diff --git a/pagelayout_editor/dialogs/design_inspector.cpp b/pagelayout_editor/dialogs/design_inspector.cpp
index 8ccf644211..79e4e33ae2 100644
--- a/pagelayout_editor/dialogs/design_inspector.cpp
+++ b/pagelayout_editor/dialogs/design_inspector.cpp
@@ -2,7 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2019 jp.charras at wanadoo.fr
- * Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2019, 2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -39,6 +39,7 @@
 #include "tools/pl_actions.h"
 #include "tools/pl_selection_tool.h"
 
+
 /* XPM
  * This bitmap is used to show item types
  */
@@ -156,6 +157,7 @@ static const char*  img_xpm[] =
     "     xx     "
 };
 
+
 // A helper class to draw these bitmaps into a wxGrid cell:
 class BitmapGridCellRenderer : public wxGridCellStringRenderer
 {
@@ -171,6 +173,7 @@ public:
                int aRow, int aCol, bool aIsSelected) override;
 };
 
+
 // Column ids for m_gridListItems
 enum COL_INDEX
 {
@@ -221,10 +224,13 @@ void DIALOG_INSPECTOR::ReCreateDesignList()
     // The first item is the layout: Display info about the page: fmt, size...
     int row = 0;
     GetGridList()->SetCellValue( row, COL_TYPENAME, _( "Layout" ) );
-    GetGridList()->SetCellValue( row, COL_COMMENT, page_info.GetType() );   // Display page format name
+
+    // Display page format name.
+    GetGridList()->SetCellValue( row, COL_COMMENT, page_info.GetType() );
     GetGridList()->SetCellValue( row, COL_REPEAT_NUMBER, "-" );
     wxSize page_sizeIU = m_editorFrame->GetPageSizeIU();
-    GetGridList()->SetCellValue( row, COL_TEXTSTRING, wxString::Format( _( "Size: %.1fx%.1fmm" ),
+    GetGridList()->SetCellValue( row, COL_TEXTSTRING,
+                                 wxString::Format( _( "Size: %.1fx%.1fmm" ),
                                                    drawSheetIUScale.IUTomm( page_sizeIU.x ),
                                                    drawSheetIUScale.IUTomm( page_sizeIU.y ) ) );
     GetGridList()->SetCellRenderer (row, COL_BITMAP, new BitmapGridCellRenderer( root_xpm ) );
@@ -233,31 +239,32 @@ void DIALOG_INSPECTOR::ReCreateDesignList()
 
     // Now adding all current items
     row++;
+
     for( DS_DATA_ITEM* item : drawingSheet.GetItems() )
     {
         const char** img = nullptr;
 
         switch( item->GetType() )
         {
-            case DS_DATA_ITEM::DS_SEGMENT:
-                img = line_xpm;
-                break;
+        case DS_DATA_ITEM::DS_SEGMENT:
+            img = line_xpm;
+            break;
 
-            case DS_DATA_ITEM::DS_RECT:
-                img = rect_xpm;
-                break;
+        case DS_DATA_ITEM::DS_RECT:
+            img = rect_xpm;
+            break;
 
-            case DS_DATA_ITEM::DS_TEXT:
-                img = text_xpm;
-                break;
+        case DS_DATA_ITEM::DS_TEXT:
+            img = text_xpm;
+            break;
 
-            case DS_DATA_ITEM::DS_POLYPOLYGON:
-                img = poly_xpm;
-                break;
+        case DS_DATA_ITEM::DS_POLYPOLYGON:
+            img = poly_xpm;
+            break;
 
-            case DS_DATA_ITEM::DS_BITMAP:
-                img = img_xpm;
-                break;
+        case DS_DATA_ITEM::DS_BITMAP:
+            img = img_xpm;
+            break;
         }
 
         GetGridList()->AppendRows( 1 );
@@ -298,14 +305,15 @@ void DIALOG_INSPECTOR::ReCreateDesignList()
             GetGridList()->AutoSizeColumn( col, false );
         }
         else
+        {
             GetGridList()->AutoSizeColumn( col );
+        }
 
