Gerbview: minor enhancements

gerbview/files.cpp

@@ -23,8 +23,9 @@ void WinEDA_GerberFrame::OnFileHistory( wxCommandEvent& event )
 
     fn = GetFileFromHistory( event.GetId(), _( "Printed circuit board" ) );
 
-    if( fn != wxEmptyString && Clear_Pcb( true ) )
+    if( fn != wxEmptyString )
     {
+        Erase_Current_Layer( false );
         LoadOneGerberFile( fn, false );
     }
 }
@@ -37,11 +38,9 @@ void WinEDA_GerberFrame::Files_io( wxCommandEvent& event )
 
     switch( id )
     {
-    case ID_LOAD_FILE:
-        if( Clear_Pcb( true ) )
-        {
+    case wxID_FILE:
+        Erase_Current_Layer( false );
         LoadOneGerberFile( wxEmptyString, 0 );
-        }
         break;
 
     case ID_MENU_INC_LAYER_AND_APPEND_FILE:
@@ -173,8 +172,9 @@ bool WinEDA_GerberFrame::LoadOneGerberFile( const wxString& FullFileName,
 
 
 /*
- * Read a PCB file.
- *
+ * Read a DCode file (not used with RX274X files , just with RS274D old files).
+ * Note: there is no standard for DCode file.
+ * Just read a file format created by early versions of Pcbnew.
  * Returns:
  *   0 if file not read (cancellation of order ...)
  *   1 if OK

gerbview/gerberframe.cpp

@@ -29,7 +29,7 @@ BEGIN_EVENT_TABLE( WinEDA_GerberFrame, WinEDA_BasePcbFrame )
 
     EVT_TOOL_RANGE( ID_ZOOM_IN, ID_ZOOM_PAGE, WinEDA_GerberFrame::OnZoom )
 
-    EVT_TOOL( ID_LOAD_FILE, WinEDA_GerberFrame::Files_io )
+    EVT_TOOL( wxID_FILE, WinEDA_GerberFrame::Files_io )
     EVT_TOOL( ID_APPEND_FILE, WinEDA_GerberFrame::Files_io )
     EVT_TOOL( ID_INC_LAYER_AND_APPEND_FILE, WinEDA_GerberFrame::Files_io )
     EVT_TOOL( ID_GERBVIEW_LOAD_DRILL_FILE, WinEDA_GerberFrame::Files_io )
@@ -38,7 +38,7 @@ BEGIN_EVENT_TABLE( WinEDA_GerberFrame, WinEDA_BasePcbFrame )
     EVT_TOOL( ID_SAVE_BOARD, WinEDA_GerberFrame::Files_io )
 
 // Menu Files:
-    EVT_MENU( ID_LOAD_FILE, WinEDA_GerberFrame::Files_io )
+    EVT_MENU( wxID_FILE, WinEDA_GerberFrame::Files_io )
     EVT_MENU( ID_APPEND_FILE, WinEDA_GerberFrame::Files_io )
     EVT_MENU( ID_MENU_INC_LAYER_AND_APPEND_FILE, WinEDA_GerberFrame::Files_io )
     EVT_MENU( ID_NEW_BOARD, WinEDA_GerberFrame::Files_io )

gerbview/initpcb.cpp

@@ -45,6 +45,7 @@ bool WinEDA_GerberFrame::Clear_Pcb( bool query )
 
     SetBaseScreen( ActiveScreen = ScreenPcb );
     GetScreen()->Init();
+    setActiveLayer(LAYER_N_BACK);
 
     return TRUE;
 }
@@ -52,7 +53,7 @@ bool WinEDA_GerberFrame::Clear_Pcb( bool query )
 
 void WinEDA_GerberFrame::Erase_Current_Layer( bool query )
 {
-    int      layer = GetScreen()->m_Active_Layer;
+    int      layer = getActiveLayer();
     wxString msg;
 
     msg.Printf( _( "Delete layer %d?" ), layer + 1 );

gerbview/tool_gerber.cpp

@@ -26,8 +26,8 @@ void WinEDA_GerberFrame::ReCreateMenuBar( void )
     menuBar = new wxMenuBar();
 
     wxMenu* filesMenu = new wxMenu;
-    filesMenu->Append( ID_LOAD_FILE, _( "Clear All and Load Gerber File" ),
-                       _( "Clear all layers and Load a new Gerber file on first layer" ),
+    filesMenu->Append( wxID_FILE, _( "Load Gerber File" ),
+                       _( "Load a new Gerber file on the current layer" ),
                        FALSE );
 
     filesMenu->Append( ID_APPEND_FILE, _( "Append Gerber File to Current Layer" ),
@@ -156,7 +156,7 @@ void WinEDA_GerberFrame::ReCreateHToolbar( void )
                           wxBitmap( new_xpm ),
                          _( "New world" ) );
 
-    m_HToolBar->AddTool( ID_LOAD_FILE, wxEmptyString,
+    m_HToolBar->AddTool( wxID_FILE, wxEmptyString,
                          wxBitmap( open_xpm ),
                          _( "Open existing Layer" ) );