//The popup menu of the combobox does not open.
//The application crashes if I try to delete the close the editor and delete the combobox.
QMyComboBox::mousePressEvent()
QMyComboBox::showPopup() - before lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ZOrderChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::PlatformSurface
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::WinIdChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::WindowIconChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Move
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Resize
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ZOrderChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Show
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::CursorChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::MouseButtonRelease
[Qt Debug] [default] QMyComboBox::eventFilter: QEvent::MouseButtonRelease
QMyComboBox::hidePopup() - before lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Hide
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::HideToParent
QMyComboBox::hidePopup() - after lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ShowToParent
QMyComboBox::showPopup() - after lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::UpdateLater



//The popup menu opens normally and everything is fine.
QMesuComboBox::mousePressEvent()
QMyComboBox::showPopup() - before lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ZOrderChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::PlatformSurface
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::WinIdChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::WindowIconChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Move
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Resize
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ZOrderChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Show
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::CursorChange
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::ShowToParent
QMyComboBox::showPopup() - after lib code
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Paint
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::UpdateLater
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::UpdateRequest
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Paint
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::MouseButtonRelease
[Qt Debug] [default] QMyComboBox::eventFilter: QEvent::MouseButtonRelease
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::Enter
[Qt Debug] [default] QMyComboBox::eventFilter: Popup (view()->window()): QEvent::UpdateRequest