Added transform control and select entities GUI plugins

examples/worlds/minimal_scene.sdf

@@ -11,13 +11,13 @@ Features:
 * Markers
 * Tape measure
 * Grid config
+* Select entities
+* Transform controls
 
 Missing for parity with GzScene3D:
 
 * Spawn entities through GUI
 * Context menu
-* Transform controls
-* Select entities
 * Record video
 * View angles
 * View collisions, wireframe, transparent, CoM, etc
@@ -97,6 +97,19 @@ Missing for parity with GzScene3D:
           <property key="showTitleBar" type="bool">false</property>
         </ignition-gui>
       </plugin>
+      <plugin filename="SelectEntities" name="Select Entities">
+        <ignition-gui>
+          <anchors target="Select entities">
+            <line own="right" target="right"/>
+            <line own="top" target="top"/>
+          </anchors>
+          <property key="resizable" type="bool">false</property>
+          <property key="width" type="double">5</property>
+          <property key="height" type="double">5</property>
+          <property key="state" type="string">floating</property>
+          <property key="showTitleBar" type="bool">false</property>
+        </ignition-gui>
+      </plugin>
 
       <!-- World control -->
       <plugin filename="WorldControl" name="World control">
@@ -187,6 +200,9 @@ Missing for parity with GzScene3D:
           <property key="showTitleBar" type="bool">false</property>
           <property key="cardBackground" type="string">#777777</property>
         </ignition-gui>
+
+        <!-- disable legacy features used to connect this plugin to GzScene3D -->
+        <legacy>false</legacy>
       </plugin>
 
       <!-- Screenshot -->

include/ignition/gazebo/gui/GuiEvents.hh

@@ -98,6 +98,30 @@ namespace events
     /// \brief Whether the event was generated by the user,
     private: bool fromUser{false};
   };
+
+  /// \brief True if a transform control is currently active (translate /
+  /// rotate / scale). False if we're in selection mode.
+  class TransformControlModeActive : public QEvent
+  {
+    /// \brief Constructor
+    /// \param[in] _tranformModeActive is the transform control mode active
+    public: explicit TransformControlModeActive(const bool _tranformModeActive)
+        : QEvent(kType), tranformModeActive(_tranformModeActive)
+    {
+    }
+
+    /// \brief Unique type for this event.
+    static const QEvent::Type kType = QEvent::Type(QEvent::User + 6);
+
+    /// \brief Get the event's value.
+    public: bool TransformControlActive()
+    {
+      return this->tranformModeActive;
+    }
+
+    /// \brief True if a transform mode is active.
+    private: bool tranformModeActive;
+  };
 }  // namespace events
 }
 }  // namespace gui

src/gui/plugins/CMakeLists.txt

@@ -129,6 +129,7 @@ add_subdirectory(plot_3d)
 add_subdirectory(plotting)
 add_subdirectory(resource_spawner)
 add_subdirectory(scene3d)
+add_subdirectory(select_entities)
 add_subdirectory(scene_manager)
 add_subdirectory(shapes)
 add_subdirectory(transform_control)

src/gui/plugins/scene3d/Scene3D.cc

@@ -2037,6 +2037,7 @@ void IgnRenderer::Initialize()
 
   // Camera
   this->dataPtr->camera = scene->CreateCamera();
+  this->dataPtr->camera->SetUserData("user-camera", true);
   root->AddChild(this->dataPtr->camera);
   this->dataPtr->camera->SetLocalPose(this->cameraPose);
   this->dataPtr->camera->SetImageWidth(this->textureSize.width());

src/gui/plugins/select_entities/CMakeLists.txt

@@ -0,0 +1,11 @@
+gz_add_gui_plugin(SelectEntities
+  SOURCES
+    SelectEntities.cc
+  QT_HEADERS
+    SelectEntities.hh
+  TEST_SOURCES
+    # CameraControllerManager_TEST.cc
+  PUBLIC_LINK_LIBS
+   ignition-rendering${IGN_RENDERING_VER}::ignition-rendering${IGN_RENDERING_VER}
+   ${PROJECT_LIBRARY_TARGET_NAME}-rendering
+)