fix up alert changing triggers

openlp/core/ui/maindisplay.py

@@ -58,6 +58,7 @@ class MainDisplay(QtGui.QGraphicsView):
         self.screens = ScreenList.get_instance()
         self.plugins = PluginManager.get_instance().plugins
         self.alertTab = None
+        self.rebuildCSS = False
         self.hideMode = None
         self.videoHide = False
         self.override = {}
@@ -81,6 +82,20 @@ class MainDisplay(QtGui.QGraphicsView):
             QtCore.QObject.connect(Receiver.get_receiver(),
                 QtCore.SIGNAL(u'openlp_phonon_creation'),
                 self.createMediaObject)
+            QtCore.QObject.connect(Receiver.get_receiver(),
+                QtCore.SIGNAL(u'alertTab_updated'), self.alertTabChanged)
+            QtCore.QObject.connect(Receiver.get_receiver(),
+                QtCore.SIGNAL(u'config_updated'), self.configChanged)
+
+    def alertTabChanged(self):
+        print "alert"
+        self.rebuildCSS = True
+
+    def configChanged(self):
+        print "config"
+        if self.rebuildCSS:
+            print "Need to rebuild"
+        self.rebuildCSS = False
 
     def retranslateUi(self):
         """

openlp/core/ui/settingsform.py

@@ -58,7 +58,7 @@ class SettingsForm(QtGui.QDialog, Ui_SettingsDialog):
         # load all the settings
         self.settingListWidget.clear()
         for tabIndex in range(0, self.stackedLayout.count() + 1):
-            # take at 0 and the rest shuffell up.
+            # take at 0 and the rest shuffle up.
             self.stackedLayout.takeAt(0)
         self.insertTab(self.generalTab, 0, PluginStatus.Active)
         self.insertTab(self.themesTab, 1, PluginStatus.Active)

openlp/plugins/alerts/lib/alertstab.py

@@ -27,7 +27,7 @@
 
 from PyQt4 import QtCore, QtGui
 
-from openlp.core.lib import SettingsTab, translate
+from openlp.core.lib import SettingsTab, translate, Receiver
 from openlp.core.lib.ui import UiStrings, create_valign_combo
 
 class AlertsTab(SettingsTab):
@@ -140,6 +140,7 @@ class AlertsTab(SettingsTab):
 
     def onTimeoutSpinBoxChanged(self):
         self.timeout = self.timeoutSpinBox.value()
+        self.changed = True
 
     def onFontSizeSpinBoxChanged(self):
         self.font_size = self.fontSizeSpinBox.value()
@@ -171,10 +172,15 @@ class AlertsTab(SettingsTab):
         font.setFamily(self.font_face)
         self.fontComboBox.setCurrentFont(font)
         self.updateDisplay()
+        self.changed = False
 
     def save(self):
         settings = QtCore.QSettings()
         settings.beginGroup(self.settingsSection)
+        # Check value has changed as no event handles this field
+        if settings.value(u'location', QtCore.QVariant(1)).toInt()[0] != \
+            self.verticalComboBox.currentIndex():
+            self.changed = True
         settings.setValue(u'background color', QtCore.QVariant(self.bg_color))
         settings.setValue(u'font color', QtCore.QVariant(self.font_color))
         settings.setValue(u'font size', QtCore.QVariant(self.font_size))
@@ -184,6 +190,9 @@ class AlertsTab(SettingsTab):
         self.location = self.verticalComboBox.currentIndex()
         settings.setValue(u'location', QtCore.QVariant(self.location))
         settings.endGroup()
+        if self.changed:
+             Receiver.send_message(u'alertTab_updated')
+        self.changed = False
 
     def updateDisplay(self):
         font = QtGui.QFont()
@@ -193,4 +202,5 @@ class AlertsTab(SettingsTab):
         self.fontPreview.setFont(font)
         self.fontPreview.setStyleSheet(u'background-color: %s; color: %s' %
             (self.bg_color, self.font_color))
+        self.changed = True