Remove alternating row colours on Windows OS. No configuration.

bzr-revno: 2115

openlp/core/__init__.py

@@ -60,7 +60,7 @@ __all__ = [u'OpenLP', u'main']
 
 
 log = logging.getLogger()
-application_stylesheet = u"""
+nt_repair_stylesheet = u"""
 QMainWindow::separator
 {
   border: none;
@@ -128,8 +128,16 @@ class OpenLP(QtGui.QApplication):
             if FirstTimeForm(screens).exec_() == QtGui.QDialog.Accepted:
                 Settings().setValue(u'general/has run wizard',
                     QtCore.QVariant(True))
+        # Correct stylesheet bugs
         if os.name == u'nt':
+            base_color = self.palette().color(QtGui.QPalette.Active,
+                QtGui.QPalette.Base)
+            application_stylesheet = \
+                u'* {alternate-background-color: ' + \
+                base_color.name() + ';}\n'
+            application_stylesheet += nt_repair_stylesheet
             self.setStyleSheet(application_stylesheet)
+        # show the splashscreen
         show_splash = Settings().value(
             u'general/show splash', QtCore.QVariant(True)).toBool()
         if show_splash: