+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
+// File: XGUI_Displayer.h
+// Created: 20 Apr 2014
+// Author: Natalia ERMOLAEVA
+
#ifndef XGUI_Displayer_H
#define XGUI_Displayer_H
#include "XGUI.h"
-#include <QString>
-
+#include <GeomAPI_AISObject.h>
#include <TopoDS_Shape.hxx>
+#include <AIS_InteractiveObject.hxx>
+#include <AIS_InteractiveContext.hxx>
+#include <NCollection_List.hxx>
+
+#include <ModelAPI_Result.h>
+
+#include <ModuleBase_Definitions.h>
+#include <ModuleBase_ViewerPrs.h>
+
+#include <GeomAPI_ICustomPrs.h>
+
+#include <SelectMgr_AndFilter.hxx>
+
+#include <QString>
+#include <QMap>
+#include <QObject>
+#include <QColor>
-class XGUI_Viewer;
class ModelAPI_Feature;
+class XGUI_Workshop;
/**\class XGUI_Displayer
* \ingroup GUI
- * \brief Displayer. Provides mechanizm of displa/erase of objects in viewer
+ * \brief Displayer. Provides mechanizm of display/erase of objects in the viewer
*/
-class XGUI_EXPORT XGUI_Displayer
+class XGUI_EXPORT XGUI_Displayer: public QObject
{
-public:
- XGUI_Displayer(XGUI_Viewer* theViewer);
+ Q_OBJECT
+ public:
+ /// \enum DisplayMode display mode
+ enum DisplayMode {
+ /// Mode is not defined
+ NoMode = -1,
+ /// Wireframe display mode
+ Wireframe,
+ /// Shading display mode
+ Shading
+ };
+
+ /// Constructor
+ /// \param theWorkshop a workshop instance
+ XGUI_Displayer(XGUI_Workshop* theWorkshop);
+
+ /// Destructor
virtual ~XGUI_Displayer();
- void Display(std::shared_ptr<ModelAPI_Feature> theFeature);
+ /// Returns the feature visibility state.
+ /// \param theObject an object instance
+ bool isVisible(ObjectPtr theObject) const;
+
+ /// Display the feature. Obtain the visualized object from the feature.
+ /// \param theObject an object to display
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool display(ObjectPtr theObject, bool theUpdateViewer = true);
+
+ /// Display the given AIS object. This object is not added to the displayer internal map of objects
+ /// So, it can not be obtained from displayer. This is just a wrap method of OCC display in order
+ /// to perform the display with correct flags.
+ /// \param theAIS AIOS object to display
+ /// \param toActivateInSelectionModes boolean value whether the presentation should be
+ /// activated in the current selection modes
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool displayAIS(AISObjectPtr theAIS, const bool toActivateInSelectionModes,
+ bool theUpdateViewer = true);
+
+ /// Redisplay the shape if it was displayed
+ /// \param theObject an object instance
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool redisplay(ObjectPtr theObject, bool theUpdateViewer = true);
+
+ /// Sends and flushes a signal to redisplay all visualized objects.
+ void redisplayObjects();
+
+ /// Add presentations to current selection. It unhighlight and deselect the current selection.
+ /// The shape and result components are processed in the values. If the presentation shape is not
+ /// empty, select it, otherwise select the result.
+ /// \param theValues a list of presentation to be selected
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ void setSelected(const QList<ModuleBase_ViewerPrs>& theValues, bool theUpdateViewer = true);
+
+ /// Unselect all objects
+ void clearSelected();
+
+ /// Erase the feature and a shape.
+ /// \param theObject an object instance
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool erase(ObjectPtr theObject, const bool theUpdateViewer = true);
+
+ /// Erase the given AIS object displayed by corresponded display method
+ /// \param theAIS instance of AIS object
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool eraseAIS(AISObjectPtr theAIS, const bool theUpdateViewer = true);
+
+ /// Erase all presentations
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool eraseAll(const bool theUpdateViewer = true);
+
+ /// Deactivates selection of sub-shapes
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ void closeLocalContexts(const bool theUpdateViewer = true);
+
+ // Remove default selection filters of the module from the current viewer
+ void deactivateSelectionFilters();
+
+ /// \brief Add selection filter
+ /// \param theFilter a filter instance
+ void addSelectionFilter(const Handle(SelectMgr_Filter)& theFilter);
+
+ /// \brief Remove selection filter
+ /// \param theFilter a filter instance
+ void removeSelectionFilter(const Handle(SelectMgr_Filter)& theFilter);
+
+ /// Returns true if the selection filter is set to the viewer
+ /// \param theFilter a selection filter
+ virtual bool hasSelectionFilter(const Handle(SelectMgr_Filter)& theFilter);
+
+ /// Remove all selection filters
+ void removeFilters();
+
+ /// Sets a flag to the displayer whether the internal viewer can be updated by
+ /// the updateViewer method call. If it is not enabled, this method do nothing
+ /// \param isEnabled a boolean value
+ bool enableUpdateViewer(const bool isEnabled);
+
+ /// Updates the viewer
+ void updateViewer() const;
+
+ /// Activate interactive context
+ /// \param theIO
+ /// \param theMode
+ void activateAIS(const Handle(AIS_InteractiveObject)& theIO, const int theMode,
+ const bool theUpdateViewer) const;
+
+ /// Activate interactive context. It is necessary to call ClearOutdatedSelection after deactivation
+ void deactivateAIS(const Handle(AIS_InteractiveObject)& theIO, const int theMode = -1) const;
+
+ /// Searches the interactive object by feature
+ /// \param theObject the object or presentable feature
+ /// \return theIO an interactive object
+ AISObjectPtr getAISObject(ObjectPtr theObject) const;
+
+ /// Searches the feature by interactive object
+ /// \param theIO an interactive object
+ /// \return feature the feature or NULL if it not visualized
+ ObjectPtr getObject(const AISObjectPtr& theIO) const;
+
+ /// Searches the feature by interactive object
+ /// \param theIO an interactive object
+ /// \return corresponded object or NULL if it not found
+ ObjectPtr getObject(const Handle(AIS_InteractiveObject)& theIO) const;
+
+ /// Deactivates the given objects (not allow selection)
+ /// \param theObjList - list of objects which has to be deactivated.
