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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1180 insertions, 0 deletions

diff --git a/kdeui/knuminput.cpp b/kdeui/knuminput.cpp
new file mode 100644
index 000000000..68587dcb4
--- /dev/null
+++ b/kdeui/knuminput.cpp
@@ -0,0 +1,1180 @@
+// -*- c-basic-offset: 4 -*-
+/*
+ * knuminput.cpp
+ *
+ * Initial implementation:
+ *     Copyright (c) 1997 Patrick Dowler <dowler@morgul.fsh.uvic.ca>
+ * Rewritten and maintained by:
+ *     Copyright (c) 2000 Dirk A. Mueller <mueller@kde.org>
+ * KDoubleSpinBox:
+ *     Copyright (c) 2002 Marc Mutz <mutz@kde.org>
+ *
+ *  Requires the Qt widget libraries, available at no cost at
+ *  http://www.troll.no/
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#include <assert.h>
+#include <math.h>
+#include <algorithm>
+
+#include <qapplication.h>
+#include <qlabel.h>
+#include <qlineedit.h>
+#include <qsize.h>
+#include <qslider.h>
+#include <qspinbox.h>
+#include <qstyle.h>
+
+#include <kglobal.h>
+#include <klocale.h>
+#include <kdebug.h>
+
+#include "kdialog.h"
+#include "knumvalidator.h"
+#include "knuminput.h"
+
+static inline int calcDiffByTen( int x, int y ) {
+    // calculate ( x - y ) / 10 without overflowing ints:
+    return ( x / 10 ) - ( y / 10 )  +  ( x % 10 - y % 10 ) / 10;
+}
+
+// ----------------------------------------------------------------------------
+
+KNumInput::KNumInput(QWidget* parent, const char* name)
+    : QWidget(parent, name)
+{
+    init();
+}
+
+KNumInput::KNumInput(KNumInput* below, QWidget* parent, const char* name)
+    : QWidget(parent, name)
+{
+    init();
+
+    if(below) {
+        m_next = below->m_next;
+        m_prev = below;
+        below->m_next = this;
+        if(m_next)
+            m_next->m_prev = this;
+    }
+}
+
+void KNumInput::init()
+{
+    m_prev = m_next = 0;
+    m_colw1 = m_colw2 = 0;
+
+    m_label = 0;
+    m_slider = 0;
+    m_alignment = 0;
+}
+
+KNumInput::~KNumInput()
+{
+    if(m_prev)
+        m_prev->m_next = m_next;
+
+    if(m_next)
+        m_next->m_prev = m_prev;
+}
+
+void KNumInput::setLabel(const QString & label, int a)
+{
+    if(label.isEmpty()) {
+        delete m_label;
+        m_label = 0;
+        m_alignment = 0;
+    }
+    else {
+        if (m_label) m_label->setText(label);
+        else m_label = new QLabel(label, this, "KNumInput::QLabel");
+        m_label->setAlignment((a & (~(AlignTop|AlignBottom|AlignVCenter)))
+                              | AlignVCenter);
+        // if no vertical alignment set, use Top alignment
+        if(!(a & (AlignTop|AlignBottom|AlignVCenter)))
+           a |= AlignTop;
+        m_alignment = a;
+    }
+
+    layout(true);
+}
+
+QString KNumInput::label() const
+{
+    if (m_label) return m_label->text();
+    return QString::null;
+}
+
+void KNumInput::layout(bool deep)
+{
+    int w1 = m_colw1;
+    int w2 = m_colw2;
+
+    // label sizeHint
+    m_sizeLabel = (m_label ? m_label->sizeHint() : QSize(0,0));
+
+    if(m_label && (m_alignment & AlignVCenter))
+        m_colw1 = m_sizeLabel.width() + 4;
+    else
+        m_colw1 = 0;
+
+    // slider sizeHint
+    m_sizeSlider = (m_slider ? m_slider->sizeHint() : QSize(0, 0));
+
+    doLayout();
+
+    if(!deep) {
+        m_colw1 = w1;
+        m_colw2 = w2;
+        return;
+    }
+
+    KNumInput* p = this;
+    while(p) {
+        p->doLayout();
+        w1 = QMAX(w1, p->m_colw1);
+        w2 = QMAX(w2, p->m_colw2);
+        p = p->m_prev;
+    }
+
+    p = m_next;
+    while(p) {
+        p->doLayout();
+        w1 = QMAX(w1, p->m_colw1);
+        w2 = QMAX(w2, p->m_colw2);
+        p = p->m_next;
+    }
+
+    p = this;
+    while(p) {
+        p->m_colw1 = w1;
+        p->m_colw2 = w2;
+        p = p->m_prev;
+    }
+
+    p = m_next;
+    while(p) {
+        p->m_colw1 = w1;
