Remove class RETAINED_PATH, put is main member function into SEARCH_STACK.

Change class PROJECT to use a generalized wxString in place of the
RETAINED_PATH items, so that new session and project specific strings
of any purpose can be saved there, for the life of a session.

TODO.txt

@@ -69,5 +69,9 @@ Dick's Final TODO List:
     https://blueprints.launchpad.net/kicad/+spec/modular-kicad
 
     Issues as a result of minimal testing:
-        If eeschema launched from C++ project manager and does not find all libraries,
+    *   If eeschema launched from C++ project manager and does not find all libraries,
         then the dialog showing the names of missing libraries is shown twice.
+
+    *   Clear all/some? retained strings on project change.
+    *   Clear the FP_LIB_TABLE when the last KIWAY_PLAYER using it is closed.
+

common/project.cpp

@@ -133,17 +133,32 @@ const wxString PROJECT::FootprintLibTblName() const
 }
 
 
-RETAINED_PATH& PROJECT::RPath( RETPATH_T aIndex )
+void PROJECT::SetRString( RSTRING_T aIndex, const wxString& aString )
 {
     unsigned ndx = unsigned( aIndex );
 
-    if( ndx < DIM( m_rpaths ) )
+    if( ndx < DIM( m_rstrings ) )
     {
-        return m_rpaths[ndx];
+        m_rstrings[ndx] = aString;
     }
     else
     {
-        static RETAINED_PATH no_cookie_for_you;
+        wxASSERT( 0 );      // bad index
+    }
+}
+
+
+const wxString& PROJECT::GetRString( RSTRING_T aIndex )
+{
+    unsigned ndx = unsigned( aIndex );
+
+    if( ndx < DIM( m_rstrings ) )
+    {
+        return m_rstrings[ndx];
+    }
+    else
+    {
+        static wxString no_cookie_for_you;
 
         wxASSERT( 0 );      // bad index
 

common/search_stack.cpp

@@ -104,42 +104,33 @@ void SEARCH_STACK::AddPaths( const wxString& aPaths, int aIndex )
 }
 
 
-void RETAINED_PATH::Clear()
+const wxString SEARCH_STACK::LastVisitedPath( const wxString& aSubPathToSearch )
 {
-    m_retained_path.Clear();
-}
-
-
-wxString RETAINED_PATH::LastVisitedPath( const SEARCH_STACK& aSStack, const wxString& aSubPathToSearch )
-{
-    if( !!m_retained_path )
-        return m_retained_path;
-
     wxString path;
 
     // Initialize default path to the main default lib path
-    // this is the second path in list (the first is the project path)
-    unsigned pcount = aSStack.GetCount();
+    // this is the second path in list (the first is the project path).
+    unsigned pcount = GetCount();
 
     if( pcount )
     {
         unsigned ipath = 0;
 
-        if( aSStack[0] == wxGetCwd() )
+        if( (*this)[0] == wxGetCwd() )
             ipath = 1;
 
         // First choice of path:
         if( ipath < pcount )
-            path = aSStack[ipath];
+            path = (*this)[ipath];
 
-        // Search a sub path matching aSubPathToSearch
-        if( !aSubPathToSearch.IsEmpty() )
+        // Search a sub path matching this SEARCH_PATH
+        if( !IsEmpty() )
         {
             for( ; ipath < pcount; ipath++ )
             {
-                if( aSStack[ipath].Contains( aSubPathToSearch ) )
+                if( (*this)[ipath].Contains( aSubPathToSearch ) )
                 {
-                    path = aSStack[ipath];
+                    path = (*this)[ipath];
                     break;
                 }
             }
@@ -153,12 +144,6 @@ wxString RETAINED_PATH::LastVisitedPath( const SEARCH_STACK& aSStack, const wxSt
 }
 
 
-void RETAINED_PATH::SaveLastVisitedPath( const wxString& aPath )
-{
-    m_retained_path = aPath;
-}
-
-
 #if defined(DEBUG)
 void SEARCH_STACK::Show( const char* aPrefix ) const
 {

eeschema/dialogs/dialog_edit_component_in_lib.cpp

@@ -439,8 +439,11 @@ void DIALOG_EDIT_COMPONENT_IN_LIBRARY::BrowseAndSelectDocFile( wxCommandEvent& e
     PROJECT&        prj = Prj();
     SEARCH_STACK&   search = prj.SchSearchS();
 
-    wxString    docpath = prj.RPath(PROJECT::DOC).LastVisitedPath( search, wxT( "doc" ) );
     wxString    mask = wxT( "*" );
+    wxString    docpath = prj.GetRString( PROJECT::DOC_PATH );
+
+    if( !docpath )
+        docpath = search.LastVisitedPath( wxT( "doc" ) );
 
     wxString    fullFileName = EDA_FileSelector( _( "Doc Files" ),
                                      docpath,
@@ -463,7 +466,7 @@ void DIALOG_EDIT_COMPONENT_IN_LIBRARY::BrowseAndSelectDocFile( wxCommandEvent& e
      */
     wxFileName fn = fullFileName;
 
