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tdepim/kaddressbook/geowidget.cpp

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/*
This file is part of KAddressBook.
Copyright (c) 2002 Tobias Koenig <tokoe@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include <kabc/geo.h>
#include <kaccelmanager.h>
#include <kcombobox.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <klocale.h>
#include <knuminput.h>
#include <kstandarddirs.h>
#include <tqcheckbox.h>
#include <tqfile.h>
#include <tqgroupbox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqlistbox.h>
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqpushbutton.h>
#include <tqregexp.h>
#include <tqstring.h>
#include "geowidget.h"
GeoWidget::GeoWidget( KABC::AddressBook *ab, TQWidget *parent, const char *name )
: KAB::ContactEditorWidget( ab, parent, name ), mReadOnly( false )
{
TQLabel *label = 0;
TQGridLayout *topLayout = new TQGridLayout( this, 4, 3 );
topLayout->setMargin( KDialog::marginHint() );
topLayout->setSpacing( KDialog::spacingHint() );
label = new TQLabel( this );
label->setPixmap( KGlobal::iconLoader()->loadIcon( "package_network",
KIcon::Desktop, KIcon::SizeMedium ) );
label->setAlignment( Qt::AlignTop );
topLayout->addMultiCellWidget( label, 0, 3, 0, 0 );
mGeoIsValid = new TQCheckBox( i18n( "Use geo data" ), this );
topLayout->addMultiCellWidget( mGeoIsValid, 0, 0, 1, 2 );
label = new TQLabel( i18n( "Latitude:" ), this );
topLayout->addWidget( label, 1, 1 );
mLatitudeBox = new KDoubleSpinBox( -90, 90, 1, 0, 6, this );
mLatitudeBox->setEnabled( false );
mLatitudeBox->setSuffix( "<EFBFBD>" );
topLayout->addWidget( mLatitudeBox, 1, 2 );
label->setBuddy( mLatitudeBox );
label = new TQLabel( i18n( "Longitude:" ), this );
topLayout->addWidget( label, 2, 1 );
mLongitudeBox = new KDoubleSpinBox( -180, 180, 1, 0, 6, this );
mLongitudeBox->setEnabled( false );
mLongitudeBox->setSuffix( "<EFBFBD>" );
topLayout->addWidget( mLongitudeBox, 2, 2 );
label->setBuddy( mLongitudeBox );
mExtendedButton = new TQPushButton( i18n( "Edit Geo Data..." ), this );
mExtendedButton->setEnabled( false );
topLayout->addMultiCellWidget( mExtendedButton, 3, 3, 1, 2 );
connect( mLatitudeBox, TQT_SIGNAL( valueChanged( double ) ),
TQT_SLOT( setModified() ) );
connect( mLongitudeBox, TQT_SIGNAL( valueChanged( double ) ),
TQT_SLOT( setModified() ) );
connect( mExtendedButton, TQT_SIGNAL( clicked() ),
TQT_SLOT( editGeoData() ) );
connect( mGeoIsValid, TQT_SIGNAL( toggled( bool ) ),
mLatitudeBox, TQT_SLOT( setEnabled( bool ) ) );
connect( mGeoIsValid, TQT_SIGNAL( toggled( bool ) ),
mLongitudeBox, TQT_SLOT( setEnabled( bool ) ) );
connect( mGeoIsValid, TQT_SIGNAL( toggled( bool ) ),
mExtendedButton, TQT_SLOT( setEnabled( bool ) ) );
connect( mGeoIsValid, TQT_SIGNAL( toggled( bool ) ),
TQT_SLOT( setModified() ) );
}
GeoWidget::~GeoWidget()
{
}
void GeoWidget::loadContact( KABC::Addressee *addr )
{
KABC::Geo geo = addr->geo();
if ( geo.isValid() ) {
if ( !mReadOnly )
mGeoIsValid->setChecked( true );
mLatitudeBox->setValue( geo.latitude() );
mLongitudeBox->setValue( geo.longitude() );
} else
mGeoIsValid->setChecked( false );
}
void GeoWidget::storeContact( KABC::Addressee *addr )
{
KABC::Geo geo;
if ( mGeoIsValid->isChecked() ) {
geo.setLatitude( mLatitudeBox->value() );
geo.setLongitude( mLongitudeBox->value() );
} else {
geo.setLatitude( 91 );
geo.setLongitude( 181 );
}
addr->setGeo( geo );
