modules/gui/qt4/components/epg/EPGItem.cpp

   1 /*****************************************************************************
   2  * EPGItem.cpp: EPGItem
   3  ****************************************************************************
   4  * Copyright © 2009-2010 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Ludovic Fauvet <etix@l0cal.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include <QTransform>
  25 #include <QFont>
  26 #include <QFontMetrics>
  27 #include <QDebug>
  28 #include <QDateTime>
  29 #include <QFocusEvent>
  30 #include <QGraphicsScene>
  31
  32 #include "EPGItem.hpp"
  33 #include "EPGView.hpp"
  34 #include "EPGEvent.hpp"
  35
  36 EPGItem::EPGItem( EPGView *view )
  37     : m_view( view )
  38 {
  39     m_current = false;
  40
  41     m_boundingRect.setHeight( TRACKS_HEIGHT );
  42     setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsFocusable);
  43 }
  44
  45 QRectF EPGItem::boundingRect() const
  46 {
  47     return m_boundingRect;
  48 }
  49
  50 void EPGItem::paint( QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
  51 {
  52     // Draw in view's coordinates
  53     painter->setWorldMatrixEnabled( false );
  54
  55     // Draw high-quality items
  56     //painter->setRenderHint( QPainter::Antialiasing );
  57
  58     // Get the transformations required to map the text on the viewport
  59     QTransform viewPortTransform = m_view->viewportTransform();
  60     QRectF mapped = deviceTransform( viewPortTransform ).mapRect( boundingRect() );
  61
  62     if ( m_current )
  63     {
  64         painter->setBrush( QBrush( QColor( 244, 102, 146 ) ) );
  65         painter->setPen( QPen( QColor( 244, 102, 146 ) ) );
  66     }
  67     else
  68     {
  69         painter->setBrush( QBrush( QColor( 201, 217, 242 ) ) );
  70         painter->setPen( QPen( QColor( 201, 217, 242 ) ) );
  71     }
  72
  73     mapped.adjust( 1, 2, -1, -2 );
  74     painter->drawRoundedRect( mapped, 10, 10 );
  75
  76     /* Draw text */
  77
  78     // Setup the font
  79     QFont f = painter->font();
  80
  81     // Get the font metrics
  82     QFontMetrics fm = painter->fontMetrics();
  83
  84     // Adjust the drawing rect
  85     mapped.adjust( 6, 6, -6, -6 );
  86
  87     painter->setPen( Qt::black );
  88     /* Draw the title. */
  89     painter->drawText( mapped, Qt::AlignTop | Qt::AlignLeft, fm.elidedText( m_name, Qt::ElideRight, mapped.width() ) );
  90
  91     mapped.adjust( 0, 20, 0, 0 );
  92     QDateTime m_end = m_start.addSecs( m_duration );
  93     f.setPixelSize( 10 );
  94     f.setItalic( true );
  95     painter->setFont( f );
  96
  97     /* Draw the hours. */
  98     painter->drawText( mapped, Qt::AlignTop | Qt::AlignLeft,
  99                        fm.elidedText( m_start.toString( "hh:mm" ) + " - " +
 100                                       m_end.toString( "hh:mm" ),
 101                                       Qt::ElideRight, mapped.width() ) );
 102 }
 103
 104 const QDateTime& EPGItem::start() const
 105 {
 106     return m_start;
 107 }
 108
 109 int EPGItem::duration() const
 110 {
 111     return m_duration;
 112 }
 113
 114 void EPGItem::setChannel( int channelNb )
 115 {
 116     //qDebug() << "Channel" << channelNb;
 117     m_channelNb = channelNb;
 118     updatePos();
 119 }
 120
 121 void EPGItem::setStart( const QDateTime& start )
 122 {
 123     m_start = start;
 124     updatePos();
 125 }
 126
 127 void EPGItem::setDuration( int duration )
 128 {
 129     m_duration = duration;
 130     m_boundingRect.setWidth( duration );
 131 }
 132
 133 void EPGItem::setName( const QString& name )
 134 {
 135     m_name = name;
 136 }
 137
 138 void EPGItem::setDescription( const QString& description )
 139 {
 140     m_description = description;
 141 }
 142
 143 void EPGItem::setShortDescription( const QString& shortDescription )
 144 {
 145     m_shortDescription = shortDescription;
 146 }
 147
 148 void EPGItem::setCurrent( bool current )
 149 {
 150     m_current = current;
 151 }
 152
 153 void EPGItem::updatePos()
 154 {
 155     int x = m_view->startTime().secsTo( m_start );
 156     setPos( x, m_channelNb * TRACKS_HEIGHT );
 157 }
 158
 159 void EPGItem::focusInEvent( QFocusEvent * event )
 160 {
 161     EPGEvent *evEPG = new EPGEvent( m_name );
 162     evEPG->description = m_description;
 163     evEPG->shortDescription = m_shortDescription;
 164     evEPG->start = m_start;
 165     evEPG->duration = m_duration;
 166     m_view->eventFocused( evEPG );
 167 }