-    prj.RPath(PROJECT::DOC).SaveLastVisitedPath( fn.GetPath() );
+    prj.SetRString( PROJECT::DOC_PATH, fn.GetPath() );
 
     wxString filename = search.FilenameWithRelativePathInSearchList( fullFileName );
 

eeschema/dialogs/dialog_eeschema_config.cpp

@@ -321,8 +321,12 @@ void DIALOG_EESCHEMA_CONFIG::OnAddOrInsertLibClick( wxCommandEvent& event )
 
     wxString libpath = m_DefaultLibraryPathslistBox->GetStringSelection();
 
-    if( libpath.IsEmpty() )
-        libpath = prj.RPath(PROJECT::SCH_LIB).LastVisitedPath( search );
+    if( !libpath )
+    {
+        libpath = prj.GetRString( PROJECT::SCH_LIB_PATH );
+        if( !libpath )
+            libpath = search.LastVisitedPath();
+    }
 
     wxFileDialog filesDialog( this, _( "Library files:" ), libpath,
                               wxEmptyString, SchematicLibraryFileWildcard,
@@ -340,7 +344,7 @@ void DIALOG_EESCHEMA_CONFIG::OnAddOrInsertLibClick( wxCommandEvent& event )
         fn = filenames[jj];
 
         if( jj == 0 )
-            prj.RPath(PROJECT::SCH_LIB).SaveLastVisitedPath( fn.GetPath() );
+            prj.SetRString( PROJECT::SCH_LIB_PATH, fn.GetPath() );
 
         /* If the library path is already in the library search paths
          * list, just add the library name to the list.  Otherwise, add
@@ -376,12 +380,14 @@ void DIALOG_EESCHEMA_CONFIG::OnAddOrInsertLibClick( wxCommandEvent& event )
 }
 
 
-
 void DIALOG_EESCHEMA_CONFIG::OnAddOrInsertPath( wxCommandEvent& event )
 {
     PROJECT&        prj = Prj();
     SEARCH_STACK&   search = Prj().SchSearchS();
-    wxString        path = prj.RPath(PROJECT::SCH_LIB).LastVisitedPath( search );
+    wxString        path = prj.GetRString( PROJECT::SCH_LIB_PATH );
+
+    if( !path )
+        path = search.LastVisitedPath();
 
     bool select = EDA_DirectorySelector( _( "Default Path for Libraries" ),
                                          path, wxDD_DEFAULT_STYLE,
@@ -439,7 +445,7 @@ void DIALOG_EESCHEMA_CONFIG::OnAddOrInsertPath( wxCommandEvent& event )
         DisplayError( this, _("Path already in use") );
     }
 
-    prj.RPath(PROJECT::SCH_LIB).SaveLastVisitedPath( path );
+    prj.SetRString( PROJECT::SCH_LIB_PATH, path );
 }
 
 

eeschema/libedit.cpp

@@ -308,7 +308,7 @@ bool LIB_EDIT_FRAME::SaveActiveLibrary( bool newFile )
 
     m_canvas->EndMouseCapture( ID_NO_TOOL_SELECTED, m_canvas->GetDefaultCursor() );
 
-    if( m_library == NULL )
+    if( !m_library )
     {
         DisplayError( this, _( "No library specified." ) );
         return false;
@@ -326,7 +326,9 @@ bool LIB_EDIT_FRAME::SaveActiveLibrary( bool newFile )
         SEARCH_STACK&   search = prj.SchSearchS();
 
         // Get a new name for the library
-        wxString default_path = prj.RPath(PROJECT::SCH_LIB).LastVisitedPath( search );
+        wxString default_path = prj.GetRString( PROJECT::SCH_LIB_PATH );
+        if( !default_path )
+            default_path = search.LastVisitedPath();
 
         wxFileDialog dlg( this, _( "Component Library Name:" ), default_path,
                           wxEmptyString, SchematicLibraryFileExtension,
@@ -342,7 +344,7 @@ bool LIB_EDIT_FRAME::SaveActiveLibrary( bool newFile )
         if( fn.GetExt().IsEmpty() )
             fn.SetExt( SchematicLibraryFileExtension );
 
-        prj.RPath(PROJECT::SCH_LIB).SaveLastVisitedPath( fn.GetPath() );
+        prj.SetRString( PROJECT::SCH_LIB_PATH, fn.GetPath() );
     }
     else
     {

eeschema/symbedit.cpp

@@ -60,7 +60,9 @@ void LIB_EDIT_FRAME::LoadOneSymbol()
 
     m_canvas->SetIgnoreMouseEvents( true );
 
