26 #define YUILogComponent "qt-ui" 27 #include <yui/YUILog.h> 30 #include <qdatetimeedit.h> 34 #include "YQTimezoneSelector.h" 35 #include "YQWidgetCaption.h" 36 #include <yui/YEvent.h> 37 #include <QVBoxLayout> 39 #include <QMouseEvent> 69 bool operator<(
const Location& l2)
const;
74 QList<Location> locations;
76 Location findBest(
const QPoint &pos )
const;
82 QPoint pixPosition(
const Location &pos )
const;
84 QPoint pixToWindow(
const QPoint &pos )
const;
90 convert_pos (
const QString &pos,
int digits)
92 if (pos.length() < 4 || digits > 9)
return 0.0;
94 QString whole = pos.left( digits + 1 );
95 QString fraction = pos.mid( digits + 1 );
97 float t1 = whole.toFloat();
98 float t2 = fraction.toFloat();
101 return t1 + t2/pow (10.0, fraction.length() );
103 return t1 - t2/pow (10.0, fraction.length());
106 bool YQTimezoneSelectorPrivate::Location::operator<(
const Location& l1 )
const 108 return l1.latitude < latitude;
112 : QFrame( (QWidget *) parent->widgetRep() )
113 , YTimezoneSelector( parent, pixmap, timezones )
117 setWidgetRep(
this );
118 setMouseTracking(
true);
119 d->_pix.load( fromUTF8( pixmap ) );
121 setStretchable( YD_HORIZ,
true );
122 setStretchable( YD_VERT,
true );
125 FILE *tzfile = fopen (
"/usr/share/zoneinfo/zone.tab",
"r");
126 while (fgets (buf,
sizeof(buf), tzfile))
128 if (*buf ==
'#')
continue;
131 QStringList arr = sbuf.trimmed().split(
'\t' );
134 while ( split_index < arr[1].length() && arr[1][split_index] !=
'-' && arr[1][split_index] !=
'+' )
138 loc.country = arr[0];
140 std::map<std::string, std::string>::const_iterator tooltip = timezones.find( loc.zone.toStdString() );
141 if (tooltip == timezones.end() )
144 loc.tip = fromUTF8( tooltip->second );
145 if ( arr.size() > 3 )
146 loc.comment = arr[3];
147 loc.latitude = convert_pos ( arr[1].left( split_index ), 2);
148 loc.longitude = convert_pos ( arr[1].mid( split_index ), 3);
150 loc.pix_pos = d->pixPosition( loc );
152 d->locations.push_back( loc );
157 qSort( d->locations.begin(), d->locations.end() );
159 d->blink =
new QTimer(
this );
160 d->blink->setInterval( 200 );
161 connect( d->blink, &pclass(d->blink)::timeout,
162 this, &pclass(
this)::slotBlink );
188 resize( newWidth, newHeight );
191 QPoint YQTimezoneSelectorPrivate::pixPosition(
const Location &pos )
const 193 return QPoint( (
int) ( _pix.width() / 2 + _pix.width() / 2 * pos.longitude / 180 ),
194 (
int) ( _pix.height() / 2 - _pix.height() / 2 * pos.latitude / 90 ) ) ;
197 void YQTimezoneSelector::mousePressEvent ( QMouseEvent * event )
199 if ( event->button() == Qt::RightButton )
202 d->cachePix = QPixmap();
204 else if ( event->button() == Qt::LeftButton )
206 d->_best = d->findBest( event->pos() );
208 if ( d->_zoom.isNull() )
210 QPoint click =
event->pos();
212 d->_zoom.rx() = (int) (
double( click.x() ) * d->_pix.width() / width() );
213 d->_zoom.ry() = (int) (
double( click.y() ) * d->_pix.height() / height() );
216 d->cachePix = QPixmap();
228 void YQTimezoneSelector::paintEvent( QPaintEvent *event )
230 QFrame::paintEvent( event );
233 if ( d->cachePix.width() != width() || d->cachePix.height() != height() )
234 d->cachePix = QPixmap();
236 if ( d->_zoom.isNull() )
238 if ( d->cachePix.isNull() )
240 QImage t = d->_pix.scaled( width(), height(), Qt::KeepAspectRatio );
241 d->cachePix = QPixmap::fromImage( t );
243 p.drawPixmap( ( width() - d->cachePix.width() ) / 2, ( height() - d->cachePix.height() ) / 2, d->cachePix );
245 Q_INIT_RESOURCE(qt_icons);
246 QIcon icon = QIcon::fromTheme(
"zoom-in", QIcon(
":/zoom-in" ) );
247 if ( !icon.isNull() )
248 setCursor( QCursor( icon.pixmap( QSize( 16, 16 ) ) ) );
250 int left = qMin( qMax( d->_zoom.x() - width() / 2, 0 ), d->_pix.width() - width() );
251 int top = qMin( qMax( d->_zoom.y() - height() / 2, 0 ), d->_pix.height() - height() );
253 if ( d->cachePix.isNull() )
