Fix previews after screen blanking on live controller

bzr-revno: 1279
2011-02-08 18:42:24 +00:00 · 2011-02-08 18:42:24 +00:00 · 48e5fc0ced
parent d3bf2a216e 975d9f6a1c
commit 48e5fc0ced
1 changed files with 2 additions and 1 deletions
--- a/openlp/core/ui/slidecontroller.py
+++ b/openlp/core/ui/slidecontroller.py
@ -874,7 +874,8 @@ class SlideController(QtGui.QWidget):
        using *Blank to Theme*.
        """
        log.debug(u'updatePreview %s ' % self.screens.current[u'primary'])
-        if not self.screens.current[u'primary']:
+        if not self.screens.current[u'primary'] and \
+            self.serviceItem.is_capable(ItemCapabilities.ProvidesOwnDisplay):
            # Grab now, but try again in a couple of seconds if slide change
            # is slow
            QtCore.QTimer.singleShot(0.5, self.grabMainDisplay)