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274 lines
7.8 KiB
274 lines
7.8 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmtriangleedit.h"
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#include "pmtriangle.h"
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#include "pmvectoredit.h"
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#include <tqlayout.h>
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#include <tqlabel.h>
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#include <tqcheckbox.h>
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#include <tqpushbutton.h>
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#include <tdelocale.h>
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#include <tdemessagebox.h>
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PMTriangleEdit::PMTriangleEdit( TQWidget* parent, const char* name )
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: Base( parent, name )
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{
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m_pDisplayedObject = 0;
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}
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void PMTriangleEdit::createTopWidgets( )
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{
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Base::createTopWidgets( );
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int i;
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TQHBoxLayout *hl = new TQHBoxLayout( topLayout( ) );
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m_pSmooth = new TQCheckBox( i18n( "Smooth" ), this );
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hl->addWidget( m_pSmooth );
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connect( m_pSmooth, TQ_SIGNAL( toggled( bool ) ),
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TQ_SLOT( slotSmoothChecked( bool ) ) );
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m_pUVEnabled = new TQCheckBox( i18n( "UV vectors" ), this );
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hl->addWidget( m_pUVEnabled );
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connect( m_pUVEnabled, TQ_SIGNAL( toggled( bool ) ),
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TQ_SLOT( slotUVVectorsChecked( bool ) ) );
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TQGridLayout* gl = new TQGridLayout( topLayout( ), 9, 2 );
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for( i = 0; i < 3; i++ )
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{
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m_pPoint[i] = new PMVectorEdit( "x", "y", "z", this );
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gl->addWidget( new TQLabel( i18n( "Point %1:" ).arg( i+1 ), this ),
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i * 3, 0 );
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gl->addWidget( m_pPoint[i], i * 3, 1 );
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connect( m_pPoint[i], TQ_SIGNAL( dataChanged( ) ),
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TQ_SIGNAL( dataChanged( ) ) );
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m_pNormal[i] = new PMVectorEdit( "x", "y", "z", this );
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m_pNormalLabel[i] = new TQLabel( i18n( "Normal %1:" ).arg( i+1 ), this );
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gl->addWidget( m_pNormalLabel[i], i * 3 + 1, 0 );
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gl->addWidget( m_pNormal[i], i * 3 + 1, 1 );
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connect( m_pNormal[i], TQ_SIGNAL( dataChanged( ) ),
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TQ_SIGNAL( dataChanged( ) ) );
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m_pUVVector[i] = new PMVectorEdit( "u", "v", this );
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m_pUVVectorLabel[i] = new TQLabel( i18n( "UV vector %1:" ).arg( i+1 ), this );
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gl->addWidget( m_pUVVectorLabel[i], i * 3 + 2, 0 );
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gl->addWidget( m_pUVVector[i], i * 3 + 2, 1 );
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connect( m_pUVVector[i], TQ_SIGNAL( dataChanged( ) ),
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TQ_SIGNAL( dataChanged( ) ) );
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}
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hl = new TQHBoxLayout( topLayout( ) );
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m_pMirror = new TQPushButton( i18n( "Invert Normal Vectors" ), this );
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hl->addWidget( m_pMirror );
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hl->addStretch( 1 );
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connect( m_pMirror, TQ_SIGNAL( clicked( ) ), TQ_SLOT( slotInvertNormals( ) ) );
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}
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void PMTriangleEdit::displayObject( PMObject* o )
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{
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if( o->isA( "Triangle" ) )
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{
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bool readOnly = o->isReadOnly( );
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m_pDisplayedObject = ( PMTriangle* ) o;
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bool smooth = m_pDisplayedObject->isSmoothTriangle( );
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bool uvVector = m_pDisplayedObject->isUVEnabled( );
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int i;
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for( i = 0; i < 3; i++ )
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{
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m_pPoint[i]->setVector( m_pDisplayedObject->point( i ) );
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m_pPoint[i]->setReadOnly( readOnly );
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m_pNormal[i]->setVector( m_pDisplayedObject->normal( i ) );
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m_pNormal[i]->setReadOnly( readOnly );
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m_pUVVector[i]->setVector( m_pDisplayedObject->uvVector( i ) );
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m_pUVVector[i]->setReadOnly( readOnly );
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m_pSmooth->setChecked( smooth );
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if( smooth )
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{
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m_pNormal[i]->show( );
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m_pNormalLabel[i]->show( );
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m_pMirror->show( );
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}
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else
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{
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m_pNormal[i]->hide( );
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m_pNormalLabel[i]->hide( );
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m_pMirror->hide( );
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}
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m_pUVEnabled->setChecked( uvVector );
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if( uvVector )
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{
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m_pUVVector[i]->show( );
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m_pUVVectorLabel[i]->show( );
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}
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else
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{
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m_pUVVector[i]->hide( );
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m_pUVVectorLabel[i]->hide( );
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}
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emit sizeChanged( );
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}
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Base::displayObject( o );
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}
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else
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kdError( PMArea ) << "PMTriangleEdit: Can't display object\n";
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}
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void PMTriangleEdit::slotSmoothChecked( bool on )
