1 files changed, 440 insertions, 0 deletions

diff --git a/kstars/kstars/infoboxes.cpp b/kstars/kstars/infoboxes.cpp
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+/***************************************************************************
+                          infoboxes.cpp  -  description
+                             -------------------
+    begin                : Wed Jun 5 2002
+    copyright            : (C) 2002 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 <kglobal.h>
+#include <kdebug.h>
+//#include <qpen.h>
+#include <qpainter.h>
+
+#include "infoboxes.h"
+#include "kstarsdatetime.h"
+#include "dms.h"
+#include "geolocation.h"
+#include "skypoint.h"
+
+InfoBoxes::InfoBoxes( int w, int h, QPoint tp, bool tshade,
+		QPoint gp, bool gshade, QPoint fp, bool fshade,
+		QColor colorText, QColor colorGrab, QColor colorBG ) :
+		boxColor(colorText), grabColor(colorGrab), bgColor(colorBG),
+		GeoBox(0), FocusBox(0), TimeBox(0)
+{
+
+	int tx = tp.x();
+	int ty = tp.y();
+	int gx = gp.x();
+	int gy = gp.y();
+	int fx = fp.x();
+	int fy = fp.y();
+
+	GrabbedBox = 0;
+	GrabPos = QPoint( 0, 0 );
+	Visible = true;
+
+	Width = w;
+	Height = h;
+
+//Create infoboxes
+	GeoBox   = new InfoBox( gx, gy, gshade, "", "" );
+	TimeBox  = new InfoBox( tx, ty, tshade, "", "", "" );
+	FocusBox = new InfoBox( fx, fy, fshade, "", "", "" );
+
+	fixCollisions( TimeBox );
+	fixCollisions( FocusBox );
+
+	resize( w, h );
+}
+
+InfoBoxes::InfoBoxes( int w, int h, int tx, int ty, bool tshade,
+		int gx, int gy, bool gshade, int fx, int fy, bool fshade,
+		QColor colorText, QColor colorGrab, QColor colorBG ) :
+		boxColor(colorText), grabColor(colorGrab), bgColor(colorBG) {
+
+	GrabbedBox = 0;
+	GrabPos = QPoint( 0, 0 );
+	Visible = true;
+
+	Width = w;
+	Height = h;
+
+//Create infoboxes
+	GeoBox   = new InfoBox( gx, gy, gshade, "", "" );
+	TimeBox  = new InfoBox( tx, ty, tshade, "", "", "" );
+	FocusBox = new InfoBox( fx, fy, fshade, "", "", "" );
+
+	fixCollisions( TimeBox );
+	fixCollisions( FocusBox );
+
+	resize( w, h );
+}
+
+InfoBoxes::~InfoBoxes(){
+	delete FocusBox;
+	delete TimeBox;
+	delete GeoBox;
+}
+
+void InfoBoxes::resize( int w, int h ) {
+	Width = w;
+	Height = h;
+	checkBorders(false);
+}
+
+void InfoBoxes::drawBoxes( QPainter &p, QColor FGColor, QColor grabColor,
+		QColor BGColor, unsigned int BGMode ) {
+	if ( isVisible() ) {
+		if ( GeoBox->isVisible() ) {
+			p.setPen( QPen( FGColor ) );
+			if ( GrabbedBox == 1 ) {
+				p.setPen( QPen( grabColor ) );
+				p.drawRect( GeoBox->x(), GeoBox->y(), GeoBox->width(), GeoBox->height() );
+			}
+			GeoBox->draw( p, BGColor, BGMode );
+		}
+
+		if ( TimeBox->isVisible() ) {
+			p.setPen( QPen( FGColor ) );
+			if ( GrabbedBox == 2 ) {
+				p.setPen( QPen( grabColor ) );
+				p.drawRect( TimeBox->x(), TimeBox->y(), TimeBox->width(), TimeBox->height() );
+			}
