Next/previous footprint toolbar buttons are handled in the Module Viewer using GAL canvas.

pcbnew/modview_frame.cpp

@@ -356,6 +356,15 @@ void FOOTPRINT_VIEWER_FRAME::ReCreateLibraryList()
 }
 
 
+void FOOTPRINT_VIEWER_FRAME::UseGalCanvas( bool aEnable )
+{
+    EDA_DRAW_FRAME::UseGalCanvas( aEnable );
+
+    if( aEnable )
+        GetGalCanvas()->StartDrawing();
+}
+
+
 void FOOTPRINT_VIEWER_FRAME::ReCreateFootprintList()
 {
     m_footprintList->Clear();
@@ -455,15 +464,7 @@ void FOOTPRINT_VIEWER_FRAME::ClickOnFootprintList( wxCommandEvent& event )
         UpdateTitle();
 
         if( IsGalCanvasActive() )
-        {
-            static_cast<PCB_DRAW_PANEL_GAL*>( GetGalCanvas() )->DisplayBoard( m_Pcb );
-
-            // Autozoom
-            m_Pcb->ComputeBoundingBox( false );
-            EDA_RECT boardBbox = m_Pcb->GetBoundingBox();
-            GetGalCanvas()->GetView()->SetViewport( BOX2D( boardBbox.GetOrigin(),
-                                                           boardBbox.GetSize() ) );
-        }
+            redrawGal();
 
         Zoom_Automatique( false );
         m_canvas->Refresh();
@@ -846,8 +847,12 @@ void FOOTPRINT_VIEWER_FRAME::SelectAndViewFootprint( int aMode )
             GetBoard()->Add( footprint, ADD_APPEND );
 
         Update3D_Frame();
+
+        if( IsGalCanvasActive() )
+            redrawGal();
     }
 
+
     UpdateTitle();
     Zoom_Automatique( false );
     m_canvas->Refresh();
@@ -873,10 +878,12 @@ void FOOTPRINT_VIEWER_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
 }
 
 
-void FOOTPRINT_VIEWER_FRAME::UseGalCanvas( bool aEnable )
+void FOOTPRINT_VIEWER_FRAME::redrawGal()
 {
-    EDA_DRAW_FRAME::UseGalCanvas( aEnable );
+    static_cast<PCB_DRAW_PANEL_GAL*>( GetGalCanvas() )->DisplayBoard( m_Pcb );
 
-    if( aEnable )
-        GetGalCanvas()->StartDrawing();
+    // Autozoom
+    m_Pcb->ComputeBoundingBox( false );
+    EDA_RECT boardBbox = m_Pcb->GetBoundingBox();
+    GetGalCanvas()->GetView()->SetViewport( BOX2D( boardBbox.GetOrigin(), boardBbox.GetSize() ) );
 }

pcbnew/modview_frame.h

@@ -69,6 +69,8 @@ public:
      */
     void ReCreateLibraryList();
 
+    ///> @copydoc EDA_DRAW_FRAME::UseGalCanvas()
+    virtual void UseGalCanvas( bool aEnable );
 
 private:
 
@@ -170,8 +172,7 @@ private:
     void SaveCopyInUndoList( BOARD_ITEM*, UNDO_REDO_T, const wxPoint& ) {}
     void SaveCopyInUndoList( const PICKED_ITEMS_LIST&, UNDO_REDO_T, const wxPoint &) {}
 
-    ///> @copydoc EDA_DRAW_FRAME::UseGalCanvas()
-    virtual void UseGalCanvas( bool aEnable );
+    void redrawGal();
 
     DECLARE_EVENT_TABLE()
 };