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, 282 insertions, 0 deletions

diff --git a/kpovmodeler/pmsoredit.cpp b/kpovmodeler/pmsoredit.cpp
new file mode 100644
index 00000000..b56949e6
--- /dev/null
+++ b/kpovmodeler/pmsoredit.cpp
@@ -0,0 +1,282 @@
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2002 by Andreas Zehender
+    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 "pmsoredit.h"
+#include "pmsor.h"
+#include "pmvectorlistedit.h"
+#include "pmpart.h"
+
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qtooltip.h>
+#include <qcombobox.h>
+#include <qcheckbox.h>
+#include <qpushbutton.h>
+#include <klocale.h>
+#include <kdialog.h>
+#include <kiconloader.h>
+#include <kmessagebox.h>
+
+PMSurfaceOfRevolutionEdit::PMSurfaceOfRevolutionEdit( QWidget* parent, const char* name )
+      : Base( parent, name )
+{
+   m_pDisplayedObject = 0;
+}
+
+void PMSurfaceOfRevolutionEdit::createBottomWidgets( )
+{
+   topLayout( )->addWidget( new QLabel( i18n( "Spline points:" ), this ) );
+   
+   m_pPoints = new PMVectorListEdit( "u", "v", this );
+   connect( m_pPoints, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) );
+   connect( m_pPoints, SIGNAL( selectionChanged( ) ),
+            SLOT( slotSelectionChanged( ) ) );
+   QHBoxLayout* hl = new QHBoxLayout( topLayout( ) );
+   hl->addWidget( m_pPoints, 2 );
+
+   m_pAddAbove = new QPushButton( this );
+   m_pAddAbove->setPixmap( SmallIcon( "pmaddpointabove" ) );
+   m_pAddBelow = new QPushButton( this );
+   m_pAddBelow->setPixmap( SmallIcon( "pmaddpoint" ) );
+   m_pRemove = new QPushButton( this );
+   m_pRemove->setPixmap( SmallIcon( "pmremovepoint" ) );
+   connect( m_pAddAbove, SIGNAL( clicked( ) ), SLOT( slotAddPointAbove( ) ) );
+   connect( m_pAddBelow, SIGNAL( clicked( ) ), SLOT( slotAddPointBelow( ) ) );
+   connect( m_pRemove, SIGNAL( clicked( ) ), SLOT( slotRemovePoint( ) ) );
+
+   QVBoxLayout* bl = new QVBoxLayout( hl );
+   bl->addWidget( m_pAddAbove );
+   bl->addWidget( m_pAddBelow );
+   bl->addWidget( m_pRemove );
+   bl->addStretch( 1 );
+   
+   m_pOpen = new QCheckBox( i18n( "type of the object", "Open" ), this );
+   topLayout( )->addWidget( m_pOpen );
+   connect( m_pOpen, SIGNAL( clicked( ) ), SIGNAL( dataChanged( ) ) );
+   m_pSturm = new QCheckBox( i18n( "Sturm" ), this );
+   topLayout( )->addWidget( m_pSturm );
+   connect( m_pSturm, SIGNAL( clicked( ) ), SIGNAL( dataChanged( ) ) );
+
+   Base::createBottomWidgets( );
+}
+
+void PMSurfaceOfRevolutionEdit::displayObject( PMObject* o )
+{
+   if( o->isA( "SurfaceOfRevolution" ) )
+   {
+      bool readOnly = o->isReadOnly( );
+      m_pDisplayedObject = ( PMSurfaceOfRevolution* ) o;
+
+      m_pOpen->setChecked( m_pDisplayedObject->open( ) );
+      m_pOpen->setEnabled( !readOnly );
+      m_pSturm->setChecked( m_pDisplayedObject->sturm( ) );
+      m_pSturm->setEnabled( !readOnly );
+      m_pPoints->setVectors( m_pDisplayedObject->points( ), true );
+      updateControlPointSelection( );
+      updatePointButtons( );
+
+      Base::displayObject( o );
+   }
+   else
+      kdError( PMArea ) << "PMSurfaceOfRevolutionEdit: Can't display object\n";
+}
+
+void PMSurfaceOfRevolutionEdit::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 PMSurfaceOfRevolutionEdit::saveContents( )
+{
+   if( m_pDisplayedObject )
+   {
+      m_pDisplayedObject->setPoints( m_pPoints->vectors( ) );
