ENH: added qMRMLWindowLevelWidget, started filling in qVolumes module

git-svn-id: http://svn.slicer.org/Slicer4/trunk@12314 3bd1e089-480b-0410-8dfb-8563597acbee

Libs/qMRMLWidgets/CMakeLists.txt

@@ -52,6 +52,8 @@ SET(qMRMLWidgets_SRCS
   qMRMLTreeWidget.h
   qMRMLUtils.cxx
   qMRMLUtils.h
+  qMRMLWindowLevelWidget.cxx
+  qMRMLWindowLevelWidget.h
   )
 
 # Headers that should run through moc
@@ -73,6 +75,7 @@ SET(qMRMLWidgets_MOC_SRCS
   qMRMLTreeProxyModel_p.h
   qMRMLTransformSliders.h
   qMRMLTreeWidget.h
+  qMRMLWindowLevelWidget.h
   )
   
 # UI files
@@ -80,6 +83,7 @@ SET(qMRMLWidgets_UI_SRCS
   Resources/UI/qMRMLEventLoggerWidget.ui
   Resources/UI/qMRMLSceneFactoryWidget.ui
   Resources/UI/qMRMLTransformSliders.ui
+  Resources/UI/qMRMLWindowLevelWidget.ui
 )
   
 QT4_WRAP_CPP(qMRMLWidgets_SRCS ${qMRMLWidgets_MOC_SRCS})

Libs/qMRMLWidgets/Plugins/CMakeLists.txt

@@ -27,7 +27,9 @@ SET(designer_plugin_SRCS
   qMRMLWidgetsAbstractPlugin.cxx
   qMRMLWidgetsAbstractPlugin.h
   qMRMLWidgetsPlugin.cxx  
-  qMRMLWidgetsPlugin.h  
+  qMRMLWidgetsPlugin.h
+  qMRMLWindowLevelWidgetPlugin.cxx
+  qMRMLWindowLevelWidgetPlugin.h
   )
 
 # Headers that should run through moc
@@ -42,6 +44,7 @@ SET(designer_plugin_MOC_SRCS
   qMRMLSceneFactoryWidgetPlugin.h
   qMRMLTransformSlidersPlugin.h
   qMRMLTreeWidgetPlugin.h
+  qMRMLWindowLevelWidgetPlugin.h
   )
 
 SET(designer_plugin_TARGET_LIBRARIES

Libs/qMRMLWidgets/Plugins/qMRMLWidgetsPlugin.h

@@ -9,6 +9,7 @@
 #include "qMRMLNodeTreeSelectorPlugin.h"
 #include "qMRMLTransformSlidersPlugin.h"
 #include "qMRMLTreeWidgetPlugin.h"
+#include "qMRMLWindowLevelWidgetPlugin.h"
 #include "qMRMLSceneFactoryWidgetPlugin.h"
 
 #include <QDesignerCustomWidgetCollectionInterface>
@@ -33,6 +34,7 @@ public:
             << new qMRMLNodeTreeSelectorPlugin
             << new qMRMLTransformSlidersPlugin
             << new qMRMLTreeWidgetPlugin
+            << new qMRMLWindowLevelWidgetPlugin
             << new qMRMLSceneFactoryWidgetPlugin;
     return plugins;
     }