         GetGridList()->AutoSizeColLabelSize( col );
     }
 }
 
 
-// Select the row corresponding to the DS_DATA_ITEM aItem
 void DIALOG_INSPECTOR::SelectRow( DS_DATA_ITEM* aItem )
 {
     // m_itemsList[0] is not a true DS_DATA_ITEM
@@ -320,7 +328,7 @@ void DIALOG_INSPECTOR::SelectRow( DS_DATA_ITEM* aItem )
     }
 }
 
-//return the drawing sheet item managed by the cell
+
 DS_DATA_ITEM* DIALOG_INSPECTOR::GetDrawingSheetDataItem( int aRow ) const
 {
         return ( aRow >= 0 && aRow < (int)m_itemsList.size() ) ? m_itemsList[aRow]: nullptr;
@@ -349,11 +357,11 @@ void DIALOG_INSPECTOR::onCellClicked( wxGridEvent& event )
 
 void BitmapGridCellRenderer::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr,
                                    wxDC& aDc, const wxRect& aRect,
-                                   int aRow, int aCol, bool aIsSelected)
+                                   int aRow, int aCol, bool aIsSelected )
 {
-    wxGridCellStringRenderer::Draw( aGrid, aAttr, aDc, aRect, aRow, aCol, aIsSelected);
+    wxGridCellStringRenderer::Draw( aGrid, aAttr, aDc, aRect, aRow, aCol, aIsSelected );
     wxBitmap bm( m_BitmapXPM );
-    aDc.DrawBitmap( bm,aRect.GetX()+5, aRect.GetY()+2, true);
+    aDc.DrawBitmap( bm,aRect.GetX()+5, aRect.GetY()+2, true );
 }
 
 
diff --git a/pagelayout_editor/dialogs/design_inspector.h b/pagelayout_editor/dialogs/design_inspector.h
index b569d2d6e5..1d4127818a 100644
--- a/pagelayout_editor/dialogs/design_inspector.h
+++ b/pagelayout_editor/dialogs/design_inspector.h
@@ -2,7 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2019 jp.charras at wanadoo.fr
- * Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2019, 2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -34,19 +34,8 @@ class PL_EDITOR_FRAME;
 /**
  * DESIGN_INSPECTOR is the left window showing the list of items
  */
-
 class DIALOG_INSPECTOR : public DIALOG_INSPECTOR_BASE
 {
-    friend class PL_EDITOR_FRAME;
-
-private:
-    wxGrid* GetGridList() const { return m_gridListItems; }
-	void onCellClicked( wxGridEvent& event ) override;
-
-    // The list of DS_DATA_ITEM found in drawing sheet
-    std::vector<DS_DATA_ITEM*> m_itemsList;
-    PL_EDITOR_FRAME* m_editorFrame;
-
 public:
     DIALOG_INSPECTOR( PL_EDITOR_FRAME* aParent );
     ~DIALOG_INSPECTOR();
@@ -60,6 +49,17 @@ public:
 
     // Select the tree item corresponding to the DS_DATA_ITEM aItem
     void SelectRow( DS_DATA_ITEM* aItem );
+
+private:
+    friend class PL_EDITOR_FRAME;
+
+    wxGrid* GetGridList() const { return m_gridListItems; }
+	void onCellClicked( wxGridEvent& event ) override;
+
+    // The list of DS_DATA_ITEM found in drawing sheet
+    std::vector<DS_DATA_ITEM*> m_itemsList;
+    PL_EDITOR_FRAME* m_editorFrame;
+
 };
 
