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> 43 #include "icons/zoom-in.xpm" 70 bool operator<(
const Location& l2)
const;
75 QList<Location> locations;
77 Location findBest(
const QPoint &pos )
const;
83 QPoint pixPosition(
const Location &pos )
const;
85 QPoint pixToWindow(
const QPoint &pos )
const;
91 convert_pos (
const QString &pos,
int digits)
93 if (pos.length() < 4 || digits > 9)
return 0.0;
95 QString whole = pos.left( digits + 1 );
96 QString fraction = pos.mid( digits + 1 );
98 float t1 = whole.toFloat();
99 float t2 = fraction.toFloat();
102 return t1 + t2/pow (10.0, fraction.length() );
104 return t1 - t2/pow (10.0, fraction.length());
107 bool YQTimezoneSelectorPrivate::Location::operator<(
const Location& l1 )
const 109 return l1.latitude < latitude;
113 : QFrame( (QWidget *) parent->widgetRep() )
114 , YTimezoneSelector( parent, pixmap, timezones )
118 setWidgetRep(
this );
119 setMouseTracking(
true);
120 d->_pix.load( fromUTF8( pixmap ) );
122 setStretchable( YD_HORIZ,
true );
123 setStretchable( YD_VERT,
true );
126 FILE *tzfile = fopen (
"/usr/share/zoneinfo/zone.tab",
"r");
127 while (fgets (buf,
sizeof(buf), tzfile))
129 if (*buf ==
'#')
continue;
132 QStringList arr = sbuf.trimmed().split(
'\t' );
135 while ( split_index < arr[1].length() && arr[1][split_index] !=
'-' && arr[1][split_index] !=
'+' )
139 loc.country = arr[0];
141 std::map<std::string, std::string>::const_iterator tooltip = timezones.find( loc.zone.toStdString() );
142 if (tooltip == timezones.end() )
145 loc.tip = fromUTF8( tooltip->second );
146 if ( arr.size() > 3 )
147 loc.comment = arr[3];
148 loc.latitude = convert_pos ( arr[1].left( split_index ), 2);
149 loc.longitude = convert_pos ( arr[1].mid( split_index ), 3);
151 loc.pix_pos = d->pixPosition( loc );
153 d->locations.push_back( loc );
158 qSort( d->locations.begin(), d->locations.end() );
160 d->blink =
new QTimer(
this );
161 d->blink->setInterval( 200 );
162 connect( d->blink, &pclass(d->blink)::timeout,
163 this, &pclass(
this)::slotBlink );
189 resize( newWidth, newHeight );
192 QPoint YQTimezoneSelectorPrivate::pixPosition(
const Location &pos )
const 194 return QPoint( (
int) ( _pix.width() / 2 + _pix.width() / 2 * pos.longitude / 180 ),
195 (
int) ( _pix.height() / 2 - _pix.height() / 2 * pos.latitude / 90 ) ) ;
198 void YQTimezoneSelector::mousePressEvent ( QMouseEvent * event )
200 if ( event->button() == Qt::RightButton )
203 d->cachePix = QPixmap();
205 else if ( event->button() == Qt::LeftButton )
207 d->_best = d->findBest( event->pos() );
209 if ( d->_zoom.isNull() )
211 QPoint click =
event->pos();
213 d->_zoom.rx() = (int) (
double( click.x() ) * d->_pix.width() / width() );
214 d->_zoom.ry() = (int) (
double( click.y() ) * d->_pix.height() / height() );
217 d->cachePix = QPixmap();
229 void YQTimezoneSelector::paintEvent( QPaintEvent *event )
231 QFrame::paintEvent( event );
234 if ( d->cachePix.width() != width() || d->cachePix.height() != height() )
235 d->cachePix = QPixmap();
237 if ( d->_zoom.isNull() )
239 if ( d->cachePix.isNull() )
241 QImage t = d->_pix.scaled( width(), height(), Qt::KeepAspectRatio );
242 d->cachePix = QPixmap::fromImage( t );
244 p.drawPixmap( ( width() - d->cachePix.width() ) / 2, ( height() - d->cachePix.height() ) / 2, d->cachePix );
246 setCursor( QCursor( QPixmap( zoom_in ) ) );
248 int left = qMin( qMax( d->_zoom.x() - width() / 2, 0 ), d->_pix.width() - width() );
249 int top = qMin( qMax( d->_zoom.y() - height() / 2, 0 ), d->_pix.height() - height() );
251 if ( d->cachePix.isNull() )