Libs/qMRMLWidgets/Plugins/qMRMLWindowLevelWidgetPlugin.cxx

+#include "qMRMLWindowLevelWidgetPlugin.h"
+#include "qMRMLWindowLevelWidget.h"
+
+qMRMLWindowLevelWidgetPlugin::qMRMLWindowLevelWidgetPlugin(QObject *_parent)
+        : QObject(_parent)
+{
+}
+
+QWidget *qMRMLWindowLevelWidgetPlugin::createWidget(QWidget *_parent)
+{
+  qMRMLWindowLevelWidget* _widget = new qMRMLWindowLevelWidget(_parent);
+  return _widget;
+}
+
+QString qMRMLWindowLevelWidgetPlugin::domXml() const
+{
+  return "<widget class=\"qMRMLWindowLevelWidget\" \
+          name=\"MRMLWindowLevelWidget\">\n"
+          " <property name=\"geometry\">\n"
+          "  <rect>\n"
+          "   <x>0</x>\n"
+          "   <y>0</y>\n"
+          "   <width>200</width>\n"
+          "   <height>20</height>\n"
+          "  </rect>\n"
+          " </property>\n"
+          "</widget>\n";
+}
+
+QIcon qMRMLWindowLevelWidgetPlugin::icon() const
+{
+  return QIcon(":/Icons/combobox.png");
+}
+
+QString qMRMLWindowLevelWidgetPlugin::includeFile() const
+{
+  return "qMRMLWindowLevelWidget.h";
+}
+
+bool qMRMLWindowLevelWidgetPlugin::isContainer() const
+{
+  return false;
+}
+
+QString qMRMLWindowLevelWidgetPlugin::name() const
+{
+  return "qMRMLWindowLevelWidget";
+}

Libs/qMRMLWidgets/Plugins/qMRMLWindowLevelWidgetPlugin.h

+#ifndef __qMRMLWindowLevelWidgetPlugin_h
+#define __qMRMLWindowLevelWidgetPlugin_h
+
+#include "qMRMLWidgetsAbstractPlugin.h"
+
+class QMRML_WIDGETS_PLUGIN_EXPORT qMRMLWindowLevelWidgetPlugin : public QObject,
+                                         public qMRMLWidgetsAbstractPlugin
+{
+  Q_OBJECT
+
+public:
+  qMRMLWindowLevelWidgetPlugin(QObject *_parent = 0);
+  
+  QWidget *createWidget(QWidget *_parent);
+  QString  domXml() const;
+  QIcon    icon() const;
+  QString  includeFile() const;
+  bool     isContainer() const;
+  QString  name() const;
+  
+};
+
+#endif
+

Libs/qMRMLWidgets/Resources/UI/qMRMLWindowLevelWidget.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>qMRMLWindowLevelWidget</class>
+ <widget class="QWidget" name="qMRMLWindowLevelWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>381</width>
+    <height>137</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QWidget" name="horizontalLayoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>40</y>
+     <width>321</width>
+     <height>80</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QLabel" name="label">
+      <property name="text">
+       <string>Window/Level: </string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QComboBox" name="AutoManualComboBox">
+      <item>
+       <property name="text">
+        <string>Manual</string>
+       </property>
+      </item>
+      <item>
+       <property name="text">
+        <string>Auto</string>
+       </property>
+      </item>
+     </widget>
+    </item>
+    <item>
+     <widget class="qCTKRangeSlider" name="WindowLevelRangeSlider">
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>qCTKRangeSlider</class>
+   <extends>QSlider</extends>
+   <header>qCTKRangeSlider.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

