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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 test suite 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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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

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    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include "chip.h"

    43 

    44 #include <QtGui>

    45 

    46 Chip::Chip(const QColor &color, int x, int y)

    47 {

    48     this->x = x;

    49     this->y = y;

    50     this->color = color;

    51     setZValue((x + y) % 2);

    52 

    53     setFlags(ItemIsSelectable | ItemIsMovable);

    54     setAcceptsHoverEvents(true);

    55 }

    56 

    57 QRectF Chip::boundingRect() const

    58 {

    59     return QRectF(0, 0, 110, 70);

    60 }

    61 

    62 QPainterPath Chip::shape() const

    63 {

    64     QPainterPath path;

    65     path.addRect(14, 14, 82, 42);

    66     return path;

    67 }

    68 

    69 void Chip::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

    70 {

    71     Q_UNUSED(widget);

    72 

    73     QColor fillColor = (option->state & QStyle::State_Selected) ? color.dark(150) : color;

    74     if (option->state & QStyle::State_MouseOver)

    75         fillColor = fillColor.light(125);

    76 

    77     if (option->levelOfDetail < 0.2) {

    78         if (option->levelOfDetail < 0.125) {

    79             painter->fillRect(QRectF(0, 0, 110, 70), fillColor);

    80             return;

    81         }

    82 

    83         QBrush b = painter->brush();

    84         painter->setBrush(fillColor);

    85         painter->drawRect(13, 13, 97, 57);

    86         painter->setBrush(b);

    87         return;

    88     }

    89 

    90     QPen oldPen = painter->pen();

    91     QPen pen = oldPen;

    92     int width = 0;

    93     if (option->state & QStyle::State_Selected)

    94         width += 2;

    95 

    96     pen.setWidth(width);

    97     QBrush b = painter->brush();

    98     painter->setBrush(QBrush(fillColor.dark(option->state & QStyle::State_Sunken ? 120 : 100)));

    99 

   100     painter->drawRect(QRect(14, 14, 79, 39));

   101     painter->setBrush(b);

   102 

   103     if (option->levelOfDetail >= 1) {

   104         painter->setPen(QPen(Qt::gray, 1));

   105         painter->drawLine(15, 54, 94, 54);

   106         painter->drawLine(94, 53, 94, 15);

   107         painter->setPen(QPen(Qt::black, 0));

   108     }

   109 

   110     // Draw text

   111     if (option->levelOfDetail >= 2) {

   112         QFont font("Times", 10);

   113         font.setStyleStrategy(QFont::ForceOutline);

   114         painter->setFont(font);

   115         painter->save();

   116         painter->scale(0.1, 0.1);

   117         painter->drawText(170, 180, QString("Model: VSC-2000 (Very Small Chip) at %1x%2").arg(x).arg(y));

   118         painter->drawText(170, 200, QString("Serial number: DLWR-WEER-123L-ZZ33-SDSJ"));

   119         painter->drawText(170, 220, QString("Manufacturer: Chip Manufacturer"));

   120         painter->restore();

   121     }

   122 

   123     // Draw lines

   124     QVarLengthArray<QLineF, 36> lines;

   125     if (option->levelOfDetail >= 0.5) {

   126         for (int i = 0; i <= 10; i += (option->levelOfDetail > 0.5 ? 1 : 2)) {

   127             lines.append(QLineF(18 + 7 * i, 13, 18 + 7 * i, 5));

   128             lines.append(QLineF(18 + 7 * i, 54, 18 + 7 * i, 62));

   129         }

   130         for (int i = 0; i <= 6; i += (option->levelOfDetail > 0.5 ? 1 : 2)) {

   131             lines.append(QLineF(5, 18 + i * 5, 13, 18 + i * 5));

   132             lines.append(QLineF(94, 18 + i * 5, 102, 18 + i * 5));

   133         }

   134     }

   135     if (option->levelOfDetail >= 0.4) {

   136         const QLineF lineData[] = {

   137             QLineF(25, 35, 35, 35),

   138             QLineF(35, 30, 35, 40),

   139             QLineF(35, 30, 45, 35),

   140             QLineF(35, 40, 45, 35),

   141             QLineF(45, 30, 45, 40),

   142             QLineF(45, 35, 55, 35)

   143         };

   144         lines.append(lineData, 6);

   145     }

   146     painter->drawLines(lines.data(), lines.size());

   147 

   148     // Draw red ink

   149     if (stuff.size() > 1) {

   150         QPen p = painter->pen();

   151         painter->setPen(QPen(Qt::red, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));

   152         painter->setBrush(Qt::NoBrush);

   153         QPainterPath path;

   154         path.moveTo(stuff.first());

   155         for (int i = 1; i < stuff.size(); ++i)

   156             path.lineTo(stuff.at(i));

   157         painter->drawPath(path);

   158         painter->setPen(p);

   159     }

   160 }

   161 

   162 void Chip::mousePressEvent(QGraphicsSceneMouseEvent *event)

   163 {

   164     QGraphicsItem::mousePressEvent(event);

   165     update();

   166 }

   167 

   168 void Chip::mouseMoveEvent(QGraphicsSceneMouseEvent *event)

   169 {

   170     if (event->modifiers() & Qt::ShiftModifier) {

   171         stuff << event->pos();

   172         update();

   173         return;

   174     }

   175     QGraphicsItem::mouseMoveEvent(event);

   176 }

   177 

   178 void Chip::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

   179 {

   180     QGraphicsItem::mouseReleaseEvent(event);

   181     update();

   182 }