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-rw-r--r--kpovmodeler/pmsoredit.cpp282
1 files changed, 282 insertions, 0 deletions
diff --git a/kpovmodeler/pmsoredit.cpp b/kpovmodeler/pmsoredit.cpp
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+++ b/kpovmodeler/pmsoredit.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2002 by Andreas Zehender
+ email : zehender@kde.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 "pmsoredit.h"
+#include "pmsor.h"
+#include "pmvectorlistedit.h"
+#include "pmpart.h"
+
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qtooltip.h>
+#include <qcombobox.h>
+#include <qcheckbox.h>
+#include <qpushbutton.h>
+#include <klocale.h>
+#include <kdialog.h>
+#include <kiconloader.h>
+#include <kmessagebox.h>
+
+PMSurfaceOfRevolutionEdit::PMSurfaceOfRevolutionEdit( QWidget* parent, const char* name )
+ : Base( parent, name )
+{
+ m_pDisplayedObject = 0;
+}
+
+void PMSurfaceOfRevolutionEdit::createBottomWidgets( )
+{
+ topLayout( )->addWidget( new QLabel( i18n( "Spline points:" ), this ) );
+
+ m_pPoints = new PMVectorListEdit( "u", "v", this );
+ connect( m_pPoints, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) );
+ connect( m_pPoints, SIGNAL( selectionChanged( ) ),
+ SLOT( slotSelectionChanged( ) ) );
+ QHBoxLayout* hl = new QHBoxLayout( topLayout( ) );
+ hl->addWidget( m_pPoints, 2 );
+
+ m_pAddAbove = new QPushButton( this );
+ m_pAddAbove->setPixmap( SmallIcon( "pmaddpointabove" ) );
+ m_pAddBelow = new QPushButton( this );
+ m_pAddBelow->setPixmap( SmallIcon( "pmaddpoint" ) );
+ m_pRemove = new QPushButton( this );
+ m_pRemove->setPixmap( SmallIcon( "pmremovepoint" ) );
+ connect( m_pAddAbove, SIGNAL( clicked( ) ), SLOT( slotAddPointAbove( ) ) );
+ connect( m_pAddBelow, SIGNAL( clicked( ) ), SLOT( slotAddPointBelow( ) ) );
+ connect( m_pRemove, SIGNAL( clicked( ) ), SLOT( slotRemovePoint( ) ) );
+
+ QVBoxLayout* bl = new QVBoxLayout( hl );
+ bl->addWidget( m_pAddAbove );
+ bl->addWidget( m_pAddBelow );
+ bl->addWidget( m_pRemove );
+ bl->addStretch( 1 );
+
+ m_pOpen = new QCheckBox( i18n( "type of the object", "Open" ), this );
+ topLayout( )->addWidget( m_pOpen );
+ connect( m_pOpen, SIGNAL( clicked( ) ), SIGNAL( dataChanged( ) ) );
+ m_pSturm = new QCheckBox( i18n( "Sturm" ), this );
+ topLayout( )->addWidget( m_pSturm );
+ connect( m_pSturm, SIGNAL( clicked( ) ), SIGNAL( dataChanged( ) ) );
+
+ Base::createBottomWidgets( );
+}
+
+void PMSurfaceOfRevolutionEdit::displayObject( PMObject* o )
+{
+ if( o->isA( "SurfaceOfRevolution" ) )
+ {
+ bool readOnly = o->isReadOnly( );
+ m_pDisplayedObject = ( PMSurfaceOfRevolution* ) o;
+
+ m_pOpen->setChecked( m_pDisplayedObject->open( ) );
+ m_pOpen->setEnabled( !readOnly );
+ m_pSturm->setChecked( m_pDisplayedObject->sturm( ) );
+ m_pSturm->setEnabled( !readOnly );
+ m_pPoints->setVectors( m_pDisplayedObject->points( ), true );
+ updateControlPointSelection( );
+ updatePointButtons( );
+
+ Base::displayObject( o );
+ }
+ else
+ kdError( PMArea ) << "PMSurfaceOfRevolutionEdit: Can't display object\n";
+}
+
+void PMSurfaceOfRevolutionEdit::updateControlPointSelection( )
+{
+ PMControlPointList cp = part( )->activeControlPoints( );
+ PMControlPointListIterator it( cp );
+ int i;
+ int np = cp.count( ) / 2;
+
+ if( np == m_pPoints->size( ) )
+ {
+ m_pPoints->blockSelectionUpdates( true );
+ bool sb = m_pPoints->signalsBlocked( );
+ m_pPoints->blockSignals( true );
+
+ m_pPoints->clearSelection( );
+ for( i = 0; i < np; i++, ++it )
+ if( ( *it )->selected( ) )
+ m_pPoints->select( i );
+ for( i = 0; i < np; i++, ++it )
+ if( ( *it )->selected( ) )
+ m_pPoints->select( i );
+
+ m_pPoints->blockSignals( sb );
+ m_pPoints->blockSelectionUpdates( false );
+ }
+}
+
+void PMSurfaceOfRevolutionEdit::saveContents( )
+{
+ if( m_pDisplayedObject )
