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125 lines
4.1 KiB
125 lines
4.1 KiB
/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* copyright (C) 2002-2007 *
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* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
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***************************************************************************/
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// own header
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#include "seqlinewidget.h"
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//kde includes
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#include <kcursor.h>
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#include <kdebug.h>
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//app includes
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#include "umlview.h"
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#include "objectwidget.h"
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#include "messagewidget.h"
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// class members
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int const SeqLineWidget::m_nMouseDownEpsilonX = 20;
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SeqLineWidget::SeqLineWidget( UMLView * pView, ObjectWidget * pObject ) : TQCanvasLine( pView -> canvas() ) {
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m_pView = pView;
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m_pObject = pObject;
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setPen( TQPen( m_pObject->getLineColor(), 0, TQt::DashLine ) );
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setZ( 0 );
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setVisible( true );
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m_DestructionBox.line1 = 0;
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m_nLengthY = 250;
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setupDestructionBox();
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}
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SeqLineWidget::~SeqLineWidget() {}
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int SeqLineWidget::onWidget( const TQPoint & p ) {
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int nOnWidget = 0;
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TQPoint sp = startPoint();
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TQPoint ep = endPoint();
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//see if on widget ( for message creation )
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if( sp.x() - m_nMouseDownEpsilonX < p.x()
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&& ep.x() + m_nMouseDownEpsilonX > p.x()
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&& sp.y() < p.y() && ep.y() + 3 > p.y() )
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{
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nOnWidget = 1;
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}
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return nOnWidget;
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}
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void SeqLineWidget::cleanup() {
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cleanupDestructionBox();
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}
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void SeqLineWidget::setStartPoint( int startX, int startY ) {
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int endX = startX;
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int endY = startY + m_nLengthY;
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TQCanvasLine::setPoints( startX, startY, endX, endY );
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moveDestructionBox();
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}
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void SeqLineWidget::cleanupDestructionBox() {
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if ( m_DestructionBox.line1 ) {
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delete m_DestructionBox.line1;
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m_DestructionBox.line1 = 0;
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delete m_DestructionBox.line2;
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m_DestructionBox.line2 = 0;
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}
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}
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void SeqLineWidget::setupDestructionBox() {
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cleanupDestructionBox();
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if( !m_pObject->getShowDestruction() ) {
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return;
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}
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TQRect rect;
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rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 10 );
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rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY );
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rect.setWidth( 14 );
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rect.setHeight( 14 );
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m_DestructionBox.line1 = new TQCanvasLine( m_pView->canvas() );
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m_DestructionBox.setLine1Points(rect);
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m_DestructionBox.line1->setVisible( true );
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m_DestructionBox.line1->setPen( TQPen(m_pObject->getLineColor(), 2) );
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m_DestructionBox.line1->setZ( 3 );
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m_DestructionBox.line2 = new TQCanvasLine( m_pView -> canvas() );
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m_DestructionBox.setLine2Points(rect);
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m_DestructionBox.line2->setVisible( true );
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m_DestructionBox.line2->setPen( TQPen(m_pObject->getLineColor(), 2) );
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m_DestructionBox.line2->setZ( 3 );
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}
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void SeqLineWidget::moveDestructionBox() {
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if( !m_DestructionBox.line1 ) {
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return;
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}
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TQRect rect;
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rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 7 );
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rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY - 7 );
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rect.setWidth( 14 );
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rect.setHeight( 14 );
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m_DestructionBox.setLine1Points(rect);
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m_DestructionBox.setLine2Points(rect);
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}
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void SeqLineWidget::setEndOfLine(int yPosition) {
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TQPoint sp = startPoint();
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int newY = yPosition;
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m_nLengthY = yPosition - m_pObject->getY() - m_pObject->getHeight();
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// normally the managing Objectwidget is responsible for the call of this function
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// but to be sure - make a double check _against current position_
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if ( m_nLengthY < 0 ) {
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m_nLengthY = 0;
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newY = m_pObject->getY() + m_pObject->getHeight();
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}
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setPoints( sp.x(), sp.y(), sp.x(), newY );
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moveDestructionBox();
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m_pView->resizeCanvasToItems();
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}
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