1 files changed, 130 insertions, 0 deletions
diff --git a/kstars/kstars/mapcanvas.cpp b/kstars/kstars/mapcanvas.cpp
new file mode 100644
index 00000000..dc60c2bc
--- /dev/null
+++ b/kstars/kstars/mapcanvas.cpp
@@ -0,0 +1,130 @@
+/***************************************************************************
+                          mapcanvas.cpp  -  K Desktop Planetarium
+                             -------------------
+    begin                : Tue Apr 10 2001
+    copyright            : (C) 2001 by Jason Harris
+    email                : jharris@30doradus.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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <stdlib.h>
+#include <kstandarddirs.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+#include "mapcanvas.h"
+#include "locationdialog.h"
+#include "kstars.h"
+#include "kstarsdata.h"
+
+MapCanvas::MapCanvas(QWidget *parent, const char *name ) : QWidget(parent,name) {
+	BGColor = "#33A";
+	setBackgroundColor( QColor( BGColor ) );
+	setBackgroundMode( QWidget::NoBackground );
+	Canvas = new QPixmap();
+	bgImage = new QPixmap();
+	LocationDialog *ld = (LocationDialog *)topLevelWidget();
+	KStars *ks = (KStars *)ld->parent();
+	QString bgFile = ks->data()->stdDirs->findResource( "data", "kstars/geomap.png" );
+	bgImage->load( bgFile, "PNG" );
+}
+
+MapCanvas::~MapCanvas(){
+	delete bgImage;
+	delete Canvas;
+}
+
+void MapCanvas::setGeometry( int x, int y, int w, int h ) {
+	QWidget::setGeometry( x, y, w, h );
+	Canvas->resize( w, h );
+	origin.setX( w/2 );
+	origin.setY( h/2 );
+}
+
+void MapCanvas::setGeometry( const QRect &r ) {
+	QWidget::setGeometry( r );
+	Canvas->resize( r.width(), r.height() );
+	origin.setX( r.width()/2 );
+	origin.setY( r.height()/2 );
+}
+
+void MapCanvas::mousePressEvent( QMouseEvent *e ) {
+	LocationDialog *ld = (LocationDialog *)topLevelWidget();
+
+	//Determine Lat/Long corresponding to event press
+	int lng = ( e->x() - origin.x() );
+	int lat  = ( origin.y() - e->y() );
+
+	ld->findCitiesNear( lng, lat );
+}
+
+void MapCanvas::paintEvent( QPaintEvent * ) {
+	QPainter pcanvas;
+	LocationDialog *ld = (LocationDialog *)topLevelWidget();
+  KStars *ks = (KStars *)ld->parent();
+
+	//prepare the canvas
+	pcanvas.begin( Canvas );
+//	pcanvas.fillRect( 0, 0, width(), height(), QBrush( QColor( BGColor ) ) );
+	pcanvas.drawPixmap( 0, 0, *bgImage );
+//	pcanvas.setBrush( white );
+	pcanvas.setPen( QPen( QColor( "SlateGrey" ) ) );
+
+	//Draw cities
+	QPoint o;
+
+	for ( GeoLocation *g=ks->data()->geoList.first(); g; g = ks->data()->geoList.next() ) {
+		o.setX( int( g->lng()->Degrees() + origin.x() ) );
+		o.setY( height() - int( g->lat()->Degrees() + origin.y() ) );
+
+		if ( o.x() >= 0 && o.x() <= width() && o.y() >=0 && o.y() <=height() ) {
+			pcanvas.drawPoint( o.x(), o.y() );
+		}
+	}
+
+  //redraw the cities that appear in the filtered list, with a white pen
+	//If the list has not been filtered, skip the redraw.
+	if ( ld->filteredList()->count() ) {
+		pcanvas.setPen( white );
+		for ( GeoLocation *g=ld->filteredList()->first(); g; g = ld->filteredList()->next() ) {
+			o.setX( int( g->lng()->Degrees() + origin.x() ) );
+			o.setY( height() - int( g->lat()->Degrees() + origin.y() ) );
+
+			if ( o.x() >= 0 && o.x() <= width() && o.y() >=0 && o.y() <=height() ) {
+				pcanvas.drawPoint( o.x(), o.y() );
+			}
+		}
+	}
+
+	GeoLocation *g = ld->selectedCity();
+	if ( g ) {
+		o.setX( int( g->lng()->Degrees() + origin.x() ) );
+		o.setY( height() - int( g->lat()->Degrees() + origin.y() ) );
+
+		pcanvas.setPen( red );
+		pcanvas.setBrush( red );
+		pcanvas.drawEllipse( o.x()-3, o.y()-3, 6, 6 );
+		pcanvas.moveTo( o.x()-16, o.y() );
+		pcanvas.lineTo( o.x()-8, o.y() );
+		pcanvas.moveTo( o.x()+8, o.y() );
+		pcanvas.lineTo( o.x()+16, o.y() );
+		pcanvas.moveTo( o.x(), o.y()-16 );
+		pcanvas.lineTo( o.x(), o.y()-8 );
+		pcanvas.moveTo( o.x(), o.y()+8 );
+		pcanvas.lineTo( o.x(), o.y()+16 );
+		pcanvas.setPen( white );
+		pcanvas.setBrush( white );
+  }
+
+	pcanvas.end();
+	bitBlt( this, 0, 0, Canvas );
+}
+#include "mapcanvas.moc"