Libs/qMRMLWidgets/qMRMLWindowLevelWidget.cxx

+
+#include "qMRMLWindowLevelWidget.h"
+#include "ui_qMRMLWindowLevelWidget.h"
+
+// qMRML includes
+#include "qMRMLUtils.h"
+
+// MRML includes
+#include "vtkMRMLScalarVolumeNode.h"
+#include "vtkMRMLScalarVolumeDisplayNode.h"
+
+// VTK includes
+#include "vtkSmartPointer.h"
+
+// QT includes
+#include <QDebug>
+#include <QStack>
+
+
+//-----------------------------------------------------------------------------
+class qMRMLWindowLevelWidgetPrivate: public qCTKPrivate<qMRMLWindowLevelWidget>,
+                                     public Ui_qMRMLWindowLevelWidget
+{
+public:
+  qMRMLWindowLevelWidgetPrivate()
+    {
+    }
+    
+};
+
+// --------------------------------------------------------------------------
+qMRMLWindowLevelWidget::qMRMLWindowLevelWidget(QWidget* _parent) : Superclass(_parent)
+{
+  QCTK_INIT_PRIVATE(qMRMLWindowLevelWidget);
+  QCTK_D(qMRMLWindowLevelWidget);
+  
+  d->setupUi(this);
+
+  this->VolumeNode = NULL;
+  this->VolumeDisplayNode = NULL;
+
+  this->setAutoWindowLevel(1);
+
+  // TODO replace with double window/level
+  this->connect(d->WindowLevelRangeSlider, SIGNAL(rangeValuesChanged(int,int)),
+                SLOT(setWindowLevel(int, int)));
+  this->connect(d->AutoManualComboBox, SIGNAL(currentIndexChanged(int)),
+                SLOT(setAutoWindowLevel(int)));
+
+  // disable as there is not MRML Node associated with the widget
+  this->setEnabled(false);
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setAutoWindowLevel(int autoWindowLevel)
+{
+  QCTK_D(qMRMLWindowLevelWidget);
+  
+  if (this->VolumeDisplayNode)
+  {
+    this->VolumeDisplayNode->SetAutoWindowLevel(autoWindowLevel);
+    if (this->VolumeNode && autoWindowLevel == 1)
+    {
+      this->VolumeNode->CalculateAutoLevels();
+    }
+  }
+}
+
+// --------------------------------------------------------------------------
+int qMRMLWindowLevelWidget::autoWindowLevel() const
+{
+  QCTK_D(const qMRMLWindowLevelWidget);
+  
+  // Assumes settings of the sliders are all the same
+  return d->AutoManualComboBox->currentIndex();
+}
+
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setWindowLevel(double window, double level)
+{
+  if (this->VolumeDisplayNode)
+  {
+    double oldWindow = this->VolumeDisplayNode->GetWindow();
+    double oldLevel  = this->VolumeDisplayNode->GetLevel();
+
+    int disabledModify = this->VolumeDisplayNode->StartModify();
+    this->VolumeDisplayNode->SetWindow(window);
+    this->VolumeDisplayNode->SetLevel(level);
+    if (oldWindow != this->VolumeDisplayNode->GetWindow() ||
+        oldLevel  != this->VolumeDisplayNode->GetLevel())
+    {
+      this->VolumeDisplayNode->SetAutoWindowLevel(0);
+    }
+    this->VolumeDisplayNode->EndModify(disabledModify);
+  }
+}
+
+// TODO remove when range becomes double
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setWindowLevel(int window, int level)
+{
+  this->setWindowLevel((double)window, (double)level);
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setWindow(double window)
+{
+  if (this->VolumeDisplayNode)
+  {
+    double oldWindow = this->VolumeDisplayNode->GetWindow();
+
+    int disabledModify = this->VolumeDisplayNode->StartModify();
+    this->VolumeDisplayNode->SetWindow(window);
+    if (oldWindow != this->VolumeDisplayNode->GetWindow())
+    {
+      this->VolumeDisplayNode->SetAutoWindowLevel(0);
+    }
+    this->VolumeDisplayNode->EndModify(disabledModify);
+
+  }
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setLevel(double level)
+{
