/* ************************************************************************** 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 "pmlatheedit.h" #include "pmlathe.h" #include "pmvectoredit.h" #include "pmvectorlistedit.h" #include "pmpart.h" #include <tqlayout.h> #include <tqlabel.h> #include <tqtooltip.h> #include <tqcombobox.h> #include <tqcheckbox.h> #include <tqpushbutton.h> #include <klocale.h> #include <kdialog.h> #include <kiconloader.h> #include <kmessagebox.h> PMLatheEdit::PMLatheEdit( TQWidget* tqparent, const char* name ) : Base( tqparent, name ) { m_pDisplayedObject = 0; } void PMLatheEdit::createTopWidgets( ) { Base::createTopWidgets( ); TQHBoxLayout* hl = new TQHBoxLayout( topLayout( ) ); hl->addWidget( new TQLabel( i18n( "Spline type:" ), this ) ); m_pSplineType = new TQComboBox( false, this ); m_pSplineType->insertItem( i18n( "Linear Spline" ) ); m_pSplineType->insertItem( i18n( "Quadratic Spline" ) ); m_pSplineType->insertItem( i18n( "Cubic Spline" ) ); m_pSplineType->insertItem( i18n( "Bezier Spline" ) ); hl->addWidget( m_pSplineType ); hl->addStretch( 1 ); connect( m_pSplineType, TQT_SIGNAL( activated( int ) ), TQT_SLOT( slotTypeChanged( int ) ) ); } void PMLatheEdit::createBottomWidgets( ) { topLayout( )->addWidget( new TQLabel( i18n( "Spline points:" ), this ) ); m_pPoints = new PMVectorListEdit( "u", "v", this ); connect( m_pPoints, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) ); connect( m_pPoints, TQT_SIGNAL( selectionChanged( ) ), TQT_SLOT( slotSelectionChanged( ) ) ); TQHBoxLayout* hl = new TQHBoxLayout( topLayout( ) ); hl->addWidget( m_pPoints, 2 ); m_pAddAbove = new TQPushButton( this ); m_pAddAbove->setPixmap( SmallIcon( "pmaddpointabove" ) ); m_pAddBelow = new TQPushButton( this ); m_pAddBelow->setPixmap( SmallIcon( "pmaddpoint" ) ); m_pRemove = new TQPushButton( this ); m_pRemove->setPixmap( SmallIcon( "pmremovepoint" ) ); connect( m_pAddAbove, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotAddPointAbove( ) ) ); connect( m_pAddBelow, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotAddPointBelow( ) ) ); connect( m_pRemove, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotRemovePoint( ) ) ); TQVBoxLayout* bl = new TQVBoxLayout( hl ); bl->addWidget( m_pAddAbove ); bl->addWidget( m_pAddBelow ); bl->addWidget( m_pRemove ); bl->addStretch( 1 ); m_pSturm = new TQCheckBox( i18n( "Sturm" ), this ); topLayout( )->addWidget( m_pSturm ); connect( m_pSturm, TQT_SIGNAL( clicked( ) ), TQT_SIGNAL( dataChanged( ) ) ); Base::createBottomWidgets( ); } void PMLatheEdit::displayObject( PMObject* o ) { if( o->isA( "Lathe" ) ) { bool readOnly = o->isReadOnly( ); m_pDisplayedObject = ( PMLathe* ) o; switch( m_pDisplayedObject->splineType( ) ) { case PMLathe::LinearSpline: m_pSplineType->setCurrentItem( 0 ); break; case PMLathe::QuadraticSpline: m_pSplineType->setCurrentItem( 1 ); break; case PMLathe::CubicSpline: m_pSplineType->setCurrentItem( 2 ); break; case PMLathe::BezierSpline: m_pSplineType->setCurrentItem( 3 ); break; } m_pSplineType->setEnabled( !readOnly ); m_pSturm->setChecked( m_pDisplayedObject->sturm( ) ); m_pSturm->setEnabled( !readOnly ); m_pPoints->setReadOnly( readOnly ); m_pPoints->setVectors( m_pDisplayedObject->points( ), true ); updateControlPointSelection( ); updatePointButtons( ); Base::displayObject( o ); } else kdError( PMArea ) << "PMLatheEdit: Can't display object\n"; } void PMLatheEdit::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 PMLatheEdit::saveContents( ) { if( m_pDisplayedObject ) { m_pDisplayedObject->setPoints( m_pPoints->vectors( ) ); switch( m_pSplineType->currentItem( ) ) { case 0: m_pDisplayedObject->setSplineType( PMLathe::LinearSpline ); break; case 1: m_pDisplayedObject->setSplineType( PMLathe::QuadraticSpline ); break; case 2: m_pDisplayedObject->setSplineType( PMLathe::CubicSpline ); break; case 3: m_pDisplayedObject->setSplineType( PMLathe::BezierSpline ); break; } m_pDisplayedObject->setSturm( m_pSturm->isChecked( ) ); Base::saveContents( ); } } bool PMLatheEdit::isDataValid( ) { if( !m_pPoints->isDataValid( ) ) return false; int np = m_pPoints->size( ); switch( m_pSplineType->currentItem( ) ) { case 0: if( np < 2 ) { KMessageBox::error( this, i18n( "Linear splines need at least 2 points." ), i18n( "Error" ) ); return false; } break; case 1: if( np < 3 ) { KMessageBox::error( this, i18n( "Quadratic splines need at least 3 points." ), i18n( "Error" ) ); return false; } break; case 2: if( np < 4 ) { KMessageBox::error( this, i18n( "Cubic splines need at least 4 points." ), i18n( "Error" ) ); return false; } break; case 3: if( ( np < 4 ) || ( ( np % 4 ) != 0 ) ) { KMessageBox::error( this, i18n( "Bezier splines need 4 points for each segment." ), i18n( "Error" ) ); return false; } break; } return Base::isDataValid( ); } void PMLatheEdit::slotTypeChanged( int ) { emit dataChanged( ); } void PMLatheEdit::slotAddPointAbove( ) { int index = m_pPoints->currentRow( ); if( index >= 0 ) { TQValueList<PMVector> points = m_pPoints->vectors( ); TQValueListIterator<PMVector> it = points.at( index ); if( it != points.end( ) ) { TQValueListIterator<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( ); emit sizeChanged( ); } } } void PMLatheEdit::slotAddPointBelow( ) { int index = m_pPoints->currentRow( ); if( index >= 0 ) { TQValueList<PMVector> points = m_pPoints->vectors( ); TQValueListIterator<PMVector> it = points.at( index ); if( it != points.end( ) ) { TQValueListIterator<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( ); emit sizeChanged( ); } } } void PMLatheEdit::slotRemovePoint( ) { int row = m_pPoints->currentRow( ); if( row >= 0 ) { TQValueList<PMVector> points = m_pPoints->vectors( ); TQValueListIterator<PMVector> it = points.at( row ); if( it != points.end( ) && points.size( ) > 1 ) { points.remove( it ); m_pPoints->setVectors( points, true ); updatePointButtons( ); emit dataChanged( ); emit sizeChanged( ); } } } void PMLatheEdit::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 PMLatheEdit::updatePointButtons( ) { int row = m_pPoints->currentRow( ); m_pAddAbove->setEnabled( row >= 0 ); m_pAddBelow->setEnabled( row >= 0 ); m_pRemove->setEnabled( row >= 0 && m_pPoints->size( ) > 2 ); } #include "pmlatheedit.moc"