diff options
Diffstat (limited to 'kpovmodeler/pmsoredit.cpp')
-rw-r--r-- | kpovmodeler/pmsoredit.cpp | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/kpovmodeler/pmsoredit.cpp b/kpovmodeler/pmsoredit.cpp new file mode 100644 index 00000000..b56949e6 --- /dev/null +++ b/kpovmodeler/pmsoredit.cpp @@ -0,0 +1,282 @@ +/* +************************************************************************** + 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" |