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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the tools applications of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "previewframe.h"

    43 

    44 #include <QBoxLayout>

    45 #include <QPainter>

    46 #include <QMdiSubWindow>

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 PreviewFrame::PreviewFrame( QWidget *parent, const char *name )

    51     : QFrame( parent, name )

    52 {

    53     setMinimumSize(200, 200);

    54     setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);

    55     setLineWidth(1);

    56 

    57     QVBoxLayout *vbox = new QVBoxLayout(this);

    58     vbox->setMargin(0);

    59     previewWidget = new PreviewWidget;

    60     workspace = new Workspace(this);

    61     vbox->addWidget(workspace);

    62     previewWidget->setAutoFillBackground(true);

    63 }

    64 

    65 void PreviewFrame::setPreviewPalette(QPalette pal)

    66 {

    67     previewWidget->setPalette(pal);

    68 }

    69 

    70 QString PreviewFrame::previewText() const

    71 {

    72     return m_previewWindowText;

    73 }

    74 

    75 void PreviewFrame::setPreviewVisible(bool visible)

    76 {

    77     previewWidget->parentWidget()->setVisible(visible);

    78     if (visible)

    79         m_previewWindowText = QLatin1String("The moose in the noose\nate the goose who was loose.");

    80     else

    81         m_previewWindowText = tr("Desktop settings will only take effect after an application restart.");

    82     workspace->viewport()->update();

    83 }

    84 

    85 Workspace::Workspace(PreviewFrame* parent, const char* name)

    86     : QMdiArea(parent)

    87 {

    88     previewFrame = parent;

    89     PreviewWidget *previewWidget = previewFrame->widget();

    90     setObjectName(QLatin1String(name));

    91     QMdiSubWindow *frame = addSubWindow(previewWidget, Qt::Window);

    92     frame->move(10,10);

    93     frame->show();

    94 }

    95 

    96 void Workspace::paintEvent( QPaintEvent* )

    97 {

    98     QPainter p (viewport());

    99     p.fillRect(rect(), palette().color(backgroundRole()).dark());

   100     p.setPen( QPen( Qt::white ) );

   101     p.drawText ( 0, height() / 2,  width(), height(), Qt::AlignHCenter, previewFrame->previewText());

   102 }

   103 

   104 QT_END_NAMESPACE