diff -r cbf04542c6a7 -r 8f63100a2b2c FontPanel.st
--- a/FontPanel.st	Wed Jan 27 17:03:26 2016 +0100
+++ b/FontPanel.st	Tue Feb 02 18:49:05 2016 +0100
@@ -609,7 +609,7 @@
         encodingLabel beInvisible
     ].
 
-    Screen current supportsXFTFonts ifTrue:[
+    self graphicsDevice supportsXftFonts ifTrue:[
         self xftFontsOnlyHolder value: (UserPreferences current useXftFontsOnly).
         xftCheckBox := CheckBox label:(resources string:'XFT Fonts Only') in:box1.
         xftCheckBox model:xftFontsOnlyHolder.
@@ -1075,7 +1075,7 @@
             encodingLabel label:enc.
             currentEncoding := enc.
             fontName := deviceFont fullName.
-            (font isKindOf:XftFontDescription) ifTrue:[fontName := fontName,' (xft)'].
+            font isXftFont ifTrue:[fontName := fontName,' (xft)'].
             previewField contents:(font userFriendlyName,'\\' withCRs,(self class defaultSampleStringForEncoding:enc) asString).
         ] ifFalse:[
             previewField contents:nil.
@@ -1562,8 +1562,15 @@
 !
 
 flushListOfAvailableFonts
-    XftFontDescription flushListOfAvailableFonts.
-    self updateFamilyList
+    self withWaitCursorDo:[
+        "this may take some time, especially with X11 XFT fonts"
+        self graphicsDevice 
+            flushListOfAvailableFonts;
+            listOfAvailableFonts.
+
+        familyList list:nil.
+        self updateFamilyList.
+    ].
 !
 
 okPressed
@@ -1574,7 +1581,7 @@
 
     szUnitUsed := (sizeUnit ? #pt).
     sz := Number readFrom:currentSize.
-    (currentSize endsWith:'px') ifTrue:[
+    (currentSize endsWith:#px) ifTrue:[
         szUnitUsed := #px
     ].
 
@@ -1582,7 +1589,7 @@
     okAction notNil ifTrue:[
         currentFamily notNil ifTrue:[
             okAction value:
-                (((Screen current supportsXFTFonts and:[ self xftFontsOnlyHolder value ])
+                (((self graphicsDevice supportsXftFonts and:[self xftFontsOnlyHolder value])
                         ifTrue:[XftFontDescription]
                         ifFalse:[FontDescription])
                       family:currentFamily