Move env var substitution into GetAssociatedDocument

We always want the documents to have their variables replaced when
opening the associated file.

Fixes: lp:1819309
* https://bugs.launchpad.net/kicad/+bug/1819309

common/eda_doc.cpp

@@ -2,7 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
- * Copyright (C) 2014-2017 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2014-2019 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -103,18 +103,19 @@ bool GetAssociatedDocument( wxWindow* aParent,
         wxT( "file:" )
     };
 
+    // Replace before resolving as we might have a URL in a variable
+    docname = ResolveUriByEnvVars( aDocName );
+
     for( unsigned ii = 0; ii < arrayDim(url_header); ii++ )
     {
-        if( aDocName.First( url_header[ii] ) == 0 )   // looks like an internet url
+        if( docname.First( url_header[ii] ) == 0 )   // looks like an internet url
         {
-            wxURI uri( aDocName );
+            wxURI uri( docname );
             wxLaunchDefaultBrowser( uri.BuildURI() );
             return true;
         }
     }
 
-    docname = aDocName;
-
 #ifdef __WINDOWS__
     docname.Replace( UNIX_STRING_DIR_SEP, WIN_STRING_DIR_SEP );
 #else
@@ -123,17 +124,17 @@ bool GetAssociatedDocument( wxWindow* aParent,
 
 
     /* Compute the full file name */
-    if( wxIsAbsolutePath( aDocName ) || aPaths == NULL)
-        fullfilename = aDocName;
+    if( wxIsAbsolutePath( docname ) || aPaths == NULL)
+        fullfilename = docname;
     /* If the file exists, this is a trivial case: return the filename
      * "as this".  the name can be an absolute path, or a relative path
      * like ./filename or ../<filename>
      */
-    else if( wxFileName::FileExists( aDocName ) )
-        fullfilename = aDocName;
+    else if( wxFileName::FileExists( docname ) )
+        fullfilename = docname;
     else
     {
-        fullfilename = aPaths->FindValidPath( aDocName );
+        fullfilename = aPaths->FindValidPath( docname );
     }
 
     wxString mask( wxT( "*" ) ), extension;
@@ -160,7 +161,7 @@ bool GetAssociatedDocument( wxWindow* aParent,
 
     if( !wxFileExists( fullfilename ) )
     {
-        msg.Printf( _( "Doc File \"%s\" not found" ), GetChars( aDocName ) );
+        msg.Printf( _( "Doc File \"%s\" not found" ), GetChars( docname ) );
         DisplayError( aParent, msg );
         return false;
     }

common/widgets/grid_text_button_helpers.cpp

@@ -279,10 +279,7 @@ protected:
         wxString filename = GetValue();
 
         if( !filename.IsEmpty() && filename != wxT( "~" ) )
-        {
-            wxString uri = ResolveUriByEnvVars( GetValue() );
-            GetAssociatedDocument( m_dlg, uri );
-        }
+            GetAssociatedDocument( m_dlg, GetValue() );
     }
 
     DIALOG_SHIM* m_dlg;

eeschema/dialogs/dialog_fields_editor_global.cpp

@@ -95,7 +95,6 @@ protected:
         else if (event.GetId() == MYID_SHOW_DATASHEET )
         {
             wxString datasheet_uri = m_grid->GetCellValue( m_grid->GetGridCursorRow(), DATASHEET );
-            datasheet_uri = ResolveUriByEnvVars( datasheet_uri );
             GetAssociatedDocument( m_dlg, datasheet_uri );
         }
         else

eeschema/fields_grid_table.cpp

@@ -522,7 +522,6 @@ void FIELDS_GRID_TRICKS::doPopupSelection( wxCommandEvent& event )
     else if (event.GetId() == MYID_SHOW_DATASHEET )
     {
         wxString datasheet_uri = m_grid->GetCellValue( DATASHEET, FDC_VALUE );
-        datasheet_uri = ResolveUriByEnvVars( datasheet_uri );
         GetAssociatedDocument( m_dlg, datasheet_uri );
     }
     else

eeschema/libedit/lib_edit_frame.cpp

@@ -617,8 +617,6 @@ void LIB_EDIT_FRAME::OnViewEntryDoc( wxCommandEvent& event )
     else
         filename = part->GetAlias( 0 )->GetDocFileName();
 
-    filename = ResolveUriByEnvVars( filename );
-
     if( !filename.IsEmpty() && filename != wxT( "~" ) )
     {
         SEARCH_STACK* lib_search = Prj().SchSearchS();

eeschema/schedit.cpp

@@ -1033,7 +1033,6 @@ void SCH_EDIT_FRAME::OnEditItem( wxCommandEvent& aEvent )
         case ID_POPUP_SCH_DISPLAYDOC_CMP:
         {
             wxString text = static_cast<SCH_COMPONENT*>( item )->GetField( DATASHEET )->GetText();
-            text = ResolveUriByEnvVars( text );
 
             if( !text.IsEmpty() )
                 GetAssociatedDocument( this, text );

include/eda_doc.h

@@ -2,7 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2009-2014 Jerry Jacobs
- * Copyright (C) 1992-2014 KiCad Developers, see CHANGELOG.TXT for contributors.
+ * Copyright (C) 1992-2019 KiCad Developers, see CHANGELOG.TXT for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -42,7 +42,8 @@ bool KeywordMatch( const wxString& aKeys, const wxString& aDatabase );
 
 /**
  * Function GetAssociatedDocument
- * open a document (file) with the suitable browser
+ * open a document (file) with the suitable browser.  Environmental variables are
+ * substituted before the document name is resolved for either browser or file
  * @param aParent = main frame
  * @param aDocName = filename of file to open (Full filename or short filename)
  * if \a aDocName begins with http: or ftp: or www. the default internet browser is launched