Hi
im trying to find out why i can’t see QTextEdit in item delegate , in my application so i remembered there is simple example in the examples
i did put simple QTextEdit in the sample code and it also didn’t show the QTextEdit why ? what im doing wrong
here is the modified code:

Qt Code: 
  1. QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
  2.         const QStyleOptionViewItem &/* option */,
  3.         const QModelIndex &/* index */) const
  4.     {
  5.         //QSpinBox *editor = new QSpinBox(parent);
  6.         //editor->setMinimum(0);
  7.         //editor->setMaximum(100);
  8.      QTextEdit *editor = new QTextEdit(parent);
  9.         //editor->setGeometry(QRect(40, 30, 401, 31));
  10.         editor->setLayoutDirection(Qt::LeftToRight);
  11.      editor->setLocale(QLocale(QLocale::English, QLocale::UnitedStates));
  12.         editor->setFrameShape(QFrame::WinPanel);
  13.      editor->setLineWidth(0);
  14.         editor->setReadOnly(true);
  15.         editor->setText("This is text test!!1");
  16.         return editor;
  17.     }
  18.     //! [1]
  19.  
  20.     //! [2]
  21.     void SpinBoxDelegate::setEditorData(QWidget *editor,
  22.                                         const QModelIndex &index) const
  23.     {
  24.        /* int value = index.model()->data(index, Qt::EditRole).toInt();
  25.      
  26.         QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
  27.         spinBox->setValue(value);*/
  28.      QTextEdit *textEdit = static_cast<QTextEdit*>(editor);
  29.         textEdit->setText("This is text test!!1");
  30.  
  31.  
  32.     }
  33.     //! [2]
  34.  
  35.     //! [3]
  36.     void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
  37.                                        const QModelIndex &index) const
  38.     {
  39.         /*QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
  40.         spinBox->interpretText();
  41.         int value = spinBox->value();
  42.      
  43.         model->setData(index, value, Qt::EditRole);*/
  44.  
  45.      QTextEdit *textEdit = static_cast<QTextEdit*>(editor);
  46.     }
  47.     //! [3]
  48.  
  49.     //! [4]
  50.     void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
  51.         const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
  52.     {
  53.         editor->setGeometry(option.rect);
  54.     }
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