+			TimeBox->draw( p, BGColor, BGMode );
+		}
+
+		if ( FocusBox->isVisible() ) {
+			p.setPen( QPen( FGColor ) );
+			if ( GrabbedBox == 3 ) {
+				p.setPen( QPen( grabColor ) );
+				p.drawRect( FocusBox->x(), FocusBox->y(), FocusBox->width(), FocusBox->height() );
+			}
+			FocusBox->draw( p, BGColor, BGMode );
+		}
+	}
+}
+
+bool InfoBoxes::grabBox( QMouseEvent *e ) {
+	if ( GeoBox->rect().contains( e->pos() ) ) {
+		GrabbedBox = 1;
+		GrabPos.setX( e->x() - GeoBox->x() );
+		GrabPos.setY( e->y() - GeoBox->y() );
+		return true;
+	} else if ( TimeBox->rect().contains( e->pos() ) ) {
+		GrabbedBox = 2;
+		GrabPos.setX( e->x() - TimeBox->x() );
+		GrabPos.setY( e->y() - TimeBox->y() );
+		return true;
+	} else if ( FocusBox->rect().contains( e->pos() ) ) {
+		GrabbedBox = 3;
+		GrabPos.setX( e->x() - FocusBox->x() );
+		GrabPos.setY( e->y() - FocusBox->y() );
+		return true;
+	} else {
+		GrabbedBox = 0; //this is probably redundant, because mouseRelease should call unGrabBox()...
+		return false;
+	}
+}
+
+bool InfoBoxes::unGrabBox( void ) {
+	if ( GrabbedBox ) {
+		GrabbedBox = 0;
+		checkBorders();
+		return true;
+	} else {
+		return false;
+	}
+}
+
+bool InfoBoxes::dragBox( QMouseEvent *e ) {
+	switch( GrabbedBox ) {
+		case 1: //GeoBox
+			GeoBox->move( e->x() - GrabPos.x(), e->y() - GrabPos.y() );
+			fixCollisions( GeoBox );
+			return true;
+			break;
+		case 2: //TimeBox
+			TimeBox->move( e->x() - GrabPos.x(), e->y() - GrabPos.y() );
+			fixCollisions( TimeBox );
+			return true;
+			break;
+		case 3: //FocusBox
+			FocusBox->move( e->x() - GrabPos.x(), e->y() - GrabPos.y() );
+			fixCollisions( FocusBox );
+			return true;
+			break;
+		default: //no box is grabbed; return false
+			return false;
+	}
+}
+
+bool InfoBoxes::shadeBox( QMouseEvent *e ) {
+	if ( GeoBox->rect().contains( e->pos() ) ) {
+		GeoBox->toggleShade();
+		if ( GeoBox->rect().bottom() > height() ) GeoBox->move( GeoBox->x(), height() - GeoBox->height() );
+		if ( GeoBox->rect().right() > width() ) GeoBox->move( width() - GeoBox->width(), GeoBox->y() );
+		if ( GeoBox->anchorBottom() ) GeoBox->move( GeoBox->x(), height() - GeoBox->height() );
+		if ( GeoBox->anchorRight() ) GeoBox->move( width() - GeoBox->width(), GeoBox->y() );
+		fixCollisions( TimeBox );
+		fixCollisions( FocusBox );
+		return true;
+	} else if ( TimeBox->rect().contains( e->pos() ) ) {
+		TimeBox->toggleShade();
+		if ( TimeBox->rect().bottom() > height() ) TimeBox->move( TimeBox->x(), height() - TimeBox->height() );
+		if ( TimeBox->rect().right() > width() ) TimeBox->move( width() - TimeBox->width(), TimeBox->y() );
+		if ( TimeBox->anchorBottom() ) TimeBox->move( TimeBox->x(), height() - TimeBox->height() );
+		if ( TimeBox->anchorRight() ) TimeBox->move( width() - TimeBox->width(), TimeBox->y() );
+		fixCollisions( GeoBox );
+		fixCollisions( FocusBox );
+		return true;