}
void GeoWidget::setReadOnly( bool readOnly )
{
mReadOnly = readOnly;
mGeoIsValid->setEnabled( !mReadOnly );
}
void GeoWidget::editGeoData()
{
GeoDialog dlg( this );
dlg.setLatitude( mLatitudeBox->value() );
dlg.setLongitude( mLongitudeBox->value() );
if ( dlg.exec() ) {
mLatitudeBox->setValue( dlg.latitude() );
mLongitudeBox->setValue( dlg.longitude() );
setModified( true );
}
}
GeoDialog::GeoDialog( TQWidget *parent, const char *name )
: KDialogBase( Plain, i18n( "Geo Data Input" ), Ok | Cancel, Ok,
parent, name, true, true ),
mUpdateSexagesimalInput( true )
{
TQFrame *page = plainPage();
TQGridLayout *topLayout = new TQGridLayout( page, 2, 2, marginHint(),
spacingHint() );
topLayout->setRowStretch( 1, 1 );
mMapWidget = new GeoMapWidget( page );
topLayout->addMultiCellWidget( mMapWidget, 0, 1, 0, 0 );
mCityCombo = new KComboBox( page );
topLayout->addWidget( mCityCombo, 0, 1 );
TQGroupBox *sexagesimalGroup = new TQGroupBox( 0, Vertical, i18n( "Sexagesimal" ), page );
TQGridLayout *sexagesimalLayout = new TQGridLayout( sexagesimalGroup->layout(),
2, 5, spacingHint() );
TQLabel *label = new TQLabel( i18n( "Latitude:" ), sexagesimalGroup );
sexagesimalLayout->addWidget( label, 0, 0 );
mLatDegrees = new TQSpinBox( 0, 90, 1, sexagesimalGroup );
mLatDegrees->setSuffix( "<EFBFBD>" );
mLatDegrees->setWrapping( false );
label->setBuddy( mLatDegrees );
sexagesimalLayout->addWidget( mLatDegrees, 0, 1 );
mLatMinutes = new TQSpinBox( 0, 59, 1, sexagesimalGroup );
mLatMinutes->setSuffix( "'" );
sexagesimalLayout->addWidget( mLatMinutes, 0, 2 );
mLatSeconds = new TQSpinBox( 0, 59, 1, sexagesimalGroup );
mLatSeconds->setSuffix( "\"" );
sexagesimalLayout->addWidget( mLatSeconds, 0, 3 );
mLatDirection = new KComboBox( sexagesimalGroup );
mLatDirection->insertItem( i18n( "North" ) );
mLatDirection->insertItem( i18n( "South" ) );
sexagesimalLayout->addWidget( mLatDirection, 0, 4 );
label = new TQLabel( i18n( "Longitude:" ), sexagesimalGroup );
sexagesimalLayout->addWidget( label, 1, 0 );
mLongDegrees = new TQSpinBox( 0, 180, 1, sexagesimalGroup );
mLongDegrees->setSuffix( "<EFBFBD>" );
label->setBuddy( mLongDegrees );
sexagesimalLayout->addWidget( mLongDegrees, 1, 1 );
mLongMinutes = new TQSpinBox( 0, 59, 1, sexagesimalGroup );
mLongMinutes->setSuffix( "'" );
sexagesimalLayout->addWidget( mLongMinutes, 1, 2 );
mLongSeconds = new TQSpinBox( 0, 59, 1, sexagesimalGroup );
mLongSeconds->setSuffix( "\"" );
sexagesimalLayout->addWidget( mLongSeconds, 1, 3 );
mLongDirection = new KComboBox( sexagesimalGroup );
mLongDirection->insertItem( i18n( "East" ) );
mLongDirection->insertItem( i18n( "West" ) );
sexagesimalLayout->addWidget( mLongDirection, 1, 4 );
topLayout->addWidget( sexagesimalGroup, 1, 1 );
loadCityList();
connect( mMapWidget, TQT_SIGNAL( changed() ),
TQT_SLOT( geoMapChanged() ) );
connect( mCityCombo, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( cityInputChanged() ) );
connect( mLatDegrees, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLatMinutes, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLatSeconds, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLatDirection, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLongDegrees, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLongMinutes, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLongSeconds, TQT_SIGNAL( valueChanged( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