252 d->cachePix = QPixmap::fromImage( d->_pix.copy( QRect( QPoint( left, top ), size() ) ) );
254 p.drawPixmap( 0, 0, d->cachePix );
256 setCursor( Qt::CrossCursor );
259 p.setBrush( QColor(
"#D8DF57" ) );
260 p.setPen( QColor(
"#B9DFD6" ) );
261 for ( QList<YQTimezoneSelectorPrivate::Location>::const_iterator it = d->locations.begin(); it != d->locations.end(); ++it )
263 if ( !d->highlight || ( *it ).zone != d->_best.zone )
265 if ( d->_zoom.isNull() )
266 p.drawEllipse( QRect( d->pixToWindow( ( *it ).pix_pos ) - QPoint( 1,1 ), QSize( 3, 3 ) ) );
268 p.drawEllipse( QRect( d->pixToWindow( ( *it ).pix_pos ) - QPoint( 2,2 ), QSize( 5, 5 ) ) );
271 if ( d->highlight > 0 )
274 static const QColor blinks[] = { QColor(
"#00ff00" ), QColor(
"#22dd00" ), QColor(
"#44bb00" ),
275 QColor(
"#669900" ), QColor(
"#887700" ), QColor(
"#aa5500" ),
276 QColor(
"#887700" ), QColor(
"#669900" ), QColor(
"#44bb00" ),
277 QColor(
"#22dd00" ) };
278 int index = d->highlight - 1;
279 p.setPen( blinks[ index ] );
280 p.setBrush( blinks[ index ] );
282 p.drawEllipse( QRect( d->pixToWindow( d->_best.pix_pos ) - QPoint( 2,2 ), QSize( 5, 5 ) ) );
287 QFontMetrics fm( f );
289 QPoint off = d->pixToWindow( d->_best.pix_pos ) + QPoint( 11, 4 );
290 int tw = fm.width( d->_best.tip );
291 if ( tw + off.x() > width() )
292 off.rx() = d->pixToWindow( d->_best.pix_pos ).x() - tw - 10;
294 p.setPen( Qt::black );
295 p.drawText( off, d->_best.tip );
297 p.setPen( Qt::white );
298 p.drawText( off - QPoint( 1, 1 ), d->_best.tip );
305 double min_dist = 2000;
307 for ( QList<Location>::const_iterator it = locations.begin(); it != locations.end(); ++it )
309 double dist = QPoint( pixToWindow( ( *it ).pix_pos ) - pos ).manhattanLength ();
310 if ( dist < min_dist )
319 bool YQTimezoneSelector::event(QEvent *event)
321 if (event->type() == QEvent::ToolTip)
323 QHelpEvent *helpEvent =
static_cast<QHelpEvent *
>(event);
326 QToolTip::showText(helpEvent->globalPos(), best.tip );
328 return QWidget::event(event);
334 return d->_best.zone.toStdString();
337 QPoint YQTimezoneSelectorPrivate::pixToWindow(
const QPoint &pos )
const 339 if ( _zoom.isNull() )
341 return QPoint( (
int) (
double( pos.x() ) * cachePix.width() / _pix.width() ) + ( parent->width() - cachePix.width() ) / 2,
342 (
int) ( double( pos.y() ) * cachePix.height() / _pix.height() ) + ( parent->height() - cachePix.height() ) /2 );
344 int left = qMin( qMax( _zoom.x() - parent->width() / 2, 0 ), _pix.width() - parent->width() );
345 int top = qMin( qMax( _zoom.y() - parent->height() / 2, 0 ), _pix.height() - parent->height() );
347 return QPoint( pos.x() - left, pos.y() - top );
352 QString zone = fromUTF8( _zone );
354 if ( d->_best.zone == zone )
359 for ( QList<YQTimezoneSelectorPrivate::Location>::const_iterator it = d->locations.begin(); it != d->locations.end(); ++it )
361 if ( ( *it ).zone == zone )
366 d->_zoom = d->_best.pix_pos;
370 d->cachePix = QPixmap();
377 void YQTimezoneSelector::slotBlink()
379 if ( d->_best.zone.isNull() )
385 if ( d->highlight++ > 9 )
388 QPoint current = d->pixToWindow( d->_best.pix_pos );
389 update( QRect( current - QPoint( 3, 3 ), QSize( 7, 7 ) ) );
392 #include "YQTimezoneSelector.moc"
virtual int preferredHeight()
Preferred height of the widget.
virtual void setSize(int newWidth, int newHeight)
Set the new size of the widget.
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 std::string currentZone() const
subclasses have to implement this to return value
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.