-    wxString default_path = prj.RPath(PROJECT::SCH_LIB).LastVisitedPath( search );
+    wxString default_path = prj.GetRString( PROJECT::SCH_LIB_PATH );
+    if( !default_path )
+        default_path = search.LastVisitedPath();
 
     wxFileDialog dlg( this, _( "Import Symbol Drawings" ), default_path,
                       wxEmptyString, SchematicSymbolFileWildcard,
@@ -75,7 +77,7 @@ void LIB_EDIT_FRAME::LoadOneSymbol()
 
     wxFileName fn = dlg.GetPath();
 
-    prj.RPath(PROJECT::SCH_LIB).SaveLastVisitedPath( fn.GetPath() );
+    prj.SetRString( PROJECT::SCH_LIB_PATH, fn.GetPath() );
 
     Lib = new CMP_LIBRARY( LIBRARY_TYPE_SYMBOL, fn );
 
@@ -143,7 +145,9 @@ void LIB_EDIT_FRAME::SaveOneSymbol()
     if( m_component->GetDrawItemList().empty() )
         return;
 
-    wxString default_path = prj.RPath(PROJECT::SCH_LIB).LastVisitedPath( search );
+    wxString default_path = prj.GetRString( PROJECT::SCH_LIB_PATH );
+    if( !default_path )
+        default_path = search.LastVisitedPath();
 
     wxFileDialog dlg( this, _( "Export Symbol Drawings" ), default_path,
                       m_component->GetName(), SchematicSymbolFileWildcard,
@@ -159,7 +163,7 @@ void LIB_EDIT_FRAME::SaveOneSymbol()
     if( fn.GetExt().IsEmpty() )
         fn.SetExt( SchematicSymbolFileExtension );
 
-    prj.RPath(PROJECT::SCH_LIB).SaveLastVisitedPath( fn.GetPath() );
+    prj.SetRString( PROJECT::SCH_LIB_PATH, fn.GetPath() );
 
     msg.Printf( _( "Saving symbol in '%s'" ), GetChars( fn.GetPath() ) );
     SetStatusText( msg );

include/project.h

@@ -137,19 +137,32 @@ public:
     VTBL_ENTRY  wxString GetModuleLibraryNickname()     { return m_module_library_nickname; }
     VTBL_ENTRY  void SetModuleLibraryNickname( const wxString& aNickName ) {  m_module_library_nickname = aNickName; }
 
-    /// Retain a number of paths for user convienience, enumerated here:
-    enum RETPATH_T
+    /// Retain a number of project specific wxStrings, enumerated here:
+    enum RSTRING_T
     {
-        DOC,
-        SCH_LIB,
-        PCB_LIB,
-        VIEWER_3D,
+        DOC_PATH,
+        SCH_LIB_PATH,
+        PCB_LIB_NICKNAME,
+        VIEWER_3D_PATH,
 
-        RPATH_COUNT
+        RSTRING_COUNT
     };
 
-    /// Give acess to a RETAINED_PATH using enum RETPATH_T
-    VTBL_ENTRY  RETAINED_PATH& RPath( RETPATH_T aPath );
+    /**
+     * Function GetRString
+     * returns a "retained string", which is any session and project specific string
+     * identified in enum RSTRING_T.  Retained strings are not written to disk, and
+     * are therefore good only for the current session.
+     */
+    VTBL_ENTRY  const wxString& GetRString( RSTRING_T aStringId );
+
+    /**
+     * Function SetRString
+     * stores a "retained string", which is any session and project specific string
+     * identified in enum RSTRING_T.  Retained strings are not written to disk, and
+     * are therefore good only for the current session.
+     */
+    VTBL_ENTRY  void SetRString( RSTRING_T aStringId, const wxString& aString );
 
     /**
      * Enum ELEM_T
@@ -241,8 +254,8 @@ private:
 
     wxString        m_module_library_nickname;  ///< @todo move this into m_rpaths[]
 
-    /// @see this::RPath() and enum RETPATH_T.
-    RETAINED_PATH   m_rpaths[RPATH_COUNT];
+    /// @see this::SetRString(), GetRString(), and enum RSTRING_T.
+    wxString        m_rstrings[RSTRING_COUNT];
 
     /// @see this::Elem() and enum ELEM_T.
     _ELEM*          m_elems[ELEM_COUNT];

include/search_stack.h

@@ -57,38 +57,19 @@ public:
      * ";" on windows, or ":" | ";" on unix.
      */
     void RemovePaths( const wxString& aPaths );
-};
-
-
-/**
- * Class RETAINED_PATH
- * is a glamorous way to save a path you might need in the future.
- * It is simply a container for the two functions, if you can figure them out.
- * This whole concept is awkward, and the two function might have better been
- * non-member functions, simply globals.
- */
-class RETAINED_PATH
-{
-public:
 
