Put dimensions presentations on a layer 1

[modules/shaper.git] / src / XGUI / XGUI_Displayer.h

diff --git a/src/XGUI/XGUI_Displayer.h b/src/XGUI/XGUI_Displayer.h
index e5ea6fd05d7995b7bf8d080aad56af2cc1512add..dc3dd6cba29d18d7ef282b5e29c90a3a441e5774 100644 (file)
--- a/src/XGUI/XGUI_Displayer.h
+++ b/src/XGUI/XGUI_Displayer.h
@@ -20,10 +20,13 @@
 #include <ModuleBase_Definitions.h>
 #include <ModuleBase_ViewerPrs.h>
 
+#include <GeomAPI_ICustomPrs.h>
+
 #include <SelectMgr_AndFilter.hxx>
 
 #include <QString>
 #include <QMap>
+#include <QObject>
 
 class ModelAPI_Feature;
 class XGUI_Workshop;
@@ -32,8 +35,9 @@ class XGUI_Workshop;
  * \ingroup GUI
  * \brief Displayer. Provides mechanizm of display/erase of objects in the viewer
  */
-class XGUI_EXPORT XGUI_Displayer
+class XGUI_EXPORT XGUI_Displayer: public QObject
 {
+  Q_OBJECT
  public:
    /// \enum DisplayMode display mode
    enum DisplayMode { 
@@ -183,6 +187,18 @@ class XGUI_EXPORT XGUI_Displayer
   /// \param theObject object to check
   bool canBeShaded(ObjectPtr theObject) const;
 
+
+signals:
+  /// Signal on object display
+  /// \param theObject a data object
+  /// \param theAIS a presentation object
+  void objectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS);
+
+  /// Signal on before object erase
+  /// \param theObject a data object
+  /// \param theAIS a presentation object
+  void beforeObjectErase(ObjectPtr theObject, AISObjectPtr theAIS);
+
  protected:
   /// Returns currently installed AIS_InteractiveContext
   Handle(AIS_InteractiveContext) AISContext() const;
@@ -218,8 +234,9 @@ class XGUI_EXPORT XGUI_Displayer
    * If the object is result with the color attribute value set, it is used,
    * otherwise the customize is applyed to the object's feature if it is a custom prs
    * \param theObject an object instance
+   * \return the true state if there is changes and the presentation is customized
    */
-  void customizeObject(ObjectPtr theObject);
+  bool customizeObject(ObjectPtr theObject);
 
  protected:
    /// Reference to workshop
@@ -228,6 +245,9 @@ class XGUI_EXPORT XGUI_Displayer
   /// A container for selection filters
   Handle(SelectMgr_AndFilter) myAndFilter;
 
+  /// A default custom presentation, which is used if the displayed feature is not a custom presentation
+  GeomCustomPrsPtr myCustomPrs;
+
   /// Definition of a type of map which defines correspondance between objects and presentations
   typedef QMap<ObjectPtr, AISObjectPtr> ResultToAISMap;