Access tools' TOOL_MENUs rather than CONDITIONAL_MENUs

This means that non-top-level tools, for example EDIT_TOOL and
PCB_EDITOR_CONTROL can submit their own menus to the top-level tool's
TOOL_MENU, which will then retain a reference to it and make it
available for the CONTEXT_MENU that is shown.

pcbnew/tools/drawing_tool.h

@@ -58,9 +58,9 @@ public:
     void Reset( RESET_REASON aReason ) override;
 
     ///> Get the DRAWING_TOOL top-level context menu
-    inline CONDITIONAL_MENU& GetMenu()
+    inline TOOL_MENU& GetToolMenu()
     {
-        return m_menu.GetMenu();
+        return m_menu;
     }
 
     ///> The possible drawing modes of DRAWING_TOOL

pcbnew/tools/edit_tool.cpp

@@ -87,7 +87,7 @@ bool EDIT_TOOL::Init()
     }
 
     // Add context menu entries that are displayed when selection tool is active
-    CONDITIONAL_MENU& menu = m_selectionTool->GetMenu();
+    CONDITIONAL_MENU& menu = m_selectionTool->GetToolMenu().GetMenu();
     menu.AddItem( COMMON_ACTIONS::editActivate, SELECTION_CONDITIONS::NotEmpty );
     menu.AddItem( COMMON_ACTIONS::rotate, SELECTION_CONDITIONS::NotEmpty );
     menu.AddItem( COMMON_ACTIONS::flip, SELECTION_CONDITIONS::NotEmpty );

pcbnew/tools/module_tools.cpp

@@ -96,7 +96,7 @@ bool MODULE_TOOLS::Init()
         return false;
     }
 
-    selectionTool->GetMenu().AddItem( COMMON_ACTIONS::enumeratePads );
+    selectionTool->GetToolMenu().GetMenu().AddItem( COMMON_ACTIONS::enumeratePads );
 
     return true;
 }

pcbnew/tools/pcb_editor_control.cpp

@@ -105,7 +105,7 @@ public:
 
 PCB_EDITOR_CONTROL::PCB_EDITOR_CONTROL() :
     TOOL_INTERACTIVE( "pcbnew.EditorControl" ),
-    m_frame( NULL ), m_zoneMenu( NULL ), m_lockMenu( NULL )
+    m_frame( nullptr )
 {
     m_placeOrigin = new KIGFX::ORIGIN_VIEWITEM( KIGFX::COLOR4D( 0.8, 0.0, 0.0, 1.0 ),
                                                 KIGFX::ORIGIN_VIEWITEM::CIRCLE_CROSS );
@@ -118,8 +118,6 @@ PCB_EDITOR_CONTROL::~PCB_EDITOR_CONTROL()
     getView()->Remove( m_placeOrigin );
 
     delete m_placeOrigin;
-    delete m_zoneMenu;
-    delete m_lockMenu;
 }
 
 
@@ -138,11 +136,11 @@ void PCB_EDITOR_CONTROL::Reset( RESET_REASON aReason )
 
 bool PCB_EDITOR_CONTROL::Init()
 {
-    m_zoneMenu = new ZONE_CONTEXT_MENU;
-    m_zoneMenu->SetTool( this );
+    auto zoneMenu = std::make_shared<ZONE_CONTEXT_MENU>();
+    zoneMenu->SetTool( this );
 
-    m_lockMenu = new LOCK_CONTEXT_MENU;
-    m_lockMenu->SetTool( this );
+    auto lockMenu = std::make_shared<LOCK_CONTEXT_MENU>();
+    lockMenu->SetTool( this );
 
     // Add the PCB control menus to relevant other tools
 
@@ -150,17 +148,28 @@ bool PCB_EDITOR_CONTROL::Init()
 
     if( selTool )
     {
-        selTool->GetMenu().AddMenu( m_zoneMenu, _( "Zones" ), false,
-                                    SELECTION_CONDITIONS::OnlyType( PCB_ZONE_AREA_T ) );
+        auto& toolMenu = selTool->GetToolMenu();
+        auto& menu = toolMenu.GetMenu();
 
