Diffstat (limited to 'noncore/todayplugins/weather/weatherpluginwidget.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/todayplugins/weather/weatherpluginwidget.cpp | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/noncore/todayplugins/weather/weatherpluginwidget.cpp b/noncore/todayplugins/weather/weatherpluginwidget.cpp new file mode 100644 index 0000000..0fd8e57 --- a/dev/null +++ b/noncore/todayplugins/weather/weatherpluginwidget.cpp @@ -0,0 +1,321 @@ +/* + This file is part of the OPIE Project + =. + .=l. Copyright (c) 2002 Dan Williams <williamsdr@acm.org> + .>+-= + _;:, .> :=|. This file is free software; you can +.> <`_, > . <= redistribute it and/or modify it under +:`=1 )Y*s>-.-- : the terms of the GNU General Public +.="- .-=="i, .._ License as published by the Free Software + - . .-<_> .<> Foundation; either version 2 of the License, + ._= =} : or (at your option) any later version. + .%`+i> _;_. + .i_,=:_. -<s. This file is distributed in the hope that + + . -:. = it will be useful, but WITHOUT ANY WARRANTY; + : .. .:, . . . without even the implied warranty of + =_ + =;=|` MERCHANTABILITY or FITNESS FOR A + _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU General +..}^=.= = ; Public License for more details. +++= -. .` .: + : = ...= . :.=- You should have received a copy of the GNU + -. .:....=;==+<; General Public License along with this file; + -_. . . )=. = see the file COPYING. If not, write to the + -- :-=` Free Software Foundation, Inc., + 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + +*/ +#include <stdio.h> + +#include <qfile.h> +#include <qimage.h> +#include <qlabel.h> +#include <qlayout.h> +#include <qpixmap.h> +#include <qtextstream.h> + +#include <qpe/config.h> +#include <qpe/resource.h> + +#include "weatherpluginwidget.h" + +WeatherPluginWidget::WeatherPluginWidget( QWidget *parent, const char* name ) + : QWidget( parent, name ) +{ + Config config( "todayweatherplugin"); + config.setGroup( "Config" ); + + location = config.readEntry( "Location", "" ); + useMetric = config.readBoolEntry( "Metric", TRUE ); + frequency = config.readNumEntry( "Frequency", 5 ); + + localFile = "/tmp/"; + localFile.append( location ); + localFile.append( ".TXT" ); + + remoteFile = "http://weather.noaa.gov/pub/data/observations/metar/stations/"; + remoteFile.append( location ); + remoteFile.append( ".TXT" ); + + QHBoxLayout *layout = new QHBoxLayout( this ); + layout->setAutoAdd( TRUE ); + layout->setSpacing( 2 ); + + weatherIcon = new QLabel( this ); + weatherIcon->setMaximumWidth( 32 ); + QImage logo1 = Resource::loadImage( "todayweatherplugin/wait" ); + QPixmap pic; + pic.convertFromImage( logo1 ); + weatherIcon->setPixmap( pic ); + + weatherLabel = new QLabel( tr( "Retreiving current weather information." ), this ); + weatherLabel->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred ) ); + + startTimer(1000); + //retreiveData(); +} + +WeatherPluginWidget::~WeatherPluginWidget() +{ + QFile file( localFile ); + if ( file.exists() ) + { + file.remove(); + } +} + +void WeatherPluginWidget::timerEvent( QTimerEvent *e ) +{ + killTimer( e->timerId() ); + retreiveData(); +} + + + +void WeatherPluginWidget::retreiveData() +{ + startTimer( frequency * 60000 ); + + QFile file( localFile ); + if ( file.exists() ) + { + file.remove(); + } + + QString command = "wget -q "; + command.append( remoteFile ); + command.append( " -O " ); + command.append( localFile ); + FILE *get = popen( command.latin1(), "r" ); + if ( get ) + { + pclose( get ); + displayWeather(); + } + else + { + weatherLabel->setText( tr( "Current weather data not available.