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diff --git a/kig/misc/kiginputdialog.cc b/kig/misc/kiginputdialog.cc
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+/**
+   This file is part of Kig, a KDE program for Interactive Geometry...
+   Copyright (C) 2005  Pino Toscano <toscano.pino@tiscali.it>
+
+   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.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
+   USA
+**/
+
+#include "kiginputdialog.h"
+#include "kiginputdialog.moc"
+
+#include "coordinate.h"
+#include "coordinate_system.h"
+#include "goniometry.h"
+
+#include "../kig/kig_document.h"
+
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qpushbutton.h>
+#include <qvalidator.h>
+#include <qwhatsthis.h>
+
+#include <kcombobox.h>
+#include <kdebug.h>
+#include <klineedit.h>
+#include <klocale.h>
+#include <ktextedit.h>
+
+class KigInputDialogPrivate
+{
+public:
+  KigInputDialogPrivate();
+
+  QLabel* m_label;
+  KLineEdit* m_lineEditFirst;
+  KLineEdit* m_lineEditSecond;
+  KComboBox* m_comboBox;
+  KTextEdit* m_textEdit;
+
+  Coordinate m_coord1;
+  Coordinate m_coord2;
+  KigDocument m_doc;
+  QValidator* m_vtor;
+  Goniometry m_gonio;
+  bool m_gonioIsNum;
+};
+
+KigInputDialogPrivate::KigInputDialogPrivate()
+  : m_label( 0L ), m_lineEditFirst( 0L ), m_lineEditSecond( 0L ), m_comboBox( 0L ),
+    m_textEdit( 0L )
+{
+}
+
+KigInputDialog::KigInputDialog( const QString& caption, const QString& label,
+      QWidget* parent, const KigDocument& doc, Coordinate* c1, Coordinate* c2 )
+  : KDialogBase( parent, "kigdialog", true, caption, Ok|Cancel, Cancel, true ),
+    d( new KigInputDialogPrivate() )
+{
+  d->m_coord1 = c1 ? Coordinate( *c1 ) : Coordinate::invalidCoord();
+  d->m_coord2 = c2 ? Coordinate( *c2 ) : Coordinate::invalidCoord();
+  d->m_doc = doc;
+  d->m_vtor = d->m_doc.coordinateSystem().coordinateValidator();
+
+  int deltay = 0;
+  bool ok = false;
+
+  QFrame* frame = makeMainWidget();
+  QVBoxLayout* mainlay = new QVBoxLayout( frame, 0, spacingHint() );
+  mainlay->activate();
+
+  d->m_textEdit = new KTextEdit( frame );
+  d->m_textEdit->setText( label );
+  d->m_textEdit->setReadOnly( true );
+  d->m_textEdit->setFocusPolicy( NoFocus );
+//  d->m_textEdit->setAlignment( d->m_textEdit->alignment() | Qt::WordBreak );
+  d->m_textEdit->setFrameStyle( QFrame::NoFrame );
+  mainlay->addWidget( d->m_textEdit );
+
+  d->m_lineEditFirst = new KLineEdit( frame );
+//  d->m_lineEditFirst->setValidator( d->m_vtor );
+  if ( d->m_coord1.valid() )
+  {
+    d->m_lineEditFirst->setText( d->m_doc.coordinateSystem().fromScreen( d->m_coord1, d->m_doc ) );
+    ok = true;
+  }
+  mainlay->addWidget( d->m_lineEditFirst );
+
+  connect( d->m_lineEditFirst, SIGNAL(textChanged(const QString&)),
+           this, SLOT(slotCoordsChanged(const QString&)) );
+
+  if ( d->m_coord2.valid() )
+  {
+    d->m_lineEditSecond = new KLineEdit( frame );
+//    d->m_lineEditSecond->setValidator( d->m_vtor );
+    d->m_lineEditSecond->setText( d->m_doc.coordinateSystem().fromScreen( d->m_coord2, d->m_doc ) );
+    mainlay->addWidget( d->m_lineEditSecond );
+
+    connect( d->m_lineEditSecond, SIGNAL(textChanged(const QString&)),
+             this, SLOT(slotCoordsChanged(const QString&)) );
+
+    deltay += d->m_lineEditSecond->height() + spacingHint();
+  }
+
+  resize( 400, 160 + deltay );
+
+  d->m_lineEditFirst->setFocus();
+
+  enableButtonOK( ok );
+}
+
+KigInputDialog::KigInputDialog( QWidget* parent, const Goniometry& g )
+  : KDialogBase( parent, "kigdialog", true, i18n( "Set Angle Size" ), Ok|Cancel, Cancel, true ),
+    d( new KigInputDialogPrivate() )
+{
+  d->m_gonio = g;
+  d->m_gonioIsNum = true;
+
+  QFrame* frame = makeMainWidget();
+  QVBoxLayout* mainlay = new QVBoxLayout( frame, 0, spacingHint() );
+  mainlay->activate();
+
+  d->m_label = new QLabel( frame );
+  d->m_label->setText( i18n( "Insert the new size of this angle:" ) );
+  mainlay->addWidget( d->m_label );
