Switch over to *.kicad_pcb format as the default BOARD format.

Add KiCadPcbFileExt global.

common/wildcards_and_files_ext.cpp

@@ -44,7 +44,10 @@ const wxString NetlistFileExtension( wxT( "net" ) );
 const wxString LegacyFootprintLibPathExtension( wxT( "mod" ) );
 const wxString ComponentFileExtension( wxT( "cmp" ) );
 const wxString GerberFileExtension( wxT( "pho" ) );
-const wxString PcbFileExtension( wxT( "brd" ) );
+
+const wxString LegacyPcbFileExtension( wxT( "brd" ) );
+const wxString KiCadPcbFileExtension( wxT( "kicad_pcb" ) );
+
 const wxString PdfFileExtension( wxT( "pdf" ) );
 const wxString MacrosFileExtension( wxT( "mcr" ) );
 const wxString DrillFileExtension( wxT( "drl" ) );

common/worksheet.cpp

@@ -1666,19 +1666,21 @@ void TITLE_BLOCK::Format( OUTPUTFORMATTER* aFormatter, int aNestLevel, int aCont
     throw( IO_ERROR )
 {
     // Don't write the title block information if there is nothing to write.
-    if(  !m_title.IsEmpty() || !m_date.IsEmpty() || !m_revision.IsEmpty()
+    if(  !m_title.IsEmpty() || /* !m_date.IsEmpty() || */ !m_revision.IsEmpty()
       || !m_company.IsEmpty() || !m_comment1.IsEmpty() || !m_comment2.IsEmpty()
       || !m_comment3.IsEmpty() || !m_comment4.IsEmpty()  )
     {
-        aFormatter->Print( aNestLevel, "(title_block\n" );
+        aFormatter->Print( aNestLevel, "(title_block " );
 
         if( !m_title.IsEmpty() )
             aFormatter->Print( aNestLevel+1, "(title %s)\n",
                                aFormatter->Quotew( m_title ).c_str() );
 
+        /* version control users were complaining, see mailing list.
         if( !m_date.IsEmpty() )
             aFormatter->Print( aNestLevel+1, "(date %s)\n",
                                aFormatter->Quotew( m_date ).c_str() );
+        */
 
         if( !m_revision.IsEmpty() )
             aFormatter->Print( aNestLevel+1, "(rev %s)\n",

include/wildcards_and_files_ext.h

@@ -51,7 +51,11 @@ extern const wxString ProjectFileExtension;
 extern const wxString SchematicFileExtension;
 extern const wxString NetlistFileExtension;
 extern const wxString GerberFileExtension;
-extern const wxString PcbFileExtension;
+
+extern const wxString LegacyPcbFileExtension;
+extern const wxString KiCadPcbFileExtension;
+#define PcbFileExtension    KiCadPcbFileExtension       // symlink choice
+
 extern const wxString LegacyFootprintLibPathExtension;
 extern const wxString PdfFileExtension;
 extern const wxString MacrosFileExtension;

kicad/mainframe.cpp

@@ -199,10 +199,16 @@ void KICAD_MANAGER_FRAME::OnRunPcbCalculator( wxCommandEvent& event )
 
 void KICAD_MANAGER_FRAME::OnRunPcbNew( wxCommandEvent& event )
 {
-    wxFileName fn( m_ProjectFileName );
+    wxFileName  legacy_board( m_ProjectFileName );
+    wxFileName  kicad_board( m_ProjectFileName );
+
+    legacy_board.SetExt( LegacyPcbFileExtension );
+    kicad_board.SetExt( KiCadPcbFileExtension );
 
-    fn.SetExt( PcbFileExtension );
-    ExecuteFile( this, PCBNEW_EXE, QuoteFullPath( fn ) );
+    if( !legacy_board.FileExists() || kicad_board.FileExists() )
+        ExecuteFile( this, PCBNEW_EXE, QuoteFullPath( kicad_board ) );
+    else
+        ExecuteFile( this, PCBNEW_EXE, QuoteFullPath( legacy_board ) );
 }
 
 

kicad/tree_project_frame.cpp

@@ -45,8 +45,6 @@
 #include <wx/imaglist.h>
 #include <menus_helpers.h>
 
-// TODO: use the wxString defined in wildcards_and_files_ext.h, when exists
-const wxString PcbSexpFileExtension( wxT("kicad_brd") );
 
 /* Note about the tree project build process:
  * Building the tree project can be *very* long if there are a lot of subdirectories
@@ -419,11 +417,11 @@ wxString TREE_PROJECT_FRAME::GetFileExt( TreeFileType type )
         break;
 
     case TREE_LEGACY_PCB:
-        ext = PcbFileExtension;
+        ext = LegacyPcbFileExtension;
         break;
 
     case TREE_SEXP_PCB:
-        ext = PcbSexpFileExtension;
+        ext = KiCadPcbFileExtension;
         break;
 
     case TREE_GERBER:

pcbnew/files.cpp

@@ -188,8 +188,8 @@ the changes?" ) ) )
         IO_MGR::PCB_FILE_T  pluginType;
     } loaders[] =
     {
-        { LegacyPcbFileWildcard,    IO_MGR::LEGACY },
         { PcbFileWildcard,          IO_MGR::KICAD },
+        { LegacyPcbFileWildcard,    IO_MGR::LEGACY },
         { EaglePcbFileWildcard,     IO_MGR::EAGLE },
     };
 
@@ -405,31 +405,41 @@ bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool aCreateBackupF
     wxString    upperTxt;
     wxString    lowerTxt;
     wxString    msg;
-    wxString    wildcard;
-
-    int         wildcardIndex = 0;
     bool        saveok = true;
 
