added selection option

tools/moldyn/moldyn.cpp

@@ -196,6 +196,8 @@ MolDynDlg::MolDynDlg(QWidget* pParent) : QMainWindow{pParent},
 		m_atomContextMenu->addAction("Delete Atom", this, &MolDynDlg::DeleteAtomUnderCursor);
 		m_atomContextMenu->addAction("Delete All Atoms Of Selected Type", this, &MolDynDlg::DeleteAllAtomsOfSameType);
 		m_atomContextMenu->addAction("Only Keep Atoms Of Selected Type", this, &MolDynDlg::KeepAtomsOfSameType);
+		m_atomContextMenu->addSeparator();
+		m_atomContextMenu->addAction("Select All Atoms of Same Type", this, &MolDynDlg::SelectAtomsOfSameType);
 	}
 
 
@@ -944,6 +946,26 @@ MolDynDlg::GetAtomIndexFromHandle(std::size_t handle) const
 }
 
 
+/**
+ * select all atoms of the same type as the one under the cursor
+ */
+void MolDynDlg::SelectAtomsOfSameType()
+{
+	// nothing under cursor
+	if(m_curPickedObj <= 0)
+		return;
+
+	// atom type to be selected
+	const std::string& atomLabel = m_plot->GetImpl()->GetObjectDataString(m_curPickedObj);
+
+	for(auto handle : m_sphereHandles)
+		if(m_plot->GetImpl()->GetObjectDataString(handle) == atomLabel)
+			m_plot->GetImpl()->SetObjectHighlight(handle, 1);
+
+	m_plot->update();
+}
+
+
 /**
  * delete one atom
  */

tools/moldyn/moldyn.h

@@ -52,17 +52,18 @@ protected:
 	void PickerIntersection(const t_vec3_gl* pos, std::size_t objIdx, const t_vec3_gl* posSphere);
 	void AfterGLInitialisation();
 
-	void SliderValueChanged(int val);
-
-	void SelectAll();
-	void SelectNone();
-
 	std::tuple<bool, std::size_t, std::size_t, std::size_t> GetAtomIndexFromHandle(std::size_t handle) const;
 
 	void CalculateDistanceBetweenAtoms();
 	void CalculatePositionsOfAtoms();
 	void CalculateDeltaDistancesOfAtoms();
 
+	void SliderValueChanged(int val);
+
+	void SelectAll();
+	void SelectNone();
+
+	void SelectAtomsOfSameType();
 	void DeleteAtomUnderCursor();
 	void DeleteAllAtomsOfSameType();
 	void KeepAtomsOfSameType();