diff -r c90c7db6e6d9 -r fb2f2197eada UIPainter.st
--- a/UIPainter.st	Thu Dec 05 14:44:11 2013 +0100
+++ b/UIPainter.st	Fri Dec 06 10:49:39 2013 +0100
@@ -4646,9 +4646,9 @@
     "spread the painter and gallery views on the screen"
 
     |myWindow canvasWindow canvasOrg galleryWindow 
-     galleryOrg myOrg myCorner windowGroup|
-
-    super postOpenWith: aBuilder.
+     galleryOrg windowGroup monitorBounds myViewRectangle|
+
+    super postOpenWith:aBuilder.
 
     windowGroup := self topApplication windowGroup.
     windowGroup addPreEventHook:self.
@@ -4664,30 +4664,26 @@
 
     galleryWindow := selectionPanel window.
 
-    myOrg := myWindow origin.
-    myCorner := myWindow corner.
-
     "/ try to lay out things non-overlapping
-    true
-
     "/ but only, if the window manager placed all windows
     "/ on top of each other
-    "/ myOrg = canvasWindow origin 
-
-    ifTrue:[
-
-        canvasOrg := 10@20.
-"/        myOrg := (device width - myWindow width - 20) @ 20.
-        galleryOrg := (device width - galleryWindow width - 20) 
+    "/ make sure, that all the windows are on the same physical monitor
+    monitorBounds := device monitorBoundsAt:self window origin.
+    myViewRectangle := myWindow screenBounds.
+    (myViewRectangle intersects:galleryWindow screenBounds) ifTrue:[
+        galleryOrg := (monitorBounds right - galleryWindow width - 20) 
                       @ 
-                      ((myWindow height + 20) min:(device height - galleryWindow height - 20)).
-        myWindow origin:myOrg.
-
-        canvasWindow origin:canvasOrg.
-        galleryWindow origin:galleryOrg.
-
-        galleryWindow raise.
-        canvasWindow raise.
+                      ((myWindow bottom + 20) min:(monitorBounds bottom - galleryWindow height - 20)).
+        galleryWindow 
+            origin:galleryOrg;
+            raise.
+    ].
+    ((myViewRectangle intersects:canvasWindow screenBounds)
+     or:[galleryWindow screenBounds intersects:canvasWindow screenBounds])ifTrue:[          
+        canvasOrg := monitorBounds origin + (10@20).
+        canvasWindow 
+            origin:canvasOrg;
+            raise.
     ].
 
     self setupCanvasAndSelectionPanel.
@@ -4695,10 +4691,11 @@
 "/    selectionPanel window waitUntilVisible.
 "/    painterView window waitUntilVisible.
 "/    self window waitUntilVisible.
-    [   Delay waitForSeconds:0.1. 
-        self window topView raise.
+    [   
+        Delay waitForSeconds:0.1. 
+        myWindow topView raise.
         Delay waitForSeconds:0.25. 
-        self window topView raise 
+        myWindow topView raise 
     ] fork.
     "Modified: / 13.7.1999 / 21:26:52 / cg"
 !