+	} else if ( FocusBox->rect().contains( e->pos() ) ) {
+		FocusBox->toggleShade();
+		if ( FocusBox->rect().bottom() > height() ) FocusBox->move( FocusBox->x(), height() - FocusBox->height() );
+		if ( FocusBox->rect().right() > width() ) FocusBox->move( width() - FocusBox->width(), FocusBox->y() );
+		if ( FocusBox->anchorBottom() ) FocusBox->move( FocusBox->x(), height() - FocusBox->height() );
+		if ( FocusBox->anchorRight() ) FocusBox->move( width() - FocusBox->width(), FocusBox->y() );
+		fixCollisions( TimeBox );
+		fixCollisions( GeoBox );
+		return true;
+	}
+	return false;
+}
+
+bool InfoBoxes::fixCollisions( InfoBox *target ) {
+	int dLeft(0), dRight(0), dUp(0), dDown(0);
+	QRect area = QRect( 0, 0, Width, Height );
+	QRect t = target->rect();
+	QRect Box1, Box2;
+	
+//Set Box1 and Box2 to the rects of the other two InfoBoxes, unless
+//they are not visible (if so, set a null QRect)
+	if ( target == GeoBox ) {
+		if ( FocusBox->isVisible() ) Box1 = FocusBox->rect();
+		else Box1 = QRect(0,0,0,0);
+
+		if ( TimeBox->isVisible() ) Box2 = TimeBox->rect();
+		else Box2 = QRect(0,0,0,0);
+
+	} else if ( target == FocusBox ) {
+		if ( GeoBox->isVisible() ) Box1 = GeoBox->rect();
+		else Box1 = QRect(0,0,0,0);
+
+		if ( TimeBox->isVisible() ) Box2 = TimeBox->rect();
+		else Box2 = QRect(0,0,0,0);
+
+	} else if ( target == TimeBox ) {
+		if ( FocusBox->isVisible() ) Box1 = FocusBox->rect();
+		else Box1 = QRect(0,0,0,0);
+
+		if ( GeoBox->isVisible() ) Box2 = GeoBox->rect();
+		else Box2 = QRect(0,0,0,0);
+
+	} else { return false; } //none of the Boxes match target!
+
+//Shrink Box1 and Box2 by one pixel in each direction.  This will make the
+//Edges of adjacent boxes line up more nicely.
+	if ( Box1.width() ) Box1.setCoords( Box1.left()+1, Box1.top()+1, Box1.right()-1, Box1.bottom()-1 );
+	if ( Box2.width() ) Box2.setCoords( Box2.left()+1, Box2.top()+1, Box2.right()-1, Box2.bottom()-1 );
+
+//First, make sure target box is within area rect.
+	if ( ! area.contains( t ) ) {
+/*		if ( t.x() < area.x() ) target->move( area.x(), t.y() );
+		if ( t.y() < area.y() ) target->move( t.x(), area.y() );
+		if ( t.right() > area.right() ){ target->move( area.right() - t.width(), t.y() ); }
+		if ( t.bottom() > area.bottom() ) target->move( t.x(), area.bottom() - t.height() );*/
+
+		int x = t.x(), y = t.y();
+		
+		if ( t.x() < area.x() ) x = area.x();
+		if ( t.y() < area.y() ) y = area.y();
+		if ( t.right() > area.right() ) x = area.right() - t.width();
+		if ( t.bottom() > area.bottom() ) y = area.bottom() - t.height();
+		target->move(x,y);
+
+		//Reset t
+		t = target->rect();
+	}
+
+	QRect upRect = t;
+	QRect downRect = t;
+	QRect leftRect = t;
+	QRect rightRect = t;
+
+//Fix collisions
+	if ( t.intersects( Box1 ) || t.intersects( Box2 ) ) {
+		//move t to the left one pixel at a time until there is no
+		//intersection with Box1 or Box2.
