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+/*************************************************************************
+ *
+ * $RCSfile: connctr.cxx,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: obo $ $Date: 2004-02-26 14:48:13 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include "connctr.hxx"
+#include "objwin.hxx"
+#include "depwin.hxx"
+
+#include "math.h"
+
+Connector::Connector( DepWin* pParent, WinBits nWinStyle ) :
+mpStartWin( 0L ),
+mpEndWin( 0L ),
+mnStartId( 0 ),
+mnEndId( 0 ),
+len( 70 ),
+bVisible( FALSE )
+{
+ mpParent = pParent;
+ if ( mpParent )
+ mpParent->AddConnector( this );
+}
+
+Connector::~Connector()
+{
+ if ( mpStartWin )
+ mpStartWin->RemoveConnector( this );
+ if ( mpEndWin )
+ mpEndWin->RemoveConnector( this );
+ if ( mpParent )
+ mpParent->RemoveConnector( this );
+ mpParent->Invalidate( Rectangle( mStart, mEnd ));
+ mpParent->Invalidate( Rectangle( mEnd - Point( 3, 3), mEnd + Point( 3, 3)));
+}
+
+void Connector::Initialize( ObjectWin* pStartWin, ObjectWin* pEndWin )
+{
+ mpStartWin = pStartWin;
+ mpEndWin = pEndWin;
+ mpStartWin->AddConnector( this );
+ mpEndWin->AddConnector( this );
+ mCenter = GetMiddle();
+ mStart = pStartWin->GetFixPoint( mCenter );
+ mEnd = pEndWin->GetFixPoint( mCenter );
+ mnStartId = pStartWin->GetId();
+ mnEndId = pEndWin->GetId();
+
+ if ( mpParent->IsPaintEnabled())
+ {
+ mpParent->DrawLine( mEnd, mStart );
+ mpParent->DrawEllipse( Rectangle( mEnd - Point( 2, 2), mEnd + Point( 2, 2)));
+ }
+ UpdateVisibility();
+}
+
+void Connector::UpdateVisibility()
+{
+ bVisible = mpStartWin->IsVisible() && mpEndWin->IsVisible();
+}
+
+
+Point Connector::GetMiddle()
+{
+ Point aStartPoint = mpStartWin->GetPosPixel();
+ Size aStartSize = mpStartWin->GetSizePixel();
+ int nMoveHorz, nMoveVert;
+ aStartPoint.Move( aStartSize.Width() / 2, aStartSize.Height() / 2 );
+
+ Point aEndPoint = mpEndWin->GetPosPixel();
+ Size aEndSize = mpEndWin->GetSizePixel();
+
+ aEndPoint.Move( aEndSize.Width() / 2, aEndSize.Height() / 2 );
+
+ Point aRetPoint = aEndPoint;
+
+ nMoveHorz = aStartPoint.X() - aEndPoint.X();
+ if ( nMoveHorz )
+ nMoveHorz /= 2;
+ nMoveVert = aStartPoint.Y() - aEndPoint.Y();
+ if ( nMoveVert )
+ nMoveVert /= 2;
+ aRetPoint.Move( nMoveHorz, nMoveVert );
+ return aRetPoint;
+
+}
+
+void Connector::Paint( const Rectangle& rRect )
+{
+ if ( IsVisible()) {
+ mpParent->DrawLine( mEnd, mStart );
+ mpParent->DrawEllipse( Rectangle( mEnd - Point( 2, 2), mEnd + Point( 2, 2)));
+ }
+}
+
+void Connector::UpdatePosition( ObjectWin* pWin, BOOL bPaint )
+{
+// more than one call ?
+//
+ Point OldStart, OldEnd;
+ static nCallCount;
+// BOOL bPaint = TRUE;
+
+ if ( nCallCount )
+ nCallCount++;
+ else
+ {
+ nCallCount++;
+ while ( nCallCount )
+ {
+ if ( bPaint )
+ {
+ OldStart = mStart;
+ OldEnd = mEnd;
+ }
+ mCenter = GetMiddle();
+ mStart=mpStartWin->GetFixPoint( mCenter, bPaint );
+ mEnd=mpEndWin->GetFixPoint( mCenter, bPaint );
+ if ( bPaint )
+ {
+ mpParent->Invalidate( Rectangle( OldStart, OldEnd ));
+ mpParent->Invalidate( Rectangle( OldEnd - Point( 2, 2), OldEnd + Point( 2, 2)));
+//who uses this rectangle???
+ Paint ( Rectangle( mEnd - Point( 3, 3), mEnd + Point( 3, 3)));
+ Paint ( Rectangle( mEnd, mStart ));
+ }
+ nCallCount--;
+ }
+ }
+// mpParent->DrawLine( mEnd, mStart );
+// mpParent->DrawEllipse( Rectangle( mEnd - Point( 2, 2), mEnd + Point( 2, 2)));
+}
+
+USHORT Connector::Save( SvFileStream& rOutFile )
+{
+ rOutFile << mpStartWin->GetId();
+ rOutFile << mpEndWin->GetId();
+
+ return 0;
+}
+
+USHORT Connector::Load( SvFileStream& rInFile )
+{
+ rInFile >> mnStartId;
+ rInFile >> mnEndId;
+
+ return 0;
+}
+
+ObjectWin* Connector::GetOtherWin( ObjectWin* pWin )
+{
+ if ( mpStartWin == pWin )
+ return mpEndWin;
+ else
+ if ( mpEndWin == pWin )
+ return mpStartWin;
+
+ return NULL;
+}
+
+ULONG Connector::GetOtherId( ULONG nId )
+{
+ if ( mnStartId == nId )
+ return mnEndId;
+ else
+ if ( mnEndId == nId )
+ return mnStartId;
+
+ return NULL;
+}
+
+ULONG Connector::GetLen()
+{
+ double dx, dy;
+
+ dx = mStart.X() - mEnd.X();
+ dy = mStart.Y() - mEnd.Y();
+
+ return sqrt( dx * dx + dy * dy );
+}
+
+BOOL Connector::IsStart( ObjectWin* pWin )
+{
+ return pWin == mpStartWin;
+}
+
generated by cgit (git 2.34.1) at 2025-03-13 20:33:12 +0000