Use wait cursor when loading forms

Author: m-kuhn

src/gui/editorwidgets/qgsrelationreferencewidget.cpp

@@ -362,6 +362,7 @@ void QgsRelationReferenceWidget::init()
 {
   if ( !mReadOnlySelector && mComboBox->count() == 0 && mReferencedLayer )
   {
+    QApplication::setOverrideCursor( Qt::WaitCursor );
     if ( mAllowNull )
     {
       const QString nullValue = QSettings().value( "qgis/nullValue", "NULL" ).toString();
@@ -393,6 +394,7 @@ void QgsRelationReferenceWidget::init()
 
     // Only connect after iterating, to have only one iterator on the referenced table at once
     connect( mComboBox, SIGNAL( activated( int ) ), this, SLOT( comboReferenceChanged( int ) ) );
+    QApplication::restoreOverrideCursor();
   }
 }
 

src/gui/qgsattributeform.cpp

@@ -308,6 +308,7 @@ void QgsAttributeForm::synchronizeEnabledState()
 
 void QgsAttributeForm::init()
 {
+  QApplication::setOverrideCursor( QCursor( Qt::WaitCursor ) );
   QWidget* formWidget = 0;
 
   qDeleteAll( mWidgets );
@@ -458,6 +459,7 @@ void QgsAttributeForm::init()
   {
     iface->initForm();
   }
+  QApplication::restoreOverrideCursor();
 }
 
 void QgsAttributeForm::cleanPython()