+++ /dev/null
-// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// 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
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-// File: QtxDblSpinBox.cxx
-// Author: Sergey TELKOV
-
-#include "QtxDblSpinBox.h"
-
-#include <qlineedit.h>
-#include <qvalidator.h>
-#include <qapplication.h>
-
-#include <float.h>
-
-/*!
- \class QtxDblSpinBox::Validator [internal]
- Validator for QtxDblSpinBox (getted from Trolltech Qt - SpinBoxValidator)
-*/
-class QtxDblSpinBox::Validator : public QDoubleValidator
-{
-public:
- Validator( QtxDblSpinBox* sb, const char* name )
- : QDoubleValidator( sb, name ), spinBox( sb ) {}
-
- virtual State validate( QString& str, int& pos ) const;
-
-private:
- QtxDblSpinBox* spinBox;
-};
-
-
-/*!
- Checks string and \return QValidator::State
-*/
-QValidator::State QtxDblSpinBox::Validator::validate( QString& str, int& pos ) const
-{
- QString pref = spinBox->prefix();
- QString suff = spinBox->suffix();
- uint overhead = pref.length() + suff.length();
- State state = Invalid;
-
- if ( overhead == 0 )
- state = QDoubleValidator::validate( str, pos );
- else
- {
- if ( str.length() >= overhead && str.startsWith( pref ) &&
- str.right( suff.length() ) == suff )
- {
- QString core = str.mid( pref.length(), str.length() - overhead );
- int corePos = pos - pref.length();
- state = QDoubleValidator::validate( core, corePos );
- pos = corePos + pref.length();
- str.replace( pref.length(), str.length() - overhead, core );
- }
- else
- {
- state = QDoubleValidator::validate( str, pos );
- if ( state == Invalid )
- {
- 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;
-}
-
-/*!
- Constructor
-*/
-QtxDblSpinBox::QtxDblSpinBox( QWidget* parent, const char* name )
-: QSpinBox( parent, name ),
-myCleared( false ),
-myBlocked( false ),
-myPrecision( 0 )
-{
- myMin = -DBL_MAX;
- myMax = DBL_MAX;
- myStep = QRangeControl::lineStep();
- myValue = 0;
- setValidator( new Validator( this, "double_spinbox_validator" ) );
- rangeChange();
- updateDisplay();
-
- connect( editor(), SIGNAL( textChanged( const QString& ) ), this, SLOT( onTextChanged( const QString& ) ) );
-}
-
-/*!
- Constructor
-*/
-QtxDblSpinBox::QtxDblSpinBox( double min, double max, double step, QWidget* parent, const char* name )
-: QSpinBox( parent, name ),
-myMin( min ),
-myMax( max ),
-myStep( step ),
-myCleared( false ),
-myBlocked( false ),
-myPrecision( 0 )
-{
- myValue = myMin;
- setValidator( new Validator( this, "double_spinbox_validator" ) );
- rangeChange();
- updateDisplay();
-
- connect( editor(), SIGNAL( textChanged( const QString& ) ), this, SLOT( onTextChanged( const QString& ) ) );
-}
-
-/*!
- Destructor
-*/
-QtxDblSpinBox::~QtxDblSpinBox()
-{
-}
-
-/*!
- \return min value of spin box
-*/
-double QtxDblSpinBox::minValue() const
-{
- return myMin;
-}
-
-/*!
- \return max value of spin box
-*/
-double QtxDblSpinBox::maxValue() const
-{
- return myMax;
-}
-
-/*!
- Changes min value of spin box
- \param min - new min value
-*/
-void QtxDblSpinBox::setMinValue( int min )
-{
- setMinValue( (double)min );
-}
-
-/*!
- Changes min value of spin box
- \param min - new min value
-*/
-void QtxDblSpinBox::setMinValue( double min )
-{
- if ( myMin != min )
- {
- myMin = min;
- rangeChange();
- }
-}
-
-/*!
- Changes max value of spin box
- \param max - new max value
-*/
-void QtxDblSpinBox::setMaxValue( int max )
-{
- setMaxValue( (double)max );
-}
-
-/*!
- Changes max value of spin box
- \param max - new max value
-*/
-void QtxDblSpinBox::setMaxValue( double max )
-{
- if ( myMax != max )
- {
- myMax = max;
- rangeChange();
- }
-}
-
-/*!
- Changes min and max value of spin box
- \param min - new min value
- \param max - new max value
-*/
-void QtxDblSpinBox::setRange( int min, int max )
-{
- setRange( (double)min, (double)max );
-}
-
-/*!
- Changes min and max value of spin box
- \param min - new min value
- \param max - new max value
-*/
-void QtxDblSpinBox::setRange( double min, double max )
-{
- if ( myMin != min || myMax != max )
- {
- myMin = min;
- myMax = max;
- rangeChange();
- }
-}
-
-/*!
- \return step of spin box
-*/
-double QtxDblSpinBox::lineStep() const
-{
- return myStep;
-}
-
-/*!
- Changes step of spin box
- \param step - new step
-*/
-void QtxDblSpinBox::setLineStep( int step )
-{
- setLineStep( (double)step );
-}
-
-/*!
- Changes step of spin box
- \param step - new step
-*/
-void QtxDblSpinBox::setLineStep( double step )
-{
- myStep = step;
-}
-
-/*!
- \return value of spin box
-*/
-double QtxDblSpinBox::value() const
-{
- QSpinBox::value();
-
- return myValue;
-}
-
-/*!
- Changes value of spin box
- \param val - new value of spin box
-*/
-void QtxDblSpinBox::setValue( int val )
-{
- setValue( (double)val );
-}
-
-/*!
- Changes value of spin box
- \param val - new value of spin box
-*/
-void QtxDblSpinBox::setValue( double val )
-{
- myCleared = false;
- double prevVal = myValue;
- myValue = bound( val );
- if ( prevVal != myValue )
- valueChange();
-}
-
-/*!
- Adds step to value
-*/
-void QtxDblSpinBox::stepUp()
-{
- interpretText();
- if ( wrapping() && myValue + myStep > myMax )
- setValue( myMin );
- else
- setValue( myValue + myStep );
-}
-
-/*!
- Subtracks step from value
-*/
-void QtxDblSpinBox::stepDown()
-{
- interpretText();
- if ( wrapping() && myValue - myStep < myMin )
- setValue( myMax );
- else
- setValue( myValue - myStep );
-}
-
-/*!
- \return number of digit after comma
-*/
-int QtxDblSpinBox::precision() const
-{
- return myPrecision;
-}
-
-/*!
- Changes number of digit after comma
- \param prec - new digit number
-*/
-void QtxDblSpinBox::setPrecision( const int prec )
-{
- int newPrec = QMAX( prec, 0 );
- int oldPrec = QMAX( myPrecision, 0 );
- myPrecision = prec;
- if ( newPrec != oldPrec )
- updateDisplay();
-}
-
-/*!
- \return true if spin box is cleared
-*/
-bool QtxDblSpinBox::isCleared() const
-{
- return myCleared;
-}
-
-/*!
- Changes cleared status of spin box
- \param on - new status
-*/
-void QtxDblSpinBox::setCleared( const bool on )
-{
- if ( myCleared == on )
- return;
-
- myCleared = on;
- updateDisplay();
-}
-
-/*!
- Selects all content of spin box editor
-*/
-void QtxDblSpinBox::selectAll()
-{
- QSpinBox::selectAll();
-}
-
-/*!
- Custom event filter, updates text of spin box editor
-*/
-bool QtxDblSpinBox::eventFilter( QObject* o, QEvent* e )
-{
- if ( !myCleared || o != editor() || !editor()->text().stripWhiteSpace().isEmpty() )
- {
- bool state = QSpinBox::eventFilter( o, e );
- if ( e->type() == QEvent::FocusOut && o == editor() )
- updateDisplay();
- return state;
- }
-
- if ( e->type() == QEvent::FocusOut || e->type() == QEvent::Leave || e->type() == QEvent::Hide )
- return false;
-
- if ( e->type() == QEvent::KeyPress &&
- ( ((QKeyEvent*)e)->key() == Key_Tab || ((QKeyEvent*)e)->key() == Key_BackTab ) )
- {
- QApplication::sendEvent( this, e );
- return true;
- }
-
- return QSpinBox::eventFilter( o, e );
-}
-
-/*!
- Updates text of editor
-*/
-void QtxDblSpinBox::updateDisplay()
-{
- if ( myBlocked )
- return;
-
- bool upd = editor()->isUpdatesEnabled();
- editor()->setUpdatesEnabled( false );
-
- bool isBlock = myBlocked;
- myBlocked = true;
-
- QString txt = currentValueText();
-
- if ( myValue >= myMax )
- QSpinBox::setValue( QSpinBox::maxValue() );
- else if ( myValue <= myMin )
- QSpinBox::setValue( QSpinBox::minValue() );
- else
- QSpinBox::setValue( ( QSpinBox::minValue() + QSpinBox::maxValue() ) / 2 );
-
- QSpinBox::updateDisplay();
-
- editor()->setUpdatesEnabled( upd );
-
- editor()->setText( myCleared ? QString::null : txt );
- if ( !myCleared && editor()->hasFocus() )
- {
- if ( editor()->text() == specialValueText() )
- editor()->selectAll();
- else
- editor()->setSelection( prefix().length(), editor()->text().length() - prefix().length() - suffix().length() );
- }
- else
- editor()->setCursorPosition( 0 );
-
- myBlocked = isBlock;
-}
-
-/*!
- Sets double value by text in editor
-*/
-void QtxDblSpinBox::interpretText()
-{
- myCleared = false;
-
- bool ok = true;
- bool done = false;
- double newVal = 0;
- if ( !specialValueText().isEmpty() )
- {
- QString s = QString( text() ).stripWhiteSpace();
- QString t = QString( specialValueText() ).stripWhiteSpace();
- if ( s == t )
- {
- newVal = minValue();
- done = true;
- }
- }
- if ( !done )
- newVal = mapTextToDoubleValue( &ok );
- if ( ok )
- setValue( newVal );
- updateDisplay();
-}
-
-/*!
- Emits signal "valueChanged"
-*/
-void QtxDblSpinBox::valueChange()
-{
- updateDisplay();
- emit valueChanged( myValue );
- emit valueChanged( currentValueText() );
-}
-
-/*!
- Attune parameters on range changing
-*/
-void QtxDblSpinBox::rangeChange()
-{
- double min = QMIN( myMin, myMax );
- double max = QMAX( myMin, myMax );
- myMin = min;
- myMax = max;
- QDoubleValidator* v = ::qt_cast<QDoubleValidator*>( validator() );
- if ( v )
- v->setRange( myMin, myMax );
-
- if ( myMin == myMax )
- QSpinBox::setRange( 0, 0 );
- else
- QSpinBox::setRange( 0, 2 );
-
- setValue( myValue );
- updateDisplay();
-}
-
-/*!
- \return text of editor
-*/
-QString QtxDblSpinBox::currentValueText()
-{
- QString s;
- if ( (myValue == minValue()) && !specialValueText().isEmpty() )
- s = specialValueText();
- else
- {
- s = prefix();
- s.append( mapValueToText( myValue ) );
- s.append( suffix() );
- }
- return s;
-}
-
-/*!
- Converts number to string
- \param v - number to be converted
-*/
-QString QtxDblSpinBox::mapValueToText( double v )
-{
- QString s;
- s.setNum( v, myPrecision >= 0 ? 'f' : 'g', myPrecision == 0 ? 6 : QABS( myPrecision ) );
- return removeTrailingZeroes( s );
-}
-
-/*!
- Converts value to string
-*/
-QString QtxDblSpinBox::mapValueToText( int )
-{
- QString s;
- s.setNum( myValue, myPrecision >= 0 ? 'f' : 'g', myPrecision == 0 ? 6 : QABS( myPrecision ) );
- return removeTrailingZeroes( s );
-}
-
-/*!
- Converts current text of editor to double
-*/
-double QtxDblSpinBox::mapTextToDoubleValue( bool* ok )
-{
- QString s = text();
- double newVal = s.toDouble( ok );
- if ( !(*ok) && !( !prefix() && !suffix() ) )
- {
- s = cleanText();
- newVal = s.toDouble( ok );
- }
- return newVal;
-}
-
-/*!
