Coding - Apply .clang-format formatting #286

Update empty method guards to new style with regex (see PR).
Used clang-format 18.1.8.
New actions to validate code formatting is added.
Update .clang-format with disabling of include sorting.
  It is temporary changes, then include will be sorted.
Apply formatting for /src and /tools folder.
The files with .hxx,.cxx,.lxx,.h,.pxx,.hpp,*.cpp extensions.

tools/DFBrowser/DFBrowser_TreeLevelLine.hxx

@@ -11,7 +11,7 @@
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement. 
+// commercial license or contractual agreement.
 
 #ifndef DFBrowser_TreeLevelLine_H
 #define DFBrowser_TreeLevelLine_H
@@ -41,17 +41,17 @@ class QWidget;
 //! <back button> <forward button> <selected item line> <update button> <search line>
 //! - <back button> allows moving to previously selected item (if it exists)
 //! - <forward button> allows moving to next selected item (if it exists)
-//! - <selected item line> path to currently selected item in OCAF tree view. Click on any level will
-//! select the clicked item in tree view.
+//! - <selected item line> path to currently selected item in OCAF tree view. Click on any level
+//! will select the clicked item in tree view.
 //! - <update button> will update content of OCAF tree model
-//! - <search line> allows type label entry or attribute name and see in search view the available elements
+//! - <search line> allows type label entry or attribute name and see in search view the available
+//! elements
 class DFBrowser_TreeLevelLine : public QObject
 {
   Q_OBJECT
 public:
-
   //! Constructor
-  Standard_EXPORT DFBrowser_TreeLevelLine (QWidget* theParent);
+  Standard_EXPORT DFBrowser_TreeLevelLine(QWidget* theParent);
 
   //! Destructor
   virtual ~DFBrowser_TreeLevelLine() {}
@@ -69,7 +69,7 @@ signals:
 
   //! Signal about selection of an item in tree level line
   //! \param theIndex a tree view model index of selected item
-  void indexSelected (const QModelIndex& theIndex);
+  void indexSelected(const QModelIndex& theIndex);
 
   //! Signal about necessity to update OCAF tree model
   void updateClicked();
@@ -79,15 +79,16 @@ public slots:
   //! Listens tree view selection model. Update tree level line by selected item. Stores
   //! \param theSelected a list of selected items
   //! \param theDeselected a list of deselected items
-  Standard_EXPORT void OnTreeViewSelectionChanged (const QItemSelection& theSelected,
-                                                   const QItemSelection& theDeselected);
+  Standard_EXPORT void OnTreeViewSelectionChanged(const QItemSelection& theSelected,
+                                                  const QItemSelection& theDeselected);
 
 private slots:
 
-  //! Listens table view selection model. Gets selected tree view model index and emit indexSelected signal.
-  //! \param theSelected a list of selected items
-  //! \param theDeselected a list of deselected items
-  void onTableSelectionChanged (const QItemSelection& theSelected, const QItemSelection& theDeselected);
+  //! Listens table view selection model. Gets selected tree view model index and emit indexSelected
+  //! signal. \param theSelected a list of selected items \param theDeselected a list of deselected
+  //! items
+  void onTableSelectionChanged(const QItemSelection& theSelected,
+                               const QItemSelection& theDeselected);
 
   //! Listens actions and do the following:
   //! - <backward>: moves history to the previous selection item, emits indexSelected signal
@@ -96,35 +97,36 @@ private slots:
   void onActionClicked();
 
 private:
-
   //! Returns the previous index of history selection
   QModelIndex getBackwardIndex();
 
   //! Returns the next index of history selection
   QModelIndex getForwardIndex();
 
-  //! Appends new history index, set it active, remove the first history index if the cache is out of range
-  //! \param theIndex a selected OCAF tree model index
-  void setForwardIndex (const QModelIndex& theIndex);
+  //! Appends new history index, set it active, remove the first history index if the cache is out
+  //! of range \param theIndex a selected OCAF tree model index
+  void setForwardIndex(const QModelIndex& theIndex);
 
   //! Updates enable state of backward/forward actions depending on the current item index
   void updateActionsState();
 
   //! Sets the current index and update actions state
   //! \param theIndexId an item index, should be in range of history of indices
-  void setCurrentHistoryIndex (const int theIndexId);
+  void setCurrentHistoryIndex(const int theIndexId);
 
 private:
-
-  bool mySelectionProcessingBlocked; //!< if true, table view selection is started but has not been finished yet
+  bool mySelectionProcessingBlocked; //!< if true, table view selection is started but has not been
+                                     //!< finished yet
   QList<QModelIndex> myHistoryIndices; //!< cached selected OCAF tree model indices
-  int myCurrentHistoryIndex; //!< an index of the current history selected index from myHistoryIndices
+  int
+    myCurrentHistoryIndex; //!< an index of the current history selected index from myHistoryIndices
 
-  QWidget* myMainWindow; //!< parent widget for controls
+  QWidget*     myMainWindow;     //!< parent widget for controls
   QToolButton* myBackwardButton; //!< backward button, to select previous selected item
-  QToolButton* myForwardButton; //!< forward button, to select next selected item
-  QToolButton* myUpdateButton; //!< update button, like F5, to update OCAF tree model content
-  QTableView* myTableView; //!< container of path values to selected item, a path value is a label entry
+  QToolButton* myForwardButton;  //!< forward button, to select next selected item
+  QToolButton* myUpdateButton;   //!< update button, like F5, to update OCAF tree model content
+  QTableView*
+    myTableView; //!< container of path values to selected item, a path value is a label entry
 
   DFBrowser_SearchLine* mySearchLine; //!< line of search
 };