-    wildcard << wxGetTranslation( LegacyPcbFileWildcard ) << wxChar( '|' ) <<
-                wxGetTranslation( PcbFileWildcard );
+    IO_MGR::PCB_FILE_T pluginType;
 
     if( aFileName == wxEmptyString )
     {
+        wxString    wildcard;
+        wildcard << wxGetTranslation( PcbFileWildcard ) << wxChar( '|' ) <<
+                    wxGetTranslation( LegacyPcbFileWildcard );
+
         wxFileDialog dlg( this, _( "Save Board File" ), wxEmptyString, GetBoard()->GetFileName(),
                           wildcard, wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
 
         if( dlg.ShowModal() != wxID_OK )
             return false;
 
-        GetBoard()->SetFileName( dlg.GetPath() );
-        wildcardIndex = dlg.GetFilterIndex();         // Legacy or s-expression file format.
+        pluginType = ( dlg.GetFilterIndex() == 1 ) ? IO_MGR::LEGACY : IO_MGR::KICAD;
+
+        pcbFileName = dlg.GetPath();
+
+        // enforce file extension, must match plugin's policy.
+        pcbFileName.SetExt( IO_MGR::GetFileExtension( pluginType ) );
     }
     else
     {
-        GetBoard()->SetFileName( aFileName );
-    }
+        pcbFileName = aFileName;
 
-    IO_MGR::PCB_FILE_T pluginType = ( wildcardIndex == 0 ) ? IO_MGR::LEGACY : IO_MGR::KICAD;
+        if( pcbFileName.GetExt() == LegacyPcbFileExtension )
+            pluginType = IO_MGR::LEGACY;
+        else
+        {
+            pluginType = IO_MGR::KICAD;
+            pcbFileName.SetExt( KiCadPcbFileExtension );
+        }
+    }
 
     // If changes are made, update the board date
     if( GetScreen()->IsModify() )
@@ -440,11 +450,6 @@ bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool aCreateBackupF
         SetTitleBlock( tb );
     }
 
-    pcbFileName = GetBoard()->GetFileName();
-
-    if( pcbFileName.GetExt().IsEmpty() )
-        pcbFileName.SetExt( IO_MGR::GetFileExtension( pluginType ) );
-
     if( !IsWritable( pcbFileName ) )
         return false;
 
@@ -462,7 +467,7 @@ bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool aCreateBackupF
             if( backupFileName.FileExists() )
                 wxRemoveFile( backupFileName.GetFullPath() );
 
-            // Rename the "old" file" from xxx.brd to xxx.000
+            // Rename the "old" file" from xxx.kicad_pcb to xxx.000
             if( !wxRenameFile( pcbFileName.GetFullPath(), backupFileName.GetFullPath() ) )
             {
                 msg = _( "Warning: unable to create backup file " ) + backupFileName.GetFullPath();
@@ -495,8 +500,8 @@ bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool aCreateBackupF
                                               GetChars( pcbFileName.GetExt() ) ) );
 
         wxString header = wxString::Format(
-            wxT( "PCBNEW-BOARD Version %d date %s\n\n# Created by Pcbnew%s\n\n" ),
-            LEGACY_BOARD_FILE_VERSION, DateAndTime().GetData(),
+            wxT( "PCBNEW-BOARD Version %d\n# Created by Pcbnew%s\n\n" ),
+            LEGACY_BOARD_FILE_VERSION,
             GetBuildVersion().GetData() );
 
         props["header"] = header;
@@ -515,6 +520,7 @@ bool PCB_EDIT_FRAME::SavePcbFile( const wxString& aFileName, bool aCreateBackupF
     {
         GetBoard()->SetFileName( pcbFileName.GetFullPath() );
         UpdateTitle();
+        UpdateFileHistory( GetBoard()->GetFileName() );
     }
 
     // Display the file names:

pcbnew/kicad_plugin.cpp

@@ -606,7 +606,7 @@ void PCB_IO::format( BOARD* aBoard, int aNestLevel ) const
     for( BOARD_ITEM* item = aBoard->m_Drawings;  item;  item = item->Next() )
         Format( item, aNestLevel );
 
-    m_out->Print( 0, "\n" );
+    if( aBoard->m_Drawings.GetCount() )
         m_out->Print( 0, "\n" );
 
     // Do not save MARKER_PCBs, they can be regenerated easily.
@@ -615,11 +615,12 @@ void PCB_IO::format( BOARD* aBoard, int aNestLevel ) const
     for( TRACK* track = aBoard->m_Track;  track; track = track->Next() )
         Format( track, aNestLevel );
 
+    if( aBoard->m_Track.GetCount() )
+        m_out->Print( 0, "\n" );
+
     /// @todo Add warning here that the old segment filed zones are no longer supported and
     ///       will not be saved.
 
-    m_out->Print( 0, "\n" );
-
     // Save the polygon (which are the newer technology) zones.
     for( int i=0;  i < aBoard->GetAreaCount();  ++i )
         Format( aBoard->GetArea( i ), aNestLevel );

pcbnew/kicad_plugin.h

@@ -73,6 +73,10 @@ public:
 
     const wxString& GetFileExtension() const
     {
+        // Would have used wildcards_and_files_ext.cpp's KiCadPcbFileExtension,
+        // but to be pure, a plugin should not assume that it will always be linked
+        // with the core of the pcbnew code. (Might someday be a DLL/DSO.)  Besides,
+        // file extension policy should be controlled by the plugin.
         static const wxString extension = wxT( "kicad_pcb" );
         return extension;
     }