+        p->m_colw2 = w2;
+        p = p->m_next;
+    }
+
+//    kdDebug() << "w1 " << w1 << " w2 " << w2 << endl;
+}
+
+QSizePolicy KNumInput::sizePolicy() const
+{
+    return QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed );
+}
+
+QSize KNumInput::sizeHint() const
+{
+    return minimumSizeHint();
+}
+
+void KNumInput::setSteps(int minor, int major)
+{
+    if(m_slider)
+        m_slider->setSteps( minor, major );
+}
+
+
+// ----------------------------------------------------------------------------
+
+KIntSpinBox::KIntSpinBox(QWidget *parent, const char *name)
+    : QSpinBox(0, 99, 1, parent, name)
+{
+    editor()->setAlignment(AlignRight);
+    val_base = 10;
+    setValue(0);
+}
+
+KIntSpinBox::~KIntSpinBox()
+{
+}
+
+KIntSpinBox::KIntSpinBox(int lower, int upper, int step, int value, int base,
+                         QWidget* parent, const char* name)
+    : QSpinBox(lower, upper, step, parent, name)
+{
+    editor()->setAlignment(AlignRight);
+    val_base = base;
+    setValue(value);
+}
+
+void KIntSpinBox::setBase(int base)
+{
+    val_base = base;
+}
+
+
+int KIntSpinBox::base() const
+{
+    return val_base;
+}
+
+QString KIntSpinBox::mapValueToText(int v)
+{
+    return QString::number(v, val_base);
+}
+
+int KIntSpinBox::mapTextToValue(bool* ok)
+{
+    return cleanText().toInt(ok, val_base);
+}
+
+void KIntSpinBox::setEditFocus(bool mark)
+{
+    editor()->setFocus();
+    if(mark)
+        editor()->selectAll();
+}
+
+
+// ----------------------------------------------------------------------------
+
+class KIntNumInput::KIntNumInputPrivate {
+public:
+    int referencePoint;
+    short blockRelative;
+    KIntNumInputPrivate( int r )
+	: referencePoint( r ),
+	  blockRelative( 0 ) {}
+};
+
+
+KIntNumInput::KIntNumInput(KNumInput* below, int val, QWidget* parent,
+                           int _base, const char* name)
+    : KNumInput(below, parent, name)
+{
+    init(val, _base);
+}
+
+KIntNumInput::KIntNumInput(QWidget *parent, const char *name)
+    : KNumInput(parent, name)
+{
+    init(0, 10);
+}
+
+KIntNumInput::KIntNumInput(int val, QWidget *parent, int _base, const char *name)
+    : KNumInput(parent, name)
+{
+    init(val, _base);
+
+}
+
+void KIntNumInput::init(int val, int _base)
+{
+    d = new KIntNumInputPrivate( val );
+    m_spin = new KIntSpinBox(INT_MIN, INT_MAX, 1, val, _base, this, "KIntNumInput::KIntSpinBox");
+    // the KIntValidator is broken beyond believe for
+    // spinboxes which have suffix or prefix texts, so
+    // better don't use it unless absolutely necessary
+    if (_base != 10)
+        m_spin->setValidator(new KIntValidator(this, _base, "KNumInput::KIntValidtr"));
+
+    connect(m_spin, SIGNAL(valueChanged(int)), SLOT(spinValueChanged(int)));
+    connect(this, SIGNAL(valueChanged(int)),
+	    SLOT(slotEmitRelativeValueChanged(int)));
+
+    setFocusProxy(m_spin);
+    layout(true);
+}
+
+void KIntNumInput::setReferencePoint( int ref ) {
+    // clip to valid range:
+    ref = kMin( maxValue(), kMax( minValue(),  ref ) );
+    d->referencePoint = ref;
+}
+
+int KIntNumInput::referencePoint() const {
+    return d->referencePoint;
+}
+
+void KIntNumInput::spinValueChanged(int val)
+{
+    if(m_slider)
+        m_slider->setValue(val);
+
+    emit valueChanged(val);
+}
+
+void KIntNumInput::slotEmitRelativeValueChanged( int value ) {
+    if ( d->blockRelative || !d->referencePoint ) return;
+    emit relativeValueChanged( double( value ) / double( d->referencePoint ) );
+}
+
+void KIntNumInput::setRange(int lower, int upper, int step, bool slider)
+{
+    upper = kMax(upper, lower);
+    lower = kMin(upper, lower);
+    m_spin->setMinValue(lower);
+    m_spin->setMaxValue(upper);
+    m_spin->setLineStep(step);
+
+    step = m_spin->lineStep(); // maybe QRangeControl didn't like out lineStep?
