Cvpcb: Reload footprint libraries in CVPCB

CHANGED: Reload footprint libraries in CVPCB when footprint library table(fp-lib-table) is updated

cvpcb/cvpcb_mainframe.cpp

@@ -1040,6 +1040,7 @@ void CVPCB_MAINFRAME::BuildLibrariesListBox()
     FP_LIB_TABLE*      tbl = Prj().PcbFootprintLibs();
     std::set<wxString> pinnedMatches;
     std::set<wxString> otherMatches;
+    m_librariesListBox->ClearList();
 
     auto process =
             [&]( const wxString& aNickname )
@@ -1247,7 +1248,13 @@ void CVPCB_MAINFRAME::KiwayMailIn( KIWAY_EXPRESS& mail )
         Go into SCH_EDIT_FRAME::OnOpenCvpcb( wxCommandEvent& event ) and trim GNL_ALL down.
         */
         break;
-
+    case MAIL_RELOAD_LIB:
+        m_cannotClose = true;
+        LoadFootprintFiles();
+        BuildFootprintsListBox();
+        BuildLibrariesListBox();
+        m_cannotClose = false;
+        break;
     default:
         ;       // ignore most
     }

cvpcb/library_listbox.cpp

@@ -129,6 +129,10 @@ void LIBRARY_LISTBOX::Finish()
     }
 }
 
+void LIBRARY_LISTBOX::ClearList()
+{
+    m_libraryList.clear();
+}
 
 BEGIN_EVENT_TABLE( LIBRARY_LISTBOX, ITEMS_LISTBOX_BASE )
     EVT_CHAR( LIBRARY_LISTBOX::OnChar )

cvpcb/listboxes.h

@@ -150,6 +150,7 @@ public:
     void     SetString( unsigned linecount, const wxString& text );
     void     AppendLine( const wxString& text );
     void     Finish();
+    void     ClearList();
 
     wxString GetSelectedLibrary();
     wxString OnGetItemText( long item, long column ) const override;

include/mail_type.h

@@ -51,7 +51,8 @@ enum MAIL_T
     MAIL_PCB_UPDATE_LINKS,         // Update the schematic symbol paths in the PCB's footprints
     MAIL_SCH_REFRESH,              // Tell the schematic editor to refresh the display.
     MAIL_LIB_EDIT,
-    MAIL_FP_EDIT
+    MAIL_FP_EDIT,
+    MAIL_RELOAD_LIB                //Reload Library List if one was added
 };
 
 #endif  // MAIL_TYPE_H_

pcbnew/dialogs/panel_fp_lib_table.cpp

@@ -58,6 +58,7 @@
 #include <footprint_viewer_frame.h>
 #include <footprint_edit_frame.h>
 #include <kiway.h>
+#include <kiway_express.h>
 #include <widgets/grid_readonly_text_helpers.h>
 #include <widgets/grid_text_button_helpers.h>
 #include <pcbnew_id.h>          // For ID_PCBNEW_END_LIST
@@ -1136,4 +1137,7 @@ void InvokePcbLibTableEditor( KIWAY* aKiway, wxWindow* aCaller )
 
     if( viewer )
         viewer->ReCreateLibraryList();
+
+    std::string payload = "";
+    aKiway->ExpressMail( FRAME_CVPCB, MAIL_RELOAD_LIB, payload );
 }