connect( mLongDirection, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( sexagesimalInputChanged() ) );
KAcceleratorManager::manage( this );
}
GeoDialog::~GeoDialog()
{
}
void GeoDialog::setLatitude( double latitude )
{
mLatitude = latitude;
updateInputs();
}
double GeoDialog::latitude() const
{
return mLatitude;
}
void GeoDialog::setLongitude( double longitude )
{
mLongitude = longitude;
updateInputs();
}
double GeoDialog::longitude() const
{
return mLongitude;
}
void GeoDialog::sexagesimalInputChanged()
{
mLatitude = (double)( mLatDegrees->value() + (double)mLatMinutes->value() /
60 + (double)mLatSeconds->value() / 3600 );
mLatitude *= ( mLatDirection->currentItem() == 1 ? -1 : 1 );
mLongitude = (double)( mLongDegrees->value() + (double)mLongMinutes->value() /
60 + (double)mLongSeconds->value() / 3600 );
mLongitude *= ( mLongDirection->currentItem() == 1 ? -1 : 1 );
mUpdateSexagesimalInput = false;
updateInputs();
}
void GeoDialog::geoMapChanged()
{
mLatitude = mMapWidget->latitude();
mLongitude = mMapWidget->longitude();
updateInputs();
}
void GeoDialog::cityInputChanged()
{
if ( mCityCombo->currentItem() != 0 ) {
GeoData data = mGeoDataMap[ mCityCombo->currentText() ];
mLatitude = data.latitude;
mLongitude = data.longitude;
} else
mLatitude = mLongitude = 0;
updateInputs();
}
void GeoDialog::updateInputs()
{
// hmm, doesn't look nice, but there is no better way AFAIK
mCityCombo->blockSignals( true );
mLatDegrees->blockSignals( true );
mLatMinutes->blockSignals( true );
mLatSeconds->blockSignals( true );
mLatDirection->blockSignals( true );
mLongDegrees->blockSignals( true );
mLongMinutes->blockSignals( true );
mLongSeconds->blockSignals( true );
mLongDirection->blockSignals( true );
mMapWidget->setLatitude( mLatitude );
mMapWidget->setLongitude( mLongitude );
mMapWidget->update();
if ( mUpdateSexagesimalInput ) {
int degrees, minutes, seconds;
double latitude = mLatitude;
double longitude = mLongitude;
latitude *= ( mLatitude < 0 ? -1 : 1 );
longitude *= ( mLongitude < 0 ? -1 : 1 );
degrees = (int)( latitude * 1 );
minutes = (int)( ( latitude - degrees ) * 60 );
seconds = (int)( (double)( (double)latitude - (double)degrees - ( (double)minutes / (double)60 ) ) * (double)3600 );
mLatDegrees->setValue( degrees );
mLatMinutes->setValue( minutes );
mLatSeconds->setValue( seconds );
mLatDirection->setCurrentItem( mLatitude < 0 ? 1 : 0 );
degrees = (int)( longitude * 1 );
minutes = (int)( ( longitude - degrees ) * 60 );
seconds = (int)( (double)( longitude - (double)degrees - ( (double)minutes / 60 ) ) * 3600 );
mLongDegrees->setValue( degrees );
mLongMinutes->setValue( minutes );
mLongSeconds->setValue( seconds );
mLongDirection->setCurrentItem( mLongitude < 0 ? 1 : 0 );
}
mUpdateSexagesimalInput = true;
int pos = nearestCity( mLongitude, mLatitude );
if ( pos != -1 )
mCityCombo->setCurrentItem( pos + 1 );
else
mCityCombo->setCurrentItem( 0 );
mCityCombo->blockSignals( false );
mLatDegrees->blockSignals( false );
mLatMinutes->blockSignals( false );
mLatSeconds->blockSignals( false );
mLatDirection->blockSignals( false );
mLongDegrees->blockSignals( false );
mLongMinutes->blockSignals( false );
mLongSeconds->blockSignals( false );
mLongDirection->blockSignals( false );
}
void GeoDialog::loadCityList()
{
mCityCombo->clear();
mGeoDataMap.clear();
TQFile file( locate( "data", "kaddressbook/zone.tab" ) );
if ( file.open( IO_ReadOnly ) ) {
