Report silk/edge collisions.

Fixes https://gitlab.com/kicad/code/kicad/issues/5854

Fixes https://gitlab.com/kicad/code/kicad/issues/4892

common/page_layout/ws_painter.cpp

@@ -118,8 +118,11 @@ wxString WS_DRAW_ITEM_LIST::BuildFullText( const wxString& aTextbase )
             {
                 bool tokenUpdated = false;
 
-                if( token->IsSameAs( wxT( "KICAD_VERSION" ) ) )
+                if( token->IsSameAs( wxT( "KICAD_VERSION" ) ) && PgmOrNull() )
                 {
+                    // TODO: it'd be nice to get the Python script name/version here for when
+                    // PgmOrNull() is null...
+
                     *token = wxString::Format( wxT( "%s%s %s" ),
                                                productName,
                                                Pgm().App().GetAppName(),

gerbview/gerbview.cpp

@@ -121,6 +121,12 @@ PGM_BASE& Pgm()
 }
 
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from a python script.
+PGM_BASE* PgmOrNull()
+{
+    return process;
+}
+
 bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
 {
     InitSettings( new GERBVIEW_SETTINGS );

kicad/kicad.cpp

@@ -69,6 +69,12 @@ PGM_BASE& Pgm()
 }
 
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from a python script.
+PGM_BASE* PgmOrNull()
+{
+    return &program;
+}
+
 PGM_KICAD& PgmTop()
 {
     return program;

pagelayout_editor/pl_editor.cpp

@@ -124,6 +124,12 @@ PGM_BASE& Pgm()
 }
 
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from a python script.
+PGM_BASE* PgmOrNull()
+{
+    return process;
+}
+
 bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
 {
     InitSettings( new PL_EDITOR_SETTINGS );

pcb_calculator/pcb_calculator.cpp

@@ -95,6 +95,12 @@ PGM_BASE& Pgm()
 }
 
 
+// Similar to PGM_BASE& Pgm(), but return nullptr when a *.ki_face is run from a python script.
+PGM_BASE* PgmOrNull()
+{
+    return process;
+}
+
 bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
 {
     InitSettings( new PCB_CALCULATOR_SETTINGS );