Add empty eeschema page layout for Eagle schematic import.

Fixes: lp:1729722
* https://bugs.launchpad.net/kicad/+bug/1729722

common/page_layout/page_layout_default_description.cpp

@@ -115,8 +115,7 @@
  *
  */
 
-#include <worksheet.h>      // defaultPageLayout
-
+#include <worksheet.h>
 
 // height of the band reference grid  2.0 mm
 // worksheet frame reference text size 1.3 mm
@@ -124,11 +123,9 @@
 // default line width 0.15 mm
 // frame ref pitch 50 mm
 
-// export defaultPageLayout:
-extern const char   defaultPageLayout[];
-
 // Default page layout (sizes are in mm)
-const char          defaultPageLayout[] = "( page_layout\n"
+extern const char defaultPageLayout[] =
+    "(page_layout\n"
     "(setup (textsize 1.5 1.5) (linewidth 0.15) (textlinewidth 0.15)\n"
     "(left_margin 10)(right_margin 10)(top_margin 10)(bottom_margin 10))\n"
     "(rect (comment \"rect around the title block\") (linewidth 0.15) (start 110 34) (end 2 2) )\n"
@@ -160,5 +157,11 @@ const char          defaultPageLayout[] = "( page_layout\n"
     "(tbtext \"%C3\" (comment \"Comment 3\") (pos 109 32) )\n"
     "(line (start 90 8.5) (end 90 5.5) )\n"
     "(line (start 26 8.5) (end 26 2) )\n"
-                                          ")\n"
-;
+    ")\n";
+
+extern const char emptyPageLayout[] =
+    "(page_layout\n"
+    "(setup (textsize 1.5 1.5)(linewidth 0.15)(textlinewidth 0.15)\n"
+    "(left_margin 10)(right_margin 10)(top_margin 10)(bottom_margin 10))\n"
+    "(line (name segm1:Line) (start 0 0) (end 0 0))\n"
+    ")\n";

common/page_layout/page_layout_reader.cpp

@@ -760,24 +760,38 @@ extern const char defaultPageLayout[];
 
 void WORKSHEET_LAYOUT::SetDefaultLayout()
 {
-    ClearList();
-    PAGE_LAYOUT_READER_PARSER lp_parser( defaultPageLayout, wxT( "default page" ) );
-
-    try
-    {
-        lp_parser.Parse( this );
-    }
-    catch( const IO_ERROR& ioe )
-    {
-        wxLogMessage( ioe.What() );
-    }
+    SetPageLayout( defaultPageLayout, false, wxT( "default page" ) );
 }
 
+// Returns defaultPageLayout as a string;
+wxString WORKSHEET_LAYOUT::DefaultLayout()
+{
+    return wxString(defaultPageLayout);
+}
+
+// emptyPageLayout is a "empty" page layout description
+// there is a 0 length line to fool something somewhere.
+// using the S expr.
+// see page_layout_empty_description.cpp
+extern const char emptyPageLayout[];
+
+void WORKSHEET_LAYOUT::SetEmptyLayout()
+{
+    SetPageLayout( emptyPageLayout, false, wxT( "empty page" ) );
+}
+
+// Returns emptyPageLayout as a string;
+wxString WORKSHEET_LAYOUT::EmptyLayout()
+{
+    return wxString(emptyPageLayout);
+}
+
+
 /**
  * Populates the list from a S expr description stored in a string
  * @param aPageLayout = the S expr string
  */
-void WORKSHEET_LAYOUT::SetPageLayout( const char* aPageLayout, bool Append )
+void WORKSHEET_LAYOUT::SetPageLayout( const char* aPageLayout, bool Append, const wxString& aSource )
 {
     if( ! Append )
         ClearList();
@@ -859,4 +873,3 @@ void WORKSHEET_LAYOUT::SetPageLayout( const wxString& aFullFileName, bool Append
 
     delete[] buffer;
 }
-

eeschema/sch_eagle_plugin.cpp

@@ -30,6 +30,7 @@
 #include <sch_junction.h>
 #include <sch_sheet.h>
 #include <sch_edit_frame.h>
+#include <worksheet_shape_builder.h>
 #include <template_fieldnames.h>
 #include <wildcards_and_files_ext.h>
 #include <sch_screen.h>
@@ -424,6 +425,21 @@ SCH_SHEET* SCH_EAGLE_PLUGIN::Load( const wxString& aFileName, KIWAY* aKiway,
 
     m_pi->SaveLibrary( getLibFileName().GetFullPath() );
 
+    WORKSHEET_LAYOUT& pglayout = WORKSHEET_LAYOUT::GetTheInstance();
+    pglayout.SetEmptyLayout(  );
+
+    wxFileName layoutfn( m_kiway->Prj().GetProjectPath(), "empty.kicad_wks");
+    wxFile layoutfile;
+    if( layoutfile.Create( layoutfn.GetFullPath() ) ) {
+        layoutfile.Write( WORKSHEET_LAYOUT::EmptyLayout() );
+        layoutfile.Close();
+    }
+
+    BASE_SCREEN::m_PageLayoutDescrFileName = "empty.kicad_wks";
+
+    SCH_EDIT_FRAME* editor = (SCH_EDIT_FRAME*) m_kiway->Player( FRAME_SCH, true );
+    editor->SaveProjectSettings( false );
+
     return m_rootSheet;
 }
 

include/worksheet_shape_builder.h

@@ -717,6 +717,21 @@ public:
      */
     void SetDefaultLayout();
 
+    /**
+     * Fills the list with an empty layout shape
+     */
+    void SetEmptyLayout();
+
+    /**
+     * Returns a string containing the empty layout shape
+     */
+    static wxString EmptyLayout();
+
+    /**
+     * Returns a string containing the empty layout shape
+     */
+    static wxString DefaultLayout();
+
     /**
      * Populates the list with a custom layout, or
      * the default layout, if no custom layout available
@@ -732,10 +747,12 @@ public:
     /**
      * Populates the list from a S expr description stored in a string
      * @param aPageLayout = the S expr string
-     * @param Append Do not delete old layout if true and append \a aPageLayout
+     * @param aAppend Do not delete old layout if true and append \a aPageLayout
      *               the existing one.
+       @param aSource is the layout source description.
      */
-    void SetPageLayout( const char* aPageLayout, bool Append = false );
+    void SetPageLayout( const char* aPageLayout, bool aAppend = false,
+            const wxString& aSource = wxT( "Sexpr_string" )  );
 
     /**
      * @return a short filename  from a full filename: