1 /******************************************************************************

     2  *

     3  * 

     4  *

     5  * Copyright (C) 1997-2007 by Dimitri van Heesch.

     6  *

     7  * Permission to use, copy, modify, and distribute this software and its

     8  * documentation under the terms of the GNU General Public License is hereby 

     9  * granted. No representations are made about the suitability of this software 

    10  * for any purpose. It is provided "as is" without express or implied warranty.

    11  * See the GNU General Public License for more details.

    12  *

    13  */

    14 

    15 #include "inputint.h"

    16 #include "helplabel.h"

    17 

    18 #include <QtGui>

    19 

    20 InputInt::InputInt( QGridLayout *layout,int &row,

    21                     const QString & id, 

    22                     int defVal, int minVal,int maxVal,

    23                     const QString & docs )

    24   : m_default(defVal), m_minVal(minVal), m_maxVal(maxVal), m_docs(docs), m_id(id)

    25 {

    26   m_lab = new HelpLabel(id);

    27   m_sp  = new QSpinBox;

    28   m_sp->setMinimum(minVal);

    29   m_sp->setMaximum(maxVal);

    30   m_sp->setSingleStep(1);

    31   m_val=defVal-1; // force update

    32   setValue(defVal);

    33 

    34   layout->addWidget( m_lab, row, 0 );

    35   layout->addWidget( m_sp, row, 1 );

    36 

    37   connect(m_sp, SIGNAL(valueChanged(int)), 

    38           this, SLOT(setValue(int)) );

    39   connect( m_lab, SIGNAL(enter()), SLOT(help()) );

    40   connect( m_lab, SIGNAL(reset()), SLOT(reset()) );

    41   row++;

    42 }

    43 

    44 void InputInt::help()

    45 {

    46   showHelp(this);

    47 }

    48 

    49 

    50 void InputInt::setValue(int val)

    51 {

    52   val = qMax(m_minVal,val);

    53   val = qMin(m_maxVal,val);

    54   if (val!=m_val) 

    55   {

    56     m_val = val;

    57     m_sp->setValue(val);

    58     m_value = m_val;

    59     if (m_val==m_default)

    60     {

    61       m_lab->setText(QString::fromAscii("<qt>")+m_id+QString::fromAscii("</qt"));

    62     }

    63     else

    64     {

    65       m_lab->setText(QString::fromAscii("<qt><font color='red'>")+m_id+QString::fromAscii("</font></qt>"));

    66     }

    67     emit changed(); 

    68   }

    69 }

    70 

    71 void InputInt::setEnabled(bool state)

    72 {

    73   m_lab->setEnabled(state);

    74   m_sp->setEnabled(state);

    75 }

    76 

    77 QVariant &InputInt::value() 

    78 {

    79   return m_value;

    80 }

    81 

    82 void InputInt::update()

    83 {

    84   setValue(m_value.toInt());

    85 }

    86 

    87 void InputInt::reset()

    88 {

    89   setValue(m_default);

    90 }

    91 

    92 void InputInt::writeValue(QTextStream &t,QTextCodec *)

    93 {

    94   t << m_val;

    95 }

    96