QStyledItemDelegate display not correctly with Qt5.11.2

[cfdev]

Hi everybody,
I have an display trouble with Qt5.11.2 with QStyledItemDelegate on QTableWidget,
the width of combobox take the width of content.

Display correctly with Qt5.9.6, Someone has the same problem?

[VRonin]

@cfdev said in QStyledItemDelegate display not correctly with Qt5.11.2:

the width of combobox

QStyledItemDelegate shows a combobox only for boolean data by default so I suspect you are subclassing it. could you show us your code?

[cfdev]

@VRonin yes

/**
 * @brief The itemComboStyle class
 */
class itemComboStyle : public QStyledItemDelegate
{
   Q_OBJECT
private:
	QStringList m_list;


public:
   itemComboStyle(QStringList list, QObject *parent ) : QStyledItemDelegate(parent) {
		m_list = list;
   }

	// Editor on click
   QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& style, const QModelIndex& index) const {
	   Q_UNUSED(style);Q_UNUSED(index);
	   // Combobox create
	   QComboBox* cbox = new QComboBox(parent);
	   // Add stringsList
	   cbox->addItems(m_list);
	   // Set current text
	   cbox->setCurrentText( index.data().toString() );

	   return cbox;
   }
};

[VRonin]

You are missing 3 methods to reimplement: setModelData, setEditorData and the one that takes care of the visual bug you are having, updateEditorGeometry

QStringList m_list;

It's probably more efficient to use QStringListModel m_list and replace cbox->addItems(m_list); with cbox->setModel(m_list);

cbox->setCurrentText( index.data().toString() );

This should not be part of createEditor, this goes into setEditorData