+
+    if(slider) {
+	if (m_slider)
+	    m_slider->setRange(lower, upper);
+	else {
+	    m_slider = new QSlider(lower, upper, step, m_spin->value(),
+				   QSlider::Horizontal, this);
+	    m_slider->setTickmarks(QSlider::Below);
+	    connect(m_slider, SIGNAL(valueChanged(int)),
+		    m_spin, SLOT(setValue(int)));
+	}
+
+	// calculate (upper-lower)/10 without overflowing int's:
+        int major = calcDiffByTen( upper, lower );
+	if ( major==0 ) major = step; // #### workaround Qt bug in 2.1-beta4
+
+        m_slider->setSteps(step, major);
+        m_slider->setTickInterval(major);
+    }
+    else {
+        delete m_slider;
+        m_slider = 0;
+    }
+
+    // check that reference point is still inside valid range:
+    setReferencePoint( referencePoint() );
+
+    layout(true);
+}
+
+void KIntNumInput::setMinValue(int min)
+{
+    setRange(min, m_spin->maxValue(), m_spin->lineStep(), m_slider);
+}
+
+int KIntNumInput::minValue() const
+{
+    return m_spin->minValue();
+}
+
+void KIntNumInput::setMaxValue(int max)
+{
+    setRange(m_spin->minValue(), max, m_spin->lineStep(), m_slider);
+}
+
+int KIntNumInput::maxValue() const
+{
+    return m_spin->maxValue();
+}
+
+void KIntNumInput::setSuffix(const QString &suffix)
+{
+    m_spin->setSuffix(suffix);
+
+    layout(true);
+}
+
+QString KIntNumInput::suffix() const
+{
+    return m_spin->suffix();
+}
+
+void KIntNumInput::setPrefix(const QString &prefix)
+{
+    m_spin->setPrefix(prefix);
+
+    layout(true);
+}
+
+QString KIntNumInput::prefix() const
+{
+    return m_spin->prefix();
+}
+
+void KIntNumInput::setEditFocus(bool mark)
+{
+    m_spin->setEditFocus(mark);
+}
+
+QSize KIntNumInput::minimumSizeHint() const
+{
+    constPolish();
+
+    int w;
+    int h;
+
+    h = 2 + QMAX(m_sizeSpin.height(), m_sizeSlider.height());
+
+    // if in extra row, then count it here
+    if(m_label && (m_alignment & (AlignBottom|AlignTop)))
+        h += 4 + m_sizeLabel.height();
+    else
+        // label is in the same row as the other widgets
+        h = QMAX(h, m_sizeLabel.height() + 2);
+
+    w = m_slider ? m_slider->sizeHint().width() + 8 : 0;
+    w += m_colw1 + m_colw2;
+
+    if(m_alignment & (AlignTop|AlignBottom))
+        w = QMAX(w, m_sizeLabel.width() + 4);
+
+    return QSize(w, h);
+}
+
+void KIntNumInput::doLayout()
+{
+    m_sizeSpin = m_spin->sizeHint();
+    m_colw2 = m_sizeSpin.width();
+
+    if (m_label)
+        m_label->setBuddy(m_spin);
+}
+
+void KIntNumInput::resizeEvent(QResizeEvent* e)
+{
+    int w = m_colw1;
+    int h = 0;
+
+    if(m_label && (m_alignment & AlignTop)) {
+        m_label->setGeometry(0, 0, e->size().width(), m_sizeLabel.height());
+        h += m_sizeLabel.height() + KDialog::spacingHint();
+    }
+
+    if(m_label && (m_alignment & AlignVCenter))
+        m_label->setGeometry(0, 0, w, m_sizeSpin.height());
+
+    if (qApp->reverseLayout())
+    {
+        m_spin->setGeometry(w, h, m_slider ? m_colw2 : QMAX(m_colw2, e->size().width() - w), m_sizeSpin.height());
+        w += m_colw2 + 8;
+
+        if(m_slider)
+            m_slider->setGeometry(w, h, e->size().width() - w, m_sizeSpin.height());
+    }
+    else if(m_slider) {
+        m_slider->setGeometry(w, h, e->size().width() - (w + m_colw2 + KDialog::spacingHint()), m_sizeSpin.height());
+        m_spin->setGeometry(w + m_slider->size().width() + KDialog::spacingHint(), h, m_colw2, m_sizeSpin.height());
+    }
+    else {
+        m_spin->setGeometry(w, h, QMAX(m_colw2, e->size().width() - w), m_sizeSpin.height());
+    }
+
+    h += m_sizeSpin.height() + 2;
+
+    if(m_label && (m_alignment & AlignBottom))
+        m_label->setGeometry(0, h, m_sizeLabel.width(), m_sizeLabel.height());
+}
+
+KIntNumInput::~KIntNumInput()
+{
+	delete d;
+}
+
+void KIntNumInput::setValue(int val)
+{
+    m_spin->setValue(val);
+    // slider value is changed by spinValueChanged
+}
+
+void KIntNumInput::setRelativeValue( double r ) {
+    if ( !d->referencePoint ) return;
+    ++d->blockRelative;
+    setValue( int( d->referencePoint * r + 0.5 ) );
