ENH: Allow hiding parts of segment editor widget

Custom modules may want to simplify the user interface. For this, some more parts of the segment editor widget can now be hidden by
maskingSectionVisible, specifyGeometryButtonVisible, show3DButtonVisible, addRemoveSegmentButtonsVisible properties.

Modules/Loadable/Segmentations/Widgets/qMRMLSegmentEditorWidget.cxx

@@ -226,6 +226,9 @@ class qMRMLSegmentEditorWidgetPrivate: public Ui_qMRMLSegmentEditorWidget
   bool UnorderedEffectsVisible;
   int EffectColumnCount;
 
+  bool MaskingSectionVisible{ true };
+  bool SpecifyGeometryButtonVisible{ true };
+
   /// List of registered effect instances
   QList<qSlicerSegmentEditorAbstractEffect*> RegisteredEffects;
 
@@ -297,6 +300,10 @@ class qMRMLSegmentEditorWidgetPrivate: public Ui_qMRMLSegmentEditorWidget
   QString DefaultTerminologyEntry;
 };
 
+//-----------------------------------------------------------------------------
+CTK_GET_CPP(qMRMLSegmentEditorWidget, bool, maskingSectionVisible, MaskingSectionVisible);
+CTK_GET_CPP(qMRMLSegmentEditorWidget, bool, specifyGeometryButtonVisible, SpecifyGeometryButtonVisible);
+
 //-----------------------------------------------------------------------------
 qMRMLSegmentEditorWidgetPrivate::qMRMLSegmentEditorWidgetPrivate(qMRMLSegmentEditorWidget& object)
   : q_ptr(&object)
@@ -1696,7 +1703,7 @@ void qMRMLSegmentEditorWidget::updateEffectsSectionFromMRML()
     d->OptionsGroupBox->show();
     d->OptionsGroupBox->setTitle(activeEffect->title());
     d->EffectHelpBrowser->setCollapsibleText(activeEffect->helpText());
-    d->MaskingGroupBox->show();
+    d->MaskingGroupBox->setVisible(d->MaskingSectionVisible);
   }
   else
   {
@@ -3028,7 +3035,7 @@ void qMRMLSegmentEditorWidget::setSourceVolumeNodeSelectorVisible(bool visible)
   Q_D(qMRMLSegmentEditorWidget);
   d->SourceVolumeNodeComboBox->setVisible(visible);
   d->SourceVolumeNodeLabel->setVisible(visible);
-  d->SpecifyGeometryButton->setVisible(visible);
+  d->SpecifyGeometryButton->setVisible(visible && d->SpecifyGeometryButtonVisible);
 }
 
 //-----------------------------------------------------------------------------
@@ -3852,3 +3859,48 @@ bool qMRMLSegmentEditorWidget::jumpToSelectedSegmentEnabled()const
   Q_D(const qMRMLSegmentEditorWidget);
   return d->SegmentsTableView->jumpToSelectedSegmentEnabled();
 }
+
+// --------------------------------------------------------------------------
+void qMRMLSegmentEditorWidget::setMaskingSectionVisible(bool visible)
+{
+  Q_D(qMRMLSegmentEditorWidget);
+  d->MaskingSectionVisible = visible;
+  this->updateEffectsSectionFromMRML();
+}
+
+// --------------------------------------------------------------------------
+void qMRMLSegmentEditorWidget::setSpecifyGeometryButtonVisible(bool visible)
+{
+  Q_D(qMRMLSegmentEditorWidget);
+  d->SpecifyGeometryButtonVisible = visible;
+  d->SpecifyGeometryButton->setVisible(d->SourceVolumeNodeComboBox->isVisible() && d->SpecifyGeometryButtonVisible);
+}
+
+// --------------------------------------------------------------------------
+void qMRMLSegmentEditorWidget::setShow3DButtonVisible(bool visible)
+{
+  Q_D(qMRMLSegmentEditorWidget);
+  d->Show3DButton->setVisible(visible);
+}
+
+// --------------------------------------------------------------------------
+bool qMRMLSegmentEditorWidget::show3DButtonVisible()const
+{
+  Q_D(const qMRMLSegmentEditorWidget);
+  return d->Show3DButton->isVisible();
+}
+
+// --------------------------------------------------------------------------
+void qMRMLSegmentEditorWidget::setAddRemoveSegmentButtonsVisible(bool visible)
+{
+  Q_D(qMRMLSegmentEditorWidget);
+  d->AddSegmentButton->setVisible(visible);
+  d->RemoveSegmentButton->setVisible(visible);
+}
+
+// --------------------------------------------------------------------------
+bool qMRMLSegmentEditorWidget::addRemoveSegmentButtonsVisible()const
+{
+  Q_D(const qMRMLSegmentEditorWidget);
+  return d->AddSegmentButton->isVisible() && d->RemoveSegmentButton->isVisible();
+}

