File indexing completed on 2024-12-22 03:46:48

 /*
   This file is part of the KTextTemplate library
 
   SPDX-FileCopyrightText: 2010 Stephen Kelly <steveire@gmail.com>
 
   SPDX-License-Identifier: LGPL-2.1-or-later
 
 */
 
 #include "comboboxdelegate.h"
 #include "comboboxdelegate_p.h"
 
 #include <QApplication>
 #include <QDebug>
 
 ComboBoxEditorCreator::ComboBoxEditorCreator(const QStringList &data, ComboBoxDelegate::Type type)
     : QItemEditorCreatorBase()
     , m_data(data)
     , m_type(type)
 {
 }
 
 ComboBoxEditorCreator::~ComboBoxEditorCreator()
 {
 }
 
 QWidget *ComboBoxEditorCreator::createWidget(QWidget *parent) const
 {
     ViewComboBox *vcb = new ViewComboBox(parent);
     vcb->addItems(m_data);
 
     if (m_type == ComboBoxDelegate::Editable)
         vcb->setEditable(true);
 
     return vcb;
 }
 
 QByteArray ComboBoxEditorCreator::valuePropertyName() const
 {
     return QByteArray("choice");
 }
 
 ViewComboBox::ViewComboBox(QWidget *parent)
     : QComboBox(parent)
 {
 }
 
 QString ViewComboBox::choice() const
 {
     return currentText();
 }
 
 void ViewComboBox::setChoice(const QString &choice)
 {
     const int index = findData(choice, Qt::DisplayRole, Qt::MatchFixedString);
     if (index >= 0)
         setCurrentIndex(index);
     else
         setEditText(choice);
 }
 
 ComboBoxDelegate::ComboBoxDelegate(const QStringList &data, Type type, QObject *parent)
     : QItemDelegate(parent)
 {
     QItemEditorFactory *factory = new QItemEditorFactory;
     QItemEditorCreatorBase *creator = new ComboBoxEditorCreator(data, type);
     factory->registerEditor(QMetaType::QString, creator);
 
     setItemEditorFactory(factory);
 }
 
 QWidget *ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     QWidget *w = QItemDelegate::createEditor(parent, option, index);
     ViewComboBox *viewComboBox = qobject_cast<ViewComboBox *>(w);
     Q_ASSERT(viewComboBox);
     return viewComboBox;
 }
 
 static QSize textSize(const QFont &font, const QString &text)
 {
     QFontMetrics fm(font);
     QSize size = fm.size(Qt::TextSingleLine, text);
     const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin) + 1;
     return QSize(size.width() + 2 * textMargin, size.height());
 }
 
 QSize ComboBoxDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     if (m_sizes.contains(index.row())) {
         return m_sizes.value(index.row());
     }
     QSize sz;
     QVariant fontData = index.data(Qt::FontRole);
     QFont fnt = qvariant_cast<QFont>(fontData).resolve(option.font);
     for (int i = 0; i < sizeof sTypes / sizeof *sTypes; ++i) {
         QString text = *(sTypes + i);
         QSize s = textSize(fnt, text);
         sz = sz.expandedTo(s);
     }
 
     QStyleOptionComboBox opt;
     opt.editable = true;
     opt.frame = true;
     opt.currentText = index.data().toString();
 
     sz = qApp->style()->sizeFromContents(QStyle::CT_ComboBox, &opt, sz);
     m_sizes.insert(index.row(), sz);
 
     return sz;
 }
 
 #include "moc_comboboxdelegate.cpp"
 #include "moc_comboboxdelegate_p.cpp"