Add a Busy Cursor

bzr-revno: 1181

openlp.pyw

@@ -162,6 +162,10 @@ class OpenLP(QtGui.QApplication):
         #provide a listener for widgets to reqest a screen update.
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'openlp_process_events'), self.processEvents)
+        QtCore.QObject.connect(Receiver.get_receiver(),
+            QtCore.SIGNAL(u'cursor_busy'), self.setBusyCursor)
+        QtCore.QObject.connect(Receiver.get_receiver(),
+            QtCore.SIGNAL(u'cursor_normal'), self.setNormalCursor)
         self.setOrganizationName(u'OpenLP')
         self.setOrganizationDomain(u'openlp.org')
         self.setApplicationName(u'OpenLP')
@@ -201,8 +205,21 @@ class OpenLP(QtGui.QApplication):
             self.exceptionForm = ExceptionForm(self.mainWindow)
         self.exceptionForm.exceptionTextEdit.setPlainText(
             ''.join(format_exception(exctype, value, traceback)))
+        self.setNormalCursor()
         self.exceptionForm.exec_()
 
+    def setBusyCursor(self):
+        """
+        Sets the Busy Cursor for the Application
+        """
+        self.setOverrideCursor(QtCore.Qt.BusyCursor)
+
+    def setNormalCursor(self):
+        """
+        Sets the Normal Cursor forthe Application
+        """
+        self.restoreOverrideCursor()
+
 def main():
     """
     The main function which parses command line options and then runs
@@ -264,4 +281,4 @@ if __name__ == u'__main__':
     """
     Instantiate and run the application.
     """
-    main()
+    main()

openlp/core/lib/eventreceiver.py

@@ -220,6 +220,21 @@ class EventReceiver(QtCore.QObject):
         Waits for openlp to do something "interesting" and sends a
         remotes_poll_response signal when it does
 
+    ``openlp_critical_message``
+        Displays a standalong Critical Message
+
+    ``openlp_error_message``
+        Displays a standalong Error Message
+
+    ``openlp_information_message``
+        Displays a standalong Information Message
+
+    ``cursor_busy``
+        Makes the cursor got to a busy form
+
+    ``cursor_normal``
+        Resets the cursor to default
+
     """
     def __init__(self):
         """

openlp/core/lib/mediamanageritem.py

@@ -349,11 +349,13 @@ class MediaManagerItem(QtGui.QWidget):
             self.OnNewFileMasks)
         log.info(u'New files(s) %s', unicode(files))
         if files:
+            Receiver.send_message(u'cursor_busy')
             self.loadList(files)
             lastDir = os.path.split(unicode(files[0]))[0]
             SettingsManager.set_last_dir(self.settingsSection, lastDir)
             SettingsManager.set_list(self.settingsSection,
                 self.settingsSection, self.getFileList())
+        Receiver.send_message(u'cursor_normal')
 
     def getFileList(self):
         """

openlp/core/ui/mainwindow.py

@@ -612,6 +612,7 @@ class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
             QtCore.SIGNAL(u'config_screen_changed'), self.screenChanged)
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'maindisplay_status_text'), self.showStatusMessage)
+        Receiver.send_message(u'cursor_busy')
         # Simple message boxes
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'openlp_error_message'), self.onErrorMessage)
@@ -667,6 +668,7 @@ class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
             if savedPlugin != -1:
                 self.MediaToolBox.setCurrentIndex(savedPlugin)
         self.settingsForm.postSetUp()
+        Receiver.send_message(u'cursor_normal')
 
     def setAutoLanguage(self, value):
         self.LanguageGroup.setDisabled(value)

openlp/core/ui/servicemanager.py

@@ -895,6 +895,7 @@ class ServiceManager(QtGui.QWidget):
         Rebuild the service list as things have changed and a
         repaint is the easiest way to do this.
         """
+        Receiver.send_message(u'cursor_busy')
         log.debug(u'regenerateServiceItems')
         # force reset of renderer as theme data has changed
         self.parent.renderManager.themedata = None
@@ -909,6 +910,7 @@ class ServiceManager(QtGui.QWidget):
             # Set to False as items may have changed rendering
             # does not impact the saved song so True may also be valid
             self.setModified(True)
+        Receiver.send_message(u'cursor_normal')
 
     def serviceItemUpdate(self, message):
         """

openlp/plugins/images/lib/mediaitem.py

@@ -139,8 +139,6 @@ class ImageMediaItem(MediaManagerItem):
                 self.settingsSection, self.getFileList())
 
     def loadList(self, list):
-        self.listView.setCursor(QtCore.Qt.BusyCursor)
-        Receiver.send_message(u'openlp_process_events')
         for file in list:
             filename = os.path.split(unicode(file))[1]
             thumb = os.path.join(self.servicePath, filename)
@@ -155,8 +153,6 @@ class ImageMediaItem(MediaManagerItem):
             item_name.setIcon(icon)
             item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
             self.listView.addItem(item_name)
-        self.listView.setCursor(QtCore.Qt.ArrowCursor)
-        Receiver.send_message(u'openlp_process_events')
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False):
         items = self.listView.selectedIndexes()