+      m_pDisplayedObject->setOpen( m_pOpen->isChecked( ) );
+      m_pDisplayedObject->setSturm( m_pSturm->isChecked( ) );
+      Base::saveContents( );
+   }
+}
+
+bool PMSurfaceOfRevolutionEdit::isDataValid( )
+{
+   if( !m_pPoints->isDataValid( ) )
+      return false;
+
+   int np = m_pPoints->size( );
+   if( np < 4 )
+   {
+      KMessageBox::error( this, i18n( "The surface of revolution object needs at least 4 points." ),
+                          i18n( "Error" ) );
+      return false;
+   }
+   
+   QValueList<PMVector> points = m_pPoints->vectors( );
+   QValueListIterator<PMVector> it1 = points.begin( );
+   QValueListIterator<PMVector> it2 = it1; ++it2;
+   QValueListIterator<PMVector> it3 = it2; ++it3;
+   int pnr;
+
+   for( pnr = 0; it3 != points.end( ); ++it1, ++it2, ++it3, pnr++ )
+   {
+      if( ( pnr == 0 ) || ( pnr == ( np - 3 ) ) )
+      {
+         if( approxZero( ( *it1 )[1] - ( *it3 )[1], c_sorTolerance ) )
+         {
+            m_pPoints->setCurrentCell( pnr, 1 );            
+            KMessageBox::error( this, i18n( "The v coordinate of point %1 and %2 must be different." )
+                                .arg( pnr + 1 ).arg( pnr + 3 ),
+                                i18n( "Error" ) );
+            return false;
+         }
+      }
+
+      if( pnr != 0 )
+      {
+         if( ( ( *it2 )[1] - ( *it1 )[1] ) < c_sorTolerance )
+         {
+            m_pPoints->setCurrentCell( pnr + 1, 1 );            
+            KMessageBox::error( this, i18n( "The v coordinates must be strictly increasing." ),
+                                i18n( "Error" ) );
+            return false;
+         }
+      }
+   }
+   
+   return Base::isDataValid( );
+}
+
+void PMSurfaceOfRevolutionEdit::slotAddPointAbove( )
+{
+   int index = m_pPoints->currentRow( );
+   if( index >= 0 )
+   {
+      QValueList<PMVector> points = m_pPoints->vectors( );
+      QValueListIterator<PMVector> it = points.at( index );
+
+      if( it != points.end( ) )
+      {
+         QValueListIterator<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( );
+      }
+   }
+}
+
+void PMSurfaceOfRevolutionEdit::slotAddPointBelow( )
+{
+   int index = m_pPoints->currentRow( );
+   if( index >= 0 )
+   {
+      QValueList<PMVector> points = m_pPoints->vectors( );
+      QValueListIterator<PMVector> it = points.at( index );
+
+      if( it != points.end( ) )
+      {
+         QValueListIterator<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( );
+      }
+   }
+}
+
+void PMSurfaceOfRevolutionEdit::slotRemovePoint( )
+{
+   int row = m_pPoints->currentRow( );
+
+   if( row >= 0 )
+   {
+      QValueList<PMVector> points = m_pPoints->vectors( );
+      QValueListIterator<PMVector> it = points.at( row );
+      
+      if( it != points.end( ) && points.size( ) > 1 )
+      {
+         points.remove( it );
+         m_pPoints->setVectors( points, true );
+         updatePointButtons( );
+         emit dataChanged( );
+      }
+   }
+}
+
+void PMSurfaceOfRevolutionEdit::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 PMSurfaceOfRevolutionEdit::updatePointButtons( )
+{
+   int row = m_pPoints->currentRow( );
+   m_pAddAbove->setEnabled( row >= 0 );
+   m_pAddBelow->setEnabled( row >= 0 );
+   m_pRemove->setEnabled( row >= 0 && m_pPoints->size( ) > 4 );
+}
+
+#include "pmsoredit.moc"