Add environment variable configuration dialog to Eeschema.

Fixes lp:1739910

https://bugs.launchpad.net/kicad/+bug/1739910

eeschema/menubar.cpp

@@ -646,6 +646,13 @@ static void preparePreferencesMenu( SCH_EDIT_FRAME* aFrame, wxMenu* aParentMenu
                  KiBitmap( preference_xpm ) );
 #endif // __WXMAC__
 
+    // Path configuration edit dialog.
+    AddMenuItem( aParentMenu,
+                 ID_PREFERENCES_CONFIGURE_PATHS,
+                 _( "Configure &Paths" ),
+                 _( "Edit path configuration environment variables" ),
+                 KiBitmap( editor_xpm ) );
+
     // Language submenu
     aParentMenu->AppendSeparator();
     Pgm().AddMenuLanguageList( aParentMenu );

eeschema/schframe.cpp

@@ -246,6 +246,7 @@ BEGIN_EVENT_TABLE( SCH_EDIT_FRAME, EDA_DRAW_FRAME )
                     SCH_EDIT_FRAME::Process_Config )
 
     EVT_TOOL( wxID_PREFERENCES, SCH_EDIT_FRAME::OnPreferencesOptions )
+    EVT_MENU( ID_PREFERENCES_CONFIGURE_PATHS, SCH_EDIT_FRAME::OnConfigurePaths )
 
     EVT_TOOL( ID_RUN_LIBRARY, SCH_EDIT_FRAME::OnOpenLibraryEditor )
     EVT_TOOL( ID_POPUP_SCH_CALL_LIBEDIT_AND_LOAD_CMP, SCH_EDIT_FRAME::OnOpenLibraryEditor )
@@ -1491,3 +1492,9 @@ void SCH_EDIT_FRAME::UpdateTitle()
 
     SetTitle( title );
 }
+
+
+void SCH_EDIT_FRAME::OnConfigurePaths( wxCommandEvent& aEvent )
+{
+    Pgm().ConfigurePaths( this );
+}

eeschema/schframe.h

@@ -27,8 +27,8 @@
  * @file schframe.h
  */
 
-#ifndef  WX_EESCHEMA_STRUCT_H
-#define  WX_EESCHEMA_STRUCT_H
+#ifndef  _SCHFRAME_H_
+#define  _SCHFRAME_H_
 
 #include <sch_base_frame.h>
 #include <config_params.h>
@@ -885,11 +885,13 @@ private:
     void OnOpenLibraryEditor( wxCommandEvent& event );
     void OnRescueProject( wxCommandEvent& event );
     void OnRemapSymbols( wxCommandEvent& aEvent );
+
     // a helper function to run the dialog that allows to rename the symbol library Id of
     // groups of components, for instance after a symbol has moved from a library to
     // an other library
     void OnEditComponentSymbolsId( wxCommandEvent& aEvent );
     void OnPreferencesOptions( wxCommandEvent& event );
+    void OnConfigurePaths( wxCommandEvent& aEvent );
     void OnCancelCurrentCommand( wxCommandEvent& aEvent );
 
     void OnSelectItem( wxCommandEvent& aEvent );
@@ -1474,4 +1476,4 @@ public:
 };
 
 
-#endif  // WX_EESCHEMA_STRUCT_H
+#endif  // _SCHFRAME_H_