Adapt code for new Settings() infrastructure.

openlp/core/__init__.py

@@ -122,7 +122,7 @@ class OpenLP(QtGui.QApplication):
                 Settings().setValue(u'general/has run wizard', True)
         # Correct stylesheet bugs
         application_stylesheet = u''
-        if not Settings().value(u'advanced/alternate rows', not sys.platform.startswith(u'win')):
+        if not Settings().value(u'advanced/alternate rows'):
             base_color = self.palette().color(QtGui.QPalette.Active, QtGui.QPalette.Base)
             alternate_rows_repair_stylesheet = \
                 u'QTableWidget, QListWidget, QTreeWidget {alternate-background-color: ' + base_color.name() + ';}\n'

openlp/core/lib/settings.py

@@ -87,6 +87,7 @@ class Settings(QtCore.QSettings):
     """
     __default_settings__ = {
         u'advanced/x11 bypass wm': X11_BYPASS_DEFAULT,
+        u'advanced/alternate rows': not sys.platform.startswith(u'win'),
         u'advanced/default service enabled': True,
         u'advanced/enable exit confirmation': True,
         u'advanced/save current plugin': False,

openlp/core/ui/advancedtab.py

@@ -368,10 +368,9 @@ class AdvancedTab(SettingsTab):
         self.defaultColor = settings.value(u'default color')
         self.defaultFileEdit.setText(settings.value(u'default image'))
         self.slide_limits = settings.value(u'slide limits')
-        # Fix for bug #936281.
         # Prevent the dialog displayed by the alternateRowsCheckBox to display.
         self.alternateRowsCheckBox.blockSignals(True)
-        self.alternateRowsCheckBox.setChecked(settings.value(u'alternate rows', not sys.platform.startswith(u'win')))
+        self.alternateRowsCheckBox.setChecked(settings.value(u'alternate rows'))
         self.alternateRowsCheckBox.blockSignals(False)
         if self.slide_limits == SlideLimits.End:
             self.endSlideRadioButton.setChecked(True)