PCB_TOOL: added convenience methods for accessing current SELECTION

pcbnew/tools/pcb_tool.cpp

@@ -214,3 +214,17 @@ PCB_DRAW_PANEL_GAL* PCB_TOOL::canvas() const
 {
     return static_cast<PCB_DRAW_PANEL_GAL*>( frame()->GetGalCanvas() );
 }
+
+const SELECTION& PCB_TOOL::selection() const
+{
+    auto selTool = m_toolMgr->GetTool<SELECTION_TOOL>();
+    const auto& selection = selTool->GetSelection();
+    return selection;
+}
+
+SELECTION& PCB_TOOL::selection()
+{
+    auto selTool = m_toolMgr->GetTool<SELECTION_TOOL>();
+    auto& selection = selTool->GetSelection();
+    return selection;
+}

pcbnew/tools/pcb_tool.h

@@ -47,6 +47,7 @@ class PCB_TOOL;
 class PCB_EDIT_FRAME;
 class PCB_DISPLAY_OPTIONS;
 class PCB_DRAW_PANEL_GAL;
+class SELECTION;
 
 struct INTERACTIVE_PLACER_BASE
 {
@@ -135,6 +136,8 @@ protected:
     MODULE* module() const { return board()->m_Modules; }
     PCB_DISPLAY_OPTIONS* displayOptions() const;
     PCB_DRAW_PANEL_GAL* canvas() const;
+    const SELECTION& selection() const;
+    SELECTION& selection();
 
     bool m_editModules;
 };