- \return value corrected in accordance with borders
- \param val - value to be corrected
-*/
-double QtxDblSpinBox::bound( double val )
-{
- double newVal = val;
- if ( newVal > myMax )
- newVal = myMax;
- if ( newVal < myMin )
- newVal = myMin;
- return newVal;
-}
-
-/*!
- Custom handler for leave event
-*/
-void QtxDblSpinBox::leaveEvent( QEvent* e )
-{
- if ( !myCleared )
- QSpinBox::leaveEvent( e );
-}
-
-/*!
- Custom handler for wheel event
-*/
-void QtxDblSpinBox::wheelEvent( QWheelEvent* e )
-{
- if ( !isEnabled() )
- return;
-
- QSpinBox::wheelEvent( e );
- updateDisplay();
-}
-
-/*!
- SLOT: called if text is changed
-*/
-void QtxDblSpinBox::onTextChanged( const QString& str )
-{
- if ( !myBlocked )
- myCleared = false;
-}
-
-/*!
- \return string without excess zeros in start and in end
-*/
-QString QtxDblSpinBox::removeTrailingZeroes( const QString& src ) const
-{
- QString delim( "." );
-
- int idx = src.findRev( delim );
- if ( idx == -1 )
- return src;
-
- QString iPart = src.left( idx );
- QString fPart = src.mid( idx + 1 );
-
- while ( !fPart.isEmpty() && fPart.at( fPart.length() - 1 ) == '0' )
- fPart.remove( fPart.length() - 1, 1 );
-
- QString res = iPart;
- if ( !fPart.isEmpty() )
- res += delim + fPart;
-
- return res;
-}
+++ /dev/null
-// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// 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
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-// File: QtxDblSpinBox.h
-// Author: Sergey TELKOV
-
-#ifndef QTXDBLSPINBOX_H
-#define QTXDBLSPINBOX_H
-
-#include "Qtx.h"
-
-#include <qspinbox.h>
-
-/*!
- \class QtxDblSpinBox
- Spin box for real numbers.
-*/
-class QTX_EXPORT QtxDblSpinBox : public QSpinBox
-{
- Q_OBJECT
-
- class Validator;
-
-public:
- typedef enum QSpinBox::ButtonSymbols ButtonSymbols;
-
-public:
- QtxDblSpinBox( QWidget* = 0, const char* = 0 );
- QtxDblSpinBox( double, double, double = 1, QWidget* = 0, const char* = 0 );
- virtual ~QtxDblSpinBox();
-
- double minValue() const;
- double maxValue() const;
- void setMinValue( int );
- void setMaxValue( int );
- void setMinValue( double );
- void setMaxValue( double );
- void setRange( int, int );
- virtual void setRange( double, double );
-
- double lineStep() const;
- void setLineStep( int );
- virtual void setLineStep( double );
-
- double value() const;
-
- int precision() const;
- virtual void setPrecision( const int );
-
- bool isCleared() const;
- virtual void setCleared( const bool );
-
- virtual bool eventFilter( QObject*, QEvent* );
-
-signals:
- void valueChanged( double );
- void valueChanged( const QString& );
-
-public slots:
- virtual void stepUp();
- virtual void stepDown();
- virtual void selectAll();
- virtual void setValue( int );
- virtual void setValue( double );
-
-protected slots:
- virtual void onTextChanged( const QString& );
-
-protected:
- virtual void updateDisplay();
- virtual void interpretText();
-
- virtual void valueChange();
- virtual void rangeChange();
-
- QString currentValueText();
- virtual QString mapValueToText( int );
- virtual QString mapValueToText( double );
- virtual double mapTextToDoubleValue( bool* );
-
- virtual void leaveEvent( QEvent* );
- virtual void wheelEvent( QWheelEvent* );
-
- double bound( double );
-
- QString removeTrailingZeroes( const QString& ) const;
-
-private:
- double myMin;
- double myMax;
- double myStep;
- double myValue;
- bool myCleared;
- bool myBlocked;
- int myPrecision;
-};
-
-#endif
