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cmusicviewitemdelegate.cpp

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+#include "cmusicviewitemdelegate.h"
+
+#include <QPainter>
+#include <QTextDocument>
+#include <QAbstractTextDocumentLayout>
+#include <QAbstractItemModel>
+#include <QStandardItemModel>
+#include <QTreeView>
+
+
+void cMusicViewItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem & option, const QModelIndex &index) const
+{
+	QStyleOptionViewItem options = option;
+	initStyleOption(&options, index);
+
+	int			iLevel		= 0;
+	QModelIndex	index1		= index;
+
+	while(index1.parent().isValid())
+	{
+		iLevel++;
+		index1	= index1.parent();
+	}
+
+	QTreeView*	lpTreeView	= (QTreeView*)parent();
+	int			indentation	= 20;
+	if(lpTreeView)
+		indentation	= lpTreeView->indentation();
+
+	indentation	*= iLevel;
+
+	painter->save();
+
+	QTextDocument doc;
+
+	doc.setHtml(QString("%1").arg(options.text));
+
+	options.text = "";
+	options.widget->style()->drawControl(QStyle::CE_ItemViewItem, &options, painter);
+
+	QRect	clip;
+
+	// shift text right to make icon visible
+	if(index.column() == 1)
+	{
+		painter->translate(options.rect.left()+indentation, options.rect.top());
+		clip	= QRect(0, 0, options.rect.width()+indentation, options.rect.height());
+	}
+	else
+	{
+		painter->translate(options.rect.left(), options.rect.top());
+		clip	= QRect(0, 0, options.rect.width(), options.rect.height());
+	}
+
+	painter->setClipRect(clip);
+
+	QAbstractTextDocumentLayout::PaintContext ctx;
+
+	ctx.clip = clip;
+	doc.documentLayout()->draw(painter, ctx);
+
+	painter->restore();
+}
+
+QSize cMusicViewItemDelegate::sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const
+{
+	QStyleOptionViewItem options = option;
+	initStyleOption(&options, index);
+
+	QTextDocument doc;
+	doc.setHtml(options.text);
+	doc.setTextWidth(options.rect.width());
+	return QSize(doc.idealWidth(), doc.size().height());
+}