add icon button example

examples/iconbuttonexamples.cpp

@@ -1,4 +1,5 @@
 #include <QLayout>
+#include <QEvent>
 #include "iconbuttonexamples.h"
 #include "components/iconbutton.h"
 #include "exampleview.h"
@@ -21,6 +22,10 @@ IconButtonExamples::IconButtonExamples(QWidget *parent)
         );
         frame->setWidget(view);
 
+        iconButton->setParent(view->parentWidget());
+        iconButton->setGeometryWidget(view);
+        iconButton->setMinimumSize(50, 50);
+
         layout->addWidget(frame);
     }
 }