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-rw-r--r--umbrello/umbrello/seqlinewidget.cpp124
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diff --git a/umbrello/umbrello/seqlinewidget.cpp b/umbrello/umbrello/seqlinewidget.cpp
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+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ * copyright (C) 2002-2007 *
+ * Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
+ ***************************************************************************/
+
+// own header
+#include "seqlinewidget.h"
+
+//kde includes
+#include <kcursor.h>
+#include <kdebug.h>
+//app includes
+#include "umlview.h"
+#include "objectwidget.h"
+#include "messagewidget.h"
+
+// class members
+int const SeqLineWidget::m_nMouseDownEpsilonX = 20;
+
+SeqLineWidget::SeqLineWidget( UMLView * pView, ObjectWidget * pObject ) : QCanvasLine( pView -> canvas() ) {
+ m_pView = pView;
+ m_pObject = pObject;
+ setPen( QPen( m_pObject->getLineColor(), 0, Qt::DashLine ) );
+ setZ( 0 );
+ setVisible( true );
+ m_DestructionBox.line1 = 0;
+ m_nLengthY = 250;
+ setupDestructionBox();
+}
+
+SeqLineWidget::~SeqLineWidget() {}
+
+int SeqLineWidget::onWidget( const QPoint & p ) {
+ int nOnWidget = 0;
+ QPoint sp = startPoint();
+ QPoint ep = endPoint();
+ //see if on widget ( for message creation )
+ if( sp.x() - m_nMouseDownEpsilonX < p.x()
+ && ep.x() + m_nMouseDownEpsilonX > p.x()
+ && sp.y() < p.y() && ep.y() + 3 > p.y() )
+ {
+ nOnWidget = 1;
+ }
+ return nOnWidget;
+}
+
+void SeqLineWidget::cleanup() {
+ cleanupDestructionBox();
+}
+
+void SeqLineWidget::setStartPoint( int startX, int startY ) {
+ int endX = startX;
+ int endY = startY + m_nLengthY;
+ QCanvasLine::setPoints( startX, startY, endX, endY );
+ moveDestructionBox();
+}
+
+void SeqLineWidget::cleanupDestructionBox() {
+ if ( m_DestructionBox.line1 ) {
+ delete m_DestructionBox.line1;
+ m_DestructionBox.line1 = 0;
+ delete m_DestructionBox.line2;
+ m_DestructionBox.line2 = 0;
+ }
+}
+
+void SeqLineWidget::setupDestructionBox() {
+ cleanupDestructionBox();
+ if( !m_pObject->getShowDestruction() ) {
+ return;
+ }
+ QRect rect;
+ rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 10 );
+ rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY );
+ rect.setWidth( 14 );
+ rect.setHeight( 14 );
+
+ m_DestructionBox.line1 = new QCanvasLine( m_pView->canvas() );
+ m_DestructionBox.setLine1Points(rect);
+ m_DestructionBox.line1->setVisible( true );
+ m_DestructionBox.line1->setPen( QPen(m_pObject->getLineColor(), 2) );
+ m_DestructionBox.line1->setZ( 3 );
+
+ m_DestructionBox.line2 = new QCanvasLine( m_pView -> canvas() );
+ m_DestructionBox.setLine2Points(rect);
+ m_DestructionBox.line2->setVisible( true );
+ m_DestructionBox.line2->setPen( QPen(m_pObject->getLineColor(), 2) );
+ m_DestructionBox.line2->setZ( 3 );
+}
+
+void SeqLineWidget::moveDestructionBox() {
+ if( !m_DestructionBox.line1 ) {
+ return;
+ }
+ QRect rect;
+ rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 7 );
+ rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY - 7 );
+ rect.setWidth( 14 );
+ rect.setHeight( 14 );
+ m_DestructionBox.setLine1Points(rect);
+ m_DestructionBox.setLine2Points(rect);
+}
+
+void SeqLineWidget::setEndOfLine(int yPosition) {
+ QPoint sp = startPoint();
+ int newY = yPosition;
+ m_nLengthY = yPosition - m_pObject->getY() - m_pObject->getHeight();
+ // normally the managing Objectwidget is responsible for the call of this function
+ // but to be sure - make a double check _against current position_
+ if ( m_nLengthY < 0 ) {
+ m_nLengthY = 0;
+ newY = m_pObject->getY() + m_pObject->getHeight();
+ }
+ setPoints( sp.x(), sp.y(), sp.x(), newY );
+ moveDestructionBox();
+ m_pView->resizeCanvasToItems();
+}
+