Added slider editor for double values

p4#: 19089

cafUserInterface/CMakeLists.txt

@@ -19,6 +19,8 @@ set( QOBJECT_HEADERS
     cafPdmUiFilePathEditor.h
     cafPdmUiListEditor.h
     cafPdmUiSliderEditor.h
+    cafPdmUiDoubleSliderEditor.h
+
     cafPdmUiColorEditor.h
     
     cafPdmUiPropertyView.h
@@ -43,6 +45,7 @@ add_library( ${PROJECT_NAME}
     cafPdmUiFilePathEditor.cpp
     cafPdmUiListEditor.cpp
     cafPdmUiSliderEditor.cpp
+    cafPdmUiDoubleSliderEditor.cpp
     cafPdmUiColorEditor.cpp
 
     cafPdmUiPropertyView.cpp

cafUserInterface/cafPdmUiDoubleSliderEditor.cpp

@@ -0,0 +1,218 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library 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 3 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#include "cafPdmUiDoubleSliderEditor.h"
+
+#include "cafPdmUiDefaultObjectEditor.h"
+#include "cafPdmObject.h"
+#include "cafPdmUiFieldEditorHandle.h"
+#include "cafPdmField.h"
+
+#include "cafFactory.h"
+
+#include <QLineEdit>
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QDoubleValidator>
+
+#include <QDebug>
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+class PdmDoubleValidator : public QDoubleValidator
+{
+public:
+    PdmDoubleValidator(QObject * parent = 0) : QDoubleValidator(parent)
+    {
+    }
+
+    PdmDoubleValidator(double bottom, double top, int decimals, QObject * parent)
+        : QDoubleValidator(bottom, top, decimals, parent)
+    {
+    }
+
+    ~PdmDoubleValidator()
+    {
+    }
+
+    //--------------------------------------------------------------------------------------------------
+    /// 
+    //--------------------------------------------------------------------------------------------------
+    virtual void fixup(QString& stringValue) const
+    {
+        double doubleValue = stringValue.toDouble();
+        doubleValue = qBound(bottom(), doubleValue, top());
+
+        stringValue = QString::number(doubleValue, 'g', decimals());
+    }
+};
+
+namespace caf
+{
+
+CAF_PDM_UI_FIELD_EDITOR_SOURCE_INIT(PdmUiDoubleSliderEditor);
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDoubleSliderEditor::configureAndUpdateUi(const QString& uiConfigName)
+{
+    assert(!m_lineEdit.isNull());
+
+    QIcon ic = field()->uiIcon(uiConfigName);
+    if (!ic.isNull())
+    {
+        m_label->setPixmap(ic.pixmap(ic.actualSize(QSize(64, 64))));
+    }
+    else
+    {
+        m_label->setText(field()->uiName(uiConfigName));
+    }
+
+    m_label->setVisible(!field()->isUiHidden(uiConfigName));
+    m_label->setEnabled(!field()->isUiReadOnly(uiConfigName));
+
+    m_lineEdit->setEnabled(!field()->isUiReadOnly(uiConfigName));
+    m_slider->setEnabled(!field()->isUiReadOnly(uiConfigName));
+
+    field()->ownerObject()->editorAttribute(field(), uiConfigName, &m_attributes);
+
+    PdmDoubleValidator* pdmValidator = new PdmDoubleValidator(m_attributes.m_minimum, m_attributes.m_maximum, m_attributes.m_decimals, this);
+    m_lineEdit->setValidator(pdmValidator);
+
+    QString textValue = field()->uiValue().toString();
+    pdmValidator->fixup(textValue);
+
+    m_lineEdit->setText(textValue);
+    updateSliderPosition();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QWidget* PdmUiDoubleSliderEditor::createEditorWidget(QWidget * parent)
+{
+    QWidget* containerWidget = new QWidget(parent);
+
+    QHBoxLayout* layout = new QHBoxLayout();
+    layout->setMargin(0);
+    containerWidget->setLayout(layout);
+
+    m_lineEdit = new QLineEdit(containerWidget);
+    m_lineEdit->setMaximumWidth(100);
+    connect(m_lineEdit, SIGNAL(editingFinished()), this, SLOT(slotEditingFinished()));
+
+    m_slider = new QSlider(Qt::Horizontal, containerWidget);
+    layout->addWidget(m_lineEdit);
+    layout->addWidget(m_slider);
+
+    connect(m_slider, SIGNAL(valueChanged(int)), this, SLOT(slotSliderValueChanged(int)));
+    
+    return containerWidget;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QWidget* PdmUiDoubleSliderEditor::createLabelWidget(QWidget * parent)
+{
+    m_label = new QLabel(parent);
+    return m_label;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDoubleSliderEditor::slotEditingFinished()
+{
+    updateSliderPosition();
+
+    writeValueToField();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDoubleSliderEditor::slotSliderValueChanged(int value)
+{
+    double newDoubleValue = convertFromSliderValue(value);
+    m_lineEdit->setText(QString::number(newDoubleValue));
+
+    writeValueToField();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDoubleSliderEditor::updateSliderPosition()
+{
+    QString textValue = m_lineEdit->text();
+
+    bool convertOk = false;
+    double newSliderValue = textValue.toDouble(&convertOk);
+
+    int newSliderPosition = convertToSliderValue(newSliderValue);
+    if (m_slider->value() != newSliderPosition)
+    {
+        m_slider->blockSignals(true);
+        m_slider->setValue(newSliderPosition);
+        m_slider->blockSignals(false);
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDoubleSliderEditor::writeValueToField()
+{
+    QString textValue = m_lineEdit->text();
+    QVariant v;
+    v = textValue;
+    this->setValueToField(v);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+int PdmUiDoubleSliderEditor::convertToSliderValue(double value)
+{
+    double exactSliderValue = m_slider->maximum() * (value - m_attributes.m_minimum) / (m_attributes.m_maximum - m_attributes.m_minimum);
+
+    int sliderValue = exactSliderValue;
+    sliderValue = qBound(m_slider->minimum(), sliderValue, m_slider->maximum());
+
+    return sliderValue;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+double PdmUiDoubleSliderEditor::convertFromSliderValue(int sliderValue)
+{
+    double newDoubleValue = m_attributes.m_minimum + sliderValue * (m_attributes.m_maximum - m_attributes.m_minimum) / m_slider->maximum();
+    newDoubleValue = qBound(m_attributes.m_minimum, newDoubleValue, m_attributes.m_maximum);
+    
+    return newDoubleValue;
+}
+
+
+} // end namespace caf