\nTry looking out the window." ) ); + } +} + +void WeatherPluginWidget::displayWeather() +{ + weatherData = QString::null; + + QFile file( localFile ); + if ( file.open( IO_ReadOnly ) ) + { + QTextStream data( &file ); + while ( !data.eof() ) + { + weatherData.append( data.readLine() ); + } + file.close(); + weatherData = weatherData.simplifyWhiteSpace(); + + QString tmpstr; + + tmpstr.append( tr( "Temp: " ) ); + getTemp( weatherData ); + tmpstr.append( dataStr ); + + tmpstr.append( tr( " Wind: " ) ); + getWind( weatherData ); + tmpstr.append( dataStr ); + + tmpstr.append( tr( "\nPres: " ) ); + getPressure( weatherData ); + tmpstr.append( dataStr ); + + weatherLabel->setText( tmpstr ); + + tmpstr = "todayweatherplugin/"; + getIcon( weatherData ); + tmpstr.append( dataStr ); + QImage logo1 = Resource::loadImage( tmpstr ); + QPixmap pic; + pic.convertFromImage( logo1 ); + weatherIcon->setPixmap( pic ); + } + else + { + weatherLabel->setText( tr( "Current weather data not available.\nTry looking out the window." ) ); + } +} + +void WeatherPluginWidget::getTemp( const QString &data ) +{ + int value; + bool ok; + + int pos = data.find( QRegExp( "M?[0-9]+/M?[0-9]+" ), 20 ); + if ( pos > -1 ) + { + if ( data.at( pos ) == 'M' ) + { + value = -1 * data.mid( pos + 1, 2 ).toInt( &ok ); + } + else + { + value = data.mid( pos, 2 ).toInt( &ok ); + } + if ( useMetric ) + { + dataStr = QString::number( value ); + dataStr.append( 'C' ); + } + else + { + dataStr = QString::number( ( value * 9 / 5 ) + 32 ); + dataStr.append( 'F' ); + } + } + else + { + dataStr = tr( "n/a" ); + } +} + +void WeatherPluginWidget::getWind( const QString &data ) +{ + int value; + bool ok; + + int pos = data.find( QRegExp( "[0-9]*G*[0-9]*KT" ), 20 ); + if ( pos > -1 ) + { + if ( data.mid( pos, 3 ) != "VRB" ) + { + value = data.mid( pos, 3 ).toInt( &ok ); + if ( ( value >= 0 && value < 23 ) || ( value >= 239 && value <= 360 ) ) + dataStr = tr("E " ); + else if ( value >= 23 && value < 69 ) + dataStr = tr( "NE " ); + else if ( value >= 69 && value < 113 ) + dataStr = tr( "N " ); + else if ( value >= 113 && value < 157 ) + dataStr = tr( "NW " ); + else if ( value >= 157 && value < 203 ) + dataStr = tr( "W " ); + else if ( value >= 203 && value < 248 ) + dataStr = tr( "SW " ); + else if ( value >= 248 && value < 294 ) + dataStr = tr( "S " ); + else if ( value >= 294 && value < 238 ) + dataStr = tr( "SE " ); + } + if ( data.mid( pos + 5, 1) == "G" || + data.mid( pos + 5, 1) == "K" ) + { + value = data.mid( pos + 3, 2 ).toInt( &ok ); + } + else + { + value = data.mid( pos + 3, 3 ).toInt( &ok ); + } + if ( useMetric ) + { + value = value * 3.6 / 1.94; + dataStr.append( QString::number( value ) ); + dataStr.append( tr( " KPH" ) ); + } + else + { + value = value * 2.24 / 1.94; + dataStr.append( QString::number( value ) ); + dataStr.append( tr( " MPH" ) ); + } + } + else + { + dataStr = tr( "n/a" ); + } +} + +void WeatherPluginWidget::getPressure( const QString &data ) +{ + float value; + bool ok; + + int pos = data.find( QRegExp( "[AQ][0-9]+" ), 20 ); + if ( pos > -1 ) + { + value = data.mid( pos + 1, 4 ).toFloat( &ok ); + if ( useMetric ) + { + if ( data.mid( pos, 1 ) == "A" ) + value *= 33.8639 / 100; + dataStr = QString::number( value, 'f', 2 ); + dataStr.append( tr( " hPa" ) ); + } + else + { + if ( data.mid( pos, 1 ) == "Q" ) + value /= 33.8639; + else + value /= 100; + dataStr = QString::number( value, 'f', 2 ); + dataStr.append( tr( " Hg" ) ); + } + } + else + { + dataStr = tr( "n/a" ); + } +} + +void WeatherPluginWidget::getIcon(const QString &data ) +{ + dataStr = "psunny"; + if ( data.find( "CLR ", 20 ) > -1 || + data.find( "SKC ", 20 ) > -1 || + data.find( "CAVOK ", 20 ) > -1 ) + { + dataStr = "sunny"; + } + else if ( data.find( "SH ", 20 ) > -1 || + data.find( "DZ ", 20 ) > -1 || + data.find( "RA ", 20 ) > -1 || + data.find( "UP ", 20 ) > -1 || + data.find( "BR ", 20 ) > -1 ) + { + dataStr = "shower"; + } + else if ( data.find( "TS ", 20 ) > -1 ) + { + dataStr = "tstorm"; + } + else if ( data.find( "SN ", 20 ) > -1 || + data.find( "SG ", 20 ) > -1 ) + { + dataStr = "snow"; + } + else if ( data.find( "FZ ", 20 ) > -1 || + data.find( "GR ", 20 ) > -1 || + data.find( "GS ", 20 ) > -1 || + data.find( "PE ", 20 ) > -1 || + data.find( "IC ", 20 ) > -1 ) + { + dataStr = "sleet"; + } +} |