 #endif /* _DESIGN_INSPECTOR_H */
diff --git a/pagelayout_editor/dialogs/dialogs_for_printing.cpp b/pagelayout_editor/dialogs/dialogs_for_printing.cpp
index cf191bd672..5a4f9eddf1 100644
--- a/pagelayout_editor/dialogs/dialogs_for_printing.cpp
+++ b/pagelayout_editor/dialogs/dialogs_for_printing.cpp
@@ -1,12 +1,8 @@
-/**
- * @file dialogs_for_printing.cpp
- */
-
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2013 CERN
- * Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2020-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * @author Jean-Pierre Charras, jp.charras at wanadoo.fr
  *
@@ -28,6 +24,10 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+/**
+ * @file dialogs_for_printing.cpp
+ */
+
 #include <base_units.h>
 #include <gr_basic.h>
 #include <drawing_sheet/ds_data_item.h>
@@ -47,9 +47,6 @@
  */
 class PLEDITOR_PRINTOUT : public wxPrintout
 {
-private:
-    PL_EDITOR_FRAME* m_parent;
-
 public:
     PLEDITOR_PRINTOUT( PL_EDITOR_FRAME* aParent, const wxString& aTitle ) :
         wxPrintout( aTitle )
@@ -62,6 +59,9 @@ public:
     bool HasPage( int aPageNum ) override { return ( aPageNum <= 2 ); }
     void GetPageInfo( int* minPage, int* maxPage, int* selPageFrom, int* selPageTo ) override;
     void PrintPage( int aPageNum );
+
+private:
+    PL_EDITOR_FRAME* m_parent;
 };
 
 
@@ -70,8 +70,6 @@ public:
  */
 class PLEDITOR_PREVIEW_FRAME : public wxPreviewFrame
 {
-    PL_EDITOR_FRAME* m_parent;
-
 public:
     PLEDITOR_PREVIEW_FRAME( wxPrintPreview* aPreview, PL_EDITOR_FRAME* aParent,
                             const wxString& aTitle, const wxPoint& aPos = wxDefaultPosition,
@@ -118,6 +116,8 @@ public:
     }
 
 private:
+    PL_EDITOR_FRAME* m_parent;
+
     static wxPoint  s_pos;
     static wxSize   s_size;
 
@@ -168,7 +168,6 @@ void PLEDITOR_PRINTOUT::PrintPage( int aPageNum )
     old_org = screen->m_DrawOrg;
 
     // Change scale factor and offset to print the whole page.
-
     pageSizeIU = m_parent->GetPageSettings().GetSizeIU( drawSheetIUScale.IU_PER_MILS );
     FitThisSizeToPaper( pageSizeIU );
     fitRect = GetLogicalPaperRect();
diff --git a/pagelayout_editor/dialogs/properties_frame.cpp b/pagelayout_editor/dialogs/properties_frame.cpp
index 5170468998..7e62f5be8a 100644
--- a/pagelayout_editor/dialogs/properties_frame.cpp
+++ b/pagelayout_editor/dialogs/properties_frame.cpp
@@ -42,9 +42,13 @@
 #include <dialogs/html_message_box.h>
 
 
-#define DLG_MIN_TEXTSIZE 0.01       // min drawing sheet text default size in mm from PROPERTIES_FRAME
-                                    // Note also 0.0 is allowed for a given text to use the default size
-#define DLG_MAX_TEXTSIZE 100.0      // max drawing sheet text size in mm from PROPERTIES_FRAME
+/**
+ * Minimum drawing sheet text default size in millmeters from #PROPERTIES_FRAME.
+ *
+ * @note 0.0 is allowed for a given text to use the default size.
+ */
+#define DLG_MIN_TEXTSIZE 0.01
+#define DLG_MAX_TEXTSIZE 100.0   ///< Maximum drawing sheet text size in mm from PROPERTIES_FRAME.
 
