handle case of empty text

diff --git a/lib/python/Components/ScrollLabel.py b/lib/python/Components/ScrollLabel.py
index 109dc8e42bd689cc2766dfac84fcb1ba1b604c39..253353bb4d5c120bcf863862e77391aee97fc1ec 100644 (file)
--- a/lib/python/Components/ScrollLabel.py
+++ b/lib/python/Components/ScrollLabel.py
@@ -30,6 +30,8 @@ class ScrollLabel(HTMLComponent, GUIComponent):
                s = self.long_text.size()
                self.instance.move(self.long_text.position())
                lineheight=fontRenderClass.getInstance().getLineHeight( self.long_text.getFont() )
+               if not lineheight:
+                       lineheight = 30 # assume a random lineheight if nothing is visible
                lines = (int)(s.height() / lineheight)
                self.pageHeight = (int)(lines * lineheight)
                self.instance.resize(eSize(s.width(), self.pageHeight+(int)(lineheight/6)))