diff options
Diffstat (limited to 'kpovmodeler/pmplaneedit.cpp')
-rw-r--r-- | kpovmodeler/pmplaneedit.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/kpovmodeler/pmplaneedit.cpp b/kpovmodeler/pmplaneedit.cpp new file mode 100644 index 00000000..62e7e08e --- /dev/null +++ b/kpovmodeler/pmplaneedit.cpp @@ -0,0 +1,124 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2001 by Leonardo Skorianez + email : [email protected] +************************************************************************** + +************************************************************************** +* * +* 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 "pmplaneedit.h" +#include "pmplane.h" +#include "pmvectoredit.h" +#include "pmlineedits.h" + +#include <qlayout.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qcheckbox.h> +#include <klocale.h> +#include <kmessagebox.h> + +PMPlaneEdit::PMPlaneEdit( QWidget* parent, const char* name ) + : Base( parent, name ) +{ + m_pDisplayedObject = 0; +} + +void PMPlaneEdit::createTopWidgets( ) +{ + Base::createTopWidgets( ); + + QHBoxLayout* layout; + + m_pNormal = new PMVectorEdit( "x", "y", "z", this ); + m_pDistance = new PMFloatEdit( this ); + + layout = new QHBoxLayout( topLayout( ) ); + layout->addWidget( new QLabel( i18n( "Normal:" ), this ) ); + layout->addWidget( m_pNormal ); + + layout = new QHBoxLayout( topLayout( ) ); + layout->addWidget( new QLabel( i18n( "Distance:" ), this ) ); + layout->addWidget( m_pDistance ); + layout->addStretch( 1 ); + + QPushButton* nb = new QPushButton( i18n( "Normalize" ), this ); + layout = new QHBoxLayout( topLayout( ) ); + layout->addWidget( nb ); + layout->addStretch( 1 ); + + connect( m_pNormal, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) ); + connect( m_pDistance, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) ); + connect( nb, SIGNAL( clicked( ) ), SLOT( slotNormalize( ) ) ); +} + +void PMPlaneEdit::slotNormalize( ) +{ + PMVector normal = m_pNormal->vector( ); + double distance = m_pDistance->value( ); + double l = normal.abs( ); + if( !approxZero( l ) ) + { + m_pNormal->setVector( normal / l ); + m_pDistance->setValue( distance * l ); + } +} + +void PMPlaneEdit::displayObject( PMObject* o ) +{ + if( o->isA( "Plane" ) ) + { + bool readOnly = o->isReadOnly( ); + m_pDisplayedObject = ( PMPlane* ) o; + + m_pNormal->setVector( m_pDisplayedObject->normal( ) ); + m_pDistance->setValue( m_pDisplayedObject->distance( ) ); + + m_pNormal->setReadOnly( readOnly ); + m_pDistance->setReadOnly( readOnly ); + + Base::displayObject( o ); + } + else + kdError( PMArea ) << "PMPlaneEdit: Can't display object\n"; +} + +void PMPlaneEdit::saveContents( ) +{ + if( m_pDisplayedObject ) + { + Base::saveContents( ); + m_pDisplayedObject->setNormal( m_pNormal->vector( ) ); + m_pDisplayedObject->setDistance( m_pDistance->value( ) ); + } +} + +bool PMPlaneEdit::isDataValid( ) +{ + if( m_pNormal->isDataValid( ) ) + { + if( approxZero( m_pNormal->vector( ).abs( ) ) ) + { + KMessageBox::error( this, i18n( "The normal vector may not be a " + "null vector." ), + i18n( "Error" ) ); + return false; + + } + if( m_pDistance->isDataValid( ) ) + return Base::isDataValid( ); + } + return false; +} + +#include "pmplaneedit.moc" |