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{
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int i;
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for( i = 0; i < 3; i++ )
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{
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if( on )
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{
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m_pNormal[i]->show( );
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m_pNormalLabel[i]->show( );
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m_pMirror->show( );
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}
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else
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{
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m_pNormal[i]->hide( );
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m_pNormalLabel[i]->hide( );
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m_pMirror->hide( );
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}
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}
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emit sizeChanged( );
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emit dataChanged( );
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}
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void PMTriangleEdit::slotUVVectorsChecked( bool on )
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{
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int i;
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for( i = 0; i < 3; ++i )
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{
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if( on )
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{
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m_pUVVector[i]->show( );
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m_pUVVectorLabel[i]->show( );
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}
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else
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{
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m_pUVVector[i]->hide( );
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m_pUVVectorLabel[i]->hide( );
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}
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}
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emit sizeChanged( );
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emit dataChanged( );
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}
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void PMTriangleEdit::slotInvertNormals( )
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{
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int i;
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for( i = 0; i < 3; i++ )
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if( !m_pNormal[i]->isDataValid( ) )
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return;
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for( i = 0; i < 3; i++ )
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m_pNormal[i]->setVector( -( m_pNormal[i]->vector( ) ) );
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}
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void PMTriangleEdit::saveContents( )
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{
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int i;
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if( m_pDisplayedObject )
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{
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Base::saveContents( );
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for( i = 0; i < 3; i++ )
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m_pDisplayedObject->setPoint( i, m_pPoint[i]->vector( ) );
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if( m_pSmooth->isChecked( ) )
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{
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m_pDisplayedObject->setSmoothTriangle( true );
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for( i = 0; i < 3; i++ )
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m_pDisplayedObject->setNormal( i, m_pNormal[i]->vector( ) );
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}
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else
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m_pDisplayedObject->setSmoothTriangle( false );
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if( m_pUVEnabled->isChecked( ) )
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{
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m_pDisplayedObject->enableUV( true );
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for( i = 0; i < 3; ++i )
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m_pDisplayedObject->setUVVector( i, m_pUVVector[i]->vector( ) );
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}
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else
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m_pDisplayedObject->enableUV( false );
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}
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}
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bool PMTriangleEdit::isDataValid( )
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{
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int i;
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for( i = 0; i < 3; i++ )
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if( !m_pPoint[i]->isDataValid( ) )
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return false;
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PMVector p0 = m_pPoint[0]->vector( ),
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p1 = m_pPoint[1]->vector( ),
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p2 = m_pPoint[2]->vector( );
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if( p0.approxEqual( p1 ) || p1.approxEqual( p2 ) || p0.approxEqual( p2 ) )
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{
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KMessageBox::error( this, i18n( "Please enter a valid triangle." ),
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i18n( "Error" ) );
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return false;
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}
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if( m_pSmooth->isChecked( ) )
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{
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for( i = 0; i < 3; i++ )
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if( !m_pNormal[i]->isDataValid( ) )
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return false;
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PMVector n0 = m_pNormal[0]->vector( ),
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n1 = m_pNormal[1]->vector( ),
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n2 = m_pNormal[2]->vector( );
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PMVector tn = PMVector::cross( p1 - p0, p2 - p0 );
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double c0 = PMVector::dot( tn, n0 ),
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c1 = PMVector::dot( tn, n1 ),
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c2 = PMVector::dot( tn, n2 );
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if( ( ( c0 * c1 ) < 0 ) || ( ( c0 * c2 ) < 0 ) )
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{
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KMessageBox::error( this, i18n( "All normal vectors have to point"
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" to the same side of the triangle." ),
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i18n( "Error" ) );
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return false;
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}
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}
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if( m_pUVEnabled->isChecked( ) )
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{
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for( i = 0; i < 3; ++i )
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if( !m_pUVVector[i]->isDataValid( ) )
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return false;
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}
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return Base::isDataValid( );
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}
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#include "pmtriangleedit.moc"
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