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tdegraphics/kpovmodeler/pmspheresweepedit.cpp

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/*
**************************************************************************
description
--------------------
copyright : (C) 2003 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 "pmspheresweepedit.h"
#include "pmspheresweep.h"
#include "pmvectoredit.h"
#include "pmlineedits.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 <tdelocale.h>
#include <kdialog.h>
#include <kiconloader.h>
#include <tdemessagebox.h>
PMSphereSweepEdit::PMSphereSweepEdit( TQWidget* parent, const char* name )
: Base( parent, name )
{
m_pDisplayedObject = 0;
}
void PMSphereSweepEdit::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( "B-Spline" ) );
m_pSplineType->insertItem( i18n( "Cubic Spline" ) );
hl->addWidget( m_pSplineType );
hl->addStretch( 1 );
connect( m_pSplineType, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( slotTypeChanged( int ) ) );
}
void PMSphereSweepEdit::createBottomWidgets( )
{
topLayout( )->addWidget( new TQLabel( i18n( "Spheres:" ), this ) );
m_pPoints = new PMVectorListEdit( "x", "y", "z", "r", 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 );
hl = new TQHBoxLayout( topLayout( ) );
hl->addWidget( new TQLabel( i18n( "Tolerance" ), this ) );
m_pTolerance = new PMFloatEdit( this );
m_pTolerance->setValidation( true, 0, false, 0 );
hl->addWidget( m_pTolerance );
connect( m_pTolerance, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
Base::createBottomWidgets( );
}
void PMSphereSweepEdit::displayObject( PMObject* o )
{
if( o->isA( "SphereSweep" ) )
{
bool readOnly = o->isReadOnly( );
m_pDisplayedObject = ( PMSphereSweep* ) o;
switch( m_pDisplayedObject->splineType( ) )
{
case PMSphereSweep::LinearSpline:
m_pSplineType->setCurrentItem( 0 );
break;
case PMSphereSweep::BSpline:
m_pSplineType->setCurrentItem( 1 );
break;
case PMSphereSweep::CubicSpline:
m_pSplineType->setCurrentItem( 2 );
break;
}
m_pSplineType->setEnabled( !readOnly );
m_pTolerance->setValue( m_pDisplayedObject->tolerance( ) );
m_pTolerance->setReadOnly( readOnly );
m_pPoints->setReadOnly( readOnly );
TQValueList<PMVector> points = m_pDisplayedObject->points( );
TQValueList<double> radii = m_pDisplayedObject->radii( );
TQValueListIterator<PMVector> pit = points.begin( );
TQValueListIterator<double> rit = radii.begin( );
for( ; pit != points.end( ) && rit != radii.end( ); ++pit, ++rit )
{
( *pit ).resize( 4 );
( *pit )[3] = *rit;
}
m_pPoints->setVectors( points, true );
updateControlPointSelection( );
updatePointButtons( );
Base::displayObject( o );
}
else
kdError( PMArea ) << "PMSphereSweepEdit: Can't display object\n";
}
void PMSphereSweepEdit::updateControlPointSelection( )
{
/*
PMControlPointList cp = part( )->activeControlPoints( );
PMControlPointListIterator it( cp );
int i;
int np = cp.count( ) / 4;
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 PMSphereSweepEdit::saveContents( )
{
if( m_pDisplayedObject )
{
TQValueList<PMVector> points = m_pPoints->vectors( );
TQValueList<double> radii;
TQValueListIterator<PMVector> pit = points.begin( );
for( ; pit != points.end( ); ++pit )
{
radii.append( ( *pit )[3] );
( *pit ).resize( 3 );
}
m_pDisplayedObject->setPoints( points );
m_pDisplayedObject->setRadii( radii );
switch( m_pSplineType->currentItem( ) )
{
case 0:
m_pDisplayedObject->setSplineType( PMSphereSweep::LinearSpline );
break;
case 1:
m_pDisplayedObject->setSplineType( PMSphereSweep::BSpline );
break;
case 2:
m_pDisplayedObject->setSplineType( PMSphereSweep::CubicSpline );
break;
}
m_pDisplayedObject->setTolerance( m_pTolerance->value( ) );
Base::saveContents( );
}
}
bool PMSphereSweepEdit::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 < 4 )
{
KMessageBox::error( this, i18n( "B-splines need at least 4 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 PMSphereSweepEdit::slotTypeChanged( int )
{
emit dataChanged( );
}
void PMSphereSweepEdit::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 PMSphereSweepEdit::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 PMSphereSweepEdit::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 PMSphereSweepEdit::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 PMSphereSweepEdit::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 "pmspheresweepedit.moc"