+ {
+ m_pDisplayedObject->setPoints( m_pPoints->vectors( ) );
+ m_pDisplayedObject->setOpen( m_pOpen->isChecked( ) );
+ m_pDisplayedObject->setSturm( m_pSturm->isChecked( ) );
+ Base::saveContents( );
+ }
+}
+
+bool PMSurfaceOfRevolutionEdit::isDataValid( )
+{
+ if( !m_pPoints->isDataValid( ) )
+ return false;
+
+ int np = m_pPoints->size( );
+ if( np < 4 )
+ {
+ KMessageBox::error( this, i18n( "The surface of revolution object needs at least 4 points." ),
+ i18n( "Error" ) );
+ return false;
+ }
+
+ QValueList<PMVector> points = m_pPoints->vectors( );
+ QValueListIterator<PMVector> it1 = points.begin( );
+ QValueListIterator<PMVector> it2 = it1; ++it2;
+ QValueListIterator<PMVector> it3 = it2; ++it3;
+ int pnr;
+
+ for( pnr = 0; it3 != points.end( ); ++it1, ++it2, ++it3, pnr++ )
+ {
+ if( ( pnr == 0 ) || ( pnr == ( np - 3 ) ) )
+ {
+ if( approxZero( ( *it1 )[1] - ( *it3 )[1], c_sorTolerance ) )
+ {
+ m_pPoints->setCurrentCell( pnr, 1 );
+ KMessageBox::error( this, i18n( "The v coordinate of point %1 and %2 must be different." )
+ .arg( pnr + 1 ).arg( pnr + 3 ),
+ i18n( "Error" ) );
+ return false;
+ }
+ }
+
+ if( pnr != 0 )
+ {
+ if( ( ( *it2 )[1] - ( *it1 )[1] ) < c_sorTolerance )
+ {
+ m_pPoints->setCurrentCell( pnr + 1, 1 );
+ KMessageBox::error( this, i18n( "The v coordinates must be strictly increasing." ),
+ i18n( "Error" ) );
+ return false;
+ }
+ }
+ }
+
+ return Base::isDataValid( );
+}
+
+void PMSurfaceOfRevolutionEdit::slotAddPointAbove( )
+{
+ int index = m_pPoints->currentRow( );
+ if( index >= 0 )
+ {
+ QValueList<PMVector> points = m_pPoints->vectors( );
+ QValueListIterator<PMVector> it = points.at( index );
+
+ if( it != points.end( ) )
+ {
+ QValueListIterator<PMVector> it2 = it;
+ it2--;
+ PMVector v;
+ if( it2 == points.end( ) )
+ v = *it;
+ else
+ v = ( *it + *it2 ) / 2;
+
+ points.insert( it, v );
+ m_pPoints->setVectors( points, true );
+ updatePointButtons( );
+ emit dataChanged( );
+ }
+ }
+}
+
+void PMSurfaceOfRevolutionEdit::slotAddPointBelow( )
+{
+ int index = m_pPoints->currentRow( );
+ if( index >= 0 )
+ {
+ QValueList<PMVector> points = m_pPoints->vectors( );
+ QValueListIterator<PMVector> it = points.at( index );
+
+ if( it != points.end( ) )
+ {
+ QValueListIterator<PMVector> it2 = it;
+ it2++;
+ PMVector v;
+ if( it2 == points.end( ) )
+ v = *it;
+ else
+ v = ( *it + *it2 ) / 2;
+
+ points.insert( it2, v );
+ m_pPoints->setVectors( points, true );
+ m_pPoints->setCurrentCell( index + 1, m_pPoints->currentColumn( ) );
+ updatePointButtons( );
+ emit dataChanged( );
+ }
+ }
+}
+
+void PMSurfaceOfRevolutionEdit::slotRemovePoint( )
+{
+ int row = m_pPoints->currentRow( );
+
+ if( row >= 0 )
+ {
+ QValueList<PMVector> points = m_pPoints->vectors( );
+ QValueListIterator<PMVector> it = points.at( row );
+
+ if( it != points.end( ) && points.size( ) > 1 )
+ {
+ points.remove( it );
+ m_pPoints->setVectors( points, true );
+ updatePointButtons( );
+ emit dataChanged( );
+ }
+ }
+}
+
+void PMSurfaceOfRevolutionEdit::slotSelectionChanged( )
+{
+ PMControlPointList cp = part( )->activeControlPoints( );
+ PMControlPointListIterator it( cp );
+ int np = cp.count( ) / 2;
+ int i;
+
+ if( np == m_pPoints->size( ) )
+ {
+ for( i = 0; i < np; i++, ++it )
+ ( *it )->setSelected( m_pPoints->isSelected( i ) );
+ for( i = 0; i < np; i++, ++it )
+ ( *it )->setSelected( m_pPoints->isSelected( i ) );
+ emit controlPointSelectionChanged( );
+ }
+ updatePointButtons( );
+}
+
+void PMSurfaceOfRevolutionEdit::updatePointButtons( )
+{
+ int row = m_pPoints->currentRow( );
+ m_pAddAbove->setEnabled( row >= 0 );
+ m_pAddBelow->setEnabled( row >= 0 );
+ m_pRemove->setEnabled( row >= 0 && m_pPoints->size( ) > 4 );
+}
+
+#include "pmsoredit.moc"
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 13:26:31 +0000