Disable right click menu when using measuring tool

src/gui/plugins/scene3d/Scene3D.cc

@@ -264,6 +264,10 @@ inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
     /// resource with the shapes plugin or not
     public: bool isPlacing = false;
 
+    /// \brief Atomic bool indicating whether the dropdown menu
+    /// is currently enabled or disabled.
+    public: std::atomic_bool dropdownMenuEnabled = true;
+
     /// \brief The SDF string of the resource to be used with plugins that spawn
     /// entities.
     public: std::string spawnSdfString;
@@ -900,6 +904,7 @@ void IgnRenderer::HandleMouseEvent()
   std::lock_guard<std::mutex> lock(this->dataPtr->mutex);
   this->BroadcastHoverPos();
   this->BroadcastLeftClick();
+  this->BroadcastRightClick();
   this->HandleMouseContextMenu();
   this->HandleModelPlacement();
   this->HandleMouseTransformControl();
@@ -936,6 +941,26 @@ void IgnRenderer::BroadcastLeftClick()
   }
 }
 
+/////////////////////////////////////////////////
+void IgnRenderer::BroadcastRightClick()
+{
+  if (this->dataPtr->mouseEvent.Button() == common::MouseEvent::RIGHT &&
+      this->dataPtr->mouseEvent.Type() == common::MouseEvent::RELEASE &&
+      !this->dataPtr->mouseEvent.Dragging() && this->dataPtr->mouseDirty)
+  {
+    // If the dropdown menu is disabled, quash the mouse event
+    if (!this->dataPtr->dropdownMenuEnabled)
+      this->dataPtr->mouseDirty = false;
+
+    math::Vector3d pos = this->ScreenToScene(this->dataPtr->mouseEvent.Pos());
+
+    ignition::gui::events::RightClickToScene rightClickToSceneEvent(pos);
+    ignition::gui::App()->sendEvent(
+        ignition::gui::App()->findChild<ignition::gui::MainWindow *>(),
+        &rightClickToSceneEvent);
+  }
+}
+
 /////////////////////////////////////////////////
 void IgnRenderer::HandleMouseContextMenu()
 {
@@ -1821,6 +1846,12 @@ void IgnRenderer::SetModelPath(const std::string &_filePath)
   this->dataPtr->spawnSdfPath = _filePath;
 }
 
+/////////////////////////////////////////////////
+void IgnRenderer::SetDropdownMenuEnabled(bool _enableDropdownMenu)
+{
+  this->dataPtr->dropdownMenuEnabled = _enableDropdownMenu;
+}
+
 /////////////////////////////////////////////////
 void IgnRenderer::SetRecordVideo(bool _record, const std::string &_format,
     const std::string &_savePath)
@@ -2901,6 +2932,18 @@ bool Scene3D::eventFilter(QObject *_obj, QEvent *_event)
       renderWindow->SetModelPath(spawnPreviewPathEvent->FilePath());
     }
   }
+  else if (_event->type() ==
+      ignition::gui::events::DropdownMenuEnabled::kType)
+  {
+    auto dropdownMenuEnabledEvent =
+      reinterpret_cast<ignition::gui::events::DropdownMenuEnabled *>(_event);
+    if (dropdownMenuEnabledEvent)
+    {
+      auto renderWindow = this->PluginItem()->findChild<RenderWindowItem *>();
+      renderWindow->SetDropdownMenuEnabled(
+          dropdownMenuEnabledEvent->MenuEnabled());
+    }
+  }
 
   // Standard event processing
   return QObject::eventFilter(_obj, _event);
@@ -2932,6 +2975,13 @@ void RenderWindowItem::SetModelPath(const std::string &_filePath)
   this->dataPtr->renderThread->ignRenderer.SetModelPath(_filePath);
 }
 
+/////////////////////////////////////////////////
+void RenderWindowItem::SetDropdownMenuEnabled(bool _enableDropdownMenu)
+{
+  this->dataPtr->renderThread->ignRenderer.SetDropdownMenuEnabled(
+      _enableDropdownMenu);
+}
+
 /////////////////////////////////////////////////
 void RenderWindowItem::SetRecordVideo(bool _record, const std::string &_format,
     const std::string &_savePath)

src/gui/plugins/scene3d/Scene3D.hh

@@ -199,6 +199,11 @@ inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
     /// \param[in] _filePath Sdf path of the model to load in for the user.
     public: void SetModelPath(const std::string &_filePath);
 