+		while ( leftRect.intersects( Box1 ) || leftRect.intersects( Box2 ) ) {
+			++dLeft;
+			leftRect.moveTopLeft( QPoint( t.x() - dLeft, t.y() ) );
+		}
+		//If leftRect is outside area, set dLeft to a nonsense large value
+		if ( !area.contains( leftRect ) ) { dLeft = 100000; }
+		//repeat for right, up and down directions.
+		while ( rightRect.intersects( Box1 ) || rightRect.intersects( Box2 ) ) {
+			++dRight;
+			rightRect.moveTopLeft( QPoint( t.x() + dRight, t.y() ) );
+		}
+		if ( !area.contains( rightRect ) ) { dRight = 100000; }
+
+		while ( upRect.intersects( Box1 ) || upRect.intersects( Box2 ) ) {
+			++dUp;
+			upRect.moveTopLeft( QPoint( t.x(), t.y() - dUp ) );
+		}
+		if ( !area.contains( upRect ) ) { dUp = 100000; }
+
+		while ( downRect.intersects( Box1 ) || downRect.intersects( Box2 ) ) {
+			++dDown;
+			downRect.moveTopLeft( QPoint( t.x(), t.y() + dDown ) );
+		}
+		if ( !area.contains( downRect ) ) { dDown = 100000; }
+
+
+		//find the smallest displacement, and move the target box there.
+		//if the smallest displacement is 100000, then the function has failed
+		//to find any legal position; return false.
+		int dmin = dLeft;
+		if ( dRight < dmin ) dmin = dRight;
+		if ( dDown < dmin ) dmin = dDown;
+		if ( dUp < dmin ) dmin = dUp;
+
+		if ( dmin == 100000 ) { return false; }
+		else if ( dmin == dLeft ) {
+			target->move( leftRect.x(), leftRect.y() );
+		} else if ( dmin == dRight ) {
+			target->move( rightRect.x(), rightRect.y() );
+		} else if ( dmin == dUp ) {
+			target->move( upRect.x(), upRect.y() );
+		} else if ( dmin == dDown ) {
+			target->move( downRect.x(), downRect.y() );
+		}
+	}
+	else  // no intersection with other boxes
+		return true;
+
+	//Set Anchor flags based on new position
+	if ( target->rect().right() >= width()-2 ) target->setAnchorRight( true );
+	else target->setAnchorRight( false ); 
+	if ( target->rect().bottom() >= height()-2 ) target->setAnchorBottom(true);
+	else target->setAnchorBottom(false);
+
+	//Final check to see if we're still inside area (we may not be if target
+	//is bigger than area)
+	if ( area.contains( target->rect() ) ) return true;
+	else return false;
+}
+
+bool InfoBoxes::timeChanged( const KStarsDateTime &ut, const KStarsDateTime &lt, dms *lst ) {
+	QString ot1 = TimeBox->text1();
+	QString ot2 = TimeBox->text2();
+	QString ot3 = TimeBox->text3();
+	
+	TimeBox->setText1( i18n( "Local Time", "LT: " ) + lt.time().toString()
+		+ "   " + lt.date().toString( "%d %b %Y" ) );
+	TimeBox->setText2( i18n( "Universal Time", "UT: " ) + ut.time().toString()
+		+ "   " + ut.date().toString( "%d %b %Y" ) );
+	
+	QString STString;
+	STString = STString.sprintf( "%02d:%02d:%02d   ", lst->hour(), lst->minute(), lst->second() );
+	
+	//Don't use KLocale::formatNumber() for Julian Day because we don't want 
+	//thousands-place separators
+	QString JDString = QString::number( ut.djd(), 'f', 2 );
+	JDString.replace( ".", KGlobal::locale()->decimalSymbol() );
+	