     /**
      * Function LastVisitedPath
-     * returns the last visited directory, or aSubPathToSearch is empty, the first
-     * path in lib path list ( but not the CWD ).
+     * is a quirky function inherited from old code that seems to serve particular
+     * needs in the UI.  It returns what is called the last visited directory, or
+     * if aSubPathToSearch is empty, the first path in this SEARCH_STACK
+     * ( but not the CWD ).
+     *
      * @todo add more here if you can figure it out.
      *
-     * @param aSearchStack gives the set of directories to consider.
      * @param aSubPathToSearch is the preferred sub path to search in path list
      */
-    wxString LastVisitedPath( const SEARCH_STACK& aSStack,
-                const wxString& aSubPathToSearch = wxEmptyString );
-
-    void SaveLastVisitedPath( const wxString& aPath );
-
-    void Clear();
-
-private:
-    wxString            m_retained_path;
+    const wxString LastVisitedPath( const wxString& aSubPathToSearch = wxEmptyString );
 };
 
 #endif  // SEARCH_STACK_H_

pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp

@@ -440,7 +440,11 @@ void DIALOG_MODULE_BOARD_EDITOR::Browse3DLib( wxCommandEvent& event )
     }
 
     if( !fullpath )
-        fullpath = prj.RPath(PROJECT::VIEWER_3D).LastVisitedPath( search, LIB3D_PATH );
+    {
+        fullpath = prj.GetRString( PROJECT::VIEWER_3D_PATH );
+        if( !fullpath )
+            fullpath = search.LastVisitedPath( LIB3D_PATH );
+    }
 
 #ifdef __WINDOWS__
     fullpath.Replace( wxT( "/" ), wxT( "\\" ) );
@@ -469,7 +473,7 @@ void DIALOG_MODULE_BOARD_EDITOR::Browse3DLib( wxCommandEvent& event )
 
     wxFileName fn = fullfilename;
 
-    prj.RPath(PROJECT::VIEWER_3D).SaveLastVisitedPath( fn.GetPath() );
+    prj.SetRString( PROJECT::VIEWER_3D_PATH, fn.GetPath() );
 
     /* If the file path is already in the library search paths
      * list, just add the library name to the list.  Otherwise, add

pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp

@@ -303,7 +303,11 @@ void DIALOG_MODULE_MODULE_EDITOR::BrowseAndAdd3DLib( wxCommandEvent& event )
     }
 
     if( !fullpath )
-        fullpath = prj.RPath(PROJECT::VIEWER_3D).LastVisitedPath( search, LIB3D_PATH );
+    {
+        fullpath = prj.GetRString( PROJECT::VIEWER_3D_PATH );
+        if( !fullpath )
+            fullpath = search.LastVisitedPath( LIB3D_PATH );
+    }
 
 #ifdef __WINDOWS__
     fullpath.Replace( wxT( "/" ), wxT( "\\" ) );
@@ -330,7 +334,7 @@ void DIALOG_MODULE_MODULE_EDITOR::BrowseAndAdd3DLib( wxCommandEvent& event )
 
     wxFileName fn = fullfilename;
 
-    prj.RPath(PROJECT::VIEWER_3D).SaveLastVisitedPath( fn.GetPath() );
+    prj.SetRString( PROJECT::VIEWER_3D_PATH, fn.GetPath() );
 
     /* If the file path is already in the library search paths
      * list, just add the library name to the list.  Otherwise, add

pcbnew/librairi.cpp

@@ -522,16 +522,15 @@ void PCB_EDIT_FRAME::ArchiveModulesOnBoard( bool aNewModulesOnly )
     }
 
     PROJECT&        prj = Prj();
-    SEARCH_STACK&   search = Kiface().KifaceSearch();
 
-    wxString last_nickname = prj.RPath(PROJECT::PCB_LIB).LastVisitedPath( search );
+    wxString last_nickname = prj.GetRString( PROJECT::PCB_LIB_NICKNAME );
 
     wxString nickname = SelectLibrary( last_nickname );
 
     if( !nickname )
         return;
 
-    prj.RPath(PROJECT::PCB_LIB).SaveLastVisitedPath( nickname );
+    prj.SetRString( PROJECT::PCB_LIB_NICKNAME, nickname );
 
     if( !aNewModulesOnly )
     {
@@ -545,7 +544,7 @@ void PCB_EDIT_FRAME::ArchiveModulesOnBoard( bool aNewModulesOnly )
 
     try
     {
-        FP_LIB_TABLE* tbl = Prj().PcbFootprintLibs();
+        FP_LIB_TABLE* tbl = prj.PcbFootprintLibs();
 
         // Delete old library if we're replacing it entirely.
         if( !aNewModulesOnly )