+    /// \brief Set if the dropdown menu is enabled or disabled.
+    /// \param[in] _enableDropdownMenu The boolean to enable or disable
+    /// the dropdown menu
+    public: void SetDropdownMenuEnabled(bool _enableDropdownMenu);
+
     /// \brief Set whether to record video
     /// \param[in] _record True to start video recording, false to stop.
     /// \param[in] _format Video encoding format: "mp4", "ogv"
@@ -369,6 +374,9 @@ inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
     /// \brief Broadcasts a left click within the scene
     private: void BroadcastLeftClick();
 
+    /// \brief Broadcasts a right click within the scene
+    private: void BroadcastRightClick();
+
     /// \brief Generate a unique entity id.
     /// \return The unique entity id
     private: Entity UniqueId();
@@ -526,6 +534,11 @@ inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
     /// \param[in] _filePath File path of the model to load in for the user.
     public: void SetModelPath(const std::string &_filePath);
 
+    /// \brief Set if the dropdown menu is enabled or disabled.
+    /// \param[in] _enableDropdownMenu The boolean to enable or disable
+    /// the menu
+    public: void SetDropdownMenuEnabled(bool _enableDropdownMenu);
+
     /// \brief Set whether to record video
     /// \param[in] _record True to start video recording, false to stop.
     /// \param[in] _format Video encoding format: "mp4", "ogv"

src/gui/plugins/tape_measure/TapeMeasure.cc

@@ -127,6 +127,13 @@ void TapeMeasure::Measure()
   this->Reset();
   this->dataPtr->measure = true;
   QGuiApplication::setOverrideCursor(Qt::CrossCursor);
+
+  // Notify Scene3D to disable the right click menu while we use it to
+  // cancel our current measuring action
+  ignition::gui::events::DropdownMenuEnabled dropdownMenuEnabledEvent(false);
+  ignition::gui::App()->sendEvent(
+      ignition::gui::App()->findChild<ignition::gui::MainWindow *>(),
+      &dropdownMenuEnabledEvent);
 }
 
 /////////////////////////////////////////////////
@@ -149,6 +156,13 @@ void TapeMeasure::Reset()
   this->dataPtr->measure = false;
   this->newDistance();
   QGuiApplication::restoreOverrideCursor();
+
+  // Notify Scene3D that we are done using the right click, so it can
+  // re-enable the settings menu
+  ignition::gui::events::DropdownMenuEnabled dropdownMenuEnabledEvent(true);
+  ignition::gui::App()->sendEvent(
+      ignition::gui::App()->findChild<ignition::gui::MainWindow *>(),
+      &dropdownMenuEnabledEvent);
 }
 
 /////////////////////////////////////////////////
@@ -271,6 +285,15 @@ bool TapeMeasure::eventFilter(QObject *_obj, QEvent *_event)
           this->dataPtr->startPoint.Distance(this->dataPtr->endPoint);
         this->newDistance();
         QGuiApplication::restoreOverrideCursor();
+
+        // Notify Scene3D that we are done using the right click, so it can
+        // re-enable the settings menu
+        ignition::gui::events::DropdownMenuEnabled
+          dropdownMenuEnabledEvent(true);
+
+        ignition::gui::App()->sendEvent(
+            ignition::gui::App()->findChild<ignition::gui::MainWindow *>(),
+            &dropdownMenuEnabledEvent);
       }
       this->dataPtr->currentId = this->dataPtr->kEndPointId;
     }
@@ -293,6 +316,15 @@ bool TapeMeasure::eventFilter(QObject *_obj, QEvent *_event)
       this->Reset();
     }
   }
+  // Cancel the current action if a right click is detected
+  else if (_event->type() == ignition::gui::events::RightClickToScene::kType)
+  {
+    if (this->dataPtr->measure)
+    {
+      this->Reset();
+    }
+  }
+
   return QObject::eventFilter(_obj, _event);
 }