label (custom-window-label w)) new-value))
+
+(defmethod initialize-instance :after ((w custom-window) &key &allow-other-keys)
+  (let ((box (make-instance 'v-box)))
+    (box-pack-start box (custom-window-label w))
+    (box-pack-start box (custom-window-button w) :expand nil)
+    (container-add w box))
+  (connect-signal (custom-window-button w) "clicked" (lambda (b)
+                                                       (declare (ignore b))
+                                                       (custom-window-button-clicked w))))
+
+(defun custom-window-button-clicked (w)
+  (setf (custom-window-label-text w)
+        (format nil "Now is: ~A~%" (get-internal-run-time))))
+
+(defun test-custom-window ()
+  "Simple test of non-GObject subclass of GtkWindow"
+  (within-main-loop
+    (let ((w (make-instance 'custom-window)))
+      (widget-show w))))
+
+(defun test-assistant ()
+  "Simple test of GtkAssistant wizard"
+  (let ((output *standard-output*))
+    (within-main-loop
+      (let ((d (make-instance 'assistant :title "Username wizard"))
+            (p-1 (make-instance 'h-box))
+            (entry (make-instance 'entry))
+            (p-2 (make-instance 'label :label "Click Apply to close this wizard")))
+        (box-pack-start p-1 (make-instance 'label :label "Enter your name:") :expand nil)
+        (box-pack-start p-1 entry)
+        (assistant-append-page d p-1)
+        (assistant-append-page d p-2)
+        (setf (assistant-child-title d p-1) "Username wizard"
+              (assistant-child-title d p-2) "Username wizard"
+              (assistant-child-complete d p-1) nil
+              (assistant-child-complete d p-2) t
+              (assistant-child-page-type d p-1) :intro
+              (assistant-child-page-type d p-2) :confirm
+              (assistant-forward-page-function d) (lambda (i)
+                                                    (format output "(assistant-forward-page-function ~A)~%" i)
+                                                    (ecase i
+                                                      (0 1)
+                                                      (1 -1))))
+        (connect-signal entry "notify::text" (lambda (object pspec)
+                                               (declare (ignore object pspec))
+                                               (setf (assistant-child-complete d p-1)
+                                                     (plusp (length (entry-text entry))))))
+        (let ((w (make-instance 'label :label "A label in action area")))
+          (widget-show w)
+          (assistant-add-action-widget d w))
+        (connect-signal d "cancel" (lambda (assistant)
+                                     (declare (ignore assistant))
+                                     (object-destroy d)
+                                     (format output "Canceled~%")))
+        (connect-signal d "close" (lambda (assistant)
+                                    (declare (ignore assistant))
+                                    (object-destroy d)
+                                    (format output "Thank you, ~A~%" (entry-text entry))))
+        (connect-signal d "prepare" (lambda (assistant page-widget)
+                                      (declare (ignore assistant page-widget))
+                                      (format output "Assistant ~A has ~A pages and is on ~Ath page~%"
+                                              d (assistant-n-pages d) (assistant-current-page d))))
+        (widget-show d)))))
+
+(defun test-entry-completion ()
+  "Not working example of GtkEntryCompletion"
+  (within-main-loop
+    (let* ((w (make-instance 'gtk-window))
+           (model (make-instance 'tree-lisp-store)))
+      (tree-lisp-store-add-column model "gchararray" #'identity)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Monday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Tuesday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Wednesday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Thursday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Friday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Saturday") 0)
+      (tree-node-insert-at (tree-lisp-store-root model) (make-tree-node :item "Sunday") 0)
+      (let* ((completion (make-instance 'entry-completion :model model :text-column 0))
+             (e (make-instance 'entry :completion completion)))
+        (setf (entry-completion-text-column completion) 0)
+        (container-add w e))
+      (widget-show w))))
+
+(defun demo-all ()
+  (within-main-loop
+    (let* ((window (make-instance 'gtk-window
+                                  :title "cl-gtk2-gtk demo"
+                                  :window-position :center
+                                  :default-width 500
+                                  :default-height 500))
+           (scrolled (make-instance 'scrolled-window
+                                    :hscrollbar-policy :automatic
+                                    :vscrollbar-policy :automatic))
+           (viewport (make-instance 'viewport))
+           (v-box-buttons (make-instance 'v-box))
+           (v-box-top (make-instance 'v-box)))
+      (container-add window v-box-top)
+      (box-pack-start v-box-top (make-instance 'label :label "These are the demos of cl-gtk2-gtk:") :expand nil)
+      (box-pack-start v-box-top scrolled)
+      (container-add scrolled viewport)
+      (container-add viewport v-box-buttons)
+      (iter (for s in-package :gtk-demo :external-only t)
+            (for fn = (fdefinition s))
+            (unless fn (next-iteration))
+            (when (eq s 'gtk-demo:demo-all) (next-iteration))
+            (for docstring = (documentation fn t))
+            (for description = (format nil "~A~@[~%~A~]" (string-downcase (symbol-name s)) docstring))
+            (for label = (make-instance 'label :label description :justify :center))
+            (for button = (make-instance 'button))
+            (container-add button label)
+            (connect-signal button "clicked"
+                            (let ((fn fn))
+                              (lambda (b)
+                                (declare (ignore b))
+                                (funcall fn))))
+            (box-pack-start v-box-buttons button :expand nil))
+      (widget-show window))))
+
+(defun test-ui-markup ()
+  (within-main-loop
+    (let ((label (make-instance 'label :label "Hello!")))
+      (let-ui (gtk-window :type :toplevel
+                          :position :center
+                          :title "Hello, world!"
+                          :default-width 300
+                          :default-height 400
+                          :var w
+                          (v-box
+                           (:expr label) :expand nil
+                           (scrolled-window
+                            :hscrollbar-policy :automatic
+                            :vscrollbar-policy :automatic
+                            :shadow-type :etched-in
+                            (text-view :var tv))
+                           (h-box
+                            (label :label "Insert:") :expand nil
+                            (entry :var entry)
+                            (button :label "gtk-ok" :use-stock t :var btn) :expand nil)
+                           :expand nil
+                           (label :label "Table packing")
+                           :expand nil
+                           (table
+                            :n-columns 2
+                            :n-rows 2
+                            (label :label "2 x 1") :left 0 :right 2 :top 0 :bottom 1
+                            (label :label "1 x 1") :left 0 :right 1 :top 1 :bottom 2
+                            (label :label "1 x 1") :left 1 :right 2 :top 1 :bottom 2)))
+        (connect-signal btn "clicked"
+                        (lambda (b)
+                          (declare (ignore b))
+                          (text-buffer-insert (text-view-buffer tv)
+                                              (entry-text entry))))
+        (widget-show w)))))