omniitem.cpp

   1 /////////////////////////////////////////////////////////////////////////
   2 // omniitem.cpp                                                        //
   3 //                                                                     //
   4 // Copyright(C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>//
   5 // Copyright(C) 2009 Adenilson Cavalcanti <adenilson.silva@idnt.org.br>//
   6 //                                                                     //
   7 // This library is free software; you can redistribute it and/or       //
   8 // modify it under the terms of the GNU Lesser General Public          //
   9 // License as published by the Free Software Foundation; either        //
  10 // version 2.1 of the License, or (at your option) any later version.  //
  11 //                                                                     //
  12 // This library is distributed in the hope that it will be useful,     //
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of      //
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   //
  15 // Lesser General Public License for more details.                     //
  16 //                                                                     //
  17 // You should have received a copy of the GNU Lesser General Public    //
  18 // License along with this library; if not, write to the Free Software //
  19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA       //
  20 // 02110-1301  USA                                                     //
  21 /////////////////////////////////////////////////////////////////////////
  22 #include "omniitem.h"
  23
  24 #include <QDebug>
  25 #include <QPainter>
  26
  27 OmniItem::OmniItem( QGraphicsItem *parent)
  28      : QGraphicsWidget(parent)
  29 {
  30     setAcceptedMouseButtons(Qt::LeftButton);
  31     setAcceptHoverEvents(true);
  32     setMinimumSize(0,0);
  33     setFlag(QGraphicsItem::ItemClipsToShape, true);
  34 }
  35
  36 OmniItem::OmniItem(OmniItem &item)
  37 {
  38     setMinimumSize( 0,0 );
  39     setFlag( QGraphicsItem::ItemClipsToShape, true );
  40     setFlag( ItemIgnoresParentOpacity );
  41     setGeometry( item.geometry() );
  42     setPos( 0, 0 );
  43     mText = item.mText;
  44     mPixmap = item.mPixmap;
  45     hasHoverEnter = true;
  46 }
  47
  48 OmniItem::~OmniItem()
  49 {
  50 }
  51
  52 void OmniItem::setPixmapPath( const QString &pixmapPath)
  53 {
  54     if ( !mPixmap.load( pixmapPath ) )
  55         qDebug("error loading pixmap");
  56 }
  57
  58 void OmniItem::setText( const QString &text)
  59 {
  60     mText = text;
  61 }
  62
  63 void OmniItem::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
  64 {
  65
  66     Q_UNUSED(option);
  67     Q_UNUSED(widget);
  68
  69     QPen pen;
  70     pen.setCapStyle( Qt::FlatCap );
  71     pen.setWidth(2);
  72     if ( hasHoverEnter ) {
  73         pen.setColor(Qt::darkGray);
  74         painter->setPen( pen );
  75         painter->setBrush( Qt::white );
  76         painter->drawRoundedRect(QRectF(rect().x(), rect().y(), rect().width(), rect().height() - 10), 20, 20);
  77
  78     } else {
  79         pen.setColor(Qt::lightGray);
  80         painter->setPen( pen );
  81         painter->drawRoundedRect(QRectF(rect().x(), rect().y(), rect().width(), rect().height() - 10), 20, 20);
  82
  83     }
  84
  85     QRectF geometryTemporary;
  86     if (!geometry().width())
  87         return;
  88
  89     geometryTemporary.setX(mPixmap.width()+20);
  90     geometryTemporary.setY(mPixmap.height()/2);
  91     geometryTemporary.setWidth(130);
  92     geometryTemporary.setHeight(40);
  93     painter->drawPixmap(mPixmap.rect(), mPixmap);
  94
  95     pen.setColor(Qt::black);
  96     painter->setPen( pen );
  97     painter->drawText(geometryTemporary, Qt::AlignCenter, mText);
  98
  99 }
 100
 101 void OmniItem::mousePressEvent ( QGraphicsSceneMouseEvent * event )
 102 {
 103     Q_UNUSED(event);
 104     emit clicked();
 105 }
 106
 107 void OmniItem::hoverEnterEvent ( QGraphicsSceneHoverEvent * event )
 108 {
 109     Q_UNUSED(event);
 110     hasHoverEnter = true;
 111     update();
 112 }
 113
 114 void OmniItem::hoverLeaveEvent ( QGraphicsSceneHoverEvent * event )
 115 {
 116     Q_UNUSED(event);
 117     hasHoverEnter = false;
 118     update();
 119 }