All three signals exist in two versions, one with a QString argument and one with an int argument. The highlighted() signal is emitted when the user highlights an item in the combobox popup list. currentIndexChanged() and currentTextChanged() are always emitted regardless if the change was done programmatically or by user interaction, while activated() is only emitted when the change is caused by user interaction. There are three signals emitted if the current item of a combobox changes, currentIndexChanged(), currentTextChanged() and activated(). For editable comboboxes, the function clearEditText() is provided, to clear the displayed string without changing the combobox's contents. A combobox may be editable, allowing the user to modify each item in the list.Д¬omboboxes can contain pixmaps as well as strings the insertItem() and setItemText() functions are suitably overloaded. SetValidator(const QValidator * validator)ДЄ QComboBox provides a means of presenting a list of options to the user in a way that takes up the minimum amount of screen space.ДЄ combobox is a selection widget that displays the current item, and can pop up a list of selectable items. SetSizeAdjustPolicy(QComboBox::SizeAdjustPolicy policy) SetRootModelIndex(const QModelIndex & index) SetPlaceholderText(const QString & placeholderText) SetItemText(int index, const QString & text)

SetItemIcon(int index, const QIcon & icon) SetItemDelegate(QAbstractItemDelegate * delegate) SetItemData(int index, const QVariant & value, int role = Qt::UserRole)

SetInsertPolicy(QComboBox::InsertPolicy policy) ItemData(int index, int role = Qt::UserRole) const InsertItems(int index, const QStringList & list) InsertItem(int index, const QIcon & icon, const QString & text, const QVariant & userData = QVariant()) InsertItem(int index, const QString & text, const QVariant & userData = QVariant()) AddItem(const QString & text, const QVariant & userData = QVariant())ДЄddItem(const QIcon & icon, const QString & text, const QVariant & userData = QVariant())Д¬urrentData(int role = Qt::UserRole) constДЇindData(const QVariant & data, int role = Qt::UserRole, Qt::MatchFlags flags = static_cast(Qt::MatchExactly|Qt::MatchCaseSensitive)) constДЇindText(const QString & text, Qt::MatchFlags flags = Qt::MatchExactly|Qt::MatchCaseSensitive) const

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