Initial commit (project based on widgets)

hoverablecombobox.h

@@ -0,0 +1,35 @@
+#ifndef HOVERABLECOMBOBOX_H
+#define HOVERABLECOMBOBOX_H
+
+#include <QObject>
+#include <QWidget>
+#include <QComboBox>
+
+class HoverableComboBox : public QComboBox
+{
+    Q_OBJECT
+public:
+    HoverableComboBox(QWidget *parent = nullptr);
+    ~HoverableComboBox() override;
+
+protected:
+    void hidePopup() override
+    {
+       QComboBox::hidePopup();
+       emit closed();
+    }
+
+    void showPopup() override
+    {
+       QComboBox::showPopup();
+       emit opened();
+    }
+
+signals:
+   void opened();
+   void closed();
+};
+
+//HoverableComboBox(QObject *parent) : QComboBox (parent) { }
+
+#endif // HOVERABLECOMBOBOX_H