+  if (this->VolumeDisplayNode)
+  {
+    double oldLevel  = this->VolumeDisplayNode->GetLevel();
+
+    int disabledModify = this->VolumeDisplayNode->StartModify();
+    this->VolumeDisplayNode->SetLevel(level);
+    if (oldLevel  != this->VolumeDisplayNode->GetLevel())
+    {
+      this->VolumeDisplayNode->SetAutoWindowLevel(0);
+    }
+    this->VolumeDisplayNode->EndModify(disabledModify);
+
+  }
+}
+
+// --------------------------------------------------------------------------
+double qMRMLWindowLevelWidget::window() const
+{
+  QCTK_D(const qMRMLWindowLevelWidget);
+
+  double min = d->WindowLevelRangeSlider->rangeMinimum();
+  double max = d->WindowLevelRangeSlider->rangeMaximum();
+
+  return max - min;
+}
+
+// --------------------------------------------------------------------------
+double qMRMLWindowLevelWidget::level() const
+{
+  QCTK_D(const qMRMLWindowLevelWidget);
+
+  double min = d->WindowLevelRangeSlider->rangeMinimum();
+  double max = d->WindowLevelRangeSlider->rangeMaximum();
+
+  return 0.5*(max + min);
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setMRMLVolumeDisplayNode(vtkMRMLScalarVolumeDisplayNode* node)
+{
+
+  // each time the node is modified, the qt widgets are updated
+  this->qvtkReconnect(this->VolumeDisplayNode, node, 
+                       vtkCommand::ModifiedEvent, this, SLOT(updateWidgetFromMRML()));
+
+  this->VolumeDisplayNode = node;
+
+  this->setEnabled(node != 0);
+  
+  this->updateWidgetFromMRML();
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setMRMLVolumeNode(vtkMRMLNode* node)
+{
+  this->setMRMLVolumeNode(vtkMRMLScalarVolumeNode::SafeDownCast(node));
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setMRMLVolumeNode(vtkMRMLScalarVolumeNode* volumeNode)
+{
+  QCTK_D(qMRMLWindowLevelWidget);
+  
+  if (volumeNode) 
+  {
+    // TODO: set image data range in the range widget
+    // d->WindowLevelRangeSlider  volumeNode->GetImageData()->GetScalarRange()
+    this->setMRMLVolumeDisplayNode(vtkMRMLScalarVolumeDisplayNode::SafeDownCast(
+              volumeNode->GetVolumeDisplayNode()));
+  }
+  this->VolumeNode = volumeNode;
+}
+
+
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setMinimum(double min)
+{
+  QCTK_D(qMRMLWindowLevelWidget);
+  // TODO set min in the range widget d->WindowLevelRangeSlider
+}
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::setMaximum(double max)
+{
+  QCTK_D(qMRMLWindowLevelWidget);
+  // TODO set max in the range widget d->WindowLevelRangeSlider
+
+}
+
+
+// --------------------------------------------------------------------------
+void qMRMLWindowLevelWidget::updateWidgetFromMRML()
+{
+  QCTK_D(qMRMLWindowLevelWidget);
+  
+  if (this->VolumeDisplayNode) 
+  {
+    int oldAuto = d->AutoManualComboBox->currentIndex();
+    double oldMin = d->WindowLevelRangeSlider->rangeMinimum();
+    double oldMax = d->WindowLevelRangeSlider->rangeMaximum();
+
+    double window = this->VolumeDisplayNode->GetWindow();
+    double level = this->VolumeDisplayNode->GetLevel();
+    d->AutoManualComboBox->setCurrentIndex(this->VolumeDisplayNode->GetAutoWindowLevel());
+    d->WindowLevelRangeSlider->setRange(level - 0.5 * window, level + 0.5 * window);
+
+    if (oldAuto != d->AutoManualComboBox->currentIndex())
+    {
+       emit this->autoWindowLevelValueChanged(d->AutoManualComboBox->currentIndex());
+    }
+
+    if (oldMin != d->WindowLevelRangeSlider->rangeMinimum() ||
+        oldMax != d->WindowLevelRangeSlider->rangeMaximum() )
+    {
+      emit this->windowLevelValuesChanged(window, level);
+    }
+  }
+
+}

