src/hbcore/decorators/hbindicatorleveliconitem.cpp
changeset 0 16d8024aca5e
child 23 e6ad4ef83b23
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/decorators/hbindicatorleveliconitem.cpp	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#include "hbindicatorleveliconitem_p.h"
+#include <QPainter>
+
+HbIndicatorLevelIconItem::HbIndicatorLevelIconItem(QGraphicsItem *parent) :
+    HbIconItem(parent),
+    mValue(0),
+    mIndicatorDirection(LeftToRight)
+{
+}
+void HbIndicatorLevelIconItem::setValue(int val)
+{
+    mValue = val;
+}
+
+void HbIndicatorLevelIconItem::setDirection(IndicatorDirection direction)
+{
+    mIndicatorDirection = direction;
+}
+
+void HbIndicatorLevelIconItem::paint(QPainter *painter,
+                                     const QStyleOptionGraphicsItem *option,
+                                     QWidget *widget)
+{
+	Q_UNUSED(widget);
+
+    QRectF iconRect(boundingRect());
+    
+    // we save (& restore) the painter state here, so that we can enable the 
+    // QGraphicsView::DontSavePainterState flag by default in the Orbit project
+    painter->save();
+    
+    // solve clipping rect according to level value
+    qreal clipWidth = iconRect.width();
+    if (mValue >= 0 && mValue <= 100) {
+        clipWidth = ((qreal)mValue / 100) * clipWidth;
+    }
+
+    if ((mIndicatorDirection == LeftToRight && layoutDirection() == Qt::LeftToRight) || 
+         (mIndicatorDirection == RightToLeft && layoutDirection() == Qt::RightToLeft)) {
+        QRectF clipRect(iconRect.left(), iconRect.top(),
+                        clipWidth, iconRect.height());
+        painter->setClipRect(clipRect);
+    } else { // RightToLeft
+        QRectF clipRect(iconRect.right() - clipWidth, iconRect.top(),
+                        clipWidth, iconRect.height());
+        painter->setClipRect(clipRect);
+    }
+
+    HbIconItem::paint(painter, option);
+    painter->restore();
+}
+