use MAIN-WINDOW: in a few places.

extra/cairo-demo/cairo-demo.factor

@@ -78,9 +78,6 @@ M: cairo-demo-gadget ungraft* ( gadget -- )
 : <cairo-demo-gadget> ( -- gadget )
     cairo-demo-gadget new ;
 
-: run-cairo-demo ( -- )
+MAIN-WINDOW: run-cairo-demo
-    [
+    { { title "Hello World from Factor!" } }
-        <cairo-demo-gadget> "Hello World from Factor!" open-window
+    <cairo-demo-gadget> >>gadgets ;
-    ] with-ui ;
-
-MAIN: run-cairo-demo

extra/pong/pong.factor

@@ -165,8 +165,6 @@ M:: <pong> draw-gadget* ( PONG -- )
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-: pong-window ( -- ) pong [ "PONG" open-window ] [ start-pong-thread ] bi ;
+MAIN-WINDOW: pong-window
-
+    { { title "PONG" } }
-: pong-main ( -- ) [ pong-window ] with-ui ;
+    pong [ >>gadgets ] [ start-pong-thread ] bi ;
-
-MAIN: pong-window

extra/rosetta-code/animate-pendulum/animate-pendulum.factor

@@ -54,7 +54,6 @@ M: pendulum-gadget ungraft*
     pendulum-gadget new
     { 500 500 } >>pref-dim ;
 
-: pendulum-main ( -- )
+MAIN-WINDOW: pendulum-main
-    [ <pendulum-gadget> "pendulum" open-window ] with-ui ;
+    { { title "pendulum" } }
-
+    <pendulum-gadget> >>gadgets ;
-MAIN: pendulum-main

extra/rosetta-code/animation/animation.factor

@@ -46,7 +46,6 @@ M: animated-label graft*
 M: animated-label ungraft*
     alarm>> stop-timer ;
 
-: animated-main ( -- )
+MAIN-WINDOW: animated-main
-   [ sentence <model> <animated-label> "Rosetta" open-window ] with-ui ;
+    { { title "Rosetta" } }
-
+    sentence <model> <animated-label> >>gadgets ;
-MAIN: animated-main

extra/rosetta-code/image-noise/image-noise.factor

@@ -67,7 +67,6 @@ M: bw-noise-gadget ungraft* [ stop-animation ] [ call-next-method ] bi ;
     [ fps-model>> fps-gadget ]
     [ <pile> swap add-gadget swap add-gadget ] bi ;
 
-: open-noise-window ( -- )
+MAIN-WINDOW: open-noise-window
-    [ <bw-noise-gadget> with-fps "Black and White noise" open-window ] with-ui ;
+    { { title "Black and White noise" } }
-
+    <bw-noise-gadget> >>gadgets ;
-MAIN: open-noise-window

extra/rosetta-code/opengl/opengl.factor

@@ -1,7 +1,7 @@
 ! Copyright (c) 2012 Anonymous
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel math math.rectangles opengl.gl sequences ui
+USING: accessors kernel math math.rectangles opengl.gl
-ui.gadgets ui.render ;
+sequences ui ui.gadgets ui.render ;
 IN: rosetta-code.opengl
 
 ! http://rosettacode.org/wiki/OpenGL
@@ -35,7 +35,6 @@ M: triangle-gadget pref-dim* drop { 640 480 } ;
 M: triangle-gadget draw-gadget*
     rect-bounds nip first2 reshape paint ;
 
-: triangle-window ( -- )
+MAIN-WINDOW: triangle-window
-   [ triangle-gadget new "Triangle" open-window ] with-ui ;
+    { { title "Triangle" } }
-
+    triangle-gadget new >>gadgets ;
-MAIN: triangle-window

extra/trails/trails.factor

@@ -92,8 +92,6 @@ M:: trails-gadget draw-gadget* ( GADGET -- )
 
   dup start-trails-thread ;
 
-: trails-window ( -- ) [ <trails-gadget> "Trails" open-window ] with-ui ;
+MAIN-WINDOW: trails-window
-
+    { { title "Trails" } }
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+    <trails-gadget> >>gadgets ;
-
-MAIN: trails-window