ground/gcs/src/plugins/config/dblspindelegate.cpp

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       doublespindelegate.cpp
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  * @addtogroup GCSPlugins GCS Plugins
   7  * @{
   8  * @addtogroup ConfigPlugin Config Plugin
   9  * @{
  10  * @brief A double spinbox delegate
  11  *****************************************************************************/
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21  * for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  */
  27
  28 #include "dblspindelegate.h"
  29
  30 /**
  31    Helper delegate for the custom mixer editor table.
  32  */
  33 DoubleSpinDelegate::DoubleSpinDelegate(QObject *parent)
  34     : QItemDelegate(parent)
  35 {
  36     m_min      = 0.0;
  37     m_max      = 1.0;
  38     m_decimals = 2;
  39     m_step     = 0.01;
  40 }
  41
  42 QWidget *DoubleSpinDelegate::createEditor(QWidget *parent,
  43                                           const QStyleOptionViewItem & /* option */,
  44                                           const QModelIndex & /* index */) const
  45 {
  46     QDoubleSpinBox *editor = new QDoubleSpinBox(parent);
  47
  48     editor->setMinimum(m_min);
  49     editor->setMaximum(m_max);
  50     editor->setDecimals(m_decimals);
  51     editor->setSingleStep(m_step);
  52
  53     connect(editor, SIGNAL(valueChanged(double)), this, SLOT(valueChanged()));
  54
  55     return editor;
  56 }
  57
  58 void DoubleSpinDelegate::setEditorData(QWidget *editor,
  59                                        const QModelIndex &index) const
  60 {
  61     double value = index.model()->data(index, Qt::EditRole).toDouble();
  62
  63     QDoubleSpinBox *spinBox = static_cast<QDoubleSpinBox *>(editor);
  64
  65     spinBox->setValue(value);
  66 }
  67
  68 void DoubleSpinDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
  69                                       const QModelIndex &index) const
  70 {
  71     QDoubleSpinBox *spinBox = static_cast<QDoubleSpinBox *>(editor);
  72
  73     spinBox->interpretText();
  74     double value = spinBox->value();
  75
  76     model->setData(index, value, Qt::EditRole);
  77 }
  78
  79 void DoubleSpinDelegate::updateEditorGeometry(QWidget *editor,
  80                                               const QStyleOptionViewItem &option, const QModelIndex & /* index */) const
  81 {
  82     editor->setGeometry(option.rect);
  83 }
  84
  85 void DoubleSpinDelegate::valueChanged()
  86 {
  87     emit ValueChanged();
  88 }