-        selTool->GetMenu().AddMenu( m_lockMenu, _( "Locking" ), false,
-                                    SELECTION_CONDITIONS::OnlyTypes( GENERAL_COLLECTOR::Tracks ) );
+        toolMenu.AddSubMenu( zoneMenu );
+        toolMenu.AddSubMenu( lockMenu );
+
+        menu.AddMenu( zoneMenu.get(), _( "Zones" ), false,
+                      SELECTION_CONDITIONS::OnlyType( PCB_ZONE_AREA_T ) );
+
+        menu.AddMenu( lockMenu.get(), _( "Locking" ), false,
+                      SELECTION_CONDITIONS::OnlyTypes( GENERAL_COLLECTOR::Tracks ) );
     }
 
     DRAWING_TOOL* drawingTool = m_toolMgr->GetTool<DRAWING_TOOL>();
 
     if( drawingTool )
     {
+        auto& toolMenu = drawingTool->GetToolMenu();
+        auto& menu = toolMenu.GetMenu();
+
+        toolMenu.AddSubMenu( zoneMenu );
+
         // Functor to say if the PCB_EDIT_FRAME is in a given mode
         // Capture the tool pointer and tool mode by value
         auto toolActiveFunctor = [=]( DRAWING_TOOL::MODE aMode )
@@ -171,8 +180,8 @@ bool PCB_EDITOR_CONTROL::Init()
             };
         };
 
-        drawingTool->GetMenu().AddMenu( m_zoneMenu, _( "Zones" ), false,
-                                        toolActiveFunctor( DRAWING_TOOL::MODE::ZONE ) );
+        menu.AddMenu( zoneMenu.get(), _( "Zones" ), false,
+                      toolActiveFunctor( DRAWING_TOOL::MODE::ZONE ) );
     }
 
     return true;

pcbnew/tools/pcb_editor_control.h

@@ -32,8 +32,6 @@ namespace KIGFX {
 }
 
 class PCB_EDIT_FRAME;
-class ZONE_CONTEXT_MENU;
-class LOCK_CONTEXT_MENU;
 
 /**
  * Class PCB_EDITOR_CONTROL
@@ -121,9 +119,6 @@ private:
 
     // How does line width change after one -/+ key press.
     static const int WIDTH_STEP;
-
-    ZONE_CONTEXT_MENU* m_zoneMenu;
-    LOCK_CONTEXT_MENU* m_lockMenu;
 };
 
 #endif

pcbnew/tools/placement_tool.cpp

@@ -77,8 +77,9 @@ bool PLACEMENT_TOOL::Init()
     item = m_placementMenu->Add( COMMON_ACTIONS::distributeVertically );
     SET_BITMAP( KiBitmap( distribute_vertical_xpm ) );
 
-    m_selectionTool->GetMenu().AddMenu( m_placementMenu, _( "Align/distribute" ), false,
-                                        SELECTION_CONDITIONS::MoreThan( 1 ) );
+    m_selectionTool->GetToolMenu().GetMenu().AddMenu(
+            m_placementMenu, _( "Align/distribute" ), false,
+            SELECTION_CONDITIONS::MoreThan( 1 ) );
 
     return true;
 }

pcbnew/tools/point_editor.cpp

@@ -211,10 +211,11 @@ bool POINT_EDITOR::Init()
         return false;
     }
 
-    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::pointEditorAddCorner,
-                                        POINT_EDITOR::addCornerCondition );
-    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::pointEditorRemoveCorner,
-                                        std::bind( &POINT_EDITOR::removeCornerCondition, this, _1 ) );
+    auto& menu = m_selectionTool->GetToolMenu().GetMenu();
+    menu.AddItem( COMMON_ACTIONS::pointEditorAddCorner,
+                  POINT_EDITOR::addCornerCondition );
+    menu.AddItem( COMMON_ACTIONS::pointEditorRemoveCorner,
+                  std::bind( &POINT_EDITOR::removeCornerCondition, this, _1 ) );
 
     return true;
 }

pcbnew/tools/selection_tool.h

@@ -193,9 +193,9 @@ public:
      */
     SELECTION& GetSelection();
 
-    inline CONDITIONAL_MENU& GetMenu()
+    inline TOOL_MENU& GetToolMenu()
     {
-        return m_menu.GetMenu();
+        return m_menu;
     }
 
     ///> Checks if the user has agreed to modify locked items for the given selection.