workspace/kdm/kfrontend/kdmclock.cpp

   1 /*
   2
   3 clock module for kdm
   4
   5 Copyright (C) 2000 Espen Sand, espen@kde.org
   6   Based on work by NN(yet to be determined)
   7 flicker free code by Remi Guyomarch <rguyom@mail.dotcom.fr>
   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
  21 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22
  23 */
  24
  25 #include "kdmclock.h"
  26
  27 #include <QPainter>
  28 #include <QTime>
  29 #include <QTimer>
  30
  31 KdmClock::KdmClock( QWidget *parent )
  32         : inherited( parent )
  33 {
  34         QTimer *timer = new QTimer( this );
  35         connect( timer, SIGNAL(timeout()), SLOT(timeout()) );
  36         timer->start( 1000 );
  37
  38 #ifdef MORE
  39         mDate = false;//config->readEntry( "date", false );
  40         mSecond = true;//config->readEntry( "second", true );
  41         mDigital = false;//config->readEntry( "digital", false );
  42         mBorder = true;//config->readEntry( "border", false );
  43
  44         //config->setGroup( "Font" );
  45         mFont.setFamily( QString::fromLatin1("Utopia")/*config->readEntry( "Family", "Utopia" )*/ );
  46         mFont.setPointSize( 51/*config->readEntry( "Point Size", 51 )*/ );
  47         mFont.setWeight( 75/*config->readEntry( "Weight", 75 )*/ );
  48         mFont.setItalic( true/*config->readEntry( "Italic", true )*/ );
  49         mFont.setBold( true/*config->readEntry( "Bold", false )*/ );
  50
  51         if (mBorder)
  52                 setFrameStyle( WinPanel|Sunken );
  53 #endif
  54
  55         setFixedSize( 100, 100 );
  56
  57         repaint();
  58 }
  59
  60
  61 void KdmClock::showEvent( QShowEvent * )
  62 {
  63         repaint();
  64 }
  65
  66
  67 void KdmClock::timeout()
  68 {
  69         repaint();
  70 }
  71
  72 void KdmClock::paintEvent( QPaintEvent * )
  73 {
  74         QPainter p( this );
  75 #ifdef MORE
  76         drawFrame( &p );
  77 #endif
  78
  79         p.setPen( palette().foreground().color() );
  80         p.setBrush( palette().foreground() );
  81
  82         QTime time = QTime::currentTime();
  83
  84 #ifdef MORE
  85         if (mDigital) {
  86                 QString buf;
  87                 if (mSecond)
  88                         buf.sprintf( "%02d:%02d:%02d", time.hour(), time.minute(),
  89                                      time.second() );
  90                 else
  91                         buf.sprintf( "%02d:%02d", time.hour(), time.minute() );
  92                 mFont.setPointSize( qMin( (int)(width() / buf.length() * 1.5), height() ) );
  93                 p.setFont( mFont );
  94                 p.drawText( contentsRect(), Qt::AlignCenter, buf );
  95         } else
  96 #endif
  97         {
  98                 QTransform matrix;
  99                 QPoint cp = contentsRect().center();
 100                 matrix.translate( cp.x(), cp.y() );
 101                 int d = qMin( contentsRect().width() - 15, contentsRect().height() - 15 );
 102                 matrix.scale( d/1000.0F, d/1000.0F );
 103
 104                 QPolygon pts;
 105
 106                 // Hour
 107                 float h_angle = 30*(time.hour()%12-3) + time.minute()/2;
 108                 matrix.rotate( h_angle );
 109                 p.setWorldTransform( matrix );
 110                 pts.setPoints( 4, -20,0, 0,-20, 300,0, 0,20 );
 111                 p.drawPolygon( pts );
 112                 matrix.rotate( -h_angle );
 113
 114                 // Minute
 115                 float m_angle = (time.minute()-15)*6;
 116                 matrix.rotate( m_angle );
 117                 p.setWorldTransform( matrix );
 118                 pts.setPoints( 4, -10,0, 0,-10, 400,0, 0,10 );
 119                 p.drawPolygon( pts );
 120                 matrix.rotate( -m_angle );
 121
 122                 // Second
 123 #ifdef MORE
 124                 if (mSecond)
 125 #endif
 126                 {
 127                         float s_angle = (time.second()-15)*6;
 128                         matrix.rotate( s_angle );
 129                         p.setWorldTransform( matrix );
 130                         pts.setPoints( 4,0,0,0,0,400,0,0,0 );
 131                         p.drawPolygon( pts );
 132                         matrix.rotate( -s_angle );
 133                 }
 134
 135                 // quadrante
 136                 for (int i = 0; i < 60; i++) {
 137                         p.setWorldTransform( matrix );
 138                         if ((i % 5) == 0)
 139                                 p.drawLine( 450,0, 500,0 ); // draw hour lines
 140                         else
 141                                 p.drawPoint( 480,0 ); // draw second lines
 142                         matrix.rotate( 6 );
 143                 }
 144
 145         } // if (mDigital)
 146 }
 147
 148 #include "kdmclock.moc"