+	TimeBox->setText3( i18n( "Sidereal Time", "ST: " ) + STString +
+			i18n( "Julian Day", "JD: " ) + JDString );
+
+	if ( ot1 == TimeBox->text1() && ot2 == TimeBox->text2() &&
+			ot3 == TimeBox->text3() ) 
+		return false;
+	else {
+		checkBorders(); 
+		return true;
+	}
+}
+
+bool InfoBoxes::geoChanged(const GeoLocation *geo) {
+	QString ot1 = GeoBox->text1();
+	QString ot2 = GeoBox->text2();
+	
+	QString name = geo->translatedName() + ", ";
+	if ( ! geo->province().isEmpty() ) name += geo->translatedProvince() + ",  ";
+	name += geo->translatedCountry();
+	GeoBox->setText1( name );
+
+	GeoBox->setText2( i18n( "Longitude", "Long:" ) + " " +
+		KGlobal::locale()->formatNumber( geo->lng()->Degrees(),3) + "   " +
+		i18n( "Latitude", "Lat:" ) + " " +
+		KGlobal::locale()->formatNumber( geo->lat()->Degrees(),3) );
+	
+	if ( ot1 == GeoBox->text1() && ot2 == GeoBox->text2() )
+		return false;
+	else {
+		checkBorders();
+		return true;
+	}
+}
+
+bool InfoBoxes::focusObjChanged( const QString &n ) {
+	QString ot1 = FocusBox->text1();
+	
+	FocusBox->setText1( i18n( "Focused on: " ) + n );
+	if ( ot1 == FocusBox->text1() ) return false;
+	else {
+		checkBorders();
+		return true;
+	}
+}
+
+bool InfoBoxes::focusCoordChanged(const SkyPoint *p) {
+	QString ot2 = FocusBox->text2();
+	QString ot3 = FocusBox->text3();
+	
+	FocusBox->setText2( i18n( "Right Ascension", "RA" ) + ": " + p->ra()->toHMSString() +
+		"  " + i18n( "Declination", "Dec" ) +  ": " + p->dec()->toDMSString(true) );
+	FocusBox->setText3( i18n( "Azimuth", "Az" ) + ": " + p->az()->toDMSString(true) + 
+		"  " + i18n( "Altitude", "Alt" ) + ": " + p->alt()->toDMSString(true) );
+
+	if ( ot2 == FocusBox->text2() && ot3 == FocusBox->text3() ) 
+		return false;
+	else {
+		checkBorders();
+		return true;
+	}
+}
+
+void InfoBoxes::checkBorders(bool resetToDefault) {
+	if (resetToDefault) {
+		TimeBox->setAnchorFlag( InfoBox::AnchorNone );
+		GeoBox->setAnchorFlag( InfoBox::AnchorNone );
+		FocusBox->setAnchorFlag( InfoBox::AnchorNone );
+	}
+	
+	if ( GeoBox->rect().right()    >= Width-2  ) GeoBox->setAnchorRight( true );
+	if ( TimeBox->rect().right()   >= Width-2  ) TimeBox->setAnchorRight( true );
+	if ( FocusBox->rect().right()  >= Width-2  ) FocusBox->setAnchorRight( true );
+	if ( GeoBox->rect().bottom()   >= Height-2 ) GeoBox->setAnchorBottom( true );
+	if ( TimeBox->rect().bottom()  >= Height-2 ) TimeBox->setAnchorBottom( true );
+	if ( FocusBox->rect().bottom() >= Height-2 ) FocusBox->setAnchorBottom( true );
+
+	if ( GeoBox->anchorRight()    ) GeoBox->move( Width, GeoBox->y() );
+	if ( TimeBox->anchorRight()   ) TimeBox->move( Width, TimeBox->y() );
+	if ( FocusBox->anchorRight()  ) FocusBox->move( Width, FocusBox->y() );
+	if ( GeoBox->anchorBottom()   ) GeoBox->move( GeoBox->x(), Height );
+	if ( TimeBox->anchorBottom()  ) TimeBox->move( TimeBox->x(), Height );
+	if ( FocusBox->anchorBottom() ) FocusBox->move( FocusBox->x(), Height );
+}
+
+#include "infoboxes.moc"