keep text cursor position on stringfield

effects/fields/stringfield.cpp

@@ -41,9 +41,13 @@ void StringField::UpdateWidgetValue(QWidget *widget, double timecode)
 
   text->blockSignals(true);
 
-  QTextCursor cursor = text->textCursor();
+  int pos = text->textCursor().position();
+
   text->setHtml(GetValueAt(timecode).toString());
-  text->setTextCursor(cursor);
+
+  QTextCursor new_cursor(text->document());
+  new_cursor.setPosition(pos);
+  text->setTextCursor(new_cursor);
 
   text->blockSignals(false);
 }

effects/internal/texteffect.cpp

@@ -123,6 +123,7 @@ TextEffect::TextEffect(Clip* c, const EffectMeta* em) :
 
   size_val->SetDefault(48);
   text_val->SetValueAt(0, tr("Sample Text"));
+  set_color_button->SetValueAt(0, QColor(Qt::white));
   halign_field->SetValueAt(0, Qt::AlignHCenter);
   valign_field->SetValueAt(0, Qt::AlignVCenter);
   word_wrap_field->SetValueAt(0, true);