demos/embedded/anomaly/src/TitleBar.cpp
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     1 /****************************************************************************
       
     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 demos 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
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    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.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "TitleBar.h"
       
    43 
       
    44 #include <QtCore>
       
    45 #include <QtGui>
       
    46 
       
    47 TitleBar::TitleBar(QWidget *parent)
       
    48     : QWidget(parent)
       
    49     , m_progress(0)
       
    50 {
       
    51     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
       
    52 }
       
    53 
       
    54 void TitleBar::setHost(const QString &host)
       
    55 {
       
    56     m_host = host;
       
    57     update();
       
    58 }
       
    59 
       
    60 void TitleBar::setTitle(const QString &title)
       
    61 {
       
    62     m_title = title;
       
    63     update();
       
    64 }
       
    65 
       
    66 void TitleBar::setProgress(int percent)
       
    67 {
       
    68     m_progress = percent;
       
    69     update();
       
    70 }
       
    71 
       
    72 QSize TitleBar::sizeHint() const
       
    73 {
       
    74     return minimumSizeHint();
       
    75 }
       
    76 
       
    77 QSize TitleBar::minimumSizeHint() const
       
    78 {
       
    79     QFontMetrics fm = fontMetrics();
       
    80     return QSize(100, fm.height());
       
    81 }
       
    82 
       
    83 void TitleBar::paintEvent(QPaintEvent *event)
       
    84 {
       
    85     QString title = m_host;
       
    86     if (!m_title.isEmpty())
       
    87         title.append(": ").append(m_title);
       
    88 
       
    89     QPalette pal = palette();
       
    90     QPainter p(this);
       
    91     p.fillRect(event->rect(), pal.color(QPalette::Highlight));
       
    92 
       
    93     if (m_progress > 0) {
       
    94 
       
    95         QRect box = rect();
       
    96         box.setLeft(16);
       
    97         box.setWidth(width() - box.left() - 110);
       
    98 
       
    99         p.setPen(pal.color(QPalette::HighlightedText));
       
   100         p.setOpacity(0.8);
       
   101         p.drawText(box, Qt::AlignLeft + Qt::AlignVCenter, title);
       
   102 
       
   103         int x = width() - 100 - 5;
       
   104         int y = 1;
       
   105         int h = height() - 4;
       
   106 
       
   107         p.setOpacity(1.0);
       
   108         p.setBrush(Qt::NoBrush);
       
   109         p.setPen(pal.color(QPalette::HighlightedText));
       
   110         p.drawRect(x, y, 100, h);
       
   111         p.setPen(Qt::NoPen);
       
   112         p.setBrush(pal.color(QPalette::HighlightedText));
       
   113         p.drawRect(x, y, m_progress, h);
       
   114     } else {
       
   115 
       
   116         QRect box = rect();
       
   117         box.setLeft(16);
       
   118         box.setWidth(width() - box.left() - 5);
       
   119         p.setPen(pal.color(QPalette::HighlightedText));
       
   120         p.drawText(box, Qt::AlignLeft + Qt::AlignVCenter, title);
       
   121     }
       
   122 
       
   123     p.end();
       
   124 }