Wt 3.3.9 WItemDelegate that creates a WComboBox with setNoSelectionEnabled(true) in virtual createEditor
Added by robs j about 6 years ago
I have a derived WItemDelegate that creates a WComboBox in a WContainerWidget
Wt::WWidget* MyDelegate::createEditor(const Wt::WModelIndex &index,
Wt::WFlagsWt::ViewItemRenderFlag flags) const
{
auto container = new Wt::WContainerWidget();
auto combo = new Wt::WComboBox(container);
combo->setNoSelectionEnabled(true);
combo->setModel(items_);
combo->changed().connect(boost::bind(&MyDelegate::doCloseEditor, this, container, true));
combo->enterPressed().connect(boost::bind(&MyDelegate::doCloseEditor, this, container, true));
combo->escapePressed().connect(boost::bind(&MyDelegate::doCloseEditor, this, container, false));
}
The delegate is used in a derived WAbstractTableModel via setItemDelegateForColumn()
I am able to choose one of the items but since I added "combo->setNoSelectionEnabled(true);" I have problems with closing the created widget.
I have searched and found https://redmine.emweb.be/issues/5145. But the order does not solve my issue.
Does anyone has a suggestion what is wrong with my code?
Thank you very much for your help.
Replies (3)
RE: Wt 3.3.9 WItemDelegate that creates a WComboBox with setNoSelectionEnabled(true) in virtual createEditor - Added by lm at about 6 years ago
I haven't done anything like this, so a minimum working example would be necessary. Maybe someone else on this forum can help though.
RE: Wt 3.3.9 WItemDelegate that creates a WComboBox with setNoSelectionEnabled(true) in virtual createEditor - Added by robs j about 6 years ago
For further details of the implementation see the example in wt widgetgallery ComboDelegateTable.cpp.
Just add the line
combo->setNoSelectionEnabled(true);
to the protected method
virtual Wt::WWidget* createEditor(const Wt::WModelIndex &index,
Wt::WFlagsWt::ViewItemRenderFlag flags) const
RE: Wt 3.3.9 WItemDelegate that creates a WComboBox with setNoSelectionEnabled(true) in virtual createEditor - Added by Roel Standaert about 6 years ago
It seems to work fine in Wt 3.3.10 RC 1. Maybe it's been fixed, not sure. Can you check?