+ /// \param theUpdateViewer update viewer flag
+ void deactivateObjects(const QObjectPtrList& theObjList,
+ const bool theUpdateViewer = true);
+
+ /// Returns the modes of activation
+ /// \param theObject the feature or NULL if it not visualized
+ /// \param theModes - modes on which it is activated (can be empty)
+ void getModesOfActivation(ObjectPtr theObject, QIntList& theModes);
+
+ /// Returns true if the given object can be selected
+ /// \param theObject object to check
+ bool isActive(ObjectPtr theObject) const;
+
+ /// Activates in local context displayed outside of the context.
+ /// \param theModes - modes on which it has to be activated (can be empty)
+ /// \param theObjList - list of objects which has to be activated.
+ void activateObjects(const QIntList& theModes, const QObjectPtrList& theObjList,
+ const bool theUpdateViewer = true);
+
+ /// Sets display mode for the given object if this object is displayed
+ void setDisplayMode(ObjectPtr theObject, DisplayMode theMode, bool theUpdateViewer = true);
+
+ /// Returns current display mode for the given object.
+ /// If object is not dis played then returns NoMode.
+ /// \param theObject object to check
+ DisplayMode displayMode(ObjectPtr theObject) const;
+
+ /// Displays only objects listed in the list
+ /// \param theList list of objects
+ void showOnly(const QObjectPtrList& theList);
+
+ /// Returns number of displayed objects
+ int objectsCount() const { return myResult2AISObjectMap.size(); }
+
+ /// Returns list of displayed objects
+ QObjectPtrList displayedObjects() const { return myResult2AISObjectMap.keys(); }
+
+ /// Returns list of displayed objects
+ QList<AISObjectPtr> displayedPresentations() const { return myResult2AISObjectMap.values(); }
+
+ /// Returns true if the given object can be shown in shaded mode
+ /// \param theObject object to check
+ bool canBeShaded(ObjectPtr theObject) const;
+
+ /// Set color on presentation of an object if it is displayed
+ /// \param theObject an object
+ /// \param theColor a color which has to be set
+ /// \param theUpdateViewer update viewer flag
+ /// \return previously defined color on the object
+ QColor setObjectColor(ObjectPtr theObject, const QColor& theColor, bool theUpdateViewer = true);
+
+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;
+
+ /// Returns the viewer context top filter. If there is no a filter, it is created and set into
+ /// The context should have only this filter inside. Other filters should be add to the filter
+ Handle(SelectMgr_AndFilter) GetFilter();
+
+ /// Display the feature and a shape. This shape would be associated to the given feature
+ /// \param theObject an object instance
+ /// \param theAIS AIS presentation
+ /// \param isShading flag to show in shading mode
+ /// \param theUpdateViewer the parameter whether the viewer should be update immediatelly
+ /// \return true if the object visibility state is changed
+ bool display(ObjectPtr theObject, AISObjectPtr theAIS, bool isShading,
+ bool theUpdateViewer = true);
+
+private:
+ /// Activates the interactive object in the local context.
+ /// \param theIO an interactive object
+ /// \param theModes - modes on which it has to be activated (can be empty)
+ void activate(const Handle(AIS_InteractiveObject)& theIO, const QIntList& theModes,
+ const bool theUpdateViewer) const;
+
+ /// Deactivates the given object (not allow selection)
+ /// \param theObject object to deactivate
+ void deactivate(ObjectPtr theObject, const bool theUpdateViewer);
+
+ /// Find a trihedron in a list of displayed presentations and deactivate it.
+ void deactivateTrihedron() const;
+
+ /// Opens local context. Does nothing if it is already opened.
+ void openLocalContext();
+
+ /// Update the object presentable properties such as color, lines width and other
+ /// 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
+ bool customizeObject(ObjectPtr theObject);
+
+ /// Append the objects in the internal map. Checks whether the map already contains the object
+ /// \param theObject an object to display
+ /// \param theAIS AIOS object to display
+ void appendResultObject(ObjectPtr theObject, AISObjectPtr theAIS);
+
+ /// Returns an information about alredy displayed objects
+ /// \return a string representation
+ std::string getResult2AISObjectMapInfo() const;
+
+ protected:
+ /// Reference to workshop
+ XGUI_Workshop* myWorkshop;
+
+ /// 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;
+
+ /// A map of displayed objects
+ ResultToAISMap myResult2AISObjectMap;
- void Display(std::shared_ptr<ModelAPI_Feature> theFeature, const TopoDS_Shape& theShape);
+ /// Selection modes installed for external objects in local context
+ QIntList myActiveSelectionModes;
-protected:
- XGUI_Viewer* myViewer; ///< the viewer
+ /// the enable update viewer flag
+ bool myEnableUpdateViewer;
};
#endif