Libs/qMRMLWidgets/qMRMLWindowLevelWidget.h

+#ifndef __qMRMLWindowLevelWidget_h
+#define __qMRMLWindowLevelWidget_h
+
+
+/// qVTK includes
+#include <qVTKObject.h>
+
+/// qCTK includes
+#include <qCTKPimpl.h>
+
+/// QT includes
+#include <QWidget>
+
+#include "qMRMLWidgetsExport.h"
+
+class vtkMRMLNode;
+class vtkMRMLScalarVolumeDisplayNode;
+class vtkMRMLScalarVolumeNode;
+class qMRMLWindowLevelWidgetPrivate;
+
+class QMRML_WIDGETS_EXPORT qMRMLWindowLevelWidget : public QWidget
+{
+  Q_OBJECT
+  QVTK_OBJECT
+
+  Q_PROPERTY(int autoWindowLevel READ autoWindowLevel WRITE setAutoWindowLevel)
+  Q_PROPERTY(double window READ window WRITE setWindow)
+  Q_PROPERTY(double level READ level WRITE setLevel)
+
+public:
+  /// Constructors
+  typedef QWidget Superclass;
+  explicit qMRMLWindowLevelWidget(QWidget* parent);
+  virtual ~qMRMLWindowLevelWidget(){}
+
+  int autoWindowLevel() const;
+
+  /// 
+  /// Get window
+  double window()const;
+
+  /// 
+  /// Get level
+  double level()const;
+
+  /// 
+  /// Return the current MRML node of interest
+  vtkMRMLScalarVolumeNode* mrmlVolumeNode()const
+    { return this->VolumeNode; };
+
+signals:
+  /// 
+  /// Signal sent if the window/level value is updated
+  void windowLevelValuesChanged(double window, double level);
+  /// 
+  /// Signal sent if the auto/manual value is updated
+  void autoWindowLevelValueChanged(int value);
+
+public slots:
+  ///
+  /// Set Auto/Manual mode
+  void setAutoWindowLevel(int autoWindowLevel);
+
+  /// 
+  /// Set window
+  void setWindow(double window);
+
+  /// 
+  /// Set level
+  void setLevel(double level);
+
+  /// 
+  /// Sset window/level in once
+  void setWindowLevel(double window, double level);
+  // TODO remove when range becomes double
+  void setWindowLevel(int window, int level);
+
+  /// 
+  /// Set the MRML node of interest
+  void setMRMLVolumeNode(vtkMRMLScalarVolumeNode* displayNode);
+  void setMRMLVolumeNode(vtkMRMLNode* node);
+
+
+protected slots:
+
+  /// update widget GUI from MRML node
+  void updateWidgetFromMRML();
+
+protected:
+  /// 
+  /// Return the current MRML display node
+  vtkMRMLScalarVolumeDisplayNode* mrmlDisplayNode()const 
+    { return this->VolumeDisplayNode;};
+
+  /// 
+  /// Set current MRML display node
+  void setMRMLVolumeDisplayNode(vtkMRMLScalarVolumeDisplayNode* displayNode);
+
+  /// 
+  /// Set sliders range
+  void setMinimum(double min);
+  void setMaximum(double max);
+
+
+private:
+  QCTK_DECLARE_PRIVATE(qMRMLWindowLevelWidget);
+
+  vtkMRMLScalarVolumeNode* VolumeNode;
+  vtkMRMLScalarVolumeDisplayNode* VolumeDisplayNode;
+};
+
+#endif

QTModules/CMakeLists.txt

@@ -18,7 +18,7 @@ INCLUDE(${Slicer3_CMAKE_DIR}/Slicer3QTModuleMacros.cmake)
 
 SET(qtmodules
   SlicerWelcome
-  #Volumes
+  Volumes
   Measurements
   TractographyFiducialSeeding
   )

QTModules/Volumes/Resources/UI/qSlicerVolumesModule.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>qSlicerVolumesModule</class>
- <widget class="QWidget" name="qSlicerVolumesModule">
+ <widget class="qSlicerWidget" name="qSlicerVolumesModule">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>507</width>
-    <height>822</height>
+    <width>681</width>
+    <height>549</height>
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Volumes</string>
+   <string>Form</string>
   </property>
-  <property name="windowIcon">
-   <iconset resource="../qSlicerVolumesModule.qrc">
-    <normaloff>:/Icons/Volumes.png</normaloff>:/Icons/Volumes.png</iconset>
-  </property>
-  <layout class="QVBoxLayout" name="verticalLayout_2">
-   <property name="spacing">
-    <number>2</number>
-   </property>
-   <property name="margin">
-    <number>2</number>
-   </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Active Volume</string>
+       </property>
+      </widget>
+     </item>