+    --d->blockRelative;
+}
+
+double KIntNumInput::relativeValue() const {
+    if ( !d->referencePoint ) return 0;
+    return double( value() ) / double ( d->referencePoint );
+}
+
+int  KIntNumInput::value() const
+{
+    return m_spin->value();
+}
+
+void KIntNumInput::setSpecialValueText(const QString& text)
+{
+    m_spin->setSpecialValueText(text);
+    layout(true);
+}
+
+QString KIntNumInput::specialValueText() const
+{
+    return m_spin->specialValueText();
+}
+
+void KIntNumInput::setLabel(const QString & label, int a)
+{
+    KNumInput::setLabel(label, a);
+
+    if(m_label)
+        m_label->setBuddy(m_spin);
+}
+
+// ----------------------------------------------------------------------------
+
+class KDoubleNumInput::KDoubleNumInputPrivate {
+public:
+    KDoubleNumInputPrivate( double r )
+	: spin( 0 ),
+	  referencePoint( r ),
+	  blockRelative ( 0 ) {}
+    KDoubleSpinBox * spin;
+    double referencePoint;
+    short blockRelative;
+};
+
+KDoubleNumInput::KDoubleNumInput(QWidget *parent, const char *name)
+    : KNumInput(parent, name)
+{
+    init(0.0, 0.0, 9999.0, 0.01, 2);
+}
+
+KDoubleNumInput::KDoubleNumInput(double lower, double upper, double value,
+				 double step, int precision, QWidget* parent,
+				 const char *name)
+    : KNumInput(parent, name)
+{
+    init(value, lower, upper, step, precision);
+}
+
+KDoubleNumInput::KDoubleNumInput(KNumInput *below,
+				 double lower, double upper, double value,
+				 double step, int precision, QWidget* parent,
+				 const char *name)
+    : KNumInput(below, parent, name)
+{
+    init(value, lower, upper, step, precision);
+}
+
+KDoubleNumInput::KDoubleNumInput(double value, QWidget *parent, const char *name)
+    : KNumInput(parent, name)
+{
+    init(value, kMin(0.0, value), kMax(0.0, value), 0.01, 2 );
+}
+
+KDoubleNumInput::KDoubleNumInput(KNumInput* below, double value, QWidget* parent,
+                                 const char* name)
+    : KNumInput(below, parent, name)
+{
+    init( value, kMin(0.0, value), kMax(0.0, value), 0.01, 2 );
+}
+
+KDoubleNumInput::~KDoubleNumInput()
+{
+	delete d;
+}
+
+// ### remove when BIC changes are allowed again:
+
+bool KDoubleNumInput::eventFilter( QObject * o, QEvent * e ) {
+    return KNumInput::eventFilter( o, e );
+}
+
+void KDoubleNumInput::resetEditBox() {
+
+}
+
+// ### end stuff to remove when BIC changes are allowed again
+
+
+
+void KDoubleNumInput::init(double value, double lower, double upper,
+			   double step, int precision )
+{
+    // ### init no longer used members:
+    edit = 0;
+    m_range = true;
+    m_value = 0.0;
+    m_precision = 2;
+    // ### end
+
+    d = new KDoubleNumInputPrivate( value );
+
+    d->spin = new KDoubleSpinBox( lower, upper, step, value, precision,
+				  this, "KDoubleNumInput::d->spin" );
+    setFocusProxy(d->spin);
+    connect( d->spin, SIGNAL(valueChanged(double)),
+	     this, SIGNAL(valueChanged(double)) );
+    connect( this, SIGNAL(valueChanged(double)),
+	     this, SLOT(slotEmitRelativeValueChanged(double)) );
+
+    updateLegacyMembers();
+
+    layout(true);
+}
+
+void KDoubleNumInput::updateLegacyMembers() {
+    // ### update legacy members that are either not private or for
+    // which an inlined getter exists:
+    m_lower = minValue();
+    m_upper = maxValue();
+    m_step = d->spin->lineStep();
+    m_specialvalue = specialValueText();
+}
+
+
+double KDoubleNumInput::mapSliderToSpin( int val ) const
+{
+    // map [slidemin,slidemax] to [spinmin,spinmax]
+    double spinmin = d->spin->minValue();
+    double spinmax = d->spin->maxValue();
+    double slidemin = m_slider->minValue(); // cast int to double to avoid
+    double slidemax = m_slider->maxValue(); // overflow in rel denominator
+    double rel = ( double(val) - slidemin ) / ( slidemax - slidemin );
+    return spinmin + rel * ( spinmax - spinmin );
+}
+
+void KDoubleNumInput::sliderMoved(int val)
+{
+    d->spin->setValue( mapSliderToSpin( val ) );
+}
+
+void KDoubleNumInput::slotEmitRelativeValueChanged( double value )
+{
+    if ( !d->referencePoint ) return;