cafUserInterface/cafPdmUiDoubleSliderEditor.h

@@ -0,0 +1,90 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library 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 3 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#pragma once
+#include "cafPdmUiFieldEditorHandle.h"
+
+#include <QString>
+#include <QLabel>
+#include <QWidget>
+#include <QPointer>
+#include <QLineEdit>
+#include <QGroupBox>
+#include <QSlider>
+
+
+namespace caf 
+{
+
+//==================================================================================================
+/// 
+//==================================================================================================
+
+class PdmUiDoubleSliderEditorAttribute : public PdmUiEditorAttribute
+{
+public:
+    PdmUiDoubleSliderEditorAttribute()
+    {
+        m_minimum = 0;
+        m_maximum = 10;
+        m_decimals = 6;
+    }
+
+public:
+    double  m_minimum;
+    double  m_maximum;
+    int     m_decimals;
+};
+
+
+class PdmUiDoubleSliderEditor : public PdmUiFieldEditorHandle
+{
+    Q_OBJECT
+    CAF_PDM_UI_FIELD_EDITOR_HEADER_INIT;
+
+public:
+    PdmUiDoubleSliderEditor()          {} 
+    virtual ~PdmUiDoubleSliderEditor() {} 
+
+protected:
+    virtual void        configureAndUpdateUi(const QString& uiConfigName);
+    virtual QWidget*    createEditorWidget(QWidget * parent);
+    virtual QWidget*    createLabelWidget(QWidget * parent);
+
+protected slots:
+    void                slotEditingFinished();
+    void                slotSliderValueChanged(int value);
+
+private:
+    void                updateSliderPosition();
+    void                writeValueToField();
+
+    int                 convertToSliderValue(double value);
+    double              convertFromSliderValue(int sliderValue);
+
+private:
+    QPointer<QLineEdit> m_lineEdit;
+    QPointer<QSlider>   m_slider;
+    QPointer<QLabel>    m_label;
+
+    PdmUiDoubleSliderEditorAttribute m_attributes;
+};
+
+
+} // end namespace caf