minimum effort to deal with point_cloud_editor's weak_ptr

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/cloud.h

@@ -44,6 +44,9 @@
 #include <QtGui/QColor>
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 #include <pcl/apps/point_cloud_editor/statistics.h>
+
+#include <pcl/memory.h>  // for pcl::weak_ptr
+
 #ifdef OPENGL_IS_A_FRAMEWORK
 # include <OpenGL/gl.h>
 # include <OpenGL/glu.h>
@@ -75,6 +78,12 @@
 class Cloud : public Statistics
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
+    /// The type for weak pointer pointing to a selection buffer
+    using SelectionWeakPtr = pcl::weak_ptr<Selection>;
+
     /// @brief Default Constructor
     Cloud ();
 
@@ -412,7 +421,7 @@ class Cloud : public Statistics
     /// @brief A weak pointer pointing to the selection object.
     /// @details This implementation uses the weak pointer to allow for a lazy
     /// update of the cloud if the selection object is destroyed.
-    std::weak_ptr<Selection> selection_wk_ptr_;
+    SelectionWeakPtr selection_wk_ptr_;
 
     /// Flag that indicates whether a color ramp should be used (true) or not
     /// (false) when displaying the cloud

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/cloudEditorWidget.h

@@ -47,16 +47,23 @@
 #include <pcl/apps/point_cloud_editor/statisticsDialog.h>
 #include <pcl/apps/point_cloud_editor/toolInterface.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
 #include <QGLWidget>
 
 #include <functional>
 
+class Selection;
+
 /// @brief class declaration for the widget for editing and viewing
 /// point clouds.
 class CloudEditorWidget : public QGLWidget
 {
   Q_OBJECT
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param parent a pointer which points to the parent widget
     CloudEditorWidget (QWidget *parent = nullptr);

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/copyCommand.h

@@ -44,9 +44,16 @@
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 #include <pcl/apps/point_cloud_editor/copyBuffer.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
+class Selection;
+
 class CopyCommand : public Command
 {
   public:
+    /// The type for shared pointer pointing to a constant selection buffer
+    using ConstSelectionPtr = pcl::shared_ptr<const Selection>;
+
     /// @brief Constructor
     /// @param copy_buffer_ptr a shared pointer pointing to the copy buffer.
     /// @param selection_ptr a shared pointer pointing to the selection object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/cutCommand.h

@@ -45,9 +45,14 @@
 #include <pcl/apps/point_cloud_editor/copyBuffer.h>
 #include <pcl/apps/point_cloud_editor/selection.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
 class CutCommand : public Command
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param copy_buffer_ptr a shared pointer pointing to the copy buffer.
     /// @param selection_ptr a shared pointer pointing to the selection object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/deleteCommand.h

@@ -45,9 +45,14 @@
 #include <pcl/apps/point_cloud_editor/copyBuffer.h>
 #include <pcl/apps/point_cloud_editor/selection.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
 class DeleteCommand : public Command
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param selection_ptr A shared pointer pointing to the selection object.
     /// @param cloud_ptr A shared pointer pointing to the cloud object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/denoiseCommand.h

@@ -47,9 +47,14 @@
 #include <pcl/apps/point_cloud_editor/selection.h>
 #include <pcl/apps/point_cloud_editor/copyBuffer.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
 class DenoiseCommand : public Command
 {
 public:
+  /// The type for shared pointer pointing to a selection buffer
+  using SelectionPtr = pcl::shared_ptr<Selection>;
+
   /// @brief Constructor
   /// @param selection_ptr a shared pointer pointing to the selection object.
   /// @param cloud_ptr a shared pointer pointing to the cloud object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/pasteCommand.h

@@ -43,9 +43,14 @@
 #include <pcl/apps/point_cloud_editor/command.h>
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
 class PasteCommand : public Command
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param copy_buffer_ptr a shared pointer pointing to the copy buffer.
     /// @param selection_ptr a shared pointer pointing to the selection object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/select1DTool.h

@@ -42,9 +42,16 @@
 #include <pcl/apps/point_cloud_editor/toolInterface.h>
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
+class Selection;
+
 class Select1DTool : public ToolInterface
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param selection_ptr a shared pointer pointing to the selection object.
     /// @param cloud_ptr a shared pointer pointing to the cloud object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/select2DTool.h

@@ -44,9 +44,16 @@
 #include <pcl/apps/point_cloud_editor/toolInterface.h>
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
+class Selection;
+
 class Select2DTool : public ToolInterface
 {
   public:
+    /// The type for shared pointer pointing to a selection buffer
+    using SelectionPtr = pcl::shared_ptr<Selection>;
+
     /// @brief Constructor
     /// @param selection_ptr a shared pointer pointing to the selection object.
     /// @param cloud_ptr a shared pointer pointing to the cloud object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/selectionTransformTool.h

@@ -43,6 +43,10 @@
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 #include <pcl/apps/point_cloud_editor/trackball.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
+class Selection;
+
 /// @brief The selection transform tool computes the transform matrix from
 /// mouse input.  It then updates the cloud's transform matrix for the
 /// selected points so that the transformed and selected points will be
@@ -53,6 +57,9 @@
 class SelectionTransformTool : public ToolInterface
 {
   public:
+    /// The type for shared pointer pointing to a constant selection buffer
+    using ConstSelectionPtr = pcl::shared_ptr<const Selection>;
+
     /// @brief Constructor
     /// @param selection_ptr a shared pointer pointing to the selection object.
     /// @param cloud_ptr a shared pointer pointing to the cloud object.

apps/point_cloud_editor/include/pcl/apps/point_cloud_editor/transformCommand.h

@@ -44,9 +44,16 @@
 #include <pcl/apps/point_cloud_editor/localTypes.h>
 #include <pcl/apps/point_cloud_editor/cloud.h>
 
+#include <pcl/memory.h>  // for pcl::shared_ptr
+
+class Selection;
+
 class TransformCommand : public Command
 {
   public:
+    /// The type for shared pointer pointing to a constant selection buffer
+    using ConstSelectionPtr = pcl::shared_ptr<const Selection>;
+
     /// @brief Constructor
     /// @param selection_ptr a shared pointer pointing to the selection object.
     /// @param cloud_ptr a shared pointer pointing to the cloud object.