+    emit relativeValueChanged( value / d->referencePoint );
+}
+
+QSize KDoubleNumInput::minimumSizeHint() const
+{
+    constPolish();
+
+    int w;
+    int h;
+
+    h = 2 + QMAX(m_sizeEdit.height(), m_sizeSlider.height());
+
+    // if in extra row, then count it here
+    if(m_label && (m_alignment & (AlignBottom|AlignTop)))
+        h += 4 + m_sizeLabel.height();
+    else
+        // label is in the same row as the other widgets
+	h = QMAX(h, m_sizeLabel.height() + 2);
+
+    w = m_slider ? m_slider->sizeHint().width() + 8 : 0;
+    w += m_colw1 + m_colw2;
+
+    if(m_alignment & (AlignTop|AlignBottom))
+        w = QMAX(w, m_sizeLabel.width() + 4);
+
+    return QSize(w, h);
+}
+
+void KDoubleNumInput::resizeEvent(QResizeEvent* e)
+{
+    int w = m_colw1;
+    int h = 0;
+
+    if(m_label && (m_alignment & AlignTop)) {
+        m_label->setGeometry(0, 0, e->size().width(), m_sizeLabel.height());
+        h += m_sizeLabel.height() + 4;
+    }
+
+    if(m_label && (m_alignment & AlignVCenter))
+        m_label->setGeometry(0, 0, w, m_sizeEdit.height());
+
+    if (qApp->reverseLayout())
+    {
+        d->spin->setGeometry(w, h, m_slider ? m_colw2
+                                            : e->size().width() - w, m_sizeEdit.height());
+        w += m_colw2 + KDialog::spacingHint();
+
+        if(m_slider)
+            m_slider->setGeometry(w, h, e->size().width() - w, m_sizeEdit.height());
+    }
+    else if(m_slider) {
+        m_slider->setGeometry(w, h, e->size().width() -
+                                    (m_colw1 + m_colw2 + KDialog::spacingHint()),
+                              m_sizeEdit.height());
+        d->spin->setGeometry(w + m_slider->width() + KDialog::spacingHint(), h,
+                             m_colw2, m_sizeEdit.height());
+    }
+    else {
+        d->spin->setGeometry(w, h, e->size().width() - w, m_sizeEdit.height());
+    }
+
+    h += m_sizeEdit.height() + 2;
+
+    if(m_label && (m_alignment & AlignBottom))
+        m_label->setGeometry(0, h, m_sizeLabel.width(), m_sizeLabel.height());
+}
+
+void KDoubleNumInput::doLayout()
+{
+    m_sizeEdit = d->spin->sizeHint();
+    m_colw2 = m_sizeEdit.width();
+}
+
+void KDoubleNumInput::setValue(double val)
+{
+    d->spin->setValue( val );
+}
+
+void KDoubleNumInput::setRelativeValue( double r )
+{
+    if ( !d->referencePoint ) return;
+    ++d->blockRelative;
+    setValue( r * d->referencePoint );
+    --d->blockRelative;
+}
+
+void KDoubleNumInput::setReferencePoint( double ref )
+{
+    // clip to valid range:
+    ref = kMin( maxValue(), kMax( minValue(), ref ) );
+    d->referencePoint = ref;
+}
+
+void KDoubleNumInput::setRange(double lower, double upper, double step,
+                                                           bool slider)
+{
+    if( m_slider ) {
+	// don't update the slider to avoid an endless recursion
+	QSpinBox * spin = d->spin;
+	disconnect(spin, SIGNAL(valueChanged(int)),
+		m_slider, SLOT(setValue(int)) );
+    }
+    d->spin->setRange( lower, upper, step, d->spin->precision() );
+
+    if(slider) {
+	// upcast to base type to get the min/maxValue in int form:
+	QSpinBox * spin = d->spin;
+        int slmax = spin->maxValue();
+	int slmin = spin->minValue();
+        int slvalue = spin->value();
+	int slstep = spin->lineStep();
+        if (m_slider) {
+            m_slider->setRange(slmin, slmax);
+	    m_slider->setLineStep(slstep);
+            m_slider->setValue(slvalue);
+        } else {
+            m_slider = new QSlider(slmin, slmax, slstep, slvalue,
+                                   QSlider::Horizontal, this);
+            m_slider->setTickmarks(QSlider::Below);
+	    // feedback line: when one moves, the other moves, too:
+            connect(m_slider, SIGNAL(valueChanged(int)),
+                    SLOT(sliderMoved(int)) );
+        }
+	connect(spin, SIGNAL(valueChanged(int)),
+			m_slider, SLOT(setValue(int)) );
+	// calculate ( slmax - slmin ) / 10 without overflowing ints:
+	int major = calcDiffByTen( slmax, slmin );
+	if ( !major ) major = slstep; // ### needed?