+
+  QHBoxLayout* horlay = new QHBoxLayout( 0, 0, spacingHint() );
+  horlay->activate();
+
+  d->m_lineEditFirst = new KLineEdit( frame );
+  d->m_lineEditFirst->setText( QString::number( d->m_gonio.value() ) );
+  QWhatsThis::add(
+        d->m_lineEditFirst,
+        i18n( "Use this edit field to modify the size of this angle." ) );
+  horlay->addWidget( d->m_lineEditFirst );
+
+  d->m_comboBox = new KComboBox( frame );
+  d->m_comboBox->insertStringList( Goniometry::systemList() );
+  d->m_comboBox->setCurrentItem( d->m_gonio.system() );
+  QWhatsThis::add(
+        d->m_comboBox,
+        i18n( "Choose from this list the goniometric unit you want to use to "
+              "modify the size of this angle.<br>\n"
+              "If you switch to another unit, the value in the edit field on "
+              "the left will be converted to the new selected unit." ) );
+  horlay->addWidget( d->m_comboBox );
+
+  mainlay->addLayout( horlay );
+
+  connect( d->m_lineEditFirst, SIGNAL(textChanged(const QString&)),
+           this, SLOT(slotGonioTextChanged(const QString&)) );
+  connect( d->m_comboBox, SIGNAL(activated(int)),
+           this, SLOT(slotGonioSystemChanged(int)) );
+
+  resize( 350, 100 );
+
+  d->m_lineEditFirst->setFocus();
+}
+
+void KigInputDialog::keyPressEvent( QKeyEvent* e )
+{
+  if ( ( e->key() == Qt::Key_Return ) && ( e->state() == 0 ) )
+  {
+    if ( actionButton( Ok )->isEnabled() )
+    {
+      actionButton( Ok )->animateClick();
+      e->accept();
+      return;
+    }
+  }
+  else  if ( ( e->key() == Qt::Key_Escape ) && ( e->state() == 0 ) )
+  {
+    actionButton( Cancel )->animateClick();
+    e->accept();
+    return;
+  }
+
+}
+
+void KigInputDialog::slotCoordsChanged( const QString& )
+{
+  int p = 0;
+  QString t = d->m_lineEditFirst->text();
+  bool ok = d->m_vtor->validate( t, p ) == QValidator::Acceptable;
+  if ( ok )
+    d->m_coord1 = d->m_doc.coordinateSystem().toScreen( t, ok );
+  if ( d->m_lineEditSecond )
+  {
+    p = 0;
+    t = d->m_lineEditSecond->text();
+    ok &= d->m_vtor->validate( t, p ) == QValidator::Acceptable;
+    if ( ok )
+      d->m_coord2 = d->m_doc.coordinateSystem().toScreen( t, ok );
+  }
+
+  enableButtonOK( ok );
+}
+
+void KigInputDialog::slotGonioSystemChanged( int index )
+{
+  if ( d->m_gonioIsNum )
+  {
+    Goniometry::System newsys = Goniometry::intToSystem( index );
+    d->m_gonio.convertTo( newsys );
+    d->m_lineEditFirst->setText( QString::number( d->m_gonio.value() ) );
+  }
+}
+
+void KigInputDialog::slotGonioTextChanged( const QString& txt )
+{
+  if ( txt.isNull() )
+    d->m_gonioIsNum = false;
+  else
+  {
+    double v = txt.toDouble( &(d->m_gonioIsNum) );
+    d->m_gonio.setValue( v );
+  }
+  enableButtonOK( d->m_gonioIsNum );
+}
+
+
+Coordinate KigInputDialog::coordinateFirst() const
+{
+  return d->m_coord1;
+}
+
+Coordinate KigInputDialog::coordinateSecond() const
+{
+  return d->m_coord2;
+}
+
+Goniometry KigInputDialog::goniometry() const
+{
+  return d->m_gonio;
+}
+
+void KigInputDialog::getCoordinate( const QString& caption, const QString& label,
+      QWidget* parent, bool* ok, const KigDocument& doc, Coordinate* cvalue )
+{
+  getTwoCoordinates( caption, label, parent, ok, doc, cvalue, 0 );
+}
+
+void KigInputDialog::getTwoCoordinates( const QString& caption, const QString& label,
+      QWidget* parent, bool* ok, const KigDocument& doc, Coordinate* cvalue,
+      Coordinate* cvalue2 )
+{
+  KigInputDialog dlg( caption, label, parent, doc, cvalue, cvalue2 );
+
+  *ok = ( dlg.exec() == Accepted );
+
+  if ( *ok )
+  {
+    Coordinate a = dlg.coordinateFirst();
+    *cvalue = a;
+    if ( cvalue2 )
+    {
+      Coordinate b = dlg.coordinateSecond();
+      *cvalue2 = b;
+    }
+  }
+
+}
+
+Goniometry KigInputDialog::getAngle( QWidget* parent, bool* ok, const Goniometry& g )
+{
+  KigInputDialog dlg( parent, g );
+
+  *ok = ( dlg.exec() == Accepted );
+
+  return dlg.goniometry();
+}