Modules/Loadable/Segmentations/Widgets/qMRMLSegmentEditorWidget.h

@@ -67,6 +67,10 @@ class Q_SLICER_MODULE_SEGMENTATIONS_WIDGETS_EXPORT qMRMLSegmentEditorWidget : pu
   QVTK_OBJECT
   Q_PROPERTY(bool segmentationNodeSelectorVisible READ segmentationNodeSelectorVisible WRITE setSegmentationNodeSelectorVisible)
   Q_PROPERTY(bool sourceVolumeNodeSelectorVisible READ sourceVolumeNodeSelectorVisible WRITE setSourceVolumeNodeSelectorVisible)
+  Q_PROPERTY(bool maskingSectionVisible READ maskingSectionVisible WRITE setMaskingSectionVisible)
+  Q_PROPERTY(bool specifyGeometryButtonVisible READ specifyGeometryButtonVisible WRITE setSpecifyGeometryButtonVisible)
+  Q_PROPERTY(bool show3DButtonVisible READ show3DButtonVisible WRITE setShow3DButtonVisible)
+  Q_PROPERTY(bool addRemoveSegmentButtonsVisible READ addRemoveSegmentButtonsVisible WRITE setAddRemoveSegmentButtonsVisible)
   Q_PROPERTY(bool autoShowSourceVolumeNode READ autoShowSourceVolumeNode WRITE setAutoShowSourceVolumeNode)
   Q_PROPERTY(bool masterVolumeNodeSelectorVisible READ masterVolumeNodeSelectorVisible WRITE setMasterVolumeNodeSelectorVisible) // deprecated
   Q_PROPERTY(bool autoShowMasterVolumeNode READ autoShowMasterVolumeNode WRITE setAutoShowMasterVolumeNode) // deprecated
@@ -188,6 +192,18 @@ class Q_SLICER_MODULE_SEGMENTATIONS_WIDGETS_EXPORT qMRMLSegmentEditorWidget : pu
     return this->autoShowSourceVolumeNode();
   };
 
+  /// Show/hide the masking section
+  bool maskingSectionVisible() const;
+
+  /// Show/hide the specify geometry button
+  bool specifyGeometryButtonVisible() const;
+
+  /// Show/hide the 3D button
+  bool show3DButtonVisible() const;
+
+  /// Show/hide the add/remove segment buttons
+  bool addRemoveSegmentButtonsVisible() const;
+
   /// Show/hide the switch to Segmentations module button
   bool switchToSegmentationsButtonVisible() const;
   /// Undo/redo enabled.
@@ -322,6 +338,18 @@ public slots:
   /// displayed in slice views when a new source volume is selected or layout is changed.
   /// Enabled by default.
   void setAutoShowSourceVolumeNode(bool);
+  /// Set masking section visible
+  /// If set to false then masking section always remains hidden.
+  void setMaskingSectionVisible(bool);
+  /// Show/hide the specify geometry button
+  /// If set to false then the button is always hidden.
+  void setSpecifyGeometryButtonVisible(bool);
+  /// Show/hide the 3D button
+  /// If set to false then the button is always hidden.
+  void setShow3DButtonVisible(bool);
+  /// Show/hide the add/remove segment buttons
+  /// If set to false then the buttons are always hidden.
+  void setAddRemoveSegmentButtonsVisible(bool);
   /// Show/hide the switch to Segmentations module button
   void setSwitchToSegmentationsButtonVisible(bool);
   /// Undo/redo enabled.