--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/primitives/hbtoucharea.cpp	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,181 @@
+
+/****************************************************************************
+**
+** 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 "hbtoucharea.h"
+#include "hbtoucharea_p.h"
+
+#include <QStyleOptionGraphicsItem>
+#include <QGraphicsLayout>
+#include <QPainter>
+#include <hbmainwindow.h>
+#include <hbinstance.h>
+#include <qgraphicsscene.h>
+
+bool HbTouchAreaPrivate::outlinesEnabled = false;
+
+/*!
+ \class HbTouchArea
+ \brief HbTouchArea handles invisible touch area for widgets.
+ @beta
+ */
+
+HbTouchAreaPrivate::HbTouchAreaPrivate() : q_ptr(0)
+{
+}
+
+HbTouchAreaPrivate::~HbTouchAreaPrivate()
+{
+}
+
+bool HbTouchAreaPrivate::outlineDrawingEnabled()
+{
+    return HbTouchAreaPrivate::outlinesEnabled;
+}
+
+void HbTouchAreaPrivate::setOutlineDrawing(bool enabled)
+{
+    HbTouchAreaPrivate::outlinesEnabled = enabled;
+
+    // Because this method is static we need to toggle QGraphicsItem::ItemHasNoContents flag 
+    // value hard way. This is RnD feature anyway.
+    foreach (HbMainWindow *window, hbInstance->allMainWindows()) {
+        QGraphicsScene *scene = static_cast<QGraphicsScene*>(window->scene());
+        foreach( QGraphicsItem *item, scene->items() ) {
+            if (HbTouchArea *widget = qgraphicsitem_cast<HbTouchArea *>(item)) {
+                widget->setFlag(QGraphicsItem::ItemHasNoContents, !enabled);
+            }
+        }
+    }
+}
+
+/*!
+ Constructs a new HbTouchArea.
+ */
+HbTouchArea::HbTouchArea(QGraphicsItem *parent) :
+    HbWidgetBase(*new HbTouchAreaPrivate(), parent)
+{
+    Q_D(HbTouchArea);
+    d->q_ptr = this;
+    setFlag(QGraphicsItem::ItemHasNoContents, !HbTouchAreaPrivate::outlinesEnabled);
+}
+
+/*!
+ \internal
+ */
+HbTouchArea::HbTouchArea(HbTouchAreaPrivate &dd, QGraphicsItem *parent) :
+    HbWidgetBase(dd, parent)
+{
+    setFlag(QGraphicsItem::ItemHasNoContents, !HbTouchAreaPrivate::outlinesEnabled);
+}
+
+/*!
+ Destructs the graphics item.
+ */
+HbTouchArea::~HbTouchArea()
+{
+}
+
+/*!
+ Sets the size for the touch area. Without calling this method,
+ the touch area uses its default size.
+ This function needs to be called only when item
+ is not added in layout. If its added to layout then layout
+ will decide the position and size which will then be set
+ in setGeometry() function.
+
+ This is a convenience function for setGeometry(QRectF(pos(), size))
+ */
+void HbTouchArea::setSize(const QSizeF &size)
+{
+    setGeometry(QRectF(pos(), size));
+}
+
+/*!
+ Paints the graphics item. When used in a release environment this will do
+ nothing; when used internally AND the draw boxes flag is set (by calling 
+ HbTouchArea::setDrawBoxes(true), a translucent box will be drawn indicating
+ the active touch area.
+ \note Currently option and widget parameters are unused
+ \reimp
+ */
+void HbTouchArea::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    Q_UNUSED(widget)
+    Q_UNUSED(option)
+    
+    HbWidgetBase::paint(painter, option, widget);
+
+    // The paint method is called only if HbTouchAreaPrivate::outlinesEnabled is true (RnD feature)
+    // because flag QGraphicsItem::ItemHasNoContents is set otherwise.
+    if (HbTouchAreaPrivate::outlinesEnabled) {
+        painter->setPen(Qt::red);
+        painter->drawLine(contentsRect().topLeft(), contentsRect().bottomRight());
+        painter->drawLine(contentsRect().topRight(), contentsRect().bottomLeft()); 
+        painter->setBrush(QBrush(QColor(255, 0, 0, 50)));
+        painter->drawRect(contentsRect());
+    }
+}
+
+/*!
+    Virtual function from QGraphicsLayoutItem.
+    Sets the new position and size of HbTouchArea.
+ */
+void HbTouchArea::setGeometry(const QRectF &rect)
+{
+    HbWidgetBase::setGeometry(rect);
+}
+
+/*!
+ Virtual function from QGraphicsLayoutItem.
+ */
+void HbTouchArea::updateGeometry()
+{
+    // call the base class updateGeometry
+    HbWidgetBase::updateGeometry();
+}
+
+/*!
+ Virtual function from QGraphicsLayoutItem.
+ Returns the size based upon the size hint(minimum, maximum and preferred) passed.
+ The minimum size is QSizeF(0, 0);
+ The maximum size is QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+ The preferred size is defaultSize() of the image.
+ */
+QSizeF HbTouchArea::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+    Q_UNUSED(constraint);
+    if (which == Qt::MinimumSize) {
+        return QSizeF(0, 0);
+    } else if (which == Qt::MaximumSize) {
+        return QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+    } else {
+        // Touch area should not enforce a size
+		return QSizeF(0, 0);
+    }
+}
+
+
+// end of file