1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 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 "ControlStrip.h"

    43 

    44 #include <QtCore>

    45 #include <QtGui>

    46 

    47 ControlStrip::ControlStrip(QWidget *parent)

    48     : QWidget(parent)

    49 {

    50     menuPixmap.load(":/images/edit-find.png");

    51     backPixmap.load(":/images/go-previous.png");

    52     forwardPixmap.load(":/images/go-next.png");

    53     closePixmap.load(":/images/button-close.png");

    54 }

    55 

    56 QSize ControlStrip::sizeHint() const

    57 {

    58     return minimumSizeHint();

    59 }

    60 

    61 QSize ControlStrip::minimumSizeHint() const

    62 {

    63     return QSize(320, 48);

    64 }

    65 

    66 void ControlStrip::mousePressEvent(QMouseEvent *event)

    67 {

    68     int h = height();

    69     int x = event->pos().x();

    70 

    71     if (x < h) {

    72         emit menuClicked();

    73         event->accept();

    74         return;

    75     }

    76 

    77     if (x > width() - h) {

    78         emit closeClicked();

    79         event->accept();

    80         return;

    81     }

    82 

    83     if ((x < width() - 2 * h) && (x > width() - 3 * h)) {

    84         emit forwardClicked();

    85         event->accept();

    86         return;

    87     }

    88 

    89     if ((x < width() - 3 * h) && (x > width() - 5 * h)) {

    90         emit backClicked();

    91         event->accept();

    92         return;

    93     }

    94 }

    95 

    96 void ControlStrip::paintEvent(QPaintEvent *event)

    97 {

    98     int h = height();

    99     int s = (h - menuPixmap.height()) / 2;

   100 

   101     QPainter p(this);

   102     p.fillRect(event->rect(), QColor(32, 32, 32, 192));

   103     p.setCompositionMode(QPainter::CompositionMode_SourceOver);

   104     p.drawPixmap(s, s, menuPixmap);

   105     p.drawPixmap(width() - h + s, s, closePixmap);

   106     p.drawPixmap(width() - 3 * h + s, s, forwardPixmap);

   107     p.drawPixmap(width() - 5 * h + s, s, backPixmap);

   108 

   109     p.end();

   110 }