+        m_slider->setTickInterval(major);
+    } else {
+        delete m_slider;
+        m_slider = 0;
+    }
+
+    setReferencePoint( referencePoint() );
+
+    layout(true);
+    updateLegacyMembers();
+}
+
+void KDoubleNumInput::setMinValue(double min)
+{
+    setRange(min, maxValue(), d->spin->lineStep(), m_slider);
+}
+
+double KDoubleNumInput::minValue() const
+{
+    return d->spin->minValue();
+}
+
+void KDoubleNumInput::setMaxValue(double max)
+{
+    setRange(minValue(), max, d->spin->lineStep(), m_slider);
+}
+
+double KDoubleNumInput::maxValue() const
+{
+    return d->spin->maxValue();
+}
+
+double  KDoubleNumInput::value() const
+{
+    return d->spin->value();
+}
+
+double KDoubleNumInput::relativeValue() const
+{
+    if ( !d->referencePoint ) return 0;
+    return value() / d->referencePoint;
+}
+
+double KDoubleNumInput::referencePoint() const
+{
+    return d->referencePoint;
+}
+
+QString KDoubleNumInput::suffix() const
+{
+    return d->spin->suffix();
+}
+
+QString KDoubleNumInput::prefix() const
+{
+    return d->spin->prefix();
+}
+
+void KDoubleNumInput::setSuffix(const QString &suffix)
+{
+    d->spin->setSuffix( suffix );
+
+    layout(true);
+}
+
+void KDoubleNumInput::setPrefix(const QString &prefix)
+{
+    d->spin->setPrefix( prefix );
+
+    layout(true);
+}
+
+void KDoubleNumInput::setPrecision(int precision)
+{
+    d->spin->setPrecision( precision );
+
+    layout(true);
+}
+
+int KDoubleNumInput::precision() const
+{
+    return d->spin->precision();
+}
+
+void KDoubleNumInput::setSpecialValueText(const QString& text)
+{
+    d->spin->setSpecialValueText( text );
+
+    layout(true);
+    updateLegacyMembers();
+}
+
+void KDoubleNumInput::setLabel(const QString & label, int a)
+{
+    KNumInput::setLabel(label, a);
+
+    if(m_label)
+        m_label->setBuddy(d->spin);
+
+}
+
+// ----------------------------------------------------------------------------
+
+
+class KDoubleSpinBoxValidator : public KDoubleValidator
+{
+public:
+    KDoubleSpinBoxValidator( double bottom, double top, int decimals, KDoubleSpinBox* sb, const char *name )
+        : KDoubleValidator( bottom, top, decimals, sb, name ), spinBox( sb ) { }
+
+    virtual State validate( QString& str, int& pos ) const;
+
+private:
+    KDoubleSpinBox *spinBox;
+};
+
+QValidator::State KDoubleSpinBoxValidator::validate( QString& str, int& pos ) const
+{
+    QString pref = spinBox->prefix();
+    QString suff = spinBox->suffix();
+    QString suffStriped = suff.stripWhiteSpace();
+    uint overhead = pref.length() + suff.length();
+    State state = Invalid;
+
+    if ( overhead == 0 ) {
+        state = KDoubleValidator::validate( str, pos );
+    } else {
+        bool stripedVersion = false;
+        if ( str.length() >= overhead && str.startsWith(pref)
+             && (str.endsWith(suff)
+                 || (stripedVersion = str.endsWith(suffStriped))) ) {
+            if ( stripedVersion )
+                overhead = pref.length() + suffStriped.length();
+            QString core = str.mid( pref.length(), str.length() - overhead );
+            int corePos = pos - pref.length();
+            state = KDoubleValidator::validate( core, corePos );
+            pos = corePos + pref.length();
+            str.replace( pref.length(), str.length() - overhead, core );
+        } else {
+            state = KDoubleValidator::validate( str, pos );
+            if ( state == Invalid ) {
+                // stripWhiteSpace(), cf. QSpinBox::interpretText()
+                QString special = spinBox->specialValueText().stripWhiteSpace();
+                QString candidate = str.stripWhiteSpace();
+
+                if ( special.startsWith(candidate) ) {
+                    if ( candidate.length() == special.length() ) {
+                        state = Acceptable;
+                    } else {
+                        state = Intermediate;
+                    }
+                }
+            }
+        }
+    }
+    return state;
+}
+
