Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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                : lsk@if.ufrj.br
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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"