TQTextStream s( &file );
TQString line, country;
TQRegExp coord( "[+-]\\d+[+-]\\d+" );
TQRegExp name( "[^\\s]+/[^\\s]+" );
int pos;
while ( !s.eof() ) {
line = s.readLine().stripWhiteSpace();
if ( line.isEmpty() || line[ 0 ] == '#' )
continue;
country = line.left( 2 );
TQString c, n;
pos = coord.search( line, 0 );
if ( pos >= 0 )
c = line.mid( pos, coord.matchedLength() );
pos = name.search(line, pos);
if ( pos > 0 ) {
n = line.mid( pos, name.matchedLength() ).stripWhiteSpace();
n.replace( '_', " " );
}
if ( !c.isEmpty() && !n.isEmpty() ) {
pos = c.find( "+", 1 );
if ( pos < 0 )
pos = c.find( "-", 1 );
if ( pos > 0 ) {
GeoData data;
data.latitude = calculateCoordinate( c.left( pos ) );
data.longitude = calculateCoordinate( c.mid( pos ) );
data.country = country;
mGeoDataMap.insert( n, data );
}
}
}
TQStringList items( mGeoDataMap.keys() );
items.prepend( i18n( "Undefined" ) );
mCityCombo->insertStringList( items );
file.close();
}
}
double GeoDialog::calculateCoordinate( const TQString &coordinate ) const
{
int neg;
int d = 0, m = 0, s = 0;
TQString str = coordinate;
neg = str.left( 1 ) == "-";
str.remove( 0, 1 );
switch ( str.length() ) {
case 4:
d = str.left( 2 ).toInt();
m = str.mid( 2 ).toInt();
break;
case 5:
d = str.left( 3 ).toInt();
m = str.mid( 3 ).toInt();
break;
case 6:
d = str.left( 2 ).toInt();
m = str.mid( 2, 2 ).toInt();
s = str.right( 2 ).toInt();
break;
case 7:
d = str.left( 3 ).toInt();
m = str.mid( 3, 2 ).toInt();
s = str.right( 2 ).toInt();
break;
default:
break;
}
if ( neg )
return - ( d + m / 60.0 + s / 3600.0 );
else
return d + m / 60.0 + s / 3600.0;
}
int GeoDialog::nearestCity( double x, double y ) const
{
TQMap<TQString, GeoData>::ConstIterator it;
int pos = 0;
for ( it = mGeoDataMap.begin(); it != mGeoDataMap.end(); ++it, ++pos ) {
double dist = ( (*it).longitude - x ) * ( (*it).longitude - x ) +
( (*it).latitude - y ) * ( (*it).latitude - y );
if ( dist < 1.5 )
return pos;
}
return -1;
}
GeoMapWidget::GeoMapWidget( TQWidget *parent, const char *name )
: TQWidget( parent, name ), mLatitude( 0 ), mLongitude( 0 )
{
setBackgroundMode( NoBackground );
setFixedSize( 400, 200 );
update();
}
GeoMapWidget::~GeoMapWidget()
{
}
void GeoMapWidget::setLatitude( double latitude )
{
mLatitude = latitude;
}
double GeoMapWidget::latitude()const
{
return mLatitude;
}
void GeoMapWidget::setLongitude( double longitude )
{
mLongitude = longitude;
}
double GeoMapWidget::longitude()const
{
return mLongitude;
}
void GeoMapWidget::mousePressEvent( TQMouseEvent *event )
{
double latMid = height() / 2;
double longMid = width() / 2;
double latOffset = latMid - event->y();
double longOffset = event->x() - longMid;
mLatitude = ( latOffset * 90 ) / latMid;
mLongitude = ( longOffset * 180 ) / longMid;
emit changed();
}
void GeoMapWidget::paintEvent( TQPaintEvent* )
{
uint w = width();
uint h = height();
TQPixmap pm( w, h );
TQPainter p;
p.begin( &pm, this );
p.setPen( TQColor( 255, 0, 0 ) );
p.setBrush( TQColor( 255, 0, 0 ) );
TQPixmap world( locate( "data", "kaddressbook/pics/world.jpg" ) );
p.drawPixmap( 0, 0, world );
double latMid = h / 2;
double longMid = w / 2;
double latOffset = ( mLatitude * latMid ) / 90;
double longOffset = ( mLongitude * longMid ) / 180;
int x = (int)(longMid + longOffset);
int y = (int)(latMid - latOffset);
p.drawEllipse( x, y, 4, 4 );
p.end();
bitBlt( this, 0, 0, &pm );
}
#include "geowidget.moc"