+// We use a kind of fixed-point arithmetic to represent the range of
+// doubles [mLower,mUpper] in steps of 10^(-mPrecision). Thus, the
+// following relations hold:
+//
+// 1. factor = 10^mPrecision
+// 2. basicStep = 1/factor = 10^(-mPrecision);
+// 3. lowerInt = lower * factor;
+// 4. upperInt = upper * factor;
+// 5. lower = lowerInt * basicStep;
+// 6. upper = upperInt * basicStep;
+class KDoubleSpinBox::Private {
+public:
+  Private( int precision=1 )
+    : mPrecision( precision ),
+      mValidator( 0 )
+  {
+  }
+
+  int factor() const {
+    int f = 1;
+    for ( int i = 0 ; i < mPrecision ; ++i ) f *= 10;
+    return f;
+  }
+
+  double basicStep() const {
+    return 1.0/double(factor());
+  }
+
+  int mapToInt( double value, bool * ok ) const {
+    assert( ok );
+    const double f = factor();
+    if ( value > double(INT_MAX) / f ) {
+      kdWarning() << "KDoubleSpinBox: can't represent value " << value
+		  << "in terms of fixed-point numbers with precision "
+		  << mPrecision << endl;
+      *ok = false;
+      return INT_MAX;
+    } else if ( value < double(INT_MIN) / f ) {
+      kdWarning() << "KDoubleSpinBox: can't represent value " << value
+		  << "in terms of fixed-point numbers with precision "
+		  << mPrecision << endl;
+      *ok = false;
+      return INT_MIN;
+    } else {
+      *ok = true;
+      return int( value * f + ( value < 0 ? -0.5 : 0.5 ) );
+    }
+  }
+
+  double mapToDouble( int value ) const {
+    return double(value) * basicStep();
+  }
+
+  int mPrecision;
+  KDoubleSpinBoxValidator * mValidator;
+};
+
+KDoubleSpinBox::KDoubleSpinBox( QWidget * parent, const char * name )
+  : QSpinBox( parent, name )
+{
+  editor()->setAlignment( Qt::AlignRight );
+  d = new Private();
+  updateValidator();
+  connect( this, SIGNAL(valueChanged(int)), SLOT(slotValueChanged(int)) );
+}
+
+KDoubleSpinBox::KDoubleSpinBox( double lower, double upper, double step,
+				double value, int precision,
+				QWidget * parent, const char * name )
+  : QSpinBox( parent, name )
+{
+  editor()->setAlignment( Qt::AlignRight );
+  d = new Private();
+  setRange( lower, upper, step, precision );
+  setValue( value );
+  connect( this, SIGNAL(valueChanged(int)), SLOT(slotValueChanged(int)) );
+}
+
+KDoubleSpinBox::~KDoubleSpinBox() {
+  delete d; d = 0;
+}
+
+bool KDoubleSpinBox::acceptLocalizedNumbers() const {
+  if ( !d->mValidator ) return true; // we'll set one that does;
+                                     // can't do it now, since we're const
+  return d->mValidator->acceptLocalizedNumbers();
+}
+
+void KDoubleSpinBox::setAcceptLocalizedNumbers( bool accept ) {
+  if ( !d->mValidator ) updateValidator();
+  d->mValidator->setAcceptLocalizedNumbers( accept );
+}
+
+void KDoubleSpinBox::setRange( double lower, double upper, double step,
+			       int precision ) {
+  lower = kMin(upper, lower);
+  upper = kMax(upper, lower);
+  setPrecision( precision, true ); // disable bounds checking, since
+  setMinValue( lower );            // it's done in set{Min,Max}Value
+  setMaxValue( upper );            // anyway and we want lower, upper
+  setLineStep( step );             // and step to have the right precision
+}
+
+int KDoubleSpinBox::precision() const {
+  return d->mPrecision;
+}
+
+void KDoubleSpinBox::setPrecision( int precision ) {
+    setPrecision( precision, false );
+}
+
+void KDoubleSpinBox::setPrecision( int precision, bool force ) {
+  if ( precision < 1 ) return;
+  if ( !force ) {
+    int maxPrec = maxPrecision();
+    if ( precision > maxPrec )
+      precision = maxPrec;
+  }
+  d->mPrecision = precision;
+  updateValidator();
+}
+
+int KDoubleSpinBox::maxPrecision() const {
+    // INT_MAX must be > maxAbsValue * 10^precision
+    // ==> 10^precision < INT_MAX / maxAbsValue
+    // ==> precision < log10 ( INT_MAX / maxAbsValue )
+    // ==> maxPrecision = floor( log10 ( INT_MAX / maxAbsValue ) );
+    double maxAbsValue = kMax( fabs(minValue()), fabs(maxValue()) );
+    if ( maxAbsValue == 0 ) return 6; // return arbitrary value to avoid dbz...