254 d->cachePix = QPixmap::fromImage( d->_pix.copy( QRect( QPoint( left, top ), size() ) ) );
256 p.drawPixmap( 0, 0, d->cachePix );
258 setCursor( Qt::CrossCursor );
261 p.setBrush( QColor(
"#D8DF57" ) );
262 p.setPen( QColor(
"#B9DFD6" ) );
263 for ( QList<YQTimezoneSelectorPrivate::Location>::const_iterator it = d->locations.begin(); it != d->locations.end(); ++it )
265 if ( !d->highlight || ( *it ).zone != d->_best.zone )
267 if ( d->_zoom.isNull() )
268 p.drawEllipse( QRect( d->pixToWindow( ( *it ).pix_pos ) - QPoint( 1,1 ), QSize( 3, 3 ) ) );
270 p.drawEllipse( QRect( d->pixToWindow( ( *it ).pix_pos ) - QPoint( 2,2 ), QSize( 5, 5 ) ) );
273 if ( d->highlight > 0 )
276 static const QColor blinks[] = { QColor(
"#00ff00" ), QColor(
"#22dd00" ), QColor(
"#44bb00" ),
277 QColor(
"#669900" ), QColor(
"#887700" ), QColor(
"#aa5500" ),
278 QColor(
"#887700" ), QColor(
"#669900" ), QColor(
"#44bb00" ),
279 QColor(
"#22dd00" ) };
280 int index = d->highlight - 1;
281 p.setPen( blinks[ index ] );
282 p.setBrush( blinks[ index ] );
284 p.drawEllipse( QRect( d->pixToWindow( d->_best.pix_pos ) - QPoint( 2,2 ), QSize( 5, 5 ) ) );
289 QFontMetrics fm( f );
291 QPoint off = d->pixToWindow( d->_best.pix_pos ) + QPoint( 11, 4 );
292 int tw = fm.width( d->_best.tip );
293 if ( tw + off.x() > width() )
294 off.rx() = d->pixToWindow( d->_best.pix_pos ).x() - tw - 10;
296 p.setPen( Qt::black );
297 p.drawText( off, d->_best.tip );
299 p.setPen( Qt::white );
300 p.drawText( off - QPoint( 1, 1 ), d->_best.tip );
307 double min_dist = 2000;
309 for ( QList<Location>::const_iterator it = locations.begin(); it != locations.end(); ++it )
311 double dist = QPoint( pixToWindow( ( *it ).pix_pos ) - pos ).manhattanLength ();
312 if ( dist < min_dist )
321 bool YQTimezoneSelector::event(QEvent *event)
323 if (event->type() == QEvent::ToolTip)
325 QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event);
328 QToolTip::showText(helpEvent->globalPos(), best.tip );
330 return QWidget::event(event);
336 return d->_best.zone.toStdString();
339 QPoint YQTimezoneSelectorPrivate::pixToWindow(
const QPoint &pos )
const 341 if ( _zoom.isNull() )
343 return QPoint( (
int) (
double( pos.x() ) * cachePix.width() / _pix.width() ) + ( parent->width() - cachePix.width() ) / 2,
344 (
int) ( double( pos.y() ) * cachePix.height() / _pix.height() ) + ( parent->height() - cachePix.height() ) /2 );
346 int left = qMin( qMax( _zoom.x() - parent->width() / 2, 0 ), _pix.width() - parent->width() );
347 int top = qMin( qMax( _zoom.y() - parent->height() / 2, 0 ), _pix.height() - parent->height() );
349 return QPoint( pos.x() - left, pos.y() - top );
354 QString zone = fromUTF8( _zone );
356 if ( d->_best.zone == zone )
361 for ( QList<YQTimezoneSelectorPrivate::Location>::const_iterator it = d->locations.begin(); it != d->locations.end(); ++it )
363 if ( ( *it ).zone == zone )
368 d->_zoom = d->_best.pix_pos;
372 d->cachePix = QPixmap();
379 void YQTimezoneSelector::slotBlink()
381 if ( d->_best.zone.isNull() )
387 if ( d->highlight++ > 9 )
390 QPoint current = d->pixToWindow( d->_best.pix_pos );
391 update( QRect( current - QPoint( 3, 3 ), QSize( 7, 7 ) ) );
virtual int preferredHeight()
Preferred height of the widget.
virtual void setSize(int newWidth, int newHeight)
Set the new size of the widget.
virtual std::string currentZone() const
subclasses have to implement this to return value
YQTimezoneSelector(YWidget *parent, const std::string &pixmap, const std::map< std::string, std::string > &timezones)
Constructor.
void sendEvent(YEvent *event)
Widget event handlers (slots) call this when an event occured that should be the answer to a UserInpu...
virtual ~YQTimezoneSelector()
Destructor.
virtual int preferredWidth()
Preferred width of the widget.
virtual void setCurrentZone(const std::string &zone, bool zoom)
subclasses have to implement this to set value
static YQUI * ui()
Access the global Qt-UI.