- if (optionWidget!=NULL) {
- if (toolWidget!=NULL) {
- delete toolWidget;
- toolWidget = NULL;
- }
- if (on==true && toolWidget==NULL) {
- toolWidget = new SplineOptions(optionWidget);
- toolWidget->setAction(action, update);
- }
+ if (!optionWidget)
+ return;
+
+ if (toolWidget)
+ {
+ delete toolWidget;
+ toolWidget = NULL;
+ }
+
+ if (on)
+ {
+ toolWidget = new SplineOptions(optionWidget);
+ toolWidget->setAction(action, update);