1 files changed, 100 insertions, 0 deletions
diff --git a/src/kitemcategorizer.cpp b/src/kitemcategorizer.cpp
new file mode 100644
index 000000000..93969c3a8
--- /dev/null
+++ b/src/kitemcategorizer.cpp
@@ -0,0 +1,100 @@
+/**
+  * This file is part of the KDE project
+  * Copyright (C) 2007 Rafael Fernández López <[email protected]>
+  *
+  * This library is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU Library General Public
+  * License as published by the Free Software Foundation; either
+  * version 2 of the License, or (at your option) any later version.
+  *
+  * This library is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  * Library General Public License for more details.
+  *
+  * You should have received a copy of the GNU Library General Public License
+  * along with this library; see the file COPYING.LIB.  If not, write to
+  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  * Boston, MA 02110-1301, USA.
+  */
+
+#include "kitemcategorizer.h"
+
+#include <QPainter>
+#include <QStyleOption>
+
+KItemCategorizer::KItemCategorizer()
+{
+}
+
+KItemCategorizer::~KItemCategorizer()
+{
+}
+
+void KItemCategorizer::drawCategory(const QModelIndex &index,
+                                    int sortRole,
+                                    const QStyleOption &option,
+                                    QPainter *painter) const
+{
+    const QString category = categoryForItem(index, sortRole);
+
+    QColor color = option.palette.color(QPalette::Text);
+
+    painter->save();
+    painter->setRenderHint(QPainter::Antialiasing);
+
+    QStyleOptionButton opt;
+
+    opt.rect = option.rect;
+    opt.palette = option.palette;
+    opt.direction = option.direction;
+    opt.text = category;
+
+    if (option.state & QStyle::State_MouseOver)
+    {
+        const QPalette::ColorGroup group =
+                                          option.state & QStyle::State_Enabled ?
+                                          QPalette::Normal : QPalette::Disabled;
+
+        QLinearGradient gradient(option.rect.topLeft(),
+                                 option.rect.bottomRight());
+        gradient.setColorAt(0,
+                            option.palette.color(group,
+                                                 QPalette::Highlight).light());
+        gradient.setColorAt(1, Qt::transparent);
+
+        painter->fillRect(option.rect, gradient);
+    }
+
+    QFont painterFont = painter->font();
+    painterFont.setWeight(QFont::Bold);
+    painterFont.setPointSize(painterFont.pointSize() + 2);
+    QFontMetrics metrics(painterFont);
+    painter->setFont(painterFont);
+
+    QPainterPath path;
+    path.addRect(option.rect.left(),
+                 option.rect.bottom() - 2,
+                 option.rect.width(),
+                 2);
+
+    QLinearGradient gradient(option.rect.topLeft(),
+                             option.rect.bottomRight());
+    gradient.setColorAt(0, color);
+    gradient.setColorAt(1, Qt::transparent);
+
+    painter->setBrush(gradient);
+    painter->fillPath(path, gradient);
+
+    painter->setPen(color);
+
+    painter->drawText(option.rect, Qt::AlignVCenter | Qt::AlignLeft,
+    metrics.elidedText(category, Qt::ElideRight, option.rect.width()));
+
+    painter->restore();
+}
+
+int KItemCategorizer::categoryHeight(const QStyleOption &option) const
+{
+    return option.fontMetrics.height() + 6 /* 4 separator; 2 gradient */;
+}