demos/qtdemo/dockitem.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/qtdemo/dockitem.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "dockitem.h"
+#include "colors.h"
+
+DockItem::DockItem(ORIENTATION orien, qreal x, qreal y, qreal width, qreal length, QGraphicsScene *scene, QGraphicsItem *parent)
+    : DemoItem(scene, parent)
+{
+    this->orientation = orien;
+    this->width = width;
+    this->length = length;
+    this->setPos(x, y);
+    this->setZValue(40);
+    this->setupPixmap();
+}
+
+void DockItem::setupPixmap()
+{
+    this->pixmap = new QPixmap(int(this->boundingRect().width()), int(this->boundingRect().height()));
+    this->pixmap->fill(QColor(0, 0, 0, 0));
+    QPainter painter(this->pixmap);
+    // create brush:
+    QColor background = Colors::sceneBg1;
+    QLinearGradient brush(0, 0, 0, this->boundingRect().height());
+    brush.setSpread(QGradient::PadSpread);
+
+    if (this->orientation == DOWN){
+        brush.setColorAt(0.0, background);
+        brush.setColorAt(0.2, background);
+        background.setAlpha(0);
+        brush.setColorAt(1.0, background);
+    }
+    else
+        if (this->orientation == UP){
+        brush.setColorAt(1.0, background);
+        brush.setColorAt(0.8, background);
+        background.setAlpha(0);
+        brush.setColorAt(0.0, background);
+    }
+    else
+        qWarning("DockItem doesn't support the orientation given!");
+
+    painter.fillRect(0, 0, int(this->boundingRect().width()), int(this->boundingRect().height()), brush);
+
+}
+
+DockItem::~DockItem()
+{
+    delete this->pixmap;
+}
+
+QRectF DockItem::boundingRect() const
+{
+    if (this->orientation == UP || this->orientation == DOWN)
+        return QRectF(0, 0, this->length, this->width);
+    else
+        return QRectF(0, 0, this->width, this->length);
+}
+
+void DockItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+
+    painter->drawPixmap(0, 0, *this->pixmap);
+}
+
+
+