Add a methor for getting list of added input handlers

Theme and axes which have similar add/release ownership handling
also have this kind of method, so added it for completeness.

Change-Id: I4ebefb4779bc6e65bcfd96fe3fae155ef2ff667a
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

4 files changed, 17 insertions, 0 deletions

diff --git a/src/datavisualization/engine/abstract3dcontroller.cpp b/src/datavisualization/engine/abstract3dcontroller.cpp
index da2e2a14..43d7a6d5 100644
--- a/src/datavisualization/engine/abstract3dcontroller.cpp
+++ b/src/datavisualization/engine/abstract3dcontroller.cpp
@@ -598,6 +598,11 @@ QAbstract3DInputHandler* Abstract3DController::activeInputHandler()
     return m_activeInputHandler;
 }
 
+QList<QAbstract3DInputHandler *> Abstract3DController::inputHandlers() const
+{
+    return m_inputHandlers;
+}
+
 int Abstract3DController::zoomLevel()
 {
     return m_scene->activeCamera()->zoomLevel();
diff --git a/src/datavisualization/engine/abstract3dcontroller_p.h b/src/datavisualization/engine/abstract3dcontroller_p.h
index 9c24844f..1e64d05a 100644
--- a/src/datavisualization/engine/abstract3dcontroller_p.h
+++ b/src/datavisualization/engine/abstract3dcontroller_p.h
@@ -187,6 +187,7 @@ public:
     virtual void releaseInputHandler(QAbstract3DInputHandler *inputHandler);
     virtual void setActiveInputHandler(QAbstract3DInputHandler *inputHandler);
     virtual QAbstract3DInputHandler *activeInputHandler();
+    virtual QList<QAbstract3DInputHandler *> inputHandlers() const;
 
     virtual int zoomLevel();
     virtual void setZoomLevel(int zoomLevel);
diff --git a/src/datavisualization/engine/qabstract3dgraph.cpp b/src/datavisualization/engine/qabstract3dgraph.cpp
index 8968ebb0..3a7fc84b 100644
--- a/src/datavisualization/engine/qabstract3dgraph.cpp
+++ b/src/datavisualization/engine/qabstract3dgraph.cpp
@@ -149,6 +149,16 @@ QAbstract3DInputHandler *QAbstract3DGraph::activeInputHandler()
 }
 
 /*!
+ * \return list of all added input handlers.
+ *
+ * \sa addInputHandler()
+ */
+QList<QAbstract3DInputHandler *> QAbstract3DGraph::inputHandlers() const
+{
+    return d_ptr->m_visualController->inputHandlers();
+}
+
+/*!
  * Adds the given \a theme to the graph. The themes added via addTheme are not taken in to use
  * directly. Only the ownership of the a\ theme is given to the graph.
  * The \a theme must not be null or already added to another graph.
diff --git a/src/datavisualization/engine/qabstract3dgraph.h b/src/datavisualization/engine/qabstract3dgraph.h
index f2d7eb48..a7241004 100644
--- a/src/datavisualization/engine/qabstract3dgraph.h
+++ b/src/datavisualization/engine/qabstract3dgraph.h
@@ -53,6 +53,7 @@ public:
     void releaseInputHandler(QAbstract3DInputHandler *inputHandler);
     void setActiveInputHandler(QAbstract3DInputHandler *inputHandler);
     QAbstract3DInputHandler *activeInputHandler();
+    QList<QAbstract3DInputHandler *> inputHandlers() const;
 
     void addTheme(Q3DTheme *theme);
     void releaseTheme(Q3DTheme *theme);