+
+    return int( floor( log10( double(INT_MAX) / maxAbsValue ) ) );
+}
+
+double KDoubleSpinBox::value() const {
+  return d->mapToDouble( base::value() );
+}
+
+void KDoubleSpinBox::setValue( double value ) {
+    if ( value == this->value() ) return;
+    if ( value < minValue() )
+	base::setValue( base::minValue() );
+    else if ( value > maxValue() )
+	base::setValue( base::maxValue() );
+    else {
+	bool ok = false;
+	base::setValue( d->mapToInt( value, &ok ) );
+	assert( ok );
+    }
+}
+
+double KDoubleSpinBox::minValue() const {
+  return d->mapToDouble( base::minValue() );
+}
+
+void KDoubleSpinBox::setMinValue( double value ) {
+  bool ok = false;
+  int min = d->mapToInt( value, &ok );
+  if ( !ok ) return;
+  base::setMinValue( min );
+  updateValidator();
+}
+
+
+double KDoubleSpinBox::maxValue() const {
+  return d->mapToDouble( base::maxValue() );
+}
+
+void KDoubleSpinBox::setMaxValue( double value ) {
+  bool ok = false;
+  int max = d->mapToInt( value, &ok );
+  if ( !ok ) return;
+  base::setMaxValue( max );
+  updateValidator();
+}
+
+double KDoubleSpinBox::lineStep() const {
+  return d->mapToDouble( base::lineStep() );
+}
+
+void KDoubleSpinBox::setLineStep( double step ) {
+  bool ok = false;
+  if ( step > maxValue() - minValue() )
+    base::setLineStep( 1 );
+  else
+    base::setLineStep( kMax( d->mapToInt( step, &ok ), 1 ) );
+}
+
+QString KDoubleSpinBox::mapValueToText( int value ) {
+  if ( acceptLocalizedNumbers() )
+    return KGlobal::locale()
+      ->formatNumber( d->mapToDouble( value ), d->mPrecision );
+  else
+    return QString().setNum( d->mapToDouble( value ), 'f', d->mPrecision );
+}
+
+int KDoubleSpinBox::mapTextToValue( bool * ok ) {
+  double value;
+  if ( acceptLocalizedNumbers() )
+    value = KGlobal::locale()->readNumber( cleanText(), ok );
+  else
+    value = cleanText().toDouble( ok );
+  if ( !*ok ) return 0;
+  if ( value > maxValue() )
+    value = maxValue();
+  else if ( value < minValue() )
+    value = minValue();
+  return d->mapToInt( value, ok );
+}
+
+void KDoubleSpinBox::setValidator( const QValidator * ) {
+  // silently discard the new validator. We don't want another one ;-)
+}
+
+void KDoubleSpinBox::slotValueChanged( int value ) {
+  emit valueChanged( d->mapToDouble( value ) );
+}
+
+void KDoubleSpinBox::updateValidator() {
+  if ( !d->mValidator ) {
+    d->mValidator =  new KDoubleSpinBoxValidator( minValue(), maxValue(), precision(),
+					   this, "d->mValidator" );
+    base::setValidator( d->mValidator );
+  } else
+    d->mValidator->setRange( minValue(), maxValue(), precision() );
+}
+
+void KNumInput::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+void KIntNumInput::virtual_hook( int id, void* data )
+{ KNumInput::virtual_hook( id, data ); }
+
+void KDoubleNumInput::virtual_hook( int id, void* data )
+{ KNumInput::virtual_hook( id, data ); }
+
+void KIntSpinBox::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+void KDoubleSpinBox::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+#include "knuminput.moc"