Don't show hidden directories and files in the project tree browser

Fixes https://gitlab.com/kicad/code/kicad/-/issues/16207

kicad/project_tree_pane.cpp

@@ -78,6 +78,8 @@
 #include "project_tree_pane.h"
 #include <widgets/kistatusbar.h>
 
+#include <kiplatform/io.h>
+
 
 /* Note about the project tree build process:
  * Building the project tree can be *very* long if there are a lot of subdirectories in the
@@ -392,12 +394,8 @@ wxTreeItemId PROJECT_TREE_PANE::addItemToProjectTree( const wxString& aName,
     TREE_FILE_TYPE type = TREE_FILE_TYPE::UNKNOWN;
     wxFileName     fn( aName );
 
-#ifndef __WXMSW__
-    // Files/dirs names starting by "." are not visible files under unices (including MacOS),
-    // but are under MSW.
-    if( fn.GetName().StartsWith( wxT( "." ) ) )
+    if( KIPLATFORM::IO::IsFileHidden( aName ) )
         return wxTreeItemId();
-#endif
 
     if( wxDirExists( aName ) )
     {

libs/kiplatform/gtk/io.cpp

@@ -21,6 +21,7 @@
 
 #include <wx/crt.h>
 #include <wx/string.h>
+#include <wx/filename.h>
 
 #include <fcntl.h>
 #include <sys/stat.h>
@@ -58,3 +59,10 @@ bool KIPLATFORM::IO::DuplicatePermissions( const wxString &aSrc, const wxString
         return false;
     }
 }
+
+bool KIPLATFORM::IO::IsFileHidden( const wxString& aFileName )
+{
+    wxFileName fn( aFileName );
+
+    return fn.GetName().StartsWith( wxT( "." ) );
+}

libs/kiplatform/include/kiplatform/io.h

@@ -44,6 +44,12 @@ namespace IO
      * @return true if the process was successful
      */
     bool DuplicatePermissions( const wxString& aSrc, const wxString& aDest );
+
+    /**
+    * Helper function to determine the status of the 'Hidden' file attribute.
+    * @return true if the file attribut is set.
+    */
+    bool IsFileHidden( const wxString& aFileName );
 } // namespace IO
 } // namespace KIPLATFORM
 

libs/kiplatform/msw/io.cpp

@@ -114,3 +114,13 @@ bool KIPLATFORM::IO::DuplicatePermissions( const wxString &aSrc, const wxString
 
     return retval;
 }
+
+bool KIPLATFORM::IO::IsFileHidden( const wxString& aFileName )
+{
+    bool result = false;
+
+    if( ( GetFileAttributesW( aFileName.fn_str() ) & FILE_ATTRIBUTE_HIDDEN ) )
+        result = true;
+
+    return result;
+}

libs/kiplatform/osx/io.mm

@@ -23,6 +23,7 @@
 
 #include <wx/crt.h>
 #include <wx/string.h>
+#include <wx/filename.h>
 
 FILE* KIPLATFORM::IO::SeqFOpen( const wxString& aPath, const wxString& aMode )
 {
@@ -63,3 +64,10 @@ bool KIPLATFORM::IO::DuplicatePermissions(const wxString& sourceFilePath, const
         return false;
     }
 }
+
+bool KIPLATFORM::IO::IsFileHidden( const wxString& aFileName )
+{
+    wxFileName fn( aFileName );
+
+    return fn.GetName().StartsWith( wxT( "." ) );
+}