Add "create a new directory" checkbox to the Create Project dialog

Fixes: lp:1753325
* https://bugs.launchpad.net/kicad/+bug/1753325

kicad/prjconfig.cpp

@@ -184,12 +184,47 @@ void KICAD_MANAGER_FRAME::OnLoadProject( wxCommandEvent& event )
 }
 
 
+///> Helper widget to select whether a new directory should be created for a project
+class DIR_CHECKBOX : public wxPanel
+{
+public:
+    DIR_CHECKBOX( wxWindow* aParent )
+        : wxPanel( aParent )
+    {
+        m_cbCreateDir = new wxCheckBox( aParent, wxID_ANY,
+                _( "Create a new directory for the project" ) );
+        m_cbCreateDir->SetValue( true );
+
+        wxBoxSizer* sizer = new wxBoxSizer( wxHORIZONTAL );
+        sizer->Add( m_cbCreateDir );
+
+        SetSizerAndFit( sizer );
+    }
+
+    bool CreateNewDir() const
+    {
+        return m_cbCreateDir->GetValue();
+    }
+
+    static wxWindow* Create( wxWindow* aParent )
+    {
+        return new DIR_CHECKBOX( aParent );
+    }
+
+protected:
+    wxCheckBox* m_cbCreateDir;
+};
+
+
 void KICAD_MANAGER_FRAME::OnNewProject( wxCommandEvent& aEvent )
 {
     wxString        default_dir = GetMruPath();
     wxFileDialog    dlg( this, _( "Create New Project" ), default_dir, wxEmptyString,
                          ProjectFileWildcard(), wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
 
+    // Add a "Create a new directory" checkbox
+    dlg.SetExtraControlCreator( &DIR_CHECKBOX::Create );
+
     if( dlg.ShowModal() == wxID_CANCEL )
         return;
 
@@ -200,7 +235,8 @@ void KICAD_MANAGER_FRAME::OnNewProject( wxCommandEvent& aEvent )
         pro.MakeAbsolute();
 
     // Append a new directory with the same name of the project file.
-    pro.AppendDir( pro.GetName() );
+    if( static_cast<DIR_CHECKBOX*>( dlg.GetExtraControl() )->CreateNewDir() )
+        pro.AppendDir( pro.GetName() );
 
     // Check if the project directory is empty if it already exists.
     wxDir directory( pro.GetPath() );