 
 PROPERTIES_FRAME::PROPERTIES_FRAME( PL_EDITOR_FRAME* aParent ) :
@@ -60,10 +64,14 @@ PROPERTIES_FRAME::PROPERTIES_FRAME( PL_EDITOR_FRAME* aParent ) :
         m_textEndY( aParent, m_staticTextEndY, m_textCtrlEndY, m_TextEndYUnits ),
         m_textStepX( aParent, m_staticTextStepX, m_textCtrlStepX, m_TextStepXUnits ),
         m_textStepY( aParent, m_staticTextStepY, m_textCtrlStepY, m_TextStepYUnits ),
-        m_defaultTextSizeX( aParent, m_staticTextDefTsX, m_textCtrlDefaultTextSizeX, m_defaultTextSizeXUnits ),
-        m_defaultTextSizeY( aParent, m_staticTextDefTsY, m_textCtrlDefaultTextSizeY, m_defaultTextSizeYUnits ),
-        m_defaultLineWidth( aParent, m_defaultLineWidthLabel, m_defaultLineWidthCtrl, m_defaultLineWidthUnits ),
-        m_defaultTextThickness( aParent, m_defaultTextThicknessLabel, m_defaultTextThicknessCtrl, m_defaultTextThicknessUnits ),
+        m_defaultTextSizeX( aParent, m_staticTextDefTsX, m_textCtrlDefaultTextSizeX,
+                            m_defaultTextSizeXUnits ),
+        m_defaultTextSizeY( aParent, m_staticTextDefTsY, m_textCtrlDefaultTextSizeY,
+                            m_defaultTextSizeYUnits ),
+        m_defaultLineWidth( aParent, m_defaultLineWidthLabel, m_defaultLineWidthCtrl,
+                            m_defaultLineWidthUnits ),
+        m_defaultTextThickness( aParent, m_defaultTextThicknessLabel, m_defaultTextThicknessCtrl,
+                                m_defaultTextThicknessUnits ),
         m_textLeftMargin( aParent, m_leftMarginLabel, m_leftMarginCtrl, m_leftMarginUnits ),
         m_textRightMargin( aParent, m_rightMarginLabel, m_rightMarginCtrl, m_rightMarginUnits ),
         m_textTopMargin( aParent, m_topMarginLabel, m_topMarginCtrl, m_topMarginUnits ),
@@ -184,25 +192,26 @@ bool PROPERTIES_FRAME::CopyPrmsFromPanelToGeneral()
 
     if( is_valid )
         model.m_DefaultLineWidth = EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, units,
-                                                               m_defaultLineWidth.GetValue() );
+                                                                   m_defaultLineWidth.GetValue() );
 
     is_valid = m_defaultTextSizeX.Validate( DLG_MIN_TEXTSIZE, DLG_MAX_TEXTSIZE,
-                                                 EDA_UNITS::MILLIMETRES );
+                                            EDA_UNITS::MILLIMETRES );
     if( is_valid )
         model.m_DefaultTextSize.x = EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, units,
-                                                            m_defaultTextSizeX.GetValue() );
+                                                                    m_defaultTextSizeX.GetValue() );
 
-    is_valid = m_defaultTextSizeY.Validate( DLG_MIN_TEXTSIZE, DLG_MAX_TEXTSIZE, EDA_UNITS::MILLIMETRES );
+    is_valid = m_defaultTextSizeY.Validate( DLG_MIN_TEXTSIZE, DLG_MAX_TEXTSIZE,
+                                            EDA_UNITS::MILLIMETRES );
 
     if( is_valid )
         model.m_DefaultTextSize.y = EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, units,
-                                                                m_defaultTextSizeY.GetValue() );
+                                                                    m_defaultTextSizeY.GetValue() );
 
     is_valid = m_defaultTextThickness.Validate( 0.0, 5.0, EDA_UNITS::MILLIMETRES );
 
     if( is_valid )
         model.m_DefaultTextThickness = EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, units,
-                                                                m_defaultTextThickness.GetValue() );
+                                                                       m_defaultTextThickness.GetValue() );
 
     // Get page margins values
     model.SetRightMargin( EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, units,
@@ -242,8 +251,10 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
     }
 
     // Position/ start point
-    m_textPosX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_Pos.m_Pos.x ) );
-    m_textPosY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_Pos.m_Pos.y ) );
+    m_textPosX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                 aItem->m_Pos.m_Pos.x ) );
+    m_textPosY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                 aItem->m_Pos.m_Pos.y ) );
 
     switch(  aItem->m_Pos.m_Anchor )
     {
@@ -254,8 +265,10 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
     }
 
     // End point
-    m_textEndX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_End.m_Pos.x ) );
-    m_textEndY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_End.m_Pos.y ) );
+    m_textEndX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                 aItem->m_End.m_Pos.x ) );
+    m_textEndY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                 aItem->m_End.m_Pos.y ) );
 
     switch( aItem->m_End.m_Anchor )
     {
@@ -265,7 +278,8 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
     case LT_CORNER: m_comboBoxCornerEnd->SetSelection( 1 ); break;
     }
 
