If the user has a selection then show the footprint.

Don't be pedantic about it having to come from the footprint
list, the component list also has footprints assigned.

(cherry picked from commit 759fba1)

cvpcb/cvpcb_mainframe.cpp

@@ -530,6 +530,8 @@ void CVPCB_MAINFRAME::OnSelectComponent( wxListEvent& event )
     m_footprintListBox->SetFootprints( *m_FootprintsList, libraryName, component,
                                        m_currentSearchPattern, m_filteringOptions);
 
+    m_footprintListBox->SetSelection( m_footprintListBox->GetSelection(), false );
+
     refreshAfterComponentSearch (component);
 }
 
@@ -556,7 +558,7 @@ void CVPCB_MAINFRAME::refreshAfterComponentSearch( COMPONENT* component )
     {
         wxString module = FROM_UTF8( component->GetFPID().Format().c_str() );
 
-        bool found = false;
+        m_footprintListBox->SetSelection( m_footprintListBox->GetSelection(), false );
 
         for( int ii = 0; ii < m_footprintListBox->GetCount(); ii++ )
         {
@@ -569,23 +571,12 @@ void CVPCB_MAINFRAME::refreshAfterComponentSearch( COMPONENT* component )
             if( module.Cmp( footprintName ) == 0 )
             {
                 m_footprintListBox->SetSelection( ii, true );
-                found = true;
                 break;
             }
         }
 
-        if( !found )
-        {
-            int ii = m_footprintListBox->GetSelection();
-
-            if ( ii >= 0 )
-                m_footprintListBox->SetSelection( ii, false );
-
-            if( GetFootprintViewerFrame() )
-            {
-                CreateScreenCmp();
-            }
-        }
+        if( GetFootprintViewerFrame() )
+            CreateScreenCmp();
     }
 
     SendMessageToEESCHEMA();

cvpcb/display_footprints_frame.cpp

@@ -466,59 +466,43 @@ MODULE* DISPLAY_FOOTPRINTS_FRAME::Get_Module( const wxString& aFootprintName )
 
 void DISPLAY_FOOTPRINTS_FRAME::InitDisplay()
 {
-    wxString msg;
+    CVPCB_MAINFRAME*      parentframe = (CVPCB_MAINFRAME *) GetParent();
+    MODULE*               module = nullptr;
+    const FOOTPRINT_INFO* module_info = nullptr;
 
-    CVPCB_MAINFRAME* parentframe = (CVPCB_MAINFRAME *) GetParent();
+    if( GetBoard()->m_Modules.GetCount() )
+        GetBoard()->m_Modules.DeleteAll();
 
     wxString footprintName = parentframe->GetSelectedFootprint();
 
-    if( !footprintName.IsEmpty() )
+    if( footprintName.IsEmpty() )
     {
-        msg.Printf( _( "Footprint: %s" ), GetChars( footprintName ) );
-
-        SetTitle( msg );
-        const FOOTPRINT_INFO* module_info =
-                parentframe->m_FootprintsList->GetModuleInfo( footprintName );
-
-        const wxChar* libname;
+        COMPONENT* comp = parentframe->GetSelectedComponent();
 
-        if( module_info )
-            libname = GetChars( module_info->GetNickname() );
-        else
-            libname = GetChars( wxT( "???" ) );
-
-        msg.Printf( _( "Lib: %s" ), libname );
+        if( comp )
+            footprintName = comp->GetFPID().GetUniStringLibId();
+    }
 
-        SetStatusText( msg, 0 );
+    if( !footprintName.IsEmpty() )
+    {
+        SetTitle( wxString::Format( _( "Footprint: %s" ), footprintName ) );
 
-        if( GetBoard()->m_Modules.GetCount() )
-        {
-            // there is only one module in the list
-            GetBoard()->m_Modules.DeleteAll();
-        }
+        module = Get_Module( footprintName );
 
-        MODULE* module = Get_Module( footprintName );
+        module_info = parentframe->m_FootprintsList->GetModuleInfo( footprintName );
+    }
 
-        if( module )
-            GetBoard()->m_Modules.PushBack( module );
+    if( module )
+        GetBoard()->m_Modules.PushBack( module );
 
-        Zoom_Automatique( false );
-    }
-    else   // No footprint to display. Erase old footprint, if any
-    {
-        if( GetBoard()->m_Modules.GetCount() )
-        {
-            GetBoard()->m_Modules.DeleteAll();
-            Zoom_Automatique( false );
-            SetStatusText( wxEmptyString, 0 );
-        }
-    }
+    if( module_info )
+        SetStatusText( wxString::Format( _( "Lib: %s" ), module_info->GetNickname() ), 0 );
+    else
+        SetStatusText( wxEmptyString, 0 );
 
-    // Display new cursor coordinates and zoom value:
     UpdateStatusBar();
-
+    Zoom_Automatique( false );
     GetCanvas()->Refresh();
-
     Update3DView();
 }