+ if (model()->rowCount() == 0)
+ return QSize(120, 50);
+
+ int columnSize = 0;
+ for (int i = 0; i < model()->columnCount(); i++) {
+ if (!isColumnHidden(i))
+ columnSize += sizeHintForColumn(i);
+ }
+ return QSize(columnSize, 50);
+}
+
+
+// ****************************************
+// BufferViewDelgate
+// ****************************************
+class ColorsChangedEvent : public QEvent
+{
+public:
+ ColorsChangedEvent() : QEvent(QEvent::User) {};
+};
+
+
+BufferViewDelegate::BufferViewDelegate(QObject *parent)
+ : QStyledItemDelegate(parent)
+{
+}
+
+
+void BufferViewDelegate::customEvent(QEvent *event)
+{
+ if (event->type() != QEvent::User)
+ return;
+
+ event->accept();
+}
+
+
+bool BufferViewDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
+{
+ if (event->type() != QEvent::MouseButtonRelease)
+ return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+ if (!(model->flags(index) & Qt::ItemIsUserCheckable))
+ return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+ QVariant value = index.data(Qt::CheckStateRole);
+ if (!value.isValid())
+ return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+ QStyleOptionViewItemV4 viewOpt(option);
+ initStyleOption(&viewOpt, index);
+
+ QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
+ QMouseEvent *me = static_cast<QMouseEvent *>(event);
+
+ if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
+ return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+ Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
+ if (state == Qt::Unchecked)
+ state = Qt::PartiallyChecked;
+ else if (state == Qt::PartiallyChecked)
+ state = Qt::Checked;
+ else
+ state = Qt::Unchecked;
+ model->setData(index, state, Qt::CheckStateRole);
+ return true;