-    m_lineWidth.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_LineWidth ) );
+    m_lineWidth.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                  aItem->m_LineWidth ) );
 
     // Now, set prms more specific to DS_DATA_ITEM types
     // For a given type, disable widgets which are not relevant,
@@ -288,8 +302,10 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
         m_textCtrlRotation->SetValue( msg );
 
         // Constraints:
-        m_constraintX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, item->m_BoundingBoxSize.x ) );
-        m_constraintY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, item->m_BoundingBoxSize.y ) );
+        m_constraintX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                        item->m_BoundingBoxSize.x ) );
+        m_constraintY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                        item->m_BoundingBoxSize.y ) );
 
         // Font Options
         m_fontCtrl->SetFontSelection( item->m_Font );
@@ -320,8 +336,10 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
         }
 
         // Text size
-        m_textSizeX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, item->m_TextSize.x ) );
-        m_textSizeY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, item->m_TextSize.y ) );
+        m_textSizeX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                      item->m_TextSize.x ) );
+        m_textSizeY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                      item->m_TextSize.y ) );
     }
 
     if( aItem->GetType() == DS_DATA_ITEM::DS_POLYPOLYGON )
@@ -374,11 +392,14 @@ void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
     msg.Printf( wxT( "%d" ), aItem->m_RepeatCount );
     m_textCtrlRepeatCount->SetValue( msg );
 
-    m_textStepX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_IncrementVector.x ) );
-    m_textStepY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units, aItem->m_IncrementVector.y ) );
+    m_textStepX.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                  aItem->m_IncrementVector.x ) );
+    m_textStepY.SetDoubleValue( EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, units,
+                                                                  aItem->m_IncrementVector.y ) );
 
     // The number of widgets was modified, so recalculate sizers
     m_swItemProperties->Layout();
+
 #ifdef __WXGTK__
     // This call is mandatory on wxGTK to initialize the right virtual size and therefore
     // scrollbars, but for some reason, create issues on Windows (incorrect display
@@ -519,6 +540,7 @@ bool PROPERTIES_FRAME::CopyPrmsFromPanelToItem( DS_DATA_ITEM* aItem )
     long itmp;
     msg = m_textCtrlRepeatCount->GetValue();
     msg.ToLong( &itmp );
+
     // Ensure m_RepeatCount is > 0. Otherwise it create issues because a repeat
     // count < 1 make no sense
     if( itmp < 1l )
@@ -567,7 +589,8 @@ bool PROPERTIES_FRAME::CopyPrmsFromPanelToItem( DS_DATA_ITEM* aItem )
             item->m_Font = m_fontCtrl->GetFontSelection( item->m_Bold, item->m_Italic );
 
         msg = m_textCtrlRotation->GetValue();
-        item->m_Orient = EDA_UNIT_UTILS::UI::DoubleValueFromString( drawSheetIUScale, EDA_UNITS::UNSCALED, msg );
+        item->m_Orient = EDA_UNIT_UTILS::UI::DoubleValueFromString( drawSheetIUScale,
+                                                                    EDA_UNITS::UNSCALED, msg );
 
         // Import text size
         is_valid = m_textSizeX.Validate( 0.0, DLG_MAX_TEXTSIZE, EDA_UNITS::MILLIMETRES );
@@ -594,7 +617,8 @@ bool PROPERTIES_FRAME::CopyPrmsFromPanelToItem( DS_DATA_ITEM* aItem )
 
         msg = m_textCtrlRotation->GetValue();
         item->m_Orient = EDA_ANGLE(
-                EDA_UNIT_UTILS::UI::DoubleValueFromString( drawSheetIUScale,EDA_UNITS::UNSCALED, msg ), DEGREES_T );
+                EDA_UNIT_UTILS::UI::DoubleValueFromString( drawSheetIUScale,EDA_UNITS::UNSCALED,
+                                                           msg ), DEGREES_T );
     }
 
     if( aItem->GetType() == DS_DATA_ITEM::DS_BITMAP )